OSDN Git Service

Change l7vsadm -V format(sorryserver forward mode)
[ultramonkey-l7/ultramonkey-l7-v3.git] / l7vsd / src / l7vsadm.cpp
index e837006..5593c62 100644 (file)
@@ -1,6 +1,6 @@
 /*!
- *     @file   l7vsadm.cpp
- *     @brief  l7vsadm command is l7vsd control application
+ * @file  l7vsadm.cpp
+ * @brief l7vsadm command is l7vsd control application
  *
  * L7VSD: Linux Virtual Server for Layer7 Load Balancing
  * Copyright (C) 2009  NTT COMWARE Corporation.
@@ -25,6 +25,7 @@
 #include <iostream>
 #include <sstream>
 #include <exception>
+#include <csignal>
 #include <boost/bind.hpp>
 #include <boost/archive/text_oarchive.hpp>
 #include <boost/archive/text_iarchive.hpp>
 #include "parameter.h"
 #include "protocol_module_control.h"
 #include "schedule_module_control.h"
+#include "virtualservice_element.h"
+#include "logger_access_manager.h"
+
+#define VS_CONTACT_CLASS_SSL (0x00000001)
 
 // global function prototype
-static void    sig_exit_handler(int sig);
-static int     set_sighandler(int sig, void (*handler)(int));
-static int     set_sighandlers();
+static void sig_exit_handler(int sig);
+static int  set_sighandler(int sig, void (*handler)(int));
+static int  set_sighandlers();
 
 // global variables
-static bool    signal_flag = false;
-static int     received_sig = 0;
+static bool signal_flag = false;
+static int  received_sig = 0;
 
 //
 // command functions.
 //
 //! list command parsing.
-//! @param[in] request command
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_list_func( l7vs::l7vsadm_request::COMMAND_CODE_TAG cmd, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 1, "l7vsadm::parse_list_func", __FILE__, __LINE__ );
-
-       request.command = cmd;  // set command
-       if( argc < 3 ) return true;     // option is none. this pattern is true
-       for( int pos = 2; pos < argc; ++pos ){  //search option function from argv strings
-               parse_opt_map_type::iterator itr = list_option_dic.find( argv[pos] );
-               if( itr != list_option_dic.end() ){     // option string function find.
-                       if( ! itr->second( pos, argc, argv ) ) return false;    // option string function error.
-               }
-               else{   //option string function don't find.
-                       // print option not found message.
-                       std::stringstream buf;
-                       buf << "list option not found:" << argv[pos];
-                       l7vsadm_err.setter( true, buf.str() );
-                       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 1, buf.str(), __FILE__, __LINE__ );
-                       return false;
-               }
-       }
-       return true;
+//! @param[in] request command
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_list_func(l7vs::l7vsadm_request::COMMAND_CODE_TAG cmd, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 1, "l7vsadm::parse_list_func", __FILE__, __LINE__);
+
+        request.command = cmd; // set command
+        if (argc < 3) {
+                return true; // option is none. this pattern is true
+        }
+        else if (argc > 3) {
+                std::stringstream buf;
+                buf << "Argument argc is illegal for " << argv[1] << " command.";
+                l7vsadm_err.setter(true, buf.str());
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 117, buf.str(), __FILE__, __LINE__);
+                return false;
+        }
+
+        for (int pos = 2; pos < argc; ++pos) { //search option function from argv strings
+                parse_opt_map_type::iterator itr = list_option_dic.find(argv[pos]);
+                if (itr != list_option_dic.end()) { // option string function find.
+                        if (! itr->second(pos, argc, argv)) {
+                                return false; // option string function error.
+                        }
+                } else { //option string function not found.
+                        // print option not found message.
+                        std::stringstream buf;
+                        buf << "list option not found: " << argv[pos];
+                        l7vsadm_err.setter(true, buf.str());
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 1, buf.str(), __FILE__, __LINE__);
+                        return false;
+                }
+        }
+        return true;
 }
 //
 // option list functions.
 //
 //! list numeric flag check.
-//! @param[in] argument position
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_opt_list_numeric_func( int& pos, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 2, "l7vsadm::parse_opt_list_numeric_func", __FILE__, __LINE__ );
-
-       numeric_flag = true;    //numeric flag on.
-       return true;
+//! @param[in] argument position
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_opt_list_numeric_func(int &pos, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 2, "l7vsadm::parse_opt_list_numeric_func", __FILE__, __LINE__);
+
+        numeric_flag = true; //numeric flag on.
+        return true;
 }
 
 //! virtualservice command parsing.
-//! @param[in] request command
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_vs_func( l7vs::l7vsadm_request::COMMAND_CODE_TAG cmd, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 3, "l7vsadm::parse_vs_func", __FILE__, __LINE__ );
-
-       request.command = cmd;  // set command
-       for( int pos = 2; pos < argc; ++pos ){  // check options.
-               parse_opt_map_type::iterator itr = vs_option_dic.find( argv[pos] );
-               if( itr != vs_option_dic.end() ){       // find option
-                       if( ! itr->second( pos, argc, argv ) ) return false;    // option function execute.
-               }
-               else{   // don't find option function.
-                       std::stringstream buf;
-                       buf << "virtualservice option not found:" << argv[pos];
-                       l7vsadm_err.setter( true, buf.str() );
-                       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 2, buf.str(), __FILE__, __LINE__ );
-                       return false;
-               }
-       }
-       // check virtualservice on response
-       //
-       if( l7vsadm_request::CMD_FLUSH_VS == cmd ){
-               // flushvs required no option
-               return true;
-       }
-       if( ( l7vsadm_request::CMD_ADD_VS == cmd ) && ( request.vs_element.schedule_module_name.length() == 0 ) ){
-               //scheduler module not specified
-               //scheduler module check.
-               std::string     scheduler_name = L7VSADM_DEFAULT_SCHEDULER;             //default scheduler
-               schedule_module_control&        ctrl = schedule_module_control::getInstance();
-               ctrl.initialize( L7VS_MODULE_PATH );
-               schedule_module_base* module;
-               try{
-                       module = ctrl.load_module( scheduler_name );
-               }
-               catch( ... ){
-                       std::stringstream buf;
-                       buf << "scheduler module load error:" << scheduler_name;
-                       l7vsadm_err.setter( true, buf.str() );
-                       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 3, buf.str(), __FILE__, __LINE__ );
-                       return false;
-               }
-               if( !module ){
-                       // don't find schedule module
-                       std::stringstream buf;
-                       buf << "scheduler module not found:" << scheduler_name;
-                       l7vsadm_err.setter( true, buf.str() );
-                       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 4, buf.str(), __FILE__, __LINE__ );
-                       return false;
-               }
-               ctrl.unload_module( module );
-               request.vs_element.schedule_module_name = scheduler_name;
-       }
-       if( request.vs_element.protocol_module_name.length() == 0 ){
-               //protocol module name error
-               std::string     buf("protocol module not specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 5, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       if( request.vs_element.udpmode ){
-               if( request.vs_element.udp_recv_endpoint == boost::asio::ip::udp::endpoint() ){
-                       // udp mode,but not acceptor endpoint
-                       std::string buf("udp recv endpoint not specified.");
-                       l7vsadm_err.setter( true, buf );
-                       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 6, buf, __FILE__, __LINE__ );
-                       return false;
-               }
-       }
-       else{
-               if( request.vs_element.tcp_accept_endpoint == boost::asio::ip::tcp::endpoint() ){
-                       // tcp mode, but not acceptor endpoint
-                       std::string buf("tcp accpeptor endpoint not specified.");
-                       l7vsadm_err.setter( true, buf );
-                       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 7, buf, __FILE__, __LINE__ );
-                       return false;
-               }
-       }
-       if( 0 > request.vs_element.sorry_maxconnection ){
-               std::string     buf("invalid sorry_maxconnection value.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 8, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       return true;
+//! @param[in] request command
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_vs_func(l7vs::l7vsadm_request::COMMAND_CODE_TAG cmd, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 3, "l7vsadm::parse_vs_func", __FILE__, __LINE__);
+
+        request.command = cmd; // set command
+        if (l7vsadm_request::CMD_FLUSH_VS == cmd) {
+                if (argc != 2) {
+                        std::stringstream buf;
+                        buf << "Argument argc is illegal for " << argv[1] << " command.";
+                        l7vsadm_err.setter(true, buf.str());
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 118, buf.str(), __FILE__, __LINE__);
+                        return false;
+                }
+        } else {
+                if (argc < 6) {
+                        std::stringstream buf;
+                        buf << "Argument argc is illegal for " << argv[1] << " command.";
+                        l7vsadm_err.setter(true, buf.str());
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 119, buf.str(), __FILE__, __LINE__);
+                        return false;
+                }
+        }
+
+        std::map<std::string, int> count_map;
+
+        for (parse_opt_map_type::iterator itr = vs_option_dic.begin() ;
+                       itr != vs_option_dic.end() ; ++itr) {
+                count_map[ itr->first ] = 0;
+        }
+
+        if (l7vsadm_request::CMD_EDIT_VS == cmd) {
+                request.vs_element.access_log_flag = -1;
+        }
+
+        for (int pos = 2; pos < argc; ++pos) { // check options.
+                parse_opt_map_type::iterator itr = vs_option_dic.find(argv[pos]);
+                if (itr != vs_option_dic.end()) { // find option
+                        count_map[ itr->first ]++;
+                        if (! itr->second(pos, argc, argv)) {
+                                return false; // option function execute.
+                        }
+                } else { // not found option function.
+                        std::stringstream buf;
+                        buf << "virtualservice option not found: " << argv[pos];
+                        l7vsadm_err.setter(true, buf.str());
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 2, buf.str(), __FILE__, __LINE__);
+                        return false;
+                }
+        }
+        // check virtualservice on response
+        if (l7vsadm_request::CMD_FLUSH_VS == cmd) {
+                // flush vs required no option
+                return true;
+        }
+        if ((l7vsadm_request::CMD_ADD_VS == cmd) && (request.vs_element.schedule_module_name.length() == 0)) {
+                //scheduler module not specified
+                //scheduler module check.
+                std::string scheduler_name = L7VSADM_DEFAULT_SCHEDULER; //default scheduler
+                schedule_module_control &ctrl = schedule_module_control::getInstance();
+                ctrl.initialize(L7VS_MODULE_PATH);
+                schedule_module_base *module;
+                try {
+                        module = ctrl.load_module(scheduler_name);
+                } catch (...) {
+                        std::stringstream buf;
+                        buf << "scheduler module load error(--scheduler): " << scheduler_name;
+                        l7vsadm_err.setter(true, buf.str());
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 3, buf.str(), __FILE__, __LINE__);
+                        return false;
+                }
+                if (!module) {
+                        // schedule module not found
+                        std::stringstream buf;
+                        buf << "scheduler module not found(--scheduler): " << scheduler_name;
+                        l7vsadm_err.setter(true, buf.str());
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 4, buf.str(), __FILE__, __LINE__);
+                        return false;
+                }
+                ctrl.unload_module(module);
+                request.vs_element.schedule_module_name = scheduler_name;
+        }
+        if (request.vs_element.protocol_module_name.length() == 0) {
+                //protocol module name error
+                std::string buf("protocol module is not specified.(--proto-module)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 5, buf, __FILE__, __LINE__);
+                return false;
+        }
+        if (request.vs_element.udpmode) {
+                if (request.vs_element.udp_recv_endpoint == boost::asio::ip::udp::endpoint()) {
+                        // udp mode, but no receive endpoint
+                        std::string buf("udp recv endpoint is not specified.(--udp-service)");
+                        l7vsadm_err.setter(true, buf);
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 6, buf, __FILE__, __LINE__);
+                        return false;
+                }
+        } else {
+                if (request.vs_element.tcp_accept_endpoint == boost::asio::ip::tcp::endpoint()) {
+                        // tcp mode, but no acceptor endpoint
+                        std::string buf("tcp accpeptor endpoint is not specified.(--tcp-service)");
+                        l7vsadm_err.setter(true, buf);
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 7, buf, __FILE__, __LINE__);
+                        return false;
+                }
+        }
+        if (0 > request.vs_element.sorry_maxconnection) {
+                std::string buf("invalid sorry max connection value.(--upper)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 8, buf, __FILE__, __LINE__);
+                return false;
+        }
+        if ((l7vsadm_request::CMD_ADD_VS == cmd) &&
+                (request.vs_element.sorry_fwdmode == virtualservice_element::FWD_NONE)) {
+                request.vs_element.sorry_fwdmode = virtualservice_element::FWD_MASQ;
+        }
+
+        if ((l7vsadm_request::CMD_ADD_VS == cmd) &&
+               (request.vs_element.access_log_flag == 1) && (request.vs_element.access_log_file_name.length() == 0)) {
+                std::string buf("access log file is not specified.(--access-log-name)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 89, buf, __FILE__, __LINE__);
+                return false;
+        }
+
+        if (l7vsadm_request::CMD_EDIT_VS == cmd) {
+                // Existence check of the parameter
+                if (count_map["-s"] == 0 &&
+                    count_map["--scheduler"] == 0 &&
+                    count_map["-u"] == 0 &&
+                    count_map["--upper"] == 0 &&
+                    count_map["-b"] == 0 &&
+                    count_map["--bypass"] == 0 &&
+                    count_map["-f"] == 0 &&
+                    count_map["--flag"] == 0 &&
+                    count_map["-M"] == 0 &&
+                    count_map["--masq"] == 0 &&
+                    count_map["-T"] == 0 &&
+                    count_map["--tproxy"] == 0 &&
+                    count_map["-Q"] == 0 &&
+                    count_map["--qos-up"] == 0 &&
+                    count_map["-q"] == 0 &&
+                    count_map["--qos-down"] == 0 &&
+                    count_map["-L"] == 0 &&
+                    count_map["--access-log"] == 0) {
+
+                        std::string buf("All option omitted for edit vs command.");
+                        l7vsadm_err.setter(true, buf);
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 116, buf, __FILE__, __LINE__);
+                        return false;
+                }
+        }
+
+        //conflict check
+        std::string conflict_option_name;
+        bool is_conflict = false;
+
+        for (std::map<std::string, int>::iterator itr = count_map.begin() ;
+             itr != count_map.end() ; ++itr) {
+                if (itr->second > 1) {
+                        conflict_option_name = itr->first;
+                        is_conflict = true;
+                        break;
+                }
+        }
+
+        if (is_conflict == false &&
+            count_map["-t"] == 1 && count_map["--tcp-service"] == 1) {
+                //-t(--tcp-service)
+                conflict_option_name = "--tcp-service";
+                is_conflict = true;
+        }
+        if (is_conflict == false &&
+            count_map["-m"] == 1 && count_map["--proto-module"] == 1) {
+                //-m(--proto-module)
+                conflict_option_name = "--proto-module";
+                is_conflict = true;
+        }
+        if (is_conflict == false &&
+            count_map["-s"] == 1 && count_map["--scheduler"] == 1) {
+                //-s(--scheduler)
+                conflict_option_name = "--scheduler";
+                is_conflict = true;
+        }
+        if (is_conflict == false &&
+            count_map["-u"] == 1 && count_map["--upper"] == 1) {
+                //-u(--upper)
+                conflict_option_name = "--upper";
+                is_conflict = true;
+        }
+        if (is_conflict == false &&
+            count_map["-b"] == 1 && count_map["--bypass"] == 1) {
+                //-b(--bypass)
+                conflict_option_name = "--bypass";
+                is_conflict = true;
+        }
+        if (is_conflict == false &&
+            count_map["-f"] == 1 && count_map["--flag"] == 1) {
+                //-f(--flag)
+                conflict_option_name = "--flag";
+                is_conflict = true;
+        }
+        if (is_conflict == false &&
+            count_map["-M"] == 1 && count_map["--masq"] == 1) {
+                //-M(--masq)
+                conflict_option_name = "--masq";
+                is_conflict = true;
+        }
+        if (is_conflict == false &&
+            count_map["-T"] == 1 && count_map["--tproxy"] == 1) {
+                //-T(--tproxy)
+                conflict_option_name = "--tproxy";
+                is_conflict = true;
+        }
+        if (is_conflict == false &&
+            count_map["-M"] + count_map["--masq"] +
+            count_map["-T"] + count_map["--tproxy"] > 1) {
+                conflict_option_name = "--masq/tproxy";
+                is_conflict = true;
+        }
+        if (is_conflict == false &&
+            count_map["-Q"] == 1 && count_map["--qos-up"] == 1) {
+                //-Q(--qos-up)
+                conflict_option_name = "--qos-up";
+                is_conflict = true;
+        }
+        if (is_conflict == false &&
+            count_map["-q"] == 1 && count_map["--qos-down"] == 1) {
+                //-q(--qos-down)
+                conflict_option_name = "--qos-down";
+                is_conflict = true;
+        }
+        if (is_conflict == false &&
+            count_map["-p"] == 1 && count_map["--udp"] == 1) {
+                //-p(--udp)
+                conflict_option_name = "--udp";
+                is_conflict = true;
+        }
+        if (is_conflict == false &&
+            count_map["-z"] == 1 && count_map["--ssl"] == 1) {
+                //-z(--ssl)
+                conflict_option_name = "--ssl";
+                is_conflict = true;
+        }
+        if (is_conflict == false &&
+            count_map["-O"] == 1 && count_map["--sockopt"] == 1) {
+                //-O(--sockopt)
+                conflict_option_name = "--sockopt";
+                is_conflict = true;
+        }
+        if (is_conflict == false &&
+            count_map["-L"] == 1 && count_map["--access-log"] == 1) {
+                //-L(--access-log)
+                conflict_option_name = "--access-log";
+                is_conflict = true;
+        }
+        if (is_conflict == false &&
+            count_map["-a"] == 1 && count_map["--access-log-name"] == 1) {
+                //-a(--access-log-name)
+                conflict_option_name = "--access-log-name";
+                is_conflict = true;
+        }
+
+        if (is_conflict == true) {
+                std::stringstream buf;
+                buf << "Option " << conflict_option_name << " is conflict.";
+                l7vsadm_err.setter(true, buf.str());
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 120, buf.str(), __FILE__, __LINE__);
+                return false;
+        }
+
+        if (l7vsadm_request::CMD_ADD_VS == cmd &&
+            (count_map["-z"] > 0 || count_map["--ssl"] > 0)) {
+                protocol_module_control &ctrl
+                = protocol_module_control::getInstance();
+                ctrl.initialize(L7VS_MODULE_PATH);
+                protocol_module_base *module;
+                try {
+                        module
+                        = ctrl.load_module(request.vs_element.protocol_module_name);
+                } catch (...) {
+                        std::stringstream buf;
+                        buf << "protocol module load error(--proto-module): "
+                            << request.vs_element.protocol_module_name;
+                        l7vsadm_err.setter(true, buf.str());
+                        Logger::putLogError(
+                                LOG_CAT_L7VSADM_PARSE,
+                                108,
+                                buf.str(),
+                                __FILE__,
+                                __LINE__);
+                        return false;
+                }
+                if (!module) {
+                        // protocol module not found.
+                        std::stringstream buf;
+                        buf << "protocol module not found(--proto-module): "
+                            << request.vs_element.protocol_module_name;
+                        l7vsadm_err.setter(true, buf.str());
+                        Logger::putLogError(
+                                LOG_CAT_L7VSADM_PARSE,
+                                109, buf.str(),
+                                __FILE__,
+                                __LINE__);
+                        return false;
+                }
+
+                bool module_used_flag = module->is_exec_OK(VS_CONTACT_CLASS_SSL);
+                if (module_used_flag == false) {
+                        // protocol module not found.
+                        std::stringstream buf;
+                        buf << "You cannot set \"-z\" option with \"sslid\" protocol module.";
+                        l7vsadm_err.setter(true, buf.str());
+                        Logger::putLogError(
+                                LOG_CAT_L7VSADM_PARSE,
+                                110,
+                                buf.str(),
+                                __FILE__,
+                                __LINE__);
+                        return false;
+                }
+        }
+
+        return true;
 }
 //
 // option virtualservice functions.
 //
 //! target option check
-//! @param[in] argument position
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_opt_vs_target_func( int& pos, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 4, "l7vsadm::parse_opt_vs_target_func", __FILE__, __LINE__ );
-
-       if( ++pos >= argc ){
-               //don't target recvaddress:port
-               std::string     buf("target endpoint is not specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 9, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       // get host endpoint from string
-       std::string     src_str = argv[pos];
-       if( request.vs_element.udpmode ){
-               error_code      err;
-               request.vs_element.udp_recv_endpoint = string_to_endpoint<boost::asio::ip::udp>( src_str, err );
-               if( err ){
-                       std::stringstream buf;
-                       buf << "target endpoint parse error:" << err.get_message() << src_str;
-                       l7vsadm_err.setter( true, buf.str() );
-                       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 10, buf.str(), __FILE__, __LINE__ );
-                       return false;
-               }
-               check_endpoint<boost::asio::ip::udp>( request.vs_element.udp_recv_endpoint, err );
-               if ( err ){
-                       std::stringstream buf;
-                       buf << "target endpoint parse error:" << err.get_message() << src_str;
-                       l7vsadm_err.setter( true, buf.str() );
-                       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 11, buf.str(), __FILE__, __LINE__ );
-                       return false;
-               }
-       }
-       else{
-               error_code      err;
-               request.vs_element.tcp_accept_endpoint = string_to_endpoint<boost::asio::ip::tcp>( src_str, err );
-               if( err ){
-                       std::stringstream buf;
-                       buf << "target endpoint parse error:" << err.get_message() << src_str;
-                       l7vsadm_err.setter( true, buf.str() );
-                       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 12, buf.str(), __FILE__, __LINE__ );
-                       return false;
-               }
-               check_endpoint<boost::asio::ip::tcp>( request.vs_element.tcp_accept_endpoint, err );
-               if ( err ){
-                       std::stringstream buf;
-                       buf << "target endpoint parse error:" << err.get_message() << src_str;
-                       l7vsadm_err.setter( true, buf.str() );
-                       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 13, buf.str(), __FILE__, __LINE__ );
-                       return false;
-               }
-       }
-       return true;
+//! @param[in] argument position
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_opt_vs_target_func(int &pos, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 4, "l7vsadm::parse_opt_vs_target_func", __FILE__, __LINE__);
+
+        if (++pos >= argc) {
+                // target address and port are not specified
+                std::string buf("target endpoint is not specified.(--tcp-service)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 9, buf, __FILE__, __LINE__);
+                return false;
+        }
+        // get host endpoint from string
+        std::string src_str = argv[pos];
+        if (request.vs_element.udpmode) {
+                error_code err;
+                request.vs_element.udp_recv_endpoint = string_to_endpoint<boost::asio::ip::udp>(src_str, err);
+                if (err) {
+                        std::stringstream buf;
+                        buf << "target endpoint parse error(--tcp-service): " << err.get_message() << src_str;
+                        l7vsadm_err.setter(true, buf.str());
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 10, buf.str(), __FILE__, __LINE__);
+                        return false;
+                }
+                check_endpoint<boost::asio::ip::udp>(request.vs_element.udp_recv_endpoint, true, err);
+                if (err) {
+                        std::stringstream buf;
+                        buf << "target endpoint parse error(--tcp-service): " << err.get_message() << src_str;
+                        l7vsadm_err.setter(true, buf.str());
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 11, buf.str(), __FILE__, __LINE__);
+                        return false;
+                }
+        } else {
+                error_code err;
+                request.vs_element.tcp_accept_endpoint = string_to_endpoint<boost::asio::ip::tcp>(src_str, err);
+                if (err) {
+                        std::stringstream buf;
+                        buf << "target endpoint parse error(--tcp-service): " << err.get_message() << src_str;
+                        l7vsadm_err.setter(true, buf.str());
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 12, buf.str(), __FILE__, __LINE__);
+                        return false;
+                }
+                check_endpoint<boost::asio::ip::tcp>(request.vs_element.tcp_accept_endpoint, true, err);
+                if (err) {
+                        std::stringstream buf;
+                        buf << "target endpoint parse error(--tcp-service): " << err.get_message() << src_str;
+                        l7vsadm_err.setter(true, buf.str());
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 13, buf.str(), __FILE__, __LINE__);
+                        return false;
+                }
+        }
+        return true;
 }
 //! module option check
-//! @param[in] argument position
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_opt_vs_module_func( int& pos, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 5, "l7vsadm::parse_opt_vs_module_func", __FILE__, __LINE__ );
-
-       if( ++pos >= argc ){
-               //don't target protomod name.
-               std::string     buf("protomod name is not specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 14, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       std::string     module_name = argv[pos];
-       if( L7VS_MODNAME_LEN < module_name.length() ){
-               std::string     buf("protomod name is too long.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 15, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       protocol_module_control&        ctrl = protocol_module_control::getInstance();
-       ctrl.initialize( L7VS_MODULE_PATH );
-       protocol_module_base* module;
-       try{
-               module = ctrl.load_module( module_name );
-       }
-       catch( ... ){
-               std::stringstream buf;
-               buf << "protocol module load error:" << module_name;
-               l7vsadm_err.setter( true, buf.str() );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 16, buf.str(), __FILE__, __LINE__ );
-               return false;
-       }
-       if( !module ){
-               //don't find protocol module.
-               std::stringstream buf;
-               buf << "protocol module not found:" << module_name;
-               l7vsadm_err.setter( true, buf.str() );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 17, buf.str(), __FILE__, __LINE__ );
-               return false;
-       }
-       module->init_logger_functions(
-                                       boost::bind( &l7vs::Logger::getLogLevel, l7vs::LOG_CAT_PROTOCOL ),
-                                       boost::bind( &l7vs::Logger::putLogFatal, l7vs::LOG_CAT_PROTOCOL, _1, _2, _3, _4 ),
-                                       boost::bind( &l7vs::Logger::putLogError, l7vs::LOG_CAT_PROTOCOL, _1, _2, _3, _4 ),
-                                       boost::bind( &l7vs::Logger::putLogWarn, l7vs::LOG_CAT_PROTOCOL, _1, _2, _3, _4 ),
-                                       boost::bind( &l7vs::Logger::putLogInfo, l7vs::LOG_CAT_PROTOCOL, _1, _2, _3, _4 ),
-                                       boost::bind( &l7vs::Logger::putLogDebug, l7vs::LOG_CAT_PROTOCOL, _1, _2, _3, _4 ) );
-       // create module args.
-       std::vector< std::string > module_args;
-       while( true ){
-               if( ++pos == argc ) break; //module option end.
-               parse_opt_map_type::iterator vsitr = vs_option_dic.find( argv[pos] );
-               if( vsitr != vs_option_dic.end() ){
-                       --pos;  // back for next option
-                       break;  // module option end.
-               }
-               parse_opt_map_type::iterator rsitr = rs_option_dic.find( argv[pos] );
-               if( rsitr != rs_option_dic.end() ){
-                       --pos;  // back for next option
-                       break;  // module option end.
-               }
-               module_args.push_back( argv[pos] );
-       }
-       //>> socket option 
-       std::vector< std::string > chk_module_args;
-       
-       BOOST_FOREACH( std::string str, module_args ){
-               chk_module_args.push_back( str );
-       }
-       
-       protocol_module_base::check_message_result socket_option_message;
-       socket_option_message.flag = true;
-       std::vector<std::string>::iterator args_itr = chk_module_args.begin();
-       bool is_fond = false;
-       
-       while( args_itr != chk_module_args.end()){
-               
-               if(  *args_itr == "-C" || *args_itr == "--cookie-name" ){
-                       args_itr++;
-                       // next value
-                       if(args_itr != chk_module_args.end()){
-                               args_itr++;
-                       }
-               }else if( *args_itr == "-E" || *args_itr == "--cookie-expire" ){
-                       args_itr++;
-                       // next value
-                       if(args_itr != chk_module_args.end()){
-                               args_itr++;
-                       }
-//             }else if( *args_itr == "-F" || *args_itr == "--forwarded-for" ){
-//             }else if( *args_itr == "-R" || *args_itr == "--reschedule" ){
-//             }else if( *args_itr == "-N" || *args_itr == "--no-reschedule" ){
-               }else if( *args_itr == "-S" || *args_itr == "--sorry-uri" ){
-                       args_itr++;
-                       // next value
-                       if(args_itr != chk_module_args.end()){
-                               args_itr++;
-                       }
-               }else if( *args_itr == "-T" || *args_itr == "--timeout" ){
-                       args_itr++;
-                       // next value
-                       if(args_itr != chk_module_args.end()){
-                               args_itr++;
-                       }
-               }else if( *args_itr == "-M" || *args_itr == "--maxlist" ){
-                       args_itr++;
-                       // next value
-                       if(args_itr != chk_module_args.end()){
-                               args_itr++;
-                       }
-               }else if( *args_itr == "-O" || *args_itr == "--sockopt" ){
-                       if(is_fond){
-                               // duplication
-                               socket_option_message.flag = false;
-                               socket_option_message.message = "'-O/--sock-opt' option value '";
-                               socket_option_message.message +=        *args_itr;
-                               socket_option_message.message +=        "' is not numeric character.";
-                               break;
-                       }
-                       is_fond = true;
-                       args_itr = chk_module_args.erase(args_itr);
-                       if(args_itr == chk_module_args.end()){
-                               // not socket opution value
-                               socket_option_message.flag = false;
-                               socket_option_message.message = "'-O/--sock-opt' option value not socket opution value error.";
-                               break;
-                       }
-                       
-                       std::string sock_option_val = *args_itr;
-                       args_itr = chk_module_args.erase(args_itr);
-                       
-                       unsigned int hed_pos = 0;
-                       bool is_fond_da = false;
-                       bool is_fond_nd = false;
-                       bool is_fond_ck = false;
-                       bool is_fond_qa = false;
-                       
-                       while((hed_pos + 2) < sock_option_val.length()){
-                               
-                               if(sock_option_val.substr(hed_pos,2) == "da"){
-                                       if(is_fond_da){
-                                               // da(defer_accept option) duplication error
-                                               socket_option_message.flag = false;
-                                               socket_option_message.message = "'-O/--sock-opt' option value da(defer_accept option) duplication error.";
-                                               break;
-                                       }
-                                       hed_pos += 2;
-                                       if(sock_option_val.substr(hed_pos,3) == ":on"){
-                                               is_fond_da = true;
-                                               hed_pos += 3;
-                                               if((hed_pos + 1) < sock_option_val.length()){
-                                                       if( sock_option_val.substr(hed_pos,1) == ",") {
-                                                               hed_pos += 1;
-                                                       }else{
-                                                               socket_option_message.flag = false;
-                                                               socket_option_message.message = "'-O/--sock-opt' option value '";
-                                                               socket_option_message.message +=        *args_itr;
-                                                               socket_option_message.message +=        "' wrong value ex. da:on,nd:on,ck:on,qa:on";
-                                                               break;
-                                                       }
-                                               }
-                                       }else{
-                                               socket_option_message.flag = false;
-                                               socket_option_message.message = "'-O/--sock-opt' option value '";
-                                               socket_option_message.message +=        *args_itr;
-                                               socket_option_message.message +=        "' wrong value ex. da:on,nd:on,ck:on,qa:on";
-                                               break;
-                                       }
-                               }else if(sock_option_val.substr(hed_pos,2) == "nd"){
-                                       if(is_fond_nd){
-                                               // nd(nodelay option) duplication error
-                                               socket_option_message.flag = false;
-                                               socket_option_message.message = "'-O/--sock-opt' option value nd(nodelay option) duplication error.";
-                                               break;
-                                       }
-                                       hed_pos += 2;
-                                       if(sock_option_val.substr(hed_pos,3) == ":on"){
-                                               is_fond_nd = true;
-                                               hed_pos += 3;
-                                               if((hed_pos + 1) < sock_option_val.length()){
-                                                       if( sock_option_val.substr(hed_pos,1) == ",") {
-                                                               hed_pos += 1;
-                                                       }else{
-                                                               socket_option_message.flag = false;
-                                                               socket_option_message.message = "'-O/--sock-opt' option value '";
-                                                               socket_option_message.message +=        *args_itr;
-                                                               socket_option_message.message +=        "' wrong value ex. da:on,nd:on,ck:on,qa:on";
-                                                               break;
-                                                       }
-                                               }
-                                       }else{
-                                               socket_option_message.flag = false;
-                                               socket_option_message.message = "'-O/--sock-opt' option value '";
-                                               socket_option_message.message +=        *args_itr;
-                                               socket_option_message.message +=        "' wrong value ex. da:on,nd:on,ck:on,qa:on";
-                                               break;
-                                       }
-                               }else if(sock_option_val.substr(hed_pos,2) == "ck"){
-                                       if(is_fond_ck){
-                                               // ck(cork option) duplication error
-                                               socket_option_message.flag = false;
-                                               socket_option_message.message = "'-O/--sock-opt' option value ck(cork option) duplication error.";
-                                       }
-                                       hed_pos += 2;
-                                       if(sock_option_val.substr(hed_pos,3) == ":on"){
-                                               is_fond_ck = true;
-                                               hed_pos += 3;
-                                               if((hed_pos + 1) < sock_option_val.length()){
-                                                       if( sock_option_val.substr(hed_pos,1) == ",") {
-                                                               hed_pos += 1;
-                                                       }else{
-                                                               socket_option_message.flag = false;
-                                                               socket_option_message.message = "'-O/--sock-opt' option value '";
-                                                               socket_option_message.message +=        *args_itr;
-                                                               socket_option_message.message +=        "' wrong value ex. da:on,nd:on,ck:on,qa:on";
-                                                               break;
-                                                       }
-                                               }
-                                       }else{
-                                               socket_option_message.flag = false;
-                                               socket_option_message.message = "'-O/--sock-opt' option value '";
-                                               socket_option_message.message +=        *args_itr;
-                                               socket_option_message.message +=        "' wrong value ex. da:on,nd:on,ck:on,qa:on";
-                                               break;
-                                       }
-                                       
-                               }else if(sock_option_val.substr(hed_pos,2) == "qa"){
-                                       if(is_fond_qa){
-                                               // qa(quickack option) duplication error
-                                               socket_option_message.flag = false;
-                                               socket_option_message.message = "'-O/--sock-opt' option value qa(quickack option) duplication error.";
-                                       }
-                                       hed_pos += 2;
-                                       if(sock_option_val.substr(hed_pos,3) == ":on"){
-                                               is_fond_qa = true;
-                                               hed_pos += 3;
-                                               if((hed_pos + 1) < sock_option_val.length()){
-                                                       if( sock_option_val.substr(hed_pos,1) == ",") {
-                                                               hed_pos += 1;
-                                                       }else{
-                                                               socket_option_message.flag = false;
-                                                               socket_option_message.message = "'-O/--sock-opt' option value '";
-                                                               socket_option_message.message +=        *args_itr;
-                                                               socket_option_message.message +=        "' wrong value ex. da:on,nd:on,ck:on,qa:on";
-                                                               break;
-                                                       }
-                                               }
-                                       }else if(sock_option_val.substr(hed_pos,4) == ":off"){
-                                               is_fond_qa = true;
-                                               hed_pos += 3;
-                                               if((hed_pos + 1) < sock_option_val.length()){
-                                                       if( sock_option_val.substr(hed_pos,1) == ",") {
-                                                               hed_pos += 1;
-                                                       }else{
-                                                               socket_option_message.flag = false;
-                                                               socket_option_message.message = "'-O/--sock-opt' option value '";
-                                                               socket_option_message.message +=        *args_itr;
-                                                               socket_option_message.message +=        "' wrong value ex. da:on,nd:on,ck:on,qa:on";
-                                                               break;
-                                                       }
-                                               }
-                                       }else{
-                                               socket_option_message.flag = false;
-                                               socket_option_message.message = "'-O/--sock-opt' option value '";
-                                               socket_option_message.message +=        *args_itr;
-                                               socket_option_message.message +=        "' wrong value ex. da:on,nd:on,ck:on,qa:on";
-                                               break;
-                                       }
-                               }else{
-                                       socket_option_message.flag = false;
-                                       socket_option_message.message = "'-O/--sock-opt' option value '";
-                                       socket_option_message.message +=        *args_itr;
-                                       socket_option_message.message +=        "' wrong value ex. da:on,nd:on,ck:on,qa:on";
-                                       break;
-                               }
-                       }
-                       if(!socket_option_message.flag){
-                               break;
-                       }
-               }else{
-                       args_itr++;
-               }
-       }
-       
-       if( !socket_option_message.flag ){
-               // args is not supported.
-               std::stringstream       buf;
-               buf << "protocol module argument error: " << socket_option_message.message;
-               l7vsadm_err.setter( true, buf.str() );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 100, buf.str(), __FILE__, __LINE__ );
-               return false;
-       }
-//     protocol_module_base::check_message_result module_message = module->check_parameter( module_args );
-       protocol_module_base::check_message_result module_message = module->check_parameter( chk_module_args );
-       //<< socket option
-       if( !module_message.flag ){
-               // args is not supported.
-               std::stringstream       buf;
-               buf << "protocol module argument error: " << module_message.message;
-               l7vsadm_err.setter( true, buf.str() );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 18, buf.str(), __FILE__, __LINE__ );
-               return false;
-       }
-       request.vs_element.protocol_module_name = module_name;
-       BOOST_FOREACH( std::string str, module_args ){
-               request.vs_element.protocol_args.push_back( str );
-       }
-       ctrl.unload_module( module );
-
-       return true;
+//! @param[in] argument position
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_opt_vs_module_func(int &pos, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 5, "l7vsadm::parse_opt_vs_module_func", __FILE__, __LINE__);
+        if (++pos >= argc) {
+                // target protomod name not specified.
+                std::string buf("protocol module name is not specified.(--proto-module)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 14, buf, __FILE__, __LINE__);
+                return false;
+        }
+        std::string module_name = argv[pos];
+        if (L7VS_MODNAME_LEN < module_name.length()) {
+                std::string buf("protocol module name is too long.(--proto-module)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 15, buf, __FILE__, __LINE__);
+                return false;
+        }
+        protocol_module_control &ctrl = protocol_module_control::getInstance();
+        ctrl.initialize(L7VS_MODULE_PATH);
+        protocol_module_base *module;
+        try {
+                module = ctrl.load_module(module_name);
+        } catch (...) {
+                std::stringstream buf;
+                buf << "protocol module load error(--proto-module): " << module_name;
+                l7vsadm_err.setter(true, buf.str());
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 16, buf.str(), __FILE__, __LINE__);
+                return false;
+        }
+        if (!module) {
+                // protocol module not found.
+                std::stringstream buf;
+                buf << "protocol module not found(--proto-module): " << module_name;
+                l7vsadm_err.setter(true, buf.str());
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 17, buf.str(), __FILE__, __LINE__);
+                return false;
+        }
+        module->init_logger_functions(
+                boost::bind(&l7vs::Logger::getLogLevel, l7vs::LOG_CAT_PROTOCOL),
+                boost::bind(&l7vs::Logger::putLogFatal, l7vs::LOG_CAT_PROTOCOL, _1, _2, _3, _4),
+                boost::bind(&l7vs::Logger::putLogError, l7vs::LOG_CAT_PROTOCOL, _1, _2, _3, _4),
+                boost::bind(&l7vs::Logger::putLogWarn, l7vs::LOG_CAT_PROTOCOL, _1, _2, _3, _4),
+                boost::bind(&l7vs::Logger::putLogInfo, l7vs::LOG_CAT_PROTOCOL, _1, _2, _3, _4),
+                boost::bind(&l7vs::Logger::putLogDebug, l7vs::LOG_CAT_PROTOCOL, _1, _2, _3, _4));
+        // create module args.
+        std::vector<std::string> module_args;
+        while (true) {
+                if (++pos == argc) break; //module option end.
+                parse_opt_map_type::iterator vsitr = vs_option_dic.find(argv[pos]);
+                if (vsitr != vs_option_dic.end()) {
+                        --pos; // back for next option
+                        break; // module option end.
+                }
+                parse_opt_map_type::iterator rsitr = rs_option_dic.find(argv[pos]);
+                if (rsitr != rs_option_dic.end()) {
+                        --pos; // back for next option
+                        break; // module option end.
+                }
+                module_args.push_back(argv[pos]);
+        }
+        protocol_module_base::check_message_result module_message = module->check_parameter(module_args);
+
+        if (!module_message.flag) {
+                // args is not supported.
+                std::stringstream buf;
+                buf << "protocol module argument error(--proto-module): " << module_message.message;
+                l7vsadm_err.setter(true, buf.str());
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 18, buf.str(), __FILE__, __LINE__);
+                return false;
+        }
+        request.vs_element.protocol_module_name = module_name;
+        BOOST_FOREACH(std::string str, module_args) {
+                request.vs_element.protocol_args.push_back(str);
+        }
+        ctrl.unload_module(module);
+
+        return true;
 }
 
 //! scheduler option check.
-//! @param[in] argument position
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_opt_vs_scheduler_func( int& pos, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 6, "l7vsadm::parse_opt_vs_scheduler_func", __FILE__, __LINE__ );
-
-       if( ++pos >= argc ){
-               // don't target scheduler name.
-               std::string     buf("scheduler name is not specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 19, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       //schedule module check.
-       std::string     scheduler_name = argv[pos];
-       if( L7VS_MODNAME_LEN < scheduler_name.length() ){
-               std::string     buf("scheduler name is too long.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 20, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       schedule_module_control&        ctrl = schedule_module_control::getInstance();
-       ctrl.initialize( L7VS_MODULE_PATH );
-       schedule_module_base* module;
-       try{
-               module = ctrl.load_module( scheduler_name );
-       }
-       catch( ... ){
-               std::stringstream buf;
-               buf << "scheduler module load error:" << scheduler_name;
-               l7vsadm_err.setter( true, buf.str() );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 21, buf.str(), __FILE__, __LINE__ );
-               return false;
-       }
-       if( !module ){
-               // don't find schedule module
-               std::stringstream buf;
-               buf << "scheduler module not found:" << scheduler_name;
-               l7vsadm_err.setter( true, buf.str() );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 22, buf.str(), __FILE__, __LINE__ );
-               return false;
-       }
-       ctrl.unload_module( module );
-       request.vs_element.schedule_module_name = scheduler_name;
-       return true;
+//! @param[in] argument position
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_opt_vs_scheduler_func(int &pos, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 6, "l7vsadm::parse_opt_vs_scheduler_func", __FILE__, __LINE__);
+
+        if (++pos >= argc) {
+                // target scheduler name not specified.
+                std::string buf("schedule module name is not specified.(--scheduler)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 19, buf, __FILE__, __LINE__);
+                return false;
+        }
+        //schedule module check.
+        std::string scheduler_name = argv[pos];
+        if (L7VS_MODNAME_LEN < scheduler_name.length()) {
+                std::string buf("schedule module name is too long.(--scheduler)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 20, buf, __FILE__, __LINE__);
+                return false;
+        }
+        schedule_module_control &ctrl = schedule_module_control::getInstance();
+        ctrl.initialize(L7VS_MODULE_PATH);
+        schedule_module_base *module;
+        try {
+                module = ctrl.load_module(scheduler_name);
+        } catch (...) {
+                std::stringstream buf;
+                buf << "scheduler module load error(--scheduler): " << scheduler_name;
+                l7vsadm_err.setter(true, buf.str());
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 21, buf.str(), __FILE__, __LINE__);
+                return false;
+        }
+        if (!module) {
+                // schedule module not found
+                std::stringstream buf;
+                buf << "scheduler module not found(--scheduler): " << scheduler_name;
+                l7vsadm_err.setter(true, buf.str());
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 22, buf.str(), __FILE__, __LINE__);
+                return false;
+        }
+        ctrl.unload_module(module);
+        request.vs_element.schedule_module_name = scheduler_name;
+        return true;
 }
 //! upper flag check
-//! @param[in] argument position
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_opt_vs_upper_func( int& pos, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 7, "l7vsadm::parse_opt_vs_upper_func", __FILE__, __LINE__ );
-
-       if( ++pos >= argc ){
-               // don't target maxconnection_num
-               std::string     buf("maxconnection value is not specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 23, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       try{
-               request.vs_element.sorry_maxconnection = boost::lexical_cast< long long >( argv[pos] );
-               if( ( 0LL > request.vs_element.sorry_maxconnection ) ||
-                       ( 100000LL < request.vs_element.sorry_maxconnection ) ){
-                       std::string     buf("invalid sorry_maxconnection value.");
-                       l7vsadm_err.setter( true, buf );
-                       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 24, buf, __FILE__, __LINE__ );
-                       return false;
-               }
-               if( 0LL == request.vs_element.sorry_maxconnection )
-                       request.vs_element.sorry_maxconnection = LLONG_MAX;             // clear value
-       }
-       catch( boost::bad_lexical_cast& e ){
-               // don't convert argv[pos] is
-               std::string     buf("invalid sorry_maxconnection value.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 25, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       //check connection limit and zero
-       return true;
+//! @param[in] argument position
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_opt_vs_upper_func(int &pos, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 7, "l7vsadm::parse_opt_vs_upper_func", __FILE__, __LINE__);
+
+        if (++pos >= argc) {
+                // target max connection number not specified
+                std::string buf("sorry max connection value is not specified.(--upper)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 23, buf, __FILE__, __LINE__);
+                return false;
+        }
+        try {
+                request.vs_element.sorry_maxconnection = boost::lexical_cast<long long>(argv[pos]);
+                if ((0LL > request.vs_element.sorry_maxconnection) ||
+                    (100000LL < request.vs_element.sorry_maxconnection)) {
+                        std::string buf("invalid sorry max connection value.(--upper)");
+                        l7vsadm_err.setter(true, buf);
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 24, buf, __FILE__, __LINE__);
+                        return false;
+                }
+                if (0LL == request.vs_element.sorry_maxconnection)
+                        request.vs_element.sorry_maxconnection = LLONG_MAX; // clear value
+        } catch (boost::bad_lexical_cast &e) {
+                std::string buf("invalid sorry max connection value.(--upper)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 25, buf, __FILE__, __LINE__);
+                return false;
+        }
+        //check connection limit and zero
+        return true;
 }
 //! bypass(SorryServer) option check
-//! @param[in] argument position
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_opt_vs_bypass_func( int& pos, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 8, "l7vsadm::parse_opt_vs_bypass_func", __FILE__, __LINE__ );
-
-       if( ++pos >= argc ){
-               //don't target sorryserver:port
-               std::string     buf("sorryserver endpoint is not specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 26, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       std::string sorry_endpoint = argv[pos];
-       error_code err;
-       request.vs_element.sorry_endpoint = string_to_endpoint< boost::asio::ip::tcp > ( sorry_endpoint, err );
-       if( err ){
-               std::stringstream buf;
-               buf << "sorryserver endpoint parse error:" << err.get_message() << sorry_endpoint;
-               l7vsadm_err.setter( true, buf.str() );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 27, buf.str(), __FILE__, __LINE__ );
-               return false;
-       }
-       // clear endpoint check
-       if( request.vs_element.sorry_endpoint == boost::asio::ip::tcp::endpoint() ){
-               std::string     clear_endpoint = "255.255.255.255:0";           // clear value
-               request.vs_element.sorry_endpoint = string_to_endpoint< boost::asio::ip::tcp > ( clear_endpoint, err );
-               if( err ){
-                       std::stringstream buf;
-                       buf << "sorryserver endpoint parse error:" << err.get_message() << clear_endpoint;
-                       l7vsadm_err.setter( true, buf.str() );
-                       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 28, buf.str(), __FILE__, __LINE__ );
-                       return false;
-               }
-       }
-       else{
-               check_endpoint<boost::asio::ip::tcp>( request.vs_element.sorry_endpoint, err );
-               if ( err ){
-                       std::stringstream buf;
-                       buf << "sorryserver endpoint parse error:" << err.get_message() << sorry_endpoint;
-                       l7vsadm_err.setter( true, buf.str() );
-                       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 29, buf.str(), __FILE__, __LINE__ );
-                       return false;
-               }
-       }
-       return true;    //
+//! @param[in] argument position
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_opt_vs_bypass_func(int &pos, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 8, "l7vsadm::parse_opt_vs_bypass_func", __FILE__, __LINE__);
+
+        if (++pos >= argc) {
+                // sorryserver addr and port not specified
+                std::string buf("sorryserver endpoint is not specified.(--bypass)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 26, buf, __FILE__, __LINE__);
+                return false;
+        }
+        std::string sorry_endpoint = argv[pos];
+        error_code err;
+        request.vs_element.sorry_endpoint = string_to_endpoint<boost::asio::ip::tcp>(sorry_endpoint, err);
+        if (err) {
+                std::stringstream buf;
+                buf << "sorryserver endpoint parse error(--bypass): " << err.get_message() << sorry_endpoint;
+                l7vsadm_err.setter(true, buf.str());
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 27, buf.str(), __FILE__, __LINE__);
+                return false;
+        }
+        // clear endpoint check (0.0.0.0:0)
+        if (request.vs_element.sorry_endpoint == boost::asio::ip::tcp::endpoint()) {
+               request.vs_element.sorry_endpoint = boost::asio::ip::tcp::endpoint(
+                       boost::asio::ip::address::from_string("255.255.255.255"), 0);
+       } else {
+                check_endpoint<boost::asio::ip::tcp>(request.vs_element.sorry_endpoint, false, err);
+                if (err) {
+                        std::stringstream buf;
+                        buf << "sorryserver endpoint parse error(--bypass): " << err.get_message() << sorry_endpoint;
+                        l7vsadm_err.setter(true, buf.str());
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 29, buf.str(), __FILE__, __LINE__);
+                        return false;
+                }
+        }
+        return true;
 }
 //! virtualservice option flag function
-//! @param[in] argument position
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_opt_vs_flag_func( int& pos, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 9, "l7vsadm::parse_opt_vs_flag_func", __FILE__, __LINE__ );
-
-       if( ++pos >= argc ){
-               //don't target sorry flag
-               std::string     buf("sorryflag value is not specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 30, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       try{
-               int     tmp = boost::lexical_cast< int >( argv[pos] );
-               if( ( 0 != tmp ) && ( 1 != tmp ) ){
-                       std::string     buf("invalid sorryflag value.");
-                       l7vsadm_err.setter( true, buf );
-                       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 31, buf, __FILE__, __LINE__ );
-                       return false;
-               }
-               if( 0 == tmp )
-                       request.vs_element.sorry_flag = INT_MAX;        // clear value
-               else
-                       request.vs_element.sorry_flag = 1;
-       }
-       catch( boost::bad_lexical_cast& e ){
-               // don't convert argv[pos] is
-               std::string     buf("invalid sorryflag value.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 32, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       return true;    //
+//! @param[in] argument position
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_opt_vs_flag_func(int &pos, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 9, "l7vsadm::parse_opt_vs_flag_func", __FILE__, __LINE__);
+
+        if (++pos >= argc) {
+                // sorry flag is not specified
+                std::string buf("sorry flag value is not specified.(--flag)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 30, buf, __FILE__, __LINE__);
+                return false;
+        }
+        try {
+                int tmp = boost::lexical_cast<int>(argv[pos]);
+                if ((0 != tmp) && (1 != tmp)) {
+                        std::string buf("invalid sorry flag value.(--flag)");
+                        l7vsadm_err.setter(true, buf);
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 31, buf, __FILE__, __LINE__);
+                        return false;
+                }
+                if (0 == tmp)
+                        request.vs_element.sorry_flag = INT_MAX; // clear value
+                else
+                        request.vs_element.sorry_flag = 1;
+        } catch (boost::bad_lexical_cast &e) {
+                std::string buf("invalid sorry flag value.(--flag)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 32, buf, __FILE__, __LINE__);
+                return false;
+        }
+        return true;
+}
+//! virtualservice option sorry forward mode function
+//! @param[in] argument position
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_opt_vs_fwdmode_func(int &pos, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, /*XXX*/999, "l7vsadm::parse_opt_vs_fwdmode_func", __FILE__, __LINE__);
+
+        std::string opt(argv[pos]);
+        if (opt == "-M" || opt == "--masq") {
+                request.vs_element.sorry_fwdmode = virtualservice_element::FWD_MASQ;
+        } else if (opt == "-T" || opt == "--tproxy") {
+#ifdef IP_TRANSPARENT
+                request.vs_element.sorry_fwdmode = virtualservice_element::FWD_TPROXY;
+#else
+                std::stringstream buf("tproxy(IP_TRANSPARENT) not supported on this platform.");
+                l7vsadm_err.setter(true, buf.str());
+                Logger::putLogInfo(LOG_CAT_L7VSADM_PARSE, /*XXX*/999, buf.str(), __FILE__, __LINE__);
+                return false;
+#endif
+        } else {
+                // should never come here
+                std::stringstream buf;
+                buf << boost::format("unknown sorryserver forward mode specified.(%s)") % opt;
+                l7vsadm_err.setter(true, buf.str());
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, /*XXX*/999, buf.str(), __FILE__, __LINE__);
+                return false;
+        }
+        return true;
 }
 //! virtualservice option qosupstream function
-//! @param[in] argument position
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_opt_vs_qosup_func( int& pos, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 10, "l7vsadm::parse_opt_vs_qosup_func", __FILE__, __LINE__ );
-
-       if( ++pos >= argc ){
-               //don't rarget QoS upstream value.
-               std::string     buf("qos_upstream value is not specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 33, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       try{
-               virtualservice_element& elem = request.vs_element;      // request virtualservice element refalence get.
-               std::string     tmp     = argv[pos];
-               std::string::reverse_iterator ritr = tmp.rbegin();
-               if( *ritr == 'G' || *ritr == 'g' ){
-                       std::string     strval = tmp.substr(0, tmp.length() - 1);
-                       unsigned long long      ullval  = boost::lexical_cast< unsigned long long > ( strval );
-                       if( ( ULLONG_MAX / 1024 / 1024 / 1024 ) < ullval ){
-                               std::string     buf("qos_upstream value is too big.");
-                               l7vsadm_err.setter( true, buf );
-                               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 34, buf, __FILE__, __LINE__ );
-                               return false;
-                       }
-                       elem.qos_upstream = ullval * 1024 * 1024 * 1024;                // set qos_upstream
-               }
-               else if( *ritr == 'M' || *ritr == 'm' ){
-                       std::string     strval = tmp.substr(0, tmp.length() - 1);
-                       unsigned long long      ullval  = boost::lexical_cast< unsigned long long > ( strval );
-                       if( ( ULLONG_MAX / 1024 / 1024 ) < ullval ){
-                               std::string     buf("qos_upstream value is too big.");
-                               l7vsadm_err.setter( true, buf );
-                               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 35, buf, __FILE__, __LINE__ );
-                               return false;
-                       }
-                       elem.qos_upstream = ullval * 1024 * 1024;               // set qos_upstream
-               }
-               else if( *ritr == 'K' || *ritr == 'k' ){
-                       std::string     strval = tmp.substr(0, tmp.length() - 1);
-                       unsigned long long      ullval  = boost::lexical_cast< unsigned long long > ( strval );
-                       if( ( ULLONG_MAX / 1024 ) < ullval ){
-                               std::string     buf("qos_upstream value is too big.");
-                               l7vsadm_err.setter( true, buf );
-                               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 36, buf, __FILE__, __LINE__ );
-                               return false;
-                       }
-                       elem.qos_upstream = ullval * 1024;              // set qos_upstream
-               }
-               else{
-                       elem.qos_upstream = boost::lexical_cast< unsigned long long > ( argv[pos] );    // set qos_upstream
-               }
-               if( 0ULL == elem.qos_upstream )
-                       elem.qos_upstream = ULLONG_MAX;         // clear value
-               else
-                       elem.qos_upstream /= 8;         //qos convert to bytes per sec to bit per sec
-       }
-       catch( boost::bad_lexical_cast& ex ){   // don't convert string to qos_upsatream
-               // don't conv qos upstream
-               std::string     buf("invalid qos_upstream value.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 37, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       return true;            
+//! @param[in] argument position
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_opt_vs_qosup_func(int &pos, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 10, "l7vsadm::parse_opt_vs_qosup_func", __FILE__, __LINE__);
+
+        if (++pos >= argc) {
+                // QoS upstream value is not specified.
+                std::string buf("QoS upstream value is not specified.(--qos-up)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 33, buf, __FILE__, __LINE__);
+                return false;
+        }
+        try {
+                virtualservice_element &elem = request.vs_element; // request virtualservice element reference get.
+                std::string tmp = argv[pos];
+                std::string::reverse_iterator ritr = tmp.rbegin();
+                if (*ritr == 'G' || *ritr == 'g') {
+                        std::string strval = tmp.substr(0, tmp.length() - 1);
+                        unsigned long long ullval = boost::lexical_cast<unsigned long long> (strval);
+                        if (ullval > 999) {
+                                std::string buf("QoS upstream value is too big.(--qos-up)");
+                                l7vsadm_err.setter(true, buf);
+                                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 34, buf, __FILE__, __LINE__);
+                                return false;
+                        }
+                        elem.qos_upstream = ullval * 1000 * 1000 * 1000; // set qos_upstream
+                } else if (*ritr == 'M' || *ritr == 'm') {
+                        std::string strval = tmp.substr(0, tmp.length() - 1);
+                        unsigned long long ullval = boost::lexical_cast<unsigned long long> (strval);
+                        if (ullval > 999) {
+                                std::string buf("QoS upstream value is too big.(--qos-up)");
+                                l7vsadm_err.setter(true, buf);
+                                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 35, buf, __FILE__, __LINE__);
+                                return false;
+                        }
+                        elem.qos_upstream = ullval * 1000 * 1000; // set qos_upstream
+                } else if (*ritr == 'K' || *ritr == 'k') {
+                        std::string strval = tmp.substr(0, tmp.length() - 1);
+                        unsigned long long ullval = boost::lexical_cast<unsigned long long> (strval);
+                        if (ullval > 999) {
+                                std::string buf("QoS upstream value is too big.(--qos-up)");
+                                l7vsadm_err.setter(true, buf);
+                                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 36, buf, __FILE__, __LINE__);
+                                return false;
+                        }
+                        elem.qos_upstream = ullval * 1000; // set qos_upstream
+                } else {
+                        unsigned long long ullval = boost::lexical_cast<unsigned long long> (argv[pos]);
+                        if (ullval > 999) {
+                                std::string buf("QoS upstream value is too big.(--qos-up)");
+                                l7vsadm_err.setter(true, buf);
+                                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 111, buf, __FILE__, __LINE__);
+                                return false;
+                        }
+                        elem.qos_upstream = ullval; // set qos_upstream
+                }
+                if (0ULL == elem.qos_upstream) {
+                        elem.qos_upstream = ULLONG_MAX; // clear value
+                } else {
+                        elem.qos_upstream /= 8; //qos convert to bytes per sec to bit per sec
+                }
+
+        } catch (boost::bad_lexical_cast &ex) {
+                std::string buf("invalid QoS upstream value.(--qos-up)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 37, buf, __FILE__, __LINE__);
+                return false;
+        }
+        return true;
 }
-//! virtualservice option qosdownstream functipn
-//! @param[in] argument position
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_opt_vs_qosdown_func( int& pos, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 11, "l7vsadm::parse_opt_vs_qosdown_func", __FILE__, __LINE__ );
-
-       if( ++pos >= argc ){
-               // don't target QoS downstream value
-               std::string     buf("qos_downstream value is not specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 38, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       try{
-               virtualservice_element& elem = request.vs_element;      // request virtualservice element refalence get.
-               std::string     tmp     = argv[pos];
-               std::string::reverse_iterator ritr = tmp.rbegin();
-               if( *ritr == 'G' || *ritr == 'g' ){
-                       std::string     strval = tmp.substr(0, tmp.length() - 1);
-                       unsigned long long      ullval  = boost::lexical_cast< unsigned long long > ( strval );
-                       if( ( ULLONG_MAX / 1024 / 1024 / 1024 ) < ullval ){
-                               std::string     buf("qos_downstream value is too big.");
-                               l7vsadm_err.setter( true, buf );
-                               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 39, buf, __FILE__, __LINE__ );
-                               return false;
-                       }
-                       elem.qos_downstream = ullval * 1024 * 1024 * 1024;              // set qos_upstream
-               }
-               else if( *ritr == 'M' || *ritr == 'm' ){
-                       std::string     strval = tmp.substr(0, tmp.length() - 1);
-                       unsigned long long      ullval  = boost::lexical_cast< unsigned long long > ( strval );
-                       if( ( ULLONG_MAX / 1024 / 1024 ) < ullval ){
-                               std::string     buf("qos_downstream value is too big.");
-                               l7vsadm_err.setter( true, buf );
-                               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 40, buf, __FILE__, __LINE__ );
-                               return false;
-                       }
-                       elem.qos_downstream = ullval * 1024 * 1024;             // set qos_upstream
-               }
-               else if( *ritr == 'K' || *ritr == 'k' ){
-                       std::string     strval = tmp.substr(0, tmp.length() - 1);
-                       unsigned long long      ullval  = boost::lexical_cast< unsigned long long > ( strval );
-                       if( ( ULLONG_MAX / 1024 ) < ullval ){
-                               std::string     buf("qos_downstream value is too big.");
-                               l7vsadm_err.setter( true, buf );
-                               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 41, buf, __FILE__, __LINE__ );
-                               return false;
-                       }
-                       elem.qos_downstream = ullval * 1024;            // set qos_upstream
-               }
-               else{
-                       elem.qos_downstream = boost::lexical_cast< unsigned long long > ( argv[pos] );  // set qos_downstream
-               }
-               if( 0ULL == elem.qos_downstream )
-                       elem.qos_downstream = ULLONG_MAX;               // clear value
-               else
-                       elem.qos_downstream /= 8;               //qos convert to bytes per sec to bit per sec
-       }
-       catch( boost::bad_lexical_cast& ex ){
-               // don' conv qos downstream
-               std::string     buf("invalid qos_downstream value.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 42, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       return true;
+//! virtualservice option qosdownstream function
+//! @param[in] argument position
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_opt_vs_qosdown_func(int &pos, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 11, "l7vsadm::parse_opt_vs_qosdown_func", __FILE__, __LINE__);
+
+        if (++pos >= argc) {
+                // QoS downstream value is not specified
+                std::string buf("QoS downstream value is not specified.(--qos-down)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 38, buf, __FILE__, __LINE__);
+                return false;
+        }
+        try {
+                virtualservice_element &elem = request.vs_element; // request virtualservice element reference get.
+                std::string tmp = argv[pos];
+                std::string::reverse_iterator ritr = tmp.rbegin();
+                if (*ritr == 'G' || *ritr == 'g') {
+                        std::string strval = tmp.substr(0, tmp.length() - 1);
+                        unsigned long long ullval = boost::lexical_cast<unsigned long long> (strval);
+                        if (ullval > 999) {
+                                std::string buf("QoS downstream value is too big.(--qos-down)");
+                                l7vsadm_err.setter(true, buf);
+                                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 39, buf, __FILE__, __LINE__);
+                                return false;
+                        }
+                        elem.qos_downstream = ullval * 1000 * 1000 * 1000; // set qos_upstream
+                } else if (*ritr == 'M' || *ritr == 'm') {
+                        std::string strval = tmp.substr(0, tmp.length() - 1);
+                        unsigned long long ullval = boost::lexical_cast<unsigned long long> (strval);
+                        if (ullval > 999) {
+                                std::string buf("QoS downstream value is too big.(--qos-down)");
+                                l7vsadm_err.setter(true, buf);
+                                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 40, buf, __FILE__, __LINE__);
+                                return false;
+                        }
+                        elem.qos_downstream = ullval * 1000 * 1000; // set qos_upstream
+                } else if (*ritr == 'K' || *ritr == 'k') {
+                        std::string strval = tmp.substr(0, tmp.length() - 1);
+                        unsigned long long ullval = boost::lexical_cast<unsigned long long> (strval);
+                        if (ullval > 999) {
+                                std::string buf("QoS downstream value is too big.(--qos-down)");
+                                l7vsadm_err.setter(true, buf);
+                                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 41, buf, __FILE__, __LINE__);
+                                return false;
+                        }
+                        elem.qos_downstream = ullval * 1000; // set qos_upstream
+                } else {
+                        unsigned long long ullval = boost::lexical_cast<unsigned long long> (argv[pos]);
+                        if (ullval > 999) {
+                                std::string buf("QoS downstream value is too big.(--qos-down)");
+                                l7vsadm_err.setter(true, buf);
+                                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 115, buf, __FILE__, __LINE__);
+                                return false;
+                        }
+                        elem.qos_downstream = boost::lexical_cast<unsigned long long> (argv[pos]); // set qos_downstream
+                }
+                if (0ULL == elem.qos_downstream) {
+                        elem.qos_downstream = ULLONG_MAX; // clear value
+                } else {
+                        elem.qos_downstream /= 8; //qos convert to bytes per sec to bit per sec
+                }
+        } catch (boost::bad_lexical_cast &ex) {
+                // don' conv qos downstream
+                std::string buf("invalid QoS downstream value.(--qos-down)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 42, buf, __FILE__, __LINE__);
+                return false;
+        }
+        return true;
 }
 //! virtualservice option udp func.
-//! @param[in] argument position
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_opt_vs_udp_func( int& pos, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 12, "l7vsadm::parse_opt_vs_udp_func", __FILE__, __LINE__ );
-
-       virtualservice_element& elem = request.vs_element;      // request virtualservie element reference get.
-       elem.udpmode = true;    // udpmode on.
-       boost::asio::ip::tcp::endpoint  zeropoint;
-       if( zeropoint != elem.tcp_accept_endpoint ){ // adddress tcp_acceptor endpoint
-               std::stringstream       sstream;
-               sstream << elem.tcp_accept_endpoint;
-               std::string     endpoint        = sstream.str();
-               error_code err;
-               elem.udp_recv_endpoint = string_to_endpoint<boost::asio::ip::udp>( endpoint, err );
-               if( err ){
-                       std::stringstream buf;
-                       buf << "target endpoint parse error:" << err.get_message() << endpoint;
-                       l7vsadm_err.setter( true, buf.str() );
-                       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 43, buf.str(), __FILE__, __LINE__ );
-                       return false;
-               }
-               elem.tcp_accept_endpoint = zeropoint;
-       }
-       if( elem.realserver_vector.size() != 0 && elem.realserver_vector.front().tcp_endpoint != zeropoint ){
-               std::stringstream       sstream;
-               sstream << elem.realserver_vector.front().tcp_endpoint;
-               std::string     endpoint = sstream.str();
-               error_code err;
-               elem.realserver_vector.front().udp_endpoint = string_to_endpoint< boost::asio::ip::udp > ( endpoint, err );
-               if( err ){
-                       std::stringstream buf;
-                       buf << "realserver endpoint parse error:" << err.get_message() << endpoint;
-                       l7vsadm_err.setter( true, buf.str() );
-                       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 44, buf.str(), __FILE__, __LINE__ );
-                       return false;
-               }
-               elem.realserver_vector.front().tcp_endpoint = zeropoint;
-       }
-       return true;
+//! @param[in] argument position
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_opt_vs_udp_func(int &pos, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 12, "l7vsadm::parse_opt_vs_udp_func", __FILE__, __LINE__);
+
+        virtualservice_element &elem = request.vs_element; // request virtualservice element reference get.
+        elem.udpmode = true; // udpmode on.
+        boost::asio::ip::tcp::endpoint zeropoint;
+        if (zeropoint != elem.tcp_accept_endpoint) { // address tcp_acceptor endpoint
+                std::stringstream sstream;
+                sstream << elem.tcp_accept_endpoint;
+                std::string endpoint = sstream.str();
+                error_code err;
+                elem.udp_recv_endpoint = string_to_endpoint<boost::asio::ip::udp>(endpoint, err);
+                if (err) {
+                        std::stringstream buf;
+                        buf << "target endpoint parse error(--udp-service): " << err.get_message() << endpoint;
+                        l7vsadm_err.setter(true, buf.str());
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 43, buf.str(), __FILE__, __LINE__);
+                        return false;
+                }
+                elem.tcp_accept_endpoint = zeropoint;
+        }
+        if (elem.realserver_vector.size() != 0 && elem.realserver_vector.front().tcp_endpoint != zeropoint) {
+                std::stringstream sstream;
+                sstream << elem.realserver_vector.front().tcp_endpoint;
+                std::string endpoint = sstream.str();
+                error_code err;
+                elem.realserver_vector.front().udp_endpoint = string_to_endpoint<boost::asio::ip::udp> (endpoint, err);
+                if (err) {
+                        std::stringstream buf;
+                        buf << "realserver endpoint parse error(--udp-service): " << err.get_message() << endpoint;
+                        l7vsadm_err.setter(true, buf.str());
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 44, buf.str(), __FILE__, __LINE__);
+                        return false;
+                }
+                elem.realserver_vector.front().tcp_endpoint = zeropoint;
+        }
+        return true;
+}
+//! virtualservice option ssl_file function
+//! @param[in] argument position
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_opt_vs_ssl_file_func(int &pos, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 38, "l7vsadm::parse_opt_vs_ssl_file_func", __FILE__, __LINE__);
+
+        if (++pos >= argc) {
+                std::string buf("ssl config file is not specified.(--ssl)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 90, buf, __FILE__, __LINE__);
+                return false;
+        }
+        // ssl config file check.
+        std::string conf_file_name = argv[pos];
+        if (L7VS_FILENAME_LEN < conf_file_name.length()) {
+                std::string buf("ssl config file name is too long.(--ssl)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 91, buf, __FILE__, __LINE__);
+                return false;
+        }
+        FILE *fp;
+        if ((fp = fopen(conf_file_name.c_str(), "r")) == NULL) {
+                std::string buf("ssl config file cannot open.(--ssl)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 92, buf, __FILE__, __LINE__);
+                return false;
+        }
+        fclose(fp);
+
+        request.vs_element.ssl_file_name = conf_file_name;
+        return true;
+}
+
+//! virtualservice option access log function
+//! @param[in] argument position
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_opt_vs_access_log_func(int &pos, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 39, "l7vsadm::parse_opt_vs_access_log_func", __FILE__, __LINE__);
+
+        if (++pos >= argc) {
+                // access log flag is not specified
+                std::string buf("access log flag value is not specified.(--access-log)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 93, buf, __FILE__, __LINE__);
+                return false;
+        }
+        try {
+                int tmp = boost::lexical_cast<int>(argv[pos]);
+                if ((0 != tmp) && (1 != tmp)) {
+                        std::string buf("invalid access log flag value.(--access-log)");
+                        l7vsadm_err.setter(true, buf);
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 94, buf, __FILE__, __LINE__);
+                        return false;
+                }
+                request.vs_element.access_log_flag = tmp;
+        } catch (boost::bad_lexical_cast &e) {
+                std::string buf("invalid access log flag value.(--access-log)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 95, buf, __FILE__, __LINE__);
+                return false;
+        }
+        return true;
 }
-//! virtualservice option ssl function
-//! @param[in] argument position
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_opt_vs_ssl_func( int& pos, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 999, "l7vsadm::parse_opt_vs_ssl_func", __FILE__, __LINE__ );
-
-       if( ++pos >= argc ){
-               std::string     buf("ssl config filename is not specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 999, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       // ssl config file check.
-       std::string conf_filename = argv[pos];
-       if( L7VS_FILENAME_LEN < conf_filename.length() ){
-               std::string buf("ssl config filename is too long.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 999, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       FILE  *fp;
-       if ((fp = fopen(conf_filename.c_str(), "r")) == NULL) {
-               std::string buf("ssl config file cannot open.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 999, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       fclose(fp);
-       request.vs_element.ssl_conf_filename = conf_filename;
-       request.vs_element.ssl_flag = 1;
-       return true;
+
+//! virtualservice option access_log_logrotate function
+//! @param[in] argument position
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_opt_vs_access_log_logrotate_func(int &pos, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 40, "l7vsadm::parse_opt_vs_accesslog_logrotate_func", __FILE__, __LINE__);
+
+        if (++pos >= argc) {
+                std::string buf("access log file is not specified.(--access-log-name)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 96, buf, __FILE__, __LINE__);
+                return false;
+        }
+        // access log file check.
+        std::string access_log_file_name = argv[pos];
+        if (L7VS_FILENAME_LEN < access_log_file_name.length()) {
+                std::string buf("access log file name is too long.(--access-log-name)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 97, buf, __FILE__, __LINE__);
+                return false;
+        }
+        if ("/" != access_log_file_name.substr(0, 1)) {
+                std::string buf("please specify access log filename in fullpath.(--access-log-name)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 98, buf, __FILE__, __LINE__);
+                return false;
+        }
+
+        request.vs_element.access_log_rotate_key_info = "";
+
+        // create access log args.
+        std::vector<std::string> arguments_vector;
+        virtualservice_element::access_log_rotate_arguments_map_type arguments_map;
+        while (true) {
+                if (++pos == argc) break; //access log arguments end.
+                parse_opt_map_type::iterator vsitr = vs_option_dic.find(argv[pos]);
+                if (vsitr != vs_option_dic.end()) {
+                        --pos; // back for next option
+                        break; // module option end.
+                }
+                arguments_vector.push_back(argv[pos]);
+
+                request.vs_element.access_log_rotate_key_info += argv[pos];
+                request.vs_element.access_log_rotate_key_info += " ";
+
+        }
+        boost::algorithm::erase_last(request.vs_element.access_log_rotate_key_info , " ");
+
+        if (0 < arguments_vector.size()) {
+                if (0 == (arguments_vector.size() % 2)) {
+                        for (unsigned int i = 0; i < (arguments_vector.size() - 1); ++i) {
+                                std::pair<virtualservice_element::access_log_rotate_arguments_map_type::iterator, bool> ret =
+                                        arguments_map.insert(
+                                                virtualservice_element::access_log_rotate_arguments_pair_type(
+                                                        arguments_vector[i], arguments_vector[i+1]));
+                                if (!ret.second) {
+                                        std::string buf("access log rotation argument is duplicated.(--access-log-name)");
+                                        l7vsadm_err.setter(true, buf);
+                                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 99, buf, __FILE__, __LINE__);
+                                        return false;
+                                }
+                                ++i;
+                        }
+                } else {
+                        std::string buf("access log rotation argument error.(--access-log-name)");
+                        l7vsadm_err.setter(true, buf);
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 100, buf, __FILE__, __LINE__);
+                        return false;
+                }
+                bool ret = logger_access_manager::getInstance().access_log_logrotate_parameter_check(arguments_map);
+                if (!ret) {
+                        std::string buf("access log rotation argument error.(--access-log-name)");
+                        l7vsadm_err.setter(true, buf);
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 101, buf, __FILE__, __LINE__);
+                        return false;
+                }
+        }
+
+        request.vs_element.access_log_file_name = access_log_file_name;
+        request.vs_element.access_log_rotate_arguments.clear();
+        BOOST_FOREACH(virtualservice_element::access_log_rotate_arguments_pair_type pair, arguments_map) {
+                request.vs_element.access_log_rotate_arguments.insert(pair);
+        }
+
+        return true;
+}
+
+//! virtualservice option socket function
+//! @param[in] argument position
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_opt_vs_socket_func(int &pos, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 41, "l7vsadm::parse_opt_vs_socket_func", __FILE__, __LINE__);
+
+        if (++pos >= argc) {
+                std::string buf("socket option is not specified.(--sockopt)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 102, buf, __FILE__, __LINE__);
+                return false;
+        }
+
+        bool is_set_defer_accept = false;
+        bool is_set_nodelay = false;
+        bool is_set_cork = false;
+        bool is_set_quickack = false;
+
+        request.vs_element.socket_option_tcp_defer_accept = 0;
+        request.vs_element.socket_option_tcp_nodelay = 0;
+        request.vs_element.socket_option_tcp_cork = 0;
+        request.vs_element.socket_option_tcp_quickack = 0;
+
+        std::string socket_option_string = argv[pos];
+        std::vector<std::string> socket_options;
+        boost::split(socket_options, socket_option_string, boost::algorithm::is_any_of(","));
+
+        BOOST_FOREACH(std::string option, socket_options) {
+                if (option == "deferaccept") {
+                        if (!is_set_defer_accept) {
+                                is_set_defer_accept = true;
+                                request.vs_element.socket_option_tcp_defer_accept = 1;
+                        } else {
+                                // defer_accept is duplicated
+                                std::stringstream buf;
+                                buf << "socket option deferaccept is duplicated.(--sockopt)";
+                                l7vsadm_err.setter(true, buf.str());
+                                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 103, buf.str(), __FILE__, __LINE__);
+                                return false;
+                        }
+                } else if (option == "nodelay") {
+                        if (!is_set_nodelay) {
+                                is_set_nodelay = true;
+                                request.vs_element.socket_option_tcp_nodelay = 1;
+                        } else {
+                                // nodelay is duplicated
+                                std::stringstream buf;
+                                buf << "socket option nodelay is duplicated.(--sockopt)";
+                                l7vsadm_err.setter(true, buf.str());
+                                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 104, buf.str(), __FILE__, __LINE__);
+                                return false;
+                        }
+                } else if (option == "cork") {
+                        if (!is_set_cork) {
+                                is_set_cork = true;
+                                request.vs_element.socket_option_tcp_cork = 1;
+                        } else {
+                                // cork is duplicated
+                                std::stringstream buf;
+                                buf << "socket option cork is duplicated.(--sockopt)";
+                                l7vsadm_err.setter(true, buf.str());
+                                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 105, buf.str(), __FILE__, __LINE__);
+                                return false;
+                        }
+                } else if (option == "quickackon" || option == "quickackoff") {
+                        if (!is_set_quickack) {
+                                is_set_quickack = true;
+                                request.vs_element.socket_option_tcp_quickack = ((option == "quickackon") ? 1 : 2);
+                        } else {
+                                // quickack is duplicated
+                                std::stringstream buf;
+                                buf << "socket option quickack is duplicated.(--sockopt)";
+                                l7vsadm_err.setter(true, buf.str());
+                                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 106, buf.str(), __FILE__, __LINE__);
+                                return false;
+                        }
+                } else {
+                        // unknown socket option
+                        std::stringstream buf;
+                        buf << "unknown socket option.(--sockopt)";
+                        l7vsadm_err.setter(true, buf.str());
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 107, buf.str(), __FILE__, __LINE__);
+                        return false;
+                }
+        }
+
+        request.vs_element.socket_option_string = socket_option_string;
+        return true;
+
 }
 //! realserver command parsing.
-//! @param[in] request command
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_rs_func( l7vs::l7vsadm_request::COMMAND_CODE_TAG cmd, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 13, "l7vsadm::parse_rs_func", __FILE__, __LINE__ );
-
-       request.command = cmd;
-       request.vs_element.realserver_vector.push_back( realserver_element() );
-       for( int pos = 2; pos < argc; ++pos ){
-               parse_opt_map_type::iterator itr = rs_option_dic.find( argv[pos] );
-               if( itr != rs_option_dic.end() ){
-                       if( ! itr->second( pos, argc, argv ) ) return false;
-               }
-               else{
-                       std::stringstream buf;
-                       buf << "realserver option not found:" << argv[pos];
-                       l7vsadm_err.setter( true, buf.str() );
-                       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 45, buf.str(), __FILE__, __LINE__ );
-                       return false;
-               }
-       }
-
-       if( request.vs_element.protocol_module_name.length() == 0 ){
-               //protocol module name error
-               std::string     buf("protocol module not specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 46, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       if( request.vs_element.udpmode ){
-               if( request.vs_element.udp_recv_endpoint == boost::asio::ip::udp::endpoint() ){
-                       // udp mode,but not acceptor endpoint
-                       std::string     buf("udp recv endpoint not specified.");
-                       l7vsadm_err.setter( true, buf );
-                       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 47, buf, __FILE__, __LINE__ );
-                       return false;
-               }
-               if( request.vs_element.realserver_vector.front().udp_endpoint == boost::asio::ip::udp::endpoint() ){
-                       // udp mode,but not realserver endpoint
-                       std::string     buf("realserver udp endpoint not specified.");
-                       l7vsadm_err.setter( true, buf );
-                       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 48, buf, __FILE__, __LINE__ );
-                       return false;
-               }
-       }
-       else{
-               if( request.vs_element.tcp_accept_endpoint == boost::asio::ip::tcp::endpoint() ){
-                       // tcp mode, but not acceptor endpoint
-                       std::string     buf("tcp accpeptor endpoint not specified.");
-                       l7vsadm_err.setter( true, buf );
-                       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 49, buf, __FILE__, __LINE__ );
-                       return false;
-               }
-               if( request.vs_element.realserver_vector.front().tcp_endpoint == boost::asio::ip::tcp::endpoint() ){
-                       // tcp mode,but not realserver endpoint
-                       std::string     buf("realserver tcp endpoint not specified.");
-                       l7vsadm_err.setter( true, buf );
-                       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 50, buf, __FILE__, __LINE__ );
-                       return false;
-               }
-       }
-       // realserver weight default value = 1
-       if( -1 == request.vs_element.realserver_vector.front().weight ){
-               request.vs_element.realserver_vector.front().weight = 1;
-       }
-
-       return true;
+//! @param[in] request command
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_rs_func(l7vs::l7vsadm_request::COMMAND_CODE_TAG cmd, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 13, "l7vsadm::parse_rs_func", __FILE__, __LINE__);
+
+        if (argc < 8) {
+                //argument num err
+                std::stringstream buf;
+                buf << "Argument argc is illegal for ";
+                buf << argv[1];
+                buf << " command.";
+
+                l7vsadm_err.setter(true, buf.str());
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 121, buf.str(), __FILE__, __LINE__);
+                return false;
+        }
+
+        request.command = cmd;
+
+        request.vs_element.realserver_vector.push_back(realserver_element());
+
+        std::map<std::string, int> count_map;
+        for (parse_opt_map_type::iterator itr = rs_option_dic.begin() ;
+             itr != rs_option_dic.end() ; ++itr) {
+                count_map[ itr->first ] = 0;
+        }
+
+        for (int pos = 2; pos < argc; ++pos) {
+                parse_opt_map_type::iterator itr = rs_option_dic.find(argv[pos]);
+                if (itr != rs_option_dic.end()) {
+                        count_map[ itr->first ]++;
+                        if (! itr->second(pos, argc, argv)) return false;
+                } else {
+                        std::stringstream buf;
+                        buf << "realserver option not found(--real-server): " << argv[pos];
+                        l7vsadm_err.setter(true, buf.str());
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 45, buf.str(), __FILE__, __LINE__);
+                        return false;
+                }
+        }
+
+        if (request.vs_element.protocol_module_name.length() == 0) {
+                //protocol module name error
+                std::string buf("protocol module is not specified.(--proto-module)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 46, buf, __FILE__, __LINE__);
+                return false;
+        }
+        if (request.vs_element.udpmode) {
+                if (request.vs_element.udp_recv_endpoint == boost::asio::ip::udp::endpoint()) {
+                        // udp mode,but not acceptor endpoint
+                        std::string buf("udp receive endpoint is not specified.(--udp-service)");
+                        l7vsadm_err.setter(true, buf);
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 47, buf, __FILE__, __LINE__);
+                        return false;
+                }
+                if (request.vs_element.realserver_vector.front().udp_endpoint == boost::asio::ip::udp::endpoint()) {
+                        // udp mode,but not realserver endpoint
+                        std::string buf("realserver udp endpoint is not specified.(--real-server)");
+                        l7vsadm_err.setter(true, buf);
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 48, buf, __FILE__, __LINE__);
+                        return false;
+                }
+        } else {
+                if (request.vs_element.tcp_accept_endpoint == boost::asio::ip::tcp::endpoint()) {
+                        // tcp mode, but not acceptor endpoint
+                        std::string buf("tcp accpeptor endpoint not specified.(--tcp-service)");
+                        l7vsadm_err.setter(true, buf);
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 49, buf, __FILE__, __LINE__);
+                        return false;
+                }
+                if (request.vs_element.realserver_vector.front().tcp_endpoint == boost::asio::ip::tcp::endpoint()) {
+                        // tcp mode,but not realserver endpoint
+                        std::string buf("realserver tcp endpoint not specified.(--real-server)");
+                        l7vsadm_err.setter(true, buf);
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 50, buf, __FILE__, __LINE__);
+                        return false;
+                }
+        }
+
+        if (l7vsadm_request::CMD_EDIT_RS != cmd) {
+                // realserver weight default value = 1
+                if (-1 == request.vs_element.realserver_vector.front().weight) {
+                        request.vs_element.realserver_vector.front().weight = 1;
+                }
+                // realserver forward mode default value = FWD_MASQ
+                if (realserver_element::FWD_NONE == request.vs_element.realserver_vector.front().fwdmode) {
+                        request.vs_element.realserver_vector.front().fwdmode = realserver_element::FWD_MASQ;
+                }
+        } else {
+                // Existence check of the parameter
+                if (count_map["-w"] == 0 &&
+                    count_map["--weight"] == 0 &&
+                    count_map["-M"] == 0 &&
+                    count_map["--masq"] == 0 &&
+                    count_map["-T"] == 0 &&
+                    count_map["--tproxy"] == 0) {
+                        std::string buf("All option omitted for edit rs command.");
+                        l7vsadm_err.setter(true, buf);
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 112, buf, __FILE__, __LINE__);
+                        return false;
+                }
+        }
+
+        //conflict check
+        std::string conflict_option_name;
+        bool is_conflict = false;
+
+        for (std::map<std::string, int>::iterator itr = count_map.begin() ;
+             itr != count_map.end() ; ++itr) {
+                if (itr->second > 1) {
+                        conflict_option_name = itr->first;
+                        is_conflict = true;
+                        break;
+                }
+        }
+
+        if (is_conflict == false &&
+            count_map["-t"] == 1 && count_map["--tcp-service"] == 1) {
+                //-t(--tcp-service)
+                conflict_option_name = "--tcp-service";
+                is_conflict = true;
+        }
+        if (is_conflict == false &&
+            count_map["-m"] == 1 && count_map["--proto-module"] == 1) {
+                //-m(--proto-module)
+                conflict_option_name = "--proto-module";
+                is_conflict = true;
+        }
+        if (is_conflict == false &&
+            count_map["-r"] == 1 && count_map["--real-server"] == 1) {
+                //-r(--real-server)
+                conflict_option_name = "--real-server";
+                is_conflict = true;
+        }
+        if ((is_conflict == false) &&
+            (count_map["-w"] == 1) && (count_map["--weight"] == 1) &&
+            (l7vsadm_request::CMD_DEL_RS != cmd)) {
+                //-w(--weight)
+                conflict_option_name = "--weight";
+                is_conflict = true;
+        }
+        if ((is_conflict == false) &&
+            (count_map["-M"] == 1) && (count_map["--masq"] == 1) &&
+            (l7vsadm_request::CMD_DEL_RS != cmd)) {
+                //-M(--masq)
+                conflict_option_name = "--masq";
+                is_conflict = true;
+        }
+        if ((is_conflict == false) &&
+            (count_map["-T"] == 1) && (count_map["--tproxy"] == 1) &&
+            (l7vsadm_request::CMD_DEL_RS != cmd)) {
+                //-T(--tproxy)
+                conflict_option_name = "--tproxy";
+                is_conflict = true;
+        }
+        if ((is_conflict == false) &&
+            count_map["-M"] + count_map["--masq"] +
+            count_map["-T"] + count_map["--tproxy"] > 1 &&
+            (l7vsadm_request::CMD_DEL_RS != cmd)) {
+                //-M/T(--masq/tproxy)
+                conflict_option_name = "--masq/tproxy";
+                is_conflict = true;
+        }
+
+        if (is_conflict == true) {
+                std::stringstream buf;
+                buf << "Option " << conflict_option_name << " is conflict.";
+                l7vsadm_err.setter(true, buf.str());
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 122, buf.str(), __FILE__, __LINE__);
+                return false;
+        }
+
+        return true;
 }
 //
 // realserver option functions.
 //
 //! realserver weight set
-//! @param[in] argument position
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_opt_rs_weight_func( int& pos, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 14, "l7vsadm::parse_opt_rs_weight_func", __FILE__, __LINE__ );
-
-       if( ++pos >= argc ){
-               //don't target weight value
-               std::string     buf("weight value is not specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 51, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       try{
-               request.vs_element.realserver_vector.front().weight = boost::lexical_cast<int>( argv[pos] );
-               if( ( 0 > request.vs_element.realserver_vector.front().weight ) ||
-                       ( 100 < request.vs_element.realserver_vector.front().weight ) ){
-                       std::string     buf("invalid weight value.");
-                       l7vsadm_err.setter( true, buf );
-                       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 52, buf, __FILE__, __LINE__ );
-                       return false;
-               }
-       }
-       catch( boost::bad_lexical_cast& ex ){
-               // lexical cast error
-               std::string     buf("invalid weight value.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 53, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       return true;
+//! @param[in] argument position
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_opt_rs_weight_func(int &pos, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 14, "l7vsadm::parse_opt_rs_weight_func", __FILE__, __LINE__);
+
+        if (++pos >= argc) {
+                // weight value is not specified
+                std::string buf("weight value is not specified.(--weight)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 51, buf, __FILE__, __LINE__);
+                return false;
+        }
+        try {
+                request.vs_element.realserver_vector.front().weight = boost::lexical_cast<int>(argv[pos]);
+                if ((0 > request.vs_element.realserver_vector.front().weight) ||
+                    (100 < request.vs_element.realserver_vector.front().weight)) {
+                        std::string buf("invalid weight value.(--weight)");
+                        l7vsadm_err.setter(true, buf);
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 52, buf, __FILE__, __LINE__);
+                        return false;
+                }
+        } catch (boost::bad_lexical_cast &ex) {
+                // lexical cast error
+                std::string buf("invalid weight value.(--weight)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 53, buf, __FILE__, __LINE__);
+                return false;
+        }
+        return true;
+}
+//! realserver forward mode set
+//! @param[in] argument position
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_opt_rs_fwdmode_func(int &pos, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, /*XXX*/999, "l7vsadm::parse_opt_rs_fwdmode_func", __FILE__, __LINE__);
+
+        std::string opt(argv[pos]);
+        if (opt == "-M" || opt == "--masq") {
+                request.vs_element.realserver_vector.front().fwdmode = realserver_element::FWD_MASQ;
+        } else if (opt == "-T" || opt == "--tproxy") {
+#ifdef IP_TRANSPARENT
+                request.vs_element.realserver_vector.front().fwdmode = realserver_element::FWD_TPROXY;
+#else
+                std::stringstream buf("tproxy(IP_TRANSPARENT) not supported on this platform.");
+                l7vsadm_err.setter(true, buf.str());
+                Logger::putLogInfo(LOG_CAT_L7VSADM_PARSE, /*XXX*/999, buf.str(), __FILE__, __LINE__);
+                return false;
+#endif
+        } else {
+                // should never come here
+                std::stringstream buf;
+                buf << boost::format("unknown realserver forward mode specified.(%s)") % opt;
+                l7vsadm_err.setter(true, buf.str());
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, /*XXX*/999, buf.str(), __FILE__, __LINE__);
+                return false;
+        }
+        return true;
+
 }
 //! realserver target set
-//! @param[in] argument position
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_opt_rs_realserver_func( int& pos, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 15, "l7vsadm::parse_opt_rs_realserver_func", __FILE__, __LINE__ );
-
-       if( ++pos >= argc ){
-               // don't target realserver address
-               std::string     buf("realserver address is not specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 54, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       std::string     src_str = argv[pos];
-       if( request.vs_element.udpmode ){
-               error_code err;
-               request.vs_element.realserver_vector.front().udp_endpoint = string_to_endpoint< boost::asio::ip::udp >( src_str, err );
-               if ( err ){
-                       // address string error.
-                       std::stringstream buf;
-                       buf << "realserver endpoint parse error:" << err.get_message() << src_str;
-                       l7vsadm_err.setter( true, buf.str() );
-                       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 55, buf.str(), __FILE__, __LINE__ );
-                       return false;
-               }
-               check_endpoint<boost::asio::ip::udp>( request.vs_element.realserver_vector.front().udp_endpoint, err );
-               if ( err ){
-                       std::stringstream buf;
-                       buf << "realserver endpoint parse error:" << err.get_message() << src_str;
-                       l7vsadm_err.setter( true, buf.str() );
-                       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 56, buf.str(), __FILE__, __LINE__ );
-                       return false;
-               }
-       }
-       else{
-               error_code err;
-               request.vs_element.realserver_vector.front().tcp_endpoint = string_to_endpoint< boost::asio::ip::tcp >( src_str, err );
-               if ( err ){
-                       // address string error.
-                       std::stringstream buf;
-                       buf << "realserver endpoint parse error:" << err.get_message() << src_str;
-                       l7vsadm_err.setter( true, buf.str() );
-                       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 57, buf.str(), __FILE__, __LINE__ );
-                       return false;
-               }
-               check_endpoint<boost::asio::ip::tcp>( request.vs_element.realserver_vector.front().tcp_endpoint, err );
-               if ( err ){
-                       std::stringstream buf;
-                       buf << "realserver endpoint parse error:" << err.get_message() << src_str;
-                       l7vsadm_err.setter( true, buf.str() );
-                       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 58, buf.str(), __FILE__, __LINE__ );
-                       return false;
-               }
-       }
-       return true;
+//! @param[in] argument position
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_opt_rs_realserver_func(int &pos, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 15, "l7vsadm::parse_opt_rs_realserver_func", __FILE__, __LINE__);
+
+        if (++pos >= argc) {
+                // realserver address is not specified
+                std::string buf("realserver address is not specified.(--real-server)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 54, buf, __FILE__, __LINE__);
+                return false;
+        }
+        std::string src_str = argv[pos];
+        if (request.vs_element.udpmode) {
+                error_code err;
+                request.vs_element.realserver_vector.front().udp_endpoint = string_to_endpoint<boost::asio::ip::udp>(src_str, err);
+                if (err) {
+                        // address string error.
+                        std::stringstream buf;
+                        buf << "realserver endpoint parse error(--real-server): " << err.get_message() << src_str;
+                        l7vsadm_err.setter(true, buf.str());
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 55, buf.str(), __FILE__, __LINE__);
+                        return false;
+                }
+                check_endpoint<boost::asio::ip::udp>(request.vs_element.realserver_vector.front().udp_endpoint, false, err);
+                if (err) {
+                        std::stringstream buf;
+                        buf << "realserver endpoint parse error(--real-server): " << err.get_message() << src_str;
+                        l7vsadm_err.setter(true, buf.str());
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 56, buf.str(), __FILE__, __LINE__);
+                        return false;
+                }
+        } else {
+                error_code err;
+                request.vs_element.realserver_vector.front().tcp_endpoint = string_to_endpoint<boost::asio::ip::tcp>(src_str, err);
+                if (err) {
+                        // address string error.
+                        std::stringstream buf;
+                        buf << "realserver endpoint parse error(--real-server): " << err.get_message() << src_str;
+                        l7vsadm_err.setter(true, buf.str());
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 57, buf.str(), __FILE__, __LINE__);
+                        return false;
+                }
+                check_endpoint<boost::asio::ip::tcp>(request.vs_element.realserver_vector.front().tcp_endpoint, false, err);
+                if (err) {
+                        std::stringstream buf;
+                        buf << "realserver endpoint parse error(--real-server): " << err.get_message() << src_str;
+                        l7vsadm_err.setter(true, buf.str());
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 58, buf.str(), __FILE__, __LINE__);
+                        return false;
+                }
+        }
+        return true;
 }
-       
+
 //! replication command parsing.
-//! @param[in] request command
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_replication_func( l7vs::l7vsadm_request::COMMAND_CODE_TAG cmd, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 16, "l7vsadm::parse_replication_func", __FILE__, __LINE__ );
-
-       request.command = cmd;
-       for( int pos = 2; pos < argc; ++pos ){
-               parse_opt_map_type::iterator itr = replication_option_dic.find( argv[pos] );
-               if( itr != replication_option_dic.end() ){
-                       if( ! itr->second( pos, argc, argv ) ) return false;
-               }
-               else{
-                       std::stringstream buf;
-                       buf << "replication option not found:" << argv[pos];
-                       l7vsadm_err.setter( true, buf.str() );
-                       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 59, buf.str(), __FILE__, __LINE__ );
-                       return false;
-               }
-       }
-       if( l7vsadm_request::REP_NONE == request.replication_command ){
-               // not specified replication command
-               std::string     buf("replication command not specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 60, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       return true;
+//! @param[in] request command
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_replication_func(l7vs::l7vsadm_request::COMMAND_CODE_TAG cmd, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 16, "l7vsadm::parse_replication_func", __FILE__, __LINE__);
+
+        if (argc < 3 || argc > 4) {
+                //argument num err
+                std::stringstream buf;
+                buf << "Argument argc is illegal for ";
+                buf << argv[1];
+                buf << " command.";
+
+                l7vsadm_err.setter(true, buf.str());
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 123, buf.str(), __FILE__, __LINE__);
+                return false;
+        }
+
+        request.command = cmd;
+
+        for (int pos = 2; pos < argc; ++pos) {
+                parse_opt_map_type::iterator itr = replication_option_dic.find(argv[pos]);
+                if (itr != replication_option_dic.end()) {
+                        if (! itr->second(pos, argc, argv)) return false;
+                } else {
+                        std::stringstream buf;
+                        buf << "replication option not found(--replication): " << argv[pos];
+                        l7vsadm_err.setter(true, buf.str());
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 59, buf.str(), __FILE__, __LINE__);
+                        return false;
+                }
+        }
+        if (l7vsadm_request::REP_NONE == request.replication_command) {
+                // not specified replication command
+                std::string buf("replication command not specified.(--replication)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 60, buf, __FILE__, __LINE__);
+                return false;
+        }
+
+        return true;
 }
 
 //
-//     replication option functions.
+// replication option functions.
 //
 //! replication switch function
-//! @param[in] argument position
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_opt_replication_switch_func( int& pos, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 17, "l7vsadm::parse_opt_replication_switch_func", __FILE__, __LINE__ );
-
-       if( request.replication_command != l7vsadm_request::REP_NONE ){ 
-               // double command target.
-               std::string     buf("replication option is double specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 61, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       if( ++pos >= argc ){
-               // don't target replication switch value
-               std::string     buf("replication switch option is not specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 62, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       parse_opt_map_type::iterator itr = replication_switch_option_dic.find( argv[pos] );
-       if( itr != replication_switch_option_dic.end() ){       // option string function find.
-               if( ! itr->second( pos, argc, argv ) ) return false;    // option string function error.
-       }
-       else{   //option string function don't find.
-               // print option not found message.
-               std::stringstream buf;
-               buf << "replication switch option not found:" << argv[pos];
-               l7vsadm_err.setter( true, buf.str() );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 63, buf.str(), __FILE__, __LINE__ );
-               return false;
-       }
-       return true;
+//! @param[in] argument position
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_opt_replication_switch_func(int &pos, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 17, "l7vsadm::parse_opt_replication_switch_func", __FILE__, __LINE__);
+
+        if (request.replication_command != l7vsadm_request::REP_NONE) {
+                // double command target.
+                std::string buf("replication option is double specified.(--switch)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 61, buf, __FILE__, __LINE__);
+                return false;
+        }
+        if (++pos >= argc) {
+                // replication switch value is not specified
+                std::string buf("replication switch option is not specified.(--switch)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 62, buf, __FILE__, __LINE__);
+                return false;
+        }
+        parse_opt_map_type::iterator itr = replication_switch_option_dic.find(argv[pos]);
+        if (itr != replication_switch_option_dic.end()) { // option string function find.
+                if (! itr->second(pos, argc, argv)) return false; // option string function error.
+        } else { //option string function not found.
+                // print option not found message.
+                std::stringstream buf;
+                buf << "replication switch option not found(--switch): " << argv[pos];
+                l7vsadm_err.setter(true, buf.str());
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 63, buf.str(), __FILE__, __LINE__);
+                return false;
+        }
+        return true;
 }
 //! replication start function
-//! @param[in] argument position
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_opt_replication_start_func( int& pos, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 18, "l7vsadm::parse_opt_replication_start_func", __FILE__, __LINE__ );
-
-       request.replication_command = l7vsadm_request::REP_START;
-       return true;
+//! @param[in] argument position
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_opt_replication_start_func(int &pos, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 18, "l7vsadm::parse_opt_replication_start_func", __FILE__, __LINE__);
+
+        request.replication_command = l7vsadm_request::REP_START;
+        return true;
 }
 //! replication stop function
-//! @param[in] argument position
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_opt_replication_stop_func( int& pos, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 19, "l7vsadm::parse_opt_replication_stop_func", __FILE__, __LINE__ );
-
-       request.replication_command = l7vsadm_request::REP_STOP;
-       return true;
+//! @param[in] argument position
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_opt_replication_stop_func(int &pos, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 19, "l7vsadm::parse_opt_replication_stop_func", __FILE__, __LINE__);
+
+        request.replication_command = l7vsadm_request::REP_STOP;
+        return true;
 }
 //! replication force function
-//! @param[in] argument position
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_opt_replication_force_func( int& pos, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 20, "l7vsadm::parse_opt_replication_force_func", __FILE__, __LINE__ );
-
-       if( request.replication_command != l7vsadm_request::REP_NONE ){ 
-               // double command target.
-               std::string     buf("replication option is double specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 64, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       request.replication_command = l7vsadm_request::REP_FORCE;
-       return true;
+//! @param[in] argument position
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_opt_replication_force_func(int &pos, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 20, "l7vsadm::parse_opt_replication_force_func", __FILE__, __LINE__);
+
+        if (request.replication_command != l7vsadm_request::REP_NONE) {
+                // double command target.
+                std::string buf("replication option is double specified.(--force)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 64, buf, __FILE__, __LINE__);
+                return false;
+        }
+        request.replication_command = l7vsadm_request::REP_FORCE;
+        return true;
 }
 //! replication dump function
-//! @param[in] argument position
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_opt_replication_dump_func( int& pos, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 21, "l7vsadm::parse_opt_replication_dump_func", __FILE__, __LINE__ );
-
-       if( request.replication_command != l7vsadm_request::REP_NONE ){ 
-               // double command target.
-               std::string     buf("replication option is double specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 65, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       request.replication_command = l7vsadm_request::REP_DUMP;
-       return true;
+//! @param[in] argument position
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_opt_replication_dump_func(int &pos, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 21, "l7vsadm::parse_opt_replication_dump_func", __FILE__, __LINE__);
+
+        if (request.replication_command != l7vsadm_request::REP_NONE) {
+                // double command target.
+                std::string buf("replication option is double specified.(--dump)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 65, buf, __FILE__, __LINE__);
+                return false;
+        }
+        request.replication_command = l7vsadm_request::REP_DUMP;
+        return true;
 }
 
 //! log command parsing.
-//! @param[in] request command
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_log_func( l7vs::l7vsadm_request::COMMAND_CODE_TAG cmd, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 22, "l7vsadm::parse_log_func", __FILE__, __LINE__ );
-
-       request.command = cmd;
-       for( int pos = 2; pos < argc; ++pos ){
-               parse_opt_map_type::iterator itr = log_option_dic.find( argv[pos] );
-               if( itr != log_option_dic.end() ){      // option string function find.
-                       if( ! itr->second( pos, argc, argv ) ) return false;    // option string function error.
-               }
-               else{   //option string function don't find.
-                       // print option not found message.
-                       std::stringstream buf;
-                       buf << "log option not found:" << argv[pos];
-                       l7vsadm_err.setter( true, buf.str() );
-                       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 66, buf.str(), __FILE__, __LINE__ );
-                       return false;
-               }
-       }
-       if( LOG_CAT_NONE == request.log_category ){
-               // not specified logcategory
-               std::string     buf("logcategory not specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 67, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       if( LOG_LV_NONE == request.log_level ){
-               // not specified loglevel
-               std::string     buf("loglevel not specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 68, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       return true;
+//! @param[in] request command
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_log_func(l7vs::l7vsadm_request::COMMAND_CODE_TAG cmd, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 22, "l7vsadm::parse_log_func", __FILE__, __LINE__);
+
+        if (argc != 6) {
+                //argument num err
+                std::stringstream buf;
+                buf << "Argument argc is illegal for ";
+                buf << argv[1];
+                buf << " command.";
+
+                l7vsadm_err.setter(true, buf.str());
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 124, buf.str(), __FILE__, __LINE__);
+                return false;
+        }
+
+        request.command = cmd;
+
+        for (int pos = 2; pos < argc; ++pos) {
+                parse_opt_map_type::iterator itr = log_option_dic.find(argv[pos]);
+                if (itr != log_option_dic.end()) { // option string function find.
+                        if (! itr->second(pos, argc, argv)) return false; // option string function error.
+                } else { //option string function not found.
+                        // print option not found message.
+                        std::stringstream buf;
+                        buf << "log option not found(--log): " << argv[pos];
+                        l7vsadm_err.setter(true, buf.str());
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 66, buf.str(), __FILE__, __LINE__);
+                        return false;
+                }
+        }
+        if (LOG_CAT_NONE == request.log_category) {
+                // not specified logcategory
+                std::string buf("log category is not specified(--category).");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 67, buf, __FILE__, __LINE__);
+                return false;
+        }
+        if (LOG_LV_NONE == request.log_level) {
+                // not specified loglevel
+                std::string buf("log level is not specified.(--level)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 68, buf, __FILE__, __LINE__);
+                return false;
+        }
+
+        return true;
 }
 //
-//     log option function
+// log option function
 //
 //! log category set function
-//! @param[in] argument position
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_opt_log_category_func( int& pos, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 23, "l7vsadm::parse_opt_log_category_func", __FILE__, __LINE__ );
-
-       if( request.log_category != LOG_CAT_NONE ){
-               // double target commands.
-               std::string     buf("logcategory is double specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 69, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       if( ++pos >= argc ){
-               // don't target logcategory
-               std::string     buf("logcategory is not specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 70, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       string_logcategory_map_type::iterator itr = string_logcategory_dic.find( argv[pos] );
-       if( itr != string_logcategory_dic.end() ){
-               request.log_category = itr->second;
-               return true;
-       }
-       std::stringstream buf;
-       buf << "logcategory not found:" << argv[pos];
-       l7vsadm_err.setter( true, buf.str() );
-       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 71, buf.str(), __FILE__, __LINE__ );
-       return false;
+//! @param[in] argument position
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_opt_log_category_func(int &pos, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 23, "l7vsadm::parse_opt_log_category_func", __FILE__, __LINE__);
+
+        if (request.log_category != LOG_CAT_NONE) {
+                // double target commands.
+                std::stringstream buf;
+                buf << "Option ";
+                buf << argv[pos];
+                buf << " conflict.";
+
+                l7vsadm_err.setter(true, buf.str());
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 69, buf.str(), __FILE__, __LINE__);
+                return false;
+        }
+        if (++pos >= argc) {
+                // log category is not specified.
+                std::string buf("log category is not specified.(--category)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 70, buf, __FILE__, __LINE__);
+                return false;
+        }
+        string_logcategory_map_type::iterator itr = string_logcategory_dic.find(argv[pos]);
+        if (itr != string_logcategory_dic.end()) {
+                request.log_category = itr->second;
+                return true;
+        }
+        std::stringstream buf;
+        buf << "log category not found(--category): " << argv[pos];
+        l7vsadm_err.setter(true, buf.str());
+        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 71, buf.str(), __FILE__, __LINE__);
+        return false;
 }
 //! log level set function
-//! @param[in] argument position
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_opt_log_level_func( int& pos, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 24, "l7vsadm::parse_opt_log_level_func", __FILE__, __LINE__ );
-
-       if( request.log_level != LOG_LV_NONE ){
-               // double target commands.
-               std::string     buf("loglevel is double specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 72, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       if( ++pos >= argc ){
-               // don't target loglevel
-               std::string     buf("loglevel is not specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 73, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       string_loglevel_map_type::iterator itr = string_loglevel_dic.find( argv[pos] );
-       if( itr != string_loglevel_dic.end() ){
-               request.log_level = itr->second;
-               return true;
-       }
-       std::stringstream buf;
-       buf << "loglevel not found:" << argv[pos];
-       l7vsadm_err.setter( true, buf.str() );
-       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 74, buf.str(), __FILE__, __LINE__ );
-       return false;
+//! @param[in] argument position
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_opt_log_level_func(int &pos, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 24, "l7vsadm::parse_opt_log_level_func", __FILE__, __LINE__);
+
+        if (request.log_level != LOG_LV_NONE) {
+                // double target commands.
+                std::stringstream buf;
+                buf << "Option ";
+                buf << argv[pos];
+                buf << " conflict.";
+
+                l7vsadm_err.setter(true, buf.str());
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 72, buf.str(), __FILE__, __LINE__);
+                return false;
+        }
+        if (++pos >= argc) {
+                // log level is not specified.
+                std::string buf("log level is not specified.(--level)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 73, buf, __FILE__, __LINE__);
+                return false;
+        }
+        string_loglevel_map_type::iterator itr = string_loglevel_dic.find(argv[pos]);
+        if (itr != string_loglevel_dic.end()) {
+                request.log_level = itr->second;
+                return true;
+        }
+        std::stringstream buf;
+        buf << "log level not found(--level): " << argv[pos];
+        l7vsadm_err.setter(true, buf.str());
+        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 74, buf.str(), __FILE__, __LINE__);
+        return false;
 }
 
 //! snmp command parsing
-//! @param[in] request command
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_snmp_func( l7vs::l7vsadm_request::COMMAND_CODE_TAG cmd, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 25, "l7vsadm::parse_snmp_func", __FILE__, __LINE__ );
-
-       request.command = cmd;
-       for( int pos = 2; pos < argc; ++pos ){
-               parse_opt_map_type::iterator itr = snmp_option_dic.find( argv[pos] );
-               if( itr != snmp_option_dic.end() ){     // option string function find.
-                       if( ! itr->second( pos, argc, argv ) ) return false;    // option string function error.
-               }
-               else{   //option string function don't find.
-                       // print option not found message.
-                       std::stringstream buf;
-                       buf << "snmp log option not found:" << argv[pos];
-                       l7vsadm_err.setter( true, buf.str() );
-                       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 75, buf.str(), __FILE__, __LINE__ );
-                       return false;
-               }
-       }
-       if( LOG_CAT_NONE == request.snmp_log_category ){
-               // not specified logcategory
-               std::string     buf("snmp logcategory not specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 76, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       if( LOG_LV_NONE == request.snmp_log_level ){
-               // not specified loglevel
-               std::string     buf("snmp loglevel not specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 77, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       return true;
+//! @param[in] request command
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_snmp_func(l7vs::l7vsadm_request::COMMAND_CODE_TAG cmd, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 25, "l7vsadm::parse_snmp_func", __FILE__, __LINE__);
+
+       //Argument argc is illegal
+        if (argc < 3) {
+                //argument num err
+                std::stringstream buf;
+                buf << "Argument argc is illegal for ";
+                buf << argv[1];
+                buf << " command.";
+
+                l7vsadm_err.setter(true, buf.str());
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 127, buf.str(), __FILE__, __LINE__);
+                return false;
+        }
+
+        request.command = cmd;
+
+        for (int pos = 2; pos < argc; ++pos) {
+                parse_opt_map_type::iterator itr = snmp_option_dic.find(argv[pos]);
+                if (itr != snmp_option_dic.end()) { // option string function find.
+                        if (! itr->second(pos, argc, argv)) return false; // option string function error.
+                } else { //option string function not found.
+                        // print option not found message.
+                        std::stringstream buf;
+                        buf << "snmp option not found(--snmp): " << argv[pos];
+                        l7vsadm_err.setter(true, buf.str());
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 128, buf.str(), __FILE__, __LINE__);
+                        return false;
+                }
+        }
+
+        return true;
+
+}
+//! snmp refresh set function
+//! @param[in]    argument position
+//! @param[in]    argument count
+//! @param[in]    argument value
+bool    l7vs::l7vsadm::parse_opt_snmp_refresh_func(int &pos, int argc, char *argv[])
+{
+        Logger    logger(LOG_CAT_L7VSADM_COMMON, 42, "l7vsadm::parse_opt_snmp_refresh_func", __FILE__, __LINE__);
+        if (request.snmpinfo.option_set_flag & snmp_info::SNMP_REFRESH_ALL_OPTION_FLAG
+                        ||request.snmpinfo.option_set_flag & snmp_info::SNMP_REFRESH_OPTION_FLAG) {
+                // double target commands.
+                std::stringstream buf;
+                buf << "Option ";
+                buf << argv[pos];
+                buf << " conflict.";
+
+                l7vsadm_err.setter(true, buf.str());
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 129, buf.str(), __FILE__, __LINE__);
+                return false;
+        }
+
+        if (pos != 2) {
+                // don't target logcategory
+                std::string    buf("Invalid option for -S command.");
+                 l7vsadm_err.setter(true, buf);
+                 Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 130, buf, __FILE__, __LINE__);
+                 return false;
+        }
+
+        if (argc == 3) {
+                request.snmpinfo.option_set_flag |= snmp_info::SNMP_REFRESH_ALL_OPTION_FLAG;
+                return true;
+        } else if (argc == 7) {
+                for (pos = 3; pos < argc; ++pos) {
+                        parse_opt_map_type::iterator itr = snmp_vs_option_dic.find(argv[pos]);
+                        if (itr != snmp_vs_option_dic.end()) {
+                                if (!itr->second(pos, argc, argv)) {
+                                        return false;
+                                }
+                        } else {
+                                std::string    buf("Invalid option value for -r option.");
+                                l7vsadm_err.setter(true, buf);
+                                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 78, buf, __FILE__, __LINE__);
+                                return false;
+                        }
+                }
+                request.snmpinfo.option_set_flag |= snmp_info::SNMP_REFRESH_OPTION_FLAG;
+
+        } else {
+                std::string    buf("Argument argc is illegal for -S command.");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 79, buf, __FILE__, __LINE__);
+                return false;
+        }
+
+        return true;
 }
-//! snmp log category set function
-//! @param[in] argument position
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_opt_snmp_log_category_func( int& pos, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 26, "l7vsadm::parse_opt_snmp_log_category_func", __FILE__, __LINE__ );
-
-       if( request.snmp_log_category != LOG_CAT_NONE ){
-               // double target commands.
-               std::string     buf("snmp logcategory is double specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 78, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       if( ++pos >= argc ){
-               // don't target logcategory
-               std::string     buf("snmp logcategory is not specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 79, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       string_logcategory_map_type::iterator itr = string_snmp_logcategory_dic.find( argv[pos] );
-       if( itr != string_snmp_logcategory_dic.end() ){
-               request.snmp_log_category = itr->second;
-               return true;
-       }
-       std::stringstream buf;
-       buf << "snmp logcategory not found:" << argv[pos];
-       l7vsadm_err.setter( true, buf.str() );
-       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 80, buf.str(), __FILE__, __LINE__ );
-       return false;
+
+//! snmp virtualservice set function
+//! @param[in] argument position
+//! @param[in] argument count
+//! @param[in] argument value
+bool    l7vs::l7vsadm::parse_opt_snmp_vs_target_func(int &pos, int argc, char *argv[])
+{
+       Logger    logger(LOG_CAT_L7VSADM_COMMON, 43, "l7vsadm::parse_opt_vs_target_func", __FILE__, __LINE__);
+        if (request.snmpinfo.option_set_flag & snmp_info::SNMP_TCP_SERVICE_OPTION_FLAG ) {
+                std::stringstream buf;
+                buf << "Option ";
+                buf << argv[pos];
+                buf << " conflict.";
+
+                l7vsadm_err.setter(true, buf.str());
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 131, buf.str(), __FILE__, __LINE__);
+                return false;
+        }
+
+        if (++pos >= argc) {
+                //don't target recvaddress:port
+                std::string    buf("target endpoint is not specified.");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 132, buf, __FILE__, __LINE__);
+                return false;
+        }
+
+        // get host endpoint from string
+        std::string
+       src_str = argv[pos];
+        error_code    err;
+        boost::asio::ip::tcp::endpoint tmp_endpoint;
+        tmp_endpoint = string_to_endpoint<boost::asio::ip::tcp>(src_str, err);
+        if (err) {
+                std::stringstream buf;
+                buf << "target endpoint parse error:" << err.get_message() << src_str;
+                l7vsadm_err.setter(true, buf.str());
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 133, buf.str(), __FILE__, __LINE__);
+                return false;
+        }
+
+        request.snmpinfo.vs_endpoint = tmp_endpoint;
+        request.snmpinfo.option_set_flag |= snmp_info::SNMP_TCP_SERVICE_OPTION_FLAG;
+
+
+        return true;
 }
-//! snmp log level set function
-//! @param[in] argument position
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_opt_snmp_log_level_func( int& pos, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 27, "l7vsadm::parse_opt_snmp_log_level_func", __FILE__, __LINE__ );
-
-       if( request.snmp_log_level != LOG_LV_NONE ){
-               // double target commands.
-               std::string     buf("snmp loglevel is double specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 81, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       if( ++pos >= argc ){
-               // don't rarget logcategory
-               std::string     buf("snmp loglevel is not specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 82, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       string_loglevel_map_type::iterator itr = string_loglevel_dic.find( argv[pos] );
-       if( itr != string_loglevel_dic.end() ){
-               request.snmp_log_level = itr->second;
-               return true;
-       }
-       std::stringstream buf;
-       buf << "snmp loglevel not found:" << argv[pos];
-       l7vsadm_err.setter( true, buf.str() );
-       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 83, buf.str(), __FILE__, __LINE__ );
-       return false;
+//! snmp module set function
+//! @param[in]    argument position
+//! @param[in]    argument count
+//! @param[in]    argument value
+bool    l7vs::l7vsadm::parse_opt_snmp_vs_module_func(int &pos, int argc, char *argv[])
+{
+        Logger    logger(LOG_CAT_L7VSADM_COMMON, 44, "l7vsadm::parse_opt_snmp_vs_module_func", __FILE__, __LINE__);
+
+       if (request.snmpinfo.option_set_flag & snmp_info::SNMP_PROTOCOL_MODULE_OPTION_FLAG ) {
+                std::stringstream buf;
+                buf << "Option ";
+                buf << argv[pos];
+                buf << " conflict.";
+
+                l7vsadm_err.setter(true, buf.str());
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 134, buf.str(), __FILE__, __LINE__);
+                return false;
+        }
+
+        if (++pos >= argc) {
+                //don't target protomod name.
+                std::string    buf("protomod name is not specified.");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 135, buf, __FILE__, __LINE__);
+                return false;
+        }
+
+       std::string    module_name = argv[pos];
+        if (L7VS_MODNAME_LEN < module_name.length()) {
+                std::string    buf("protomod name is too long.");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 136, buf, __FILE__, __LINE__);
+                return false;
+        }
+
+        protocol_module_control    &ctrl = protocol_module_control::getInstance();
+        ctrl.initialize(L7VS_MODULE_PATH);
+        protocol_module_base *module;
+
+        module = ctrl.load_module(module_name);
+        if (!module) {
+                //don't find protocol module.
+                std::stringstream buf;
+                buf << "protocol module not found:" << module_name;
+                l7vsadm_err.setter(true, buf.str());
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 137, buf.str(), __FILE__, __LINE__);
+                return false;
+        }
+
+
+        ctrl.unload_module(module);
+
+       request.snmpinfo.option_set_flag |= snmp_info::SNMP_PROTOCOL_MODULE_OPTION_FLAG ;
+        request.snmpinfo.protocol = module_name;
+
+
+        return true;
+}
+//! snmp flag set function
+//! @param[in] argument position
+//! @param[in] argument count
+//! @param[in] argument value
+bool    l7vs::l7vsadm::parse_opt_snmp_flag_func(int &pos, int argc, char *argv[])
+{
+       int tmp = 0;
+        Logger    logger(LOG_CAT_L7VSADM_COMMON, 45, "l7vsadm::parse_opt_snmp_flag_func", __FILE__, __LINE__);
+       if (request.snmpinfo.option_set_flag & snmp_info::SNMP_ENABLE_OPTION_FLAG ) {
+                std::stringstream buf;
+                buf << "Option ";
+                buf << argv[pos];
+                buf << " conflict.";
+
+                l7vsadm_err.setter(true, buf.str());
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 138, buf.str(), __FILE__, __LINE__);
+                return false;
+        }
+       if (++pos < argc) {
+                try {
+                        tmp = boost::lexical_cast< int >(argv[pos]);
+                } catch (const boost::bad_lexical_cast& ex) {
+                        std::string    buf("Invalid option value for -f option.");
+                        l7vsadm_err.setter(true, buf);
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 139, buf, __FILE__, __LINE__);
+                        return false;
+                }
+
+                if (tmp == 0 || tmp == 1) {
+
+                       request.snmpinfo.enabled = tmp;
+                        request.snmpinfo.option_set_flag |= snmp_info::SNMP_ENABLE_OPTION_FLAG;
+
+                        return true;
+                } else {
+                        std::string    buf("Invalid option value for -f option.");
+                        l7vsadm_err.setter(true, buf);
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 140, buf, __FILE__, __LINE__);
+                        return false;
+                }
+        } else {
+                std::string    buf("Need option value for -f option");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 141, buf, __FILE__, __LINE__);
+                return false;
+        }
+}
+//! snmp interval set function
+//! @param[in]    argument position
+//! @param[in]    argument count
+//! @param[in]    argument value
+bool    l7vs::l7vsadm::parse_opt_snmp_interval_func(int &pos, int argc, char *argv[])
+{
+        int tmp = 0;
+        Logger    logger(LOG_CAT_L7VSADM_COMMON, 46, "l7vs::l7vsadm::parse_opt_snmp_interval_func", __FILE__, __LINE__);
+
+        if (request.snmpinfo.option_set_flag & snmp_info::SNMP_INTERVAL_OPTION_FLAG ) {
+                std::stringstream buf;
+                buf << "Option ";
+                buf << argv[pos];
+                buf << " conflict.";
+
+                l7vsadm_err.setter(true, buf.str());
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 142, buf.str(), __FILE__, __LINE__);
+                return false;
+        }
+
+       if (++pos < argc) {
+                try {
+                        tmp = boost::lexical_cast< int >(argv[pos]);
+                } catch (const boost::bad_lexical_cast&) {
+                        std::string    buf("Invalid option value for -i option.");
+                        l7vsadm_err.setter(true, buf);
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 143, buf, __FILE__, __LINE__);
+                        return false;
+                }
+
+                if (tmp >= 0) {
+                        request.snmpinfo.interval = tmp;
+                        request.snmpinfo.option_set_flag |= snmp_info::SNMP_INTERVAL_OPTION_FLAG;
+
+                        return true;
+                } else {
+                        std::string    buf("Invalid option value for -i option.");
+                        l7vsadm_err.setter(true, buf);
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 144, buf, __FILE__, __LINE__);
+                        return false;
+                }
+        } else    {
+                std::string    buf("Need option value for -i option");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 145, buf, __FILE__, __LINE__);
+                return false;
+        }
+}
+
+//! snmp logtrap set function
+//! @param[in]    argument position
+//! @param[in]    argument count
+//! @param[in]    argument value
+bool    l7vs::l7vsadm::parse_opt_snmp_log_trap_func(int &pos, int argc, char *argv[])
+{
+        int tmp = 0;
+        Logger    logger(LOG_CAT_L7VSADM_COMMON, 47, "l7vs::l7vsadm::parse_opt_snmp_log_trap_func", __FILE__, __LINE__);
+
+        if (request.snmpinfo.option_set_flag & snmp_info::SNMP_LOGTRAP_OPTION_FLAG ) {
+                std::stringstream buf;
+                buf << "Option ";
+                buf << argv[pos];
+                buf << " conflict.";
+
+                l7vsadm_err.setter(true, buf.str());
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 146, buf.str(), __FILE__, __LINE__);
+                return false;
+        }
+        if (++pos < argc) {
+                try {
+                        tmp = boost::lexical_cast< int >(argv[pos]);
+                } catch (const boost::bad_lexical_cast&) {
+                        std::string    buf("Invalid option value for -t option.");
+                        l7vsadm_err.setter(true, buf);
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 147, buf, __FILE__, __LINE__);
+                        return false;
+                }
+                if (tmp == 0 || tmp == 1) {
+
+                       request.snmpinfo.logtrap_enabled = tmp;
+                        request.snmpinfo.option_set_flag |= snmp_info::SNMP_LOGTRAP_OPTION_FLAG;
+
+
+                        return true;
+                } else {
+                        std::string    buf("Invalid option value for -t option.");
+                        l7vsadm_err.setter(true, buf);
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 148, buf, __FILE__, __LINE__);
+                        return false;
+                }
+        } else    {
+                std::string    buf("Need option value for -t option");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 149, buf, __FILE__, __LINE__);
+                return false;
+        }
+
+}
+
+//! snmp logtrap_level set function
+//! @param[in]    argument position
+//! @param[in]    argument count
+//! @param[in]    argument value
+bool    l7vs::l7vsadm::parse_opt_snmp_log_trap_level_func(int &pos, int argc, char *argv[])
+{
+        Logger    logger(LOG_CAT_L7VSADM_COMMON, 48, "l7vs::l7vsadm::parse_opt_snmp_log_trap_level_func", __FILE__, __LINE__);
+
+        if (request.snmpinfo.option_set_flag & snmp_info::SNMP_LOGTRAP_LEVEL_OPTION_FLAG) {
+                std::stringstream buf;
+                buf << "Option ";
+                buf << argv[pos];
+                buf << " conflict.";
+
+                l7vsadm_err.setter(true, buf.str());
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 150, buf.str(), __FILE__, __LINE__);
+                return false;
+        }
+
+        if (++pos < argc) {
+                string_loglevel_map_type::iterator itr = string_loglevel_dic.find(argv[pos]);
+                if (itr != string_loglevel_dic.end()) {
+                        request.snmpinfo.logtrap_level = itr->second;
+                        request.snmpinfo.option_set_flag |= snmp_info::SNMP_LOGTRAP_LEVEL_OPTION_FLAG;
+
+                        return true;
+                } else {
+                        std::string    buf("logtrap_level not found.");
+                        l7vsadm_err.setter(true, buf);
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 151, buf, __FILE__, __LINE__);
+                        return false;
+                }
+        } else {
+                std::string    buf("Need option value for -l option");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 152, buf, __FILE__, __LINE__);
+                return false;
+
+        }
+
 }
 
 //! parameter command parsing
-//! @param[in] request command
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_parameter_func( l7vs::l7vsadm_request::COMMAND_CODE_TAG cmd, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 28, "l7vsadm::parse_parameter_func", __FILE__, __LINE__ );
-
-       request.command = cmd;
-       for( int pos = 2; pos < argc; ++pos ){
-               parse_opt_map_type::iterator itr = parameter_option_dic.find( argv[pos] );
-               if( itr != parameter_option_dic.end() ){        // option string function find.
-                       if( ! itr->second( pos, argc, argv ) ) return false;    // option string function error.
-               }
-               else{   //option string function don't find.
-                       // print option not found message.
-                       std::stringstream buf;
-                       buf << "parameter option not found:" << argv[pos];
-                       l7vsadm_err.setter( true, buf.str() );
-                       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 84, buf.str(), __FILE__, __LINE__ );
-                       return false;
-               }
-       }
-       if( PARAM_COMP_NOCAT == request.reload_param ){
-               // not specified reload_param
-               std::string     buf("reload component not specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 85, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       return true;
+//! @param[in] request command
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_parameter_func(l7vs::l7vsadm_request::COMMAND_CODE_TAG cmd, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 28, "l7vsadm::parse_parameter_func", __FILE__, __LINE__);
+
+        if (argc != 4) {
+                //argument num err
+                std::stringstream buf;
+                buf << "Argument argc is illegal for ";
+                buf << argv[1];
+                buf << " command.";
+
+                l7vsadm_err.setter(true, buf.str());
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 126, buf.str(), __FILE__, __LINE__);
+                return false;
+        }
+
+        request.command = cmd;
+
+        for (int pos = 2; pos < argc; ++pos) {
+                parse_opt_map_type::iterator itr = parameter_option_dic.find(argv[pos]);
+                if (itr != parameter_option_dic.end()) { // option string function find.
+                        if (! itr->second(pos, argc, argv)) return false; // option string function error.
+                } else { //option string function not found.
+                        // print option not found message.
+                        std::stringstream buf;
+                        buf << "parameter option not found(--parameter): " << argv[pos];
+                        l7vsadm_err.setter(true, buf.str());
+                        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 84, buf.str(), __FILE__, __LINE__);
+                        return false;
+                }
+        }
+
+        if (PARAM_COMP_NOCAT == request.reload_param) {
+                // not specified reload_param
+                std::string buf("reload component is not specified.(--reload)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 85, buf, __FILE__, __LINE__);
+                return false;
+        }
+
+        return true;
 }
 //
-//     parameter command 
+// parameter command
 //
 //! parameter reload component parsing
-//! @param[in] argument position
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_opt_parameter_reload_func( int& pos, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 29, "l7vsadm::parse_opt_parameter_reload_func", __FILE__, __LINE__ );
-
-       if( ++pos >= argc ){
-               // don't target reload component
-               std::string     buf("reload component is not specified.");
-               l7vsadm_err.setter( true, buf );
-               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 86, buf, __FILE__, __LINE__ );
-               return false;
-       }
-       string_parameter_map_type::iterator itr = string_parameter_dic.find( argv[pos] );
-       if( itr != string_parameter_dic.end() ){
-               request.reload_param = itr->second;
-               return true;
-       }
-       std::stringstream buf;
-       buf << "reload component not found:" << argv[pos];
-       l7vsadm_err.setter( true, buf.str() );
-       Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 87, buf.str(), __FILE__, __LINE__ );
-       return false;
+//! @param[in] argument position
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_opt_parameter_reload_func(int &pos, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 29, "l7vsadm::parse_opt_parameter_reload_func", __FILE__, __LINE__);
+
+        if (++pos >= argc) {
+                // reload component is not specified
+                std::string buf("reload component is not specified.(--reload)");
+                l7vsadm_err.setter(true, buf);
+                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 86, buf, __FILE__, __LINE__);
+                return false;
+        }
+        string_parameter_map_type::iterator itr = string_parameter_dic.find(argv[pos]);
+        if (itr != string_parameter_dic.end()) {
+                request.reload_param = itr->second;
+                return true;
+        }
+        std::stringstream buf;
+        buf << "reload component not found(--reload): " << argv[pos];
+        l7vsadm_err.setter(true, buf.str());
+        Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 87, buf.str(), __FILE__, __LINE__);
+        return false;
 }
 
 //! help command parsing
-//! @param[in] request command
-//! @param[in] argument count
-//! @param[in] argument value
-bool   l7vs::l7vsadm::parse_help_func( l7vs::l7vsadm_request::COMMAND_CODE_TAG cmd, int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 30, "l7vsadm::parse_help_func", __FILE__, __LINE__ );
-
-       request.command = cmd;
-
-       std::cout << usage() << std::endl;
-
-       std::cout <<
-       "Commands:\n"
-       "  --add-service     -A        add virtual service with options\n"
-       "  --edit-service    -E        edit virtual service with options\n"
-       "  --delete-service  -D        delete virtual service with options\n"
-       "  --flush           -C        flush virtual service\n"
-       "  --add-server      -a        add real server with options\n"
-       "  --edit-server     -e        edit real server with options\n"
-       "  --delete-server   -d        delete real server with options\n"
-       "  --replication     -R        control replication-function\n"
-       "  --log             -L        control logger-function\n"
-       "  --snmp            -S        control SNMP Agent-function\n"
-       "  --parameter       -P        control parameter-function\n"
-       "  --list            -l        list the table\n"
-       "  --verbose         -V        list the table in verbose format\n"
-       "  --key             -K        list the table in key setting format\n"
-       "  --help            -h        show usage\n"
-       << std::endl;
-
-       std::cout <<
-       "Options:\n"
-       "  --tcp-service   -t service-address     service-address is host:port\n"
-       "  --proto-module  -m proto-module        protocol module name and module argment\n"
-       "                     [module-args]\n"
-       "  --scheduler     -s scheduler           one of rr,lc,wrr\n"
-       "  --upper         -u connection-count    maximum number of connections\n"
-       "  --bypass        -b sorry-server        sorry server address is host:port\n"
-       "  --flag          -f sorry-flag          sorry status set to virtual service\n"
-       "  --qos-up        -Q QoSval-up           QoS Threshold(bps) set to real server direction\n"
-       "  --qos-down      -q QoSval-down         QoS Threshold(bps) set to client direction\n"
-       "  --udp           -p                     VirtualService UDP mode on\n"
-       "  --ssl           -S ssl-config-file     SSL configuration file(Use SSL)\n"
-       "  --real-server   -r server-address      server-address is host:port\n"
-       "  --weight        -w weight              scheduling weight set to real server\n"
-       "  --switch        -s replication-switch  start or stop replication\n"
-       "  --force         -f                     force replication start\n"
-       "  --dump          -d                     dump replication memory\n"
-       "  --category      -c log-category        set log category for l7vsd or SNMP Agent\n"
-       "  --level         -l log-level           set log level for l7vsd or SNMP Agent\n"
-       "  --reload        -r reload-parameter    reload specified config parameter\n"
-       "  --numeric       -n                     list the table in numeric\n"
-       << std::endl;
-
-       return true;
+//! @param[in] request command
+//! @param[in] argument count
+//! @param[in] argument value
+bool l7vs::l7vsadm::parse_help_func(l7vs::l7vsadm_request::COMMAND_CODE_TAG cmd, int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 30, "l7vsadm::parse_help_func", __FILE__, __LINE__);
+
+        request.command = cmd;
+
+        std::cout << usage();
+
+        std::cout <<
+                  "Commands:\n"
+                  "  --add-service      -A        add virtual service with options\n"
+                  "  --edit-service     -E        edit virtual service with options\n"
+                  "  --delete-service   -D        delete virtual service with options\n"
+                  "  --flush            -C        flush virtual service\n"
+                  "  --add-server       -a        add real server with options\n"
+                  "  --edit-server      -e        edit real server with options\n"
+                  "  --delete-server    -d        delete real server with options\n"
+                  "  --replication      -R        control replication-function\n"
+                  "  --log              -L        control logger-function\n"
+                  "  --snmp             -S        control SNMP Agent-function\n"
+                  "  --parameter        -P        control parameter-function\n"
+                  "  --list             -l        list the table\n"
+                  "  --verbose          -V        list the table in verbose format\n"
+                  "  --key              -K        list the table in key setting format\n"
+                  "  --help             -h        show usage\n"
+                  << std::endl;
+
+        std::cout <<
+                  "Options:\n"
+                  "  --tcp-service      -t service-address     service-address is host:port\n"
+                  "  --proto-module     -m proto-module        protocol module name and module argument\n"
+                  "                        [module-args]\n"
+                  "  --scheduler        -s scheduler           one of rr,lc,wrr\n"
+                  "  --upper            -u connection-count    maximum number of connections\n"
+                  "  --bypass           -b sorry-server        sorry server address is host:port\n"
+                  "  --tproxy           -T                     set sorry server connection to IP transparent mode.\n"
+                  "  --masq             -M                     set sorry server connection to IP masquerade mode.\n"
+
+                  "  --flag             -f sorry-flag          sorry status set to virtual service\n"
+                  "  --qos-up           -Q QoSval-up           QoS Threshold(bps) set to real server direction\n"
+                  "  --qos-down         -q QoSval-down         QoS Threshold(bps) set to client direction\n"
+                  "  --ssl              -z ssl-config-file     SSL configuration file(Use SSL)\n"
+                  "  --sockopt          -O socket-option       deferaccept,nodelay,cork,quickackon or quickackoff set to socket option\n"
+                  "  --access-log       -L access-log-flag     access log flag 0(none) or 1(output)\n"
+                  "  --access-log-name  -a access-log-file     access log file\n"
+                  "                        [logrotate-args]\n"
+                  "  --real-server      -r server-address      server-address is host:port\n"
+                  "  --weight           -w weight              scheduling weight set to real server\n"
+                  "  --tproxy           -T                     set real server connection to IP transparent mode.\n"
+                  "  --masq             -M                     set real server connection to IP masquerade mode.\n"
+                  "  --switch           -s replication-switch  start or stop replication\n"
+                  "  --force            -f                     force replication start\n"
+                  "  --dump             -d                     dump replication memory\n"
+                  "  --category         -c log-category        set log category for l7vsd or SNMP Agent\n"
+                  "  --level            -l log-level           set log level for l7vsd or SNMP Agent\n"
+                  "  --reload           -r reload-parameter    reload specified config parameter\n"
+                  "  --numeric          -n                     list the table in numeric\n"
+                 "  --flag              -f snmp-flag           start or stop snmp function 0(off) 1(on)\n"
+                 "  --interval          -i update-interval     set collect snmp cache collect interval(s)\n"
+                 "  --logtrap           -t log-trap-flag       start or stop log trap function 0(off) 1(on)\n"
+                 "  --logtraplevel      -l log-trap-level      set log trap level for snmp\n"
+                 "  --refresh           -r                     clear statistic info for snmp\n"
+                  << std::endl;
+
+        return true;
 }
 
 //! usage function.
-std::string    l7vs::l7vsadm::usage(){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 31, "l7vsadm::usage", __FILE__, __LINE__ );
-
-       std::stringstream       stream;
-       stream <<
-       "Usage: \n"
-       "  l7vsadm -A|E -t service-address -m proto-module [module-args]\n"
-       "          [-s scheduler] [-u connection-count] [-b sorry-server]\n"
-       "          [-f sorry-flag] [-Q QoSval-up] [-q QoSval-down]\n"
-       "          [-p ] [-S ssl-config-file]\n"
-       "  l7vsadm -D -t service-address -m proto-module [module-args]\n"
-       "  l7vsadm -C\n"
-       "  l7vsadm -a|e -t service-address -m proto-module [module-args] [-u]\n"
-       "          -r server-address [-w weight]\n"
-       "  l7vsadm -d -t service-address -m proto-module [module-args]\n"
-       "          -r server-address\n"
-       "  l7vsadm -R -s replication-switch\n"
-       "  l7vsadm -R -f\n"
-       "  l7vsadm -R -d\n"
-       "  l7vsadm -L -c log-category -l log-level\n"
-       "  l7vsadm -S -c log-category -l log-level\n"
-       "  l7vsadm -P -r reload-parameter\n"
-       "  l7vsadm -l [-n]\n"
-       "  l7vsadm -V [-n]\n"
-       "  l7vsadm -K [-n]\n"
-       "  l7vsadm -h\n"
-       << std::endl;
-       return stream.str();
+std::string l7vs::l7vsadm::usage()
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 31, "l7vsadm::usage", __FILE__, __LINE__);
+
+        std::stringstream stream;
+        stream <<
+               "Usage: \n"
+               "  l7vsadm -A -t service-address -m proto-module [module-args]\n"
+               "          [-s scheduler] [-u connection-count] [-b sorry-server] [-T|M]\n"
+               "          [-f sorry-flag] [-Q QoSval-up] [-q QoSval-down] [-z ssl-config-file]\n"
+               "          [-O socket-option] [-L access-log-flag] [-a access-log-file [logrotate-args]]\n"
+               "  l7vsadm -E -t service-address -m proto-module [module-args]\n"
+               "          [-s scheduler] [-u connection-count] [-b sorry-server] [-T|M]\n"
+               "          [-f sorry-flag] [-Q QoSval-up] [-q QoSval-down] [-L access-log-flag]\n"
+               "  l7vsadm -D -t service-address -m proto-module [module-args]\n"
+               "  l7vsadm -C\n"
+               "  l7vsadm -a|e -t service-address -m proto-module [module-args]\n"
+               "          -r server-address [-w weight] [-T|M]\n"
+               "  l7vsadm -d -t service-address -m proto-module [module-args]\n"
+               "          -r server-address\n"
+               "  l7vsadm -R -s replication-switch\n"
+               "  l7vsadm -R -f\n"
+               "  l7vsadm -R -d\n"
+               "  l7vsadm -L -c log-category -l log-level\n"
+               "  l7vsadm -S [-f snmp-flag] [-i update-interval] [-t log-trap-flag] [-l log-trap-level]\n"
+              "  l7vsadm -S -r [-t service-address -m proto-module]\n"
+              "  l7vsadm -P -r reload-parameter\n"
+              "  l7vsadm -l [-n]\n"
+              "  l7vsadm -V [-n]\n"
+              "  l7vsadm -K [-n]\n"
+              "  l7vsadm -h\n"
+               << std::endl;
+        return stream.str();
 }
 
-//!    disp_list function
-void   l7vs::l7vsadm::disp_list(){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 32, "l7vsadm::disp_list", __FILE__, __LINE__ );
-
-       std::stringstream buf;
-       buf << boost::format( "Layer-7 Virtual Server version %s\n" ) % VERSION;
-       buf << "Prot LocalAddress:Port ProtoMod Scheduler\n";
-       buf << "  -> RemoteAddress:Port           Forward Weight ActiveConn InactConn\n";
-       BOOST_FOREACH( virtualservice_element vse, response.virtualservice_status_list ){
-               std::string     vsepstr;
-               if(vse.udpmode)
-                       vsepstr = endpoint_to_string<boost::asio::ip::udp>( vse.udp_recv_endpoint, numeric_flag );
-               else
-                       vsepstr = endpoint_to_string<boost::asio::ip::tcp>( vse.tcp_accept_endpoint, numeric_flag );
-               buf << boost::format( "%s %s %s %s\n" )
-                       % ( vse.udpmode ? "UDP" : "TCP" )
-                       % vsepstr
-                       % vse.protocol_module_name
-                       % vse.schedule_module_name;
-               BOOST_FOREACH( realserver_element rse, vse.realserver_vector ){
-                       std::string     rsepstr;
-                       if(vse.udpmode)
-                               rsepstr = endpoint_to_string<boost::asio::ip::udp>( rse.udp_endpoint, numeric_flag );
-                       else
-                               rsepstr = endpoint_to_string<boost::asio::ip::tcp>( rse.tcp_endpoint, numeric_flag );
-                       buf << boost::format( "  -> %-28s %-7s %-6d %-10d %-10d\n" )
-                               % rsepstr
-                               % "Masq"
-                               % rse.weight
-                               % rse.get_active()
-                               % rse.get_inact();
-               }
-       }
-       std::cout << buf.str();
+//! disp_list function
+void l7vs::l7vsadm::disp_list()
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 32, "l7vsadm::disp_list", __FILE__, __LINE__);
+
+        std::stringstream buf;
+        buf << boost::format("Layer-7 Virtual Server version %s\n") % VERSION;
+        buf << "Prot LocalAddress:Port ProtoMod Scheduler\n";
+        buf << "  -> RemoteAddress:Port           Forward Weight ActiveConn InactConn\n";
+        BOOST_FOREACH(virtualservice_element vse, response.virtualservice_status_list) {
+                std::string vsepstr;
+                if (vse.udpmode) {
+                        vsepstr = endpoint_to_string<boost::asio::ip::udp>(vse.udp_recv_endpoint, numeric_flag);
+                } else {
+                        vsepstr = endpoint_to_string<boost::asio::ip::tcp>(vse.tcp_accept_endpoint, numeric_flag);
+                }
+                buf << boost::format("%s %s %s %s\n")
+                    % (vse.udpmode ? "UDP" : "TCP")
+                    % vsepstr
+                    % vse.protocol_module_name
+                    % vse.schedule_module_name;
+                BOOST_FOREACH(realserver_element rse, vse.realserver_vector) {
+                        std::string rsepstr;
+                        if (vse.udpmode) {
+                                rsepstr = endpoint_to_string<boost::asio::ip::udp>(rse.udp_endpoint, numeric_flag);
+                        } else {
+                                rsepstr = endpoint_to_string<boost::asio::ip::tcp>(rse.tcp_endpoint, numeric_flag);
+                        }
+                        buf << boost::format("  -> %-28s %-7s %-6d %-10d %-10d\n")
+                            % rsepstr
+                            % rse.get_fwdmode_str()
+                            % rse.weight
+                            % rse.get_active()
+                            % rse.get_inact();
+                }
+        }
+        std::cout << buf.str();
 }
 
-//!    disp_list_key function
-void   l7vs::l7vsadm::disp_list_key(){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 33, "l7vsadm::disp_list_key", __FILE__, __LINE__ );
-
-       std::stringstream buf;
-       buf << boost::format( "Layer-7 Virtual Server version %s\n" ) % VERSION;
-       buf << "Prot LocalAddress:Port ProtoMod Scheduler\n";
-       buf << "  -> RemoteAddress:Port           Forward Weight ActiveConn InactConn\n";
-       BOOST_FOREACH( virtualservice_element vse, response.virtualservice_status_list ){
-               std::string     vsepstr;
-               if(vse.udpmode)
-                       vsepstr = endpoint_to_string<boost::asio::ip::udp>( vse.udp_recv_endpoint, numeric_flag );
-               else
-                       vsepstr = endpoint_to_string<boost::asio::ip::tcp>( vse.tcp_accept_endpoint, numeric_flag );
-               buf << boost::format( "%s %s %s %s\n" )
-                       % ( vse.udpmode ? "UDP" : "TCP" )
-                       % vsepstr
-                       % vse.protocol_module_name
-                       % vse.schedule_module_name;
-               BOOST_FOREACH( realserver_element rse, vse.realserver_vector ){
-                       std::string     rsepstr;
-                       if(vse.udpmode)
-                               rsepstr = endpoint_to_string<boost::asio::ip::udp>( rse.udp_endpoint, numeric_flag );
-                       else
-                               rsepstr = endpoint_to_string<boost::asio::ip::tcp>( rse.tcp_endpoint, numeric_flag );
-                       buf << boost::format( "  -> %-28s %-7s %-6d %-10d %-10d\n" )
-                               % rsepstr
-                               % "Masq"
-                               % rse.weight
-                               % rse.get_active()
-                               % rse.get_inact();
-               }
-       }
-       std::cout << buf.str();
+//! disp_list_key function
+void l7vs::l7vsadm::disp_list_key()
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 33, "l7vsadm::disp_list_key", __FILE__, __LINE__);
+
+        std::stringstream buf;
+        buf << boost::format("Layer-7 Virtual Server version %s\n") % VERSION;
+        buf << "Prot LocalAddress:Port ProtoMod Scheduler\n";
+        buf << "     SSL_config_file\n";
+        buf << "     Socket option\n";
+        buf << "     Access_log_flag\n";
+        buf << "     Access_log_file\n";
+        buf << "     Access_log_rotate option\n";
+        buf << "  -> RemoteAddress:Port           Forward Weight ActiveConn InactConn\n";
+        BOOST_FOREACH(virtualservice_element vse, response.virtualservice_status_list) {
+                std::string vsepstr;
+                if (vse.udpmode) {
+                        vsepstr = endpoint_to_string<boost::asio::ip::udp>(vse.udp_recv_endpoint, numeric_flag);
+                } else {
+                        vsepstr = endpoint_to_string<boost::asio::ip::tcp>(vse.tcp_accept_endpoint, numeric_flag);
+                }
+                buf << boost::format("%s %s %s %s\n")
+                    % (vse.udpmode ? "UDP" : "TCP")
+                    % vsepstr
+                    % vse.protocol_module_name
+                    % vse.schedule_module_name;
+                buf << boost::format("    %s\n")
+                    % ((0 == vse.ssl_file_name.length()) ? "none" : vse.ssl_file_name);
+                buf << boost::format("    %s\n")
+                    % ((0 == vse.socket_option_string.length()) ? "none" : vse.socket_option_string);
+                buf << boost::format("    %d\n") % vse.access_log_flag;
+                buf << boost::format("    %s\n")
+                    % ((0 == vse.access_log_file_name.length()) ? "none" : vse.access_log_file_name);
+                buf << boost::format("    %s\n")
+                    % ((0 == vse.access_log_rotate_key_info.length()) ? "none" :  vse.access_log_rotate_key_info);
+
+                BOOST_FOREACH(realserver_element rse, vse.realserver_vector) {
+                        std::string    rsepstr;
+                        if (vse.udpmode)
+                                rsepstr = endpoint_to_string<boost::asio::ip::udp>(rse.udp_endpoint, numeric_flag);
+                        else
+                                rsepstr = endpoint_to_string<boost::asio::ip::tcp>(rse.tcp_endpoint, numeric_flag);
+                        buf << boost::format("  -> %-28s %-7s %-6d %-10d %-10d\n")
+                            % rsepstr
+                            % rse.get_fwdmode_str()
+                            % rse.weight
+                            % rse.get_active()
+                            % rse.get_inact();
+                }
+        }
+        std::cout << buf.str();
 }
 
-//!    disp_list_verbose function
-void   l7vs::l7vsadm::disp_list_verbose(){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 34, "l7vsadm::disp_list_verbose", __FILE__, __LINE__ );
-
-       std::stringstream       buf;
-       buf << boost::format( "Layer-7 Virtual Server version %s\n" ) % VERSION;
-
-       //disp loglevel
-       buf << "L7vsd Log Level:\n";
-       buf << "Category                       Level\n";
-       typedef std::pair< LOG_CATEGORY_TAG, LOG_LEVEL_TAG > logstatus_type;
-       BOOST_FOREACH( logstatus_type logstatus, response.log_status_list ){
-               buf << boost::format( "%-30s %s\n" )
-                       % logcategory_string_dic[logstatus.first]
-                       % loglevel_string_dic[logstatus.second];
-       }
-       buf << "\n";
-
-       //disp replication
-       buf << "Replication Mode:\n";
-       buf << boost::format( "%s\n" ) % replication_mode_string_dic[response.replication_mode_status];
-       buf << "\n";
-
-       //disp snmp connection status
-       buf << "SNMPAgent Connection Status:\n";
-       if( response.snmp_connection_status )
-               buf << "connecting\n";
-       else
-               buf << "non-connecting\n";
-       buf << "\n";
-
-       //disp snmp loglevel
-       buf << "SNMPAgent Log Level:\n";
-       buf << "Category                       Level\n";
-       BOOST_FOREACH( logstatus_type snmplogstatus, response.snmp_log_status_list ){
-               buf << boost::format( "%-30s %s\n" )
-                       % snmp_logcategory_string_dic[snmplogstatus.first]
-                       % loglevel_string_dic[snmplogstatus.second];
-       }
-       buf << "\n";
-
-       // disp vs      
-       buf << "Prot LocalAddress:Port ProtoMod Scheduler Protomod_opt_string\n";
-       buf << "     SorryAddress:Port Sorry_cc Sorry_flag\n";
-       buf << "     QoS-up   Throughput-up\n";
-       buf << "     QoS-down Throughput-down\n";
-       buf << "     SSL_flag SSL_config_file\n";
-       buf << "  -> RemoteAddress:Port           Forward Weight ActiveConn InactConn\n";
-       BOOST_FOREACH( virtualservice_element vse, response.virtualservice_status_list ){
-               std::string     vsepstr;
-               if( vse.udpmode )
-                       vsepstr = endpoint_to_string<boost::asio::ip::udp>( vse.udp_recv_endpoint, numeric_flag );
-               else
-                       vsepstr = endpoint_to_string<boost::asio::ip::tcp>( vse.tcp_accept_endpoint, numeric_flag );
-               std::string     args = boost::algorithm::join( vse.protocol_args, " " );
-               buf << boost::format( "%s %s %s %s %s\n" )
-                       % ( vse.udpmode ? "UDP" : "TCP" )
-                       % vsepstr
-                       % vse.protocol_module_name
-                       % vse.schedule_module_name
-                       % args;
-               if( !vse.udpmode ){
-                       std::string     sorryepstr;
-                       boost::asio::ip::tcp::endpoint  zeropoint;
-                       if( zeropoint == vse.sorry_endpoint ){
-                               sorryepstr = "none";
-                       }
-                       else{
-                               sorryepstr = endpoint_to_string<boost::asio::ip::tcp>( vse.sorry_endpoint, numeric_flag );
-                       }
-                       buf << boost::format( "    %s %d %d\n" )
-                               % sorryepstr
-                               % vse.sorry_maxconnection
-                               % vse.sorry_flag;
-               }
-               // QoS value and throughput convert from byte/s to bps.
-               buf << boost::format( "    %lld %lld\n" )
-                       % (vse.qos_upstream * 8)
-                       % (vse.throughput_upstream * 8);
-               buf << boost::format( "    %lld %lld\n" )
-                       % (vse.qos_downstream * 8)
-                       % (vse.throughput_downstream * 8);
-               buf << boost::format( "    %d %s\n" )
-                       % vse.ssl_flag
-                       % vse.ssl_conf_filename;
-               BOOST_FOREACH( realserver_element rse, vse.realserver_vector ){
-                       std::string     rsepstr;
-                       if( vse.udpmode )
-                               rsepstr = endpoint_to_string<boost::asio::ip::udp>( rse.udp_endpoint, numeric_flag );
-                       else
-                               rsepstr = endpoint_to_string<boost::asio::ip::tcp>( rse.tcp_endpoint, numeric_flag );
-                       buf << boost::format( "  -> %-28s %-7s %-6d %-10d %-10d\n" )
-                               % rsepstr
-                               % "Masq"
-                               % rse.weight
-                               % rse.get_active()
-                               % rse.get_inact();
-               }
-       }
-       std::cout << buf.str();
+//! disp_list_verbose function
+void l7vs::l7vsadm::disp_list_verbose()
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 34, "l7vsadm::disp_list_verbose", __FILE__, __LINE__);
+
+        unsigned long long output_qos_upstream_value;
+        unsigned long long output_qos_downstream_value;
+       const int MAX_TIME_FORMAT_LEN = 20;
+        char snmp_start_date[MAX_TIME_FORMAT_LEN] = {0};
+        char snmp_last_request_date[MAX_TIME_FORMAT_LEN] = {0};
+        char snmp_last_trap_date[MAX_TIME_FORMAT_LEN] = {0};
+
+        std::stringstream buf;
+        buf << boost::format("Layer-7 Virtual Server version %s\n") % VERSION;
+
+        //disp loglevel
+        buf << "L7vsd Log Level:\n";
+        buf << "Category                       Level\n";
+        typedef std::pair<LOG_CATEGORY_TAG, LOG_LEVEL_TAG> logstatus_type;
+        BOOST_FOREACH(logstatus_type logstatus, response.log_status_list) {
+                buf << boost::format("%-30s %s\n")
+                    % logcategory_string_dic[logstatus.first]
+                    % loglevel_string_dic[logstatus.second];
+        }
+        buf << "\n";
+
+        //disp replication
+        buf << "Replication Mode:\n";
+        buf << boost::format("%s\n") % replication_mode_string_dic[response.replication_mode_status];
+        buf << "\n";
+
+       //disp snmp agent status
+       buf << "SNMPAgent:\n";
+       if (!response.snmpinfo.enabled) {
+               boost::format fmtter("%-30s inactive\n"
+                                    "%-30s none\n"
+                                    "%-30s none\n"
+                                    "%-30s none\n"
+                                    "%-30s none\n"
+                                    "%-30s none\n"
+                                    "%-30s none\n"
+                                    "%-30s none\n"
+                                    "%-30s none\n"
+                                    "%-30s none\n");
+
+               fmtter % "Agent Status";
+               fmtter % "log trap status";
+               fmtter % "log trap level";
+               fmtter % "cache update interval";
+               fmtter % "start date";
+               fmtter % "last request date";
+               fmtter % "last trap date";
+               fmtter % "total GET requests";
+               fmtter % "total SET requests";
+               fmtter % "total trap counts";   
+
+               buf << fmtter.str();
+        } else {
+               strftime(snmp_start_date, sizeof(snmp_start_date), "%Y-%m-%d %H-%M-%S", localtime(&response.snmpinfo.start_date));
+               strftime(snmp_last_request_date, sizeof(snmp_start_date), "%Y-%m-%d %H-%M-%S", localtime(&response.snmpinfo.request_last_date));
+               strftime(snmp_last_trap_date, sizeof(snmp_start_date), "%Y-%m-%d %H-%M-%S", localtime(&response.snmpinfo.trap_last_date));
+
+               boost::format fmtter("%-30s active\n"
+                                    "%-30s %s\n"
+                                    "%-30s %s\n"
+                                    "%-30s %d\n"
+                                    "%-30s %s\n"
+                                    "%-30s %s\n"
+                                    "%-30s %s\n"
+                                    "%-30s %u\n"
+                                    "%-30s %u\n"
+                                    "%-30s %u\n");
+
+               fmtter % "Agent Status";
+               fmtter % "log trap status";
+               fmtter % (response.snmpinfo.logtrap_enabled ? "on" : "off");
+               fmtter % "log trap level";
+               fmtter % (response.snmpinfo.logtrap_enabled ? loglevel_string_dic[response.snmpinfo.logtrap_level] : "none" );
+               fmtter % "cache update interval" % response.snmpinfo.interval;
+               fmtter % "start date" %  (response.snmpinfo.start_date == 0 ? "none" : snmp_start_date);
+               fmtter % "last request date" % (response.snmpinfo.request_last_date == 0 ? "none" : snmp_last_request_date);
+               fmtter % "last trap date" % (response.snmpinfo.trap_last_date == 0 ? "none" : snmp_last_trap_date);
+               fmtter % "total GET requests" % response.snmpinfo.snmp_get_requests;
+               fmtter % "total SET requests" % response.snmpinfo.snmp_set_requests;
+               fmtter % "total trap counts" % response.snmpinfo.snmp_trap_count;
+               buf << fmtter.str();
+        }
+
+
+        buf << "\n";
+
+        // disp vs
+        buf << "Prot LocalAddress:Port ProtoMod Scheduler Protomod_opt_string\n";
+        buf << "  -> RemoteAddress:Port           Forward Weight ActiveConn InactConn\n";
+        BOOST_FOREACH(virtualservice_element vse, response.virtualservice_status_list) {
+                std::string vsepstr;
+                if (vse.udpmode) {
+                        vsepstr = endpoint_to_string<boost::asio::ip::udp>(vse.udp_recv_endpoint, numeric_flag);
+                } else {
+                        vsepstr = endpoint_to_string<boost::asio::ip::tcp>(vse.tcp_accept_endpoint, numeric_flag);
+                }
+
+                if (vse.qos_upstream == ULLONG_MAX) {
+                        output_qos_upstream_value = 0;
+                } else {
+                        output_qos_upstream_value = vse.qos_upstream * 8;
+                }
+
+                if (vse.qos_downstream == ULLONG_MAX) {
+                        output_qos_downstream_value = 0;
+                } else {
+                        output_qos_downstream_value = vse.qos_downstream * 8;
+                }
+
+                buf << boost::format("%s %s %s %s %s\n")
+                % (vse.udpmode ? "UDP" : "TCP")
+                % vsepstr
+                % vse.protocol_module_name
+                % vse.schedule_module_name
+                % vse.protocol_module_for_indication_options;
+
+                BOOST_FOREACH(realserver_element rse, vse.realserver_vector) {
+                        std::string rsepstr;
+                        if (vse.udpmode) {
+                                rsepstr = endpoint_to_string<boost::asio::ip::udp>(rse.udp_endpoint, numeric_flag);
+                        } else {
+                                rsepstr = endpoint_to_string<boost::asio::ip::tcp>(rse.tcp_endpoint, numeric_flag);
+                        }
+                        buf << boost::format("  -> %-28s %-7s %-6d %-10d %-10d\n")
+                            % rsepstr
+                            % rse.get_fwdmode_str()
+                            % rse.weight
+                            % rse.get_active()
+                            % rse.get_inact();
+                }
+
+                if (!vse.udpmode) {
+                        std::string    sorryepstr;
+                        std::string    sorry_flag_str;
+                        boost::asio::ip::tcp::endpoint    zeropoint;
+                        if (zeropoint == vse.sorry_endpoint) {
+                                sorryepstr = "none";
+                        } else {
+                                sorryepstr = endpoint_to_string<boost::asio::ip::tcp>(vse.sorry_endpoint,
+                                             numeric_flag) + " " + vse.get_fwdmode_str();
+                        }
+
+                        if (vse.sorry_flag) {
+                                sorry_flag_str = "on";
+                        } else {
+                                sorry_flag_str = "off";
+                        }
+
+                        buf << boost::format("  Bypass Settings:\n"
+                                             "    Sorry Server                  %s\n"
+                                             "    Max Connection                %lld\n"
+                                             "    Sorry Flag                    %s\n")
+                        % sorryepstr
+                        % vse.sorry_maxconnection
+                        % sorry_flag_str;
+                }
+
+                buf << boost::format("  SSL Settings:\n"
+                                     "    SSL Config File               %s\n")
+                % ((0 == vse.ssl_file_name.length()) ? "none" : vse.ssl_file_name);
+
+                buf << boost::format("  Logging Settings:\n"
+                                     "    Access Log                    %s\n"
+                                     "    Access Log File               %s\n"
+                                     "    Access Log Rotate             %s\n")
+                % ((0 == vse.access_log_flag) ? "off" : "on")
+                % ((0 == vse.socket_option_string.length()) ? "none" : vse.socket_option_string)
+                % ((0 == vse.access_log_rotate_verbose_info.length()) ? "none" :  vse.access_log_rotate_verbose_info);
+
+                buf << boost::format("  Socket Settings:\n"
+                                     "    TCP_DEFER_ACCEPT              %s\n"
+                                     "    TCP_NODELAY                   %s\n"
+                                     "    TCP_CORK                      %s\n"
+                                     "    TCP_QUICKACK                  %s\n")
+                % ((0 == vse.socket_option_tcp_defer_accept) ? "disable" : "enable")
+                % ((0 == vse.socket_option_tcp_nodelay) ? "disable" : "enable")
+                % ((0 == vse.socket_option_tcp_cork) ? "disable" : "enable")
+                % ((0 == vse.socket_option_tcp_quickack) ? "disable" : "enable");
+
+
+                buf << boost::format("  Throughput:\n"
+                                     "    Current Upload / Limit        %f Mbps / %f Mbps\n"
+                                     "    Current Download / Limit      %f Mbps / %f Mbps\n")
+                % ((double)vse.throughput_upstream * 8 / (1000 * 1000)) % ((double)output_qos_upstream_value * 8 / (1000 * 1000) )
+                % ((double)vse.throughput_downstream * 8 / (1000 * 1000)) % ((double)output_qos_downstream_value * 8 / (1000 * 1000));
+
+                buf << boost::format("  Statistics:\n"
+                                     "    HTTP Total Requests           %lld\n"
+                                     "    HTTP GET Requests             %lld\n"
+                                     "    HTTP POST Requests            %lld\n")
+                % vse.http_total_count % vse.http_get_count % vse.http_post_count;
+
+
+        }
+        std::cout << buf.str();
 }
-//! l7vsadm constractor.
+//! l7vsadm constructor.
 //! create including all dictionary.
 l7vs::l7vsadm::l7vsadm()
-                               :       numeric_flag(false),
-                                       command_wait_interval( L7VSADM_DEFAULT_WAIT_INTERVAL ),
-                                       command_wait_count( L7VSADM_DEFAULT_WAIT_COUNT ),
-                                       connect_wait_interval( L7VSADM_DEFAULT_WAIT_INTERVAL ),
-                                       connect_wait_count( L7VSADM_DEFAULT_WAIT_COUNT ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 35, "l7vsadm::l7vsadm(constructor)", __FILE__, __LINE__ );
-
-       // create command dictionary.
-       command_dic["-l"]                               = boost::bind( &l7vsadm::parse_list_func, this, l7vsadm_request::CMD_LIST, _1, _2 );
-       command_dic["--list"]                   = boost::bind( &l7vsadm::parse_list_func, this, l7vsadm_request::CMD_LIST, _1, _2 );
-       command_dic["-V"]                               = boost::bind( &l7vsadm::parse_list_func, this, l7vsadm_request::CMD_LIST_VERBOSE, _1, _2 );
-       command_dic["--verbose"]                = boost::bind( &l7vsadm::parse_list_func, this, l7vsadm_request::CMD_LIST_VERBOSE, _1, _2 );
-       command_dic["-K"]                               = boost::bind( &l7vsadm::parse_list_func, this, l7vsadm_request::CMD_LIST_KEY, _1, _2 );
-       command_dic["--key"]                    = boost::bind( &l7vsadm::parse_list_func, this, l7vsadm_request::CMD_LIST_KEY, _1, _2 );
-       command_dic["-A"]                               = boost::bind( &l7vsadm::parse_vs_func, this, l7vsadm_request::CMD_ADD_VS, _1, _2 );
-       command_dic["--add-service"]    = boost::bind( &l7vsadm::parse_vs_func, this, l7vsadm_request::CMD_ADD_VS, _1, _2 );
-       command_dic["-D"]                               = boost::bind( &l7vsadm::parse_vs_func, this, l7vsadm_request::CMD_DEL_VS, _1, _2 );
-       command_dic["--delete-service"] = boost::bind( &l7vsadm::parse_vs_func, this, l7vsadm_request::CMD_DEL_VS, _1, _2 );
-       command_dic["-E"]                               = boost::bind( &l7vsadm::parse_vs_func, this, l7vsadm_request::CMD_EDIT_VS, _1, _2 );
-       command_dic["--edit-service"]   = boost::bind( &l7vsadm::parse_vs_func, this, l7vsadm_request::CMD_EDIT_VS, _1, _2 );
-       command_dic["-C"]                               = boost::bind( &l7vsadm::parse_vs_func, this, l7vsadm_request::CMD_FLUSH_VS, _1, _2 );
-       command_dic["--flush"]                  = boost::bind( &l7vsadm::parse_vs_func, this, l7vsadm_request::CMD_FLUSH_VS, _1, _2 );
-       command_dic["-a"]                               = boost::bind( &l7vsadm::parse_rs_func, this, l7vsadm_request::CMD_ADD_RS, _1, _2 );
-       command_dic["--add-server"]             = boost::bind( &l7vsadm::parse_rs_func, this, l7vsadm_request::CMD_ADD_RS, _1, _2 );
-       command_dic["-d"]                               = boost::bind( &l7vsadm::parse_rs_func, this, l7vsadm_request::CMD_DEL_RS, _1, _2 );
-       command_dic["--delete-server"]  = boost::bind( &l7vsadm::parse_rs_func, this, l7vsadm_request::CMD_DEL_RS, _1, _2 );
-       command_dic["-e"]                               = boost::bind( &l7vsadm::parse_rs_func, this, l7vsadm_request::CMD_EDIT_RS, _1, _2 );
-       command_dic["--edit-server"]    = boost::bind( &l7vsadm::parse_rs_func, this, l7vsadm_request::CMD_EDIT_RS, _1, _2 );
-       command_dic["-R"]                               = boost::bind( &l7vsadm::parse_replication_func, this, l7vsadm_request::CMD_REPLICATION, _1, _2 );
-       command_dic["--replication"]    = boost::bind( &l7vsadm::parse_replication_func, this, l7vsadm_request::CMD_REPLICATION, _1, _2 );
-       command_dic["-L"]                               = boost::bind( &l7vsadm::parse_log_func, this, l7vsadm_request::CMD_LOG, _1, _2 );
-       command_dic["--log"]                    = boost::bind( &l7vsadm::parse_log_func, this, l7vsadm_request::CMD_LOG, _1, _2 );
-       command_dic["-S"]                               = boost::bind( &l7vsadm::parse_snmp_func, this, l7vsadm_request::CMD_SNMP, _1, _2 );
-       command_dic["--snmp"]                   = boost::bind( &l7vsadm::parse_snmp_func, this, l7vsadm_request::CMD_SNMP, _1, _2 );
-       command_dic["-P"]                               = boost::bind( &l7vsadm::parse_parameter_func, this, l7vsadm_request::CMD_PARAMETER, _1, _2 );
-       command_dic["--parameter"]              = boost::bind( &l7vsadm::parse_parameter_func, this, l7vsadm_request::CMD_PARAMETER, _1, _2 );
-       command_dic["-h"]                               = boost::bind( &l7vsadm::parse_help_func, this, l7vsadm_request::CMD_HELP, _1, _2 );
-       command_dic["--help"]                   = boost::bind( &l7vsadm::parse_help_func, this, l7vsadm_request::CMD_HELP, _1, _2 );
-
-       // create list option dictionary.
-       list_option_dic["-n"]                   = boost::bind( &l7vsadm::parse_opt_list_numeric_func, this, _1, _2, _3 );
-       list_option_dic["--numeric"]    = boost::bind( &l7vsadm::parse_opt_list_numeric_func, this, _1, _2, _3 );
-       // create virtualservice option dictionary
-       vs_option_dic["-t"]                             = boost::bind( &l7vsadm::parse_opt_vs_target_func, this, _1, _2, _3 );
-       vs_option_dic["--target"]               = boost::bind( &l7vsadm::parse_opt_vs_target_func, this, _1, _2, _3 );
-       vs_option_dic["-m"]                             = boost::bind( &l7vsadm::parse_opt_vs_module_func, this, _1, _2, _3 );
-       vs_option_dic["--module"]               = boost::bind( &l7vsadm::parse_opt_vs_module_func, this, _1, _2, _3 );
-       vs_option_dic["-s"]                             = boost::bind( &l7vsadm::parse_opt_vs_scheduler_func, this, _1, _2, _3 );
-       vs_option_dic["--scheduler"]    = boost::bind( &l7vsadm::parse_opt_vs_scheduler_func, this, _1, _2, _3 );
-       vs_option_dic["-u"]                             = boost::bind( &l7vsadm::parse_opt_vs_upper_func, this, _1, _2, _3 );
-       vs_option_dic["--upper"]                = boost::bind( &l7vsadm::parse_opt_vs_upper_func, this, _1, _2, _3 );
-       vs_option_dic["-b"]                             = boost::bind( &l7vsadm::parse_opt_vs_bypass_func, this, _1, _2, _3 );
-       vs_option_dic["--bypass"]               = boost::bind( &l7vsadm::parse_opt_vs_bypass_func, this, _1, _2, _3 );
-       vs_option_dic["-f"]                             = boost::bind( &l7vsadm::parse_opt_vs_flag_func, this, _1, _2, _3 );
-       vs_option_dic["--flag"]                 = boost::bind( &l7vsadm::parse_opt_vs_flag_func, this, _1, _2, _3 );
-       vs_option_dic["-Q"]                             = boost::bind( &l7vsadm::parse_opt_vs_qosup_func, this, _1, _2, _3 );
-       vs_option_dic["--qos-up"]               = boost::bind( &l7vsadm::parse_opt_vs_qosup_func, this, _1, _2, _3 );
-       vs_option_dic["-q"]                             = boost::bind( &l7vsadm::parse_opt_vs_qosdown_func, this, _1, _2, _3 );
-       vs_option_dic["--qos-down"]             = boost::bind( &l7vsadm::parse_opt_vs_qosdown_func, this, _1, _2, _3 );
-       vs_option_dic["-p"]                             = boost::bind( &l7vsadm::parse_opt_vs_udp_func, this, _1, _2, _3 );
-       vs_option_dic["--udp"]                  = boost::bind( &l7vsadm::parse_opt_vs_udp_func, this, _1, _2, _3 );
-       vs_option_dic["-S"]                             = boost::bind( &l7vsadm::parse_opt_vs_ssl_func, this, _1, _2, _3 );
-       vs_option_dic["--ssl"]                  = boost::bind( &l7vsadm::parse_opt_vs_ssl_func, this, _1, _2, _3 );
-       // create realserver option dictionary
-       rs_option_dic["-t"]                             = boost::bind( &l7vsadm::parse_opt_vs_target_func, this, _1, _2, _3 );
-       rs_option_dic["--target"]               = boost::bind( &l7vsadm::parse_opt_vs_target_func, this, _1, _2, _3 );
-       rs_option_dic["-w"]                             = boost::bind( &l7vsadm::parse_opt_rs_weight_func, this, _1, _2, _3 );
-       rs_option_dic["--weight"]               = boost::bind( &l7vsadm::parse_opt_rs_weight_func, this, _1, _2, _3 );
-       rs_option_dic["-m"]                             = boost::bind( &l7vsadm::parse_opt_vs_module_func, this, _1, _2, _3 );
-       rs_option_dic["--module"]               = boost::bind( &l7vsadm::parse_opt_vs_module_func, this, _1, _2, _3 );
-       rs_option_dic["-p"]                             = boost::bind( &l7vsadm::parse_opt_vs_udp_func, this, _1, _2, _3 );
-       rs_option_dic["--udp"]                  = boost::bind( &l7vsadm::parse_opt_vs_udp_func, this, _1, _2, _3 );
-       rs_option_dic["-r"]                             = boost::bind( &l7vsadm::parse_opt_rs_realserver_func, this, _1, _2, _3 );
-       rs_option_dic["--real-server"]  = boost::bind( &l7vsadm::parse_opt_rs_realserver_func, this, _1, _2, _3 );
-       // create replication option dictionary
-       replication_option_dic["-s"]    = boost::bind( &l7vsadm::parse_opt_replication_switch_func, this, _1, _2, _3 );
-       replication_option_dic["--switch"]
-                                                                       = boost::bind( &l7vsadm::parse_opt_replication_switch_func, this, _1, _2, _3 );
-       replication_switch_option_dic["start"]
-                                                                       = boost::bind( &l7vsadm::parse_opt_replication_start_func, this, _1, _2, _3 );
-       replication_switch_option_dic["stop"]
-                                                                       = boost::bind( &l7vsadm::parse_opt_replication_stop_func, this, _1, _2, _3 );
-       replication_option_dic["-f"]    = boost::bind( &l7vsadm::parse_opt_replication_force_func, this, _1, _2, _3 );
-       replication_option_dic["--force"]
-                                                                       = boost::bind( &l7vsadm::parse_opt_replication_force_func, this, _1, _2, _3 );
-       replication_option_dic["-d"]    = boost::bind( &l7vsadm::parse_opt_replication_dump_func, this, _1, _2, _3 );
-       replication_option_dic["--dump"]
-                                                                       = boost::bind( &l7vsadm::parse_opt_replication_dump_func, this, _1, _2, _3 );
-       // create log option function dictionary create
-       log_option_dic["-c"]                    = boost::bind( &l7vsadm::parse_opt_log_category_func, this, _1, _2, _3 );
-       log_option_dic["--category"]    = boost::bind( &l7vsadm::parse_opt_log_category_func, this, _1, _2, _3 );
-       log_option_dic["-l"]                    = boost::bind( &l7vsadm::parse_opt_log_level_func, this, _1, _2, _3 );
-       log_option_dic["--level"]               = boost::bind( &l7vsadm::parse_opt_log_level_func, this, _1, _2, _3 );
-       // snmp agent option function dictionary create
-       snmp_option_dic["-c"]                   = boost::bind( &l7vsadm::parse_opt_snmp_log_category_func, this, _1, _2, _3 );
-       snmp_option_dic["--category"]   = boost::bind( &l7vsadm::parse_opt_snmp_log_category_func, this, _1, _2, _3 );
-       snmp_option_dic["-l"]                   = boost::bind( &l7vsadm::parse_opt_snmp_log_level_func, this, _1, _2, _3 );
-       snmp_option_dic["--level"]              = boost::bind( &l7vsadm::parse_opt_snmp_log_level_func, this, _1, _2, _3 );
-       // parameter option function dictionary create
-       parameter_option_dic["-r"]              = boost::bind( &l7vsadm::parse_opt_parameter_reload_func, this, _1, _2, _3 );
-       parameter_option_dic["--reload"]
-                                                                       = boost::bind( &l7vsadm::parse_opt_parameter_reload_func, this, _1, _2, _3 );
-
-       // string logcategory dictionary create
-       string_logcategory_dic["l7vsd_network"]                                 = LOG_CAT_L7VSD_NETWORK;
-       string_logcategory_dic["nw"]                                                    = LOG_CAT_L7VSD_NETWORK;
-       logcategory_string_dic[LOG_CAT_L7VSD_NETWORK]                   = "l7vsd_network";
-       string_logcategory_dic["l7vsd_network_qos"]                             = LOG_CAT_L7VSD_NETWORK_QOS;
-       string_logcategory_dic["nw_qos"]                                                = LOG_CAT_L7VSD_NETWORK_QOS;
-       logcategory_string_dic[LOG_CAT_L7VSD_NETWORK_QOS]               = "l7vsd_network_qos";
-       string_logcategory_dic["l7vsd_network_bandwidth"]               = LOG_CAT_L7VSD_NETWORK_BANDWIDTH;
-       string_logcategory_dic["nw_bw"]                                                 = LOG_CAT_L7VSD_NETWORK_BANDWIDTH;
-       logcategory_string_dic[LOG_CAT_L7VSD_NETWORK_BANDWIDTH] = "l7vsd_network_bandwidth";
-       string_logcategory_dic["l7vsd_network_num_connection"]  = LOG_CAT_L7VSD_NETWORK_NUM_CONNECTION;
-       string_logcategory_dic["nw_conn"]                                               = LOG_CAT_L7VSD_NETWORK_NUM_CONNECTION;
-       logcategory_string_dic[LOG_CAT_L7VSD_NETWORK_NUM_CONNECTION]
-                                                                                                                       = "l7vsd_network_num_connection";
-       string_logcategory_dic["l7vsd_network_access"]                  = LOG_CAT_L7VSD_NETWORK_ACCESS;
-       string_logcategory_dic["nw_acc"]                                                = LOG_CAT_L7VSD_NETWORK_ACCESS;
-       logcategory_string_dic[LOG_CAT_L7VSD_NETWORK_ACCESS]            = "l7vsd_network_access";
-       string_logcategory_dic["l7vsd_mainthread"]                              = LOG_CAT_L7VSD_MAINTHREAD;
-       string_logcategory_dic["mth"]                                                   = LOG_CAT_L7VSD_MAINTHREAD;
-       logcategory_string_dic[LOG_CAT_L7VSD_MAINTHREAD]                = "l7vsd_mainthread";
-       string_logcategory_dic["l7vsd_virtualservice"]                  = LOG_CAT_L7VSD_VIRTUALSERVICE;
-       string_logcategory_dic["vs"]                                                    = LOG_CAT_L7VSD_VIRTUALSERVICE;
-       logcategory_string_dic[LOG_CAT_L7VSD_VIRTUALSERVICE]    = "l7vsd_virtualservice";
-       string_logcategory_dic["l7vsd_virtualservice_thread"]   = LOG_CAT_L7VSD_VIRTUALSERVICE_THREAD;
-       string_logcategory_dic["vs_th"]                                                 = LOG_CAT_L7VSD_VIRTUALSERVICE_THREAD;
-       logcategory_string_dic[LOG_CAT_L7VSD_VIRTUALSERVICE_THREAD]
-                                                                                                                       = "l7vsd_virtualservice_thread";
-       string_logcategory_dic["l7vsd_session"]                                 = LOG_CAT_L7VSD_SESSION;
-       string_logcategory_dic["ss"]                                                    = LOG_CAT_L7VSD_SESSION;
-       logcategory_string_dic[LOG_CAT_L7VSD_SESSION]                   = "l7vsd_session";
-       string_logcategory_dic["l7vsd_session_thread"]                  = LOG_CAT_L7VSD_SESSION_THREAD;
-       string_logcategory_dic["ss_th"]                                                 = LOG_CAT_L7VSD_SESSION_THREAD;
-       logcategory_string_dic[LOG_CAT_L7VSD_SESSION_THREAD]    = "l7vsd_session_thread";
-       string_logcategory_dic["l7vsd_realserver"]                              = LOG_CAT_L7VSD_REALSERVER;
-       string_logcategory_dic["rs"]                                                    = LOG_CAT_L7VSD_REALSERVER;
-       logcategory_string_dic[LOG_CAT_L7VSD_REALSERVER]                = "l7vsd_realserver";
-       string_logcategory_dic["l7vsd_sorryserver"]                             = LOG_CAT_L7VSD_SORRYSERVER;
-       string_logcategory_dic["sorry"]                                                 = LOG_CAT_L7VSD_SORRYSERVER;
-       logcategory_string_dic[LOG_CAT_L7VSD_SORRYSERVER]               = "l7vsd_sorryserver";
-       string_logcategory_dic["l7vsd_module"]                                  = LOG_CAT_L7VSD_MODULE;
-       string_logcategory_dic["mod"]                                                   = LOG_CAT_L7VSD_MODULE;
-       logcategory_string_dic[LOG_CAT_L7VSD_MODULE]                    = "l7vsd_module";
-       string_logcategory_dic["l7vsd_replication"]                             = LOG_CAT_L7VSD_REPLICATION;
-       string_logcategory_dic["rep"]                                                   = LOG_CAT_L7VSD_REPLICATION;
-       logcategory_string_dic[LOG_CAT_L7VSD_REPLICATION]               = "l7vsd_replication";
-       string_logcategory_dic["l7vsd_replication_sendthread"]  = LOG_CAT_L7VSD_REPLICATION_SENDTHREAD;
-       string_logcategory_dic["rep_sth"]                                               = LOG_CAT_L7VSD_REPLICATION_SENDTHREAD;
-       logcategory_string_dic[LOG_CAT_L7VSD_REPLICATION_SENDTHREAD]
-                                                                                                                       = "l7vsd_replication_sendthread";
-       string_logcategory_dic["l7vsd_parameter"]                               = LOG_CAT_L7VSD_PARAMETER;
-       string_logcategory_dic["para"]                                                  = LOG_CAT_L7VSD_PARAMETER;
-       logcategory_string_dic[LOG_CAT_L7VSD_PARAMETER]                 = "l7vsd_parameter";
-       string_logcategory_dic["l7vsd_logger"]                                  = LOG_CAT_L7VSD_LOGGER;
-       string_logcategory_dic["logger"]                                                = LOG_CAT_L7VSD_LOGGER;
-       logcategory_string_dic[LOG_CAT_L7VSD_LOGGER]                    = "l7vsd_logger";
-       string_logcategory_dic["l7vsd_command"]                                 = LOG_CAT_L7VSD_COMMAND;
-       string_logcategory_dic["cmd"]                                                   = LOG_CAT_L7VSD_COMMAND;
-       logcategory_string_dic[LOG_CAT_L7VSD_COMMAND]                   = "l7vsd_command";
-       string_logcategory_dic["l7vsd_start_stop"]                              = LOG_CAT_L7VSD_START_STOP;
-       string_logcategory_dic["stastp"]                                                = LOG_CAT_L7VSD_START_STOP;
-       logcategory_string_dic[LOG_CAT_L7VSD_START_STOP]                = "l7vsd_start_stop";
-       string_logcategory_dic["l7vsd_system"]                                  = LOG_CAT_L7VSD_SYSTEM;
-       string_logcategory_dic["sys"]                                                   = LOG_CAT_L7VSD_SYSTEM;
-       logcategory_string_dic[LOG_CAT_L7VSD_SYSTEM]                    = "l7vsd_system";
-       string_logcategory_dic["l7vsd_system_memory"]                   = LOG_CAT_L7VSD_SYSTEM_MEMORY;
-       string_logcategory_dic["sys_mem"]                                               = LOG_CAT_L7VSD_SYSTEM_MEMORY;
-       logcategory_string_dic[LOG_CAT_L7VSD_SYSTEM_MEMORY]             = "l7vsd_system_memory";
-       string_logcategory_dic["l7vsd_system_endpoint"]                 = LOG_CAT_L7VSD_SYSTEM_ENDPOINT;
-       string_logcategory_dic["sys_ep"]                                                = LOG_CAT_L7VSD_SYSTEM_ENDPOINT;
-       logcategory_string_dic[LOG_CAT_L7VSD_SYSTEM_ENDPOINT]   = "l7vsd_system_endpoint";
-       string_logcategory_dic["l7vsd_system_signal"]                   = LOG_CAT_L7VSD_SYSTEM_SIGNAL;
-       string_logcategory_dic["sys_sig"]                                               = LOG_CAT_L7VSD_SYSTEM_SIGNAL;
-       logcategory_string_dic[LOG_CAT_L7VSD_SYSTEM_SIGNAL]             = "l7vsd_system_signal";
-       string_logcategory_dic["l7vsd_system_environment"]              = LOG_CAT_L7VSD_SYSTEM_ENVIRONMENT;
-       string_logcategory_dic["sys_env"]                                               = LOG_CAT_L7VSD_SYSTEM_ENVIRONMENT;
-       logcategory_string_dic[LOG_CAT_L7VSD_SYSTEM_ENVIRONMENT]
-                                                                                                                       = "l7vsd_system_environment";
-       string_logcategory_dic["l7vsd_snmpbridge"]                              = LOG_CAT_L7VSD_SNMPBRIDGE;
-       string_logcategory_dic["bridge"]                                                = LOG_CAT_L7VSD_SNMPBRIDGE;
-       logcategory_string_dic[LOG_CAT_L7VSD_SNMPBRIDGE]
-                                                                                                                       = "l7vsd_snmpbridge";
-       string_logcategory_dic["l7vsd_protocol"]                                = LOG_CAT_PROTOCOL;
-       string_logcategory_dic["prot"]                                                  = LOG_CAT_PROTOCOL;
-       logcategory_string_dic[LOG_CAT_PROTOCOL]                                = "l7vsd_protocol";
-       string_logcategory_dic["l7vsd_schedule"]                                = LOG_CAT_SCHEDULE;
-       string_logcategory_dic["sched"]                                                 = LOG_CAT_SCHEDULE;
-       logcategory_string_dic[LOG_CAT_SCHEDULE]                                = "l7vsd_schedule";
-       string_logcategory_dic["all"]                                                   = LOG_CAT_END;
-
-       // string snmp logcategory dictionary create 
-       string_snmp_logcategory_dic["snmpagent_start_stop"]                     = LOG_CAT_SNMPAGENT_START_STOP;
-       string_snmp_logcategory_dic["snmp_stastp"]                                      = LOG_CAT_SNMPAGENT_START_STOP;
-       snmp_logcategory_string_dic[LOG_CAT_SNMPAGENT_START_STOP]       = "snmpagent_start_stop";
-       string_snmp_logcategory_dic["snmpagent_manager_receive"]        = LOG_CAT_SNMPAGENT_MANAGER_RECEIVE;
-       string_snmp_logcategory_dic["snmp_mngrcv"]                                      = LOG_CAT_SNMPAGENT_MANAGER_RECEIVE;
-       snmp_logcategory_string_dic[LOG_CAT_SNMPAGENT_MANAGER_RECEIVE]
-                                                                                                                               = "snmpagent_manager_receive";
-       string_snmp_logcategory_dic["snmpagent_manager_send"]           = LOG_CAT_SNMPAGENT_MANAGER_SEND;
-       string_snmp_logcategory_dic["snmp_mngsnd"]                                      = LOG_CAT_SNMPAGENT_MANAGER_SEND;
-       snmp_logcategory_string_dic[LOG_CAT_SNMPAGENT_MANAGER_SEND]     = "snmpagent_manager_send";
-       string_snmp_logcategory_dic["snmpagent_l7vsd_receive"]          = LOG_CAT_SNMPAGENT_L7VSD_RECEIVE;
-       string_snmp_logcategory_dic["snmp_vsdrcv"]                                      = LOG_CAT_SNMPAGENT_L7VSD_RECEIVE;
-       snmp_logcategory_string_dic[LOG_CAT_SNMPAGENT_L7VSD_RECEIVE]
-                                                                                                                               = "snmpagent_l7vsd_receive";
-       string_snmp_logcategory_dic["snmpagent_l7vsd_send"]                     = LOG_CAT_SNMPAGENT_L7VSD_SEND;
-       string_snmp_logcategory_dic["snmp_vsdsnd"]                                      = LOG_CAT_SNMPAGENT_L7VSD_SEND;
-       snmp_logcategory_string_dic[LOG_CAT_SNMPAGENT_L7VSD_SEND]       = "snmpagent_l7vsd_send";
-       string_snmp_logcategory_dic["snmpagent_logger"]                         = LOG_CAT_SNMPAGENT_LOGGER;
-       string_snmp_logcategory_dic["snmp_logger"]                                      = LOG_CAT_SNMPAGENT_LOGGER;
-       snmp_logcategory_string_dic[LOG_CAT_SNMPAGENT_LOGGER]           = "snmpagent_logger";
-       string_snmp_logcategory_dic["snmpagent_parameter"]                      = LOG_CAT_SNMPAGENT_PARAMETER;
-       string_snmp_logcategory_dic["snmp_para"]                                        = LOG_CAT_SNMPAGENT_PARAMETER;
-       snmp_logcategory_string_dic[LOG_CAT_SNMPAGENT_PARAMETER]        = "snmpagent_parameter";
-       string_snmp_logcategory_dic["snmpagent_system"]                         = LOG_CAT_SNMPAGENT_SYSTEM;
-       string_snmp_logcategory_dic["snmp_sys"]                                         = LOG_CAT_SNMPAGENT_SYSTEM;
-       snmp_logcategory_string_dic[LOG_CAT_SNMPAGENT_SYSTEM]           = "snmpagent_system";
-       string_snmp_logcategory_dic["snmpagent_system_memory"]          = LOG_CAT_SNMPAGENT_SYSTEM_MEMORY;
-       string_snmp_logcategory_dic["snmp_sys_mem"]                                     = LOG_CAT_SNMPAGENT_SYSTEM_MEMORY;
-       snmp_logcategory_string_dic[LOG_CAT_SNMPAGENT_SYSTEM_MEMORY]
-                                                                                                                               = "snmpagent_system_memory";
-       string_snmp_logcategory_dic["snmpagent_system_endpoint"]        = LOG_CAT_SNMPAGENT_SYSTEM_ENDPOINT;
-       string_snmp_logcategory_dic["snmp_sys_ep"]                                      = LOG_CAT_SNMPAGENT_SYSTEM_ENDPOINT;
-       snmp_logcategory_string_dic[LOG_CAT_SNMPAGENT_SYSTEM_ENDPOINT]
-                                                                                                                               = "snmpagent_system_endpoint";
-       string_snmp_logcategory_dic["snmpagent_system_signal"]          = LOG_CAT_SNMPAGENT_SYSTEM_SIGNAL;
-       string_snmp_logcategory_dic["snmp_sys_sig"]                                     = LOG_CAT_SNMPAGENT_SYSTEM_SIGNAL;
-       snmp_logcategory_string_dic[LOG_CAT_SNMPAGENT_SYSTEM_SIGNAL]
-                                                                                                                               = "snmpagent_system_signal";
-       string_snmp_logcategory_dic["snmpagent_system_environment"]     = LOG_CAT_SNMPAGENT_SYSTEM_ENVIRONMENT;
-       string_snmp_logcategory_dic["snmp_sys_env"]                                     = LOG_CAT_SNMPAGENT_SYSTEM_ENVIRONMENT;
-       snmp_logcategory_string_dic[LOG_CAT_SNMPAGENT_SYSTEM_ENVIRONMENT]
-                                                                                                                               = "snmpagent_system_environment";
-       string_snmp_logcategory_dic["all"]                                                      = LOG_CAT_END;
-
-       // string log level dictionary create.
-       string_loglevel_dic["debug"]            = LOG_LV_DEBUG;
-       loglevel_string_dic[LOG_LV_DEBUG]       = "debug";
-       string_loglevel_dic["info"]                     = LOG_LV_INFO;
-       loglevel_string_dic[LOG_LV_INFO]        = "info";
-       string_loglevel_dic["warn"]                     = LOG_LV_WARN;
-       loglevel_string_dic[LOG_LV_WARN]        = "warn";
-       string_loglevel_dic["error"]            = LOG_LV_ERROR;
-       loglevel_string_dic[LOG_LV_ERROR]       = "error";
-       string_loglevel_dic["fatal"]            = LOG_LV_FATAL;
-       loglevel_string_dic[LOG_LV_FATAL]       = "fatal";
-
-       // parameter category dictionary create
-       string_parameter_dic["all"]                             = PARAM_COMP_ALL;
-       string_parameter_dic["l7vsd"]                   = PARAM_COMP_L7VSD;
-       string_parameter_dic["command"]                 = PARAM_COMP_COMMAND;
-       string_parameter_dic["session"]                 = PARAM_COMP_SESSION;
-       string_parameter_dic["virtualservice"]  = PARAM_COMP_VIRTUALSERVICE;
-       string_parameter_dic["module"]                  = PARAM_COMP_MODULE;
-       string_parameter_dic["replication"]             = PARAM_COMP_REPLICATION;
-       string_parameter_dic["logger"]                  = PARAM_COMP_LOGGER;
-       string_parameter_dic["l7vsadm"]                 = PARAM_COMP_L7VSADM;
-       string_parameter_dic["snmpagent"]               = PARAM_COMP_SNMPAGENT;
-       string_parameter_dic["sslproxy"]                = PARAM_COMP_SSLPROXY;
-       string_parameter_dic["ssl"]                     = PARAM_COMP_SSL;
-
-       // create disp_result dictionary.
-       disp_result_dic[l7vsadm_request::CMD_LIST]                      = boost::bind( &l7vsadm::disp_list, this );
-       disp_result_dic[l7vsadm_request::CMD_LIST_KEY]          = boost::bind( &l7vsadm::disp_list_key, this );
-       disp_result_dic[l7vsadm_request::CMD_LIST_VERBOSE]      = boost::bind( &l7vsadm::disp_list_verbose, this );
-
-       // response_message_dic create
-       response_error_message_dic[l7vsd_response::RESPONSE_ERROR]                              = "command error : ";
-       response_error_message_dic[l7vsd_response::RESPONSE_LIST_ERROR]                 = "list command error : ";
-       response_error_message_dic[l7vsd_response::RESPONSE_LIST_VERBOSE_ERROR] = "list verbose error : ";
-       response_error_message_dic[l7vsd_response::RESPONSE_LIST_KEY_ERROR]             = "list key error : ";
-       response_error_message_dic[l7vsd_response::RESPONSE_ADD_VS_ERROR]               = "add vs error : ";
-       response_error_message_dic[l7vsd_response::RESPONSE_DEL_VS_ERROR]               = "del vs error : ";
-       response_error_message_dic[l7vsd_response::RESPONSE_EDIT_VS_ERROR]              = "edit vs error : ";
-       response_error_message_dic[l7vsd_response::RESPONSE_FLUSH_VS_ERROR]             = "flush vs error : ";
-       response_error_message_dic[l7vsd_response::RESPONSE_ADD_RS_ERROR]               = "add rs error : ";
-       response_error_message_dic[l7vsd_response::RESPONSE_DEL_RS_ERROR]               = "del rs error : ";
-       response_error_message_dic[l7vsd_response::RESPONSE_EDIT_RS_ERROR]              = "edit rs error : ";
-       response_error_message_dic[l7vsd_response::RESPONSE_REPLICATION_ERROR]  = "replication command error : ";
-       response_error_message_dic[l7vsd_response::RESPONSE_LOG_ERROR]                  = "log command error : ";
-       response_error_message_dic[l7vsd_response::RESPONSE_SNMP_ERROR]                 = "snmp command error : ";
-       response_error_message_dic[l7vsd_response::RESPONSE_PARAMETER_ERROR]    = "parameter error : ";
-
-       replication_mode_string_dic[replication::REPLICATION_OUT]                       = "OUT";
-       replication_mode_string_dic[replication::REPLICATION_SINGLE]            = "SINGLE";
-       replication_mode_string_dic[replication::REPLICATION_MASTER]            = "MASTER";
-       replication_mode_string_dic[replication::REPLICATION_SLAVE]                     = "SLAVE";
-       replication_mode_string_dic[replication::REPLICATION_MASTER_STOP]       = "MASTER_STOP";
-       replication_mode_string_dic[replication::REPLICATION_SLAVE_STOP]        = "SLAVE_STOP";
-
+        :   numeric_flag(false),
+            command_wait_interval(L7VSADM_DEFAULT_WAIT_INTERVAL),
+            command_wait_count(L7VSADM_DEFAULT_WAIT_COUNT)
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 35, "l7vsadm::l7vsadm(constructor)", __FILE__, __LINE__);
+
+        // create command dictionary.
+        command_dic["-l"]               = boost::bind(&l7vsadm::parse_list_func, this, l7vsadm_request::CMD_LIST, _1, _2);
+        command_dic["--list"]           = boost::bind(&l7vsadm::parse_list_func, this, l7vsadm_request::CMD_LIST, _1, _2);
+        command_dic["-V"]               = boost::bind(&l7vsadm::parse_list_func, this, l7vsadm_request::CMD_LIST_VERBOSE, _1, _2);
+        command_dic["--verbose"]        = boost::bind(&l7vsadm::parse_list_func, this, l7vsadm_request::CMD_LIST_VERBOSE, _1, _2);
+        command_dic["-K"]               = boost::bind(&l7vsadm::parse_list_func, this, l7vsadm_request::CMD_LIST_KEY, _1, _2);
+        command_dic["--key"]            = boost::bind(&l7vsadm::parse_list_func, this, l7vsadm_request::CMD_LIST_KEY, _1, _2);
+        command_dic["-A"]               = boost::bind(&l7vsadm::parse_vs_func, this, l7vsadm_request::CMD_ADD_VS, _1, _2);
+        command_dic["--add-service"]    = boost::bind(&l7vsadm::parse_vs_func, this, l7vsadm_request::CMD_ADD_VS, _1, _2);
+        command_dic["-D"]               = boost::bind(&l7vsadm::parse_vs_func, this, l7vsadm_request::CMD_DEL_VS, _1, _2);
+        command_dic["--delete-service"] = boost::bind(&l7vsadm::parse_vs_func, this, l7vsadm_request::CMD_DEL_VS, _1, _2);
+        command_dic["-E"]               = boost::bind(&l7vsadm::parse_vs_func, this, l7vsadm_request::CMD_EDIT_VS, _1, _2);
+        command_dic["--edit-service"]   = boost::bind(&l7vsadm::parse_vs_func, this, l7vsadm_request::CMD_EDIT_VS, _1, _2);
+        command_dic["-C"]               = boost::bind(&l7vsadm::parse_vs_func, this, l7vsadm_request::CMD_FLUSH_VS, _1, _2);
+        command_dic["--flush"]          = boost::bind(&l7vsadm::parse_vs_func, this, l7vsadm_request::CMD_FLUSH_VS, _1, _2);
+        command_dic["-a"]               = boost::bind(&l7vsadm::parse_rs_func, this, l7vsadm_request::CMD_ADD_RS, _1, _2);
+        command_dic["--add-server"]     = boost::bind(&l7vsadm::parse_rs_func, this, l7vsadm_request::CMD_ADD_RS, _1, _2);
+        command_dic["-d"]               = boost::bind(&l7vsadm::parse_rs_func, this, l7vsadm_request::CMD_DEL_RS, _1, _2);
+        command_dic["--delete-server"]  = boost::bind(&l7vsadm::parse_rs_func, this, l7vsadm_request::CMD_DEL_RS, _1, _2);
+        command_dic["-e"]               = boost::bind(&l7vsadm::parse_rs_func, this, l7vsadm_request::CMD_EDIT_RS, _1, _2);
+        command_dic["--edit-server"]    = boost::bind(&l7vsadm::parse_rs_func, this, l7vsadm_request::CMD_EDIT_RS, _1, _2);
+        command_dic["-R"]               = boost::bind(&l7vsadm::parse_replication_func, this, l7vsadm_request::CMD_REPLICATION, _1, _2);
+        command_dic["--replication"]    = boost::bind(&l7vsadm::parse_replication_func, this, l7vsadm_request::CMD_REPLICATION, _1, _2);
+        command_dic["-L"]               = boost::bind(&l7vsadm::parse_log_func, this, l7vsadm_request::CMD_LOG, _1, _2);
+        command_dic["--log"]            = boost::bind(&l7vsadm::parse_log_func, this, l7vsadm_request::CMD_LOG, _1, _2);
+        command_dic["-S"]               = boost::bind(&l7vsadm::parse_snmp_func, this, l7vsadm_request::CMD_SNMP, _1, _2);
+        command_dic["--snmp"]           = boost::bind(&l7vsadm::parse_snmp_func, this, l7vsadm_request::CMD_SNMP, _1, _2);
+        command_dic["-P"]               = boost::bind(&l7vsadm::parse_parameter_func, this, l7vsadm_request::CMD_PARAMETER, _1, _2);
+        command_dic["--parameter"]      = boost::bind(&l7vsadm::parse_parameter_func, this, l7vsadm_request::CMD_PARAMETER, _1, _2);
+        command_dic["-h"]               = boost::bind(&l7vsadm::parse_help_func, this, l7vsadm_request::CMD_HELP, _1, _2);
+        command_dic["--help"]           = boost::bind(&l7vsadm::parse_help_func, this, l7vsadm_request::CMD_HELP, _1, _2);
+
+        // create list option dictionary.
+        list_option_dic["-n"]        = boost::bind(&l7vsadm::parse_opt_list_numeric_func, this, _1, _2, _3);
+        list_option_dic["--numeric"] = boost::bind(&l7vsadm::parse_opt_list_numeric_func, this, _1, _2, _3);
+
+        // create virtualservice option dictionary
+        vs_option_dic["-t"]                = boost::bind(&l7vsadm::parse_opt_vs_target_func, this, _1, _2, _3);
+        vs_option_dic["--tcp-service"]     = boost::bind(&l7vsadm::parse_opt_vs_target_func, this, _1, _2, _3);
+        vs_option_dic["-m"]                = boost::bind(&l7vsadm::parse_opt_vs_module_func, this, _1, _2, _3);
+        vs_option_dic["--proto-module"]    = boost::bind(&l7vsadm::parse_opt_vs_module_func, this, _1, _2, _3);
+        vs_option_dic["-s"]                = boost::bind(&l7vsadm::parse_opt_vs_scheduler_func, this, _1, _2, _3);
+        vs_option_dic["--scheduler"]       = boost::bind(&l7vsadm::parse_opt_vs_scheduler_func, this, _1, _2, _3);
+        vs_option_dic["-u"]                = boost::bind(&l7vsadm::parse_opt_vs_upper_func, this, _1, _2, _3);
+        vs_option_dic["--upper"]           = boost::bind(&l7vsadm::parse_opt_vs_upper_func, this, _1, _2, _3);
+        vs_option_dic["-b"]                = boost::bind(&l7vsadm::parse_opt_vs_bypass_func, this, _1, _2, _3);
+        vs_option_dic["--bypass"]          = boost::bind(&l7vsadm::parse_opt_vs_bypass_func, this, _1, _2, _3);
+        vs_option_dic["-T"]                = boost::bind(&l7vsadm::parse_opt_vs_fwdmode_func, this, _1, _2, _3);
+        vs_option_dic["--tproxy"]          = boost::bind(&l7vsadm::parse_opt_vs_fwdmode_func, this, _1, _2, _3);
+        vs_option_dic["-M"]                = boost::bind(&l7vsadm::parse_opt_vs_fwdmode_func, this, _1, _2, _3);
+        vs_option_dic["--masq"]            = boost::bind(&l7vsadm::parse_opt_vs_fwdmode_func, this, _1, _2, _3);
+        vs_option_dic["-f"]                = boost::bind(&l7vsadm::parse_opt_vs_flag_func, this, _1, _2, _3);
+        vs_option_dic["--flag"]            = boost::bind(&l7vsadm::parse_opt_vs_flag_func, this, _1, _2, _3);
+        vs_option_dic["-Q"]                = boost::bind(&l7vsadm::parse_opt_vs_qosup_func, this, _1, _2, _3);
+        vs_option_dic["--qos-up"]          = boost::bind(&l7vsadm::parse_opt_vs_qosup_func, this, _1, _2, _3);
+        vs_option_dic["-q"]                = boost::bind(&l7vsadm::parse_opt_vs_qosdown_func, this, _1, _2, _3);
+        vs_option_dic["--qos-down"]        = boost::bind(&l7vsadm::parse_opt_vs_qosdown_func, this, _1, _2, _3);
+        vs_option_dic["-p"]                = boost::bind(&l7vsadm::parse_opt_vs_udp_func, this, _1, _2, _3);
+        vs_option_dic["--udp"]             = boost::bind(&l7vsadm::parse_opt_vs_udp_func, this, _1, _2, _3);
+        vs_option_dic["-z"]                = boost::bind(&l7vsadm::parse_opt_vs_ssl_file_func, this, _1, _2, _3);
+        vs_option_dic["--ssl"]             = boost::bind(&l7vsadm::parse_opt_vs_ssl_file_func, this, _1, _2, _3);
+        vs_option_dic["-O"]                = boost::bind(&l7vsadm::parse_opt_vs_socket_func, this, _1, _2, _3);
+        vs_option_dic["--sockopt"]         = boost::bind(&l7vsadm::parse_opt_vs_socket_func, this, _1, _2, _3);
+        vs_option_dic["-L"]                = boost::bind(&l7vsadm::parse_opt_vs_access_log_func, this, _1, _2, _3);
+        vs_option_dic["--access-log"]      = boost::bind(&l7vsadm::parse_opt_vs_access_log_func, this, _1, _2, _3);
+        vs_option_dic["-a"]                = boost::bind(&l7vsadm::parse_opt_vs_access_log_logrotate_func, this, _1, _2, _3);
+        vs_option_dic["--access-log-name"] = boost::bind(&l7vsadm::parse_opt_vs_access_log_logrotate_func, this, _1, _2, _3);
+
+        // create realserver option dictionary
+        rs_option_dic["-t"]             = boost::bind(&l7vsadm::parse_opt_vs_target_func, this, _1, _2, _3);
+        rs_option_dic["--tcp-service"]  = boost::bind(&l7vsadm::parse_opt_vs_target_func, this, _1, _2, _3);
+        rs_option_dic["-w"]             = boost::bind(&l7vsadm::parse_opt_rs_weight_func, this, _1, _2, _3);
+        rs_option_dic["--weight"]       = boost::bind(&l7vsadm::parse_opt_rs_weight_func, this, _1, _2, _3);
+        rs_option_dic["-T"]             = boost::bind(&l7vsadm::parse_opt_rs_fwdmode_func, this, _1, _2, _3);
+        rs_option_dic["--tproxy"]       = boost::bind(&l7vsadm::parse_opt_rs_fwdmode_func, this, _1, _2, _3);
+        rs_option_dic["-M"]             = boost::bind(&l7vsadm::parse_opt_rs_fwdmode_func, this, _1, _2, _3);
+        rs_option_dic["--masq"]         = boost::bind(&l7vsadm::parse_opt_rs_fwdmode_func, this, _1, _2, _3);
+        rs_option_dic["-m"]             = boost::bind(&l7vsadm::parse_opt_vs_module_func, this, _1, _2, _3);
+        rs_option_dic["--proto-module"] = boost::bind(&l7vsadm::parse_opt_vs_module_func, this, _1, _2, _3);
+        rs_option_dic["-p"]             = boost::bind(&l7vsadm::parse_opt_vs_udp_func, this, _1, _2, _3);
+        rs_option_dic["--udp"]          = boost::bind(&l7vsadm::parse_opt_vs_udp_func, this, _1, _2, _3);
+        rs_option_dic["-r"]             = boost::bind(&l7vsadm::parse_opt_rs_realserver_func, this, _1, _2, _3);
+        rs_option_dic["--real-server"]  = boost::bind(&l7vsadm::parse_opt_rs_realserver_func, this, _1, _2, _3);
+
+        // create replication option dictionary
+        replication_option_dic["-s"]           = boost::bind(&l7vsadm::parse_opt_replication_switch_func, this, _1, _2, _3);
+        replication_option_dic["--switch"]     = boost::bind(&l7vsadm::parse_opt_replication_switch_func, this, _1, _2, _3);
+        replication_switch_option_dic["start"] = boost::bind(&l7vsadm::parse_opt_replication_start_func, this, _1, _2, _3);
+        replication_switch_option_dic["stop"]  = boost::bind(&l7vsadm::parse_opt_replication_stop_func, this, _1, _2, _3);
+        replication_option_dic["-f"]           = boost::bind(&l7vsadm::parse_opt_replication_force_func, this, _1, _2, _3);
+        replication_option_dic["--force"]      = boost::bind(&l7vsadm::parse_opt_replication_force_func, this, _1, _2, _3);
+        replication_option_dic["-d"]           = boost::bind(&l7vsadm::parse_opt_replication_dump_func, this, _1, _2, _3);
+        replication_option_dic["--dump"]       = boost::bind(&l7vsadm::parse_opt_replication_dump_func, this, _1, _2, _3);
+
+        // create log option function dictionary create
+        log_option_dic["-c"]         = boost::bind(&l7vsadm::parse_opt_log_category_func, this, _1, _2, _3);
+        log_option_dic["--category"] = boost::bind(&l7vsadm::parse_opt_log_category_func, this, _1, _2, _3);
+        log_option_dic["-l"]         = boost::bind(&l7vsadm::parse_opt_log_level_func, this, _1, _2, _3);
+        log_option_dic["--level"]    = boost::bind(&l7vsadm::parse_opt_log_level_func, this, _1, _2, _3);
+
+        // snmp agent option function dictionary create
+       snmp_option_dic["-r"]               = boost::bind(&l7vsadm::parse_opt_snmp_refresh_func, this, _1, _2, _3);
+        snmp_option_dic["--refresh"]        = boost::bind(&l7vsadm::parse_opt_snmp_refresh_func, this, _1, _2, _3);
+        snmp_option_dic["-f"]            = boost::bind(&l7vsadm::parse_opt_snmp_flag_func, this, _1, _2, _3);
+        snmp_option_dic["--flag"]        = boost::bind(&l7vsadm::parse_opt_snmp_flag_func, this, _1, _2, _3);
+        snmp_option_dic["-i"]            = boost::bind(&l7vsadm::parse_opt_snmp_interval_func, this, _1, _2, _3);
+        snmp_option_dic["--interval"]        = boost::bind(&l7vsadm::parse_opt_snmp_interval_func, this, _1, _2, _3);
+        snmp_option_dic["-t"]            = boost::bind(&l7vsadm::parse_opt_snmp_log_trap_func, this, _1, _2, _3);
+        snmp_option_dic["--logtrap"]        = boost::bind(&l7vsadm::parse_opt_snmp_log_trap_func, this, _1, _2, _3);
+        snmp_option_dic["-l"]            = boost::bind(&l7vsadm::parse_opt_snmp_log_trap_level_func, this, _1, _2, _3);
+        snmp_option_dic["--logtraplevel"]     = boost::bind(&l7vsadm::parse_opt_snmp_log_trap_level_func, this, _1, _2, _3);
+        snmp_vs_option_dic["-t"]        = boost::bind(&l7vsadm::parse_opt_snmp_vs_target_func, this, _1, _2, _3);
+        snmp_vs_option_dic["--tcp-service"]    = boost::bind(&l7vsadm::parse_opt_snmp_vs_target_func, this, _1, _2, _3);
+        snmp_vs_option_dic["-m"]        = boost::bind(&l7vsadm::parse_opt_snmp_vs_module_func, this, _1, _2, _3);
+        snmp_vs_option_dic["--proto-module"]    = boost::bind(&l7vsadm::parse_opt_snmp_vs_module_func, this, _1, _2, _3);
+        // parameter option function dictionary create
+        parameter_option_dic["-r"]       = boost::bind(&l7vsadm::parse_opt_parameter_reload_func, this, _1, _2, _3);
+        parameter_option_dic["--reload"] = boost::bind(&l7vsadm::parse_opt_parameter_reload_func, this, _1, _2, _3);
+
+        // string logcategory dictionary create
+        string_logcategory_dic["l7vsd_network"]                      = LOG_CAT_L7VSD_NETWORK;
+        string_logcategory_dic["nw"]                                 = LOG_CAT_L7VSD_NETWORK;
+        logcategory_string_dic[LOG_CAT_L7VSD_NETWORK]                = "l7vsd_network";
+        string_logcategory_dic["l7vsd_network_qos"]                  = LOG_CAT_L7VSD_NETWORK_QOS;
+        string_logcategory_dic["nw_qos"]                             = LOG_CAT_L7VSD_NETWORK_QOS;
+        logcategory_string_dic[LOG_CAT_L7VSD_NETWORK_QOS]            = "l7vsd_network_qos";
+        string_logcategory_dic["l7vsd_network_bandwidth"]            = LOG_CAT_L7VSD_NETWORK_BANDWIDTH;
+        string_logcategory_dic["nw_bw"]                              = LOG_CAT_L7VSD_NETWORK_BANDWIDTH;
+        logcategory_string_dic[LOG_CAT_L7VSD_NETWORK_BANDWIDTH]      = "l7vsd_network_bandwidth";
+        string_logcategory_dic["l7vsd_network_num_connection"]       = LOG_CAT_L7VSD_NETWORK_NUM_CONNECTION;
+        string_logcategory_dic["nw_conn"]                            = LOG_CAT_L7VSD_NETWORK_NUM_CONNECTION;
+        logcategory_string_dic[LOG_CAT_L7VSD_NETWORK_NUM_CONNECTION] = "l7vsd_network_num_connection";
+        string_logcategory_dic["l7vsd_network_access"]               = LOG_CAT_L7VSD_NETWORK_ACCESS;
+        string_logcategory_dic["nw_acc"]                             = LOG_CAT_L7VSD_NETWORK_ACCESS;
+        logcategory_string_dic[LOG_CAT_L7VSD_NETWORK_ACCESS]         = "l7vsd_network_access";
+        string_logcategory_dic["l7vsd_mainthread"]                   = LOG_CAT_L7VSD_MAINTHREAD;
+        string_logcategory_dic["mth"]                                = LOG_CAT_L7VSD_MAINTHREAD;
+        logcategory_string_dic[LOG_CAT_L7VSD_MAINTHREAD]             = "l7vsd_mainthread";
+        string_logcategory_dic["l7vsd_virtualservice"]               = LOG_CAT_L7VSD_VIRTUALSERVICE;
+        string_logcategory_dic["vs"]                                 = LOG_CAT_L7VSD_VIRTUALSERVICE;
+        logcategory_string_dic[LOG_CAT_L7VSD_VIRTUALSERVICE]         = "l7vsd_virtualservice";
+        string_logcategory_dic["l7vsd_virtualservice_thread"]        = LOG_CAT_L7VSD_VIRTUALSERVICE_THREAD;
+        string_logcategory_dic["vs_th"]                              = LOG_CAT_L7VSD_VIRTUALSERVICE_THREAD;
+        logcategory_string_dic[LOG_CAT_L7VSD_VIRTUALSERVICE_THREAD]  = "l7vsd_virtualservice_thread";
+        string_logcategory_dic["l7vsd_session"]                      = LOG_CAT_L7VSD_SESSION;
+        string_logcategory_dic["ss"]                                 = LOG_CAT_L7VSD_SESSION;
+        logcategory_string_dic[LOG_CAT_L7VSD_SESSION]                = "l7vsd_session";
+        string_logcategory_dic["l7vsd_session_thread"]               = LOG_CAT_L7VSD_SESSION_THREAD;
+        string_logcategory_dic["ss_th"]                              = LOG_CAT_L7VSD_SESSION_THREAD;
+        logcategory_string_dic[LOG_CAT_L7VSD_SESSION_THREAD]         = "l7vsd_session_thread";
+        string_logcategory_dic["l7vsd_realserver"]                   = LOG_CAT_L7VSD_REALSERVER;
+        string_logcategory_dic["rs"]                                 = LOG_CAT_L7VSD_REALSERVER;
+        logcategory_string_dic[LOG_CAT_L7VSD_REALSERVER]             = "l7vsd_realserver";
+        string_logcategory_dic["l7vsd_sorryserver"]                  = LOG_CAT_L7VSD_SORRYSERVER;
+        string_logcategory_dic["sorry"]                              = LOG_CAT_L7VSD_SORRYSERVER;
+        logcategory_string_dic[LOG_CAT_L7VSD_SORRYSERVER]            = "l7vsd_sorryserver";
+        string_logcategory_dic["l7vsd_module"]                       = LOG_CAT_L7VSD_MODULE;
+        string_logcategory_dic["mod"]                                = LOG_CAT_L7VSD_MODULE;
+        logcategory_string_dic[LOG_CAT_L7VSD_MODULE]                 = "l7vsd_module";
+        string_logcategory_dic["l7vsd_replication"]                  = LOG_CAT_L7VSD_REPLICATION;
+        string_logcategory_dic["rep"]                                = LOG_CAT_L7VSD_REPLICATION;
+        logcategory_string_dic[LOG_CAT_L7VSD_REPLICATION]            = "l7vsd_replication";
+        string_logcategory_dic["l7vsd_replication_sendthread"]       = LOG_CAT_L7VSD_REPLICATION_SENDTHREAD;
+        string_logcategory_dic["rep_sth"]                            = LOG_CAT_L7VSD_REPLICATION_SENDTHREAD;
+        logcategory_string_dic[LOG_CAT_L7VSD_REPLICATION_SENDTHREAD] = "l7vsd_replication_sendthread";
+        string_logcategory_dic["l7vsd_parameter"]                    = LOG_CAT_L7VSD_PARAMETER;
+        string_logcategory_dic["para"]                               = LOG_CAT_L7VSD_PARAMETER;
+        logcategory_string_dic[LOG_CAT_L7VSD_PARAMETER]              = "l7vsd_parameter";
+        string_logcategory_dic["l7vsd_logger"]                       = LOG_CAT_L7VSD_LOGGER;
+        string_logcategory_dic["logger"]                             = LOG_CAT_L7VSD_LOGGER;
+        logcategory_string_dic[LOG_CAT_L7VSD_LOGGER]                 = "l7vsd_logger";
+        string_logcategory_dic["l7vsd_command"]                      = LOG_CAT_L7VSD_COMMAND;
+        string_logcategory_dic["cmd"]                                = LOG_CAT_L7VSD_COMMAND;
+        logcategory_string_dic[LOG_CAT_L7VSD_COMMAND]                = "l7vsd_command";
+        string_logcategory_dic["l7vsd_start_stop"]                   = LOG_CAT_L7VSD_START_STOP;
+        string_logcategory_dic["stastp"]                             = LOG_CAT_L7VSD_START_STOP;
+        logcategory_string_dic[LOG_CAT_L7VSD_START_STOP]             = "l7vsd_start_stop";
+        string_logcategory_dic["l7vsd_system"]                       = LOG_CAT_L7VSD_SYSTEM;
+        string_logcategory_dic["sys"]                                = LOG_CAT_L7VSD_SYSTEM;
+        logcategory_string_dic[LOG_CAT_L7VSD_SYSTEM]                 = "l7vsd_system";
+        string_logcategory_dic["l7vsd_system_memory"]                = LOG_CAT_L7VSD_SYSTEM_MEMORY;
+        string_logcategory_dic["sys_mem"]                            = LOG_CAT_L7VSD_SYSTEM_MEMORY;
+        logcategory_string_dic[LOG_CAT_L7VSD_SYSTEM_MEMORY]          = "l7vsd_system_memory";
+        string_logcategory_dic["l7vsd_system_endpoint"]              = LOG_CAT_L7VSD_SYSTEM_ENDPOINT;
+        string_logcategory_dic["sys_ep"]                             = LOG_CAT_L7VSD_SYSTEM_ENDPOINT;
+        logcategory_string_dic[LOG_CAT_L7VSD_SYSTEM_ENDPOINT]        = "l7vsd_system_endpoint";
+        string_logcategory_dic["l7vsd_system_signal"]                = LOG_CAT_L7VSD_SYSTEM_SIGNAL;
+        string_logcategory_dic["sys_sig"]                            = LOG_CAT_L7VSD_SYSTEM_SIGNAL;
+        logcategory_string_dic[LOG_CAT_L7VSD_SYSTEM_SIGNAL]          = "l7vsd_system_signal";
+        string_logcategory_dic["l7vsd_system_environment"]           = LOG_CAT_L7VSD_SYSTEM_ENVIRONMENT;
+        string_logcategory_dic["sys_env"]                            = LOG_CAT_L7VSD_SYSTEM_ENVIRONMENT;
+        logcategory_string_dic[LOG_CAT_L7VSD_SYSTEM_ENVIRONMENT]     = "l7vsd_system_environment";
+       string_logcategory_dic["l7vsd_snmpagent"]                    = LOG_CAT_L7VSD_SNMPAGENT;
+        string_logcategory_dic["agent"]                              = LOG_CAT_L7VSD_SNMPAGENT;
+        logcategory_string_dic[LOG_CAT_L7VSD_SNMPAGENT]              = "l7vsd_snmpagent";
+        string_logcategory_dic["l7vsd_protocol"]                     = LOG_CAT_PROTOCOL;
+        string_logcategory_dic["prot"]                               = LOG_CAT_PROTOCOL;
+        logcategory_string_dic[LOG_CAT_PROTOCOL]                     = "l7vsd_protocol";
+        string_logcategory_dic["l7vsd_schedule"]                     = LOG_CAT_SCHEDULE;
+        string_logcategory_dic["sched"]                              = LOG_CAT_SCHEDULE;
+        logcategory_string_dic[LOG_CAT_SCHEDULE]                     = "l7vsd_schedule";
+        string_logcategory_dic["all"]                                = LOG_CAT_END;
+
+        // string log level dictionary create.
+        string_loglevel_dic["debug"]      = LOG_LV_DEBUG;
+        loglevel_string_dic[LOG_LV_DEBUG] = "debug";
+        string_loglevel_dic["info"]       = LOG_LV_INFO;
+        loglevel_string_dic[LOG_LV_INFO]  = "info";
+        string_loglevel_dic["warn"]       = LOG_LV_WARN;
+        loglevel_string_dic[LOG_LV_WARN]  = "warn";
+        string_loglevel_dic["error"]      = LOG_LV_ERROR;
+        loglevel_string_dic[LOG_LV_ERROR] = "error";
+        string_loglevel_dic["fatal"]      = LOG_LV_FATAL;
+        loglevel_string_dic[LOG_LV_FATAL] = "fatal";
+
+        // parameter category dictionary create
+        string_parameter_dic["all"]            = PARAM_COMP_ALL;
+        string_parameter_dic["l7vsd"]          = PARAM_COMP_L7VSD;
+        string_parameter_dic["command"]        = PARAM_COMP_COMMAND;
+        string_parameter_dic["session"]        = PARAM_COMP_SESSION;
+        string_parameter_dic["virtualservice"] = PARAM_COMP_VIRTUALSERVICE;
+        string_parameter_dic["module"]         = PARAM_COMP_MODULE;
+        string_parameter_dic["replication"]    = PARAM_COMP_REPLICATION;
+        string_parameter_dic["logger"]         = PARAM_COMP_LOGGER;
+        string_parameter_dic["l7vsadm"]        = PARAM_COMP_L7VSADM;
+        string_parameter_dic["snmpagent"]      = PARAM_COMP_SNMPAGENT;
+        string_parameter_dic["ssl"]            = PARAM_COMP_SSL;
+
+        // create disp_result dictionary.
+        disp_result_dic[l7vsadm_request::CMD_LIST]         = boost::bind(&l7vsadm::disp_list, this);
+        disp_result_dic[l7vsadm_request::CMD_LIST_KEY]     = boost::bind(&l7vsadm::disp_list_key, this);
+        disp_result_dic[l7vsadm_request::CMD_LIST_VERBOSE] = boost::bind(&l7vsadm::disp_list_verbose, this);
+
+        // response_message_dic create
+        response_error_message_dic[l7vsd_response::RESPONSE_ERROR]              = "command error : ";
+        response_error_message_dic[l7vsd_response::RESPONSE_LIST_ERROR]         = "list command error : ";
+        response_error_message_dic[l7vsd_response::RESPONSE_LIST_VERBOSE_ERROR] = "list verbose error : ";
+        response_error_message_dic[l7vsd_response::RESPONSE_LIST_KEY_ERROR]     = "list key error : ";
+        response_error_message_dic[l7vsd_response::RESPONSE_ADD_VS_ERROR]       = "add vs error : ";
+        response_error_message_dic[l7vsd_response::RESPONSE_DEL_VS_ERROR]       = "del vs error : ";
+        response_error_message_dic[l7vsd_response::RESPONSE_EDIT_VS_ERROR]      = "edit vs error : ";
+        response_error_message_dic[l7vsd_response::RESPONSE_FLUSH_VS_ERROR]     = "flush vs error : ";
+        response_error_message_dic[l7vsd_response::RESPONSE_ADD_RS_ERROR]       = "add rs error : ";
+        response_error_message_dic[l7vsd_response::RESPONSE_DEL_RS_ERROR]       = "del rs error : ";
+        response_error_message_dic[l7vsd_response::RESPONSE_EDIT_RS_ERROR]      = "edit rs error : ";
+        response_error_message_dic[l7vsd_response::RESPONSE_REPLICATION_ERROR]  = "replication command error : ";
+        response_error_message_dic[l7vsd_response::RESPONSE_LOG_ERROR]          = "log command error : ";
+        response_error_message_dic[l7vsd_response::RESPONSE_SNMP_ERROR]         = "snmp command error : ";
+        response_error_message_dic[l7vsd_response::RESPONSE_PARAMETER_ERROR]    = "parameter error : ";
+
+        replication_mode_string_dic[replication::REPLICATION_OUT]         = "OUT";
+        replication_mode_string_dic[replication::REPLICATION_SINGLE]      = "SINGLE";
+        replication_mode_string_dic[replication::REPLICATION_MASTER]      = "MASTER";
+        replication_mode_string_dic[replication::REPLICATION_SLAVE]       = "SLAVE";
+        replication_mode_string_dic[replication::REPLICATION_MASTER_STOP] = "MASTER_STOP";
+        replication_mode_string_dic[replication::REPLICATION_SLAVE_STOP]  = "SLAVE_STOP";
 }
 
 //! Get l7vsadm parameter data
-void   l7vs::l7vsadm::set_parameter(){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 36, "l7vsadm::set_parameter", __FILE__, __LINE__ );
-
-       // Get and Set l7vsadm all parameter value.
-       Parameter       param;
-       error_code      err;
-
-       // command_wait_interval
-       command_wait_interval = param.get_int(PARAM_COMP_L7VSADM, "cmd_interval", err);
-       if( !err ){
-               if(     command_wait_interval < 0 ||
-                       command_wait_interval > L7VSADM_MAX_WAIT ){
-                       // When illegal parameter value, use default parameter value.
-                       command_wait_interval = L7VSADM_DEFAULT_WAIT_INTERVAL;
-                       std::string     msg("Illegal cmd_interval parameter value. Use default value.");
-                       Logger::putLogWarn(LOG_CAT_L7VSADM_COMMON, 1, msg, __FILE__, __LINE__);
-               }
-       }
-       else{
-               std::string     msg("Get cmd_interval parameter error. Use default value.");
-               Logger::putLogWarn(LOG_CAT_L7VSADM_COMMON, 2, msg, __FILE__, __LINE__);
-       }
-
-       //command_wait_count 
-       command_wait_count = param.get_int(PARAM_COMP_L7VSADM, "cmd_count", err);
-       if( !err ){
-               if(     command_wait_count < 0 ||
-                       command_wait_count > L7VSADM_MAX_WAIT ){
-                       // When illegal parameter value, use default parameter value.
-                       command_wait_count = L7VSADM_DEFAULT_WAIT_COUNT;
-                       std::string     msg("Illegal cmd_count parameter value. Use default value.");
-                       Logger::putLogWarn(LOG_CAT_L7VSADM_COMMON, 3, msg, __FILE__, __LINE__);
-               }
-       }
-       else{
-               std::string     msg("Get cmd_count parameter error. Use default value.");
-               Logger::putLogWarn(LOG_CAT_L7VSADM_COMMON, 4, msg, __FILE__, __LINE__);
-       }
-
-       // connect_wait_interval
-       connect_wait_interval = param.get_int(PARAM_COMP_L7VSADM, "con_interval", err);
-       if( !err ){
-               if(     connect_wait_interval < 0 ||
-                       connect_wait_interval > L7VSADM_MAX_WAIT ){
-                       // When illegal parameter value, use default parameter value.
-                       connect_wait_interval = L7VSADM_DEFAULT_WAIT_INTERVAL;
-                       std::string     msg("Illegal con_interval parameter value. Use default value.");
-                       Logger::putLogWarn(LOG_CAT_L7VSADM_COMMON, 5, msg, __FILE__, __LINE__);
-               }
-       }
-       else{
-               std::string     msg("Get con_interval parameter error. Use default value.");
-               Logger::putLogWarn(LOG_CAT_L7VSADM_COMMON, 6, msg, __FILE__, __LINE__);
-       }
-
-       //connect_wait_count 
-       connect_wait_count = param.get_int(PARAM_COMP_L7VSADM, "con_count", err);
-       if( !err ){
-               if(     connect_wait_count < 0 ||
-                       connect_wait_count > L7VSADM_MAX_WAIT ){
-                       // When illegal parameter value, use default parameter value.
-                       connect_wait_count = L7VSADM_DEFAULT_WAIT_COUNT;
-                       std::string     msg("Illegal con_count parameter value. Use default value.");
-                       Logger::putLogWarn(LOG_CAT_L7VSADM_COMMON, 7, msg, __FILE__, __LINE__);
-               }
-       }
-       else{
-               std::string     msg("Get con_count parameter error. Use default value.");
-               Logger::putLogWarn(LOG_CAT_L7VSADM_COMMON, 8, msg, __FILE__, __LINE__);
-       }
-
-       if ((command_wait_interval * command_wait_count) > L7VSADM_MAX_WAIT) {
-               // When wait value too long, use default parameter value.
-               command_wait_interval = L7VSADM_DEFAULT_WAIT_INTERVAL;
-               command_wait_count = L7VSADM_DEFAULT_WAIT_COUNT;
-               std::string     msg("Command wait value too long. Use default value.");
-               Logger::putLogWarn(LOG_CAT_L7VSADM_COMMON, 9, msg, __FILE__, __LINE__);
-
-       }
-       if ((connect_wait_interval * connect_wait_count) > L7VSADM_MAX_WAIT) {
-               // When wait value too long, use default parameter value.
-               connect_wait_interval = L7VSADM_DEFAULT_WAIT_INTERVAL;
-               connect_wait_count = L7VSADM_DEFAULT_WAIT_COUNT;
-               std::string     msg("Connect wait value too long. Use default value.");
-               Logger::putLogWarn(LOG_CAT_L7VSADM_COMMON, 10, msg, __FILE__, __LINE__);
-       }
+void l7vs::l7vsadm::set_parameter()
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 36, "l7vsadm::set_parameter", __FILE__, __LINE__);
+
+        // Get and Set l7vsadm all parameter value.
+        Parameter param;
+        error_code err;
+
+        // command_wait_interval
+        command_wait_interval = param.get_int(PARAM_COMP_L7VSADM, "cmd_interval", err);
+        if (!err) {
+                if (command_wait_interval < 0 ||
+                    command_wait_interval > L7VSADM_MAX_WAIT) {
+                        // When illegal parameter value, use default parameter value.
+                        command_wait_interval = L7VSADM_DEFAULT_WAIT_INTERVAL;
+                        std::stringstream msg;
+                        msg << boost::format("Illegal cmd_interval parameter value. Use default value(%s).")
+                                % L7VSADM_DEFAULT_WAIT_INTERVAL;
+                        Logger::putLogWarn(LOG_CAT_L7VSADM_COMMON, 1, msg.str(), __FILE__, __LINE__);
+                }
+        } else {
+                command_wait_interval = L7VSADM_DEFAULT_WAIT_INTERVAL;
+                std::stringstream msg;
+                msg << boost::format("Get cmd_interval parameter error. Use default value(%s).")
+                        % L7VSADM_DEFAULT_WAIT_INTERVAL;
+                Logger::putLogWarn(LOG_CAT_L7VSADM_COMMON, 2, msg.str(), __FILE__, __LINE__);
+        }
+
+        //command_wait_count
+        command_wait_count = param.get_int(PARAM_COMP_L7VSADM, "cmd_count", err);
+        if (!err) {
+                if (command_wait_count < 0 ||
+                    command_wait_count > L7VSADM_MAX_WAIT) {
+                        // When illegal parameter value, use default parameter value.
+                        command_wait_count = L7VSADM_DEFAULT_WAIT_COUNT;
+                        std::stringstream msg;
+                        msg << boost::format("Illegal cmd_count parameter value. Use default value(%s).")
+                                % L7VSADM_DEFAULT_WAIT_COUNT;
+                        Logger::putLogWarn(LOG_CAT_L7VSADM_COMMON, 3, msg.str(), __FILE__, __LINE__);
+                }
+        } else {
+                command_wait_count = L7VSADM_DEFAULT_WAIT_COUNT;
+                std::stringstream msg;
+                msg << boost::format("Get cmd_count parameter error. Use default value(%s).")
+                        % L7VSADM_DEFAULT_WAIT_COUNT;
+                Logger::putLogWarn(LOG_CAT_L7VSADM_COMMON, 4, msg.str(), __FILE__, __LINE__);
+        }
+
+        if ((command_wait_interval * command_wait_count) > L7VSADM_MAX_WAIT) {
+                // When wait value too long, use default parameter value.
+                command_wait_interval = L7VSADM_DEFAULT_WAIT_INTERVAL;
+                command_wait_count = L7VSADM_DEFAULT_WAIT_COUNT;
+                std::stringstream msg;
+                msg << boost::format("Command wait value too long. Use default value(%s).")
+                        % L7VSADM_DEFAULT_WAIT_COUNT;
+                Logger::putLogWarn(LOG_CAT_L7VSADM_COMMON, 9, msg.str(), __FILE__, __LINE__);
+        }
 }
 
 //! l7vsadm command execute
-bool   l7vs::l7vsadm::execute( int argc, char* argv[] ){
-       Logger  logger( LOG_CAT_L7VSADM_COMMON, 37, "l7vsadm::execute", __FILE__, __LINE__ );
-
-       /*-------- DEBUG LOG --------*/
-       if( LOG_LV_DEBUG == Logger::getLogLevel( LOG_CAT_L7VSADM_COMMON ) ){
-               std::stringstream       debugstr;
-               debugstr << boost::format( "l7vsadm::execute arguments:%s" ) % argument_debug_dump( argc, argv );
-               Logger::putLogDebug( LOG_CAT_L7VSADM_COMMON, 38, debugstr.str(), __FILE__, __LINE__ );
-       }
-       /*------ DEBUG LOG END ------*/
-
-       // set sighanlder
-       if ( 0 > set_sighandlers() ) {
-               std::string     buf("set_sighandlers failed.");
-               std::cerr << "COMMON ERROR : " << buf << std::endl;
-               Logger::putLogError( LOG_CAT_L7VSADM_COMMON, 1, buf, __FILE__, __LINE__ );
-               return false;
-       }
-
-       // readparam
-       set_parameter();
-
-       // Get l7vsadm execute file path from /proc/(pid)/exe (symbolic link)
-       char l7vsadm_file_path[256];
-       memset(l7vsadm_file_path, 0, sizeof(l7vsadm_file_path));
-       readlink("/proc/self/exe", l7vsadm_file_path, sizeof(l7vsadm_file_path));
-
-       // L7vsadm command conflict check. (Try l7vsadm execute file lock)
-       file_lock       lock( l7vsadm_file_path, l7vsadm_err );
-       if( l7vsadm_err ){
-               std::cerr << "COMMON ERROR : " << l7vsadm_err.get_message() << std::endl;
-               Logger::putLogError( LOG_CAT_L7VSADM_COMMON, 2, l7vsadm_err.get_message(), __FILE__, __LINE__ );
-               return false;
-       }
-
-       try{
-               // l7vsadm file lock wait
-               int command_retry_count = 0;
-               while( true ){
-                       // Check signal.
-                       if( signal_flag ){
-                               std::stringstream buf;
-                               buf << boost::format( "Signal (%d) Received." ) % received_sig;
-                               l7vsadm_err.setter( true, buf.str() );
-                               Logger::putLogError( LOG_CAT_L7VSADM_COMMON, 3, buf.str(), __FILE__, __LINE__ );
-                               break;
-                       }
-       
-                       // Try lock l7vsadm file.       
-                       if( lock.try_lock() ){
-                               break;
-                       }
-
-                       ++command_retry_count;
-                       if (command_retry_count > command_wait_count) {
-                               // L7vsadm file lock error. (l7vsadm is executing)
-                               std::string     buf( "L7vsadm file lock timeout. (l7vsadm is already executing)" );
-                               l7vsadm_err.setter( true, buf );
-                               Logger::putLogError( LOG_CAT_L7VSADM_COMMON, 4, buf, __FILE__, __LINE__ );
-                               break;
-                       }
-                       // Lock retrying.
-                       boost::xtime xt;
-                       xtime_get(&xt, boost::TIME_UTC);
-                       xt.sec += command_wait_interval;
-                       boost::thread::sleep(xt);
-               }
-
-               // display err
-               if( l7vsadm_err ){
-                       std::cerr << "COMMON ERROR : " << l7vsadm_err.get_message() << std::endl;
-                       return false;
-               }
-
-               // no argument, assume list command
-               if( 1 == argc ){
-                       request.command = l7vsadm_request::CMD_LIST;
-               }
-               else {
-                       // parse command line
-                       int pos = 1;
-                       parse_cmd_map_type::iterator itr = command_dic.find( argv[pos] );
-                       if( itr != command_dic.end() ){
-                               itr->second( argc, argv );
-                       }
-                       else{
-                               std::string     buf("command not found.");
-                               l7vsadm_err.setter( true, buf );
-                               Logger::putLogError( LOG_CAT_L7VSADM_PARSE, 88, buf, __FILE__, __LINE__ );
-                       }
-               }
-       
-               // display command parse result
-               if( l7vsadm_err ){
-                       std::cerr << "PARSE ERROR : " << l7vsadm_err.get_message() << std::endl;
-                       std::cerr << usage() << std::endl;
-                       return false;
-               }
-       
-               if( l7vsadm_request::CMD_HELP != request.command ){
-                       // communicate to l7vsd
-                       using boost::asio::local::stream_protocol;
-                       boost::array< char, COMMAND_BUFFER_SIZE >       response_buffer;
-                       response_buffer.assign( 0x00 );
-
-                       // connect
-                       boost::asio::io_service io;
-                       stream_protocol::socket s( io );
-
-                       int     connect_retry_count = 0;
-                       while( true ){
-                               // Check signal.
-                               if( signal_flag ){
-                                       std::stringstream buf;
-                                       buf << boost::format( "Signal (%d) Received." ) % received_sig;
-                                       l7vsadm_err.setter( true, buf.str() );
-                                       Logger::putLogError( LOG_CAT_L7VSADM_COMMON, 5, buf.str(), __FILE__, __LINE__ );
-                                       break;
-                               }
-               
-                               // Try connect to config socket.
-                               boost::system::error_code err;
-                               s.connect(stream_protocol::endpoint( L7VS_CONFIG_SOCKNAME ), err );
-                               if( !err ){
-                                       break;
-                               }
-                               connect_retry_count++;
-                               if (connect_retry_count > connect_wait_count) {
-                                       std::stringstream       buf;
-                                       buf << boost::format( "connect() to daemon timeout: %s." ) % err.message();
-                                       l7vsadm_err.setter( true, buf.str() );
-                                       Logger::putLogError( LOG_CAT_L7VSADM_COMMON, 6, buf.str(), __FILE__, __LINE__ );
-                                       break;
-                               }
-                               // Connect retrying.
-                               boost::xtime xt;
-                               xtime_get(&xt, boost::TIME_UTC);
-                               xt.sec += connect_wait_interval;
-                               boost::thread::sleep(xt);
-                       }
-
-                       // display err
-                       if( l7vsadm_err ){
-                               std::cerr << "COMMON ERROR : " << l7vsadm_err.get_message() << std::endl;
-                               return false;
-                       }
-
-                       /*-------- DEBUG LOG --------*/
-                       if( LOG_LV_DEBUG == Logger::getLogLevel( LOG_CAT_L7VSADM_COMMON ) ){
-                               std::stringstream       debugstr;
-                               debugstr << boost::format( "l7vsadm_send_request:%s" ) % request;
-                               Logger::putLogDebug( LOG_CAT_L7VSADM_COMMON, 39, debugstr.str(), __FILE__, __LINE__ );
-                       }
-                       /*------ DEBUG LOG END ------*/
-
-                       // write sockfile
-                       std::stringstream       send_stream;
-                       boost::archive::text_oarchive   oa( send_stream );
-                       oa << (const l7vs::l7vsadm_request&) request;
-                       boost::asio::write( s, boost::asio::buffer( send_stream.str() ) );
-
-                       // read sockfile
-                       s.read_some( boost::asio::buffer( response_buffer ) );
-                       
-                       std::stringstream       recv_stream;
-                       recv_stream << &(response_buffer[0]);
-                       boost::archive::text_iarchive   ia( recv_stream );
-                       ia >> response;
-
-                       /*-------- DEBUG LOG --------*/
-                       if( LOG_LV_DEBUG == Logger::getLogLevel( LOG_CAT_L7VSADM_COMMON ) ){
-                               std::stringstream       debugstr;
-                               debugstr << boost::format( "l7vsadm_recv_response:%s" ) % response;
-                               Logger::putLogDebug( LOG_CAT_L7VSADM_COMMON, 40, debugstr.str(), __FILE__, __LINE__ );
-                       }
-                       /*------ DEBUG LOG END ------*/
-       
-                       // close socket
-                       s.close();
-               
-                       // display result
-                       if( l7vsd_response::RESPONSE_OK == response.status ){
-                               disp_result_map_type::iterator  itr = disp_result_dic.find( request.command );
-                               if( itr != disp_result_dic.end() )
-                                       itr->second();
-                       }
-                       else{
-                               std::stringstream       buf;
-                               response_error_message_map_type::iterator       itr = response_error_message_dic.find( response.status );
-                               if( itr != response_error_message_dic.end() )
-                                       buf << itr->second << response.message;
-                               else
-                                       buf << "COMMAND ERROR : " << response.message;
-                               std::cerr << buf.str() << std::endl;
-                               Logger::putLogError( LOG_CAT_L7VSADM_COMMON, 7, buf.str(), __FILE__, __LINE__ );
-                               return false;
-                       }
-               }       //if help_mode
-       }       //try
-       catch( std::exception& e ){
-               std::stringstream       buf;
-               buf << "COMMON ERROR : " << e.what();
-               std::cerr << buf.str() << std::endl;
-               Logger::putLogError( LOG_CAT_L7VSADM_COMMON, 8, buf.str(), __FILE__, __LINE__ );
-               return false;
-       }
-       return true;
+bool l7vs::l7vsadm::execute(int argc, char *argv[])
+{
+        Logger logger(LOG_CAT_L7VSADM_COMMON, 37, "l7vsadm::execute", __FILE__, __LINE__);
+
+        /*-------- DEBUG LOG --------*/
+        if (LOG_LV_DEBUG == Logger::getLogLevel(LOG_CAT_L7VSADM_COMMON)) {
+                std::stringstream debugstr;
+                debugstr << boost::format("l7vsadm::execute arguments: %s") % argument_debug_dump(argc, argv);
+                Logger::putLogDebug(LOG_CAT_L7VSADM_COMMON, 38, debugstr.str(), __FILE__, __LINE__);
+        }
+        /*------ DEBUG LOG END ------*/
+
+        // set sighandler
+        if (0 > set_sighandlers()) {
+                std::string buf("set_sighandlers failed.");
+                std::cerr << "COMMON ERROR: " << buf << std::endl;
+                Logger::putLogError(LOG_CAT_L7VSADM_COMMON, 1, buf, __FILE__, __LINE__);
+                return false;
+        }
+
+        // read param
+        set_parameter();
+
+        // Get l7vsadm execute file path from /proc/(pid)/exe (symbolic link)
+        char l7vsadm_file_path[256];
+        ssize_t retsize;
+        memset(l7vsadm_file_path, 0, sizeof(l7vsadm_file_path));
+        retsize = readlink("/proc/self/exe", l7vsadm_file_path, sizeof(l7vsadm_file_path));
+
+        // L7vsadm command conflict check. (Try l7vsadm execute file lock)
+        file_lock lock(l7vsadm_file_path, l7vsadm_err);
+        if (l7vsadm_err) {
+                std::cerr << "COMMON ERROR: " << l7vsadm_err.get_message() << std::endl;
+                Logger::putLogError(LOG_CAT_L7VSADM_COMMON, 2, l7vsadm_err.get_message(), __FILE__, __LINE__);
+                return false;
+        }
+
+        try {
+                // l7vsadm file lock wait
+                int command_retry_count = 0;
+                while (true) {
+                        // Check signal.
+                        if (signal_flag) {
+                                std::stringstream buf;
+                                buf << boost::format("Signal (%d) Received.") % received_sig;
+                                l7vsadm_err.setter(true, buf.str());
+                                Logger::putLogError(LOG_CAT_L7VSADM_COMMON, 3, buf.str(), __FILE__, __LINE__);
+                                break;
+                        }
+
+                        // Try lock l7vsadm file.
+                        if (lock.try_lock()) {
+                                break;
+                        }
+
+                        ++command_retry_count;
+                        if (command_retry_count > command_wait_count) {
+                                // L7vsadm file lock error. (l7vsadm is executing)
+                                std::string buf("L7vsadm file lock timeout. (l7vsadm is already executing)");
+                                l7vsadm_err.setter(true, buf);
+                                Logger::putLogError(LOG_CAT_L7VSADM_COMMON, 4, buf, __FILE__, __LINE__);
+                                break;
+                        }
+
+                        std::stringstream buf;
+                        buf << boost::format("L7vsadm file lock error. (l7vsadm is already executing) (retry %d)") % command_retry_count;
+                        Logger::putLogWarn(LOG_CAT_L7VSADM_COMMON, 11, buf.str(), __FILE__, __LINE__);
+
+                        // Lock retrying.
+                        boost::xtime xt;
+                        xtime_get(&xt, boost::TIME_UTC);
+                        xt.sec += command_wait_interval;
+                        boost::thread::sleep(xt);
+                }
+
+                // display err
+                if (l7vsadm_err) {
+                        std::cerr << "COMMON ERROR: " << l7vsadm_err.get_message() << std::endl;
+                        return false;
+                }
+
+                // no argument, assume list command
+                if (1 == argc) {
+                        request.command = l7vsadm_request::CMD_LIST;
+                } else {
+                        // parse command line
+                        int pos = 1;
+                        parse_cmd_map_type::iterator itr = command_dic.find(argv[pos]);
+                        if (itr != command_dic.end()) {
+                                itr->second(argc, argv);
+                        } else {
+                                std::string buf("command not found.");
+                                l7vsadm_err.setter(true, buf);
+                                Logger::putLogError(LOG_CAT_L7VSADM_PARSE, 88, buf, __FILE__, __LINE__);
+                        }
+                }
+
+                // display command parse result
+                if (l7vsadm_err) {
+                        std::cerr << "PARSE ERROR: " << l7vsadm_err.get_message() << std::endl;
+                        std::cerr << usage() << std::endl;
+                        return false;
+                }
+
+                if (l7vsadm_request::CMD_HELP != request.command) {
+                        // communicate to l7vsd
+                        using boost::asio::local::stream_protocol;
+                        boost::array<char, COMMAND_BUFFER_SIZE> response_buffer;
+                        response_buffer.assign(0x00);
+
+                        // connect
+                        boost::asio::io_service io;
+                        stream_protocol::socket s(io);
+
+                        // Check signal.
+                        if (signal_flag) {
+                                std::stringstream buf;
+                                buf << boost::format("Signal (%d) Received.") % received_sig;
+                                l7vsadm_err.setter(true, buf.str());
+                                Logger::putLogError(LOG_CAT_L7VSADM_COMMON, 5, buf.str(), __FILE__, __LINE__);
+                        } else {
+                                // Try connect to config socket.
+                                boost::system::error_code err;
+                                s.connect(stream_protocol::endpoint(L7VS_CONFIG_SOCKNAME), err);
+                                if (err) {
+                                        std::stringstream buf;
+                                        buf << boost::format("connect() failed: %s.") % err.message();
+                                        l7vsadm_err.setter(true, buf.str());
+                                        Logger::putLogError(LOG_CAT_L7VSADM_COMMON, 9, buf.str(), __FILE__, __LINE__);
+                                }
+                        }
+
+                        // display err
+                        if (l7vsadm_err) {
+                                std::cerr << "COMMON ERROR: " << l7vsadm_err.get_message() << std::endl;
+                                return false;
+                        }
+
+                        /*-------- DEBUG LOG --------*/
+                        if (LOG_LV_DEBUG == Logger::getLogLevel(LOG_CAT_L7VSADM_COMMON)) {
+                                std::stringstream debugstr;
+                                debugstr << boost::format("l7vsadm_send_request:%s") % request;
+                                Logger::putLogDebug(LOG_CAT_L7VSADM_COMMON, 39, debugstr.str(), __FILE__, __LINE__);
+                        }
+                        /*------ DEBUG LOG END ------*/
+
+                        // write sockfile
+                        std::stringstream send_stream;
+                        boost::archive::text_oarchive oa(send_stream);
+                        oa << (const l7vs::l7vsadm_request &) request;
+                        boost::asio::write(s, boost::asio::buffer(send_stream.str()));
+
+                        // read sockfile
+                        s.read_some(boost::asio::buffer(response_buffer));
+
+                        std::stringstream recv_stream;
+                        recv_stream << &(response_buffer[0]);
+                        boost::archive::text_iarchive ia(recv_stream);
+                        ia >> response;
+
+                        /*-------- DEBUG LOG --------*/
+                        if (LOG_LV_DEBUG == Logger::getLogLevel(LOG_CAT_L7VSADM_COMMON)) {
+                                std::stringstream debugstr;
+                                debugstr << boost::format("l7vsadm_recv_response:%s") % response;
+                                Logger::putLogDebug(LOG_CAT_L7VSADM_COMMON, 40, debugstr.str(), __FILE__, __LINE__);
+                        }
+                        /*------ DEBUG LOG END ------*/
+
+                        // close socket
+                        s.close();
+
+                        // display result
+                        if (l7vsd_response::RESPONSE_OK == response.status) {
+                                disp_result_map_type::iterator itr = disp_result_dic.find(request.command);
+                                if (itr != disp_result_dic.end())
+                                        itr->second();
+                        } else {
+                                std::stringstream buf;
+                                response_error_message_map_type::iterator itr = response_error_message_dic.find(response.status);
+                                if (itr != response_error_message_dic.end())
+                                        buf << itr->second << response.message;
+                                else
+                                        buf << "COMMAND ERROR: " << response.message;
+                                std::cerr << buf.str() << std::endl;
+                                Logger::putLogError(LOG_CAT_L7VSADM_COMMON, 7, buf.str(), __FILE__, __LINE__);
+                                return false;
+                        }
+                } //if help_mode
+        } //try
+        catch (std::exception &e) {
+                std::stringstream buf;
+                buf << "COMMON ERROR: " << e.what();
+                std::cerr << buf.str() << std::endl;
+                Logger::putLogError(LOG_CAT_L7VSADM_COMMON, 8, buf.str(), __FILE__, __LINE__);
+                return false;
+        }
+        return true;
 }
 
 //! argument dump for debug
-//! @param[in] argument count
-//! @param[in] argument value
-std::string    l7vs::l7vsadm::argument_debug_dump( int argc, char* argv[] ){
-       std::stringstream buf;
-       if( !argv ){
-               buf << "argument=(null)";
-       }
-       else{
-               buf << boost::format( "argument={argc=%d: " ) % argc;
-               for( int i = 0; i < argc; ++i){
-                       buf << boost::format( "argv[%d]=%s: " ) % i % argv[i];
-               }
-               buf << "}";
-       }
-       return buf.str();
+//! @param[in] argument count
+//! @param[in] argument value
+std::string l7vs::l7vsadm::argument_debug_dump(int argc, char *argv[])
+{
+        std::stringstream buf;
+        if (!argv) {
+                buf << "argument=(null)";
+        } else {
+                buf << boost::format("argument={argc=%d") % argc;
+                for (int i = 0; i < argc; ++i) {
+                        buf << boost::format(", argv[%d]=%s") % i % argv[i];
+                }
+                buf << "}";
+        }
+        return buf.str();
 }
 
 //! signal handler function
-//! @param[in] signal
-static void sig_exit_handler( int sig ){
-       received_sig = sig;
-       signal_flag = true;
+//! @param[in] signal
+static void sig_exit_handler(int sig)
+{
+        received_sig = sig;
+        signal_flag = true;
 }
 
-//! set singal handler function
-//! @param[in] signal
-//! @param[in] handler function pointer
-//! @return            0/success, -1/fail
-static int set_sighandler( int sig, void ( *handler )( int ) ){
-       struct  sigaction act;
-       int             ret;
-
-       ret = sigaction( sig, NULL, &act );
-       if( 0 > ret )   return ret;
-
-       act.sa_flags &= ~SA_RESETHAND;
-       act.sa_handler = handler;
-
-       ret = sigaction( sig, &act, NULL );
-       if( 0 > ret )   return ret;
-
-       return 0;
+//! set signal handler function
+//! @param[in] signal
+//! @param[in] handler function pointer
+//! @return 0/success, -1/fail
+static int set_sighandler(int sig, void (*handler)(int))
+{
+        struct sigaction act;
+        int ret;
+
+        ret = sigaction(sig, NULL, &act);
+        if (0 > ret) {
+                return ret;
+        }
+
+        act.sa_flags &= ~SA_RESETHAND;
+        act.sa_handler = handler;
+
+        ret = sigaction(sig, &act, NULL);
+        if (0 > ret) {
+                return ret;
+        }
+
+        return 0;
 }
 
-//! set all singal handler function
-//! @return            0/success, -1/fail
-static int set_sighandlers() {
-       int ret;
-
-#define SET_SIGHANDLER(sig, handler)                           \
-       do {                                                                                    \
-               ret = set_sighandler((sig), (handler));         \
-               if (ret < 0) {                                                          \
-                       return ret;                                                             \
-               }                                                                                       \
-       } while (0)
-
-       SET_SIGHANDLER( SIGHUP,         sig_exit_handler );
-       SET_SIGHANDLER( SIGINT,         sig_exit_handler );
-       SET_SIGHANDLER( SIGQUIT,        sig_exit_handler );
-       SET_SIGHANDLER( SIGPIPE,        sig_exit_handler );
-       SET_SIGHANDLER( SIGTERM,        sig_exit_handler );
-       SET_SIGHANDLER( SIGUSR1,        sig_exit_handler );
-       SET_SIGHANDLER( SIGUSR2,        sig_exit_handler );
+//! set all signal handler function
+//! @return 0/success, -1/fail
+static int set_sighandlers()
+{
+        int ret;
+
+#define SET_SIGHANDLER(sig, handler)            \
+    do {                                        \
+        ret = set_sighandler((sig), (handler)); \
+        if (ret < 0) {                          \
+            return ret;                         \
+        }                                       \
+    } while (0)
+
+        SET_SIGHANDLER(SIGHUP,  sig_exit_handler);
+        SET_SIGHANDLER(SIGINT,  sig_exit_handler);
+        SET_SIGHANDLER(SIGQUIT, sig_exit_handler);
+        SET_SIGHANDLER(SIGPIPE, sig_exit_handler);
+        SET_SIGHANDLER(SIGTERM, sig_exit_handler);
+        SET_SIGHANDLER(SIGUSR1, sig_exit_handler);
+        SET_SIGHANDLER(SIGUSR2, sig_exit_handler);
 
 #undef SET_SIGHANDLER
 
-    return 0;
+        return 0;
 }
 
-#ifndef        UNIT_TEST
-int main( int argc, char* argv[] ){
-       l7vs::Logger            logger;
-       l7vs::Parameter         param;
-       logger.loadConf();
-
-       l7vs::l7vsadm   adm;
-       if( !adm.execute( argc, argv ) ){
-               return -1;
-       }
-       return 0;
+#ifndef UNIT_TEST
+int main(int argc, char *argv[])
+{
+        try {
+                l7vs::Logger logger;
+                l7vs::Parameter param;
+                logger.loadConf();
+        } catch (...) {
+        }
+
+        l7vs::l7vsadm adm;
+        if (!adm.execute(argc, argv)) {
+                return -1;
+        }
+        return 0;
 }
-#endif //UNIT_TEST
-
+#endif //UNIT_TEST