deamon/drd64_marshald_cinfo.c

   1 /*DrDeAmOn64DrDeAmOn64DrDeAmOn64DrDeAmOn64DrDeAmOn64DrDeAmOn64DrDeAmOn64
   2
   3                          D r . D e a m o n  6 4
   4                         for INTEL64(R), AMD64(R)
   5
   6    Copyright(C) 2007-2009 Koine Yuusuke(koinec). All rights reserved.
   7
   8 Redistribution and use in source and binary forms, with or without
   9 modification, are permitted provided that the following conditions are met:
  10
  11  1. Redistributions of source code must retain the above copyright notice,
  12     this list of conditions and the following disclaimer.
  13  2. Redistributions in binary form must reproduce the above copyright
  14     notice, this list of conditions and the following disclaimer in the
  15     documentation and/or other materials provided with the distribution.
  16
  17 THIS SOFTWARE IS PROVIDED BY Koine Yuusuke(koinec) ``AS IS'' AND ANY
  18 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  19 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  20 DISCLAIMED. IN NO EVENT SHALL Koine Yuusuke(koinec) OR CONTRIBUTORS BE
  21 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  22 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  23 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  24 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  25 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  26 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  27 OF THE POSSIBILITY OF SUCH DAMAGE.
  28
  29 DrDeAmOn64DrDeAmOn64DrDeAmOn64DrDeAmOn64DrDeAmOn64DrDeAmOn64DrDeAmOn64*/
  30
  31 /* File Info -----------------------------------------------------------
  32 File: drd64_.c
  33 Function:
  34 Comment:
  35 ----------------------------------------------------------------------*/
  36
  37 #define DRD64_SRC_MARSHALD_CINFO
  38 #include"drd64_marshald.h"
  39
  40 Drd64_Marshald_ConnectInfo      *gp_marshald_cinfo;
  41 int                                                     gi_marshald_cinfo_max;
  42 int                                                     gi_marshald_cinfo_now;
  43
  44
  45 EXTERN_MARSHALD_CINFO
  46 Drd64_Marshald_ConnectInfo      *
  47         Drd64_Marshald_SearchINetConnection(
  48                 struct  in_addr *p_addr )
  49 {
  50         int             i_cnt;
  51         Drd64_Marshald_ConnectInfo      *p_cinfo;
  52
  53         p_cinfo = NULL;
  54
  55         for( i_cnt = 0; i_cnt < gi_marshald_cinfo_now; i_cnt++ )        {
  56                 p_cinfo = (gp_marshald_cinfo + i_cnt);
  57
  58                 if( DRD64_MARSHALD_CINFOTYPE_CLIENT
  59                                                                 == p_cinfo->b_cinfo_type )      {
  60                         if( 0x00 == Drd64_LibBrownie_INetAddr_CmpInAddr(
  61                                                         p_addr, &(p_cinfo->t_dest_addr_inet)) )
  62                                 { return p_cinfo; }
  63                 }
  64         }
  65
  66         return NULL;
  67 }
  68
  69
  70 EXTERN_MARSHALD_CINFO
  71 Drd64_Marshald_ConnectInfo      *
  72         Drd64_Marshald_CInfo_GetConnectInfo(
  73                 int     i_cinfo_id )
  74 {
  75         if(( 0 > i_cinfo_id ) || ( gi_marshald_cinfo_max < i_cinfo_id ))
  76                 { return NULL; }
  77         return (gp_marshald_cinfo + i_cinfo_id);
  78 }
  79
  80
  81 // Alloc
  82 EXTERN_MARSHALD_CINFO
  83 Drd64_Marshald_ConnectInfo      *
  84         Drd64_Marshald_CInfo_AllocConnectInfo(
  85                 void )
  86 {
  87         int                                                     i_cnt;
  88         int                                                     i_cinfo_newid;
  89         Drd64_Marshald_ConnectInfo      *p_cinfo_temp;
  90         Drd64_Marshald_ConnectInfo      *p_cinfo_now;
  91
  92         p_cinfo_now             = NULL;
  93         i_cinfo_newid           = -1;
  94
  95         if( gi_marshald_cinfo_now == gi_marshald_cinfo_max )    {
  96                 for( i_cnt = 0; i_cnt < gi_marshald_cinfo_max; i_cnt++ )        {
  97                         p_cinfo_temp    = gp_marshald_cinfo + i_cnt;
  98
  99                         if( -1 == p_cinfo_temp->i_cinfo_id )    {
 100                                 i_cinfo_newid   = i_cnt;
 101                                 break;
 102                         }
 103                 }
 104
 105                 if( -1 == i_cinfo_newid )       {
 106                         p_cinfo_temp
 107                                 = (Drd64_Marshald_ConnectInfo *)
 108                                         realloc( gp_marshald_cinfo,
 109                                                         sizeof( Drd64_Marshald_ConnectInfo )
 110                                                                 * ( gi_marshald_cinfo_max
 111                                                                         + DRD64_MARSHALD_CINFO_UNITS) );
 112                         if( NULL == p_cinfo_temp )      { return NULL; }
 113
 114                         gp_marshald_cinfo       = p_cinfo_temp;
 115                         gi_marshald_cinfo_max   += DRD64_MARSHALD_CINFO_UNITS;
 116                         i_cinfo_newid   = gi_marshald_cinfo_now++;
 117                 }
 118         }
 119         else    {
 120                 i_cinfo_newid   = gi_marshald_cinfo_now++;
 121         }
 122
 123         if( -1 != i_cinfo_newid )       {
 124                 p_cinfo_now     = gp_marshald_cinfo + i_cinfo_newid;
 125
 126                 memset( p_cinfo_now, 0x00, sizeof( Drd64_Marshald_ConnectInfo ) );
 127                 p_cinfo_now->i_cinfo_id = i_cinfo_newid;
 128         }
 129
 130         return  p_cinfo_now;
 131 }
 132
 133
 134 // Free
 135 EXTERN_MARSHALD_CINFO
 136 int
 137         Drd64_Marshald_Cinfo_FreeConnectInfo(
 138                 Drd64_Marshald_ConnectInfo *p_cinfo )
 139 {
 140         if( NULL == p_cinfo )   { return 0x01; }
 141
 142         if( p_cinfo->i_cinfo_id + 1 == gi_marshald_cinfo_now )
 143                 { gi_marshald_cinfo_now--; }
 144
 145         p_cinfo->i_cinfo_id     = -1;
 146
 147         return 0x00;
 148 }
 149
 150
 151 EXTERN_MARSHALD_CINFO
 152 int
 153         Drd64_Marshald_CInfo_InitConnectInfo(
 154                 void )
 155 {
 156         int             i_cnt;
 157
 158         gp_marshald_cinfo
 159                 = (Drd64_Marshald_ConnectInfo *)malloc(
 160                                 sizeof( Drd64_Marshald_ConnectInfo )
 161                                         * DRD64_MARSHALD_CINFO_UNITS );
 162
 163         if( NULL == gp_marshald_cinfo )         {
 164                 return 0x01;
 165         }
 166
 167         memset( gp_marshald_cinfo, 0x00,
 168                                 sizeof( Drd64_Marshald_ConnectInfo )
 169                                         * DRD64_MARSHALD_CINFO_UNITS );
 170
 171         gi_marshald_cinfo_max   = DRD64_MARSHALD_CINFO_UNITS;
 172         gi_marshald_cinfo_now   = 0;
 173
 174         return 0x00;
 175 }
 176
 177
 178 EXTERN_MARSHALD_CINFO
 179 int
 180         Drd64_Marshald_CInfo_TermConnectInfo(
 181                 void )
 182 {
 183         if( NULL != gp_marshald_cinfo )         {
 184                 free( gp_marshald_cinfo );
 185                 gp_marshald_cinfo       = NULL;
 186         }
 187
 188         gi_marshald_cinfo_max   = DRD64_MARSHALD_CINFO_UNITS;
 189         gi_marshald_cinfo_now   = 0;
 190
 191         return 0x00;
 192 }
 193
 194
 195 /* EOF of drd64_.c ----------------------------------- */