OSDN Git Service

The PacketReceive/PacketSend routines aren't used anymore.
authorTom Lane <tgl@sss.pgh.pa.us>
Mon, 12 Nov 2001 04:19:15 +0000 (04:19 +0000)
committerTom Lane <tgl@sss.pgh.pa.us>
Mon, 12 Nov 2001 04:19:15 +0000 (04:19 +0000)
src/backend/libpq/Makefile
src/backend/libpq/pqpacket.c [deleted file]
src/include/libpq/libpq-be.h

index f8fc5c2..45ec3e9 100644 (file)
@@ -4,7 +4,7 @@
 #    Makefile for libpq subsystem (backend half of libpq interface)
 #
 # IDENTIFICATION
-#    $Header: /cvsroot/pgsql/src/backend/libpq/Makefile,v 1.26 2001/11/12 01:42:03 momjian Exp $
+#    $Header: /cvsroot/pgsql/src/backend/libpq/Makefile,v 1.27 2001/11/12 04:19:15 tgl Exp $
 #
 #-------------------------------------------------------------------------
 
@@ -16,7 +16,7 @@ include $(top_builddir)/src/Makefile.global
 
 OBJS = be-fsstubs.o \
        auth.o crypt.o hba.o md5.o password.o \
-       pqcomm.o pqformat.o pqpacket.o pqsignal.o util.o
+       pqcomm.o pqformat.o pqsignal.o util.o
 
 
 all: check_md5 SUBSYS.o
diff --git a/src/backend/libpq/pqpacket.c b/src/backend/libpq/pqpacket.c
deleted file mode 100644 (file)
index 4fb707f..0000000
+++ /dev/null
@@ -1,215 +0,0 @@
-/*-------------------------------------------------------------------------
- *
- * pqpacket.c
- *       routines for reading and writing data packets sent/received by
- *       POSTGRES clients and servers
- *
- * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
- * Portions Copyright (c) 1994, Regents of the University of California
- *
- *
- * IDENTIFICATION
- *       $Header: /cvsroot/pgsql/src/backend/libpq/Attic/pqpacket.c,v 1.30 2001/11/05 17:46:25 momjian Exp $
- *
- *-------------------------------------------------------------------------
- */
-
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netdb.h>
-#include <netinet/in.h>
-#include <fcntl.h>
-#include <errno.h>
-
-#include "postgres.h"
-#include "libpq/libpq.h"
-
-
-/*
- * Set up a packet read for the postmaster event loop.
- */
-
-void
-PacketReceiveSetup(Packet *pkt, PacketDoneProc iodone, void *arg)
-{
-       pkt->nrtodo = sizeof(pkt->len);
-       pkt->ptr = (char *) &pkt->len;
-       pkt->iodone = iodone;
-       pkt->arg = arg;
-       pkt->state = ReadingPacketLength;
-
-       /* Clear the destination. */
-
-       MemSet(&pkt->pkt, 0, sizeof(pkt->pkt));
-}
-
-
-/*
- * Read a packet fragment.     Return STATUS_OK if the connection should stay
- * open.
- */
-
-int
-PacketReceiveFragment(Port *port)
-{
-       int                     got;
-       Packet     *pkt = &port->pktInfo;
-
-#ifdef USE_SSL
-       if (port->ssl)
-               got = SSL_read(port->ssl, pkt->ptr, pkt->nrtodo);
-       else
-#endif
-#ifndef __BEOS__
-               got = read(port->sock, pkt->ptr, pkt->nrtodo);
-#else
-               got = recv(port->sock, pkt->ptr, pkt->nrtodo, 0);
-#endif   /* __BEOS__ */
-       if (got > 0)
-       {
-               pkt->nrtodo -= got;
-               pkt->ptr += got;
-
-               /* See if we have got what we need for the packet length. */
-
-               if (pkt->nrtodo == 0 && pkt->state == ReadingPacketLength)
-               {
-                       pkt->len = ntohl(pkt->len);
-
-                       if (pkt->len < sizeof(pkt->len) ||
-                               pkt->len > sizeof(pkt->len) + sizeof(pkt->pkt))
-                       {
-                               PacketSendError(pkt, "Invalid packet length");
-
-                               return STATUS_OK;
-                       }
-
-                       /* Set up for the rest of the packet. */
-
-                       pkt->nrtodo = pkt->len - sizeof(pkt->len);
-                       pkt->ptr = (char *) &pkt->pkt;
-                       pkt->state = ReadingPacket;
-               }
-
-               /* See if we have got what we need for the packet. */
-
-               if (pkt->nrtodo == 0 && pkt->state == ReadingPacket)
-               {
-                       pkt->state = Idle;
-
-                       /* Special case to close the connection. */
-
-                       if (pkt->iodone == NULL)
-                               return STATUS_ERROR;
-
-                       return (*pkt->iodone) (pkt->arg, pkt->len - sizeof(pkt->len),
-                                                                  (void *) &pkt->pkt);
-               }
-
-               return STATUS_OK;
-       }
-
-       if (got == 0)
-               return STATUS_ERROR;
-
-       if (errno == EINTR)
-               return STATUS_OK;
-
-       perror("PacketReceiveFragment: read() failed");
-
-       return STATUS_ERROR;
-}
-
-
-/*
- * Set up a packet write for the postmaster event loop.
- */
-
-void
-PacketSendSetup(Packet *pkt, int nbytes, PacketDoneProc iodone, void *arg)
-{
-       pkt->len = (PacketLen) nbytes;
-       pkt->nrtodo = nbytes;
-       pkt->ptr = (char *) &pkt->pkt;
-       pkt->iodone = iodone;
-       pkt->arg = arg;
-       pkt->state = WritingPacket;
-}
-
-
-/*
- * Write a packet fragment.  Return STATUS_OK if the connection should stay
- * open.
- */
-
-int
-PacketSendFragment(Port *port)
-{
-       int                     done;
-       Packet     *pkt = &port->pktInfo;
-
-#ifdef USE_SSL
-       if (port->ssl)
-               done = SSL_write(port->ssl, pkt->ptr, pkt->nrtodo);
-       else
-#endif
-#ifndef __BEOS__
-               done = write(port->sock, pkt->ptr, pkt->nrtodo);
-#else
-               done = send(port->sock, pkt->ptr, pkt->nrtodo, 0);
-#endif
-       if (done > 0)
-       {
-               pkt->nrtodo -= done;
-               pkt->ptr += done;
-
-               /* See if we have written the whole packet. */
-
-               if (pkt->nrtodo == 0)
-               {
-                       pkt->state = Idle;
-
-                       /* Special case to close the connection. */
-
-                       if (pkt->iodone == NULL)
-                               return STATUS_ERROR;
-
-                       return (*pkt->iodone) (pkt->arg, pkt->len,
-                                                                  (void *) &pkt->pkt);
-               }
-
-               return STATUS_OK;
-       }
-
-       if (done == 0)
-               return STATUS_ERROR;
-
-       if (errno == EINTR)
-               return STATUS_OK;
-
-       perror("PacketSendFragment: write() failed");
-
-       return STATUS_ERROR;
-}
-
-
-/*
- * Send an error message from the postmaster to the frontend.
- */
-
-void
-PacketSendError(Packet *pkt, char *errormsg)
-{
-       fprintf(stderr, "%s\n", errormsg);
-
-       pkt->pkt.em.data[0] = 'E';
-       StrNCpy(&pkt->pkt.em.data[1], errormsg, sizeof(pkt->pkt.em.data) - 1);
-
-       /*
-        * The NULL i/o callback will cause the connection to be broken when
-        * the error message has been sent.
-        */
-
-       PacketSendSetup(pkt, strlen(pkt->pkt.em.data) + 1, NULL, NULL);
-}
index d715194..8ce18b3 100644 (file)
@@ -8,7 +8,7 @@
  * Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
  * Portions Copyright (c) 1994, Regents of the University of California
  *
- * $Id: libpq-be.h,v 1.25 2001/11/05 17:46:33 momjian Exp $
+ * $Id: libpq-be.h,v 1.26 2001/11/12 04:19:15 tgl Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -146,14 +146,4 @@ typedef struct Port
 
 extern ProtocolVersion FrontendProtocol;
 
-
-/*
- * prototypes for functions in pqpacket.c
- */
-void           PacketReceiveSetup(Packet *pkt, PacketDoneProc iodone, void *arg);
-int                    PacketReceiveFragment(Port *port);
-void           PacketSendSetup(Packet *pkt, int nbytes, PacketDoneProc iodone, void *arg);
-int                    PacketSendFragment(Port *port);
-void           PacketSendError(Packet *pkt, char *errormsg);
-
 #endif   /* LIBPQ_BE_H */