fis-gtm/sr_port/gtmsource_comm_init.c

92 lines
2.7 KiB
C

/****************************************************************
* *
* Copyright 2001, 2009 Fidelity Information Services, Inc *
* *
* This source code contains the intellectual property *
* of its copyright holder(s), and is made available *
* under a license. If you do not know the terms of *
* the license, please stop and do not read further. *
* *
****************************************************************/
#if defined(__MVS__) && !defined(_ISOC99_SOURCE)
#define _ISOC99_SOURCE
#endif
#include "mdef.h"
#include <sys/time.h>
#include <errno.h>
#include "gtm_stdio.h"
#include "gtm_string.h"
#include "gtm_socket.h"
#include "gtm_inet.h"
#include "gtm_fcntl.h"
#include "gtm_unistd.h"
#ifdef VMS
#include <descrip.h> /* Required for gtmsource.h */
#endif
#include "gdsroot.h"
#include "gdsblk.h"
#include "gtm_facility.h"
#include "fileinfo.h"
#include "gdsbt.h"
#include "gdsfhead.h"
#include "filestruct.h"
#include "repl_msg.h"
#include "gtmsource.h"
#include "repl_sp.h"
#include "repl_comm.h"
GBLDEF int gtmsource_sock_fd = FD_INVALID;
GBLREF jnlpool_addrs jnlpool;
int gtmsource_comm_init(void)
{
/* Initialize communication stuff */
const int disable_keepalive = 0;
struct linger disable_linger = {0, 0};
char error_string[1024];
int err_status;
error_def(ERR_REPLCOMM);
error_def(ERR_TEXT);
if (FD_INVALID != gtmsource_sock_fd) /* Initialization done already */
return(0);
/* Create the socket used for communicating with secondary */
if (FD_INVALID == (gtmsource_sock_fd = socket(AF_INET, SOCK_STREAM, 0)))
{
err_status = ERRNO;
SNPRINTF(error_string, SIZEOF(error_string), "Error with source server socket create : %s", STRERROR(err_status));
rts_error(VARLSTCNT(6) ERR_REPLCOMM, 0, ERR_TEXT, 2, RTS_ERROR_STRING(error_string));
return(-1);
}
/* A connection breakage should get rid of the socket */
if (-1 == setsockopt(gtmsource_sock_fd, SOL_SOCKET, SO_LINGER, (const void *)&disable_linger, SIZEOF(disable_linger)))
{
err_status = ERRNO;
SNPRINTF(error_string, SIZEOF(error_string), "Error with source server socket disable linger : %s",
STRERROR(err_status));
rts_error(VARLSTCNT(6) ERR_REPLCOMM, 0, ERR_TEXT, 2, RTS_ERROR_STRING(error_string));
}
#ifdef REPL_DISABLE_KEEPALIVE
if (-1 == setsockopt(gtmsource_sock_fd, SOL_SOCKET, SO_KEEPALIVE, (const void *)&disable_keepalive,
SIZEOF(disable_keepalive)))
{ /* Till SIGPIPE is handled properly */
err_status = ERRNO;
SNPRINTF(error_string, SIZEOF(error_string), "Error with source server socket disable keepalive : %s",
STRERROR(err_status));
rts_error(VARLSTCNT(6) ERR_REPLCOMM, 0, ERR_TEXT, 2, RTS_ERROR_STRING(error_string));
}
#endif
return(0);
}