105 lines
3.4 KiB
C
105 lines
3.4 KiB
C
/****************************************************************
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* *
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* Copyright 2001, 2009 Fidelity Information Services, Inc *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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#include "mdef.h"
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#include "gtm_string.h"
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#include "gtm_socket.h"
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#include "gtm_inet.h"
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#include "gtm_fcntl.h"
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#include <sys/time.h>
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#include <errno.h>
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#include "gtm_unistd.h"
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#ifdef VMS
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#include <descrip.h> /* Required for gtmrecv.h */
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#endif
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#include "gdsroot.h"
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#include "gdsblk.h"
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#include "gtm_facility.h"
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#include "fileinfo.h"
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#include "gdsbt.h"
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#include "gdsfhead.h"
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#include "filestruct.h"
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#include "gtmrecv.h"
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#include "repl_sp.h"
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#include "gtmio.h"
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GBLDEF int gtmrecv_listen_sock_fd = FD_INVALID;
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/* Initialize communication stuff */
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int gtmrecv_comm_init(in_port_t port)
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{
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struct sockaddr_in secondary_addr;
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const int enable_reuseaddr = 1;
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const int disable_keepalive = 1;
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struct linger disable_linger = {0, 0};
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int rc;
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error_def(ERR_REPLCOMM);
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error_def(ERR_TEXT);
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if (FD_INVALID != gtmrecv_listen_sock_fd) /* Initialization done already */
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return (0);
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/* Create the socket used for communicating with primary */
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if (FD_INVALID == (gtmrecv_listen_sock_fd = socket(AF_INET, SOCK_STREAM, 0)))
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{
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rts_error(VARLSTCNT(7) ERR_REPLCOMM, 0, ERR_TEXT, 2,
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RTS_ERROR_LITERAL("Error with receiver server socket create"), ERRNO);
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return (-1);
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}
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if (0 > setsockopt(gtmrecv_listen_sock_fd, SOL_SOCKET, SO_LINGER, (const void *)&disable_linger, SIZEOF(disable_linger)))
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rts_error(VARLSTCNT(7) ERR_REPLCOMM, 0, ERR_TEXT, 2,
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RTS_ERROR_LITERAL("Error with receiver server listen socket disable linger"), ERRNO);
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#ifdef REPL_DISABLE_KEEPALIVE
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if (0 > setsockopt(gtmrecv_listen_sock_fd, SOL_SOCKET, SO_KEEPALIVE, (const void *)&disable_keepalive,
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SIZEOF(disable_keepalive)))
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{
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/* Till SIGPIPE is handled properly */
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rts_error(VARLSTCNT(7) ERR_REPLCOMM, 0, ERR_TEXT, 2,
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RTS_ERROR_LITERAL("Error with receiver server listen socket disable keepalive"), ERRNO);
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}
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#endif
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if (0 > setsockopt(gtmrecv_listen_sock_fd, SOL_SOCKET, SO_REUSEADDR, (const void *)&enable_reuseaddr,
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SIZEOF(enable_reuseaddr)))
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{
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rts_error(VARLSTCNT(7) ERR_REPLCOMM, 0, ERR_TEXT, 2,
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RTS_ERROR_LITERAL("Error with receiver server listen socket enable reuseaddr"), ERRNO);
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}
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/* Make it known to the world that you are ready for a Source Server */
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memset((char *)&secondary_addr, 0, SIZEOF(secondary_addr));
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secondary_addr.sin_family = AF_INET;
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secondary_addr.sin_addr.s_addr = htonl(INADDR_ANY);
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secondary_addr.sin_port = htons(port);
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if (0 > BIND(gtmrecv_listen_sock_fd, (struct sockaddr *)&secondary_addr, SIZEOF(secondary_addr)))
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{
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rts_error(VARLSTCNT(7) ERR_REPLCOMM, 0, ERR_TEXT, 2, RTS_ERROR_LITERAL("Could not bind local address"), ERRNO);
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CLOSEFILE_RESET(gtmrecv_listen_sock_fd, rc); /* resets "gtmrecv_listen_sock_fd" to FD_INVALID */
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return (-1);
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}
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if (0 > listen(gtmrecv_listen_sock_fd, 5))
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{
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rts_error(VARLSTCNT(7) ERR_REPLCOMM, 0, ERR_TEXT, 2, RTS_ERROR_LITERAL("Could not listen"), ERRNO);
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CLOSEFILE_RESET(gtmrecv_listen_sock_fd, rc); /* resets "gtmrecv_listen_sock_fd" to FD_INVALID */
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return (-1);
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}
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return (0);
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}
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