115 lines
3.6 KiB
C
115 lines
3.6 KiB
C
/****************************************************************
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* *
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* Copyright 2001, 2013 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_netdb.h" /* for NI_MAXSERV and AI_V4MAPPED */
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#include "gtm_ipv6.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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#include "util.h"
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#include "repl_log.h"
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GBLDEF int gtmrecv_listen_sock_fd = FD_INVALID;
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error_def(ERR_GETADDRINFO);
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error_def(ERR_REPLCOMM);
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error_def(ERR_TEXT);
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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 addrinfo *ai_ptr = NULL, hints;
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const int enable_reuseaddr = 1;
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struct linger disable_linger = {0, 0};
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int rc;
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int errcode;
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char port_buffer[NI_MAXSERV];
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int port_buffer_len;
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int temp_sock_fd;
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int af;
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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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af = ((GTM_IPV6_SUPPORTED && !ipv4_only) ? AF_INET6 : AF_INET);
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if (FD_INVALID == (temp_sock_fd = socket(af, SOCK_STREAM, IPPROTO_TCP)))
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{
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af = AF_INET;
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if (FD_INVALID == (temp_sock_fd = socket(af, SOCK_STREAM, IPPROTO_TCP)))
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{
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rts_error_csa(CSA_ARG(NULL) 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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}
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/* Make it known to the world that you are ready for a Source Server */
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SERVER_HINTS(hints, af);
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SPRINTF(port_buffer, "%hu", port);
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if (0 != (errcode = getaddrinfo(NULL, port_buffer, &hints, &ai_ptr)))
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{
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CLOSEFILE(temp_sock_fd, rc);
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RTS_ERROR_ADDRINFO_CTX(NULL, ERR_GETADDRINFO, errcode, "FAILED in obtaining IP address on receiver server.");
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return -1;
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}
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gtmrecv_listen_sock_fd = temp_sock_fd;
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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_csa(CSA_ARG(NULL) 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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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_csa(CSA_ARG(NULL) 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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if (0 > BIND(gtmrecv_listen_sock_fd, ai_ptr->ai_addr, ai_ptr->ai_addrlen))
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{
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rts_error_csa(CSA_ARG(NULL) VARLSTCNT(7) ERR_REPLCOMM, 0, ERR_TEXT, 2,
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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_csa(CSA_ARG(NULL) VARLSTCNT(7) ERR_REPLCOMM, 0, ERR_TEXT, 2,
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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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