Mercurial > hg > mlmmj
view src/init_sockfd.c @ 468:c670130daa80
SO_KEEPALIVE for socket
author | mmj |
---|---|
date | Tue, 15 Feb 2005 17:09:14 +1100 |
parents | 7c3190e7cff9 |
children | ea8e25921b9c |
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/* Copyright (C) 2002, 2003 Mads Martin Joergensen <mmj at mmj.dk> * * $Id$ * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to * deal in the Software without restriction, including without limitation the * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or * sell copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. */ #include <stdlib.h> #include <sys/types.h> #include <sys/socket.h> #include <netinet/in.h> #include <arpa/inet.h> #include <string.h> #include <inttypes.h> #include "init_sockfd.h" #include "log_error.h" void init_sockfd(int *sockfd, const char *relayhost, unsigned short port) { int len, on; struct sockaddr_in addr; if (getenv("MLMMJ_TESTING")) { relayhost = "127.0.0.1"; port = 10025; } *sockfd = socket(PF_INET, SOCK_STREAM, 0); if(*sockfd == -1) { log_error(LOG_ARGS, "Could not get socket"); exit(EXIT_FAILURE); } addr.sin_family = PF_INET; addr.sin_addr.s_addr = inet_addr(relayhost); addr.sin_port = htons(port); len = sizeof(addr); if(connect(*sockfd, (struct sockaddr *)&addr, len) == -1) { log_error(LOG_ARGS, "Could not connect to %s, " "exiting ... ", relayhost); exit(EXIT_FAILURE); } on = 1; if(setsockopt(*sockfd, SOL_SOCKET, SO_KEEPALIVE, (void *)&on, sizeof(on) < 0)) log_error(LOG_ARGS, "Could not set SO_KEEPALIVE"); }