mirror of
https://github.com/matrix-construct/construct
synced 2024-11-30 02:32:43 +01:00
212380e3f4
+ branches/release-2.1 -> 2.2 base + 3.0 -> branches/cxxconversion + backport some immediate 3.0 functionality for 2.2 + other stuff
121 lines
2.6 KiB
C
121 lines
2.6 KiB
C
/************************************************************************
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* IRC - Internet Relay Chat, servlink/servlink.c
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 1, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* $Id: servlink.c 6 2005-09-10 01:02:21Z nenolod $
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*/
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#include "setup.h"
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#include <sys/types.h>
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#include <sys/time.h>
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#include <sys/socket.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <fcntl.h>
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#ifdef HAVE_LIBZ
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#include <zlib.h>
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#endif
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#include "servlink.h"
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#include "io.h"
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#include "control.h"
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static void usage(void);
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struct slink_state in_state;
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struct slink_state out_state;
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struct fd_table fds[3] = {
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{0, read_ctrl, NULL}, /* ctrl */
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{0, NULL, NULL}, /* data */
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{0, NULL, NULL}, /* net */
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};
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/* usage();
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*
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* Display usage message
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*/
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static void
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usage(void)
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{
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fprintf(stderr, "ircd-ratbox server link v1.2\n");
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fprintf(stderr, "2004-03-02\n");
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fprintf(stderr, "\n");
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fprintf(stderr, "This program is called by the ircd-ratbox ircd.\n");
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fprintf(stderr, "It cannot be used on its own.\n");
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exit(1);
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}
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int
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main(int argc, char *argv[])
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{
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int max_fd = 0;
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int i, x;
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#ifdef SERVLINK_DEBUG
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int GDBAttached = 0;
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while (!GDBAttached)
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sleep(1);
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#endif
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/* Make sure we are running under ircd.. */
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if(argc != 4 || strcmp(argv[0], "-slink"))
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usage(); /* exits */
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for (i = 0; i < 3; i++)
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{
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fds[i].fd = atoi(argv[i + 1]);
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if(fds[i].fd < 0)
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exit(1);
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}
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for (i = 0; i < 3; i++)
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{
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/* XXX: Hack alert...we need to do dup2() here for some dumb
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* platforms (Solaris) that don't like select using fds > 255
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*/
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if(fds[i].fd >= 255)
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{
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for(x = 0; x < 255; x++)
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{
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if(x != fds[0].fd && x != fds[1].fd && x != fds[2].fd)
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{
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if(dup2(fds[i].fd, x) < 0)
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exit(1);
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close(fds[i].fd);
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fds[i].fd = x;
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break;
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}
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}
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}
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fcntl(fds[i].fd, F_SETFL, O_NONBLOCK);
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if(fds[i].fd > max_fd)
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max_fd = fds[i].fd;
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}
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/* enter io loop */
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io_loop(max_fd + 1);
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/* NOTREACHED */
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return (0);
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} /* main() */
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