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/* Routines to talk to the MSC using the IPA Protocol */
/*
* (C) 2010 by Holger Hans Peter Freyther <zecke@selfish.org>
* (C) 2010 by on-waves.com
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include <openbsc/bsc_msc.h>
#include <arpa/inet.h>
#include <sys/socket.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
int connect_to_msc(struct bsc_fd *fd, const char *ip, int port)
{
struct sockaddr_in sin;
int on = 1, ret;
printf("Attempting to connect MSC at %s:%d\n", ip, port);
fd->fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
fd->when = BSC_FD_READ;
fd->data = NULL;
fd->priv_nr = 1;
if (fd->fd < 0) {
perror("Creating TCP socket failed");
return fd->fd;
}
memset(&sin, 0, sizeof(sin));
sin.sin_family = AF_INET;
sin.sin_port = htons(port);
inet_aton(ip, &sin.sin_addr);
setsockopt(fd->fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
ret = connect(fd->fd, (struct sockaddr *) &sin, sizeof(sin));
if (ret < 0) {
perror("Connection failed");
return ret;
}
ret = bsc_register_fd(fd);
if (ret < 0) {
perror("Registering the fd failed");
close(fd->fd);
return ret;
}
return ret;
}
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