/* Routines to talk to the MSC using the IPA Protocol */ /* * (C) 2010 by Holger Hans Peter Freyther * (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 #include #include #include #include #include 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; }