Holger Hans Peter Freyther | 9e16ba5 | 2010-06-15 18:45:06 +0800 | [diff] [blame] | 1 | /* Routines to talk to the MSC using the IPA Protocol */ |
| 2 | /* |
| 3 | * (C) 2010 by Holger Hans Peter Freyther <zecke@selfish.org> |
| 4 | * (C) 2010 by on-waves.com |
| 5 | * All Rights Reserved |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License along |
| 18 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | */ |
| 22 | |
| 23 | #include <openbsc/bsc_msc.h> |
| 24 | |
| 25 | #include <arpa/inet.h> |
| 26 | #include <sys/socket.h> |
| 27 | #include <stdio.h> |
| 28 | #include <string.h> |
| 29 | #include <unistd.h> |
| 30 | |
| 31 | int connect_to_msc(struct bsc_fd *fd, const char *ip, int port) |
| 32 | { |
| 33 | struct sockaddr_in sin; |
| 34 | int on = 1, ret; |
| 35 | |
| 36 | printf("Attempting to connect MSC at %s:%d\n", ip, port); |
| 37 | |
| 38 | fd->fd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); |
| 39 | fd->when = BSC_FD_READ; |
| 40 | fd->data = NULL; |
| 41 | fd->priv_nr = 1; |
| 42 | |
| 43 | if (fd->fd < 0) { |
| 44 | perror("Creating TCP socket failed"); |
| 45 | return fd->fd; |
| 46 | } |
| 47 | |
| 48 | |
| 49 | memset(&sin, 0, sizeof(sin)); |
| 50 | sin.sin_family = AF_INET; |
| 51 | sin.sin_port = htons(port); |
| 52 | inet_aton(ip, &sin.sin_addr); |
| 53 | |
| 54 | setsockopt(fd->fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)); |
| 55 | ret = connect(fd->fd, (struct sockaddr *) &sin, sizeof(sin)); |
| 56 | |
| 57 | if (ret < 0) { |
| 58 | perror("Connection failed"); |
| 59 | return ret; |
| 60 | } |
| 61 | |
| 62 | ret = bsc_register_fd(fd); |
| 63 | if (ret < 0) { |
| 64 | perror("Registering the fd failed"); |
| 65 | close(fd->fd); |
| 66 | return ret; |
| 67 | } |
| 68 | |
| 69 | return ret; |
| 70 | } |