Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 1 | /* A Media Gateway Control Protocol Media Gateway: RFC 3435 */ |
Holger Hans Peter Freyther | e095502 | 2010-02-03 08:50:33 +0100 | [diff] [blame] | 2 | /* The main method to drive it as a standalone process */ |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 3 | |
| 4 | /* |
Holger Hans Peter Freyther | 74db774 | 2011-06-10 00:04:55 +0200 | [diff] [blame] | 5 | * (C) 2009-2011 by Holger Hans Peter Freyther <zecke@selfish.org> |
| 6 | * (C) 2009-2011 by On-Waves |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 7 | * All Rights Reserved |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
Harald Welte | 9af6ddf | 2011-01-01 15:25:50 +0100 | [diff] [blame] | 10 | * it under the terms of the GNU Affero General Public License as published by |
| 11 | * the Free Software Foundation; either version 3 of the License, or |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
Harald Welte | 9af6ddf | 2011-01-01 15:25:50 +0100 | [diff] [blame] | 17 | * GNU Affero General Public License for more details. |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 18 | * |
Harald Welte | 9af6ddf | 2011-01-01 15:25:50 +0100 | [diff] [blame] | 19 | * You should have received a copy of the GNU Affero General Public License |
| 20 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 21 | * |
| 22 | */ |
| 23 | |
| 24 | #include <ctype.h> |
| 25 | #include <stdio.h> |
| 26 | #include <stdlib.h> |
| 27 | #include <string.h> |
| 28 | #include <time.h> |
| 29 | #include <limits.h> |
| 30 | #include <unistd.h> |
Neels Hofmeyr | e9920f2 | 2017-07-10 15:07:22 +0200 | [diff] [blame] | 31 | #include <errno.h> |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 32 | |
| 33 | #include <sys/socket.h> |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 34 | |
Neels Hofmeyr | e9920f2 | 2017-07-10 15:07:22 +0200 | [diff] [blame] | 35 | #include <osmocom/legacy_mgcp/mgcp.h> |
| 36 | #include <osmocom/legacy_mgcp/mgcp_internal.h> |
| 37 | #include <osmocom/legacy_mgcp/vty.h> |
Holger Hans Peter Freyther | 67cd75f | 2011-05-12 16:02:07 +0200 | [diff] [blame] | 38 | |
| 39 | #include <osmocom/core/application.h> |
Pablo Neira Ayuso | 136f453 | 2011-03-22 16:47:59 +0100 | [diff] [blame] | 40 | #include <osmocom/core/msgb.h> |
| 41 | #include <osmocom/core/talloc.h> |
Pablo Neira Ayuso | 136f453 | 2011-03-22 16:47:59 +0100 | [diff] [blame] | 42 | #include <osmocom/core/select.h> |
Holger Hans Peter Freyther | 292769e | 2015-11-02 16:07:57 +0100 | [diff] [blame] | 43 | #include <osmocom/core/stats.h> |
| 44 | #include <osmocom/core/rate_ctr.h> |
Neels Hofmeyr | e9920f2 | 2017-07-10 15:07:22 +0200 | [diff] [blame] | 45 | #include <osmocom/core/logging.h> |
Holger Hans Peter Freyther | 67cd75f | 2011-05-12 16:02:07 +0200 | [diff] [blame] | 46 | |
Harald Welte | 4d54d0b | 2011-02-19 16:48:17 +0100 | [diff] [blame] | 47 | #include <osmocom/vty/telnet_interface.h> |
| 48 | #include <osmocom/vty/logging.h> |
Harald Welte | 55dc31e | 2014-08-24 17:54:49 +0200 | [diff] [blame] | 49 | #include <osmocom/vty/ports.h> |
Harald Welte | 4b037e4 | 2010-05-19 19:45:32 +0200 | [diff] [blame] | 50 | #include <osmocom/vty/command.h> |
Holger Hans Peter Freyther | 292769e | 2015-11-02 16:07:57 +0100 | [diff] [blame] | 51 | #include <osmocom/vty/stats.h> |
Holger Hans Peter Freyther | f5b6aa6 | 2010-03-30 12:43:53 +0200 | [diff] [blame] | 52 | |
Harald Welte | 5a29c7f | 2010-03-23 00:09:32 +0800 | [diff] [blame] | 53 | #include "../../bscconfig.h" |
| 54 | |
Jacob Erlbeck | 239a853 | 2014-03-13 14:25:51 +0100 | [diff] [blame] | 55 | #ifdef BUILD_MGCP_TRANSCODING |
Neels Hofmeyr | e9920f2 | 2017-07-10 15:07:22 +0200 | [diff] [blame] | 56 | #include <osmocom/legacy_mgcp/mgcp_transcode.h> |
Jacob Erlbeck | 239a853 | 2014-03-13 14:25:51 +0100 | [diff] [blame] | 57 | #endif |
| 58 | |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 59 | #define _GNU_SOURCE |
| 60 | #include <getopt.h> |
| 61 | |
| 62 | #warning "Make use of the rtp proxy code" |
| 63 | |
Holger Hans Peter Freyther | 7bdc637 | 2010-02-20 21:21:02 +0100 | [diff] [blame] | 64 | static struct mgcp_config *cfg; |
Holger Hans Peter Freyther | 74db774 | 2011-06-10 00:04:55 +0200 | [diff] [blame] | 65 | static struct mgcp_trunk_config *reset_trunk; |
Holger Hans Peter Freyther | 64e4e77 | 2010-03-31 07:01:35 +0200 | [diff] [blame] | 66 | static int reset_endpoints = 0; |
Harald Welte | 2c869ef | 2010-08-25 19:43:54 +0200 | [diff] [blame] | 67 | static int daemonize = 0; |
Holger Hans Peter Freyther | 64e4e77 | 2010-03-31 07:01:35 +0200 | [diff] [blame] | 68 | |
Holger Hans Peter Freyther | acf8a0c | 2010-03-29 08:47:44 +0200 | [diff] [blame] | 69 | const char *openbsc_copyright = |
Holger Hans Peter Freyther | 5f54075 | 2010-09-11 13:32:30 +0800 | [diff] [blame] | 70 | "Copyright (C) 2009-2010 Holger Freyther and On-Waves\r\n" |
Harald Welte | 9af6ddf | 2011-01-01 15:25:50 +0100 | [diff] [blame] | 71 | "Contributions by Daniel Willmann, Jan Lübbe, Stefan Schmidt\r\n" |
Holger Hans Peter Freyther | 5f54075 | 2010-09-11 13:32:30 +0800 | [diff] [blame] | 72 | "Dieter Spaar, Andreas Eversberg, Harald Welte\r\n\r\n" |
Harald Welte | 9af6ddf | 2011-01-01 15:25:50 +0100 | [diff] [blame] | 73 | "License AGPLv3+: GNU AGPL version 3 or later <http://gnu.org/licenses/agpl-3.0.html>\r\n" |
Holger Hans Peter Freyther | 5f54075 | 2010-09-11 13:32:30 +0800 | [diff] [blame] | 74 | "This is free software: you are free to change and redistribute it.\r\n" |
| 75 | "There is NO WARRANTY, to the extent permitted by law.\r\n"; |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 76 | |
| 77 | static char *config_file = "mgcp.cfg"; |
| 78 | |
| 79 | /* used by msgb and mgcp */ |
| 80 | void *tall_bsc_ctx = NULL; |
| 81 | |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 82 | static void print_help() |
| 83 | { |
| 84 | printf("Some useful help...\n"); |
| 85 | printf(" -h --help is printing this text.\n"); |
| 86 | printf(" -c --config-file filename The config file to use.\n"); |
Holger Hans Peter Freyther | 778695d | 2012-09-20 16:04:54 +0200 | [diff] [blame] | 87 | printf(" -s --disable-color\n"); |
Harald Welte | 6b36b90 | 2012-01-27 13:21:46 +0100 | [diff] [blame] | 88 | printf(" -D --daemonize Fork the process into a background daemon\n"); |
| 89 | printf(" -V --version Print the version number\n"); |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 90 | } |
| 91 | |
Holger Hans Peter Freyther | adb6e1c | 2010-09-18 06:44:24 +0800 | [diff] [blame] | 92 | static void handle_options(int argc, char **argv) |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 93 | { |
| 94 | while (1) { |
| 95 | int option_index = 0, c; |
| 96 | static struct option long_options[] = { |
| 97 | {"help", 0, 0, 'h'}, |
| 98 | {"config-file", 1, 0, 'c'}, |
Harald Welte | 2c869ef | 2010-08-25 19:43:54 +0200 | [diff] [blame] | 99 | {"daemonize", 0, 0, 'D'}, |
Harald Welte | 5a29c7f | 2010-03-23 00:09:32 +0800 | [diff] [blame] | 100 | {"version", 0, 0, 'V'}, |
Holger Hans Peter Freyther | 778695d | 2012-09-20 16:04:54 +0200 | [diff] [blame] | 101 | {"disable-color", 0, 0, 's'}, |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 102 | {0, 0, 0, 0}, |
| 103 | }; |
| 104 | |
Harald Welte | 2c869ef | 2010-08-25 19:43:54 +0200 | [diff] [blame] | 105 | c = getopt_long(argc, argv, "hc:VD", long_options, &option_index); |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 106 | |
| 107 | if (c == -1) |
| 108 | break; |
| 109 | |
| 110 | switch(c) { |
| 111 | case 'h': |
| 112 | print_help(); |
| 113 | exit(0); |
| 114 | break; |
| 115 | case 'c': |
| 116 | config_file = talloc_strdup(tall_bsc_ctx, optarg); |
| 117 | break; |
Holger Hans Peter Freyther | 778695d | 2012-09-20 16:04:54 +0200 | [diff] [blame] | 118 | case 's': |
| 119 | log_set_use_color(osmo_stderr_target, 0); |
| 120 | break; |
Harald Welte | 5a29c7f | 2010-03-23 00:09:32 +0800 | [diff] [blame] | 121 | case 'V': |
Harald Welte | 1353f96 | 2010-05-16 19:20:24 +0200 | [diff] [blame] | 122 | print_version(1); |
Harald Welte | 5a29c7f | 2010-03-23 00:09:32 +0800 | [diff] [blame] | 123 | exit(0); |
| 124 | break; |
Harald Welte | 2c869ef | 2010-08-25 19:43:54 +0200 | [diff] [blame] | 125 | case 'D': |
| 126 | daemonize = 1; |
| 127 | break; |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 128 | default: |
| 129 | /* ignore */ |
| 130 | break; |
| 131 | }; |
| 132 | } |
| 133 | } |
| 134 | |
Holger Hans Peter Freyther | 64e4e77 | 2010-03-31 07:01:35 +0200 | [diff] [blame] | 135 | /* simply remember this */ |
Holger Hans Peter Freyther | 74db774 | 2011-06-10 00:04:55 +0200 | [diff] [blame] | 136 | static int mgcp_rsip_cb(struct mgcp_trunk_config *tcfg) |
Holger Hans Peter Freyther | 64e4e77 | 2010-03-31 07:01:35 +0200 | [diff] [blame] | 137 | { |
| 138 | reset_endpoints = 1; |
Holger Hans Peter Freyther | 74db774 | 2011-06-10 00:04:55 +0200 | [diff] [blame] | 139 | reset_trunk = tcfg; |
Holger Hans Peter Freyther | 64e4e77 | 2010-03-31 07:01:35 +0200 | [diff] [blame] | 140 | |
| 141 | return 0; |
| 142 | } |
| 143 | |
Pablo Neira Ayuso | 4db9299 | 2011-05-06 12:11:23 +0200 | [diff] [blame] | 144 | static int read_call_agent(struct osmo_fd *fd, unsigned int what) |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 145 | { |
| 146 | struct sockaddr_in addr; |
| 147 | socklen_t slen = sizeof(addr); |
| 148 | struct msgb *msg; |
Holger Hans Peter Freyther | 62e836c | 2010-02-03 11:03:45 +0100 | [diff] [blame] | 149 | struct msgb *resp; |
Holger Hans Peter Freyther | 64e4e77 | 2010-03-31 07:01:35 +0200 | [diff] [blame] | 150 | int i; |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 151 | |
| 152 | msg = (struct msgb *) fd->data; |
| 153 | |
| 154 | /* read one less so we can use it as a \0 */ |
Holger Hans Peter Freyther | 6f68010 | 2010-09-18 20:40:22 +0800 | [diff] [blame] | 155 | int rc = recvfrom(cfg->gw_fd.bfd.fd, msg->data, msg->data_len - 1, 0, |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 156 | (struct sockaddr *) &addr, &slen); |
| 157 | if (rc < 0) { |
| 158 | perror("Gateway failed to read"); |
| 159 | return -1; |
| 160 | } else if (slen > sizeof(addr)) { |
Holger Hans Peter Freyther | 2f2be57 | 2012-03-16 12:18:39 +0100 | [diff] [blame] | 161 | fprintf(stderr, "Gateway received message from outerspace: %zu %zu\n", |
Holger Hans Peter Freyther | daaea0c | 2015-08-03 09:28:41 +0200 | [diff] [blame] | 162 | (size_t) slen, sizeof(addr)); |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 163 | return -1; |
| 164 | } |
| 165 | |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 166 | /* handle message now */ |
| 167 | msg->l2h = msgb_put(msg, rc); |
Holger Hans Peter Freyther | 7bdc637 | 2010-02-20 21:21:02 +0100 | [diff] [blame] | 168 | resp = mgcp_handle_message(cfg, msg); |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 169 | msgb_reset(msg); |
Holger Hans Peter Freyther | 62e836c | 2010-02-03 11:03:45 +0100 | [diff] [blame] | 170 | |
| 171 | if (resp) { |
Holger Hans Peter Freyther | 6f68010 | 2010-09-18 20:40:22 +0800 | [diff] [blame] | 172 | sendto(cfg->gw_fd.bfd.fd, resp->l2h, msgb_l2len(resp), 0, (struct sockaddr *) &addr, sizeof(addr)); |
Holger Hans Peter Freyther | 62e836c | 2010-02-03 11:03:45 +0100 | [diff] [blame] | 173 | msgb_free(resp); |
| 174 | } |
Holger Hans Peter Freyther | 64e4e77 | 2010-03-31 07:01:35 +0200 | [diff] [blame] | 175 | |
| 176 | if (reset_endpoints) { |
Neels Hofmeyr | e9920f2 | 2017-07-10 15:07:22 +0200 | [diff] [blame] | 177 | LOGP(DLMGCP, LOGL_NOTICE, |
Holger Hans Peter Freyther | 74db774 | 2011-06-10 00:04:55 +0200 | [diff] [blame] | 178 | "Asked to reset endpoints: %d/%d\n", |
| 179 | reset_trunk->trunk_nr, reset_trunk->trunk_type); |
Holger Hans Peter Freyther | 64e4e77 | 2010-03-31 07:01:35 +0200 | [diff] [blame] | 180 | reset_endpoints = 0; |
| 181 | |
| 182 | /* is checking in_addr.s_addr == INADDR_LOOPBACK making it more secure? */ |
Holger Hans Peter Freyther | 74db774 | 2011-06-10 00:04:55 +0200 | [diff] [blame] | 183 | for (i = 1; i < reset_trunk->number_endpoints; ++i) |
Holger Hans Peter Freyther | cb6ad70 | 2014-07-22 15:00:52 +0200 | [diff] [blame] | 184 | mgcp_release_endp(&reset_trunk->endpoints[i]); |
Holger Hans Peter Freyther | 64e4e77 | 2010-03-31 07:01:35 +0200 | [diff] [blame] | 185 | } |
| 186 | |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 187 | return 0; |
| 188 | } |
| 189 | |
Neels Hofmeyr | e9920f2 | 2017-07-10 15:07:22 +0200 | [diff] [blame] | 190 | int mgcp_vty_is_config_node(struct vty *vty, int node) |
| 191 | { |
| 192 | switch (node) { |
| 193 | case CONFIG_NODE: |
| 194 | return 0; |
| 195 | |
| 196 | default: |
| 197 | return 1; |
| 198 | } |
| 199 | } |
| 200 | |
| 201 | int mgcp_vty_go_parent(struct vty *vty) |
| 202 | { |
| 203 | switch (vty->node) { |
| 204 | case TRUNK_NODE: |
| 205 | vty->node = MGCP_NODE; |
| 206 | vty->index = NULL; |
| 207 | break; |
| 208 | case MGCP_NODE: |
| 209 | default: |
| 210 | if (mgcp_vty_is_config_node(vty, vty->node)) |
| 211 | vty->node = CONFIG_NODE; |
| 212 | else |
| 213 | vty->node = ENABLE_NODE; |
| 214 | |
| 215 | vty->index = NULL; |
| 216 | } |
| 217 | |
| 218 | return vty->node; |
| 219 | } |
| 220 | |
Harald Welte | c31f480 | 2010-05-25 23:31:39 +0200 | [diff] [blame] | 221 | |
| 222 | static struct vty_app_info vty_info = { |
| 223 | .name = "OpenBSC MGCP", |
| 224 | .version = PACKAGE_VERSION, |
Neels Hofmeyr | e9920f2 | 2017-07-10 15:07:22 +0200 | [diff] [blame] | 225 | .go_parent_cb = mgcp_vty_go_parent, |
| 226 | .is_config_node = mgcp_vty_is_config_node, |
| 227 | }; |
| 228 | |
| 229 | static const struct log_info_cat log_categories[] = { |
| 230 | /* DLMGCP is provided by the MGCP library */ |
| 231 | }; |
| 232 | |
| 233 | const struct log_info log_info = { |
| 234 | .cat = log_categories, |
| 235 | .num_cat = ARRAY_SIZE(log_categories), |
Harald Welte | c31f480 | 2010-05-25 23:31:39 +0200 | [diff] [blame] | 236 | }; |
Holger Hans Peter Freyther | bd5130d | 2010-01-13 23:36:53 +0100 | [diff] [blame] | 237 | |
Holger Hans Peter Freyther | adb6e1c | 2010-09-18 06:44:24 +0800 | [diff] [blame] | 238 | int main(int argc, char **argv) |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 239 | { |
| 240 | struct sockaddr_in addr; |
Holger Hans Peter Freyther | e095502 | 2010-02-03 08:50:33 +0100 | [diff] [blame] | 241 | int on = 1, rc; |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 242 | |
| 243 | tall_bsc_ctx = talloc_named_const(NULL, 1, "mgcp-callagent"); |
Neels Hofmeyr | 4c2d4ab | 2016-09-16 02:31:17 +0200 | [diff] [blame] | 244 | msgb_talloc_ctx_init(tall_bsc_ctx, 0); |
Holger Hans Peter Freyther | b61e3b2 | 2009-12-22 22:32:51 +0100 | [diff] [blame] | 245 | |
Holger Hans Peter Freyther | 67cd75f | 2011-05-12 16:02:07 +0200 | [diff] [blame] | 246 | osmo_init_ignore_signals(); |
| 247 | osmo_init_logging(&log_info); |
Holger Hans Peter Freyther | b61e3b2 | 2009-12-22 22:32:51 +0100 | [diff] [blame] | 248 | |
Holger Hans Peter Freyther | 7bdc637 | 2010-02-20 21:21:02 +0100 | [diff] [blame] | 249 | cfg = mgcp_config_alloc(); |
| 250 | if (!cfg) |
| 251 | return -1; |
| 252 | |
Jacob Erlbeck | 239a853 | 2014-03-13 14:25:51 +0100 | [diff] [blame] | 253 | #ifdef BUILD_MGCP_TRANSCODING |
| 254 | cfg->setup_rtp_processing_cb = &mgcp_transcoding_setup; |
| 255 | cfg->rtp_processing_cb = &mgcp_transcoding_process_rtp; |
| 256 | cfg->get_net_downlink_format_cb = &mgcp_transcoding_net_downlink_format; |
| 257 | #endif |
| 258 | |
Philipp Maier | dd9f6cd | 2017-08-08 12:04:30 +0200 | [diff] [blame] | 259 | cfg->trunk.force_realloc = 1; |
| 260 | |
Harald Welte | c31f480 | 2010-05-25 23:31:39 +0200 | [diff] [blame] | 261 | vty_info.copyright = openbsc_copyright; |
| 262 | vty_init(&vty_info); |
Max | db0e380 | 2017-01-12 19:35:11 +0100 | [diff] [blame] | 263 | logging_vty_add_cmds(NULL); |
Holger Hans Peter Freyther | 292769e | 2015-11-02 16:07:57 +0100 | [diff] [blame] | 264 | osmo_stats_vty_add_cmds(&log_info); |
Harald Welte | dcccb18 | 2010-05-16 20:52:23 +0200 | [diff] [blame] | 265 | mgcp_vty_init(); |
Harald Welte | 1353f96 | 2010-05-16 19:20:24 +0200 | [diff] [blame] | 266 | |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 267 | handle_options(argc, argv); |
| 268 | |
Holger Hans Peter Freyther | 292769e | 2015-11-02 16:07:57 +0100 | [diff] [blame] | 269 | rate_ctr_init(tall_bsc_ctx); |
| 270 | osmo_stats_init(tall_bsc_ctx); |
| 271 | |
Pablo Neira Ayuso | 326b5d8 | 2013-08-02 21:14:14 +0200 | [diff] [blame] | 272 | rc = mgcp_parse_config(config_file, cfg, MGCP_BSC); |
Holger Hans Peter Freyther | e095502 | 2010-02-03 08:50:33 +0100 | [diff] [blame] | 273 | if (rc < 0) |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 274 | return rc; |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 275 | |
Neels Hofmeyr | fa0f715 | 2016-02-23 14:09:38 +0100 | [diff] [blame] | 276 | /* start telnet after reading config for vty_get_bind_addr() */ |
Neels Hofmeyr | e9920f2 | 2017-07-10 15:07:22 +0200 | [diff] [blame] | 277 | rc = telnet_init_dynif(tall_bsc_ctx, NULL, |
Neels Hofmeyr | fa0f715 | 2016-02-23 14:09:38 +0100 | [diff] [blame] | 278 | vty_get_bind_addr(), OSMO_VTY_PORT_BSC_MGCP); |
Harald Welte | dcccb18 | 2010-05-16 20:52:23 +0200 | [diff] [blame] | 279 | if (rc < 0) |
| 280 | return rc; |
| 281 | |
Holger Hans Peter Freyther | 64e4e77 | 2010-03-31 07:01:35 +0200 | [diff] [blame] | 282 | /* set some callbacks */ |
| 283 | cfg->reset_cb = mgcp_rsip_cb; |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 284 | |
Holger Hans Peter Freyther | e095502 | 2010-02-03 08:50:33 +0100 | [diff] [blame] | 285 | /* we need to bind a socket */ |
| 286 | if (rc == 0) { |
Holger Hans Peter Freyther | 6f68010 | 2010-09-18 20:40:22 +0800 | [diff] [blame] | 287 | cfg->gw_fd.bfd.when = BSC_FD_READ; |
| 288 | cfg->gw_fd.bfd.cb = read_call_agent; |
| 289 | cfg->gw_fd.bfd.fd = socket(AF_INET, SOCK_DGRAM, 0); |
| 290 | if (cfg->gw_fd.bfd.fd < 0) { |
Holger Hans Peter Freyther | 14083be | 2010-01-05 12:21:36 +0100 | [diff] [blame] | 291 | perror("Gateway failed to listen"); |
| 292 | return -1; |
| 293 | } |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 294 | |
Holger Hans Peter Freyther | 6f68010 | 2010-09-18 20:40:22 +0800 | [diff] [blame] | 295 | setsockopt(cfg->gw_fd.bfd.fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)); |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 296 | |
Holger Hans Peter Freyther | 14083be | 2010-01-05 12:21:36 +0100 | [diff] [blame] | 297 | memset(&addr, 0, sizeof(addr)); |
| 298 | addr.sin_family = AF_INET; |
Holger Hans Peter Freyther | 7bdc637 | 2010-02-20 21:21:02 +0100 | [diff] [blame] | 299 | addr.sin_port = htons(cfg->source_port); |
| 300 | inet_aton(cfg->source_addr, &addr.sin_addr); |
Holger Hans Peter Freyther | 14083be | 2010-01-05 12:21:36 +0100 | [diff] [blame] | 301 | |
Holger Hans Peter Freyther | 6f68010 | 2010-09-18 20:40:22 +0800 | [diff] [blame] | 302 | if (bind(cfg->gw_fd.bfd.fd, (struct sockaddr *) &addr, sizeof(addr)) < 0) { |
Holger Hans Peter Freyther | 14083be | 2010-01-05 12:21:36 +0100 | [diff] [blame] | 303 | perror("Gateway failed to bind"); |
| 304 | return -1; |
| 305 | } |
| 306 | |
Holger Hans Peter Freyther | 6f68010 | 2010-09-18 20:40:22 +0800 | [diff] [blame] | 307 | cfg->gw_fd.bfd.data = msgb_alloc(4096, "mgcp-msg"); |
| 308 | if (!cfg->gw_fd.bfd.data) { |
Holger Hans Peter Freyther | 14083be | 2010-01-05 12:21:36 +0100 | [diff] [blame] | 309 | fprintf(stderr, "Gateway memory error.\n"); |
| 310 | return -1; |
| 311 | } |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 312 | |
Harald Welte | 50f93a4 | 2012-01-27 00:38:59 +0100 | [diff] [blame] | 313 | if (cfg->call_agent_addr) { |
| 314 | addr.sin_port = htons(2727); |
| 315 | inet_aton(cfg->call_agent_addr, &addr.sin_addr); |
| 316 | if (connect(cfg->gw_fd.bfd.fd, (struct sockaddr *) &addr, sizeof(addr)) < 0) { |
Neels Hofmeyr | e9920f2 | 2017-07-10 15:07:22 +0200 | [diff] [blame] | 317 | LOGP(DLMGCP, LOGL_ERROR, "Failed to connect to: '%s'. errno: %d\n", |
Harald Welte | 50f93a4 | 2012-01-27 00:38:59 +0100 | [diff] [blame] | 318 | cfg->call_agent_addr, errno); |
| 319 | close(cfg->gw_fd.bfd.fd); |
| 320 | cfg->gw_fd.bfd.fd = -1; |
| 321 | return -1; |
| 322 | } |
| 323 | } |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 324 | |
Pablo Neira Ayuso | 4db9299 | 2011-05-06 12:11:23 +0200 | [diff] [blame] | 325 | if (osmo_fd_register(&cfg->gw_fd.bfd) != 0) { |
Neels Hofmeyr | e9920f2 | 2017-07-10 15:07:22 +0200 | [diff] [blame] | 326 | LOGP(DLMGCP, LOGL_FATAL, "Failed to register the fd\n"); |
Holger Hans Peter Freyther | 14083be | 2010-01-05 12:21:36 +0100 | [diff] [blame] | 327 | return -1; |
| 328 | } |
Holger Hans Peter Freyther | f986cfc | 2010-01-05 12:25:25 +0100 | [diff] [blame] | 329 | |
Neels Hofmeyr | e9920f2 | 2017-07-10 15:07:22 +0200 | [diff] [blame] | 330 | LOGP(DLMGCP, LOGL_NOTICE, "Configured for MGCP.\n"); |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 331 | } |
| 332 | |
| 333 | /* initialisation */ |
| 334 | srand(time(NULL)); |
| 335 | |
Harald Welte | 2c869ef | 2010-08-25 19:43:54 +0200 | [diff] [blame] | 336 | if (daemonize) { |
| 337 | rc = osmo_daemonize(); |
| 338 | if (rc < 0) { |
| 339 | perror("Error during daemonize"); |
| 340 | exit(1); |
| 341 | } |
| 342 | } |
| 343 | |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 344 | /* main loop */ |
| 345 | while (1) { |
Pablo Neira Ayuso | 4db9299 | 2011-05-06 12:11:23 +0200 | [diff] [blame] | 346 | osmo_select_main(0); |
Holger Hans Peter Freyther | f67945f | 2009-10-09 07:08:11 +0200 | [diff] [blame] | 347 | } |
| 348 | |
| 349 | |
| 350 | return 0; |
| 351 | } |