Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 1 | /* Use the UniPorte library to allocate endpoints */ |
| 2 | /* |
Holger Hans Peter Freyther | 1cf3a83 | 2011-01-26 12:51:22 +0100 | [diff] [blame] | 3 | * (C) 2010-2011 by Holger Hans Peter Freyther <zecke@selfish.org> |
| 4 | * (C) 2010-2011 by On-Waves |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 5 | * All Rights Reserved |
| 6 | * |
Holger Hans Peter Freyther | de56c22 | 2011-01-16 17:45:14 +0100 | [diff] [blame] | 7 | * This program is free software: you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU Affero General Public License as published by |
| 9 | * the Free Software Foundation, either version 3 of the License, or |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 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 |
Holger Hans Peter Freyther | de56c22 | 2011-01-16 17:45:14 +0100 | [diff] [blame] | 15 | * GNU Affero General Public License for more details. |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 16 | * |
Holger Hans Peter Freyther | de56c22 | 2011-01-16 17:45:14 +0100 | [diff] [blame] | 17 | * You should have received a copy of the GNU Affero General Public License |
| 18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 19 | * |
| 20 | */ |
| 21 | |
| 22 | #include <mgcp_ss7.h> |
| 23 | #include <mgcp/mgcp.h> |
| 24 | #include <mgcp/mgcp_internal.h> |
| 25 | |
Holger Hans Peter Freyther | cbf7d18 | 2010-07-31 05:25:35 +0800 | [diff] [blame] | 26 | #include <cellmgr_debug.h> |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 27 | |
Holger Hans Peter Freyther | cbf7d18 | 2010-07-31 05:25:35 +0800 | [diff] [blame] | 28 | #include <osmocore/select.h> |
| 29 | #include <osmocore/talloc.h> |
| 30 | #include <osmocore/timer.h> |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 31 | |
Holger Hans Peter Freyther | cbf7d18 | 2010-07-31 05:25:35 +0800 | [diff] [blame] | 32 | #include <osmocom/vty/vty.h> |
Holger Hans Peter Freyther | cc1a938 | 2010-08-04 06:24:04 +0800 | [diff] [blame] | 33 | #include <osmocom/vty/telnet_interface.h> |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 34 | |
| 35 | /* uniporte includes */ |
| 36 | #ifndef NO_UNIPORTE |
| 37 | #include <UniPorte.h> |
| 38 | #include <BusMastHostApi.h> |
| 39 | #include <MtnSa.h> |
| 40 | #include <SystemLayer.h> |
| 41 | #include <PredefMobs.h> |
| 42 | #endif |
| 43 | |
| 44 | #include <errno.h> |
| 45 | #include <limits.h> |
| 46 | #include <string.h> |
| 47 | #include <unistd.h> |
| 48 | #include <signal.h> |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 49 | |
| 50 | #ifndef _GNU_SOURCE |
| 51 | #define _GNU_SOURCE |
| 52 | #endif |
| 53 | #include <getopt.h> |
| 54 | |
Holger Hans Peter Freyther | cbf7d18 | 2010-07-31 05:25:35 +0800 | [diff] [blame] | 55 | static struct log_target *stderr_target; |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 56 | static char *config_file = "mgcp_mgw.cfg"; |
| 57 | static int exit_on_failure = 0; |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 58 | |
Holger Hans Peter Freyther | 1cf3a83 | 2011-01-26 12:51:22 +0100 | [diff] [blame] | 59 | |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 60 | extern struct mgcp_config *g_cfg; |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 61 | |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 62 | static void mgcp_ss7_endp_free(struct mgcp_endpoint *endp); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 63 | |
Holger Hans Peter Freyther | 8fa8e58 | 2010-12-01 23:14:57 +0100 | [diff] [blame] | 64 | |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 65 | #ifndef NO_UNIPORTE |
| 66 | static void mgcp_ss7_do_exec(struct mgcp_ss7 *mgcp, uint8_t type, struct mgcp_endpoint *, uint32_t param); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 67 | |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 68 | /* Contains a mapping from UniPorte to the MGCP side of things */ |
| 69 | static struct mgcp_endpoint *s_endpoints[240]; |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 70 | |
Holger Hans Peter Freyther | 672f321 | 2011-03-01 13:52:57 +0100 | [diff] [blame] | 71 | static int select_voice_port(struct mgcp_endpoint *endp) |
| 72 | { |
| 73 | int mgw_port; |
| 74 | int timeslot, multiplex; |
| 75 | |
| 76 | mgcp_endpoint_to_timeslot(ENDPOINT_NUMBER(endp), &multiplex, ×lot); |
| 77 | if (timeslot == 0x0 || timeslot == 0x1F) { |
| 78 | LOGP(DMGCP, LOGL_ERROR, "0x0 and 0x1F are reserved for signalling.\n"); |
| 79 | return -1; |
| 80 | } |
| 81 | |
| 82 | mgw_port = endp->tcfg->voice_base + 30 * multiplex; |
| 83 | |
| 84 | mgw_port = mgw_port + timeslot - endp->tcfg->endp_offset; |
| 85 | fprintf(stderr, "TEST: Going to use MGW: %d for MUL: %d TS: %d\n", |
| 86 | mgw_port, multiplex, timeslot); |
| 87 | return mgw_port; |
| 88 | } |
| 89 | |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 90 | static void check_exit(int status) |
| 91 | { |
| 92 | if (exit_on_failure && status == 21) { |
| 93 | LOGP(DMGCP, LOGL_ERROR, "Failure detected with the MGW. Exiting.\n"); |
| 94 | exit(-1); |
| 95 | } |
| 96 | } |
| 97 | |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 98 | |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 99 | static void Force_Poll( int milliseconds ) |
| 100 | { |
| 101 | int timeout = 0; |
| 102 | unsigned long startTime; |
| 103 | |
| 104 | startTime = SysLyrGetTime(); |
| 105 | |
| 106 | /* Loop until the specified number of milliseconds |
| 107 | * have elapsed. |
| 108 | */ |
| 109 | do { |
| 110 | MtnSaPoll(); |
| 111 | SysLyrSleep( 20 ); |
| 112 | } while ((SysLyrGetTime()-startTime)<(unsigned long)milliseconds); |
| 113 | return; |
| 114 | } |
| 115 | |
| 116 | static char eventName[Event_TELEMETRY_DATA + 1][128] = { |
| 117 | { "Event_NOT_READY" }, |
| 118 | { "Event_READY" }, |
| 119 | { "Event_ANSWER" }, |
| 120 | { "Event_OUTGOING_CALL" }, |
| 121 | { "Event_ABORT" }, |
| 122 | { "Event_CONNECT" }, |
| 123 | { "Event_DISCONNECT" }, |
| 124 | { "Event_MANAGED_OBJECT_GET_COMPLETE" }, |
| 125 | { "Event_MANAGED_OBJECT_GET_AND_CLEAR_COMPLETE" }, |
| 126 | { "Event_MANAGED_OBJECT_SET_COMPLETE" }, |
| 127 | { "Event_MANAGED_OBJECT_TRAP" }, |
| 128 | { "Event_PREDEF_MOB_SET_COMPLETE" }, |
| 129 | { "Event_PREDEF_MOB_GET_COMPLETE" }, |
| 130 | { "Event_USER_MOB_DEFINE_COMPLETE" }, |
| 131 | { "Event_USER_MOB_SET_COMPLETE" }, |
| 132 | { "Event_USER_MOB_GET_COMPLETE" }, |
| 133 | { "Event_RECEIVE_DATA" }, |
| 134 | { "Event_SEND_COMPLETE" }, |
| 135 | { "Event_TDM_CONNECT_COMPLETE" }, |
| 136 | { "Event_LOG" }, |
| 137 | { "Event_DEVICE_IN_CONTACT" }, |
| 138 | { "Event_DEVICE_MANAGED" }, |
| 139 | { "Event_DEVICE_OUT_OF_CONTACT" }, |
| 140 | { "Event_TELEMETRY_DATA" } }; |
| 141 | |
| 142 | static char stateName[PortState_END_OF_ENUM][128] = { |
| 143 | { "PortState_IDLE" }, |
| 144 | { "PortState_SIGNALING" }, |
| 145 | { "PortState_INITIATING" }, |
| 146 | { "PortState_LINK" }, |
| 147 | { "PortState_TRAINING" }, |
| 148 | { "PortState_EC_NEGOTIATING" }, |
| 149 | { "PortState_DATA" }, |
| 150 | { "PortState_RESYNCING" }, |
| 151 | { "PortState_FAX" }, |
| 152 | { "PortState_COMMAND_ESCAPE" }, |
| 153 | { "PortState_TERMINATING" }, |
| 154 | { "PortState_VOICE" }, |
| 155 | { "PortState_PORT_RESET" }, |
| 156 | { "PortState_DSP_RESET" }, |
| 157 | { "PortState_ALLOCATED" }, |
| 158 | { "PortState_OUT_OF_SERVICE" }, |
| 159 | { "PortState_RECONFIGURE" }, |
| 160 | { "PortState_ON_HOLD" } }; |
| 161 | static int uniporte_events(unsigned long port, EventTypeT event, |
| 162 | void *event_data, unsigned long event_data_length ) { |
| 163 | char text[128]; |
| 164 | ManObjectInfoPtr info; |
| 165 | DataReceiveInfoPtr dataInfo; |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 166 | struct mgcp_endpoint *endp; |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 167 | int i; |
| 168 | ToneDetectionPtr tones; |
| 169 | |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 170 | /* Don't print output when we receive data or complete |
| 171 | * sending data. That would be too verbose. |
| 172 | */ |
| 173 | if (event==Event_DEVICE_MANAGED) { |
| 174 | MtnSaSetManObject(0, ChannelType_ETHERNET, ManObj_C_MOE_COMM_LOSS_RESET_DELAY , |
| 175 | 10, 0); |
| 176 | } |
| 177 | else if (event==Event_MANAGED_OBJECT_TRAP ) { |
| 178 | info = (ManObjectInfoPtr)event_data; |
| 179 | if (info->trapId == Trap_PORT_STATE_CHANGE) { |
| 180 | sprintf(text, "Port #%ld, Change to state %s", port, stateName[info->value]); |
| 181 | puts(text); |
| 182 | |
| 183 | /* update the mgcp state */ |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 184 | if (port >= ARRAY_SIZE(s_endpoints)) { |
| 185 | fprintf(stderr, "The port is bigger than we can manage.\n"); |
| 186 | return 0; |
| 187 | } |
| 188 | |
| 189 | endp = s_endpoints[port]; |
| 190 | if (!endp) { |
| 191 | fprintf(stderr, "Unexpected event on port %d\n", port); |
| 192 | return 0; |
| 193 | } |
| 194 | |
| 195 | if (endp->block_processing != 1) |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 196 | fprintf(stderr, "State change on a non blocked port. ERROR.\n"); |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 197 | endp->block_processing = 0; |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 198 | } |
| 199 | } |
| 200 | else if ( event == Event_MANAGED_OBJECT_SET_COMPLETE ) { |
| 201 | info = (ManObjectInfoPtr)event_data; |
| 202 | |
| 203 | sprintf(text, "Object %d value %d status %d", info->object, info->value, |
| 204 | info->status ); |
| 205 | puts(text); |
| 206 | check_exit(info->status); |
| 207 | } |
| 208 | else if ( ( event == Event_USER_MOB_SET_COMPLETE ) || |
| 209 | ( event == Event_USER_MOB_DEFINE_COMPLETE ) ) |
| 210 | { |
| 211 | info = (ManObjectInfoPtr)event_data; |
| 212 | |
| 213 | sprintf( text, "Mob ID %d status %d", info->MOBId, info->status ); |
| 214 | puts(text); |
| 215 | check_exit(info->status); |
| 216 | } |
| 217 | else if ( event == Event_USER_MOB_GET_COMPLETE ) |
| 218 | { |
| 219 | info = (ManObjectInfoPtr)event_data; |
| 220 | |
| 221 | sprintf( text, "Mob ID %d status %d", info->MOBId, info->status ); |
| 222 | puts(text); |
| 223 | check_exit(info->status); |
| 224 | } |
| 225 | else if (event == Event_CONNECT) |
| 226 | { |
| 227 | sprintf(text, "Port %d connected",port ); |
| 228 | } |
| 229 | else if (event == Event_PREDEF_MOB_GET_COMPLETE) |
| 230 | { |
| 231 | info = (ManObjectInfoPtr)event_data; |
| 232 | |
| 233 | sprintf(text, "Mob ID %d status %d", info->MOBId, info->status ); |
| 234 | puts(text); |
| 235 | check_exit(info->status); |
| 236 | } |
| 237 | |
| 238 | return( 0 ); |
| 239 | } |
| 240 | |
| 241 | static int initialize_uniporte(struct mgcp_ss7 *mgcp) |
| 242 | { |
| 243 | ProfileT profile; |
| 244 | unsigned long mgw_address; |
| 245 | int rc; |
| 246 | |
| 247 | LOGP(DMGCP, LOGL_NOTICE, "Initializing MGW on %s\n", mgcp->cfg->bts_ip); |
| 248 | |
| 249 | MtnSaSetEthernetOnly(); |
| 250 | rc = MtnSaStartup(uniporte_events); |
| 251 | if (rc != 0) |
| 252 | LOGP(DMGCP, LOGL_ERROR, "Failed to startup the MGW.\n"); |
| 253 | SysEthGetHostAddress(mgcp->cfg->bts_ip, &mgw_address); |
| 254 | rc = MtnSaRegisterEthernetDevice(mgw_address, 0); |
| 255 | if (rc != 0) |
| 256 | LOGP(DMGCP, LOGL_ERROR, "Failed to register ethernet.\n"); |
| 257 | Force_Poll(2000); |
| 258 | MtnSaTakeOverDevice(0); |
| 259 | Force_Poll(2000); |
| 260 | MtnSaSetReceiveTraps(1); |
| 261 | MtnSaSetTransparent(); |
| 262 | |
| 263 | /* change the voice profile to AMR */ |
| 264 | MtnSaGetProfile(ProfileType_VOICE, 0, &profile); |
| 265 | profile.countryCode = CountryCode_INTERNAT_ALAW; |
| 266 | MtnSaSetProfile(ProfileType_VOICE, 0, &profile); |
| 267 | |
| 268 | if (MtnSaGetPortCount() == 0) |
| 269 | return -1; |
| 270 | |
| 271 | return 0; |
| 272 | } |
| 273 | |
| 274 | |
| 275 | static void* start_uniporte(void *_ss7) { |
| 276 | struct llist_head blocked; |
| 277 | struct mgcp_ss7_cmd *cmd, *tmp; |
| 278 | struct mgcp_ss7 *ss7 = _ss7; |
| 279 | |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 280 | if (initialize_uniporte(ss7) != 0) { |
| 281 | fprintf(stderr, "Failed to create Uniporte.\n"); |
| 282 | exit(-1); |
| 283 | return 0; |
| 284 | } |
| 285 | |
| 286 | fprintf(stderr, "Created the MGCP processing thread.\n"); |
| 287 | INIT_LLIST_HEAD(&blocked); |
| 288 | for (;;) { |
| 289 | thread_swap(ss7->cmd_queue); |
| 290 | start_over: |
| 291 | /* handle items that are currently blocked */ |
| 292 | llist_for_each_entry_safe(cmd, tmp, &blocked, entry) { |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 293 | if (cmd->endp->block_processing) |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 294 | continue; |
| 295 | |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 296 | mgcp_ss7_do_exec(ss7, cmd->type, cmd->endp, cmd->param); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 297 | llist_del(&cmd->entry); |
| 298 | free(cmd); |
| 299 | |
| 300 | /* We might have unblocked something, make sure we operate in order */ |
| 301 | MtnSaPoll(); |
| 302 | goto start_over; |
| 303 | } |
| 304 | |
| 305 | llist_for_each_entry_safe(cmd, tmp, ss7->cmd_queue->main_head, entry) { |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 306 | if (cmd->endp->block_processing) { |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 307 | llist_del(&cmd->entry); |
| 308 | llist_add_tail(&cmd->entry, &blocked); |
| 309 | continue; |
| 310 | } |
| 311 | |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 312 | mgcp_ss7_do_exec(ss7, cmd->type, cmd->endp, cmd->param); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 313 | llist_del(&cmd->entry); |
| 314 | free(cmd); |
| 315 | |
| 316 | /* We might have unblocked something, make sure we operate in order */ |
| 317 | MtnSaPoll(); |
| 318 | goto start_over; |
| 319 | } |
| 320 | |
| 321 | Force_Poll(20); |
| 322 | } |
| 323 | |
| 324 | return 0; |
| 325 | } |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 326 | |
| 327 | static void update_mute_status(int mgw_port, int conn_mode) |
| 328 | { |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 329 | if (conn_mode == MGCP_CONN_NONE) { |
| 330 | MtnSaSetManObject(mgw_port, ChannelType_PORT, ManObj_C_VOICE_UPSTREAM_MUTE, 1, 0); |
| 331 | MtnSaSetManObject(mgw_port, ChannelType_PORT, ManObj_C_VOICE_DOWNSTREAM_MUTE, 1, 0); |
| 332 | } else if (conn_mode == MGCP_CONN_RECV_ONLY) { |
| 333 | MtnSaSetManObject(mgw_port, ChannelType_PORT, ManObj_C_VOICE_UPSTREAM_MUTE, 1, 0); |
| 334 | MtnSaSetManObject(mgw_port, ChannelType_PORT, ManObj_C_VOICE_DOWNSTREAM_MUTE, 0, 0); |
| 335 | } else if (conn_mode == MGCP_CONN_SEND_ONLY) { |
| 336 | MtnSaSetManObject(mgw_port, ChannelType_PORT, ManObj_C_VOICE_UPSTREAM_MUTE, 0, 0); |
| 337 | MtnSaSetManObject(mgw_port, ChannelType_PORT, ManObj_C_VOICE_DOWNSTREAM_MUTE, 1, 0); |
| 338 | } else if (conn_mode == MGCP_CONN_RECV_SEND) { |
| 339 | MtnSaSetManObject(mgw_port, ChannelType_PORT, ManObj_C_VOICE_UPSTREAM_MUTE, 0, 0); |
| 340 | MtnSaSetManObject(mgw_port, ChannelType_PORT, ManObj_C_VOICE_DOWNSTREAM_MUTE, 0, 0); |
| 341 | } else { |
| 342 | LOGP(DMGCP, LOGL_ERROR, "Unhandled conn mode: %d\n", conn_mode); |
| 343 | } |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 344 | } |
| 345 | |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 346 | static void allocate_endp(struct mgcp_ss7 *ss7, struct mgcp_endpoint *endp) |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 347 | { |
Holger Hans Peter Freyther | 672f321 | 2011-03-01 13:52:57 +0100 | [diff] [blame] | 348 | int mgw_port; |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 349 | unsigned long mgw_address, loc_address; |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 350 | |
Holger Hans Peter Freyther | 672f321 | 2011-03-01 13:52:57 +0100 | [diff] [blame] | 351 | /* now find the voice processor we want to use */ |
| 352 | mgw_port = select_voice_port(endp); |
| 353 | if (mgw_port < 0) |
| 354 | return; |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 355 | |
| 356 | endp->audio_port = MtnSaAllocate(mgw_port); |
| 357 | if (endp->audio_port == UINT_MAX) { |
| 358 | fprintf(stderr, "Failed to allocate the port: %d\n", ENDPOINT_NUMBER(endp)); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 359 | return; |
| 360 | } |
| 361 | |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 362 | if (mgw_port != endp->audio_port) { |
| 363 | fprintf(stderr, "Oh... a lot of assumptions are now broken %d %d %s:%d\n", |
| 364 | mgw_port, endp->audio_port, __func__, __LINE__); |
| 365 | } |
| 366 | |
| 367 | s_endpoints[endp->audio_port] = endp; |
| 368 | |
Holger Hans Peter Freyther | 8fa8e58 | 2010-12-01 23:14:57 +0100 | [diff] [blame] | 369 | /* Gain settings, apply before switching the port to voice */ |
| 370 | MtnSaSetManObject(mgw_port, ChannelType_PORT, |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 371 | ManObj_C_VOICE_INPUT_DIGITAL_GAIN, endp->tcfg->digital_inp_gain, 0); |
Holger Hans Peter Freyther | 8fa8e58 | 2010-12-01 23:14:57 +0100 | [diff] [blame] | 372 | MtnSaSetManObject(mgw_port, ChannelType_PORT, |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 373 | ManObj_C_VOICE_OUTPUT_DIGITAL_GAIN, endp->tcfg->digital_out_gain, 0); |
Holger Hans Peter Freyther | 8fa8e58 | 2010-12-01 23:14:57 +0100 | [diff] [blame] | 374 | MtnSaSetManObject(mgw_port, ChannelType_PORT, |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 375 | ManObj_G_US_AGC_ENABLE, endp->tcfg->upstr_agc_enbl, 0); |
Holger Hans Peter Freyther | 8fa8e58 | 2010-12-01 23:14:57 +0100 | [diff] [blame] | 376 | MtnSaSetManObject(mgw_port, ChannelType_PORT, |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 377 | ManObj_G_DS_AGC_ENABLE, endp->tcfg->dwnstr_agc_enbl, 0); |
Holger Hans Peter Freyther | 8fa8e58 | 2010-12-01 23:14:57 +0100 | [diff] [blame] | 378 | MtnSaSetManObject(mgw_port, ChannelType_PORT, |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 379 | ManObj_G_US_ADAPTATION_RATE, endp->tcfg->upstr_adp_rate, 0); |
Holger Hans Peter Freyther | 8fa8e58 | 2010-12-01 23:14:57 +0100 | [diff] [blame] | 380 | MtnSaSetManObject(mgw_port, ChannelType_PORT, |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 381 | ManObj_G_DS_ADAPTATION_RATE, endp->tcfg->dwnstr_adp_rate, 0); |
Holger Hans Peter Freyther | 8fa8e58 | 2010-12-01 23:14:57 +0100 | [diff] [blame] | 382 | MtnSaSetManObject(mgw_port, ChannelType_PORT, |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 383 | ManObj_G_US_MAX_APPLIED_GAIN, endp->tcfg->upstr_max_gain, 0); |
Holger Hans Peter Freyther | 8fa8e58 | 2010-12-01 23:14:57 +0100 | [diff] [blame] | 384 | MtnSaSetManObject(mgw_port, ChannelType_PORT, |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 385 | ManObj_G_DS_MAX_APPLIED_GAIN, endp->tcfg->dwnstr_max_gain, 0); |
Holger Hans Peter Freyther | 8fa8e58 | 2010-12-01 23:14:57 +0100 | [diff] [blame] | 386 | MtnSaSetManObject(mgw_port, ChannelType_PORT, |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 387 | ManObj_C_US_TARGET_LEVEL, endp->tcfg->upstr_target_lvl, 0); |
Holger Hans Peter Freyther | 8fa8e58 | 2010-12-01 23:14:57 +0100 | [diff] [blame] | 388 | MtnSaSetManObject(mgw_port, ChannelType_PORT, |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 389 | ManObj_C_US_TARGET_LEVEL, endp->tcfg->dwnstr_target_lvl, 0); |
Holger Hans Peter Freyther | 8fa8e58 | 2010-12-01 23:14:57 +0100 | [diff] [blame] | 390 | |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 391 | /* Select AMR 5.9, Payload 98, no CRC, hardcoded */ |
| 392 | MtnSaApplyProfile(mgw_port, ProfileType_VOICE, 0); |
| 393 | MtnSaSetManObject(mgw_port, ChannelType_PORT, |
| 394 | ManObj_G_DATA_PATH, DataPathT_ETHERNET, 0 ); |
| 395 | MtnSaSetManObject(mgw_port, ChannelType_PORT, |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 396 | ManObj_C_VOICE_RTP_TELEPHONE_EVENT_PT_TX, |
| 397 | endp->tcfg->audio_payload, 0); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 398 | MtnSaSetManObject(mgw_port, ChannelType_PORT, |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 399 | ManObj_G_RTP_AMR_PAYLOAD_TYPE, |
| 400 | endp->tcfg->audio_payload, 0); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 401 | MtnSaSetManObject(mgw_port, ChannelType_PORT, |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 402 | ManObj_G_RTP_AMR_PAYLOAD_FORMAT, |
| 403 | RtpAmrPayloadFormat_OCTET_ALIGNED, 0); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 404 | MtnSaSetManObject(mgw_port, ChannelType_PORT, |
| 405 | ManObj_G_VOICE_ENCODING, Voice_Encoding_AMR_5_90, 0); |
Holger Hans Peter Freyther | d5918ff | 2010-08-06 16:03:27 +0000 | [diff] [blame] | 406 | MtnSaSetManObject(mgw_port, ChannelType_PORT, |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 407 | ManObj_C_VOICE_VAD_CNG, endp->tcfg->vad_enabled, 0); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 408 | |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 409 | update_mute_status(mgw_port, endp->conn_mode); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 410 | |
| 411 | /* set the addresses */ |
| 412 | SysEthGetHostAddress(ss7->cfg->bts_ip, &mgw_address); |
| 413 | SysEthGetHostAddress(ss7->cfg->local_ip, &loc_address); |
| 414 | MtnSaSetVoIpAddresses(mgw_port, |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 415 | mgw_address, endp->bts_end.local_port, |
| 416 | loc_address, endp->bts_end.local_port); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 417 | MtnSaConnect(mgw_port, mgw_port); |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 418 | endp->block_processing = 1; |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 419 | } |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 420 | |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 421 | static void mgcp_ss7_do_exec(struct mgcp_ss7 *mgcp, uint8_t type, |
| 422 | struct mgcp_endpoint *mgw_endp, uint32_t param) |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 423 | { |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 424 | int rc; |
| 425 | |
| 426 | switch (type) { |
| 427 | case MGCP_SS7_MUTE_STATUS: |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 428 | if (mgw_endp->audio_port != UINT_MAX) |
| 429 | update_mute_status(mgw_endp->audio_port, param); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 430 | break; |
| 431 | case MGCP_SS7_DELETE: |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 432 | if (mgw_endp->audio_port != UINT_MAX) { |
| 433 | rc = MtnSaDisconnect(mgw_endp->audio_port); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 434 | if (rc != 0) |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 435 | fprintf(stderr, "Failed to disconnect port: %u\n", mgw_endp->audio_port); |
| 436 | rc = MtnSaDeallocate(mgw_endp->audio_port); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 437 | if (rc != 0) |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 438 | fprintf(stderr, "Failed to deallocate port: %u\n", mgw_endp->audio_port); |
| 439 | |
| 440 | mgw_endp->audio_port = UINT_MAX; |
| 441 | mgw_endp->block_processing = 1; |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 442 | } |
| 443 | break; |
| 444 | case MGCP_SS7_ALLOCATE: |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 445 | allocate_endp(mgcp, mgw_endp); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 446 | break; |
| 447 | } |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 448 | } |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 449 | #endif |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 450 | |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 451 | void mgcp_ss7_exec(struct mgcp_endpoint *endp, int type, uint32_t param) |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 452 | { |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 453 | struct mgcp_ss7 *mgcp; |
| 454 | |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 455 | struct mgcp_ss7_cmd *cmd = malloc(sizeof(*cmd)); |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 456 | if (!cmd) { |
| 457 | LOGP(DMGCP, LOGL_ERROR, "Failed to send a command.\n"); |
| 458 | return; |
| 459 | } |
| 460 | |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 461 | memset(cmd, 0, sizeof(*cmd)); |
| 462 | cmd->type = type; |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 463 | cmd->endp = endp; |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 464 | cmd->param = param; |
| 465 | |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 466 | mgcp = endp->tcfg->cfg->data; |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 467 | thread_safe_add(mgcp->cmd_queue, &cmd->entry); |
| 468 | } |
| 469 | |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 470 | static int ss7_allocate_endpoint(struct mgcp_ss7 *ss7, struct mgcp_endpoint *mg_endp) |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 471 | { |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 472 | mg_endp->bts_end.rtp_port = htons(mg_endp->bts_end.local_port); |
| 473 | mg_endp->bts_end.rtcp_port = htons(mg_endp->bts_end.local_port + 1); |
| 474 | mg_endp->bts_end.addr = ss7->cfg->bts_in; |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 475 | |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 476 | mgcp_ss7_exec(mg_endp, MGCP_SS7_ALLOCATE, 0); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 477 | return MGCP_POLICY_CONT; |
| 478 | } |
| 479 | |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 480 | static int ss7_modify_endpoint(struct mgcp_ss7 *ss7, struct mgcp_endpoint *mg_endp) |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 481 | { |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 482 | mgcp_ss7_exec(mg_endp, MGCP_SS7_MUTE_STATUS, mg_endp->conn_mode); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 483 | |
| 484 | /* |
Holger Hans Peter Freyther | e3abeb1 | 2010-10-18 19:36:50 +0200 | [diff] [blame] | 485 | * Just assume that we have the data now. |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 486 | */ |
Holger Hans Peter Freyther | e3abeb1 | 2010-10-18 19:36:50 +0200 | [diff] [blame] | 487 | mgcp_send_dummy(mg_endp); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 488 | |
| 489 | /* update the remote end */ |
| 490 | return MGCP_POLICY_CONT; |
| 491 | } |
| 492 | |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 493 | static int ss7_delete_endpoint(struct mgcp_ss7 *ss7, struct mgcp_endpoint *endp) |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 494 | { |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 495 | mgcp_ss7_endp_free(endp); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 496 | return MGCP_POLICY_CONT; |
| 497 | } |
| 498 | |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 499 | static int mgcp_ss7_policy(struct mgcp_trunk_config *tcfg, int endp_no, int state, const char *trans) |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 500 | { |
| 501 | int rc; |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 502 | int multiplex, timeslot; |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 503 | struct mgcp_ss7 *ss7; |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 504 | struct mgcp_endpoint *endp; |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 505 | |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 506 | mgcp_endpoint_to_timeslot(endp_no, &multiplex, ×lot); |
| 507 | |
| 508 | /* these endpoints are blocked */ |
| 509 | if (timeslot == 0 || timeslot >= 0x1F) { |
| 510 | LOGP(DMGCP, LOGL_NOTICE, "Rejecting non voice timeslots %d\n", timeslot); |
| 511 | return MGCP_POLICY_REJECT; |
| 512 | } |
| 513 | |
| 514 | endp = &tcfg->endpoints[endp_no]; |
| 515 | ss7 = (struct mgcp_ss7 *) tcfg->cfg->data; |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 516 | |
| 517 | /* TODO: Make it async and wait for the port to be connected */ |
| 518 | rc = MGCP_POLICY_REJECT; |
| 519 | switch (state) { |
| 520 | case MGCP_ENDP_CRCX: |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 521 | rc = ss7_allocate_endpoint(ss7, endp); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 522 | break; |
| 523 | case MGCP_ENDP_MDCX: |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 524 | rc = ss7_modify_endpoint(ss7, endp); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 525 | break; |
| 526 | case MGCP_ENDP_DLCX: |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 527 | rc = ss7_delete_endpoint(ss7, endp); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 528 | break; |
| 529 | } |
| 530 | |
| 531 | return rc; |
| 532 | } |
| 533 | |
| 534 | static void enqueue_msg(struct write_queue *queue, struct sockaddr_in *addr, struct msgb *msg) |
| 535 | { |
| 536 | struct sockaddr_in *data; |
| 537 | |
| 538 | data = (struct sockaddr_in *) msgb_push(msg, sizeof(*data)); |
| 539 | *data = *addr; |
| 540 | if (write_queue_enqueue(queue, msg) != 0) { |
| 541 | LOGP(DMGCP, LOGL_ERROR, "Failed to queue the message.\n"); |
| 542 | msgb_free(msg); |
| 543 | } |
| 544 | } |
| 545 | |
| 546 | static int write_call_agent(struct bsc_fd *bfd, struct msgb *msg) |
| 547 | { |
| 548 | int rc; |
| 549 | struct sockaddr_in *addr; |
| 550 | |
| 551 | addr = (struct sockaddr_in *) msg->data; |
| 552 | rc = sendto(bfd->fd, msg->l2h, msgb_l2len(msg), 0, |
| 553 | (struct sockaddr *) addr, sizeof(*addr)); |
| 554 | |
| 555 | if (rc != msgb_l2len(msg)) |
| 556 | LOGP(DMGCP, LOGL_ERROR, "Failed to write MGCP message: rc: %d errno: %d\n", rc, errno); |
| 557 | |
| 558 | return rc; |
| 559 | } |
| 560 | |
| 561 | |
| 562 | static int read_call_agent(struct bsc_fd *fd) |
| 563 | { |
| 564 | struct sockaddr_in addr; |
| 565 | socklen_t slen = sizeof(addr); |
| 566 | struct msgb *resp; |
| 567 | struct mgcp_ss7 *cfg; |
| 568 | struct write_queue *queue; |
| 569 | |
| 570 | cfg = (struct mgcp_ss7 *) fd->data; |
| 571 | queue = container_of(fd, struct write_queue, bfd); |
| 572 | |
| 573 | /* read one less so we can use it as a \0 */ |
| 574 | int rc = recvfrom(fd->fd, cfg->mgcp_msg->data, cfg->mgcp_msg->data_len - 1, 0, |
| 575 | (struct sockaddr *) &addr, &slen); |
| 576 | |
| 577 | if (rc < 0) { |
| 578 | perror("Gateway failed to read"); |
| 579 | return -1; |
| 580 | } else if (slen > sizeof(addr)) { |
| 581 | fprintf(stderr, "Gateway received message from outerspace: %d %d\n", |
| 582 | slen, sizeof(addr)); |
| 583 | return -1; |
| 584 | } |
| 585 | |
| 586 | /* handle message now */ |
| 587 | cfg->mgcp_msg->l2h = msgb_put(cfg->mgcp_msg, rc); |
| 588 | resp = mgcp_handle_message(cfg->cfg, cfg->mgcp_msg); |
| 589 | msgb_reset(cfg->mgcp_msg); |
| 590 | |
| 591 | if (resp) |
| 592 | enqueue_msg(queue, &addr, resp); |
| 593 | return 0; |
| 594 | } |
| 595 | |
| 596 | static int create_socket(struct mgcp_ss7 *cfg) |
| 597 | { |
| 598 | int on; |
| 599 | struct sockaddr_in addr; |
| 600 | struct bsc_fd *bfd; |
| 601 | |
| 602 | bfd = &cfg->mgcp_fd.bfd; |
| 603 | |
| 604 | cfg->mgcp_fd.read_cb = read_call_agent; |
| 605 | cfg->mgcp_fd.write_cb = write_call_agent; |
| 606 | bfd->when = BSC_FD_READ; |
| 607 | bfd->fd = socket(AF_INET, SOCK_DGRAM, 0); |
| 608 | if (bfd->fd < 0) { |
| 609 | perror("Gateway failed to listen"); |
| 610 | return -1; |
| 611 | } |
| 612 | |
| 613 | on = 1; |
| 614 | setsockopt(bfd->fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)); |
| 615 | |
| 616 | memset(&addr, 0, sizeof(addr)); |
| 617 | addr.sin_family = AF_INET; |
| 618 | addr.sin_port = htons(cfg->cfg->source_port); |
| 619 | addr.sin_addr.s_addr = INADDR_ANY; |
| 620 | |
| 621 | if (bind(bfd->fd, (struct sockaddr *) &addr, sizeof(addr)) < 0) { |
| 622 | perror("Gateway failed to bind"); |
| 623 | close(bfd->fd); |
| 624 | return -1; |
| 625 | } |
| 626 | |
| 627 | bfd->data = cfg; |
| 628 | cfg->mgcp_msg = msgb_alloc(4096, "mgcp-msg"); |
| 629 | if (!cfg->mgcp_msg) { |
| 630 | fprintf(stderr, "Gateway memory error.\n"); |
| 631 | close(bfd->fd); |
| 632 | return -1; |
| 633 | } |
| 634 | talloc_steal(cfg, cfg->mgcp_msg); |
| 635 | |
| 636 | |
| 637 | if (bsc_register_fd(bfd) != 0) { |
| 638 | DEBUGP(DMGCP, "Failed to register the fd\n"); |
| 639 | close(bfd->fd); |
| 640 | return -1; |
| 641 | } |
| 642 | |
| 643 | return 0; |
| 644 | } |
| 645 | |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 646 | static void mgcp_ss7_endp_free(struct mgcp_endpoint *endp) |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 647 | { |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 648 | mgcp_ss7_exec(endp, MGCP_SS7_DELETE, 0); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 649 | } |
| 650 | |
| 651 | static int reset_cb(struct mgcp_config *cfg) |
| 652 | { |
| 653 | mgcp_ss7_reset((struct mgcp_ss7 *) cfg->data); |
| 654 | return 0; |
| 655 | } |
| 656 | |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 657 | static int realloc_cb(struct mgcp_trunk_config *tcfg, int endp_no) |
Holger Hans Peter Freyther | 95cac74 | 2010-09-18 03:16:52 +0800 | [diff] [blame] | 658 | { |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 659 | struct mgcp_endpoint *endp = &tcfg->endpoints[endp_no]; |
| 660 | mgcp_ss7_endp_free(endp); |
Holger Hans Peter Freyther | 95cac74 | 2010-09-18 03:16:52 +0800 | [diff] [blame] | 661 | return 0; |
| 662 | } |
| 663 | |
Holger Hans Peter Freyther | f9e9977 | 2010-08-04 07:10:55 +0800 | [diff] [blame] | 664 | static struct mgcp_ss7 *mgcp_ss7_init(struct mgcp_config *cfg) |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 665 | { |
Holger Hans Peter Freyther | d384912 | 2011-03-01 14:38:47 +0100 | [diff] [blame^] | 666 | struct mgcp_trunk_config *trunk; |
| 667 | int dsp_resource, i; |
| 668 | |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 669 | struct mgcp_ss7 *conf = talloc_zero(NULL, struct mgcp_ss7); |
| 670 | if (!conf) |
| 671 | return NULL; |
| 672 | |
| 673 | write_queue_init(&conf->mgcp_fd, 30); |
Holger Hans Peter Freyther | f9e9977 | 2010-08-04 07:10:55 +0800 | [diff] [blame] | 674 | conf->cfg = cfg; |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 675 | |
| 676 | /* take over the ownership */ |
| 677 | talloc_steal(conf, conf->cfg); |
Holger Hans Peter Freyther | f9e9977 | 2010-08-04 07:10:55 +0800 | [diff] [blame] | 678 | |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 679 | conf->cfg->policy_cb = mgcp_ss7_policy; |
| 680 | conf->cfg->reset_cb = reset_cb; |
Holger Hans Peter Freyther | 95cac74 | 2010-09-18 03:16:52 +0800 | [diff] [blame] | 681 | conf->cfg->realloc_cb = realloc_cb; |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 682 | conf->cfg->data = conf; |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 683 | |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 684 | if (create_socket(conf) != 0) { |
| 685 | LOGP(DMGCP, LOGL_ERROR, "Failed to create socket.\n"); |
| 686 | talloc_free(conf); |
| 687 | return NULL; |
| 688 | } |
| 689 | |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 690 | /* Now do the init of the trunks */ |
Holger Hans Peter Freyther | d384912 | 2011-03-01 14:38:47 +0100 | [diff] [blame^] | 691 | dsp_resource = 0; |
| 692 | for (i = 1; i < cfg->trunk.number_endpoints; ++i) { |
| 693 | int multiplex, timeslot; |
| 694 | mgcp_endpoint_to_timeslot(i, &multiplex, ×lot); |
| 695 | if (timeslot == 0x0 || timeslot == 0x1F) |
| 696 | continue; |
| 697 | |
| 698 | dsp_resource += 1; |
| 699 | } |
| 700 | |
| 701 | llist_for_each_entry(trunk, &cfg->trunks, entry) { |
| 702 | trunk->voice_base = dsp_resource; |
| 703 | |
| 704 | for (i = 1; i < trunk->number_endpoints; ++i) { |
| 705 | int multiplex, timeslot; |
| 706 | mgcp_endpoint_to_timeslot(i, &multiplex, ×lot); |
| 707 | if (timeslot == 0x0 || timeslot == 0x1F) |
| 708 | continue; |
| 709 | |
| 710 | dsp_resource += 1; |
| 711 | } |
| 712 | } |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 713 | |
| 714 | conf->cmd_queue = thread_notifier_alloc(); |
| 715 | if (!conf->cmd_queue) { |
| 716 | LOGP(DMGCP, LOGL_ERROR, "Failed to allocate the command queue.\n"); |
| 717 | talloc_free(conf); |
| 718 | return NULL; |
| 719 | } |
| 720 | |
| 721 | #ifndef NO_UNIPORTE |
| 722 | conf->cmd_queue->no_write = 1; |
| 723 | pthread_create(&conf->thread, NULL, start_uniporte, conf); |
| 724 | #endif |
| 725 | |
| 726 | return conf; |
| 727 | } |
| 728 | |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 729 | static void free_trunk(struct mgcp_trunk_config *trunk) |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 730 | { |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 731 | int i; |
| 732 | for (i = 1; i < trunk->number_endpoints; ++i) { |
| 733 | struct mgcp_endpoint *endp = &trunk->endpoints[i]; |
| 734 | mgcp_ss7_endp_free(endp); |
| 735 | mgcp_free_endp(endp); |
| 736 | } |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 737 | } |
| 738 | |
| 739 | void mgcp_ss7_reset(struct mgcp_ss7 *mgcp) |
| 740 | { |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 741 | struct mgcp_trunk_config *trunk; |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 742 | |
| 743 | if (!mgcp) |
| 744 | return; |
| 745 | |
| 746 | LOGP(DMGCP, LOGL_INFO, "Resetting all endpoints.\n"); |
| 747 | |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 748 | /* free UniPorte and MGCP data */ |
| 749 | free_trunk(&mgcp->cfg->trunk); |
| 750 | |
| 751 | llist_for_each_entry(trunk, &mgcp->cfg->trunks, entry) |
| 752 | free_trunk(trunk); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 753 | } |
| 754 | |
| 755 | static void print_help() |
| 756 | { |
| 757 | printf(" Some useful help...\n"); |
| 758 | printf(" -h This help text.\n"); |
| 759 | printf(" -c --config=CFG. The configuration file.\n"); |
| 760 | printf(" -e --exit-on-failure. Exit the app on MGW failure.\n"); |
| 761 | } |
| 762 | |
| 763 | static void print_usage() |
| 764 | { |
| 765 | printf("Usage: mgcp_mgw\n"); |
| 766 | } |
| 767 | |
| 768 | |
| 769 | static void handle_options(int argc, char **argv) |
| 770 | { |
| 771 | while (1) { |
| 772 | int option_index = 0, c; |
| 773 | static struct option long_options[] = { |
| 774 | {"help", 0, 0, 'h'}, |
| 775 | {"config", 1, 0, 'c'}, |
| 776 | {"exit", 0, 0, 'e'}, |
| 777 | {0, 0, 0, 0}, |
| 778 | }; |
| 779 | |
| 780 | c = getopt_long(argc, argv, "hc:e", |
| 781 | long_options, &option_index); |
| 782 | if (c == -1) |
| 783 | break; |
| 784 | |
| 785 | switch (c) { |
| 786 | case 'h': |
| 787 | print_usage(); |
| 788 | print_help(); |
| 789 | exit(0); |
| 790 | case 'c': |
| 791 | config_file = optarg; |
| 792 | break; |
| 793 | case 'e': |
| 794 | exit_on_failure = 1; |
| 795 | break; |
| 796 | default: |
| 797 | fprintf(stderr, "Unknown option.\n"); |
| 798 | break; |
| 799 | } |
| 800 | } |
| 801 | } |
| 802 | |
| 803 | |
| 804 | int main(int argc, char **argv) |
| 805 | { |
| 806 | struct mgcp_ss7 *mgcp; |
Holger Hans Peter Freyther | cc1a938 | 2010-08-04 06:24:04 +0800 | [diff] [blame] | 807 | int rc; |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 808 | |
Holger Hans Peter Freyther | cbf7d18 | 2010-07-31 05:25:35 +0800 | [diff] [blame] | 809 | log_init(&log_info); |
| 810 | stderr_target = log_target_create_stderr(); |
| 811 | log_add_target(stderr_target); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 812 | |
| 813 | /* enable filters */ |
Holger Hans Peter Freyther | cbf7d18 | 2010-07-31 05:25:35 +0800 | [diff] [blame] | 814 | log_set_all_filter(stderr_target, 1); |
| 815 | log_set_category_filter(stderr_target, DINP, 1, LOGL_INFO); |
| 816 | log_set_category_filter(stderr_target, DSCCP, 1, LOGL_INFO); |
| 817 | log_set_category_filter(stderr_target, DMSC, 1, LOGL_INFO); |
| 818 | log_set_category_filter(stderr_target, DMGCP, 1, LOGL_INFO); |
| 819 | log_set_print_timestamp(stderr_target, 1); |
| 820 | log_set_use_color(stderr_target, 0); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 821 | |
| 822 | handle_options(argc, argv); |
| 823 | |
| 824 | signal(SIGPIPE, SIG_IGN); |
| 825 | |
| 826 | mgcp_mgw_vty_init(); |
Holger Hans Peter Freyther | f41617b | 2010-08-04 07:08:33 +0800 | [diff] [blame] | 827 | |
Holger Hans Peter Freyther | 757f174 | 2010-09-17 22:03:08 +0800 | [diff] [blame] | 828 | g_cfg = mgcp_config_alloc(); |
| 829 | if (!g_cfg) { |
Holger Hans Peter Freyther | f41617b | 2010-08-04 07:08:33 +0800 | [diff] [blame] | 830 | LOGP(DMGCP, LOGL_ERROR, "Failed to allocate mgcp config.\n"); |
| 831 | return -1; |
| 832 | } |
| 833 | |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 834 | if (mgcp_parse_config(config_file, g_cfg) != 0) { |
| 835 | LOGP(DMGCP, LOGL_ERROR, |
| 836 | "Failed to parse the config file: '%s'\n", config_file); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 837 | return -1; |
| 838 | } |
| 839 | |
Holger Hans Peter Freyther | cc1a938 | 2010-08-04 06:24:04 +0800 | [diff] [blame] | 840 | rc = telnet_init(NULL, NULL, 4243); |
| 841 | if (rc < 0) |
| 842 | return rc; |
| 843 | |
Holger Hans Peter Freyther | dcc3312 | 2011-03-01 01:24:10 +0100 | [diff] [blame] | 844 | printf("Creating MGCP MGW ip: %s mgw: %s\n", |
| 845 | g_cfg->local_ip, g_cfg->bts_ip); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 846 | |
Holger Hans Peter Freyther | 757f174 | 2010-09-17 22:03:08 +0800 | [diff] [blame] | 847 | mgcp = mgcp_ss7_init(g_cfg); |
Holger Hans Peter Freyther | 97f66e2 | 2010-07-28 03:32:52 +0800 | [diff] [blame] | 848 | if (!mgcp) { |
| 849 | fprintf(stderr, "Failed to create MGCP\n"); |
| 850 | exit(-1); |
| 851 | } |
| 852 | while (1) { |
| 853 | bsc_select_main(0); |
| 854 | } |
| 855 | return 0; |
| 856 | } |
| 857 | |