3 Copyright (C) 2012 Belledonne Communications SARL
5 This program is free software; you can redistribute it and/or
6 modify it under the terms of the GNU General Public License
7 as published by the Free Software Foundation; either version 2
8 of the License, or (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 #define UPNP_ADD_MAX_RETRY 4
25 #define UPNP_REMOVE_MAX_RETRY 4
26 #define UPNP_SECTION_NAME "uPnP"
32 typedef struct _UpnpPortBinding {
34 LinphoneUpnpState state;
35 upnp_igd_ip_protocol protocol;
36 char local_addr[LINPHONE_IPADDR_SIZE];
38 char external_addr[LINPHONE_IPADDR_SIZE];
46 typedef struct _UpnpStream {
48 UpnpPortBinding *rtcp;
49 LinphoneUpnpState state;
56 LinphoneUpnpState state;
61 upnp_igd_context *upnp_igd_ctxt;
62 UpnpPortBinding *sip_tcp;
63 UpnpPortBinding *sip_tls;
64 UpnpPortBinding *sip_udp;
65 LinphoneUpnpState state;
66 MSList *removing_configs;
67 MSList *adding_configs;
68 MSList *pending_bindings;
76 bool_t linphone_core_upnp_hook(void *data);
77 void linphone_core_upnp_refresh(UpnpContext *ctx);
79 UpnpPortBinding *linphone_upnp_port_binding_new();
80 UpnpPortBinding *linphone_upnp_port_binding_copy(const UpnpPortBinding *port);
81 bool_t linphone_upnp_port_binding_equal(const UpnpPortBinding *port1, const UpnpPortBinding *port2);
82 UpnpPortBinding *linphone_upnp_port_binding_equivalent_in_list(MSList *list, const UpnpPortBinding *port);
83 UpnpPortBinding *linphone_upnp_port_binding_retain(UpnpPortBinding *port);
84 void linphone_upnp_port_binding_log(int level, const char *msg, const UpnpPortBinding *port);
85 void linphone_upnp_port_binding_release(UpnpPortBinding *port);
87 MSList *linphone_upnp_config_list_port_bindings(struct _LpConfig *lpc);
88 void linphone_upnp_config_add_port_binding(UpnpContext *lupnp, const UpnpPortBinding *port);
89 void linphone_upnp_config_remove_port_binding(UpnpContext *lupnp, const UpnpPortBinding *port);
91 int linphone_upnp_context_send_remove_port_binding(UpnpContext *lupnp, UpnpPortBinding *port);
92 int linphone_upnp_context_send_add_port_binding(UpnpContext *lupnp, UpnpPortBinding *port);
99 /* Convert uPnP IGD logs to ortp logs */
100 void linphone_upnp_igd_print(void *cookie, upnp_igd_print_level level, const char *fmt, va_list list) {
101 int ortp_level = ORTP_DEBUG;
103 case UPNP_IGD_MESSAGE:
104 ortp_level = ORTP_MESSAGE;
106 case UPNP_IGD_WARNING:
107 ortp_level = ORTP_DEBUG; // Too verbose otherwise
110 ortp_level = ORTP_DEBUG; // Too verbose otherwise
115 ortp_logv(ortp_level, fmt, list);
118 void linphone_upnp_igd_callback(void *cookie, upnp_igd_event event, void *arg) {
119 UpnpContext *lupnp = (UpnpContext *)cookie;
120 upnp_igd_port_mapping *mapping = NULL;
121 UpnpPortBinding *port_mapping = NULL;
122 const char *ip_address = NULL;
123 const char *connection_status = NULL;
124 bool_t nat_enabled = FALSE;
125 LinphoneUpnpState old_state;
127 if(lupnp == NULL || lupnp->upnp_igd_ctxt == NULL) {
128 ms_error("uPnP IGD: Invalid context in callback");
132 ms_mutex_lock(&lupnp->mutex);
133 old_state = lupnp->state;
136 case UPNP_IGD_EXTERNAL_IPADDRESS_CHANGED:
137 case UPNP_IGD_NAT_ENABLED_CHANGED:
138 case UPNP_IGD_CONNECTION_STATUS_CHANGED:
139 ip_address = upnp_igd_get_external_ipaddress(lupnp->upnp_igd_ctxt);
140 connection_status = upnp_igd_get_connection_status(lupnp->upnp_igd_ctxt);
141 nat_enabled = upnp_igd_get_nat_enabled(lupnp->upnp_igd_ctxt);
143 if(ip_address == NULL || connection_status == NULL) {
144 ms_message("uPnP IGD: Pending");
145 lupnp->state = LinphoneUpnpStatePending;
146 } else if(strcasecmp(connection_status, "Connected") || !nat_enabled) {
147 ms_message("uPnP IGD: Not Available");
148 lupnp->state = LinphoneUpnpStateNotAvailable;
150 ms_message("uPnP IGD: Connected");
151 lupnp->state = LinphoneUpnpStateOk;
152 if(old_state != LinphoneUpnpStateOk) {
153 linphone_core_upnp_refresh(lupnp);
159 case UPNP_IGD_PORT_MAPPING_ADD_SUCCESS:
160 mapping = (upnp_igd_port_mapping *) arg;
161 port_mapping = (UpnpPortBinding*) mapping->cookie;
162 port_mapping->external_port = mapping->remote_port;
163 port_mapping->state = LinphoneUpnpStateOk;
164 linphone_upnp_port_binding_log(ORTP_MESSAGE, "Added port binding", port_mapping);
165 linphone_upnp_config_add_port_binding(lupnp, port_mapping);
169 case UPNP_IGD_PORT_MAPPING_ADD_FAILURE:
170 mapping = (upnp_igd_port_mapping *) arg;
171 port_mapping = (UpnpPortBinding*) mapping->cookie;
172 port_mapping->external_port = -1; //Force random external port
173 if(linphone_upnp_context_send_add_port_binding(lupnp, port_mapping) != 0) {
174 linphone_upnp_port_binding_log(ORTP_ERROR, "Can't add port binding", port_mapping);
179 case UPNP_IGD_PORT_MAPPING_REMOVE_SUCCESS:
180 mapping = (upnp_igd_port_mapping *) arg;
181 port_mapping = (UpnpPortBinding*) mapping->cookie;
182 port_mapping->state = LinphoneUpnpStateIdle;
183 linphone_upnp_port_binding_log(ORTP_MESSAGE, "Removed port binding", port_mapping);
184 linphone_upnp_config_remove_port_binding(lupnp, port_mapping);
188 case UPNP_IGD_PORT_MAPPING_REMOVE_FAILURE:
189 mapping = (upnp_igd_port_mapping *) arg;
190 port_mapping = (UpnpPortBinding*) mapping->cookie;
191 if(linphone_upnp_context_send_remove_port_binding(lupnp, port_mapping) != 0) {
192 linphone_upnp_port_binding_log(ORTP_ERROR, "Can't remove port binding", port_mapping);
193 linphone_upnp_config_remove_port_binding(lupnp, port_mapping);
202 if(port_mapping != NULL) {
204 * Execute delayed actions
206 if(port_mapping->to_remove) {
207 if(port_mapping->state == LinphoneUpnpStateOk) {
208 port_mapping->to_remove = FALSE;
209 linphone_upnp_context_send_remove_port_binding(lupnp, port_mapping);
210 } else if(port_mapping->state == LinphoneUpnpStateKo) {
211 port_mapping->to_remove = FALSE;
214 if(port_mapping->to_add) {
215 if(port_mapping->state == LinphoneUpnpStateIdle || port_mapping->state == LinphoneUpnpStateKo) {
216 port_mapping->to_add = FALSE;
217 linphone_upnp_context_send_add_port_binding(lupnp, port_mapping);
221 lupnp->pending_bindings = ms_list_remove(lupnp->pending_bindings, port_mapping);
222 linphone_upnp_port_binding_release(port_mapping);
226 * If there is no pending binding emit a signal
228 if(lupnp->pending_bindings == NULL) {
229 pthread_cond_signal(&lupnp->empty_cond);
231 ms_mutex_unlock(&lupnp->mutex);
239 UpnpContext* linphone_upnp_context_new(LinphoneCore *lc) {
240 LCSipTransports transport;
241 UpnpContext *lupnp = (UpnpContext *)ms_new0(UpnpContext,1);
242 const char *ip_address;
244 ms_mutex_init(&lupnp->mutex, NULL);
245 ms_cond_init(&lupnp->empty_cond, NULL);
248 lupnp->pending_bindings = NULL;
249 lupnp->adding_configs = NULL;
250 lupnp->removing_configs = NULL;
251 lupnp->state = LinphoneUpnpStateIdle;
252 ms_message("uPnP IGD: New %p for core %p", lupnp, lc);
254 linphone_core_get_sip_transports(lc, &transport);
255 if(transport.udp_port != 0) {
256 lupnp->sip_udp = linphone_upnp_port_binding_new();
257 lupnp->sip_udp->protocol = UPNP_IGD_IP_PROTOCOL_UDP;
258 lupnp->sip_udp->local_port = transport.udp_port;
259 lupnp->sip_udp->external_port = transport.udp_port;
261 lupnp->sip_udp = NULL;
263 if(transport.tcp_port != 0) {
264 lupnp->sip_tcp = linphone_upnp_port_binding_new();
265 lupnp->sip_tcp->protocol = UPNP_IGD_IP_PROTOCOL_TCP;
266 lupnp->sip_tcp->local_port = transport.tcp_port;
267 lupnp->sip_tcp->external_port = transport.tcp_port;
269 lupnp->sip_tcp = NULL;
271 if(transport.tls_port != 0) {
272 lupnp->sip_tls = linphone_upnp_port_binding_new();
273 lupnp->sip_tls->protocol = UPNP_IGD_IP_PROTOCOL_TCP;
274 lupnp->sip_tls->local_port = transport.tls_port;
275 lupnp->sip_tls->external_port = transport.tls_port;
277 lupnp->sip_tls = NULL;
280 linphone_core_add_iterate_hook(lc, linphone_core_upnp_hook, lupnp);
282 lupnp->upnp_igd_ctxt = NULL;
283 lupnp->upnp_igd_ctxt = upnp_igd_create(linphone_upnp_igd_callback, linphone_upnp_igd_print, lupnp);
284 if(lupnp->upnp_igd_ctxt == NULL) {
285 lupnp->state = LinphoneUpnpStateKo;
286 ms_error("Can't create uPnP IGD context");
290 ip_address = upnp_igd_get_local_ipaddress(lupnp->upnp_igd_ctxt);
291 if(lupnp->sip_udp != NULL) {
292 strncpy(lupnp->sip_udp->local_addr, ip_address, sizeof(lupnp->sip_udp->local_addr));
294 if(lupnp->sip_tcp != NULL) {
295 strncpy(lupnp->sip_tcp->local_addr, ip_address, sizeof(lupnp->sip_tcp->local_addr));
297 if(lupnp->sip_tls != NULL) {
298 strncpy(lupnp->sip_tls->local_addr, ip_address, sizeof(lupnp->sip_tls->local_addr));
301 lupnp->state = LinphoneUpnpStatePending;
302 upnp_igd_start(lupnp->upnp_igd_ctxt);
307 void linphone_upnp_context_destroy(UpnpContext *lupnp) {
309 * Not need, all hooks are removed before
310 * linphone_core_remove_iterate_hook(lc, linphone_core_upnp_hook, lc);
313 /* Send port binding removes */
314 if(lupnp->sip_udp != NULL) {
315 linphone_upnp_context_send_remove_port_binding(lupnp, lupnp->sip_udp);
316 lupnp->sip_udp = NULL;
318 if(lupnp->sip_tcp != NULL) {
319 linphone_upnp_context_send_remove_port_binding(lupnp, lupnp->sip_tcp);
320 lupnp->sip_tcp = NULL;
322 if(lupnp->sip_tls != NULL) {
323 linphone_upnp_context_send_remove_port_binding(lupnp, lupnp->sip_tls);
324 lupnp->sip_tcp = NULL;
327 /* Wait all pending bindings are done */
328 ms_message("uPnP IGD: Wait all pending port bindings ...");
329 ms_mutex_lock(&lupnp->mutex);
330 ms_cond_wait(&lupnp->empty_cond, &lupnp->mutex);
331 ms_mutex_unlock(&lupnp->mutex);
333 if(lupnp->upnp_igd_ctxt != NULL) {
334 upnp_igd_destroy(lupnp->upnp_igd_ctxt);
337 /* Run one time the hook for configuration update */
338 linphone_core_upnp_hook(lupnp);
340 /* Release port bindings */
341 if(lupnp->sip_udp != NULL) {
342 linphone_upnp_port_binding_release(lupnp->sip_udp);
343 lupnp->sip_udp = NULL;
345 if(lupnp->sip_tcp != NULL) {
346 linphone_upnp_port_binding_release(lupnp->sip_tcp);
347 lupnp->sip_tcp = NULL;
349 if(lupnp->sip_tls != NULL) {
350 linphone_upnp_port_binding_release(lupnp->sip_tls);
351 lupnp->sip_tcp = NULL;
355 ms_list_for_each(lupnp->adding_configs,(void (*)(void*))linphone_upnp_port_binding_release);
356 lupnp->adding_configs = ms_list_free(lupnp->adding_configs);
357 ms_list_for_each(lupnp->removing_configs,(void (*)(void*))linphone_upnp_port_binding_release);
358 lupnp->removing_configs = ms_list_free(lupnp->removing_configs);
359 ms_list_for_each(lupnp->pending_bindings,(void (*)(void*))linphone_upnp_port_binding_release);
360 lupnp->pending_bindings = ms_list_free(lupnp->pending_bindings);
362 ms_mutex_destroy(&lupnp->mutex);
363 ms_cond_destroy(&lupnp->empty_cond);
365 ms_message("uPnP IGD: destroy %p", lupnp);
369 LinphoneUpnpState linphone_upnp_context_get_state(UpnpContext *ctx) {
373 const char* linphone_upnp_context_get_external_ipaddress(UpnpContext *ctx) {
374 return upnp_igd_get_external_ipaddress(ctx->upnp_igd_ctxt);
377 int linphone_upnp_context_send_add_port_binding(UpnpContext *lupnp, UpnpPortBinding *port) {
378 upnp_igd_port_mapping mapping;
379 char description[128];
382 // Compute port binding state
383 if(port->state != LinphoneUpnpStateAdding) {
384 port->to_remove = FALSE;
385 switch(port->state) {
386 case LinphoneUpnpStateKo:
387 case LinphoneUpnpStateIdle: {
389 port->state = LinphoneUpnpStateAdding;
392 case LinphoneUpnpStateRemoving: {
402 if(port->retry >= UPNP_ADD_MAX_RETRY) {
405 mapping.cookie = linphone_upnp_port_binding_retain(port);
406 lupnp->pending_bindings = ms_list_append(lupnp->pending_bindings, mapping.cookie);
408 mapping.local_port = port->local_port;
409 mapping.local_host = port->local_addr;
410 if(port->external_port == -1)
411 mapping.remote_port = rand()%(0xffff - 1024) + 1024;
413 mapping.remote_port = port->external_port;
414 mapping.remote_host = "";
415 snprintf(description, 128, "%s %s at %s:%d",
417 (port->protocol == UPNP_IGD_IP_PROTOCOL_TCP)? "TCP": "UDP",
418 port->local_addr, port->local_port);
419 mapping.description = description;
420 mapping.protocol = port->protocol;
423 linphone_upnp_port_binding_log(ORTP_MESSAGE, "Try to add port binding", port);
424 ret = upnp_igd_add_port_mapping(lupnp->upnp_igd_ctxt, &mapping);
427 port->state = LinphoneUpnpStateKo;
432 int linphone_upnp_context_send_remove_port_binding(UpnpContext *lupnp, UpnpPortBinding *port) {
433 upnp_igd_port_mapping mapping;
436 // Compute port binding state
437 if(port->state != LinphoneUpnpStateRemoving) {
438 port->to_add = FALSE;
439 switch(port->state) {
440 case LinphoneUpnpStateOk: {
442 port->state = LinphoneUpnpStateRemoving;
445 case LinphoneUpnpStateAdding: {
446 port->to_remove = TRUE;
455 if(port->retry >= UPNP_REMOVE_MAX_RETRY) {
458 mapping.cookie = linphone_upnp_port_binding_retain(port);
459 lupnp->pending_bindings = ms_list_append(lupnp->pending_bindings, mapping.cookie);
461 mapping.remote_port = port->external_port;
462 mapping.remote_host = "";
463 mapping.protocol = port->protocol;
465 linphone_upnp_port_binding_log(ORTP_MESSAGE, "Try to remove port binding", port);
466 ret = upnp_igd_delete_port_mapping(lupnp->upnp_igd_ctxt, &mapping);
469 port->state = LinphoneUpnpStateKo;
475 * uPnP Core interfaces
478 int linphone_core_update_upnp_audio_video(LinphoneCall *call, bool_t audio, bool_t video) {
479 LinphoneCore *lc = call->core;
480 UpnpContext *lupnp = lc->upnp;
482 const char *local_addr, *external_addr;
488 ms_mutex_lock(&lupnp->mutex);
489 // Don't handle when the call
490 if(lupnp->state == LinphoneUpnpStateOk && call->upnp_session != NULL) {
492 local_addr = upnp_igd_get_local_ipaddress(lupnp->upnp_igd_ctxt);
493 external_addr = upnp_igd_get_external_ipaddress(lupnp->upnp_igd_ctxt);
498 strncpy(call->upnp_session->audio->rtp->local_addr, local_addr, LINPHONE_IPADDR_SIZE);
499 strncpy(call->upnp_session->audio->rtp->external_addr, external_addr, LINPHONE_IPADDR_SIZE);
500 call->upnp_session->audio->rtp->local_port = call->audio_port;
501 if(call->upnp_session->audio->rtp->external_port == -1) {
502 call->upnp_session->audio->rtp->external_port = call->audio_port;
504 strncpy(call->upnp_session->audio->rtcp->local_addr, local_addr, LINPHONE_IPADDR_SIZE);
505 strncpy(call->upnp_session->audio->rtcp->external_addr, external_addr, LINPHONE_IPADDR_SIZE);
506 call->upnp_session->audio->rtcp->local_port = call->audio_port+1;
507 if(call->upnp_session->audio->rtcp->external_port == -1) {
508 call->upnp_session->audio->rtcp->external_port = call->audio_port+1;
511 // Add audio port binding
512 linphone_upnp_context_send_add_port_binding(lupnp, call->upnp_session->audio->rtp);
513 linphone_upnp_context_send_add_port_binding(lupnp, call->upnp_session->audio->rtcp);
515 // Remove audio port binding
516 linphone_upnp_context_send_remove_port_binding(lupnp, call->upnp_session->audio->rtp);
517 linphone_upnp_context_send_remove_port_binding(lupnp, call->upnp_session->audio->rtcp);
523 strncpy(call->upnp_session->video->rtp->local_addr, local_addr, LINPHONE_IPADDR_SIZE);
524 strncpy(call->upnp_session->video->rtp->external_addr, external_addr, LINPHONE_IPADDR_SIZE);
525 call->upnp_session->video->rtp->local_port = call->video_port;
526 if(call->upnp_session->video->rtp->external_port == -1) {
527 call->upnp_session->video->rtp->external_port = call->video_port;
529 strncpy(call->upnp_session->video->rtcp->local_addr, local_addr, LINPHONE_IPADDR_SIZE);
530 strncpy(call->upnp_session->video->rtcp->external_addr, external_addr, LINPHONE_IPADDR_SIZE);
531 call->upnp_session->video->rtcp->local_port = call->video_port+1;
532 if(call->upnp_session->video->rtcp->external_port == -1) {
533 call->upnp_session->video->rtcp->external_port = call->video_port+1;
536 // Add video port binding
537 linphone_upnp_context_send_add_port_binding(lupnp, call->upnp_session->video->rtp);
538 linphone_upnp_context_send_add_port_binding(lupnp, call->upnp_session->video->rtcp);
540 // Remove video port binding
541 linphone_upnp_context_send_remove_port_binding(lupnp, call->upnp_session->video->rtp);
542 linphone_upnp_context_send_remove_port_binding(lupnp, call->upnp_session->video->rtcp);
546 ms_mutex_unlock(&lupnp->mutex);
549 * Update uPnP call state
551 linphone_upnp_call_process(call);
557 int linphone_core_update_upnp_from_remote_media_description(LinphoneCall *call, const SalMediaDescription *md) {
558 bool_t audio = FALSE;
559 bool_t video = FALSE;
561 const SalStreamDescription *stream;
563 for (i = 0; i < md->nstreams; i++) {
564 stream = &md->streams[i];
565 if(stream->type == SalAudio) {
567 } else if(stream->type == SalVideo) {
572 return linphone_core_update_upnp_audio_video(call, audio, video);
575 int linphone_core_update_upnp(LinphoneCore *lc, LinphoneCall *call) {
576 return linphone_core_update_upnp_audio_video(call, call->audiostream!=NULL, call->videostream!=NULL);
579 void linphone_core_update_upnp_state_in_call_stats(LinphoneCall *call) {
580 call->stats[LINPHONE_CALL_STATS_AUDIO].upnp_state = call->upnp_session->audio->state;
581 call->stats[LINPHONE_CALL_STATS_VIDEO].upnp_state = call->upnp_session->video->state;
584 int linphone_upnp_call_process(LinphoneCall *call) {
585 LinphoneCore *lc = call->core;
586 UpnpContext *lupnp = lc->upnp;
588 LinphoneUpnpState oldState = 0, newState = 0;
594 ms_mutex_lock(&lupnp->mutex);
596 // Don't handle when the call
597 if(lupnp->state == LinphoneUpnpStateOk && call->upnp_session != NULL) {
603 if((call->upnp_session->audio->rtp->state == LinphoneUpnpStateOk || call->upnp_session->audio->rtp->state == LinphoneUpnpStateIdle) &&
604 (call->upnp_session->audio->rtcp->state == LinphoneUpnpStateOk || call->upnp_session->audio->rtcp->state == LinphoneUpnpStateIdle)) {
605 call->upnp_session->audio->state = LinphoneUpnpStateOk;
606 } else if(call->upnp_session->audio->rtp->state == LinphoneUpnpStateAdding ||
607 call->upnp_session->audio->rtp->state == LinphoneUpnpStateRemoving ||
608 call->upnp_session->audio->rtcp->state == LinphoneUpnpStateAdding ||
609 call->upnp_session->audio->rtcp->state == LinphoneUpnpStateRemoving) {
610 call->upnp_session->audio->state = LinphoneUpnpStatePending;
611 } else if(call->upnp_session->audio->rtcp->state == LinphoneUpnpStateKo ||
612 call->upnp_session->audio->rtp->state == LinphoneUpnpStateKo) {
613 call->upnp_session->audio->state = LinphoneUpnpStateKo;
615 call->upnp_session->audio->state = LinphoneUpnpStateIdle;
621 if((call->upnp_session->video->rtp->state == LinphoneUpnpStateOk || call->upnp_session->video->rtp->state == LinphoneUpnpStateIdle) &&
622 (call->upnp_session->video->rtcp->state == LinphoneUpnpStateOk || call->upnp_session->video->rtcp->state == LinphoneUpnpStateIdle)) {
623 call->upnp_session->video->state = LinphoneUpnpStateOk;
624 } else if(call->upnp_session->video->rtp->state == LinphoneUpnpStateAdding ||
625 call->upnp_session->video->rtp->state == LinphoneUpnpStateRemoving ||
626 call->upnp_session->video->rtcp->state == LinphoneUpnpStateAdding ||
627 call->upnp_session->video->rtcp->state == LinphoneUpnpStateRemoving) {
628 call->upnp_session->video->state = LinphoneUpnpStatePending;
629 } else if(call->upnp_session->video->rtcp->state == LinphoneUpnpStateKo ||
630 call->upnp_session->video->rtp->state == LinphoneUpnpStateKo) {
631 call->upnp_session->video->state = LinphoneUpnpStateKo;
633 call->upnp_session->video->state = LinphoneUpnpStateIdle;
637 * Update session state
639 oldState = call->upnp_session->state;
640 if(call->upnp_session->audio->state == LinphoneUpnpStateOk &&
641 call->upnp_session->video->state == LinphoneUpnpStateOk) {
642 call->upnp_session->state = LinphoneUpnpStateOk;
643 } else if(call->upnp_session->audio->state == LinphoneUpnpStatePending ||
644 call->upnp_session->video->state == LinphoneUpnpStatePending) {
645 call->upnp_session->state = LinphoneUpnpStatePending;
646 } else if(call->upnp_session->audio->state == LinphoneUpnpStateKo ||
647 call->upnp_session->video->state == LinphoneUpnpStateKo) {
648 call->upnp_session->state = LinphoneUpnpStateKo;
650 call->upnp_session->state = LinphoneUpnpStateIdle;
652 newState = call->upnp_session->state;
654 /* When change is done proceed update */
655 if(oldState != LinphoneUpnpStateOk && oldState != LinphoneUpnpStateKo &&
656 (call->upnp_session->state == LinphoneUpnpStateOk || call->upnp_session->state == LinphoneUpnpStateKo)) {
657 if(call->upnp_session->state == LinphoneUpnpStateOk)
658 ms_message("uPnP IGD: uPnP for Call %p is ok", call);
660 ms_message("uPnP IGD: uPnP for Call %p is ko", call);
662 switch (call->state) {
663 case LinphoneCallUpdating:
664 linphone_core_start_update_call(lc, call);
666 case LinphoneCallUpdatedByRemote:
667 linphone_core_start_accept_call_update(lc, call);
669 case LinphoneCallOutgoingInit:
670 linphone_core_proceed_with_invite_if_ready(lc, call, NULL);
672 case LinphoneCallIdle:
673 linphone_core_notify_incoming_call(lc, call);
681 ms_mutex_unlock(&lupnp->mutex);
684 * Update uPnP call stats
686 if(oldState != newState) {
687 linphone_core_update_upnp_state_in_call_stats(call);
693 void linphone_core_upnp_refresh(UpnpContext *lupnp) {
694 MSList *global_list = NULL;
698 UpnpPortBinding *port_mapping, *port_mapping2;
700 ms_message("uPnP IGD: Refresh mappings");
702 /* Remove context port bindings */
703 if(lupnp->sip_udp != NULL) {
704 global_list = ms_list_append(global_list, lupnp->sip_udp);
706 if(lupnp->sip_tcp != NULL) {
707 global_list = ms_list_append(global_list, lupnp->sip_tcp);
709 if(lupnp->sip_tls != NULL) {
710 global_list = ms_list_append(global_list, lupnp->sip_tls);
713 /* Remove call port bindings */
714 list = lupnp->lc->calls;
715 while(list != NULL) {
716 call = (LinphoneCall *)list->data;
717 if(call->upnp_session != NULL) {
718 global_list = ms_list_append(global_list, call->upnp_session->audio->rtp);
719 global_list = ms_list_append(global_list, call->upnp_session->audio->rtcp);
720 global_list = ms_list_append(global_list, call->upnp_session->video->rtp);
721 global_list = ms_list_append(global_list, call->upnp_session->video->rtcp);
726 // Remove port binding configurations
727 list = linphone_upnp_config_list_port_bindings(lupnp->lc->config);
728 for(item = list;item != NULL; item = item->next) {
729 port_mapping = (UpnpPortBinding *)item->data;
730 port_mapping2 = linphone_upnp_port_binding_equivalent_in_list(global_list, port_mapping);
731 if(port_mapping2 == NULL) {
732 linphone_upnp_context_send_remove_port_binding(lupnp, port_mapping);
733 } else if(port_mapping2->state == LinphoneUpnpStateIdle){
734 /* Force to remove */
735 port_mapping2->state = LinphoneUpnpStateOk;
738 ms_list_for_each(list, (void (*)(void*))linphone_upnp_port_binding_release);
739 list = ms_list_free(list);
742 // (Re)Add removed port bindings
744 while(list != NULL) {
745 port_mapping = (UpnpPortBinding *)list->data;
746 linphone_upnp_context_send_remove_port_binding(lupnp, port_mapping);
747 linphone_upnp_context_send_add_port_binding(lupnp, port_mapping);
750 global_list = ms_list_free(global_list);
753 bool_t linphone_core_upnp_hook(void *data) {
756 UpnpPortBinding *port_mapping;
757 UpnpContext *lupnp = (UpnpContext *)data;
758 ms_mutex_lock(&lupnp->mutex);
761 for(item = lupnp->adding_configs;item!=NULL;item=item->next) {
762 port_mapping = (UpnpPortBinding *)item->data;
763 snprintf(key, sizeof(key), "%s-%d-%d",
764 (port_mapping->protocol == UPNP_IGD_IP_PROTOCOL_TCP)? "TCP":"UDP",
765 port_mapping->external_port,
766 port_mapping->local_port);
767 lp_config_set_string(lupnp->lc->config, UPNP_SECTION_NAME, key, "uPnP");
768 linphone_upnp_port_binding_log(ORTP_DEBUG, "Configuration: Added port binding", port_mapping);
770 ms_list_for_each(lupnp->adding_configs,(void (*)(void*))linphone_upnp_port_binding_release);
771 lupnp->adding_configs = ms_list_free(lupnp->adding_configs);
774 for(item = lupnp->removing_configs;item!=NULL;item=item->next) {
775 port_mapping = (UpnpPortBinding *)item->data;
776 snprintf(key, sizeof(key), "%s-%d-%d",
777 (port_mapping->protocol == UPNP_IGD_IP_PROTOCOL_TCP)? "TCP":"UDP",
778 port_mapping->external_port,
779 port_mapping->local_port);
780 lp_config_set_string(lupnp->lc->config, UPNP_SECTION_NAME, key, NULL);
781 linphone_upnp_port_binding_log(ORTP_DEBUG, "Configuration: Removed port binding", port_mapping);
783 ms_list_for_each(lupnp->removing_configs,(void (*)(void*))linphone_upnp_port_binding_release);
784 lupnp->removing_configs = ms_list_free(lupnp->removing_configs);
786 ms_mutex_unlock(&lupnp->mutex);
790 int linphone_core_update_local_media_description_from_upnp(SalMediaDescription *desc, UpnpSession *session) {
792 SalStreamDescription *stream;
793 UpnpStream *upnpStream;
795 for (i = 0; i < desc->nstreams; i++) {
796 stream = &desc->streams[i];
798 if(stream->type == SalAudio) {
799 upnpStream = session->audio;
800 } else if(stream->type == SalVideo) {
801 upnpStream = session->video;
803 if(upnpStream != NULL) {
804 if(upnpStream->rtp->state == LinphoneUpnpStateOk) {
805 strncpy(stream->rtp_addr, upnpStream->rtp->external_addr, LINPHONE_IPADDR_SIZE);
806 stream->rtp_port = upnpStream->rtp->external_port;
808 if(upnpStream->rtcp->state == LinphoneUpnpStateOk) {
809 strncpy(stream->rtcp_addr, upnpStream->rtcp->external_addr, LINPHONE_IPADDR_SIZE);
810 stream->rtcp_port = upnpStream->rtcp->external_port;
822 UpnpPortBinding *linphone_upnp_port_binding_new() {
823 UpnpPortBinding *port = NULL;
824 port = ms_new0(UpnpPortBinding,1);
825 ms_mutex_init(&port->mutex, NULL);
826 port->state = LinphoneUpnpStateIdle;
827 port->local_addr[0] = '\0';
828 port->local_port = -1;
829 port->external_addr[0] = '\0';
830 port->external_port = -1;
831 port->to_remove = FALSE;
832 port->to_add = FALSE;
837 UpnpPortBinding *linphone_upnp_port_binding_copy(const UpnpPortBinding *port) {
838 UpnpPortBinding *new_port = NULL;
839 new_port = ms_new0(UpnpPortBinding,1);
840 memcpy(new_port, port, sizeof(UpnpPortBinding));
841 ms_mutex_init(&new_port->mutex, NULL);
846 void linphone_upnp_port_binding_log(int level, const char *msg, const UpnpPortBinding *port) {
847 if(strlen(port->local_addr)) {
848 ortp_log(level, "uPnP IGD: %s %s|%d->%s:%d", msg,
849 (port->protocol == UPNP_IGD_IP_PROTOCOL_TCP)? "TCP":"UDP",
854 ortp_log(level, "uPnP IGD: %s %s|%d->%d", msg,
855 (port->protocol == UPNP_IGD_IP_PROTOCOL_TCP)? "TCP":"UDP",
861 bool_t linphone_upnp_port_binding_equal(const UpnpPortBinding *port1, const UpnpPortBinding *port2) {
862 return port1->protocol == port2->protocol &&
863 port1->local_port == port2->local_port &&
864 port1->external_port == port2->external_port;
867 UpnpPortBinding *linphone_upnp_port_binding_equivalent_in_list(MSList *list, const UpnpPortBinding *port) {
868 UpnpPortBinding *port_mapping;
869 while(list != NULL) {
870 port_mapping = (UpnpPortBinding *)list->data;
871 if(linphone_upnp_port_binding_equal(port, port_mapping)) {
880 UpnpPortBinding *linphone_upnp_port_binding_retain(UpnpPortBinding *port) {
881 ms_mutex_lock(&port->mutex);
883 ms_mutex_unlock(&port->mutex);
887 void linphone_upnp_port_binding_release(UpnpPortBinding *port) {
888 ms_mutex_lock(&port->mutex);
889 if(--port->ref == 0) {
890 ms_mutex_unlock(&port->mutex);
891 ms_mutex_destroy(&port->mutex);
895 ms_mutex_unlock(&port->mutex);
903 UpnpStream* linphone_upnp_stream_new() {
904 UpnpStream *stream = ms_new0(UpnpStream,1);
905 stream->state = LinphoneUpnpStateIdle;
906 stream->rtp = linphone_upnp_port_binding_new();
907 stream->rtp->protocol = UPNP_IGD_IP_PROTOCOL_UDP;
908 stream->rtcp = linphone_upnp_port_binding_new();
909 stream->rtcp->protocol = UPNP_IGD_IP_PROTOCOL_UDP;
913 void linphone_upnp_stream_destroy(UpnpStream* stream) {
914 linphone_upnp_port_binding_release(stream->rtp);
916 linphone_upnp_port_binding_release(stream->rtcp);
926 UpnpSession* linphone_upnp_session_new(LinphoneCall* call) {
927 UpnpSession *session = ms_new0(UpnpSession,1);
928 session->call = call;
929 session->state = LinphoneUpnpStateIdle;
930 session->audio = linphone_upnp_stream_new();
931 session->video = linphone_upnp_stream_new();
935 void linphone_upnp_session_destroy(UpnpSession *session) {
936 LinphoneCore *lc = session->call->core;
938 if(lc->upnp != NULL) {
939 /* Remove bindings */
940 linphone_upnp_context_send_remove_port_binding(lc->upnp, session->audio->rtp);
941 linphone_upnp_context_send_remove_port_binding(lc->upnp, session->audio->rtcp);
942 linphone_upnp_context_send_remove_port_binding(lc->upnp, session->video->rtp);
943 linphone_upnp_context_send_remove_port_binding(lc->upnp, session->video->rtcp);
946 linphone_upnp_stream_destroy(session->audio);
947 linphone_upnp_stream_destroy(session->video);
951 LinphoneUpnpState linphone_upnp_session_get_state(UpnpSession *session) {
952 return session->state;
959 struct linphone_upnp_config_list_port_bindings_struct {
960 struct _LpConfig *lpc;
964 static void linphone_upnp_config_list_port_bindings_cb(const char *entry, struct linphone_upnp_config_list_port_bindings_struct *cookie) {
965 char protocol_str[4]; // TCP or UDP
966 upnp_igd_ip_protocol protocol;
970 UpnpPortBinding *port;
971 if(sscanf(entry, "%3s-%i-%i", protocol_str, &external_port, &local_port) == 3) {
972 if(strcasecmp(protocol_str, "TCP") == 0) {
973 protocol = UPNP_IGD_IP_PROTOCOL_TCP;
974 } else if(strcasecmp(protocol_str, "UDP") == 0) {
975 protocol = UPNP_IGD_IP_PROTOCOL_UDP;
980 port = linphone_upnp_port_binding_new();
981 port->state = LinphoneUpnpStateOk;
982 port->protocol = protocol;
983 port->external_port = external_port;
984 port->local_port = local_port;
985 cookie->retList = ms_list_append(cookie->retList, port);
991 ms_warning("uPnP configuration invalid line: %s", entry);
995 MSList *linphone_upnp_config_list_port_bindings(struct _LpConfig *lpc) {
996 struct linphone_upnp_config_list_port_bindings_struct cookie = {lpc, NULL};
997 lp_config_for_each_entry(lpc, UPNP_SECTION_NAME, (void(*)(const char *, void*))linphone_upnp_config_list_port_bindings_cb, &cookie);
998 return cookie.retList;
1001 void linphone_upnp_config_add_port_binding(UpnpContext *lupnp, const UpnpPortBinding *port) {
1003 UpnpPortBinding *list_port;
1005 list = lupnp->removing_configs;
1006 while(list != NULL) {
1007 list_port = (UpnpPortBinding *)list->data;
1008 if(linphone_upnp_port_binding_equal(list_port, port) == TRUE) {
1009 lupnp->removing_configs = ms_list_remove(lupnp->removing_configs, list_port);
1010 linphone_upnp_port_binding_release(list_port);
1013 list = ms_list_next(list);
1016 list = lupnp->adding_configs;
1017 while(list != NULL) {
1018 list_port = (UpnpPortBinding *)list->data;
1019 if(linphone_upnp_port_binding_equal(list_port, port) == TRUE) {
1022 list = ms_list_next(list);
1025 list_port = linphone_upnp_port_binding_copy(port);
1026 lupnp->adding_configs = ms_list_append(lupnp->adding_configs, list_port);
1029 void linphone_upnp_config_remove_port_binding(UpnpContext *lupnp, const UpnpPortBinding *port) {
1031 UpnpPortBinding *list_port;
1033 list = lupnp->adding_configs;
1034 while(list != NULL) {
1035 list_port = (UpnpPortBinding *)list->data;
1036 if(linphone_upnp_port_binding_equal(list_port, port) == TRUE) {
1037 lupnp->adding_configs = ms_list_remove(lupnp->adding_configs, list_port);
1038 linphone_upnp_port_binding_release(list_port);
1041 list = ms_list_next(list);
1044 list = lupnp->removing_configs;
1045 while(list != NULL) {
1046 list_port = (UpnpPortBinding *)list->data;
1047 if(linphone_upnp_port_binding_equal(list_port, port) == TRUE) {
1050 list = ms_list_next(list);
1053 list_port = linphone_upnp_port_binding_copy(port);
1054 lupnp->removing_configs = ms_list_append(lupnp->removing_configs, list_port);