1 /*****************************************************************************\
3 ** Linux Call Router **
5 **---------------------------------------------------------------------------**
6 ** Copyright: Andreas Eversberg **
10 \*****************************************************************************/
13 //#define __u8 unsigned char
14 //#define __u16 unsigned short
15 //#define __u32 unsigned int
18 /* notify endpoint about state change (if any) */
19 static int notify_state_change(int join_id, int epoint_id, int old_state, int new_state)
21 int notify_off = 0, notify_on = 0;
22 struct lcr_msg *message;
24 if (old_state == new_state)
28 case NOTIFY_STATE_ACTIVE:
30 case NOTIFY_STATE_HOLD:
31 notify_on = INFO_NOTIFY_REMOTE_HOLD;
33 case NOTIFY_STATE_SUSPEND:
34 notify_on = INFO_NOTIFY_USER_SUSPENDED;
36 case NOTIFY_STATE_CONFERENCE:
37 notify_on = INFO_NOTIFY_CONFERENCE_ESTABLISHED;
42 case NOTIFY_STATE_HOLD:
44 case NOTIFY_STATE_ACTIVE:
45 notify_off = INFO_NOTIFY_REMOTE_RETRIEVAL;
47 case NOTIFY_STATE_SUSPEND:
48 notify_off = INFO_NOTIFY_REMOTE_RETRIEVAL;
49 notify_on = INFO_NOTIFY_USER_SUSPENDED;
51 case NOTIFY_STATE_CONFERENCE:
52 notify_off = INFO_NOTIFY_REMOTE_RETRIEVAL;
53 notify_on = INFO_NOTIFY_CONFERENCE_ESTABLISHED;
58 case NOTIFY_STATE_SUSPEND:
60 case NOTIFY_STATE_ACTIVE:
61 notify_off = INFO_NOTIFY_USER_RESUMED;
63 case NOTIFY_STATE_HOLD:
64 notify_off = INFO_NOTIFY_USER_RESUMED;
65 notify_on = INFO_NOTIFY_REMOTE_HOLD;
67 case NOTIFY_STATE_CONFERENCE:
68 notify_off = INFO_NOTIFY_USER_RESUMED;
69 notify_on = INFO_NOTIFY_CONFERENCE_ESTABLISHED;
74 case NOTIFY_STATE_CONFERENCE:
76 case NOTIFY_STATE_ACTIVE:
77 notify_off = INFO_NOTIFY_CONFERENCE_DISCONNECTED;
79 case NOTIFY_STATE_HOLD:
80 notify_off = INFO_NOTIFY_CONFERENCE_DISCONNECTED;
81 notify_on = INFO_NOTIFY_REMOTE_HOLD;
83 case NOTIFY_STATE_SUSPEND:
84 notify_off = INFO_NOTIFY_CONFERENCE_DISCONNECTED;
85 notify_on = INFO_NOTIFY_USER_SUSPENDED;
91 if (join_id && notify_off) {
92 message = message_create(join_id, epoint_id, JOIN_TO_EPOINT, MESSAGE_NOTIFY);
93 message->param.notifyinfo.notify = notify_off;
97 if (join_id && notify_on) {
98 message = message_create(join_id, epoint_id, JOIN_TO_EPOINT, MESSAGE_NOTIFY);
99 message->param.notifyinfo.notify = notify_on;
100 message_put(message);
107 /* debug function for join */
108 void joinpbx_debug(class JoinPBX *joinpbx, const char *function)
110 struct join_relation *relation;
111 struct port_list *portlist;
112 class Endpoint *epoint;
116 if (!(options.deb & DEBUG_JOIN))
119 PDEBUG(DEBUG_JOIN, "join(%d) start (called from %s)\n", joinpbx->j_serial, function);
121 relation = joinpbx->j_relation;
124 PDEBUG(DEBUG_JOIN, "join has no relations\n");
126 epoint = find_epoint_id(relation->epoint_id);
128 PDEBUG(DEBUG_JOIN, "warning: relations epoint id=%d doesn't exists!\n", relation->epoint_id);
129 relation = relation->next;
133 UPRINT(strchr(buffer,0), "*** ep%d", relation->epoint_id);
134 UPRINT(strchr(buffer,0), " ifs=");
135 portlist = epoint->ep_portlist;
137 port = find_port_id(portlist->port_id);
139 UPRINT(strchr(buffer,0), "%s,", port->p_name);
141 UPRINT(strchr(buffer,0), "<port %d doesn't exist>,", portlist->port_id);
142 portlist = portlist->next;
144 // UPRINT(strchr(buffer,0), " endpoint=%d on=%s hold=%s", epoint->ep_serial, (epoint->ep_join_id==joinpbx->j_serial)?"yes":"no", (epoint->get_hold_id()==joinpbx->j_serial)?"yes":"no");
145 UPRINT(strchr(buffer,0), " endpoint=%d on=%s", epoint->ep_serial, (epoint->ep_join_id==joinpbx->j_serial)?"yes":"no");
146 switch(relation->type) {
147 case RELATION_TYPE_CALLING:
148 UPRINT(strchr(buffer,0), " type=CALLING");
150 case RELATION_TYPE_SETUP:
151 UPRINT(strchr(buffer,0), " type=SETUP");
153 case RELATION_TYPE_CONNECT:
154 UPRINT(strchr(buffer,0), " type=CONNECT");
157 UPRINT(strchr(buffer,0), " type=unknown");
160 if (relation->channel_state)
161 UPRINT(strchr(buffer,0), " channel=CONNECT");
163 UPRINT(strchr(buffer,0), " channel=HOLD");
164 switch(relation->tx_state) {
165 case NOTIFY_STATE_ACTIVE:
166 UPRINT(strchr(buffer,0), " tx_state=ACTIVE");
168 case NOTIFY_STATE_HOLD:
169 UPRINT(strchr(buffer,0), " tx_state=HOLD");
171 case NOTIFY_STATE_SUSPEND:
172 UPRINT(strchr(buffer,0), " tx_state=SUSPEND");
174 case NOTIFY_STATE_CONFERENCE:
175 UPRINT(strchr(buffer,0), " tx_state=CONFERENCE");
178 UPRINT(strchr(buffer,0), " tx_state=unknown");
181 switch(relation->rx_state) {
182 case NOTIFY_STATE_ACTIVE:
183 UPRINT(strchr(buffer,0), " rx_state=ACTIVE");
185 case NOTIFY_STATE_HOLD:
186 UPRINT(strchr(buffer,0), " rx_state=HOLD");
188 case NOTIFY_STATE_SUSPEND:
189 UPRINT(strchr(buffer,0), " rx_state=SUSPEND");
191 case NOTIFY_STATE_CONFERENCE:
192 UPRINT(strchr(buffer,0), " rx_state=CONFERENCE");
195 UPRINT(strchr(buffer,0), " rx_state=unknown");
198 PDEBUG(DEBUG_JOIN, "%s\n", buffer);
199 relation = relation->next;
202 PDEBUG(DEBUG_JOIN, "end\n");
205 int update_bridge(struct lcr_work *work, void *instance, int index);
208 * constructor for a new join
209 * the join will have a relation to the calling endpoint
211 JoinPBX::JoinPBX(class Endpoint *epoint) : Join()
213 struct join_relation *relation;
214 // char filename[256];
217 FATAL("epoint is NULL.\n");
219 PDEBUG(DEBUG_JOIN, "creating new join and connecting it to the endpoint.\n");
221 j_type = JOIN_TYPE_PBX;
223 j_caller_id[0] = '\0';
228 j_partyline_jingle = 0;
232 memset(&j_updatebridge, 0, sizeof(j_updatebridge));
233 add_work(&j_updatebridge, update_bridge, this, 0);
235 /* initialize a relation only to the calling interface */
236 relation = j_relation = (struct join_relation *)MALLOC(sizeof(struct join_relation));
238 relation->type = RELATION_TYPE_CALLING;
239 relation->channel_state = 0; /* audio is assumed on a new join */
240 relation->tx_state = NOTIFY_STATE_ACTIVE; /* new joins always assumed to be active */
241 relation->rx_state = NOTIFY_STATE_ACTIVE; /* new joins always assumed to be active */
242 relation->epoint_id = epoint->ep_serial;
245 if (options.deb & DEBUG_JOIN)
246 joinpbx_debug(this, "JoinPBX::Constructor(new join)");
255 struct join_relation *relation, *rtemp;
257 relation = j_relation;
259 rtemp = relation->next;
260 FREE(relation, sizeof(struct join_relation));
265 /* remove 3PTY from other join */
268 class JoinPBX *joinpbx;
270 join = find_join_id(j_3pty);
271 if (join && join->j_type == JOIN_TYPE_PBX) {
272 joinpbx = (class JoinPBX *)join;
274 trigger_work(&joinpbx->j_updatebridge);
278 del_work(&j_updatebridge);
282 /* bridge sets the audio flow of all bchannels assiociated to 'this' join
283 * also it changes and notifies active/hold/conference states
285 int update_bridge(struct lcr_work *work, void *instance, int index)
287 class JoinPBX *joinpbx = (class JoinPBX *)instance;
294 void JoinPBX::bridge(void)
296 struct join_relation *relation;
297 struct lcr_msg *message;
298 int numconnect = 0, relations = 0;
299 class Endpoint *epoint;
300 struct port_list *portlist;
302 unsigned int bridge_id;
303 class Join *join_3pty;
304 class JoinPBX *joinpbx_3pty;
305 #ifdef DEBUG_COREBRIDGE
306 int allmISDN = 0; // never set for debug purpose
308 int allmISDN = 1; // set until a non-mISDN relation is found
311 /* bridge id is the serial of join
312 * if we have a 3pty with another join, we always use the lowest brigde id.
313 * this way we use common ids, so both joins share same bridge */
314 if (j_3pty && j_3pty < j_serial)
317 bridge_id = j_serial;
319 relation = j_relation;
321 /* count all relations */
324 /* check for relation's objects */
325 epoint = find_epoint_id(relation->epoint_id);
327 PERROR("software error: relation without existing endpoints.\n");
328 relation = relation->next;
331 portlist = epoint->ep_portlist;
333 PDEBUG(DEBUG_JOIN, "join%d ignoring relation without port object.\n", j_serial);
334 //#warning testing: keep on hold until single audio stream available
335 relation->channel_state = 0;
336 relation = relation->next;
339 if (portlist->next) {
340 PDEBUG(DEBUG_JOIN, "join%d ignoring relation with ep%d due to port_list.\n", j_serial, epoint->ep_serial);
341 //#warning testing: keep on hold until single audio stream available
342 relation->channel_state = 0;
343 relation = relation->next;
346 port = find_port_id(portlist->port_id);
348 PDEBUG(DEBUG_JOIN, "join%d ignoring relation without existing port object.\n", j_serial);
349 relation = relation->next;
352 if ((port->p_type&PORT_CLASS_MASK)!=PORT_CLASS_mISDN) {
353 PDEBUG(DEBUG_JOIN, "join%d ignoring relation ep%d because it's port is not mISDN.\n", j_serial, epoint->ep_serial);
355 PDEBUG(DEBUG_JOIN, "join%d not all endpoints are mISDN.\n", j_serial);
358 relation = relation->next;
362 relation = relation->next;
365 /* check if 3pty members have no mISDN, so bridging via mISDN/lcr will be selected correctly */
366 join_3pty = find_join_id(j_3pty);
367 if (join_3pty && join_3pty->j_type == JOIN_TYPE_PBX) {
368 joinpbx_3pty = (class JoinPBX *)join_3pty;
369 relation = joinpbx_3pty->j_relation;
373 no need to count, because j_3pty is taken into account below when checking relations
374 /* count all relations */
378 /* check for relation's objects */
379 epoint = find_epoint_id(relation->epoint_id);
381 PERROR("software error: relation without existing endpoints.\n");
382 relation = relation->next;
385 portlist = epoint->ep_portlist;
387 PDEBUG(DEBUG_JOIN, "other 3pty join %d: ignoring relation without port object.\n", joinpbx_3pty->j_serial);
388 //#warning testing: keep on hold until single audio stream available
389 relation->channel_state = 0;
390 relation = relation->next;
393 if (portlist->next) {
394 PDEBUG(DEBUG_JOIN, "other 3pty join %d: ignoring relation with ep%d due to port_list.\n", joinpbx_3pty->j_serial, epoint->ep_serial);
395 //#warning testing: keep on hold until single audio stream available
396 relation->channel_state = 0;
397 relation = relation->next;
400 port = find_port_id(portlist->port_id);
402 PDEBUG(DEBUG_JOIN, "other 3pty join %d: ignoring relation without existing port object.\n", joinpbx_3pty->j_serial);
403 relation = relation->next;
406 if ((port->p_type&PORT_CLASS_MASK)!=PORT_CLASS_mISDN) {
407 PDEBUG(DEBUG_JOIN, "other 3pty join %d: ignoring relation ep%d because it's port is not mISDN.\n", joinpbx_3pty->j_serial, epoint->ep_serial);
409 PDEBUG(DEBUG_JOIN, "other 3pty join %d: not all endpoints are mISDN.\n", joinpbx_3pty->j_serial);
412 relation = relation->next;
416 relation = relation->next;
420 PDEBUG(DEBUG_JOIN, "join%d members=%d %s\n", j_serial, relations, (allmISDN)?"(all are mISDN-members)":"(not all are mISDN-members)");
421 /* we notify all relations about rxdata. */
422 relation = j_relation;
424 /* count connected relations */
425 if ((relation->channel_state == 1)
426 && (relation->rx_state != NOTIFY_STATE_SUSPEND)
427 && (relation->rx_state != NOTIFY_STATE_HOLD))
430 /* remove unconnected parties from conference, also remove remotely disconnected parties so conference will not be disturbed. */
433 if (relation->channel_state == 1
434 && relation->rx_state != NOTIFY_STATE_HOLD
435 && relation->rx_state != NOTIFY_STATE_SUSPEND
436 && relations>1 // no conf with one member
437 && allmISDN) { // no conf if any member is not mISDN
438 message = message_create(j_serial, relation->epoint_id, JOIN_TO_EPOINT, MESSAGE_mISDNSIGNAL);
439 message->param.mISDNsignal.message = mISDNSIGNAL_CONF;
440 message->param.mISDNsignal.conf = (bridge_id << 16) | j_pid;
441 PDEBUG(DEBUG_JOIN, "join%d EP%d +on+ id: 0x%08x\n", j_serial, relation->epoint_id, message->param.mISDNsignal.conf);
442 message_put(message);
444 message = message_create(j_serial, relation->epoint_id, JOIN_TO_EPOINT, MESSAGE_mISDNSIGNAL);
445 message->param.mISDNsignal.message = mISDNSIGNAL_CONF;
446 message->param.mISDNsignal.conf = 0;
447 PDEBUG(DEBUG_JOIN, "join%d EP%d +off+ id: 0x%08x\n", j_serial, relation->epoint_id, message->param.mISDNsignal.conf);
448 message_put(message);
452 if (relation->channel_state == 1
453 && relation->rx_state != NOTIFY_STATE_HOLD
454 && relation->rx_state != NOTIFY_STATE_SUSPEND
455 && relations>1 // no bridge with one member
456 && !allmISDN) { // no bridge if all members are mISDN
457 message = message_create(j_serial, relation->epoint_id, JOIN_TO_EPOINT, MESSAGE_BRIDGE);
458 message->param.bridge_id = bridge_id;
459 PDEBUG(DEBUG_JOIN, "join%u EP%u requests bridge=%u\n", j_serial, relation->epoint_id, bridge_id);
460 message_put(message);
462 message = message_create(j_serial, relation->epoint_id, JOIN_TO_EPOINT, MESSAGE_BRIDGE);
463 message->param.bridge_id = 0;
464 PDEBUG(DEBUG_JOIN, "join%u EP%u drop bridge=%u\n", j_serial, relation->epoint_id, bridge_id);
465 message_put(message);
468 relation = relation->next;
471 /* two people just exchange their states */
472 if (!j_3pty && relations==2 && !j_partyline) {
473 PDEBUG(DEBUG_JOIN, "join%d 2 relations / no partyline\n", j_serial);
474 relation = j_relation;
475 relation->tx_state = notify_state_change(j_serial, relation->epoint_id, relation->tx_state, relation->next->rx_state);
476 relation->next->tx_state = notify_state_change(j_serial, relation->next->epoint_id, relation->next->tx_state, relation->rx_state);
478 /* one member in a join, so we put her on hold */
479 if (!j_3pty && (relations==1 || numconnect==1)/* && !j_partyline_jingle*/) {
480 PDEBUG(DEBUG_JOIN, "join%d 1 member or only 1 connected, put on hold\n", j_serial);
481 relation = j_relation;
483 if ((relation->channel_state == 1)
484 && (relation->rx_state != NOTIFY_STATE_SUSPEND)
485 && (relation->rx_state != NOTIFY_STATE_HOLD))
486 relation->tx_state = notify_state_change(j_serial, relation->epoint_id, relation->tx_state, NOTIFY_STATE_HOLD);
487 relation = relation->next;
490 /* if conference/partyline (or more than two members and more than one is connected), so we set conference state */
491 PDEBUG(DEBUG_JOIN, "join%d %d members, %d connected, signal conference\n", j_serial, relations, numconnect);
492 relation = j_relation;
494 if ((relation->channel_state == 1)
495 && (relation->rx_state != NOTIFY_STATE_SUSPEND)
496 && (relation->rx_state != NOTIFY_STATE_HOLD))
497 relation->tx_state = notify_state_change(j_serial, relation->epoint_id, relation->tx_state, NOTIFY_STATE_CONFERENCE);
498 relation = relation->next;
503 /* release join from endpoint
504 * if the join has two relations, all relations are freed and the join will be
506 * on outgoing relations, the cause is collected, if not connected
507 * returns if join has been destroyed
509 int JoinPBX::release(struct join_relation *relation, int location, int cause)
511 struct join_relation *reltemp, **relationpointer;
512 struct lcr_msg *message;
516 /* remove from bridge */
517 if (relation->channel_state != 0) {
518 relation->channel_state = 0;
519 trigger_work(&j_updatebridge);
520 // note: if join is not released, bridge must be updated
523 /* detach given interface */
524 reltemp = j_relation;
525 relationpointer = &j_relation;
527 /* endpoint of function call */
528 if (relation == reltemp)
530 relationpointer = &reltemp->next;
531 reltemp = reltemp->next;
534 FATAL("relation not in list of our relations. this must not happen.\n");
535 //printf("releasing relation %d\n", reltemp->epoint_id);
536 *relationpointer = reltemp->next;
537 FREE(reltemp, sizeof(struct join_relation));
539 relation = reltemp = NULL; // just in case of reuse fault;
541 /* if no more relation */
543 PDEBUG(DEBUG_JOIN, "join is completely removed.\n");
544 /* there is no more endpoint related to the join */
547 // end of join object!
548 PDEBUG(DEBUG_JOIN, "join completely removed!\n");
550 /* if join is a party line */
552 PDEBUG(DEBUG_JOIN, "join is a conference room, so we keep it alive until the last party left.\n");
554 /* if only one relation left */
555 if (!j_relation->next) {
556 PDEBUG(DEBUG_JOIN, "join has one relation left, so we send it a release with the given cause %d.\n", cause);
557 message = message_create(j_serial, j_relation->epoint_id, JOIN_TO_EPOINT, MESSAGE_RELEASE);
558 message->param.disconnectinfo.cause = cause;
559 message->param.disconnectinfo.location = location;
560 message_put(message);
563 // end of join object!
564 PDEBUG(DEBUG_JOIN, "join completely removed!\n");
569 if (options.deb & DEBUG_JOIN && join->j_type==JOIN_TYPE_PBX)
570 joinpbx_debug((class JoinPBX *)join, "join_release{all joins left}");
573 PDEBUG(DEBUG_JOIN, "join_release(): ended.\n");
577 /* count number of relations in a join
579 int joinpbx_countrelations(unsigned int join_id)
581 struct join_relation *relation;
584 class JoinPBX *joinpbx;
586 join = find_join_id(join_id);
591 if (join->j_type != JOIN_TYPE_PBX)
593 joinpbx = (class JoinPBX *)join;
596 relation = joinpbx->j_relation;
599 relation = relation->next;
605 /* check if one is calling and all other relations are setup-realations */
606 int joinpbx_onecalling_othersetup(struct join_relation *relation)
608 int calling = 0, other = 0;
611 switch(relation->type) {
612 case RELATION_TYPE_CALLING:
615 case RELATION_TYPE_SETUP:
622 relation = relation->next;
625 if (calling == 1 && other == 0)
630 void JoinPBX::remove_relation(struct join_relation *relation)
632 struct join_relation *temp, **tempp;
640 if (temp == relation)
646 PERROR("relation not in join.\n");
650 PDEBUG(DEBUG_JOIN, "removing relation.\n");
651 *tempp = relation->next;
652 FREE(temp, sizeof(struct join_relation));
657 struct join_relation *JoinPBX::add_relation(void)
659 struct join_relation *relation;
662 PERROR("there is no first relation to this join\n");
665 relation = j_relation;
666 while(relation->next)
667 relation = relation->next;
669 relation->next = (struct join_relation *)MALLOC(sizeof(struct join_relation));
671 /* the record pointer is set at the first time the data is received for the relation */
673 // if (options.deb & DEBUG_JOIN)
674 // joinpbx_debug(join, "add_relation");
675 return(relation->next);
678 /* epoint sends a message to a join
681 void JoinPBX::message_epoint(unsigned int epoint_id, int message_type, union parameter *param)
684 struct join_relation *relation, *reltemp;
687 struct lcr_msg *message;
688 // int size, writesize, oldpointer;
689 char *number, *numbers;
692 PERROR("software error, epoint == NULL\n");
696 // if (options.deb & DEBUG_JOIN) {
697 // PDEBUG(DEBUG_JOIN, "message %d received from ep%d.\n", message, epoint->ep_serial);
698 // joinpbx_debug(join,"Join::message_epoint");
700 if (options.deb & DEBUG_JOIN) {
704 if (cl->j_type == JOIN_TYPE_PBX)
705 joinpbx_debug((class JoinPBX *)cl, "Join::message_epoint{all joins before processing}");
712 relation = j_relation;
714 if (relation->epoint_id == epoint_id)
716 relation = relation->next;
719 PDEBUG(DEBUG_JOIN, "no relation back to the endpoint found, ignoring (join=%d, endpoint=%d)\n", j_serial, epoint_id);
723 /* count relations */
724 num=joinpbx_countrelations(j_serial);
726 /* process party line */
727 if (message_type == MESSAGE_SETUP) if (param->setup.partyline && !j_partyline) {
728 j_partyline = param->setup.partyline;
729 j_partyline_jingle = param->setup.partyline_jingle;
732 switch(message_type) {
734 PDEBUG(DEBUG_JOIN, "respsone with connect in partyline mode.\n");
735 relation->type = RELATION_TYPE_CONNECT;
736 message = message_create(j_serial, epoint_id, JOIN_TO_EPOINT, MESSAGE_CONNECT);
737 SPRINT(message->param.connectinfo.id, "%d", j_partyline);
738 message->param.connectinfo.ntype = INFO_NTYPE_UNKNOWN;
739 message_put(message);
740 trigger_work(&j_updatebridge);
741 if (j_partyline_jingle)
745 case MESSAGE_AUDIOPATH:
746 PDEBUG(DEBUG_JOIN, "join received channel message: %d.\n", param->audiopath);
747 if (relation->channel_state != param->audiopath) {
748 relation->channel_state = param->audiopath;
749 trigger_work(&j_updatebridge);
750 if (options.deb & DEBUG_JOIN)
751 joinpbx_debug(this, "Join::message_epoint{after setting new channel state}");
757 switch(param->notifyinfo.notify) {
758 case INFO_NOTIFY_USER_SUSPENDED:
759 case INFO_NOTIFY_USER_RESUMED:
760 case INFO_NOTIFY_REMOTE_HOLD:
761 case INFO_NOTIFY_REMOTE_RETRIEVAL:
762 case INFO_NOTIFY_CONFERENCE_ESTABLISHED:
763 case INFO_NOTIFY_CONFERENCE_DISCONNECTED:
764 new_state = track_notify(relation->rx_state, param->notifyinfo.notify);
765 if (new_state != relation->rx_state) {
766 relation->rx_state = new_state;
767 trigger_work(&j_updatebridge);
768 if (options.deb & DEBUG_JOIN)
769 joinpbx_debug(this, "Join::message_epoint{after setting new rx state}");
775 case MESSAGE_DISCONNECT:
776 PDEBUG(DEBUG_JOIN, "releasing after receiving disconnect, because join in partyline mode.\n");
777 message = message_create(j_serial, epoint_id, JOIN_TO_EPOINT, MESSAGE_RELEASE);
778 message->param.disconnectinfo.cause = CAUSE_NORMAL;
779 message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
780 message_put(message);
783 case MESSAGE_RELEASE:
784 PDEBUG(DEBUG_JOIN, "releasing from join\n");
785 release(relation, 0, 0);
786 if (j_partyline_jingle)
791 PDEBUG(DEBUG_JOIN, "ignoring message, because join in partyline mode.\n");
797 /* process messages */
798 switch(message_type) {
799 /* process audio path message */
800 case MESSAGE_AUDIOPATH:
801 PDEBUG(DEBUG_JOIN, "join received channel message: audiopath=%d, current relation's channel_state=%d\n", param->audiopath, relation->channel_state);
802 if (relation->channel_state != param->audiopath) {
803 relation->channel_state = param->audiopath;
804 trigger_work(&j_updatebridge);
805 if (options.deb & DEBUG_JOIN)
806 joinpbx_debug(this, "Join::message_epoint{after setting new channel state}");
812 switch(param->notifyinfo.notify) {
813 case INFO_NOTIFY_USER_SUSPENDED:
814 case INFO_NOTIFY_USER_RESUMED:
815 case INFO_NOTIFY_REMOTE_HOLD:
816 case INFO_NOTIFY_REMOTE_RETRIEVAL:
817 case INFO_NOTIFY_CONFERENCE_ESTABLISHED:
818 case INFO_NOTIFY_CONFERENCE_DISCONNECTED:
819 new_state = track_notify(relation->rx_state, param->notifyinfo.notify);
820 if (new_state != relation->rx_state) {
821 relation->rx_state = new_state;
822 trigger_work(&j_updatebridge);
823 if (options.deb & DEBUG_JOIN)
824 joinpbx_debug(this, "Join::message_epoint{after setting new rx state}");
829 /* send notification to all other endpoints */
830 reltemp = j_relation;
832 if (reltemp->epoint_id!=epoint_id && reltemp->epoint_id) {
833 message = message_create(j_serial, reltemp->epoint_id, JOIN_TO_EPOINT, MESSAGE_NOTIFY);
834 memcpy(&message->param, param, sizeof(union parameter));
835 message_put(message);
837 reltemp = reltemp->next;
842 /* relations sends a connect */
843 case MESSAGE_CONNECT:
844 /* outgoing setup type becomes connected */
845 if (relation->type == RELATION_TYPE_SETUP)
846 relation->type = RELATION_TYPE_CONNECT;
847 /* release other relations in setup state */
849 reltemp = j_relation;
851 //printf("connect, checking relation %d\n", reltemp->epoint_id);
852 if (reltemp->type == RELATION_TYPE_SETUP) {
853 //printf("relation %d is of type setup, releasing\n", reltemp->epoint_id);
854 /* send release to endpoint */
855 message = message_create(j_serial, reltemp->epoint_id, JOIN_TO_EPOINT, MESSAGE_RELEASE);
856 message->param.disconnectinfo.cause = CAUSE_NONSELECTED;
857 message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
858 message_put(message);
860 if (release(reltemp, LOCATION_PRIVATE_LOCAL, CAUSE_NORMAL)) // dummy cause, should not be used, since calling and connected endpoint still exist afterwards.
861 return; // must return, because join IS destroyed
864 if (reltemp->type == RELATION_TYPE_CALLING)
865 reltemp->type = RELATION_TYPE_CONNECT;
866 reltemp = reltemp->next;
868 break; // continue with our message
870 /* release is sent by endpoint */
871 case MESSAGE_RELEASE:
872 switch(relation->type) {
873 case RELATION_TYPE_SETUP: /* by called */
874 /* collect cause and send collected cause */
875 collect_cause(&j_multicause, &j_multilocation, param->disconnectinfo.cause, param->disconnectinfo.location);
877 release(relation, j_multilocation, j_multicause);
879 release(relation, LOCATION_PRIVATE_LOCAL, CAUSE_UNSPECIFIED);
882 case RELATION_TYPE_CALLING: /* by calling */
883 /* remove us, if we don't have a called releation yet */
884 if (!j_relation->next) {
885 release(j_relation, LOCATION_PRIVATE_LOCAL, CAUSE_NORMAL);
886 return; // must return, because join IS destroyed
888 /* in a conf, we don't kill the other members */
889 if (num > 2 && !joinpbx_onecalling_othersetup(j_relation)) {
890 release(relation, 0, 0);
893 /* remove all relations that are of called type */
895 reltemp = j_relation;
897 if (reltemp->type == RELATION_TYPE_SETUP) {
898 /* send release to endpoint */
899 message = message_create(j_serial, reltemp->epoint_id, JOIN_TO_EPOINT, message_type);
900 memcpy(&message->param, param, sizeof(union parameter));
901 message_put(message);
903 if (release(reltemp, LOCATION_PRIVATE_LOCAL, CAUSE_NORMAL))
904 return; // must return, because join IS destroyed
907 reltemp = reltemp->next;
909 PERROR("we are still here, this should not happen\n");
912 default: /* by connected */
913 /* send current cause */
914 release(relation, param->disconnectinfo.location, param->disconnectinfo.cause);
916 return; // must return, because join may be destroyed
919 /* check number of relations */
920 if (num > 2 && !joinpbx_onecalling_othersetup(j_relation) && message_type != MESSAGE_CONNECT) {
921 PDEBUG(DEBUG_JOIN, "we are in a conference, so we ignore the messages, except MESSAGE_CONNECT.\n");
925 /* if join has no other relation, we process the setup message */
927 switch(message_type) {
929 if (param->setup.dialinginfo.itype == INFO_ITYPE_ISDN_EXTENSION) {
930 /* in case of keypad */
931 numbers = param->setup.dialinginfo.keypad;
933 while((number = strsep(&numbers, ","))) {
934 if (out_setup(epoint_id, message_type, param, NULL, number))
935 return; // join destroyed
937 /* after keypad finish dialing */
941 numbers = param->setup.dialinginfo.id;
942 while((number = strsep(&numbers, ","))) {
943 if (out_setup(epoint_id, message_type, param, number, NULL))
944 return; // join destroyed
948 if (out_setup(epoint_id, message_type, param, param->setup.dialinginfo.id, param->setup.dialinginfo.keypad))
949 return; // join destroyed
953 PDEBUG(DEBUG_JOIN, "no need to send a message because there is no other endpoint than the calling one.\n");
956 /* sending message to other relation(s) */
957 relation = j_relation;
959 if (relation->epoint_id != epoint_id) {
960 PDEBUG(DEBUG_JOIN, "sending message ep%ld -> ep%ld.\n", epoint_id, relation->epoint_id);
961 message = message_create(j_serial, relation->epoint_id, JOIN_TO_EPOINT, message_type);
962 memcpy(&message->param, param, sizeof(union parameter));
963 message_put(message);
964 PDEBUG(DEBUG_JOIN, "message sent.\n");
966 relation = relation->next;
972 int track_notify(int oldstate, int notify)
974 int newstate = oldstate;
977 case INFO_NOTIFY_USER_RESUMED:
978 case INFO_NOTIFY_REMOTE_RETRIEVAL:
979 case INFO_NOTIFY_CONFERENCE_DISCONNECTED:
980 case INFO_NOTIFY_RESERVED_CT_1:
981 case INFO_NOTIFY_RESERVED_CT_2:
982 case INFO_NOTIFY_CALL_IS_DIVERTING:
983 newstate = NOTIFY_STATE_ACTIVE;
986 case INFO_NOTIFY_USER_SUSPENDED:
987 newstate = NOTIFY_STATE_SUSPEND;
990 case INFO_NOTIFY_REMOTE_HOLD:
991 newstate = NOTIFY_STATE_HOLD;
994 case INFO_NOTIFY_CONFERENCE_ESTABLISHED:
995 newstate = NOTIFY_STATE_CONFERENCE;
1004 * setup to exactly one endpoint
1005 * if it fails, the calling endpoint is released.
1006 * if other outgoing endpoints already exists, they are release as well.
1007 * note: if this functions fails, it will destroy its own join object!
1009 int JoinPBX::out_setup(unsigned int epoint_id, int message_type, union parameter *param, char *newnumber, char *newkeypad)
1011 struct join_relation *relation;
1012 struct lcr_msg *message;
1013 class Endpoint *epoint;
1015 PDEBUG(DEBUG_JOIN, "no endpoint found, so we will create an endpoint and send the setup message we have.\n");
1016 /* create a new relation */
1017 if (!(relation=add_relation()))
1018 FATAL("No memory for relation.\n");
1019 relation->type = RELATION_TYPE_SETUP;
1020 relation->channel_state = 0; /* audio is assumed on a new join */
1021 relation->tx_state = NOTIFY_STATE_ACTIVE; /* new joins always assumed to be active */
1022 relation->rx_state = NOTIFY_STATE_ACTIVE; /* new joins always assumed to be active */
1023 /* create a new endpoint */
1024 epoint = new Endpoint(0, j_serial);
1026 FATAL("No memory for Endpoint instance\n");
1027 epoint->ep_app = new_endpointapp(epoint, 1, EAPP_TYPE_PBX); // outgoing
1028 relation->epoint_id = epoint->ep_serial;
1029 /* send setup message to new endpoint */
1030 //printf("JOLLY DEBUG: %d\n",join_countrelations(j_serial));
1031 //i if (options.deb & DEBUG_JOIN)
1032 // joinpbx_debug(join, "Join::message_epoint");
1033 message = message_create(j_serial, relation->epoint_id, JOIN_TO_EPOINT, message_type);
1034 memcpy(&message->param, param, sizeof(union parameter));
1036 SCPY(message->param.setup.dialinginfo.id, newnumber);
1038 message->param.setup.dialinginfo.id[0] = '\0';
1040 SCPY(message->param.setup.dialinginfo.keypad, newkeypad);
1042 message->param.setup.dialinginfo.keypad[0] = '\0';
1043 PDEBUG(DEBUG_JOIN, "setup message sent to ep %d with number='%s' keypad='%s'.\n", relation->epoint_id, message->param.setup.dialinginfo.id, message->param.setup.dialinginfo.keypad);
1044 message_put(message);
1049 /* send play message to all members to play join/release jingle */
1050 void JoinPBX::play_jingle(int in)
1052 struct join_relation *relation;
1053 struct lcr_msg *message;
1055 relation = j_relation;
1059 if (!relation->next)
1062 message = message_create(j_serial, relation->epoint_id, JOIN_TO_EPOINT, MESSAGE_TONE);
1063 SCPY(message->param.tone.name, (char *)((in)?"joined":"left"));
1064 message_put(message);
1065 relation = relation->next;