6 * Copyright (C) 2009-11 SIPE Project <http://sipe.sourceforge.net/>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
33 #include "sipe-common.h"
35 #include "sip-transport.h"
36 #include "sipe-backend.h"
37 #include "sipe-chat.h"
38 #include "sipe-conf.h"
39 #include "sipe-core.h"
40 #include "sipe-core-private.h"
41 #include "sipe-dialog.h"
42 #include "sipe-groupchat.h"
45 #include "sipe-schedule.h"
46 #include "sipe-session.h"
47 #include "sipe-utils.h"
53 * @param sipe_private SIPE core private data
54 * @param session SIPE session for chat
55 * @param who URI whom to invite to chat.
58 sipe_invite_to_chat(struct sipe_core_private
*sipe_private
,
59 struct sip_session
*session
,
62 static GList
*chat_sessions
= NULL
;
64 struct sipe_chat_session
*sipe_chat_create_session(enum sipe_chat_type type
,
68 struct sipe_chat_session
*session
= g_new0(struct sipe_chat_session
, 1);
70 session
->id
= g_strdup(id
);
71 session
->title
= g_strdup(title
);
73 chat_sessions
= g_list_prepend(chat_sessions
, session
);
77 void sipe_chat_remove_session(struct sipe_chat_session
*session
)
79 chat_sessions
= g_list_remove(chat_sessions
, session
);
80 sipe_backend_chat_session_destroy(session
->backend
);
81 g_free(session
->title
);
86 void sipe_chat_destroy(void)
88 while (chat_sessions
) {
89 struct sipe_chat_session
*chat_session
= chat_sessions
->data
;
90 SIPE_DEBUG_INFO("sipe_chat_destroy: '%s' (%s)",
91 chat_session
->title
, chat_session
->id
);
92 sipe_chat_remove_session(chat_session
);
96 void sipe_core_chat_invite(struct sipe_core_public
*sipe_public
,
97 struct sipe_chat_session
*chat_session
,
100 struct sipe_core_private
*sipe_private
= SIPE_CORE_PRIVATE
;
102 SIPE_DEBUG_INFO("sipe_core_chat_create: who '%s'", name
);
104 switch (chat_session
->type
) {
105 case SIPE_CHAT_TYPE_MULTIPARTY
:
106 case SIPE_CHAT_TYPE_CONFERENCE
:
108 struct sip_session
*session
= sipe_session_find_chat(sipe_private
,
112 gchar
*uri
= sip_uri(name
);
113 sipe_invite_to_chat(sipe_private
, session
, uri
);
118 case SIPE_CHAT_TYPE_GROUPCHAT
:
120 SIPE_DEBUG_INFO_NOFORMAT("GROUP CHAT: INVITE NOT IMPLEMENTED!");
127 void sipe_core_chat_rejoin(struct sipe_core_public
*sipe_public
,
128 struct sipe_chat_session
*chat_session
)
130 struct sipe_core_private
*sipe_private
= SIPE_CORE_PRIVATE
;
132 SIPE_DEBUG_INFO("sipe_core_chat_rejoin: '%s'", chat_session
->title
);
134 switch (chat_session
->type
) {
135 case SIPE_CHAT_TYPE_MULTIPARTY
:
137 struct sip_session
*session
= sipe_session_add_chat(sipe_private
,
141 gchar
*self
= sip_uri_self(sipe_private
);
143 sipe_invite_to_chat(sipe_private
, session
, self
);
144 sipe_backend_chat_rejoin(SIPE_CORE_PUBLIC
,
145 chat_session
->backend
,
147 chat_session
->title
);
151 case SIPE_CHAT_TYPE_CONFERENCE
:
152 sipe_conf_create(sipe_private
, chat_session
, NULL
);
154 case SIPE_CHAT_TYPE_GROUPCHAT
:
155 sipe_groupchat_rejoin(sipe_private
, chat_session
);
162 void sipe_core_chat_leave(struct sipe_core_public
*sipe_public
,
163 struct sipe_chat_session
*chat_session
)
165 struct sipe_core_private
*sipe_private
= SIPE_CORE_PRIVATE
;
167 SIPE_DEBUG_INFO("sipe_core_chat_leave: '%s'", chat_session
->title
);
169 switch (chat_session
->type
) {
170 case SIPE_CHAT_TYPE_MULTIPARTY
:
171 case SIPE_CHAT_TYPE_CONFERENCE
:
173 struct sip_session
*session
= sipe_session_find_chat(sipe_private
,
177 sipe_session_close(sipe_private
, session
);
181 case SIPE_CHAT_TYPE_GROUPCHAT
:
182 sipe_groupchat_leave(sipe_private
, chat_session
);
189 void sipe_core_chat_send(struct sipe_core_public
*sipe_public
,
190 struct sipe_chat_session
*chat_session
,
193 struct sipe_core_private
*sipe_private
= SIPE_CORE_PRIVATE
;
195 SIPE_DEBUG_INFO("sipe_core_chat_send: '%s' to '%s'",
196 what
, chat_session
->title
);
198 switch (chat_session
->type
) {
199 case SIPE_CHAT_TYPE_MULTIPARTY
:
200 case SIPE_CHAT_TYPE_CONFERENCE
:
202 struct sip_session
*session
= sipe_session_find_chat(sipe_private
,
206 sipe_session_enqueue_message(session
,
209 sipe_im_process_queue(sipe_private
, session
);
213 case SIPE_CHAT_TYPE_GROUPCHAT
:
214 sipe_groupchat_send(sipe_private
, chat_session
, what
);
222 sipe_chat_get_name(void)
225 * A non-volatile ID counter.
226 * Should survive connection drop & reconnect.
228 static guint chat_seq
= 0;
230 /* Generate next ID */
231 gchar
*chat_name
= g_strdup_printf(_("Chat #%d"), ++chat_seq
);
232 SIPE_DEBUG_INFO("sipe_chat_get_name: added new: %s", chat_name
);
238 sipe_refer(struct sipe_core_private
*sipe_private
,
239 struct sip_session
*session
,
244 gchar
*epid
= get_epid(sipe_private
);
245 struct sip_dialog
*dialog
= sipe_dialog_find(session
,
246 session
->chat_session
->id
);
247 const char *ourtag
= dialog
&& dialog
->ourtag
? dialog
->ourtag
: NULL
;
249 contact
= get_contact(sipe_private
);
250 hdr
= g_strdup_printf(
253 "Referred-By: <sip:%s>%s%s;epid=%s\r\n"
254 "Require: com.microsoft.rtc-multiparty\r\n",
257 sipe_private
->username
,
258 ourtag
? ";tag=" : "",
259 ourtag
? ourtag
: "",
263 sip_transport_request(sipe_private
,
265 session
->chat_session
->id
,
266 session
->chat_session
->id
,
277 sipe_is_election_finished(struct sip_session
*session
)
281 SIPE_DIALOG_FOREACH
{
282 if (dialog
->election_vote
== 0) {
286 } SIPE_DIALOG_FOREACH_END
;
289 session
->is_voting_in_progress
= FALSE
;
295 process_info_response(struct sipe_core_private
*sipe_private
,
297 struct transaction
*trans
);
300 sipe_send_election_set_rm(struct sipe_core_private
*sipe_private
,
301 struct sip_dialog
*dialog
)
303 const gchar
*hdr
= "Content-Type: application/x-ms-mim\r\n";
305 gchar
*body
= g_strdup_printf(
306 "<?xml version=\"1.0\"?>\r\n"
307 "<action xmlns=\"http://schemas.microsoft.com/sip/multiparty/\">"
308 "<SetRM uri=\"sip:%s\"/></action>\r\n",
309 sipe_private
->username
);
311 sip_transport_info(sipe_private
,
315 process_info_response
);
321 sipe_process_pending_invite_queue(struct sipe_core_private
*sipe_private
,
322 struct sip_session
*session
)
325 GSList
*entry
= session
->pending_invite_queue
;
328 invitee
= entry
->data
;
329 sipe_invite_to_chat(sipe_private
, session
, invitee
);
330 entry
= session
->pending_invite_queue
= g_slist_remove(session
->pending_invite_queue
, invitee
);
335 void sipe_chat_set_roster_manager(struct sip_session
*session
,
336 const gchar
*roster_manager
)
338 struct sipe_chat_session
*chat_session
= session
->chat_session
;
340 g_free(chat_session
->id
);
341 chat_session
->id
= NULL
;
343 chat_session
->id
= g_strdup(roster_manager
);
347 sipe_election_result(struct sipe_core_private
*sipe_private
,
350 struct sip_session
*session
= (struct sip_session
*)sess
;
351 const gchar
*rival
= NULL
;
353 if (session
->chat_session
->id
) {
355 "sipe_election_result: RM has already been elected in the meantime. It is %s",
356 session
->chat_session
->id
);
360 session
->is_voting_in_progress
= FALSE
;
362 SIPE_DIALOG_FOREACH
{
363 if (dialog
->election_vote
< 0) {
364 rival
= dialog
->with
;
367 } SIPE_DIALOG_FOREACH_END
;
370 SIPE_DEBUG_INFO("sipe_election_result: we loose RM election to %s", rival
);
372 gchar
*self
= sip_uri_self(sipe_private
);
374 SIPE_DEBUG_INFO_NOFORMAT("sipe_election_result: we have won RM election!");
376 sipe_chat_set_roster_manager(session
, self
);
379 SIPE_DIALOG_FOREACH
{
380 /* send SetRM to each chat participant*/
381 sipe_send_election_set_rm(sipe_private
, dialog
);
382 } SIPE_DIALOG_FOREACH_END
;
386 sipe_process_pending_invite_queue(sipe_private
, session
);
390 process_info_response(struct sipe_core_private
*sipe_private
,
392 SIPE_UNUSED_PARAMETER
struct transaction
*trans
)
394 const gchar
*contenttype
= sipmsg_find_header(msg
, "Content-Type");
395 const gchar
*callid
= sipmsg_find_header(msg
, "Call-ID");
396 struct sip_dialog
*dialog
;
397 struct sip_session
*session
;
399 session
= sipe_session_find_chat_by_callid(sipe_private
, callid
);
401 SIPE_DEBUG_INFO("process_info_response: failed find dialog for callid %s, exiting.", callid
);
405 if (msg
->response
== 200 && g_str_has_prefix(contenttype
, "application/x-ms-mim")) {
406 sipe_xml
*xn_action
= sipe_xml_parse(msg
->body
, msg
->bodylen
);
407 const sipe_xml
*xn_request_rm_response
= sipe_xml_child(xn_action
, "RequestRMResponse");
408 const sipe_xml
*xn_set_rm_response
= sipe_xml_child(xn_action
, "SetRMResponse");
410 if (xn_request_rm_response
) {
411 const char *with
= sipe_xml_attribute(xn_request_rm_response
, "uri");
412 const char *allow
= sipe_xml_attribute(xn_request_rm_response
, "allow");
414 dialog
= sipe_dialog_find(session
, with
);
416 SIPE_DEBUG_INFO("process_info_response: failed find dialog for %s, exiting.", with
);
417 sipe_xml_free(xn_action
);
421 if (allow
&& !g_ascii_strcasecmp(allow
, "true")) {
422 SIPE_DEBUG_INFO("process_info_response: %s has voted PRO", with
);
423 dialog
->election_vote
= 1;
424 } else if (allow
&& !g_ascii_strcasecmp(allow
, "false")) {
425 SIPE_DEBUG_INFO("process_info_response: %s has voted CONTRA", with
);
426 dialog
->election_vote
= -1;
429 if (sipe_is_election_finished(session
)) {
430 sipe_election_result(sipe_private
,
434 } else if (xn_set_rm_response
) {
437 sipe_xml_free(xn_action
);
445 sipe_send_election_request_rm(struct sipe_core_private
*sipe_private
,
446 struct sip_dialog
*dialog
,
449 const gchar
*hdr
= "Content-Type: application/x-ms-mim\r\n";
451 gchar
*body
= g_strdup_printf(
452 "<?xml version=\"1.0\"?>\r\n"
453 "<action xmlns=\"http://schemas.microsoft.com/sip/multiparty/\">"
454 "<RequestRM uri=\"sip:%s\" bid=\"%d\"/></action>\r\n",
455 sipe_private
->username
, bid
);
457 sip_transport_info(sipe_private
,
461 process_info_response
);
467 sipe_election_start(struct sipe_core_private
*sipe_private
,
468 struct sip_session
*session
)
470 if (session
->is_voting_in_progress
) {
471 SIPE_DEBUG_INFO_NOFORMAT("sipe_election_start: other election is in progress, exiting.");
474 session
->is_voting_in_progress
= TRUE
;
476 session
->bid
= rand();
478 SIPE_DEBUG_INFO("sipe_election_start: RM election has initiated. Our bid=%d", session
->bid
);
480 SIPE_DIALOG_FOREACH
{
481 /* reset election_vote for each chat participant */
482 dialog
->election_vote
= 0;
484 /* send RequestRM to each chat participant*/
485 sipe_send_election_request_rm(sipe_private
, dialog
, session
->bid
);
486 } SIPE_DIALOG_FOREACH_END
;
488 sipe_schedule_seconds(sipe_private
,
489 "<+election-result>",
492 sipe_election_result
,
497 sipe_invite_to_chat(struct sipe_core_private
*sipe_private
,
498 struct sip_session
*session
,
502 if (session
->chat_session
->type
== SIPE_CHAT_TYPE_CONFERENCE
)
504 sipe_invite_conf(sipe_private
, session
, who
);
506 else /* a multi-party chat */
508 gchar
*self
= sip_uri_self(sipe_private
);
509 if (session
->chat_session
->id
) {
510 if (sipe_strcase_equal(session
->chat_session
->id
, self
)) {
511 sipe_im_invite(sipe_private
, session
, who
, NULL
, NULL
, NULL
, FALSE
);
513 sipe_refer(sipe_private
, session
, who
);
516 SIPE_DEBUG_INFO_NOFORMAT("sipe_invite_to_chat: no RM available");
518 session
->pending_invite_queue
= slist_insert_unique_sorted(
519 session
->pending_invite_queue
, g_strdup(who
), (GCompareFunc
)strcmp
);
521 sipe_election_start(sipe_private
, session
);