src/core/sipe-session.c

   1 /**
   2  * @file sipe-session.c
   3  *
   4  * pidgin-sipe
   5  *
   6  * Copyright (C) 2009-2016 SIPE Project <http://sipe.sourceforge.net/>
   7  *
   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.
  12  *
  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.
  17  *
  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
  21  */
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include "config.h"
  25 #endif
  26
  27 #include <stdlib.h>
  28 #include <string.h>
  29 #include <time.h>
  30
  31 #include <glib.h>
  32
  33 #include "sip-transport.h"
  34 #include "sipe-backend.h"
  35 #include "sipe-chat.h"
  36 #include "sipe-conf.h"
  37 #include "sipe-core.h"
  38 #include "sipe-core-private.h"
  39 #include "sipe-dialog.h"
  40 #include "sipe-session.h"
  41 #include "sipe-utils.h"
  42
  43 static void
  44 sipe_free_queued_message(struct queued_message *message)
  45 {
  46         g_free(message->body);
  47         g_free(message->content_type);
  48         g_free(message);
  49 }
  50
  51 struct sip_session *
  52 sipe_session_add_chat(struct sipe_core_private *sipe_private,
  53                       struct sipe_chat_session *chat_session,
  54                       gboolean multiparty,
  55                       const gchar *id)
  56 {
  57         struct sip_session *session = g_new0(struct sip_session, 1);
  58         session->callid = gencallid();
  59         if (chat_session) {
  60                 session->chat_session = chat_session;
  61         } else {
  62                 gchar *chat_title = sipe_chat_get_name();
  63                 session->chat_session = sipe_chat_create_session(multiparty ?
  64                                                                  SIPE_CHAT_TYPE_MULTIPARTY :
  65                                                                  SIPE_CHAT_TYPE_CONFERENCE,
  66                                                                  id,
  67                                                                  chat_title);
  68                 g_free(chat_title);
  69         }
  70         session->unconfirmed_messages = g_hash_table_new_full(
  71                 g_str_hash, g_str_equal, g_free, (GDestroyNotify)sipe_free_queued_message);
  72         session->conf_unconfirmed_messages = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free);
  73         sipe_private->sessions = g_slist_append(sipe_private->sessions, session);
  74         return session;
  75 }
  76
  77 #ifdef HAVE_VV
  78
  79 struct sip_session *
  80 sipe_session_add_call(struct sipe_core_private *sipe_private,
  81                       const gchar *who)
  82 {
  83         struct sip_session *session = g_new0(struct sip_session, 1);
  84         SIPE_DEBUG_INFO("sipe_session_add_call: new session for %s", who);
  85         session->with = g_strdup(who);
  86         session->unconfirmed_messages = g_hash_table_new_full(
  87                 g_str_hash, g_str_equal, g_free, (GDestroyNotify)sipe_free_queued_message);
  88         session->is_call = TRUE;
  89         sipe_private->sessions = g_slist_append(sipe_private->sessions, session);
  90         return session;
  91 }
  92
  93 #endif
  94
  95 struct sip_session *
  96 sipe_session_find_chat(struct sipe_core_private *sipe_private,
  97                        struct sipe_chat_session *chat_session)
  98 {
  99         if (sipe_private == NULL || chat_session == NULL) {
 100                 return NULL;
 101         }
 102
 103         SIPE_SESSION_FOREACH {
 104                 if (session->chat_session == chat_session) {
 105                         return session;
 106                 }
 107         } SIPE_SESSION_FOREACH_END;
 108         return NULL;
 109
 110 }
 111
 112 struct sip_session *
 113 sipe_session_find_chat_by_callid(struct sipe_core_private *sipe_private,
 114                                  const gchar *callid)
 115 {
 116         if (sipe_private == NULL || callid == NULL) {
 117                 return NULL;
 118         }
 119
 120         SIPE_SESSION_FOREACH {
 121                 if (session->callid &&
 122                     sipe_strcase_equal(callid, session->callid)) {
 123                         return session;
 124                 }
 125         } SIPE_SESSION_FOREACH_END;
 126         return NULL;
 127 }
 128
 129 struct sip_session *
 130 sipe_session_find_conference(struct sipe_core_private *sipe_private,
 131                              const gchar *focus_uri)
 132 {
 133         if (sipe_private == NULL || focus_uri == NULL) {
 134                 return NULL;
 135         }
 136
 137         SIPE_SESSION_FOREACH {
 138                 if (session->chat_session &&
 139                     (session->chat_session->type == SIPE_CHAT_TYPE_CONFERENCE) &&
 140                     sipe_strcase_equal(focus_uri, session->chat_session->id)) {
 141                         return session;
 142                 }
 143         } SIPE_SESSION_FOREACH_END;
 144         return NULL;
 145 }
 146
 147 struct sip_session *
 148 sipe_session_find_im(struct sipe_core_private *sipe_private,
 149                      const gchar *who)
 150 {
 151         if (sipe_private == NULL || who == NULL) {
 152                 return NULL;
 153         }
 154
 155         SIPE_SESSION_FOREACH {
 156                 if (!session->is_call &&
 157                     session->with && sipe_strcase_equal(who, session->with)) {
 158                         return session;
 159                 }
 160         } SIPE_SESSION_FOREACH_END;
 161         return NULL;
 162 }
 163
 164 struct sip_session *
 165 sipe_session_find_or_add_im(struct sipe_core_private *sipe_private,
 166                             const gchar *who)
 167 {
 168         struct sip_session *session = sipe_session_find_im(sipe_private, who);
 169         if (!session) {
 170                 SIPE_DEBUG_INFO("sipe_session_find_or_add_im: new session for %s", who);
 171                 session = g_new0(struct sip_session, 1);
 172                 session->with = g_strdup(who);
 173                 session->unconfirmed_messages = g_hash_table_new_full(
 174                         g_str_hash, g_str_equal, g_free, (GDestroyNotify)sipe_free_queued_message);
 175                 sipe_private->sessions = g_slist_append(sipe_private->sessions, session);
 176         }
 177         return session;
 178 }
 179
 180 struct sip_session *
 181 sipe_session_find_chat_or_im(struct sipe_core_private *sipe_private,
 182                              const gchar *callid,
 183                              const gchar *who)
 184 {
 185         struct sip_session *session = sipe_session_find_chat_by_callid(sipe_private,
 186                                                                        callid);
 187         if (!session) {
 188                 session = sipe_session_find_im(sipe_private, who);
 189         }
 190         return session;
 191 }
 192
 193 void
 194 sipe_session_remove(struct sipe_core_private *sipe_private,
 195                     struct sip_session *session)
 196 {
 197         sipe_private->sessions = g_slist_remove(sipe_private->sessions, session);
 198
 199         sipe_dialog_remove_all(session);
 200         sipe_dialog_free(session->focus_dialog);
 201
 202         while (sipe_session_dequeue_message(session));
 203
 204         sipe_utils_slist_free_full(session->pending_invite_queue, g_free);
 205
 206         g_hash_table_destroy(session->unconfirmed_messages);
 207         if (session->conf_unconfirmed_messages)
 208                 g_hash_table_destroy(session->conf_unconfirmed_messages);
 209
 210         if (session->chat_session) {
 211                 sipe_chat_remove_session(session->chat_session);
 212         }
 213
 214         g_free(session->with);
 215         g_free(session->callid);
 216         g_free(session->im_mcu_uri);
 217         g_free(session->subject);
 218         g_free(session->audio_video_entity);
 219         g_free(session);
 220 }
 221
 222 void
 223 sipe_session_close(struct sipe_core_private *sipe_private,
 224                    struct sip_session *session)
 225 {
 226         if (session) {
 227                 if (session->chat_session &&
 228                     (session->chat_session->type == SIPE_CHAT_TYPE_CONFERENCE)) {
 229                         sipe_conf_immcu_closed(sipe_private, session);
 230                         conf_session_close(sipe_private, session);
 231                 }
 232
 233                 SIPE_DIALOG_FOREACH {
 234                         /* @TODO slow down BYE message sending rate */
 235                         /* @see single subscription code */
 236                         sip_transport_bye(sipe_private, dialog);
 237                 } SIPE_DIALOG_FOREACH_END;
 238
 239                 sipe_session_remove(sipe_private, session);
 240         }
 241 }
 242
 243 void
 244 sipe_session_enqueue_message(struct sip_session *session,
 245                              const gchar *body, const gchar *content_type)
 246 {
 247         struct queued_message *msg = g_new0(struct queued_message,1);
 248         msg->body = g_strdup(body);
 249         if (content_type != NULL)
 250                 msg->content_type = g_strdup(content_type);
 251
 252         session->outgoing_message_queue = g_slist_append(session->outgoing_message_queue, msg);
 253 }
 254
 255 GSList *
 256 sipe_session_dequeue_message(struct sip_session *session)
 257 {
 258         struct queued_message *msg;
 259
 260         if (session->outgoing_message_queue == NULL)
 261                 return NULL;
 262
 263         msg = session->outgoing_message_queue->data;
 264         session->outgoing_message_queue = g_slist_remove(session->outgoing_message_queue, msg);
 265         g_free(msg->body);
 266         g_free(msg->content_type);
 267         g_free(msg);
 268
 269         return session->outgoing_message_queue;
 270 }
 271
 272 /*
 273   Local Variables:
 274   mode: c
 275   c-file-style: "bsd"
 276   indent-tabs-mode: t
 277   tab-width: 8
 278   End:
 279 */