Changeset 4313 for pjproject/trunk/pjsip/src/pjsua-lib/pjsua_media.c

Timestamp:

Jan 4, 2013 7:37:27 AM (12 years ago)

Author:

ming

Message:

Fixed #1601: Add locking mechanism when ICE transport is in negotiation state

File:

• pjproject/trunk/pjsip/src/pjsua-lib/pjsua_media.c (modified) (2 diffs)

pjproject/trunk/pjsip/src/pjsua-lib/pjsua_media.c

@@ -586 +586 @@
 }
 
+static void med_tp_nego_timer_cb(void *user_data)
+{
+    pjsua_call *call;
+    unsigned med_idx = (unsigned)(((long)user_data) & 0xFFFF);
+    pjsua_call_media *call_med;
+    pjmedia_transport *tp;
+    pjmedia_transport_info tpinfo;
+    pjmedia_ice_transport_info *ii = NULL;
+    unsigned i;
+    pjsip_dialog *dlg = NULL;
+
+    if ((acquire_call("med_tp_nego_timer_cb", ((long)user_data) >> 16,
+                     &call, &dlg) != PJ_SUCCESS) ||
+        (med_idx >= call->med_cnt))
+    {
+        /* Call have been terminated or media has been removed */
+        return;
+    }
+
+    call_med = &call->media[med_idx];
+    tp = call_med->tp;
+
+    if (!tp)
+        return;
+
+    /* Send UPDATE if default transport address is different than
+     * what was advertised (ticket #881)
+     */
+
+    pjmedia_transport_info_init(&tpinfo);
+    pjmedia_transport_get_info(tp, &tpinfo);
+    for (i=0; i<tpinfo.specific_info_cnt; ++i) {
+        if (tpinfo.spc_info[i].type==PJMEDIA_TRANSPORT_TYPE_ICE) {
+            ii = (pjmedia_ice_transport_info*)
+            tpinfo.spc_info[i].buffer;
+            break;
+        }
+    }
+
+    if (ii && ii->role==PJ_ICE_SESS_ROLE_CONTROLLING &&
+        pj_sockaddr_cmp(&tpinfo.sock_info.rtp_addr_name,
+                        &call_med->rtp_addr))
+    {
+        pj_bool_t use_update;
+        const pj_str_t STR_UPDATE = { "UPDATE", 6 };
+        pjsip_dialog_cap_status support_update;
+        pjsip_dialog *dlg;
+
+        dlg = call_med->call->inv->dlg;
+        support_update = pjsip_dlg_remote_has_cap(dlg, PJSIP_H_ALLOW,
+                                                  NULL, &STR_UPDATE);
+        use_update = (support_update == PJSIP_DIALOG_CAP_SUPPORTED);
+
+        PJ_LOG(4,(THIS_FILE, 
+                  "ICE default transport address has changed for "
+                  "call %d, sending %s",
+                  call_med->call->index,
+                  (use_update ? "UPDATE" : "re-INVITE")));
+
+        if (use_update)
+            pjsua_call_update(call_med->call->index, 0, NULL);
+        else
+            pjsua_call_reinvite(call_med->call->index, 0, NULL);
+    }
+
+    if (dlg)
+        pjsip_dlg_dec_lock(dlg);
+}
+
+
 /* This callback is called when ICE negotiation completes */
 static void on_ice_complete(pjmedia_transport *tp, 
@@ -610 +680 @@
             }
         } else if (call_med->call) {
-            /* Send UPDATE if default transport address is different than
-             * what was advertised (ticket #881)
-             */
-            pjmedia_transport_info tpinfo;
-            pjmedia_ice_transport_info *ii = NULL;
-            unsigned i;
-
-            pjmedia_transport_info_init(&tpinfo);
-            pjmedia_transport_get_info(tp, &tpinfo);
-            for (i=0; i<tpinfo.specific_info_cnt; ++i) {
-                if (tpinfo.spc_info[i].type==PJMEDIA_TRANSPORT_TYPE_ICE) {
-                    ii = (pjmedia_ice_transport_info*)
-                         tpinfo.spc_info[i].buffer;
-                    break;
-                }
-            }
-
-            if (ii && ii->role==PJ_ICE_SESS_ROLE_CONTROLLING &&
-                pj_sockaddr_cmp(&tpinfo.sock_info.rtp_addr_name,
-                                &call_med->rtp_addr))
-            {
-                pj_bool_t use_update;
-                const pj_str_t STR_UPDATE = { "UPDATE", 6 };
-                pjsip_dialog_cap_status support_update;
-                pjsip_dialog *dlg;
-
-                dlg = call_med->call->inv->dlg;
-                support_update = pjsip_dlg_remote_has_cap(dlg, PJSIP_H_ALLOW,
-                                                          NULL, &STR_UPDATE);
-                use_update = (support_update == PJSIP_DIALOG_CAP_SUPPORTED);
-
-                PJ_LOG(4,(THIS_FILE, 
-                          "ICE default transport address has changed for "
-                          "call %d, sending %s",
-                          call_med->call->index,
-                          (use_update ? "UPDATE" : "re-INVITE")));
-
-                if (use_update)
-                    pjsua_call_update(call_med->call->index, 0, NULL);
-                else
-                    pjsua_call_reinvite(call_med->call->index, 0, NULL);
-            }
-        }
+            void *data = (void*)(long)( (call_med->call->index<<16) |
+                                        (call_med->idx & 0xFFFF) );
+            pjsua_schedule_timer2(&med_tp_nego_timer_cb, data, 1);
+        }
         break;
     case PJ_ICE_STRANS_OP_KEEP_ALIVE: