Changeset 139 for pjproject/trunk/pjsip/src/pjsip/sip_ua_layer.c

Timestamp:

Feb 7, 2006 12:34:11 PM (18 years ago)

Author:

bennylp

Message:

Initial implementation of invite session abstraction, and updated pjsua for the new framework

File:

• pjproject/trunk/pjsip/src/pjsip/sip_ua_layer.c (modified) (5 diffs)

pjproject/trunk/pjsip/src/pjsip/sip_ua_layer.c

@@ -169 +169 @@
     dlg = tsx->mod_data[mod_ua.mod.id];
     
-    /* Must have the dialog instance! */
-    PJ_ASSERT_ON_FAIL(dlg != NULL, return);
+    /* If dialog instance has gone, it could mean that the dialog
+     * may has been destroyed.
+     */
+    if (dlg == NULL)
+        return;
 
     /* Hand over the event to the dialog. */
@@ -205 +208 @@
 {
     return &mod_ua.mod;
+}
+
+
+/*
+ * Get the endpoint where this UA is currently registered.
+ */
+PJ_DEF(pjsip_endpoint*) pjsip_ua_get_endpt(pjsip_user_agent *ua)
+{
+    PJ_UNUSED_ARG(ua);
+    pj_assert(ua == &mod_ua.mod);
+    return mod_ua.endpt;
 }
 
@@ -461 +475 @@
     pjsip_dialog *dlg;
 
+    /* Optimized path: bail out early if request doesn't have To tag */
+    if (rdata->msg_info.to->tag.slen == 0)
+        return PJ_FALSE;
+
     /* Lock user agent before looking up the dialog hash table. */
     pj_mutex_lock(mod_ua.mutex);
@@ -467 +485 @@
     dlg_set = find_dlg_set_for_msg(rdata);
 
-    /* Bail out if dialog is not found. */
+    /* If dialog is not found, respond with 481 (Call/Transaction
+     * Does Not Exist).
+     */
     if (dlg_set == NULL) {
-        /* Not ours. */
+        /* Unable to find dialog. */
         pj_mutex_unlock(mod_ua.mutex);
-        return PJ_FALSE;
+
+        /* Respond with 481 . */
+        pjsip_endpt_respond_stateless( mod_ua.endpt, rdata, 481, NULL, NULL,
+                                       NULL );
+        return PJ_TRUE;
     }
 
@@ -531 +555 @@
     /* Check if transaction is present. */
     tsx = pjsip_rdata_get_tsx(rdata);
-    if (!tsx) {
+    if (tsx) {
         /* Check if dialog is present in the transaction. */
         dlg = pjsip_tsx_get_dlg(tsx);