Changeset 5195 for pjproject/trunk

Timestamp:

Nov 6, 2015 7:55:38 AM (9 years ago)

Author:

riza

Message:

Re #1895: Terminate subscription when receiving non 2xx Notify response without Retry-After header.

File:

• pjproject/trunk/pjsip/src/pjsip-simple/evsub.c (modified) (3 diffs)

pjproject/trunk/pjsip/src/pjsip-simple/evsub.c

@@ -254 +254 @@
 
 /* Static vars. */
-static const pj_str_t STR_EVENT      = { "Event", 5 };
-static const pj_str_t STR_EVENT_S    = { "o", 1 };
-static const pj_str_t STR_SUB_STATE  = { "Subscription-State", 18 };
-static const pj_str_t STR_TERMINATED = { "terminated", 10 };
-static const pj_str_t STR_ACTIVE     = { "active", 6 };
-static const pj_str_t STR_PENDING    = { "pending", 7 };
-static const pj_str_t STR_TIMEOUT    = { "timeout", 7};
+static const pj_str_t STR_EVENT        = { "Event", 5 };
+static const pj_str_t STR_EVENT_S      = { "o", 1 };
+static const pj_str_t STR_SUB_STATE    = { "Subscription-State", 18 };
+static const pj_str_t STR_TERMINATED   = { "terminated", 10 };
+static const pj_str_t STR_ACTIVE       = { "active", 6 };
+static const pj_str_t STR_PENDING      = { "pending", 7 };
+static const pj_str_t STR_TIMEOUT      = { "timeout", 7};
+static const pj_str_t STR_RETRY_AFTER  = { "Retry-After", 11 };
 
 
@@ -2157 +2158 @@
     } else if (pjsip_method_cmp(&tsx->method, &pjsip_notify_method)==0) {
 
-        /* Handle authentication */ 
+        /* Handle authentication */
         if (tsx->state == PJSIP_TSX_STATE_COMPLETED &&
             (tsx->status_code==401 || tsx->status_code==407))
-        {
-            pjsip_rx_data *rdata = event->body.tsx_state.src.rdata;
+        {           
             pjsip_tx_data *tdata;
             pj_status_t status;
-
-            status = pjsip_auth_clt_reinit_req( &sub->dlg->auth_sess, rdata, 
-                                                tsx->last_tx, &tdata);
+            pjsip_rx_data *rdata = event->body.tsx_state.src.rdata;
+
+            status = pjsip_auth_clt_reinit_req(&sub->dlg->auth_sess, rdata,
+                                               tsx->last_tx, &tdata);
             if (status == PJ_SUCCESS)
-                status = pjsip_dlg_send_request( sub->dlg, tdata, -1, NULL );
+                status = pjsip_dlg_send_request(sub->dlg, tdata, -1, NULL);
 
             if (status != PJ_SUCCESS) {
                 /* Can't authenticate. Terminate session (?) */
-                set_state(sub, PJSIP_EVSUB_STATE_TERMINATED, NULL, NULL, 
+                set_state(sub, PJSIP_EVSUB_STATE_TERMINATED, NULL, NULL,
                           &tsx->status_text);
                 return;
@@ -2178 +2179 @@
 
         }
-        /*
-         * Terminate event usage if we receive 481, 408, and 7 class
-         * responses.
-         */
-        if (sub->state != PJSIP_EVSUB_STATE_TERMINATED &&
-            (tsx->status_code==481 || tsx->status_code==408 ||
-             tsx->status_code/100 == 7))
-        {
-            set_state(sub, PJSIP_EVSUB_STATE_TERMINATED, NULL, event,
-                      &tsx->status_text);
+
+        if (sub->state == PJSIP_EVSUB_STATE_TERMINATED)
             return;
-        }
-
+
+        /* NOTIFY failure check */
+        if (tsx->status_code/100 != 2) {
+            pj_bool_t should_terminate_sub = PJ_FALSE;
+
+            if (event->body.tsx_state.type == PJSIP_EVENT_RX_MSG) {
+                if (tsx->status_code == 481) {
+                    should_terminate_sub = PJ_TRUE;
+                } else {
+                    pjsip_retry_after_hdr *retry_after;
+                    pjsip_rx_data *rdata = event->body.tsx_state.src.rdata;;
+                    pjsip_msg *msg = rdata->msg_info.msg;                   
+
+                    retry_after = (pjsip_retry_after_hdr*)
+                       pjsip_msg_find_hdr_by_name(msg, &STR_RETRY_AFTER, NULL);
+
+                    if (!retry_after) {
+                        should_terminate_sub = PJ_TRUE;
+                    }
+                }
+            } else if (event->body.tsx_state.type == PJSIP_EVENT_TIMER) {
+                if (tsx->status_code == 408) {
+                    should_terminate_sub = PJ_TRUE;
+                }
+            }
+
+            /*
+             * Terminate event usage if we receive non 2xx without retry_after
+             * parameter, 481, 408 responses.
+             */
+            if (should_terminate_sub) {
+                set_state(sub, PJSIP_EVSUB_STATE_TERMINATED, NULL, event,
+                          &tsx->status_text);
+                return;
+            }
+        }
     } else {