Changeset 1412 for pjproject/trunk/pjsip-apps/src/samples/proxy.h

Timestamp:

Aug 2, 2007 2:58:19 PM (17 years ago)

Author:

bennylp

Message:

Fixed ticket #360: More support for strict routed requests in proxy sample (thanks Helmut Wolf)

File:

• pjproject/trunk/pjsip-apps/src/samples/proxy.h (modified) (2 diffs)

pjproject/trunk/pjsip-apps/src/samples/proxy.h

@@ -422 +422 @@
      * this modified request.
      */
-    /* Nah, we don't want to support this */
+    if (is_uri_local(target)) {
+        pjsip_route_hdr *r;
+        pjsip_sip_uri *uri;
+
+        /* Find the first Route header */
+        r = hroute = (pjsip_route_hdr*)
+                     pjsip_msg_find_hdr(tdata->msg, PJSIP_H_ROUTE, NULL);
+        if (r == NULL) {
+            /* No Route header. This request is destined for this proxy. */
+            return PJ_SUCCESS;
+        }
+
+        /* Find the last Route header */
+        while ( (r=(pjsip_route_hdr*)pjsip_msg_find_hdr(tdata->msg, 
+                                                        PJSIP_H_ROUTE, 
+                                                        r->next)) != NULL )
+        {
+            hroute = r;
+        }
+
+        /* If the last Route header doesn't have ";lr" parameter, then
+         * this is a strict-routed request indeed, and we follow the steps
+         * in processing strict-route requests above.
+         *
+         * But if it does contain ";lr" parameter, skip the strict-route
+         * processing.
+         */
+        uri = (pjsip_sip_uri*)
+              pjsip_uri_get_uri(&hroute->name_addr);
+        if (uri->lr_param == 0) {
+            /* Yes this is strict route, so:
+             * - replace req URI with the URI in Route header,
+             * - remove the Route header,
+             * - proceed as if it received this modified request. 
+            */
+            tdata->msg->line.req.uri = hroute->name_addr.uri;
+            target = (pjsip_sip_uri*) tdata->msg->line.req.uri;
+            pj_list_erase(hroute);
+        }
+    }
 
     /* If the Request-URI contains a maddr parameter, the proxy MUST check
@@ -476 +515 @@
         rr = pjsip_generic_string_hdr_create(tdata->pool,
                                              &H_RR, &uri);
-        pjsip_msg_add_hdr(tdata->msg, (pjsip_hdr*)rr);
+        pjsip_msg_insert_first_hdr(tdata->msg, (pjsip_hdr*)rr);
     }
 }