Changeset 1507 for pjproject/trunk/pjsip/src/pjsua-lib/pjsua_acc.c

Timestamp:

Oct 18, 2007 5:54:02 AM (17 years ago)

Author:

bennylp

Message:

Ticket #400: initial support for Service-Route header, still untested

File:

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

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

@@ -532 +532 @@
 }
 
+/* Check and update Service-Route header */
+void update_service_route(pjsua_acc *acc, pjsip_rx_data *rdata)
+{
+    pjsip_generic_string_hdr *hsr = NULL;
+    pjsip_route_hdr *hr, *h;
+    const pj_str_t HNAME = { "Service-Route", 13 };
+    const pj_str_t HROUTE = { "Route", 5 };
+    pjsip_uri *uri[PJSUA_ACC_MAX_PROXIES];
+    unsigned i, uri_cnt = 0;
+
+    /* Find and parse Service-Route headers */
+    for (;;) {
+        char saved;
+        int parsed_len;
+
+        /* Find Service-Route header */
+        hsr = (pjsip_generic_string_hdr*)
+              pjsip_msg_find_hdr_by_name(rdata->msg_info.msg, &HNAME, hsr);
+        if (!hsr)
+            break;
+
+        /* Parse as Route header since the syntax is similar. This may
+         * return more than one headers.
+         */
+        saved = hsr->hvalue.ptr[hsr->hvalue.slen];
+        hsr->hvalue.ptr[hsr->hvalue.slen] = '\0';
+        hr = (pjsip_route_hdr*)
+             pjsip_parse_hdr(rdata->tp_info.pool, &HROUTE, hsr->hvalue.ptr,
+                             hsr->hvalue.slen, &parsed_len);
+        hsr->hvalue.ptr[hsr->hvalue.slen] = saved;
+
+        if (hr == NULL) {
+            /* Error */
+            PJ_LOG(1,(THIS_FILE, "Error parsing Service-Route header"));
+            return;
+        }
+
+        /* Save each URI in the result */
+        h = hr;
+        do {
+            if (!PJSIP_URI_SCHEME_IS_SIP(h->name_addr.uri) &&
+                !PJSIP_URI_SCHEME_IS_SIPS(h->name_addr.uri))
+            {
+                PJ_LOG(1,(THIS_FILE,"Error: non SIP URI in Service-Route: %.*s",
+                          (int)hsr->hvalue.slen, hsr->hvalue.ptr));
+                return;
+            }
+
+            uri[uri_cnt++] = h->name_addr.uri;
+            h = h->next;
+        } while (h != hr && uri_cnt != PJ_ARRAY_SIZE(uri));
+
+        if (h != hr) {
+            PJ_LOG(1,(THIS_FILE, "Error: too many Service-Route headers"));
+            return;
+        }
+
+        /* Prepare to find next Service-Route header */
+        hsr = hsr->next;
+        if ((void*)hsr == (void*)&rdata->msg_info.msg->hdr)
+            break;
+    }
+
+    if (uri_cnt == 0)
+        return;
+
+    /* 
+     * Update account's route set 
+     */
+    
+    /* First remove all routes which are not the outbound proxies */
+    for (i=0, hr=acc->route_set.prev; 
+         i<pjsua_var.ua_cfg.outbound_proxy_cnt; 
+         ++i)
+     {
+        pjsip_route_hdr *prev = hr->prev;
+        pj_list_erase(hr);
+        hr = prev;
+     }
+
+    /* Then append the Service-Route URIs */
+    for (i=0; i<uri_cnt; ++i) {
+        hr = pjsip_route_hdr_create(pjsua_var.pool);
+        hr->name_addr.uri = pjsip_uri_clone(pjsua_var.pool, uri[i]);
+        pj_list_push_back(&acc->route_set, hr);
+    }
+
+    /* Done */
+
+    PJ_LOG(4,(THIS_FILE, "Service-Route updated for acc %d with %d URI(s)",
+              acc->index, uri_cnt));
+}
+
 /*
  * This callback is called by pjsip_regc when outgoing register
@@ -576 +669 @@
                 return;
             }
+
+            /* Check and update Service-Route header */
+            update_service_route(acc, param->rdata);
 
             PJ_LOG(3, (THIS_FILE,