Changeset 1501 for pjproject/trunk/pjsip/src/pjsua-lib/pjsua_media.c

Timestamp:

Oct 16, 2007 1:34:14 AM (17 years ago)

Author:

bennylp

Message:

More ticket #399: added callback to report NAT detection result, and sends NAT type in SDP

File:

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

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

@@ -195 +195 @@
     PJ_ASSERT_RETURN(status == PJ_SUCCESS, status);
 
+    /* Perform NAT detection */
+    pjsua_detect_nat_type();
+
     return PJ_SUCCESS;
 }
@@ -759 +762 @@
     if (status != PJ_SUCCESS)
         goto on_error;
+
+    /* Add NAT info in the SDP */
+    if (pjsua_var.ua_cfg.nat_type_in_sdp) {
+        pjmedia_sdp_attr *a;
+        pj_str_t value;
+        char nat_info[80];
+
+        value.ptr = nat_info;
+        if (pjsua_var.ua_cfg.nat_type_in_sdp == 1) {
+            value.slen = pj_ansi_snprintf(nat_info, sizeof(nat_info),
+                                          "%d", pjsua_var.nat_type);
+        } else {
+            const char *type_name = pj_stun_get_nat_name(pjsua_var.nat_type);
+            value.slen = pj_ansi_snprintf(nat_info, sizeof(nat_info),
+                                          "%d %s",
+                                          pjsua_var.nat_type,
+                                          type_name);
+        }
+
+        a = pjmedia_sdp_attr_create(pool, "X-nat", &value);
+
+        pjmedia_sdp_attr_add(&sdp->attr_count, sdp->attr, a);
+
+    }
 
     if (pjsua_var.media_cfg.enable_ice) {