Changeset 5055 for pjproject/trunk/pjsip/src/pjsip/sip_resolve.c

Timestamp:

Apr 8, 2015 10:10:44 AM (9 years ago)

Author:

riza

Message:

Re #1838: Enable application to provide its own external resolver implementation.

File:

• pjproject/trunk/pjsip/src/pjsip/sip_resolve.c (modified) (3 diffs)

pjproject/trunk/pjsip/src/pjsip/sip_resolve.c

@@ -71 +71 @@
 {
     pj_dns_resolver *res;
+    pjsip_ext_resolver *ext_res;
 };
 
@@ -115 +116 @@
 }
 
+/*
+ * Public API to set the DNS external resolver implementation for the SIP 
+ * resolver.
+ */
+PJ_DEF(pj_status_t) pjsip_resolver_set_ext_resolver(pjsip_resolver_t *res,
+                                                    pjsip_ext_resolver *ext_res)
+{
+    if (ext_res && !ext_res->resolve)
+        return PJ_EINVAL;
+
+    if (ext_res && res->res) {
+#if PJSIP_HAS_RESOLVER
+        pj_dns_resolver_destroy(res->res, PJ_FALSE);
+#endif
+        res->res = NULL;
+    }
+    res->ext_res = ext_res;
+    return PJ_SUCCESS;
+}
+
 
 /*
@@ -175 +196 @@
     struct query *query;
     pjsip_transport_type_e type = target->type;
+
+    /* If an external implementation has been provided use it instead */
+    if (resolver->ext_res) {
+        (*resolver->ext_res->resolve)(resolver, pool, target, token, cb);
+        return;
+    }
 
     /* Is it IP address or hostname? And if it's an IP, which version? */