Add logs when stun or turn host lookup is completed.

webrtc/p2p/base/turnport.cc

 /*
  *  Copyright 2012 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 594 matching lines @@
 
   // Insert the current address to prevent redirection pingpong.
   attempted_server_addresses_.insert(server_address_.address);
   return true;
 }
 
 void TurnPort::ResolveTurnAddress(const rtc::SocketAddress& address) {
   if (resolver_)
     return;
 
+  LOG_J(LS_INFO, this) << "Starting TURN host lookup for "
+                       << address.ToSensitiveString();
   resolver_ = socket_factory()->CreateAsyncResolver();
   resolver_->SignalDone.connect(this, &TurnPort::OnResolveResult);
   resolver_->Start(address);
 }
 
 void TurnPort::OnResolveResult(rtc::AsyncResolverInterface* resolver) {
   ASSERT(resolver == resolver_);
   // If DNS resolve is failed when trying to connect to the server using TCP,
   // one of the reason could be due to DNS queries blocked by firewall.
   // In such cases we will try to connect to the server with hostname, assuming
@@ skipping 802 matching lines @@
   // bind request as per http://tools.ietf.org/html/rfc5766#section-11.3
   if (code == STUN_ERROR_STALE_NONCE) {
     if (port_->UpdateNonce(response)) {
       // Send channel bind request with fresh nonce.
       SendChannelBindRequest(0);
     }
   }
 }
 
 }  // namespace cricket