Make it possible to keep the port allocator session running

webrtc/p2p/client/basicportallocator.cc

 /*
  *  Copyright 2004 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 174 matching lines @@
   running_ = true;
   network_thread_->Post(this, MSG_CONFIG_START);
 
   if (flags() & PORTALLOCATOR_ENABLE_SHAKER)
     network_thread_->PostDelayed(ShakeDelay(), this, MSG_SHAKE);
 }
 
 void BasicPortAllocatorSession::StopGettingPorts() {
   ASSERT(rtc::Thread::Current() == network_thread_);
   running_ = false;
+  network_thread_->Post(this, MSG_CONFIG_STOP);
+  ClearGettingPorts();
+}
+
+void BasicPortAllocatorSession::ClearGettingPorts() {
   network_thread_->Clear(this, MSG_ALLOCATE);
   for (uint32 i = 0; i < sequences_.size(); ++i)
     sequences_[i]->Stop();
-  network_thread_->Post(this, MSG_CONFIG_STOP);
 }
 
 void BasicPortAllocatorSession::OnMessage(rtc::Message *message) {
   switch (message->message_id) {
   case MSG_CONFIG_START:
     ASSERT(rtc::Thread::Current() == network_thread_);
     GetPortConfigurations();
     break;
 
   case MSG_CONFIG_READY:
@@ skipping 962 matching lines @@
   ServerAddresses servers;
   for (size_t i = 0; i < relays.size(); ++i) {
     if (relays[i].type == turn_type && SupportsProtocol(relays[i], type)) {
       servers.insert(relays[i].ports.front().address);
     }
   }
   return servers;
 }
 
 }  // namespace cricket