Remove ports that are not used by any channel after timeout

webrtc/p2p/base/fakeportallocator.h

 /*
  *  Copyright 2010 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 131 matching lines @@
   void StopGettingPorts() override { running_ = false; }
   bool IsGettingPorts() override { return running_; }
   void ClearGettingPorts() override {}
 
   std::vector<PortInterface*> ReadyPorts() const override {
     return ready_ports_;
   }
   std::vector<Candidate> ReadyCandidates() const override {
     return candidates_;
   }
+  void PruneAllPorts() override { port_->Prune(); }
   bool CandidatesAllocationDone() const override { return allocation_done_; }
 
   int port_config_count() { return port_config_count_; }
 
   const ServerAddresses& stun_servers() const { return stun_servers_; }
 
   const std::vector<RelayServerConfig>& turn_servers() const {
     return turn_servers_;
   }
 
@@ skipping 12 matching lines @@
 
  private:
   void AddPort(cricket::Port* port) {
     port->set_component(component());
     port->set_generation(generation());
     port->SignalPortComplete.connect(this,
                                      &FakePortAllocatorSession::OnPortComplete);
     port->PrepareAddress();
     ready_ports_.push_back(port);
     SignalPortReady(this, port);
+    port->KeepAliveUntilPruned();
   }
   void OnPortComplete(cricket::Port* port) {
     const std::vector<Candidate>& candidates = port->Candidates();
     candidates_.insert(candidates_.end(), candidates.begin(), candidates.end());
     SignalCandidatesReady(this, candidates);
 
     allocation_done_ = true;
     SignalCandidatesAllocationDone(this);
   }
   void OnPortDestroyed(cricket::PortInterface* port) {
@@ skipping 51 matching lines @@
  private:
   rtc::Thread* network_thread_;
   rtc::PacketSocketFactory* factory_;
   std::unique_ptr<rtc::BasicPacketSocketFactory> owned_factory_;
   bool initialized_ = false;
 };
 
 }  // namespace cricket
 
 #endif  // WEBRTC_P2P_BASE_FAKEPORTALLOCATOR_H_