Cease all future TURN requests when a TURN refresh request fails.

webrtc/p2p/base/turnport.h

 /*
  *  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 123 matching lines @@
   // Parameters are port, server address and resolved server address.
   // This signal will be sent only if server address is resolved successfully.
   sigslot::signal3<TurnPort*,
                    const rtc::SocketAddress&,
                    const rtc::SocketAddress&> SignalResolvedServerAddress;
 
   // All public methods/signals below are for testing only.
   sigslot::signal2<TurnPort*, int> SignalTurnRefreshResult;
   sigslot::signal3<TurnPort*, const rtc::SocketAddress&, int>
       SignalCreatePermissionResult;
-  void FlushRequests() { request_manager_.Flush(); }
+  void FlushRequests(int msg_type) { request_manager_.Flush(msg_type); }
+  bool RequestsEmpty() { return request_manager_.empty(); }

[pthatcher1, 2016/01/05 00:10:03]

How about name this HasRequests() (with the opposite meaning)?

[honghaiz3, 2016/01/05 04:47:39]

Done.

   void set_credentials(RelayCredentials& credentials) {
     credentials_ = credentials;
   }
   // Finds the turn entry with |address| and sets its channel id.
   // Returns true if the entry is found.
   bool SetEntryChannelId(const rtc::SocketAddress& address, int channel_id);
 
  protected:
   TurnPort(rtc::Thread* thread,
            rtc::PacketSocketFactory* factory,
@@ skipping 16 matching lines @@
            const std::string& password,
            const ProtocolAddress& server_address,
            const RelayCredentials& credentials,
            int server_priority,
            const std::string& origin);
 
  private:
   enum {
     MSG_ALLOCATE_ERROR = MSG_FIRST_AVAILABLE,
     MSG_ALLOCATE_MISMATCH,
-    MSG_TRY_ALTERNATE_SERVER
+    MSG_TRY_ALTERNATE_SERVER,
+    MSG_REFRESH_ERROR
   };
 
   typedef std::list<TurnEntry*> EntryList;
   typedef std::map<rtc::Socket::Option, int> SocketOptionsMap;
   typedef std::set<rtc::SocketAddress> AttemptedServerSet;
 
   virtual void OnMessage(rtc::Message* pmsg);
 
   bool CreateTurnClientSocket();
 
   void set_nonce(const std::string& nonce) { nonce_ = nonce; }
   void set_realm(const std::string& realm) {
     if (realm != realm_) {
       realm_ = realm;
       UpdateHash();
     }
   }
 
   // Shuts down the turn port, usually because of some fatal errors.
   void Close();
-  void OnTurnRefreshError() { Close(); }
+  void OnTurnRefreshError();
   bool SetAlternateServer(const rtc::SocketAddress& address);
   void ResolveTurnAddress(const rtc::SocketAddress& address);
   void OnResolveResult(rtc::AsyncResolverInterface* resolver);
 
   void AddRequestAuthInfo(StunMessage* msg);
   void OnSendStunPacket(const void* data, size_t size, StunRequest* request);
   // Stun address from allocate success response.
   // Currently used only for testing.
   void OnStunAddress(const rtc::SocketAddress& address);
   void OnAllocateSuccess(const rtc::SocketAddress& address,
@@ skipping 63 matching lines @@
   friend class TurnEntry;
   friend class TurnAllocateRequest;
   friend class TurnRefreshRequest;
   friend class TurnCreatePermissionRequest;
   friend class TurnChannelBindRequest;
 };
 
 }  // namespace cricket
 
 #endif  // WEBRTC_P2P_BASE_TURNPORT_H_