Move all the packet parsing logic into QuicDispatcher from the

net/tools/quic/quic_dispatcher.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // A server side dispatcher which dispatches a given client's data to their
 // stream.
 
 #ifndef NET_TOOLS_QUIC_QUIC_DISPATCHER_H_
 #define NET_TOOLS_QUIC_QUIC_DISPATCHER_H_
 
@@ skipping 58 matching lines @@
       const char* buffer, size_t buf_len,
       const IPAddressNumber& self_address,
       const IPEndPoint& peer_address,
       QuicBlockedWriterInterface* writer) OVERRIDE;
   virtual bool IsWriteBlockedDataBuffered() const OVERRIDE;
 
   // Process the incoming packet by creating a new session, passing it to
   // an existing session, or passing it to the TimeWaitListManager.
   virtual void ProcessPacket(const IPEndPoint& server_address,
                              const IPEndPoint& client_address,
-                             QuicGuid guid,
-                             bool has_version_flag,
                              const QuicEncryptedPacket& packet);
 
   // Called when the underyling connection becomes writable to allow
   // queued writes to happen.
   //
   // Returns true if more writes are possible, false otherwise.
   virtual bool OnCanWrite();
 
   // Sends ConnectionClose frames to all connected clients.
   void Shutdown();
@@ skipping 30 matching lines @@
     return time_wait_list_manager_.get();
   }
 
   QuicEpollConnectionHelper* helper() { return helper_.get(); }
   EpollServer* epoll_server() { return epoll_server_; }
 
   const QuicVersionVector& supported_versions() const {
     return supported_versions_;
   }
 
+ protected:
+  // Called by |framer_visitor_| when the public header has been parsed.
+  virtual bool OnUnauthenticatedPublicHeader(
+      const QuicPacketPublicHeader& header);
+
+  // Information about the packet currently being dispatched.
+  const IPEndPoint& current_client_address() {
+    return current_client_address_;
+  }
+  const IPEndPoint& current_server_address() {
+    return current_server_address_;
+  }
+  const QuicEncryptedPacket& current_packet() {
+    return *current_packet_;
+  }
+
  private:
+  class QuicFramerVisitor;
   friend class net::tools::test::QuicDispatcherPeer;
 
+  // Called by |framer_visitor_| when the private header has been parsed
+  // of a data packet that is destined for the time wait manager.
+  void OnUnauthenticatedHeader(const QuicPacketHeader& header);
+
   // Removes the session from the session map and write blocked list, and
   // adds the GUID to the time-wait list.
   void CleanUpSession(SessionMap::iterator it);
 
+  bool HandlePacketForTimeWait(const QuicPacketPublicHeader& header);
+
   // The list of connections waiting to write.
   WriteBlockedList write_blocked_list_;
 
   SessionMap session_map_;
 
   // Entity that manages guids in time wait state.
   scoped_ptr<QuicTimeWaitListManager> time_wait_list_manager_;
 
   // An alarm which deletes closed sessions.
   scoped_ptr<DeleteSessionsAlarm> delete_sessions_alarm_;
@@ skipping 15 matching lines @@
 
   // The writer to write to the socket with.
   scoped_ptr<QuicPacketWriter> writer_;
 
   // This vector contains QUIC versions which we currently support.
   // This should be ordered such that the highest supported version is the first
   // element, with subsequent elements in descending order (versions can be
   // skipped as necessary).
   const QuicVersionVector supported_versions_;
 
+  // Information about the packet currently being handled.
+  IPEndPoint current_client_address_;
+  IPEndPoint current_server_address_;
+  const QuicEncryptedPacket* current_packet_;
+
+  QuicFramer framer_;
+  scoped_ptr<QuicFramerVisitor> framer_visitor_;
+
   DISALLOW_COPY_AND_ASSIGN(QuicDispatcher);
 };
 
 }  // namespace tools
 }  // namespace net
 
 #endif  // NET_TOOLS_QUIC_QUIC_DISPATCHER_H_