More plumbing for logging connection IP addresses

remoting/protocol/connection_to_client.h

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
 #ifndef REMOTING_PROTOCOL_CONNECTION_TO_CLIENT_H_
 #define REMOTING_PROTOCOL_CONNECTION_TO_CLIENT_H_
 
 #include <deque>
+#include <string>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/non_thread_safe.h"
 #include "remoting/protocol/session.h"
 #include "remoting/protocol/video_writer.h"
 
+namespace net {
+class IPEndPoint;
+}  // namespace net
+
 namespace remoting {
 namespace protocol {
 
 class ClientStub;
 class HostStub;
 class InputStub;
 class HostControlDispatcher;
 class HostEventDispatcher;
 
 // This class represents a remote viewer connection to the chromoting
@@ skipping 11 matching lines @@
     // Called when the network connection is closed.
     virtual void OnConnectionClosed(ConnectionToClient* connection) = 0;
 
     // Called when the network connection has failed.
     virtual void OnConnectionFailed(ConnectionToClient* connection,
                                     Session::Error error) = 0;
 
     // Called when sequence number is updated.
     virtual void OnSequenceNumberUpdated(ConnectionToClient* connection,
                                          int64 sequence_number) = 0;
+
+    // Called on notification of a route change event, which happens when a
+    // channel is connected.
+    virtual void OnClientIpAddress(ConnectionToClient* connection,
+                                   const std::string& channel_name,
+                                   const net::IPEndPoint& end_point) = 0;
   };
 
   // Constructs a ConnectionToClient object for the |session|. Takes
   // ownership of |session|.
   explicit ConnectionToClient(Session* session);
   virtual ~ConnectionToClient();
 
-  // Set |event_handler| for connection events. |event_handler| is
-  // guaranteed to be used only on the network thread. Must be called
-  // once when this object is created.
+  // Set |event_handler| for connection events. Must be called once when this
+  // object is created.
   void SetEventHandler(EventHandler* event_handler);
 
   // Returns the connection in use.
   virtual Session* session();
 
   // Disconnect the client connection.
   virtual void Disconnect();
 
   // Update the sequence number when received from the client. EventHandler
   // will be called.
   virtual void UpdateSequenceNumber(int64 sequence_number);
 
   // Send encoded update stream data to the viewer.
   virtual VideoStub* video_stub();
 
   // Return pointer to ClientStub.
   virtual ClientStub* client_stub();
 
   // These two setters should be called before Init().
   virtual void set_host_stub(HostStub* host_stub);
   virtual void set_input_stub(InputStub* input_stub);
 
  private:
   // Callback for protocol Session.
   void OnSessionStateChange(Session::State state);
 
+  void OnSessionRouteChange(const std::string& channel_name,
+                            const net::IPEndPoint& end_point);
+
   // Callback for channel initialization.
   void OnChannelInitialized(bool successful);
 
   void NotifyIfChannelsReady();
 
   void CloseOnError();
 
   // Stops writing in the channels.
   void CloseChannels();
 
@@ skipping 11 matching lines @@
   scoped_ptr<HostEventDispatcher> event_dispatcher_;
   scoped_ptr<VideoWriter> video_writer_;
 
   DISALLOW_COPY_AND_ASSIGN(ConnectionToClient);
 };
 
 }  // namespace protocol
 }  // namespace remoting
 
 #endif  // REMOTING_PROTOCOL_CONNECTION_TO_CLIENT_H_