// 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_CHANNEL_DISPATCHER_BASE_H_
#define REMOTING_PROTOCOL_CHANNEL_DISPATCHER_BASE_H_
#include <string>
#include "base/basictypes.h"
#include "base/callback.h"
#include "base/memory/scoped_ptr.h"
namespace net {
class StreamSocket;
} // namespace net
namespace remoting {
namespace protocol {
struct ChannelConfig;
class ChannelFactory;
class Session;
// Base class for channel message dispatchers. It's responsible for
// creating the named channel. Derived dispatchers then dispatch
// incoming messages on this channel as well as send outgoing
// messages.
class ChannelDispatcherBase {
public:
// The callback is called when initialization is finished. The
// parameter is set to true on success.
typedef base::Callback<void(bool)> InitializedCallback;
virtual ~ChannelDispatcherBase();
// Creates and connects the channel in the specified
// |session|. Caller retains ownership of the Session.
void Init(Session* session,
const ChannelConfig& config,
const InitializedCallback& callback);
// Returns true if the channel is currently connected.
bool is_connected() { return channel() != NULL; }
protected:
explicit ChannelDispatcherBase(const char* channel_name);
net::StreamSocket* channel() { return channel_.get(); }
// Called when channel is initialized. Must be overriden in the
// child classes. Should not delete the dispatcher.
virtual void OnInitialized() = 0;
private:
void OnChannelReady(scoped_ptr<net::StreamSocket> socket);
std::string channel_name_;
ChannelFactory* channel_factory_;
InitializedCallback initialized_callback_;
scoped_ptr<net::StreamSocket> channel_;
DISALLOW_COPY_AND_ASSIGN(ChannelDispatcherBase);
};
} // namespace protocol
} // namespace remoting
#endif // REMOTING_PROTOCOL_CHANNEL_DISPATCHER_BASE_H_