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// Copyright 2015 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_HOST_IMPL_H_
#define REMOTING_PROTOCOL_CONNECTION_TO_HOST_IMPL_H_
#include <set>
#include <string>
#include "base/callback_forward.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/threading/non_thread_safe.h"
#include "remoting/proto/internal.pb.h"
#include "remoting/protocol/channel_dispatcher_base.h"
#include "remoting/protocol/clipboard_filter.h"
#include "remoting/protocol/connection_to_host.h"
#include "remoting/protocol/errors.h"
#include "remoting/protocol/input_filter.h"
#include "remoting/protocol/message_reader.h"
#include "remoting/protocol/monitored_video_stub.h"
#include "remoting/protocol/session.h"
#include "remoting/protocol/session_config.h"
#include "remoting/protocol/session_manager.h"
#include "remoting/signaling/signal_strategy.h"
namespace remoting {
class XmppProxy;
class VideoPacket;
namespace protocol {
class AudioReader;
class ClientControlDispatcher;
class ClientEventDispatcher;
class ClientVideoDispatcher;
class ConnectionToHostImpl : public ConnectionToHost,
public SignalStrategy::Listener,
public SessionManager::Listener,
public Session::EventHandler,
public ChannelDispatcherBase::EventHandler,
public base::NonThreadSafe {
public:
ConnectionToHostImpl();
~ConnectionToHostImpl() override;
// ConnectionToHost interface.
void set_candidate_config(scoped_ptr<CandidateSessionConfig> config) override;
void set_client_stub(ClientStub* client_stub) override;
void set_clipboard_stub(ClipboardStub* clipboard_stub) override;
void set_video_stub(VideoStub* video_stub) override;
void set_audio_stub(AudioStub* audio_stub) override;
void Connect(SignalStrategy* signal_strategy,
scoped_ptr<TransportFactory> transport_factory,
scoped_ptr<Authenticator> authenticator,
const std::string& host_jid,
HostEventCallback* event_callback) override;
const SessionConfig& config() override;
ClipboardStub* clipboard_forwarder() override;
HostStub* host_stub() override;
InputStub* input_stub() override;
State state() const override;
private:
void StartSession();
// SignalStrategy::StatusObserver interface.
void OnSignalStrategyStateChange(SignalStrategy::State state) override;
bool OnSignalStrategyIncomingStanza(const buzz::XmlElement* stanza) override;
// SessionManager::Listener interface.
void OnIncomingSession(
Session* session,
SessionManager::IncomingSessionResponse* response) override;
// Session::EventHandler interface.
void OnSessionStateChange(Session::State state) override;
void OnSessionRouteChange(const std::string& channel_name,
const TransportRoute& route) override;
// ChannelDispatcherBase::EventHandler interface.
void OnChannelInitialized(ChannelDispatcherBase* channel_dispatcher) override;
void OnChannelError(ChannelDispatcherBase* channel_dispatcher,
ErrorCode error) override;
// MonitoredVideoStub::EventHandler interface.
virtual void OnVideoChannelStatus(bool active);
void NotifyIfChannelsReady();
void CloseOnError(ErrorCode error);
// Stops writing in the channels.
void CloseChannels();
void SetState(State state, ErrorCode error);
std::string host_jid_;
std::string host_public_key_;
scoped_ptr<Authenticator> authenticator_;
HostEventCallback* event_callback_;
scoped_ptr<CandidateSessionConfig> candidate_config_;
// Stub for incoming messages.
ClientStub* client_stub_;
ClipboardStub* clipboard_stub_;
AudioStub* audio_stub_;
SignalStrategy* signal_strategy_;
scoped_ptr<SessionManager> session_manager_;
scoped_ptr<Session> session_;
scoped_ptr<MonitoredVideoStub> monitored_video_stub_;
scoped_ptr<ClientVideoDispatcher> video_dispatcher_;
scoped_ptr<AudioReader> audio_reader_;
scoped_ptr<ClientControlDispatcher> control_dispatcher_;
scoped_ptr<ClientEventDispatcher> event_dispatcher_;
ClipboardFilter clipboard_forwarder_;
InputFilter event_forwarder_;
// Internal state of the connection.
State state_;
ErrorCode error_;
private:
DISALLOW_COPY_AND_ASSIGN(ConnectionToHostImpl);
};
} // namespace protocol
} // namespace remoting
#endif // REMOTING_PROTOCOL_CONNECTION_TO_HOST_IMPL_H_
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