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/*
* barrier -- mouse and keyboard sharing utility
* Copyright (C) 2012-2016 Symless Ltd.
* Copyright (C) 2002 Chris Schoeneman
*
* This package is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* found in the file LICENSE that should have accompanied this file.
*
* This package is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "net/IDataSocket.h"
#include "net/ISocketMultiplexerJob.h"
#include "io/StreamBuffer.h"
#include "mt/CondVar.h"
#include "mt/Mutex.h"
#include "arch/IArchNetwork.h"
#include <memory>
class Mutex;
class Thread;
class IEventQueue;
class SocketMultiplexer;
//! TCP data socket
/*!
A data socket using TCP.
*/
class TCPSocket : public IDataSocket {
public:
TCPSocket(IEventQueue* events, SocketMultiplexer* socketMultiplexer, IArchNetwork::EAddressFamily family);
TCPSocket(IEventQueue* events, SocketMultiplexer* socketMultiplexer, ArchSocket socket);
virtual ~TCPSocket();
// ISocket overrides
virtual void bind(const NetworkAddress&);
virtual void close();
virtual void* getEventTarget() const;
// IStream overrides
virtual UInt32 read(void* buffer, UInt32 n);
virtual void write(const void* buffer, UInt32 n);
virtual void flush();
virtual void shutdownInput();
virtual void shutdownOutput();
virtual bool isReady() const;
virtual bool isFatal() const;
virtual UInt32 getSize() const;
// IDataSocket overrides
virtual void connect(const NetworkAddress&);
virtual std::unique_ptr<ISocketMultiplexerJob> newJob();
protected:
enum EJobResult {
kBreak = -1, //!< Break the Job chain
kRetry, //!< Retry the same job
kNew //!< Require a new job
};
ArchSocket getSocket() { return m_socket; }
IEventQueue* getEvents() { return m_events; }
virtual EJobResult doRead();
virtual EJobResult doWrite();
void removeJob();
void setJob(std::unique_ptr<ISocketMultiplexerJob>&& job);
MultiplexerJobStatus newJobOrStopServicing();
bool isReadable() { return m_readable; }
bool isWritable() { return m_writable; }
Mutex& getMutex() { return m_mutex; }
void sendEvent(Event::Type);
void discardWrittenData(int bytesWrote);
private:
void init();
void sendConnectionFailedEvent(const char*);
void onConnected();
void onInputShutdown();
void onOutputShutdown();
void onDisconnected();
MultiplexerJobStatus serviceConnecting(ISocketMultiplexerJob*, bool, bool, bool);
MultiplexerJobStatus serviceConnected(ISocketMultiplexerJob*, bool, bool, bool);
protected:
bool m_readable;
bool m_writable;
bool m_connected;
IEventQueue* m_events;
StreamBuffer m_inputBuffer;
StreamBuffer m_outputBuffer;
private:
Mutex m_mutex;
ArchSocket m_socket;
CondVar<bool> m_flushed;
SocketMultiplexer* m_socketMultiplexer;
};
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