source: trunk/synergy/lib/net/TSocketMultiplexerMethodJob.h

/*
 * synergy -- mouse and keyboard sharing utility
 * Copyright (C) 2004 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 COPYING 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.
 */

#ifndef TSOCKERMULTIPLEXERMETHODJOB_H
#define TSOCKERMULTIPLEXERMETHODJOB_H

#include "ISocketMultiplexerJob.h"
#include "CArch.h"

//! Use a method as a socket multiplexer job
/*!
A socket multiplexer job class that invokes a member function.
*/
template <class T>
class TSocketMultiplexerMethodJob : public ISocketMultiplexerJob {
public:
        typedef ISocketMultiplexerJob*
                                (T::*Method)(ISocketMultiplexerJob*, bool, bool, bool);

        //! run() invokes \c object->method(arg)
        TSocketMultiplexerMethodJob(T* object, Method method,
                                                        CArchSocket socket, bool readable, bool writeable);
        virtual ~TSocketMultiplexerMethodJob();

        // IJob overrides
        virtual ISocketMultiplexerJob*
                                                run(bool readable, bool writable, bool error);
        virtual CArchSocket     getSocket() const;
        virtual bool            isReadable() const;
        virtual bool            isWritable() const;

private:
        T*                                      m_object;
        Method                          m_method;
        CArchSocket                     m_socket;
        bool                            m_readable;
        bool                            m_writable;
        void*                           m_arg;
};

template <class T>
inline
TSocketMultiplexerMethodJob<T>::TSocketMultiplexerMethodJob(T* object,
                                Method method, CArchSocket socket,
                                bool readable, bool writable) :
        m_object(object),
        m_method(method),
        m_socket(ARCH->copySocket(socket)),
        m_readable(readable),
        m_writable(writable)
{
        // do nothing
}

template <class T>
inline
TSocketMultiplexerMethodJob<T>::~TSocketMultiplexerMethodJob()
{
        ARCH->closeSocket(m_socket);
}

template <class T>
inline
ISocketMultiplexerJob*
TSocketMultiplexerMethodJob<T>::run(bool read, bool write, bool error)
{
        if (m_object != NULL) {
                return (m_object->*m_method)(this, read, write, error);
        }
        return NULL;
}

template <class T>
inline
CArchSocket
TSocketMultiplexerMethodJob<T>::getSocket() const
{
        return m_socket;
}

template <class T>
inline
bool
TSocketMultiplexerMethodJob<T>::isReadable() const
{
        return m_readable;
}

template <class T>
inline
bool
TSocketMultiplexerMethodJob<T>::isWritable() const
{
        return m_writable;
}

#endif