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/*
 *
 *  D-Bus++ - C++ bindings for D-Bus
 *
 *  Copyright (C) 2005-2007  Paolo Durante <shackan@gmail.com>
 *
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#ifndef DBUSXX_PIPE_H
#define DBUSXX_PIPE_H

/* Project */
#include "api.h"

/* STD */
#include <cstdlib>

namespace DBus {

class DXXAPI Pipe
{
public:
	/*!
	 * Write some data into the communication pipe.
	 *
	 * @param buffer The raw data to write.
	 * @param nbytes The number of bytes to write from the buffer.
	 */
	void write(const void *buffer, unsigned int nbytes);

	/*!
	 * Simply write one single byte into the pipe. This is a shortcut
	 * if there's really no data to transport, but to activate the handler.
	 */
	void signal();
	
private:
	void(*_handler)(const void *data, void *buffer, unsigned int nbyte);
	int fd_write;
  int fd_read;
	const void *data;
	
	// allow construction only in BusDispatcher
	Pipe ();
	~Pipe () {};

friend class BusDispatcher;
};

} /* namespace DBus */

#endif // DBUSXX_PIPE_H