/***************************************************************************
 *   Copyright (C) 2005 by Jeff Ferr                                       *
 *   root@sat                                                              *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program 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, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
#ifndef J_CONNECTIONPIPE_H
#define J_CONNECTIONPIPE_H

#include "jthread.h"
#include "jinetaddress.h"
#include "jsocketoptions.h"
#include "jsocketinputstream.h"
#include "jsocketoutputstream.h"
#include "jconnection.h"

#include <string>

#ifdef _WIN32
#include <windows.h>
#else
#include <sys/socket.h>
#include <netinet/in.h>
#endif

namespace jsocket {

/**
 * \brief
 *
 */
enum jconnection_pipe_t {
	JCP_RECEIVER,
	JCP_SENDER
};
	
/**
 * \brief ConnectionPipe.
 *
 * \author Jeff Ferr
 */
class ConnectionPipe : public jsocket::Connection, public jthread::Thread{

	private:
		/** \brief Use to bind the socket in a free port. */
		static int _used_port;

#ifdef _WIN32
		/** \brief */
		HANDLE *_pipe;
		/** \brief */
		HANDLE _thread;
		/** \brief */
		DWORD _thread_id;
		/** \brief */
		DWORD _stackSize;
		/** \brief */
		DWORD _executeFlag;
		/** \brief */
		LPTHREAD_START_ROUTINE _threadFunction;
		/** \brief */
		LPVOID _threadArgument;
		/** \brief */
		LPSECURITY_ATTRIBUTES _sa;
#else
		/** \brief */
		int _pipe[2];
		/** \brief */
		pthread_t _thread;
#endif
		/** \brief */
		Connection *_connection;
		/** \brief */
		bool _stream;
		/** \brief */
		int _timeout;
		/** \brief */
		bool _is_running;
		/** \brief */
		int _current_send;
		/** \brief */
		int _sent_bytes;
		/** \brief */
		int _receive_bytes;
		/** \brief */
		int _size_pipe;
		/** \brief */
		jconnection_pipe_t _pipe_type;

		/**
		 * \brief Create a new socket.
		 *
		 */
		void main_pipe_receiver();

		/**
		 * \brief Create a new socket.
		 *
		 */
		void main_pipe_sender();

	public:
		/**
		 * \brief Construtor.
		 *
		 */
		ConnectionPipe(Connection *conn, jconnection_pipe_t type_, int size_pipe_ = 4096, int timeout_ = 0, bool stream_ = false);

		/**
		 * \brief Destructor virtual.
		 *
		 */
		virtual ~ConnectionPipe();

		/**
		 * \brief
		 *
		 */
		bool IsRunning();

		/**
		 * \brief Read data from a source.
		 *
		 */
		int Receive(char *data_, int size_, bool block_ = true);

		/**
		 * \brief Read data from a source.
		 *
		 */
		int Receive(char *data_, int size_, int time_);

		/**
		 * \brief Write data to a source.
		 *
		 */
		int Send(const char *data_, int size_, bool block_ = true);

		/**
		 * \brief Write data to a source.
		 *
		 */
		int Send(const char *data_, int size_, int time_);

		/**
		 * \brief Close the socket. The pipe would be interrupted before closed.
		 *
		 */
		void Close();

		/**
		 * \brief
		 *
		 */		
		virtual jsocket_t GetHandler();

		/**
		 * \brief
		 *
		 */
		virtual jio::InputStream * GetInputStream();

		/**
		 * \brief
		 *
		 */
		virtual jio::OutputStream * GetOutputStream();

		/**
		 * \brief Get sent bytes to destination.
		 *
		 */
		int64_t GetSentBytes();

		/**
		 * \brief Get received bytes from a source.
		 *
		 */
		int64_t GetReadedBytes();

		/**
		 * \brief
		 *
		 */
		virtual void Run();

};

}

#endif