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 * modification, are permitted provided that the following conditions are met:
 *
 *  - Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 *  - Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
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 *    contributors may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
 *
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#ifndef _PORT_FORWARD_REQUEST_H_
#define _PORT_FORWARD_REQUEST_H_

#include <string>

#if defined(__sun) || defined(_LINUX)
#ifndef SOCKET
#define SOCKET int
#endif
#endif

typedef int (*IsConnectionPermittedCallback)(void * const param, SOCKET s);

class PortForwardRequest
{
public:
	enum PORT_FORWARD_REQUEST_STATUS {
		NOT_ACTIVE,
		PENDING_REQUEST,
		LISTENING
	};

	PortForwardRequest(std::string bindedAddress, int port,
			   SOCKET listeningSocket,
			   IsConnectionPermittedCallback cb, bool isLocal) :
		_bindedAddress(bindedAddress),
		_port(port),
		_local(isLocal),
		_listeningSocket(listeningSocket),
		_cb(cb),
		_status(NOT_ACTIVE),
		_channelCount(0) {}

	const std::string GetBindedAddress() const { return _bindedAddress; }
	const unsigned int GetPort() const { return _port; }
	SOCKET GetListeningSocket() const { return _listeningSocket; }

	int IsConnectionPermitted(void *param, SOCKET s)
	{
		if (_cb != NULL) {
			return _cb(param, s);
		} else {
			return -1;
		}
	}

	PORT_FORWARD_REQUEST_STATUS GetStatus() { return _status; }
	bool IsLocal() { return _local; }
	bool SetStatus(PORT_FORWARD_REQUEST_STATUS newStatus) { _status = newStatus; return true; }
	unsigned int GetChannelCount() { return _channelCount; }
	unsigned int IncreaseChannelCount() { return ++_channelCount; }

	unsigned int DecreaseChannelCount()
	{
		if (_channelCount > 0) {
			--_channelCount;
		}
		return _channelCount;
	}


private:
	const std::string _bindedAddress;
	const unsigned int _port;
	const bool _local;
	const SOCKET _listeningSocket;
	const IsConnectionPermittedCallback _cb;
	PORT_FORWARD_REQUEST_STATUS _status;
	unsigned int _channelCount;
};

#endif