/**
 * CRXProxy.h
 */
#ifndef __CRXPROXY_H__
#define __CRXPROXY_H__

#include "CRXException.h"
#include "CRXSocket.h"
#include "CRXHttpMessage.h"
#include "CRXHttpRequest.h"
#include "CRXHttpResponse.h"
#include "CRXFilter.h"

#define ERROR_PROXY								-10000
#define ERROR_PROXY_FAILED_TO_RECEIVE_REQUEST	ERROR_PROXY - 1
#define ERROR_PROXY_FAILED_TO_SEND_REQUEST		ERROR_PROXY - 2
#define ERROR_PROXY_FAILED_TO_RECEIVE_RESPONSE	ERROR_PROXY - 3
#define ERROR_PROXY_FAILED_TO_SEND_RESPONSE		ERROR_PROXY - 4
#define ERROR_PROXY_FAILED_TO_CONNECT_TO_SERVER	ERROR_PROXY - 5
#define ERROR_PROXY_FAILED_TO_SET_RESPONSE		ERROR_PROXY - 6


class CRXProxy : public CRXException
{
private:
	bool				mIsIntercepted;

	CRXSocket			mClient;
	CRXSocket			mServer;

	CRXHttpRequest		mHttpRequest;
	CRXHttpResponse		mHttpResponse;

	static CRXFilter	mFilter;

public:
	CRXProxy			(void);
	~CRXProxy			(void);

	static CRXProxy *	GetNewInstance	(void);

public:
	/* common utilities */
	void	ReleaseInstance				(void);

	void	SetClientSocket				(const int	aSocket);
	void	Close						(void);

public:
	/* interface to filter */
	void	SetRequestFilter			(const E_CRX_FILTER_REQUEST	aType,
										 const bool					aIsMatched,
										 const std::string			aValue);
	void	RemoveRequestFilter			(const E_CRX_FILTER_REQUEST	aType);
	bool	CheckRequestFilter			(const E_CRX_FILTER_REQUEST	aType);

public:
	/* for communication */
	int		Forward						(void);

	void	SetHttpRequest				(const char	* aHttpRequest);
	char *	GetHttpRequest				(char		* aBuffer,
										 const int	aBufferSize) const;
	int		GetHttpRequestLength		(void) const;

	void	SetHttpResponse				(const char	* aHttpResponse);
	char *	GetHttpResponse				(char		* aBuffer,
										 const int	aBufferSize) const;
	int		GetHttpResponseLength		(void) const;
	
	int		ReceiveRequest				(void);
	int		SendRequest					(void);

	int		ReceiveResponse				(void);
	int		SendResponse				(void);
};

#endif // #ifndef __CRXPROXY_H__