// $Id$
//
// Copyright (c) 1996-2004
//      The Regents of the University of California.  All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that: (1) source code distributions
// retain the above copyright notice and this paragraph in its entirety, (2)
// distributions including binary code include the above copyright notice and
// this paragraph in its entirety in the documentation or other materials
// provided with the distribution, and (3) all advertising materials mentioning
// features or use of this software display the following acknowledgement:
// ``This product includes software developed by the University of California,
// Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
// the University nor the names of its contributors may be used to endorse
// or promote products derived from this software without specific prior
// written permission.
// THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
// WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

#ifndef socks_h
#define socks_h

// SOCKS v4 analyzer.

#include "TCP.h"
#include "PIA.h"

namespace binpac  {
   namespace SOCKS {
	   class SOCKS_Conn;
   }
}


class SOCKS_Analyzer : public TCP_ApplicationAnalyzer {
public:
	SOCKS_Analyzer(Connection* conn);
	~SOCKS_Analyzer();

	void EndpointDone(bool orig);
	
	virtual void Done();
	virtual void DeliverStream(int len, const u_char* data, bool orig);
	virtual void Undelivered(int seq, int len, bool orig);
	virtual void EndpointEOF(TCP_Reassembler* endp);
	
	static Analyzer* InstantiateAnalyzer(Connection* conn)
		{ return new SOCKS_Analyzer(conn); }

	static bool Available()
		{
		return socks_request || socks_reply;
		}
	
protected:
	
	bool orig_done;
	bool resp_done;

	PIA_TCP *pia;
	binpac::SOCKS::SOCKS_Conn* interp;
};

#endif