#ifndef UDP_BIT_DHT_CLASS_H
#define UDP_BIT_DHT_CLASS_H

/*
 * bitdht/udpbitdht.h
 *
 * BitDHT: An Flexible DHT library.
 *
 * Copyright 2010 by Robert Fernie
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License Version 3 as published by the Free Software Foundation.
 *
 * 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library 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.
 *
 * Please report all bugs and problems to "bitdht@lunamutt.com".
 *
 */


#include <iosfwd>
#include <map>
#include <string>

#include "udp/udpstack.h"
#include "bitdht/bdiface.h"
#include "bitdht/bdmanager.h"

/* 
 * This implements a UdpSubReceiver class to allow the DHT to talk to the network.
 * The parser is very strict - and will try to not pick up anyone else's messages.
 *
 * Mutexes are implemented at this level protecting the whole of the DHT code.
 * This class is also a thread - enabling it to do callback etc.
 */

// class BitDhtCallback defined in bdiface.h 

	
class UdpBitDht: public UdpSubReceiver, public bdThread, public BitDhtInterface
{
	public:

	UdpBitDht(UdpPublisher *pub, bdNodeId *id, std::string dhtVersion, std::string bootstrapfile, bdDhtFunctions *fns);
virtual ~UdpBitDht();


	/*********** External Interface to the World (BitDhtInterface) ************/

	/***** Functions to Call down to bdNodeManager ****/
	/* Request DHT Peer Lookup */
	/* Request Keyword Lookup */
virtual	void addFindNode(bdNodeId *id, uint32_t mode);
virtual	void removeFindNode(bdNodeId *id);
virtual	void findDhtValue(bdNodeId *id, std::string key, uint32_t mode);

	/***** Add / Remove Callback Clients *****/
virtual	void addCallback(BitDhtCallback *cb);
virtual	void removeCallback(BitDhtCallback *cb);

        /***** Get Results Details *****/
virtual int getDhtPeerAddress(const bdNodeId *id, struct sockaddr_in &from);
virtual int getDhtValue(const bdNodeId *id, std::string key, std::string &value);

        /* stats and Dht state */
virtual int startDht();
virtual int stopDht();
virtual int stateDht(); 
virtual uint32_t statsNetworkSize();
virtual uint32_t statsBDVersionSize(); 

	/******************* Internals *************************/
	/***** Iteration / Loop Management *****/

	/*** Overloaded from UdpSubReceiver ***/
virtual int recvPkt(void *data, int size, struct sockaddr_in &from);
virtual int status(std::ostream &out);


	/*** Overloaded from iThread ***/
virtual void run();

	/**** do whats to be done ***/
	int tick();

	private:

	bdMutex dhtMtx; /* for all class data (below) */
	bdNodeManager *mBitDhtManager;
	bdDhtFunctions *mFns;
};


#endif