search.h

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/*
Copyright (C)2003 Barry Dunne (http://www.emule-project.net)

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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

// Note To Mods //
/*
Please do not change anything here and release it..
There is going to be a new forum created just for the Kademlia side of the client..
If you feel there is an error or a way to improve something, please
post it in the forum first and let us look at it.. If it is a real improvement,
it will be added to the offical client.. Changing something without knowing
what all it does can cause great harm to the network if released in mass form..
Any mod that changes anything within the Kademlia side will not be allowed to advertise
there client on the eMule forum..
*/
#pragma once
#include "SearchManager.h"
#include "../routing/Maps.h"
#include "../utils/UInt128.h"
#include "../io/ByteIO.h"

class CKnownFile;
class CSafeMemFile;

////////////////////////////////////////
namespace Kademlia {
////////////////////////////////////////

typedef std::list<CTag*> TagList;

class CSearch
{
	friend class CSearchManager;

public:
	uint32 getSearchID() {return m_searchID;}
	uint32 getSearchTypes() {return m_type;}
	void setSearchTypes( uint32 val ) {m_type = val;}
	uint32 getCount() {if(bio2 == NULL)return m_count;else if(bio3 == NULL)return m_count/2;else return m_count/3;}
	uint32 getCountSent() {return m_countSent;}
	CUInt128 m_keywordPublish; //Need to make this private...
	byte packet1[1024*50];
	byte packet2[1024*50];
	byte packet3[1024*50];
	CByteIO *bio1;
	CByteIO *bio2;
	CByteIO *bio3;
	CString getFileName(void) {return m_fileName;}
	CUInt128 getTarget(void) {return m_target;}
	void addFileID(const CUInt128& id);
	void PreparePacket(void);
	void PreparePacketForTags( CByteIO* packet, CKnownFile* file );
	bool Stoping(void) {return m_stoping;}

	enum
	{
		NODE,
		NODECOMPLETE,
		FILE,
		KEYWORD,
		STOREFILE,
		STOREKEYWORD
	};

	CSearch();
	~CSearch();

private:
	void go(void);
	void processResponse(const CUInt128 &target, uint32 fromIP, uint16 fromPort, ContactList *results);
	void processResult(const CUInt128 &target, uint32 fromIP, uint16 fromPort, const CUInt128 &answer, TagList *info);
	void processResultFile(const CUInt128 &target, uint32 fromIP, uint16 fromPort, const CUInt128 &answer, TagList *info);
	void processResultKeyword(const CUInt128 &target, uint32 fromIP, uint16 fromPort, const CUInt128 &answer, TagList *info);
	void jumpStart(void);
	void sendFindValue(const CUInt128 &target, const CUInt128 &check, uint32 ip, uint16 port);
	void prepareToStop(void);

	bool		m_stoping;
	time_t		m_created;
	uint32		m_type;
	uint32		m_count; //Used for gui reasons.. May not be needed later..
	uint32		m_countSent; //Used for gui reasons.. May not be needed later..

	uint32		m_searchID;
	CUInt128	m_target;
	CSafeMemFile *m_searchTerms;
	WordList	m_words;
	CString		m_fileName;
	UIntList	m_fileIDs;

	ContactMap	m_possible;
	ContactMap	m_tried;
	ContactMap	m_responded;
	ContactMap	m_best;
	ContactList	m_delete;
};

} // End namespace