DeadSourceList.h

//this file is part of eMule
//Copyright (C)2002-2008 Merkur ( strEmail.Format("%s@%s", "devteam", "emule-project.net") / 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.

#pragma once
#include "otherfunctions.h"

///////////////////////////////////////////////////////////////////////////////////////
//// CDeadSource

class CDeadSource : public CObject{
public:
	CDeadSource(const CDeadSource& ds)			{*this = ds;}
	CDeadSource(uint32 dwID = 0, uint16 nPort = 0, uint32 dwServerIP = 0, uint16 nKadPort = 0);
	CDeadSource(const uchar* paucHash);

	CDeadSource& operator=(const CDeadSource& ds);
	friend bool operator==(const CDeadSource& ds1,const CDeadSource& ds2);
	
	uint32			m_dwID;
	uint32			m_dwServerIP;
	uint16			m_nPort;
	uint16			m_nKadPort;
	uchar			m_aucHash[16];			
};

template<> inline UINT AFXAPI HashKey(const CDeadSource& ds){
	uint32 hash = 0;
	if (ds.m_dwID != 0){
		hash = ds.m_dwID;
		if (IsLowID(ds.m_dwID))
			hash ^= ds.m_dwServerIP;
	}
	else{
		ASSERT( isnulmd4(ds.m_aucHash) == 0 );
		hash++;
		for (int i = 0;i != 16;i++)
			hash += (ds.m_aucHash[i]+1)*((i*i)+1);
	}
	return hash;
};

///////////////////////////////////////////////////////////////////////////////////////
//// CDeadSourceList
class CUpDownClient;
class CDeadSourceList 
{
public:
	CDeadSourceList(void);
	~CDeadSourceList(void);
	void		AddDeadSource(const CUpDownClient* pToAdd);
	void		RemoveDeadSource(const CUpDownClient* client);
	bool		IsDeadSource(const CUpDownClient* pToCheck) const;
	uint32		GetDeadSourcesCount() const { return m_mapDeadSources.GetCount(); }
	void		Init(bool bGlobalList);

protected:
	void		CleanUp();

private:
	CMap<CDeadSource, const CDeadSource&, uint32, uint32> m_mapDeadSources;
	uint32	m_dwLastCleanUp;
	bool	m_bGlobalList;
};