00001 // 00002 // DownloadTransferBT.h 00003 // 00004 // Copyright (c) Shareaza Development Team, 2002-2005. 00005 // This file is part of SHAREAZA (www.shareaza.com) 00006 // 00007 // Shareaza is free software; you can redistribute it 00008 // and/or modify it under the terms of the GNU General Public License 00009 // as published by the Free Software Foundation; either version 2 of 00010 // the License, or (at your option) any later version. 00011 // 00012 // Shareaza is distributed in the hope that it will be useful, 00013 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 // GNU General Public License for more details. 00016 // 00017 // You should have received a copy of the GNU General Public License 00018 // along with Shareaza; if not, write to the Free Software 00019 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00020 // 00021 00022 #if !defined(AFX_DOWNLOADTRANSFERBT_H__80A2A47F_DE35_4DB3_ACF7_8B6BC023AD44__INCLUDED_) 00023 #define AFX_DOWNLOADTRANSFERBT_H__80A2A47F_DE35_4DB3_ACF7_8B6BC023AD44__INCLUDED_ 00024 00025 #pragma once 00026 00027 #include "DownloadTransfer.h" 00028 00029 class CBTClient; 00030 class CBTPacket; 00031 00032 00033 class CDownloadTransferBT : public CDownloadTransfer 00034 { 00035 // Construction 00036 public: 00037 CDownloadTransferBT(CDownloadSource* pSource, CBTClient* pClient); 00038 virtual ~CDownloadTransferBT(); 00039 00040 // Attributes 00041 public: 00042 CBTClient* m_pClient; 00043 BOOL m_bChoked; 00044 BOOL m_bInterested; 00045 public: 00046 BYTE* m_pAvailable; 00047 FF::SimpleFragmentQueue m_oRequested; 00048 DWORD m_tRunThrottle; 00049 DWORD m_tSourceRequest; 00050 00051 // Operations 00052 public: 00053 virtual BOOL Initiate(); 00054 virtual void Close(TRISTATE bKeepSource); 00055 virtual void Boost(); 00056 virtual DWORD GetAverageSpeed(); 00057 virtual DWORD GetMeasuredSpeed(); 00058 virtual CString GetStateText(BOOL bLong); 00059 virtual BOOL OnRun(); 00060 virtual BOOL OnConnected(); 00061 virtual BOOL SubtractRequested(FF::SimpleFragmentList& ppFragments); 00062 virtual BOOL UnrequestRange(QWORD nOffset, QWORD nLength); 00063 public: 00064 BOOL OnBitfield(CBTPacket* pPacket); 00065 BOOL OnHave(CBTPacket* pPacket); 00066 BOOL OnChoked(CBTPacket* pPacket); 00067 BOOL OnUnchoked(CBTPacket* pPacket); 00068 BOOL OnPiece(CBTPacket* pPacket); 00069 BOOL OnSourceResponse(CBTPacket* pPacket); 00070 void SendFinishedBlock(DWORD nBlock); 00071 protected: 00072 void Send(CBTPacket* pPacket, BOOL bRelease = TRUE); 00073 void ShowInterest(); 00074 BOOL SendRequests(); 00075 BOOL SelectFragment(const FF::SimpleFragmentList& oPossible, QWORD& nOffset, QWORD& nLength); 00076 }; 00077 00078 #endif // !defined(AFX_DOWNLOADTRANSFERBT_H__80A2A47F_DE35_4DB3_ACF7_8B6BC023AD44__INCLUDED_)