mirror of https://github.com/aria2/aria2
116 lines
3.5 KiB
C++
116 lines
3.5 KiB
C++
/* <!-- copyright */
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/*
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* aria2 - The high speed download utility
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*
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* Copyright (C) 2006 Tatsuhiro Tsujikawa
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link the code of portions of this program with the
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* OpenSSL library under certain conditions as described in each
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* individual source file, and distribute linked combinations
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* including the two.
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* You must obey the GNU General Public License in all respects
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* for all of the code used other than OpenSSL. If you modify
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* file(s) with this exception, you may extend this exception to your
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* version of the file(s), but you are not obligated to do so. If you
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* do not wish to do so, delete this exception statement from your
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* version. If you delete this exception statement from all source
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* files in the program, then also delete it here.
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*/
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/* copyright --> */
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#ifndef D_BT_PIECE_MESSAGE_H
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#define D_BT_PIECE_MESSAGE_H
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#include "AbstractBtMessage.h"
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namespace aria2 {
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class Piece;
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class DownloadContext;
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class PeerStorage;
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class BtPieceMessage : public AbstractBtMessage {
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private:
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size_t index_;
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int32_t begin_;
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int32_t blockLength_;
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const unsigned char* data_;
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SharedHandle<DownloadContext> downloadContext_;
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SharedHandle<PeerStorage> peerStorage_;
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static size_t MESSAGE_HEADER_LENGTH;
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bool checkPieceHash(const SharedHandle<Piece>& piece);
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void onNewPiece(const SharedHandle<Piece>& piece);
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void onWrongPiece(const SharedHandle<Piece>& piece);
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void pushPieceData(int64_t offset, int32_t length) const;
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public:
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BtPieceMessage(size_t index = 0, int32_t begin = 0, int32_t blockLength = 0);
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virtual ~BtPieceMessage();
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static const uint8_t ID = 7;
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static const char NAME[];
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size_t getIndex() const { return index_; }
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void setIndex(size_t index) { index_ = index; }
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int32_t getBegin() const { return begin_; }
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void setBegin(int32_t begin) { begin_ = begin; }
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const unsigned char* getBlock() const { return data_+9; }
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int32_t getBlockLength() const { return blockLength_; }
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// Sets message payload data. Caller must not change or free data
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// before doReceivedAction().
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void setMsgPayload(const unsigned char* data);
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void setBlockLength(int32_t blockLength) { blockLength_ = blockLength; }
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void setDownloadContext(const SharedHandle<DownloadContext>& downloadContext);
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void setPeerStorage(const SharedHandle<PeerStorage>& peerStorage);
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static BtPieceMessage* create(const unsigned char* data, size_t dataLength);
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virtual void doReceivedAction();
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void createMessageHeader(unsigned char* msgHeader) const;
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size_t getMessageHeaderLength();
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virtual void send();
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virtual std::string toString() const;
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virtual void onChokingEvent(const BtChokingEvent& event);
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virtual void onCancelSendingPieceEvent
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(const BtCancelSendingPieceEvent& event);
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};
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} // namespace aria2
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#endif // D_BT_PIECE_MESSAGE_H
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