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/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* Copyright (C) 2006 Tatsuhiro Tsujikawa
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* copyright --> */
#ifndef _D_PIECE_MESSAGE_H_
#define _D_PIECE_MESSAGE_H_
#include "PeerMessage.h"
#include "TorrentMan.h"
class PieceMessage : public PeerMessage {
private:
int index;
int begin;
char* block;
int blockLength;
int leftDataLength;
bool headerSent;
int pendingCount;
// for check
int pieces;
int pieceLength;
char msgHeader[13];
bool checkPieceHash(const Piece& piece);
void onGotNewPiece(Piece& piece);
void onGotWrongPiece(Piece& piece);
void erasePieceOnDisk(const Piece& piece);
int sendPieceData(long long int offset, int length) const;
public:
PieceMessage():PeerMessage(),
index(0), begin(0), block(NULL), blockLength(0),
leftDataLength(0), headerSent(false),
pendingCount(0),
pieces(0), pieceLength(0) {}
virtual ~PieceMessage() {
if(block != NULL) {
delete [] block;
}
}
enum ID_t {
ID = 7
};
int getIndex() const { return index; }
void setIndex(int index) { this->index = index; }
int getBegin() const { return begin; }
void setBegin(int begin) { this->begin = begin; }
const char* getBlock() const { return block; }
void setBlock(const char* block, int blockLength);
int getBlockLength() const { return blockLength; }
void setBlockLength(int blockLength) { this->blockLength = blockLength; }
void setPieces(int pieces) {
this->pieces = pieces;
}
int getPieces() const { return pieces;}
void setPieceLength(int pieceLength) {
this->pieceLength = pieceLength;
}
int getPieceLength() const { return pieceLength;}
void incrementPendingCount() { pendingCount++; }
bool isPendingCountMax() const { return pendingCount > 2; }
static PieceMessage* create(const char* data, int dataLength);
virtual int getId() const { return ID; }
virtual void receivedAction();
virtual const char* getMessageHeader();
virtual int getMessageHeaderLength();
virtual void send();
virtual void check() const;
virtual string toString() const;
};
#endif // _D_PIECE_MESSAGE_H_
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