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92 lines
3.0 KiB
92 lines
3.0 KiB
/***************************************************************************
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* Copyright (C) 2005 by Joris Guisson *
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* joris.guisson@gmail.com *
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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 *
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* Free Software Foundation, Inc., *
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
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***************************************************************************/
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#ifndef BTPACKET_H
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#define BTPACKET_H
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#include "globals.h"
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class TQString;
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namespace bt
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{
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class BitSet;
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class Request;
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class Chunk;
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class Peer;
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/**
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* @author Joris Guisson
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*
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* Packet off data, which gets sent to a Peer
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*/
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class Packet
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{
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Uint8* data;
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Uint32 size;
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Uint32 written;
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public:
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Packet(Uint8 type);
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Packet(Uint16 port);
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Packet(Uint32 chunk,Uint8 type);
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Packet(const BitSet & bs);
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Packet(const Request & req,Uint8 type);
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Packet(Uint32 index,Uint32 begin,Uint32 len,Chunk* ch);
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Packet(Uint8 ext_id,const TQByteArray & ext_data); // extension protocol packet
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virtual ~Packet();
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Uint8 getType() const {return data ? data[4] : 0;}
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bool isOK() const;
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const Uint8* getData() const {return data;}
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Uint32 getDataLength() const {return size;}
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Uint32 isSent() const {return written == size;}
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/**
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* If this packet is a piece, make a reject for it.
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* @return The newly created Packet, 0 if this is not a piece
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*/
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Packet* makeRejectOfPiece();
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/// Are we sending this packet ?
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bool sending() const {return written > 0;}
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/**
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* Is this a piece packet which matches a request
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* @param req The request
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* @return If this is a piece in response of this request
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*/
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bool isPiece(const Request & req) const;
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/**
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* Put the packet in an output buffer.
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* @param buf The buffer
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* @param max_to_put Maximum bytes to put
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* @param piece Set to true if this is a piece
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* @return The number of bytes put in the buffer
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*/
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Uint32 putInOutputBuffer(Uint8* buf,Uint32 max_to_put,bool & piece);
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};
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}
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#endif
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