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/***************************************************************************
* Copyright (C) 2005 by Joris Guisson *
* joris.guisson@gmail.com *
* *
* 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., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef BTREQUEST_H
#define BTREQUEST_H
#include "globals.h"
namespace bt
{
/**
* @author Joris Guisson
* @brief Request of a piece sent to other peers
*
* This class keeps track of a request of a piece.
* The Request consists of an index (the index of the chunk),
* offset into the chunk and the length of a piece.
*
* The PeerID of the Peer who sent the request is also kept.
*/
class Request
{
public:
/**
* Constructor, set everything to 0.
*/
Request();
/**
* Constructor, set the index, offset,length and peer
* @param index The index of the chunk
* @param off The offset into the chunk
* @param len The length of the piece
* @param peer The ID of the Peer who sent the request
*/
Request(Uint32 index,Uint32 off,Uint32 len,Uint32 peer);
/**
* Copy constructor.
* @param r Request to copy
*/
Request(const Request & r);
virtual ~Request();
/// Get the index of the chunk
Uint32 getIndex() const {return index;}
/// Get the offset into the chunk
Uint32 getOffset() const {return off;}
/// Get the length of a the piece
Uint32 getLength() const {return len;}
/// Get the sending Peer
Uint32 getPeer() const {return peer;}
/**
* Assignmenth operator.
* @param r The Request to copy
*/
Request & operator = (const Request & r);
/**
* Compare two requests. Return true if they are the same.
* This only compares the index,offset and length.
* @param a The first request
* @param b The second request
* @return true if they are equal
*/
friend bool operator == (const Request & a,const Request & b);
private:
Uint32 index,off,len;
Uint32 peer;
};
}
#endif
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