Piece.h

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00001 /*
00002 
00003 Copyright (C) 2005-2007 by Peter Dimov.
00004 
00005 This file is part of Calitko (http://www.calitko.org).
00006 
00007 Calitko is free software; you can redistribute it and/or modify
00008 it under the terms of the GNU General Public License as published by
00009 the Free Software Foundation; either version 2 of the License, or
00010 (at your option) any later version.
00011 
00012 Calitko 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 Calitko; if not, write to the Free Software
00019 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00020 
00021 */
00022 
00023 #ifndef PROTOCOLS__BIT_TORRENT__PACKETS__PIECE_H
00024 #define PROTOCOLS__BIT_TORRENT__PACKETS__PIECE_H
00025 
00026 #include "Imports.h"
00027 #include "PacketBase.h"
00028 
00029 namespace Protocols {
00030 namespace BitTorrent {
00031 namespace Packets {
00032 
00034 
00037 class Piece: public PacketBase
00038 {
00039 public:
00040     QString name() const;
00041     auto_ptr <DataBase> copy() const;
00042 
00043     Piece (quint32 pieceIndex = 0, quint32 startOffset = 0, const QByteArray &pieceBytes = QByteArray());
00044 
00045     quint32     pieceIndex() const;
00046     void        setPieceIndex (quint32);
00047 
00048     quint32     startOffset() const;
00049     void        setStartOffset (quint32);
00050 
00051     QByteArray      pieceBytes() const;
00052     void        setPieceBytes (const QByteArray &);
00053 
00054 protected:
00055     // Unhide all overloads from the base class to avoid a compiler warning:
00056     using PacketBase::readPayload;
00057     using PacketBase::writePayload;
00058 
00059     void        readPayload (BinaryReader &);
00060     void        writePayload (BinaryWriter &) const;
00061 
00063 
00066     class Data: public PacketBase::Data
00067     {
00068         Q_SHARED_DATA_COPY (Data);
00069 
00070     public:
00071         quint32     pieceIndex;
00072         quint32     startOffset;
00073         QByteArray      pieceBytes;
00074     };
00075 
00076     Q_DECLARE_SHARED_DATA (Data);
00077 };
00078 
00080 inline quint32 Piece::pieceIndex() const
00081 { Q_SD (const Data); return d->pieceIndex; }
00082 
00084 inline void Piece::setPieceIndex (quint32 pieceIndex)
00085 { Q_SD (Data); invalidatePayload(); d->pieceIndex = pieceIndex; }
00086 
00088 inline quint32 Piece::startOffset() const
00089 { Q_SD (const Data); return d->startOffset; }
00090 
00092 inline void Piece::setStartOffset (quint32 startOffset)
00093 { Q_SD (Data); invalidatePayload(); d->startOffset = startOffset; }
00094 
00096 inline QByteArray Piece::pieceBytes() const
00097 { Q_SD (const Data); return d->pieceBytes; }
00098 
00100 inline void Piece::setPieceBytes (const QByteArray & pieceBytes)
00101 { Q_SD (Data); invalidatePayload(); d->pieceBytes = pieceBytes; }
00102 
00103 } // namespace Packets
00104 } // namespace BitTorrent
00105 } // namespace Protocols
00106 
00107 #endif // PROTOCOLS__BIT_TORRENT__PACKETS__PIECE_H