Have.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__HAVE_H
00024 #define PROTOCOLS__BIT_TORRENT__PACKETS__HAVE_H
00025 
00026 #include "Imports.h"
00027 #include "PacketBase.h"
00028 
00029 namespace Protocols {
00030 namespace BitTorrent {
00031 namespace Packets {
00032 
00034 
00038 class Have: public PacketBase
00039 {
00040 public:
00041     QString name() const;
00042     auto_ptr <DataBase> copy() const;
00043 
00044     Have (quint32 pieceIndex = 0);
00045 
00046     quint32     pieceIndex() const;
00047     void        setPieceIndex (quint32);
00048 
00049 protected:
00050     // Unhide all overloads from the base class to avoid a compiler warning:
00051     using PacketBase::readPayload;
00052     using PacketBase::writePayload;
00053 
00054     void        readPayload (BinaryReader &);
00055     void        writePayload (BinaryWriter &) const;
00056 
00058 
00061     class Data: public PacketBase::Data
00062     {
00063         Q_SHARED_DATA_COPY (Data);
00064 
00065     public:
00066         quint32     pieceIndex;
00067     };
00068 
00069     Q_DECLARE_SHARED_DATA (Data);
00070 
00071 private:
00072     enum Constants
00073     {
00074         PayloadLength       = 4
00075     };
00076 };
00077 
00079 inline quint32 Have::pieceIndex() const
00080 { Q_SD (const Data); return d->pieceIndex; }
00081 
00083 inline void Have::setPieceIndex (quint32 pieceIndex)
00084 { Q_SD (Data); invalidatePayload(); d->pieceIndex = pieceIndex; }
00085 
00086 } // namespace Packets
00087 } // namespace BitTorrent
00088 } // namespace Protocols
00089 
00090 #endif // PROTOCOLS__BIT_TORRENT__PACKETS__HAVE_H