PacketProtocol.h

00001 /*
00002 
00003 Copyright (C) 2006-2007 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__PACKET_PROTOCOL_H
00024 #define PROTOCOLS__BIT_TORRENT__PACKETS__PACKET_PROTOCOL_H
00025 
00026 #include "Imports.h"
00027 #include "Packet.h"
00028 
00029 namespace Protocols {
00030 namespace BitTorrent {
00031 namespace Packets {
00032 
00034 
00037 class PacketProtocol : public Generics::PacketProtocol
00038 {
00039 public:
00040     enum Constants
00041     {
00042         HeaderLength    = 4 
00043     };
00044 
00045     int             headerLength() const;
00046     int             payloadLength (const QByteArray &header) const;
00047     GenericsPacket  createPacket (const QByteArray &header,
00048                                   const QByteArray &payload) const;
00049 
00050 private:
00051     static Packet   getPacketFromTypeByte (uchar byte);
00052     static Packet   parsedOrBadPacket (Packet &packet,
00053                                        const QByteArray &rawHeader,
00054                                        const QByteArray &rawPayload);
00055 };
00056 
00057 } // namespace Packets
00058 } // namespace BitTorrent
00059 } // namespace Protocols
00060 
00061 #endif // PROTOCOLS__BIT_TORRENT__PACKETS__PACKET_PROTOCOL_H