QueryRouting.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 QUERYROUTING_H
00024 #define QUERYROUTING_H
00025 
00026 #include "Packet.h"
00027 
00028 // Open containing namespaces:
00029 namespace Gnutella {
00030 namespace Packets {
00032 
00033 class QueryRouting : public Packet
00034 {
00035 public:
00036     ~QueryRouting();
00037 
00038     enum Variant {
00039         ResetVariant    = 0x0,
00040         PatchVariant    = 0x1,
00041         UnknownVariant
00042     };
00043 
00044     static QueryRouting &           castFrom (Packet & packet)              { return dynamic_cast <QueryRouting &> (packet); }
00045     static const QueryRouting &     castFrom (const Packet & packet)        { return dynamic_cast <const QueryRouting &> (packet); }
00046 
00047     Packet*                         copy() const = 0;
00048     Variant                         variant() const                         { return p.variant; }
00049 
00050 protected:
00051                     QueryRouting (const QByteArray &rawHeader, const QByteArray &rawPayload);
00052                     QueryRouting (Variant variant);
00053 
00054     bool            prepareReadPayload (const QByteArray &rawPayload) = 0;
00055     void            readPayload (QDataStream &stream) = 0;
00056     int             prepareWritePayload() const = 0;
00057     void            writePayload (QDataStream &stream) const = 0;
00058 
00059 private:
00060 
00061     struct Private
00062     {
00063         Variant     variant;
00064     } p;
00065 };
00066 
00067 // Close containing namespaces:
00068 } // namespace Packets
00069 } // namespace Gnutella
00071 
00072 #endif // QUERYROUTING_H