Ping.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 PING_H
00024 #define PING_H
00025 
00026 #include "Packet.h"
00027 #include "Extensions/GgepBlock.h"
00028 
00029 // Open containing namespaces:
00030 namespace Gnutella {
00031 namespace Packets {
00033 
00035 
00048 class Ping : public Packet
00049 {
00050 public:
00051     static Ping &           castFrom (Packet & packet)              { return dynamic_cast <Ping &> (packet); }
00052     static const Ping &     castFrom (const Packet & packet)        { return dynamic_cast <const Ping &> (packet); }
00053 
00054                             Ping();
00055                             Ping (const QByteArray &rawHeader, const QByteArray &rawPayload);
00056                             ~Ping();
00057 
00058     Ping*                   copy() const                            { return new Ping (*this); }
00059 
00060     QString                 name() const { return QString ("Ping"); }
00061 
00062     const Extensions::GgepBlock &   ggepBlock() const               { return p.ggepBlock; }         
00063     void        setGgepBlock (const Extensions::GgepBlock &block)   { p.ggepBlock = block; invalidatePayload(); }           
00064 
00065 protected:
00066     bool        prepareReadPayload (const QByteArray &rawPayload);
00067     void        readPayload (QDataStream &stream);
00068     int         prepareWritePayload() const;
00069     void        writePayload (QDataStream &stream) const;
00070 
00071     struct Data
00072     {
00073         Extensions::GgepBlock   ggepBlock;
00074     } p;
00075 };
00076 
00077 // Close containing namespaces:
00078 } // namespace Packets
00079 } // namespace Gnutella
00081 
00082 #endif // PING_H