UdpHostCache.h

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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 GNUTELLA__BOOTSTRAPPING__UDP_HOST_CACHE_H
00024 #define GNUTELLA__BOOTSTRAPPING__UDP_HOST_CACHE_H
00025 
00026 #include "Imports.h"
00027 
00028 // Open containing namespaces:
00029 namespace Gnutella {
00030 namespace Bootstrapping {
00032 
00033 struct CacheInfo;
00034 class PingHandler;
00035 class UdpHostCachePrivate;
00036 
00038 
00041 class UdpHostCache : public QObject
00042 {
00043     Q_OBJECT
00044     REFERENCE_OBJECT (UdpHostCache)
00045 
00046 public:
00047             UdpHostCache (UdpSwitch *, PingHandler *);
00048             ~UdpHostCache();
00049 
00050     bool    loadCaches (const QString &filename);
00051     bool    storeCaches (const QString &filename);
00052 
00053 public slots:
00054     void    addCache (const NodeAddress &);
00055     void    removeCache (const NodeAddress &);
00056     void    queryCache();
00057     void    queryNode (const NodeAddress &);
00058 
00059 signals:
00060     void    receivedPong (const Pong &);
00061 
00062 private slots:
00063     void    connectionAcceptedSlot (UdpConnection *);
00064     void    connectionFailedSlot();
00065     void    connectionEstablishedSlot();
00066     void    processPacket (Packet &, PacketSession *);
00067     void    closeSession (PacketSession *);
00068 
00069 private:
00070     void                    doQuery (const NodeAddress &, CacheInfo *);
00071     PacketSession *         createSession (UdpConnection *);
00072 
00073     UdpHostCachePrivate     *p;
00074 };
00075 
00076 // Close containing namespaces:
00077 } // namespace Bootstrapping
00078 } // namespace Gnutella
00080 
00081 #endif // GNUTELLA__BOOTSTRAPPING__UDP_HOST_CACHE
00082