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 GNUTELLA__PACKET_PROCESSING__DYNAMIC_SEARCHING__DYNAMIC_SEARCH_H 00024 #define GNUTELLA__PACKET_PROCESSING__DYNAMIC_SEARCHING__DYNAMIC_SEARCH_H 00025 00026 #include "Imports.h" 00027 00028 namespace Gnutella { 00029 namespace PacketProcessing { 00030 namespace DynamicSearching { 00031 00032 class DynamicSearchPrivate; 00033 00038 class DynamicSearch : public QObject 00039 { 00040 Q_OBJECT 00041 REFERENCE_OBJECT (DynamicSearch) 00042 00043 public: 00044 typedef QList <PacketSession *> Sessions; 00045 00046 DynamicSearch (const Query &, Sessions); 00047 ~DynamicSearch(); 00048 00049 void startSearch(); 00050 void stopSearch(); 00051 00052 void countHits (const QueryHits &); 00053 void countHits (const QueryStatusResponse &); 00054 00055 void addSession (PacketSession *session); 00056 void removeSession (PacketSession *session); 00057 00058 signals: 00059 void searchStopped (const Query &); 00060 void statusRequest (const QueryStatusRequest &); 00061 00062 private slots: 00063 void timeout(); 00064 00065 private: 00066 bool hasEnoughHits(); 00067 void doProbeQuery(); 00068 void doQuery(); 00069 void sendPacket (quint16 sessionsCount, bool dropSessions = true); 00070 void sendStatusRequest(); 00071 quint32 hostsPerConnection(quint16 ttl); 00072 qint16 computeTtl(quint32 hostToQuery, quint16 numConnections); 00073 00074 private: 00075 DynamicSearchPrivate *p; 00076 }; 00077 00078 } // namespace DynamicSearching 00079 } // namespace PacketProcessing 00080 } // namespace Gnutella 00081 00082 #endif // GNUTELLA__PACKET_PROCESSING__DYNAMIC_SEARCHING__DYNAMIC_SEARCH_H