NodeCacheFilters.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__NODE_CACHE_FILTERS_H
00024 #define GNUTELLA__BOOTSTRAPPING__NODE_CACHE_FILTERS_H
00025 
00026 #include "Imports.h"
00027 
00028 // Open containing namespaces:
00029 namespace Gnutella {
00030 namespace Bootstrapping {
00032 
00033 class HighUptimeHost
00034 {
00035 public:
00036     HighUptimeHost(uint minimalUptime)
00037     : minimalUptime_ (minimalUptime) {}
00038 
00039     bool operator() (const NodeInfo &nodeInfo) const
00040     { return nodeInfo.dailyUptime >= minimalUptime_; }
00041 
00042 private:
00043     int minimalUptime_;
00044 };
00045 
00046 class HasUltrapeerSlots
00047 {
00048 public:
00049     bool operator() (const NodeInfo &nodeInfo) const
00050     { return nodeInfo.freeUltrapeerSlots > 0; }
00051 };
00052 
00053 class HasLeafSlots
00054 {
00055 public:
00056     bool operator() (const NodeInfo &nodeInfo) const
00057     { return nodeInfo.freeLeafSlots > 0; }
00058 };
00059 
00060 // Close containing namespaces:
00061 } // namespace Bootstrapping
00062 } // namespace Gnutella
00064 
00065 #endif // GNUTELLA__BOOTSTRAPPING__NODE_CACHE_FILTERS_H