00001 // $Id: IntervalTimer.cc 1781 2011-04-11 12:10:19Z tho $ 00002 // 00003 // Copyright (C) 2007 00004 // Fraunhofer (FOKUS) 00005 // Competence Center NETwork research (NET), St. Augustin, GERMANY 00006 // Stefan Bund <g0dil@berlios.de> 00007 // 00008 // This program is free software; you can redistribute it and/or modify 00009 // it under the terms of the GNU General Public License as published by 00010 // the Free Software Foundation; either version 2 of the License, or 00011 // (at your option) any later version. 00012 // 00013 // This program is distributed in the hope that it will be useful, 00014 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00015 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00016 // GNU General Public License for more details. 00017 // 00018 // You should have received a copy of the GNU General Public License 00019 // along with this program; if not, write to the 00020 // Free Software Foundation, Inc., 00021 // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 00022 00026 #include "IntervalTimer.hh" 00027 //#include "IntervalTimer.ih" 00028 00029 // Custom includes 00030 #include "EventManager.hh" 00031 00032 //#include "IntervalTimer.mpp" 00033 #define prefix_ 00034 //-///////////////////////////////////////////////////////////////////////////////////////////////// 00035 00036 //-///////////////////////////////////////////////////////////////////////////////////////////////// 00037 // senf::ppi::IntervalTimer 00038 00039 //-///////////////////////////////////////////////////////////////////////////////////////////////// 00040 // private members 00041 00042 prefix_ void senf::ppi::IntervalTimer::v_enable() 00043 { 00044 if (eventsPerInterval_ <= 0) 00045 return; 00046 info_.intervalStart = manager().now(); 00047 info_.number = 0; 00048 schedule(); 00049 } 00050 00051 prefix_ void senf::ppi::IntervalTimer::v_disable() 00052 { 00053 timer_.disable(); 00054 } 00055 00056 prefix_ void senf::ppi::IntervalTimer::schedule() 00057 { 00058 info_.expected = info_.intervalStart + ( interval_ * (info_.number+1) ) / eventsPerInterval_; 00059 timer_.timeout(info_.expected); 00060 } 00061 00062 prefix_ void senf::ppi::IntervalTimer::cb() 00063 { 00064 callback(info_, info_.expected); 00065 if (! enabled()) 00066 return; 00067 ++ info_.number; 00068 if (info_.number >= eventsPerInterval_) { 00069 info_.number = 0; 00070 info_.intervalStart += interval_; 00071 } 00072 schedule(); 00073 } 00074 00075 //-///////////////////////////////////////////////////////////////////////////////////////////////// 00076 #undef prefix_ 00077 //#include "IntervalTimer.mpp" 00078 00079 00080 // Local Variables: 00081 // mode: c++ 00082 // fill-column: 100 00083 // comment-column: 40 00084 // c-file-style: "senf" 00085 // indent-tabs-mode: nil 00086 // ispell-local-dictionary: "american" 00087 // compile-command: "scons -u test" 00088 // End: