Marsyas  0.6.0-alpha
/usr/src/RPM/BUILD/marsyas-0.6.0/src/marsyas/sched/TmTimerManager.cpp
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00001 /*
00002 ** Copyright (C) 1998-2005 George Tzanetakis <gtzan@cs.uvic.ca>
00003 **
00004 ** This program is free software; you can redistribute it and/or modify
00005 ** it under the terms of the GNU General Public License as published by
00006 ** the Free Software Foundation; either version 2 of the License, or
00007 ** (at your option) any later version.
00008 **
00009 ** This program is distributed in the hope that it will be useful,
00010 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012 ** GNU General Public License for more details.
00013 **
00014 ** You should have received a copy of the GNU General Public License
00015 ** along with this program; if not, write to the Free Software
00016 ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00017 */
00018 
00019 #include <marsyas/sched/TmTimerManager.h>
00020 
00021 using namespace std;
00022 using namespace Marsyas;
00023 
00038 #define TimerCreateWrapper(_NAME) \
00039     struct Make##_NAME : public MakeTimer { \
00040         Make##_NAME() {}; ~Make##_NAME() {}; \
00041         TmTimer* make(std::string ident) { return new _NAME (ident); }; \
00042     }
00043 #define registerTimer(_NAME) registry_[#_NAME] = new Make##_NAME();
00044 
00045 # include "TmRealTime.h"
00046 # include "TmVirtualTime.h"
00047 
00048 TimerCreateWrapper(TmRealTime);
00049 TimerCreateWrapper(TmVirtualTime);
00050 
00051 TmTimerManager* TmTimerManager::instance_ = NULL;
00052 
00053 TmTimerManager::TmTimerManager()
00054 {
00055   addTimers();
00056 }
00057 
00058 TmTimerManager::~TmTimerManager()
00059 {
00060   delete instance_;
00061   instance_=NULL;
00062 }
00063 
00064 void TmTimerManager::addTimers()
00065 {
00066   // register your timers here!
00067   registerTimer(TmRealTime);
00068   registerTimer(TmVirtualTime);
00069 }
00070 
00071 TmTimerManager*
00072 TmTimerManager::getInstance()
00073 {
00074   if (instance_==NULL) {
00075     instance_=new TmTimerManager();
00076   }
00077   return instance_;
00078 }
00079 
00080 TmTimer*
00081 TmTimerManager::make(std::string class_name, std::string identifier)
00082 {
00083   MakeTimer* m = registry_[class_name];
00084   if (m==NULL) { // does the map always return NULL when key is not in the map??
00085     MRSWARN("TmTimerManager::make(string,string)  name '"+class_name+"' does not name a timer");
00086     return NULL;
00087   }
00088   return m->make(identifier);
00089 }
00090 
00091 TmTimer*
00092 TmTimerManager::make(std::string class_name, std::string identifier, std::vector<TmParam> params)
00093 {
00094   TmTimer* tmr = make(class_name,identifier);
00095   if(tmr!=NULL) {
00096     tmr->updtimer(params);
00097   }
00098   return tmr;
00099 }
00100