Marsyas  0.6.0-alpha
/usr/src/RPM/BUILD/marsyas-0.6.0/src/marsyas/sched/TmTimer.h
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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 #ifndef MARSYAS_TM_TIMER_H
00020 #define MARSYAS_TM_TIMER_H
00021 
00022 #include <marsyas/common_header.h>
00023 #include <marsyas/sched/TmParam.h>
00024 #include <marsyas/sched/TmControlValue.h>
00025 #include <marsyas/sched/EvEvent.h>
00026 #include <marsyas/Heap.h>
00027 
00028 #include <map>
00029 #include <iostream>
00030 #include <string>
00031 #include <vector>
00032 
00033 namespace Marsyas
00034 {
00042 class marsyas_EXPORT TmTimer
00043 {
00044 private:
00046   Heap<EvEvent, EvEventDispatchComparator> pq_;
00048   std::map<std::string, EvEvent*> events_;
00049   std::map<std::string, EvEvent*>::iterator events_iter_;
00050 
00051 protected:
00053   std::string type_;
00054 
00056   std::string name_;
00057 
00059   unsigned long cur_time_;
00060 
00061 //    mrs_natural granularity_;
00062 //    mrs_natural next_trigger_;
00063 
00064 protected:
00070   void init();
00071 
00072 public:
00073   // Constructors
00076   TmTimer(std::string type, std::string name);
00080   TmTimer(const TmTimer& t);
00081   virtual ~TmTimer();
00082 
00086   std::string getType();
00090   std::string getName();
00094   std::string getPrefix();
00095 
00096 //    virtual TmTimer* clone()=0;
00097 
00101   mrs_natural getTime();
00102 
00108   void tick();
00112   virtual void updtime();
00113 
00114   // timer methods
00122   virtual mrs_natural readTimeSrc()=0;
00123   // virtual mrs_natural getElapsedTimeSinceLastTick()=0;
00131   virtual void trigger();
00141   virtual mrs_natural intervalsize(std::string interval)=0;
00142 
00147   virtual void updtimer(std::string cname, TmControlValue value);
00148 
00152   void updtimer(TmParam& param);
00153 
00157   void updtimer(std::vector<TmParam> params);
00158 
00164   void post(std::string event_time, Repeat rep, EvEvent* me);
00169   void post(std::string event_time, EvEvent* me);
00175   void post(EvEvent* e);
00176 
00180   bool eventPending();
00181 
00190   void dispatch();
00191 
00192   // the usual stream IO
00193 //    friend ostream& operator<<(ostream&, Scheduler&);
00194 //    friend istream& operator>>(istream&, Scheduler&);
00195 };
00196 
00197 }//namespace Marsyas
00198 
00199 #endif