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  1. /***************************************************************************
  2.  *   Copyright (C) December 10, 2008 by Mattias Runge                             *
  3.  *   mattias@runge.se                                                      *
  4.  *   virtualmachine.h                                            *
  5.  *                                                                         *
  6.  *   This program is free software; you can redistribute it and/or modify  *
  7.  *   it under the terms of the GNU General Public License as published by  *
  8.  *   the Free Software Foundation; either version 2 of the License, or     *
  9.  *   (at your option) any later version.                                   *
  10.  *                                                                         *
  11.  *   This program is distributed in the hope that it will be useful,       *
  12.  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  13.  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  14.  *   GNU General Public License for more details.                          *
  15.  *                                                                         *
  16.  *   You should have received a copy of the GNU General Public License     *
  17.  *   along with this program; if not, write to the                         *
  18.  *   Free Software Foundation, Inc.,                                       *
  19.  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  20.  ***************************************************************************/
  21.  
  22. #ifndef _VIRTUALMACHINE_H
  23. #define _VIRTUALMACHINE_H
  24.  
  25. using namespace std;
  26.  
  27. #include <map>
  28. #include <string>
  29. #include <queue>
  30.  
  31. #include "../v8/include/v8.h"
  32. #include "../SyslogStream/syslogstream.h"
  33. #include "../Settings/settings.h"
  34. #include "../CanNet/cannetmanager.h"
  35. #include "../CanNet/canmessage.h"
  36. #include "../Threads/semaphore.h"
  37. #include "../Threads/threadsafequeue.h"
  38. #include "intervalthread.h"
  39.  
  40. using namespace v8;
  41.  
  42. Handle<Value> VirtualMachine_log(const Arguments& args);
  43. Handle<Value> VirtualMachine_sendCanMessage(const Arguments& args);
  44. Handle<Value> VirtualMachine_loadScript(const Arguments& args);
  45. Handle<Value> VirtualMachine_stopIntervalThread(const Arguments& args);
  46. Handle<Value> VirtualMachine_startIntervalThread(const Arguments& args);
  47.  
  48. class VirtualMachine : public Thread<VirtualMachine>
  49. {
  50. public:
  51.     static VirtualMachine& getInstance();
  52.     static void deleteInstance();
  53.  
  54.     void queueCanMessage(CanMessage canMessage);
  55.     void queueExpression(string expression);
  56.  
  57.     void run();
  58.  
  59.     bool loadScript(string scriptName);
  60.     unsigned int startIntervalThread(unsigned int timeout);
  61.     bool stopIntervalThread(unsigned int id);
  62.  
  63. private:
  64.     void callHandleHeartbeat(int hardwareId);
  65.     void callHandleMessage(CanMessage canMessage);
  66.     bool runExpression(string expression);
  67.  
  68.     VirtualMachine();
  69.     ~VirtualMachine();
  70.     static VirtualMachine* myInstance;
  71.  
  72.     Handle<Function> myFunctionHandleHeartbeat;
  73.     Handle<Function> myFunctionOfflineCheck;
  74.     Handle<Function> myFunctionHandleMessage;
  75.     Handle<Function> myFunctionStartup;
  76.  
  77.     Handle<ObjectTemplate> myGlobal;
  78.     HandleScope myHandleScope;
  79.     Handle<Context> myContext;
  80.  
  81.     Semaphore mySemaphore;
  82.  
  83.     ThreadSafeQueue<string> myExpressions;
  84.     ThreadSafeQueue<CanMessage> myCanMessages;
  85.  
  86.     map<int, IntervalThread> myIntervalThreads;
  87. };
  88.  
  89. #endif  /* _VIRTUALMACHINE_H */
  90.  
  91.