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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_clearInterval(const Arguments& args);
  46. Handle<Value> VirtualMachine_setTimeout(const Arguments& args);
  47. Handle<Value> VirtualMachine_setInterval(const Arguments& args);
  48.  
  49. class VirtualMachine : public Thread<VirtualMachine>
  50. {
  51. public:
  52.     static VirtualMachine& getInstance();
  53.     static void deleteInstance();
  54.  
  55.     void queueCanMessage(CanMessage canMessage);
  56.     void queueExpression(string expression);
  57.  
  58.     void run();
  59.  
  60.     bool loadScript(string scriptName);
  61.     int setInterval(string expression, int interval, bool single);
  62.     bool clearInterval(int timeoutId);
  63.  
  64. private:
  65.     void callHandleHeartbeat(int hardwareId);
  66.     void callHandleMessage(CanMessage canMessage);
  67.     bool runExpression(string expression);
  68.  
  69.     VirtualMachine();
  70.     ~VirtualMachine();
  71.     static VirtualMachine* myInstance;
  72.  
  73.     Handle<Function> myFunctionHandleHeartbeat;
  74.     Handle<Function> myFunctionOfflineCheck;
  75.     Handle<Function> myFunctionHandleMessage;
  76.     Handle<Function> myFunctionStartup;
  77.  
  78.     Handle<ObjectTemplate> myGlobal;
  79.     HandleScope myHandleScope;
  80.     Handle<Context> myContext;
  81.  
  82.     Semaphore mySemaphore;
  83.  
  84.     ThreadSafeQueue<string> myExpressions;
  85.     ThreadSafeQueue<CanMessage> myCanMessages;
  86.  
  87.     map<int, IntervalThread> myTimers;
  88. };
  89.  
  90. #endif  /* _VIRTUALMACHINE_H */
  91.  
  92.