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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-debug.h"
  32. #include "../Logger/logger.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. #include "socketthread.h"
  40. #include "commandthread.h"
  41. #include "expression.h"
  42. #include "../Tools/base64.h"
  43.  
  44. using namespace v8;
  45.  
  46. class VirtualMachine : public Thread<VirtualMachine>
  47. {
  48. public:
  49.     static VirtualMachine& getInstance();
  50.     static void deleteInstance();
  51.  
  52.     void run();
  53.  
  54.     void queueExpression(Expression expression);
  55.     void queueExpression(string script) { queueExpression(Expression(script)); };
  56.  
  57.     bool loadScript(string scriptName);
  58.     bool loadDataStore(string storeName);
  59.  
  60.     unsigned int startIntervalThread(unsigned int timeout);
  61.     bool setIntervalThreadTimeout(unsigned int id, unsigned int timeout);
  62.     bool stopIntervalThread(unsigned int id);
  63.  
  64.     unsigned int startSocketThread(string address, int port, unsigned int reconnectTimeout);
  65.     bool stopSocketThread(unsigned int id);
  66.     void sendToSocketThread(unsigned int id, string data);
  67.  
  68.     void sendToCommandClient(unsigned int id, string data);
  69.     void disconnectCommandClient(unsigned int id);
  70.  
  71.     void print(unsigned int id, string data);
  72.  
  73.     static Handle<Value> _quit(const Arguments& args);
  74.     static Handle<Value> _print(const Arguments& args);
  75.     static Handle<Value> _log(const Arguments& args);
  76.     static Handle<Value> _sendCanMessage(const Arguments& args);
  77.     static Handle<Value> _sendCanNMTMessage(const Arguments& args);
  78.     static Handle<Value> _loadScript(const Arguments& args);
  79.     static Handle<Value> _stopIntervalThread(const Arguments& args);
  80.     static Handle<Value> _startIntervalThread(const Arguments& args);
  81.     static Handle<Value> _setIntervalThreadTimeout(const Arguments& args);
  82.     static Handle<Value> _stopSocketThread(const Arguments& args);
  83.     static Handle<Value> _startSocketThread(const Arguments& args);
  84.     static Handle<Value> _sendToSocketThread(const Arguments& args);
  85.     static Handle<Value> _system(const Arguments& args);
  86.    
  87.     static Handle<Value> _uint2hex(const Arguments& args);
  88.     static Handle<Value> _hex2bin(const Arguments& args);
  89.     static Handle<Value> _bin2hex(const Arguments& args);
  90.     static Handle<Value> _bin2float(const Arguments& args);
  91.     static Handle<Value> _float2bin(const Arguments& args);
  92.     static Handle<Value> _bin2uint(const Arguments& args);
  93.     static Handle<Value> _uint2bin(const Arguments& args);
  94.     static Handle<Value> _hex2uint(const Arguments& args);
  95.  
  96.     static Handle<Value> _sleep(const Arguments& args);
  97.  
  98.     static Handle<Value> _loadDataStore(const Arguments& args);
  99.     static Handle<Value> _getFileContents(const Arguments& args);
  100.     static Handle<Value> _setFileContents(const Arguments& args);
  101.  
  102. private:
  103.     bool runExpression(Expression expression);
  104.     string formatException(TryCatch* tryCatch);
  105.  
  106.     VirtualMachine();
  107.     ~VirtualMachine();
  108.     static VirtualMachine* myInstance;
  109.  
  110.     Handle<Function> myFunctionStartup;
  111.  
  112.     Handle<ObjectTemplate> myGlobal;
  113.     HandleScope myHandleScope;
  114.     Handle<Context> myContext;
  115.  
  116.     Semaphore mySemaphore;
  117.  
  118.     ThreadSafeQueue<Expression> myExpressions;
  119.  
  120.     map<int, IntervalThread*> myIntervalThreads;
  121.     map<unsigned long int, SocketThread*> mySocketThreads;
  122.  
  123.     CommandThread myCommandThread;
  124. };
  125.  
  126. #endif  /* _VIRTUALMACHINE_H */
  127.  
  128.