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/***************************************************************************

 *   Copyright (C) December 10, 2008 by Mattias Runge                             *

 *   mattias@runge.se                                                      *

 *   virtualmachine.h                                            *

 *                                                                         *

 *   This program is free software; you can redistribute it and/or modify  *

 *   it under the terms of the GNU General Public License as published by  *

 *   the Free Software Foundation; either version 2 of the License, or     *

 *   (at your option) any later version.                                   *

 *                                                                         *

 *   This program is distributed in the hope that it will be useful,       *

 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *

 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *

 *   GNU General Public License for more details.                          *

 *                                                                         *

 *   You should have received a copy of the GNU General Public License     *

 *   along with this program; if not, write to the                         *

 *   Free Software Foundation, Inc.,                                       *

 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *

 ***************************************************************************/

#ifndef _VIRTUALMACHINE_H

#define _VIRTUALMACHINE_H

using namespace std;

#include <map>

#include <string>

#include <queue>

#include "../v8/include/v8-debug.h"

#include "../Logger/logger.h"

#include "../Settings/settings.h"

#include "../CanNet/cannetmanager.h"

#include "../CanNet/canmessage.h"

#include "../Threads/semaphore.h"

#include "../Threads/threadsafequeue.h"

#include "intervalthread.h"

#include "socketthread.h"

#include "commandthread.h"

#include "expression.h"

#include "../Tools/base64.h"

using namespace v8;

class VirtualMachine : public Thread<VirtualMachine>

{

public:

    static VirtualMachine& getInstance();

    static void deleteInstance();

    void run();

    void queueExpression(Expression expression);

    void queueExpression(string script) { queueExpression(Expression(script)); };

    bool loadScript(string scriptName);

    bool loadDataStore(string storeName);

    unsigned int startIntervalThread(unsigned int timeout);

    bool setIntervalThreadTimeout(unsigned int id, unsigned int timeout);

    bool stopIntervalThread(unsigned int id);

    unsigned int startSocketThread(string address, int port, unsigned int reconnectTimeout);

    bool stopSocketThread(unsigned int id);

    void sendToSocketThread(unsigned int id, string data);

    void sendToCommandClient(unsigned int id, string data);

    void disconnectCommandClient(unsigned int id);

    void print(unsigned int id, string data);

    static Handle<Value> _quit(const Arguments& args);

    static Handle<Value> _print(const Arguments& args);

    static Handle<Value> _log(const Arguments& args);

    static Handle<Value> _sendCanMessage(const Arguments& args);

    static Handle<Value> _sendCanNMTMessage(const Arguments& args);

    static Handle<Value> _loadScript(const Arguments& args);

    static Handle<Value> _stopIntervalThread(const Arguments& args);

    static Handle<Value> _startIntervalThread(const Arguments& args);

    static Handle<Value> _setIntervalThreadTimeout(const Arguments& args);

    static Handle<Value> _stopSocketThread(const Arguments& args);

    static Handle<Value> _startSocketThread(const Arguments& args);

    static Handle<Value> _sendToSocketThread(const Arguments& args);

    static Handle<Value> _system(const Arguments& args);

    static Handle<Value> _uint2hex(const Arguments& args);

    static Handle<Value> _hex2bin(const Arguments& args);

    static Handle<Value> _bin2hex(const Arguments& args);

    static Handle<Value> _bin2float(const Arguments& args);

    static Handle<Value> _float2bin(const Arguments& args);

    static Handle<Value> _bin2uint(const Arguments& args);

    static Handle<Value> _uint2bin(const Arguments& args);

    static Handle<Value> _hex2uint(const Arguments& args);

    static Handle<Value> _sleep(const Arguments& args);

    static Handle<Value> _loadDataStore(const Arguments& args);

    static Handle<Value> _getFileContents(const Arguments& args);

private:

    bool runExpression(Expression expression);

    string formatException(TryCatch* tryCatch);

    VirtualMachine();

    ~VirtualMachine();

    static VirtualMachine* myInstance;

    Handle<Function> myFunctionStartup;

    Handle<ObjectTemplate> myGlobal;

    HandleScope myHandleScope;

    Handle<Context> myContext;

    Semaphore mySemaphore;

    ThreadSafeQueue<Expression> myExpressions;

    map<int, IntervalThread*> myIntervalThreads;

    map<unsigned long int, SocketThread*> mySocketThreads;

    CommandThread myCommandThread;

};

#endif  /* _VIRTUALMACHINE_H */