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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.h"

#include "../SyslogStream/syslogstream.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"

using namespace v8;

Handle<Value> VirtualMachine_log(const Arguments& args);

Handle<Value> VirtualMachine_sendCanMessage(const Arguments& args);

Handle<Value> VirtualMachine_sendCanNMTMessage(const Arguments& args);

Handle<Value> VirtualMachine_loadScript(const Arguments& args);

Handle<Value> VirtualMachine_stopIntervalThread(const Arguments& args);

Handle<Value> VirtualMachine_startIntervalThread(const Arguments& args);

Handle<Value> VirtualMachine_stopSocketThread(const Arguments& args);

Handle<Value> VirtualMachine_startSocketThread(const Arguments& args);

Handle<Value> VirtualMachine_sendToSocketThread(const Arguments& args);

Handle<Value> VirtualMachine_uint2hex(const Arguments& args);

class VirtualMachine : public Thread<VirtualMachine>

{

public:

    static VirtualMachine& getInstance();

    static void deleteInstance();

    void queueCanMessage(CanMessage canMessage);

    void queueExpression(string expression);

    void run();

    bool loadScript(string scriptName);

    unsigned int startIntervalThread(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);

private:

    void callHandleNMTMessage(CanMessage canMessage);

    void callHandleMessage(CanMessage canMessage);

    bool runExpression(string expression);

    void printException(TryCatch* tryCatch);

    VirtualMachine();

    ~VirtualMachine();

    static VirtualMachine* myInstance;

    Handle<Function> myFunctionHandleNMTMessage;

    Handle<Function> myFunctionOfflineCheck;

    Handle<Function> myFunctionHandleMessage;

    Handle<Function> myFunctionStartup;

    Handle<ObjectTemplate> myGlobal;

    HandleScope myHandleScope;

    Handle<Context> myContext;

    Semaphore mySemaphore;

    ThreadSafeQueue<string> myExpressions;

    ThreadSafeQueue<CanMessage> myCanMessages;

    map<int, IntervalThread> myIntervalThreads;

    map<int, SocketThread*> mySocketThreads;

};

#endif  /* _VIRTUALMACHINE_H */