WebSVN – HomeAutomation – Diff – /trunk/PcSoftware/Atom/VM/virtualmachine.cpp

 /***************************************************************************
  *   Copyright (C) December 10, 2008 by Mattias Runge                             *
  *   mattias@runge.se                                                      *
  *   virtualmachine.cpp                                            *
  *                                                                         *
  *   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.             *
  ***************************************************************************/
 #include <map>
 #include "virtualmachine.h"
 VirtualMachine* VirtualMachine::myInstance = NULL;
 VirtualMachine& VirtualMachine::getInstance()
+{
     if (myInstance == NULL)
+    {
         myInstance = new VirtualMachine();
+    }
     return *myInstance;
+}
 void VirtualMachine::deleteInstance()
+{
     if (myInstance != NULL)
+    {
         delete myInstance;
         myInstance = NULL;
+    }
+}
 VirtualMachine::VirtualMachine()
+{
+}
 VirtualMachine::~VirtualMachine()
+{
+}
 void VirtualMachine::run()
+{
     SyslogStream &slog = SyslogStream::getInstance();
-    string basePath = Settings::get("BasePath") + "/Services/System/";
+    string basePath = Settings::get("BasePath") + "Services/";
     string scriptName = "Base.js";
-    string scriptFileName = basePath + scriptName;
+    string scriptFileName = basePath + "System/" + scriptName;
     if (!file_exists(scriptFileName))
+    {
         slog << "Failed to load :" << scriptFileName << "\n";
     }
     string scriptSource = file_get_contents(scriptFileName);
     Handle<String> source =  String::New(scriptSource.c_str(), scriptSource.length());
     //each script name must be unique , for this demo I just run one embedded script, so the name can be fixed
     Handle<String> name = String::New(scriptName.c_str(), scriptName.length());
     // Create a template for the global object.
     myGlobal = ObjectTemplate::New();
     //associates "print" on script to the Print function
     myGlobal->Set(String::New("log"), FunctionTemplate::New(VirtualMachine_log));
     myGlobal->Set(String::New("sendCanMessage"), FunctionTemplate::New(VirtualMachine_sendCanMessage));
     myGlobal->Set(String::New("loadScript"), FunctionTemplate::New(VirtualMachine_loadScript));
-    myGlobal->Set(String::New("setTimeout"), FunctionTemplate::New(VirtualMachine_setTimeout));
-    myGlobal->Set(String::New("setInterval"), FunctionTemplate::New(VirtualMachine_setInterval));
+    myGlobal->Set(String::New("startIntervalThread"), FunctionTemplate::New(VirtualMachine_startIntervalThread));
-    myGlobal->Set(String::New("clearTimeout"), FunctionTemplate::New(VirtualMachine_clearInterval));
-    myGlobal->Set(String::New("clearInterval"), FunctionTemplate::New(VirtualMachine_clearInterval));
+    myGlobal->Set(String::New("stopIntervalThread"), FunctionTemplate::New(VirtualMachine_stopIntervalThread));
     //create context for the script
     myContext = Context::New(NULL, myGlobal);
     //access global context within this scope
     Context::Scope context_scope(myContext);
     //exception handler
     TryCatch try_catch;
     //compile script to binary code - JIT
     Handle<Script> script = Script::Compile(source, name);
     //check if we got problems on compilation
     if (script.IsEmpty())
     {
         // Print errors that happened during compilation.
         String::AsciiValue error(try_catch.Exception());
         slog << "Failed to compile script: " << *error << "\n";
     }
     else
+    {
         //no errors , let's continue
         Handle<Value> result = script->Run();
         //check if execution ended with errors
         if (result.IsEmpty())
+        {
             // Print errors that happened during execution.
             String::AsciiValue error(try_catch.Exception());
             slog << "Constructor: Failed to run script: " << *error << "\n";
+        }
         else
+        {
-            loadScript("System/Service.js");
-            loadScript("System/ServiceManager.js");
-            loadScript("System/CanMessage.js");
-            loadScript("System/CanManager.js");
-            loadScript("System/CanService.js");
             loadScript("System/Startup.js");
             if (file_exists(basePath + "Autostart.js"))
+            {
                 loadScript("Autostart.js");
             }
             myFunctionHandleHeartbeat = Handle<Function>::Cast(myContext->Global()->Get(String::New("handleHeartbeat")));
             myFunctionOfflineCheck = Handle<Function>::Cast(myContext->Global()->Get(String::New("offlineCheck")));
             myFunctionHandleMessage = Handle<Function>::Cast(myContext->Global()->Get(String::New("handleMessage")));
             myFunctionStartup = Handle<Function>::Cast(myContext->Global()->Get(String::New("startup")));
+        }
     }
     const int argc = 0;
     Handle<Value> argv[argc] = { };
     Handle<Value> result = myFunctionStartup->Call(myFunctionStartup, argc, argv); // argc and argv are your standard arguments to a function
     mySemaphore.lock();
     while (1)
+    {
         string expression;
         while (myExpressions.size() > 0)
+        {
             expression = myExpressions.pop();
             runExpression(expression);
         }
         CanMessage canMessage;
         while (myCanMessages.size() > 0)
+        {
             canMessage = myCanMessages.pop();
             if (canMessage.isHeartbeat())
+            {
                 callHandleHeartbeat(stoi(canMessage.getData()["HardwareId"].getValue()));
+            }
             else
             {
                 callHandleMessage(canMessage);
+            }
+        }
         mySemaphore.wait();
+    }
     mySemaphore.unlock();
 }
 void VirtualMachine::queueCanMessage(CanMessage canMessage)
+{
     myCanMessages.push(canMessage);
     mySemaphore.broadcast();
 }
 void VirtualMachine::queueExpression(string expression)
+{
     myExpressions.push(expression);
     mySemaphore.broadcast();
 }
 bool VirtualMachine::loadScript(string scriptName)
 {
     SyslogStream &slog = SyslogStream::getInstance();
     string basePath = Settings::get("BasePath") + "/Services/";
     string scriptFileName = basePath + scriptName;
     if (!file_exists(scriptFileName))
     {
         slog << "Failed to load :" << scriptFileName << "\n";
         return false;
+    }
     string scriptSource = file_get_contents(scriptFileName);
     Handle<String> source =  String::New(scriptSource.c_str(), scriptSource.length());
     //each script name must be unique , for this demo I just run one embedded script, so the name can be fixed
     Handle<String> name = String::New(scriptName.c_str(), scriptName.length());
     //access global context within this scope
     Context::Scope context_scope(myContext);
     //exception handler
     TryCatch try_catch;
     //compile script to binary code - JIT
     Handle<Script> script = Script::Compile(source, name);
     //check if we got problems on compilation
     if (script.IsEmpty())
     {
         // Print errors that happened during compilation.
         String::AsciiValue error(try_catch.Exception());
         slog << "Failed to compile script: " << *error << "\n";
         return false;
     }
     else
     {
         //no errors , let's continue
         Handle<Value> result = script->Run();
         //check if execution ended with errors
         if (result.IsEmpty())
+        {
             // Print errors that happened during execution.
             String::AsciiValue error(try_catch.Exception());
             slog << "loadScript: Failed to run script: " << *error << "\n";
             return false;
         }
     }
     return true;
+}
 void VirtualMachine::callHandleHeartbeat(int hardwareId)
 {
     const int argc = 1;
     Handle<Value> argv[argc] = { Integer::New(hardwareId) };
     Handle<Value> result = myFunctionHandleHeartbeat->Call(myFunctionHandleHeartbeat, argc, argv); // argc and argv are your standard arguments to a function
+}
 void VirtualMachine::callHandleMessage(CanMessage canMessage)
+{
     const int argc = 6;
     Handle<Value> argv[argc] = {String::New(canMessage.getClassName().c_str()),
                                 String::New(canMessage.getDirectionFlag().c_str()),
                                 String::New(canMessage.getModuleName().c_str()),
                                 Integer::New(canMessage.getModuleId()),
                                 String::New(canMessage.getCommandName().c_str()),
                                 String::New(canMessage.getJSONData().c_str()) };
     Handle<Value> result = myFunctionHandleMessage->Call(myFunctionHandleMessage, argc, argv); // argc and argv are your standard arguments to a function
 }
-int VirtualMachine::setInterval(string expression, int interval, bool single)
+unsigned int VirtualMachine::startIntervalThread(unsigned int timeout)
 {
-    IntervalThread intervalThread(expression, interval, single);
+    IntervalThread intervalThread(timeout);
-    intervalThread.start();
-    int timeoutId = myTimers.size();
-    myTimers[timeoutId] = intervalThread;
+    myIntervalThreads[intervalThread.getId()] = intervalThread;
-    myTimers[timeoutId].start();
+    myIntervalThreads[intervalThread.getId()].start();
-    return timeoutId;
+    return intervalThread.getId();
 }
-bool VirtualMachine::clearInterval(int timeoutId)
+bool VirtualMachine::stopIntervalThread(unsigned int id)
 {
-    if (myTimers.find(timeoutId) != myTimers.end())
+    if (myIntervalThreads.find(id) != myIntervalThreads.end())
+    {
-        myTimers.erase(timeoutId);
+        myIntervalThreads.erase(id);
         return true;
+    }
     return false;
+}
 bool VirtualMachine::runExpression(string expression)
+{
     SyslogStream &slog = SyslogStream::getInstance();
     string scriptName = "runExpression";
     Handle<String> source =  String::New(expression.c_str(), expression.length());
     //each script name must be unique , for this demo I just run one embedded script, so the name can be fixed
     Handle<String> name = String::New(scriptName.c_str(), scriptName.length());
     //access global context within this scope
     Context::Scope context_scope(myContext);
     //exception handler
     TryCatch try_catch;
     //compile script to binary code - JIT
     Handle<Script> script = Script::Compile(source, name);
     //check if we got problems on compilation
     if (script.IsEmpty())
+    {
         // Print errors that happened during compilation.
         String::AsciiValue error(try_catch.Exception());
         slog << "Failed to compile script: " << *error << "\n";
         return false;
+    }
     else
+    {
         //no errors , let's continue
         Handle<Value> result = script->Run();
         //check if execution ended with errors
         if (result.IsEmpty())
+        {
             // Print errors that happened during execution.
             String::AsciiValue error(try_catch.Exception());
             slog << "runExpression: Failed to run script: " << *error << "\n";
             return false;
+        }
+    }
     return true;
+}
 Handle<Value> VirtualMachine_log(const Arguments& args)
+{
     SyslogStream &slog = SyslogStream::getInstance();
     String::AsciiValue str(args[0]);
     slog << *str;
     return Undefined();
+}
 Handle<Value> VirtualMachine_sendCanMessage(const Arguments& args)
+{
     SyslogStream &slog = SyslogStream::getInstance();
     CanNetManager &canMan = CanNetManager::getInstance();
     CanMessage canMessage;
     String::AsciiValue className(args[0]);
     canMessage.setClassName(*className);
     String::AsciiValue directionFlag(args[1]);
     canMessage.setDirectionFlag(*directionFlag);
     String::AsciiValue moduleName(args[2]);
     canMessage.setModuleName(*moduleName);
     canMessage.setModuleId(args[3]->Uint32Value());
     String::AsciiValue commandName(args[4]);
     canMessage.setCommandName(*commandName);
     String::AsciiValue dataString(args[5]);
     vector<string> parts = explode(",", trim(*dataString, ','));
     map<string, CanVariable> data;
     for (int n = 0; n < parts.size(); n++)
+    {
         vector<string> keyAndValue = explode(":", parts[n]);
         //string key = trim(keyAndValue[0], ' ');
         //string value = trim(keyAndValue[1], ' ');
         data[keyAndValue[0]] = CanVariable(keyAndValue[0], keyAndValue[1]);
     }
     canMessage.setData(data);
     canMan.sendMessage(canMessage);
     return Undefined();
 }
 Handle<Value> VirtualMachine_loadScript(const Arguments& args)
 {
     VirtualMachine &vm = VirtualMachine::getInstance();
     String::AsciiValue str(args[0]);
     return Boolean::New(vm.loadScript(*str));
 }
-Handle<Value> VirtualMachine_setInterval(const Arguments& args)
+Handle<Value> VirtualMachine_startIntervalThread(const Arguments& args)
-{
-    VirtualMachine &vm = VirtualMachine::getInstance();
-    String::AsciiValue expression(args[0]);
-    unsigned int interval = args[1]->Uint32Value();
-    return Integer::New(vm.setInterval(*expression, interval, false));
-}
-Handle<Value> VirtualMachine_setTimeout(const Arguments& args)
+{
     VirtualMachine &vm = VirtualMachine::getInstance();
-    String::AsciiValue expression(args[0]);
-    unsigned int interval = args[1]->Uint32Value();
+    unsigned int timeout = args[0]->Uint32Value();
-    return Integer::New(vm.setInterval(*expression, interval, true));
+    return Integer::New(vm.startIntervalThread(timeout));
+}
-Handle<Value> VirtualMachine_clearInterval(const Arguments& args)
+Handle<Value> VirtualMachine_stopIntervalThread(const Arguments& args)
+{
     VirtualMachine &vm = VirtualMachine::getInstance();
+    unsigned int id = args[1]->Uint32Value();
-    return Boolean::New(vm.clearInterval(args[0]->Uint32Value()));
+    return Integer::New(vm.stopIntervalThread(id));
+}

Subversion Repositories HomeAutomation

(root)/trunk/PcSoftware/Atom/VM/virtualmachine.cpp @ 971 – Rev 970 → 971