//this function is called when the service begins.
protected override void OnStart(string[] args)
{
eventLog1.WriteEntry("In OnStart");
//creating logging service to send messages to the log
this.ils = new LoggingService();
//every time the logger receives a message MessageRecieved is invoked and onmsg function in this class is called
this.ils.MessageRecieved += this.OnMsg;
string outputDir = ReadAppConfig.ReadSetting("OutPutDir");
int thumbnailSize = ReadAppConfig.ReadThumbnailSize("ThumbnailSize");
if (thumbnailSize == -1) //in case of failed conversion to an int
{
thumbnailSize = 120;
eventLog1.WriteEntry("warning: parsing failed, sets thumbnailsize to 120");
}
else
{
eventLog1.WriteEntry("Thumbnail size has been read successfuly");
}
//creating image model (thumbail size should be taken from app.config file)
this.modal = new ImageServiceModal(outputDir, thumbnailSize);
eventLog1.WriteEntry("output dir is: " + outputDir);
//creating the controller and the server.
this.controller = new ImageController(modal, ils);
this.server = new ImageServer(this.controller, this.ils);
this.server.Close += OnServerClose;
this.controller.addServer(this.server);
this.cServer = new ComunicationServer(8000, this.controller);
this.ils.MessageRecieved += delegate(object sender, MessageRecievedEventArgs e)
{
string[] logArgs = { e.Status.ToString(), e.Message };
this.cServer.SendCommandToAllClients((int)CommandsEnum.LogCommand, logArgs);
};
this.cServer.Start();
ITCPHandler tcpClientHandler = new TCPHandler(controller, ils);
ITCPServer tcpServer = new TCPServer(8001, ils, tcpClientHandler);
tcpServer.Start();
this.imageServer = new TCPServer(8001, ils, new TCPHandler(this.controller, ils));
this.imageServer.Start();
}
/// <summary>
/// This function is called when the service starts.
/// The functions initialized the sercice components and starts listning to the folders.
/// </summary>
/// <param name="args"></param>
protected override void OnStart(string[] args)
{
// Update the service state to Start Pending.
ServiceStatus serviceStatus = new ServiceStatus();
serviceStatus.dwCurrentState = ServiceState.SERVICE_START_PENDING;
serviceStatus.dwWaitHint = 100000;
SetServiceStatus(this.ServiceHandle, ref serviceStatus);
// What the function really does
string sourceDirectoriesKey = "Handler";
string outPutDirKey = "OutputDir";
string logSourceNameKey = "SourceName";
string logNameKey = "LogName";
string thumbnailSizeKey = "ThumbnailSize";
// Define the evant log, messages from this application will be writeen to.
eventLog1 = new System.Diagnostics.EventLog();
if (!System.Diagnostics.EventLog.SourceExists(this.getAppConfigValue(logSourceNameKey)))
{
System.Diagnostics.EventLog.CreateEventSource(
this.getAppConfigValue(logSourceNameKey), this.getAppConfigValue(logNameKey));
}
eventLog1.Source = this.getAppConfigValue(logSourceNameKey);
eventLog1.Log = this.getAppConfigValue(logNameKey);
// Defime the service's timer
this.timer = new System.Timers.Timer();
this.timer.Interval = 60000; // 60 seconds
this.timer.Elapsed += new System.Timers.ElapsedEventHandler(this.OnTimer);
// Define the logger
this.logging = new LoggingService();
// Regidter the the logging model event o when a part of the program
// send a request to the logging model in order to write a log.
// the funtion writeLog will be invoked and it will write the massage to the event viewer.
this.logging.MessageRecieved += this.writeLog;
// Define the logging buffer helps to send logs to the clients
LogingBuffer logsBuffer = new LogingBuffer();
this.logging.MessageRecieved += logsBuffer.AddLog;
// Define the ImageModel
int size = int.Parse(this.getAppConfigValue(thumbnailSizeKey));
this.modal = new ImageServiceModal(this.getAppConfigValue(outPutDirKey), size);
// Define the controler
this.controller = new ImageController(this.modal, logsBuffer, logging);
// Define the ClientsManagget that will manage the coimunication with the diffrent clients.
ClientsManager managger = new ClientsManager(this.controller, this.logging);
// Define the cominication server
this.comServer = new ComunicationServer("127.0.0.1", 8000, managger, this.logging);
// Define the server
string directories = this.getAppConfigValue(sourceDirectoriesKey);
string[] directoryArray = directories.Split(';');
this.m_imageServer = new ImageServer(this.logging, this.controller, directoryArray, comServer, managger);
eventLog1.WriteEntry("In OnStart");
this.timer.Start();
// Update the service state to Running.
serviceStatus.dwCurrentState = ServiceState.SERVICE_RUNNING;
SetServiceStatus(this.ServiceHandle, ref serviceStatus);
}