public void CloseHandler(object sender, DirectoryCloseEventArgs e)
{
int flag = 0;
foreach (IDirectoryHandler handler in handlers)
{
if (e.DirectoryPath.Equals("*") || handler.getPath().Equals(e.DirectoryPath))
{
flag = 1;
this.CommandRecieved -= handler.OnCommandRecieved;
// this.m_logging.Log("Closing handler for " + e.DirectoryPath, MessageTypeEnum.INFO);
handler.DirectoryClose -= CloseHandler;
handler.StopHandleDirectory(e.DirectoryPath);
this.m_logging.Log("Closed handler for " + e.DirectoryPath, MessageTypeEnum.INFO);
string path = e.DirectoryPath;
string[] args = { path };
//DataInfo info = new DataInfo(CommandEnum.CloseCommand, JsonConvert.SerializeObject(args));
MessageRecievedEventArgs info = new MessageRecievedEventArgs(MessageTypeEnum.WARNING, path);
updareClientsHandlers(info);
}
}
if (flag == 0)
{
MessageRecievedEventArgs info = new MessageRecievedEventArgs(MessageTypeEnum.FAIL, null);
//sen.Invoke(this, info);
sendClients(info);
}
}
/// <summary>
/// When a command is being received, this function execute it via the IController, and
/// then informs the ILogging.
/// </summary>
/// <param name="sender"> the object that sent the command </param>
/// <param name="e"> the command's arguments </param>
void IHandler.OnCommandReceived(object sender, CommandReceivedEventArgs e)
{
if (e.CommandID == CommandEnum.CloseCommand)
{
DirectoryCloseEventArgs args = new DirectoryCloseEventArgs(e.RequestDirPath, "Closing Handler: " + path);
OnClose(args);
}
else if (e.CommandID == CommandEnum.CloseServerCommand)
{
DirectoryCloseEventArgs args = new DirectoryCloseEventArgs(path, "Server Closure " + path + " closed");
stopWatching(args);
}
else
{
// The Event that will be activated upon new Command
string logMsg = controller.ExecuteCommand(e.CommandID, e.Args, out bool result);
if (result)
{
logger.Log(logMsg, MessageTypeEnum.INFO);
}
else
{
logger.Log(logMsg, MessageTypeEnum.FAIL);
}
}
}
public string Execute(string[] args, out bool result)
{
DirectoryCloseEventArgs e = new DirectoryCloseEventArgs(args[0], "Closing handler");
// invoke event notifying that a handler needs to close
Closed?.Invoke(this, e);
StringBuilder sb = new StringBuilder();
string[] handlers = ConfigurationManager.AppSettings.Get("Handler").Split(';');
foreach (string handler in handlers)
{
if (string.Compare(args[0], handler) != 0)
{
sb.Append(handler);
sb.Append(";");
}
}
ConfigurationManager.AppSettings.Set("Handler", sb.ToString());
result = true;
//return "Executed Close Command with arguments: " + args[0];
MessageRecievedEventArgs info = new MessageRecievedEventArgs(MessageTypeEnum.WARNING, args[0]);
string parse = JsonConvert.SerializeObject(info);
DataInfo commandSendArgs = new DataInfo(CommandEnum.CloseCommand, parse);
string toJson = JsonConvert.SerializeObject(commandSendArgs);
return(toJson);
}
/**
* the function close server after call to the close
*/
public void closeService(object sender, DirectoryCloseEventArgs e)
{
IDirectoryHandler h = (IDirectoryHandler)sender;
CommandRecieved -= h.OnCommandRecieved;
m_logging.Log("close handler: " + e.Message, MessageTypeEnum.INFO);
}
public void OnCloseServer(object sender, DirectoryCloseEventArgs args)
{
IDirectoryHandler handler = (IDirectoryHandler)sender;
onCommand -= handler.OnCommandRecieved;
informHandlerClose -= handler.CloseHandler;
handler.DirectoryClose -= OnCloseServer;
}
/// <summary>
/// remove the directory handle from the CommanedRecived event
/// </summary>
/// <param name="sender"> sender class</param>
/// <param name="e"> arguments of Directory close</param>
public void CloseDirectory(object sender, DirectoryCloseEventArgs e)
{
IDirectoryHandler d = (DirectoyHandler)sender;
CommandRecieved -= d.OnCommandRecieved;
d.DirectoryClose -= CloseDirectory;
m_logging.Log(e.Message, MessageTypeEnum.INFO);
}
/// <summary>
/// Informs the clients that a Handler Directory has been removed form the watchlist
/// </summary>
/// <param name="sender">Object</param>
/// <param name="args">DirectoryCloseEventArgs</param>
public void NotifyClientsDirectoryClosed(object sender, DirectoryCloseEventArgs args)
{
clientsMutex.WaitOne();
foreach (TcpClient client in connectedClients)
{
StreamWriter writer = new StreamWriter(client.GetStream());
writer.WriteLine(CommandEnum.CloseCommand);
writer.WriteLine(args.DirectoryPath);
writer.WriteLine("<EOF>");
}
clientsMutex.ReleaseMutex();
}
/// <summary>
/// Stops the listening to the directory. invokes the DirectoryClose event and informs
/// the ILogging.
/// </summary>
/// <param name="e"> the arguments for the event </param>
void OnClose(DirectoryCloseEventArgs args)
{
try
{
if (path == args.DirectoryPath)
{
stopWatching(args);
removeFromAppConfig(args.DirectoryPath);
DirectoryClose?.Invoke(this, args);
}
}
catch (Exception e)
{
logger.Log(e.Message, MessageTypeEnum.FAIL);
}
}
/// <summary>
/// The Event that will be activated upon new Command
/// </summary>
/// <param name="sender">is the class that call this method</param>
/// <param name="e">save all the arguments to the event </param>
public void OnCommandRecieved(object sender, CommandRecievedEventArgs e)
{
//check if the command should execute on this Directory ("*" - for all directories)
//remember - Close has no execute command
if (e.RequestDirPath == dirPath || e.RequestDirPath == "*")
{
if (e.CommandID == (int)CommandStateEnum.CLOSE) //if Command is Close
{
DirectoryCloseEventArgs e1 = new DirectoryCloseEventArgs(dirPath, "Stop handle Dir: " + dirPath);
StopHandleDirectory();
DirectoryClose?.Invoke(this, e1);
}
else
{//use the controller to execute
//for new File command taks the args[0].
string msg = c_imageController.ExecuteCommand(e.CommandID, e.Args, out bool result, out MessageTypeEnum type);
//log write the result msg, with the returning type
m_loggingModel.Log(msg, type);
}
}
}
/**
* run the correct command.
*/
public void OnCommandRecieved(object sender, CommandRecievedEventArgs e)
{
this.watcher.EnableRaisingEvents = true; //if you want to listen
logging.Log("Hendler starts listening to: " + path, MessageTypeEnum.INFO); //add log msg to logging for start listening
bool result;
string resultMsg = null;
MessageTypeEnum typeMsg = new MessageTypeEnum();
if (e.CommandID == (int)CommandEnum.CloseCommand) //when the command is close
{
this.watcher.EnableRaisingEvents = false;
DirectoryCloseEventArgs closeArgs = new DirectoryCloseEventArgs(path, "Handler Closing: " + path);
DirectoryClose?.Invoke(this, closeArgs); // and dirctoryClose.Invoke--> for the service
logging.Log("Handler Closing: " + path, MessageTypeEnum.INFO); //update the log
}
//id dir path is * or my folder, if request == handler.path --> then go, else - return.
if (!e.RequestDirPath.Equals(path) || e.RequestDirPath.EndsWith("*"))
{
resultMsg = controller.ExecuteCommand(e.CommandID, e.Args, out result);
if (result == false) // if the command not found
{
StopHandleDirectory(e.RequestDirPath);
typeMsg = MessageTypeEnum.FAIL;
}
else
{
typeMsg = MessageTypeEnum.INFO;
}
}
logging.Log(resultMsg, typeMsg); //update the log
//watcher.Created += new FileSystemEventHandler(OnChanged);
watcher.Created += new FileSystemEventHandler(OnChanged);
}
private void stopWatching(DirectoryCloseEventArgs args)
{
path = null;
dirWatcher.EnableRaisingEvents = false;
logger.Log(args.Message, MessageTypeEnum.INFO);
}
private void OnServerClose(object sender, DirectoryCloseEventArgs e)
{
string[] args = { e.DirectoryPath };
this.cServer.SendCommandToAllClients((int)CommandsEnum.RemoveDirCommand, args);
}
public void HandlerClosed(object sender, DirectoryCloseEventArgs e)
{
HandlerClosedEvent?.Invoke(sender, e);
}
