/// <summary>
/// HandleClient function.
/// handles the client-server communication.
/// </summary>
/// <param name="client">specified client</param>
/// <param name="clients">list of all current clients</param>
public void HandleClient(TcpClient client, List <TcpClient> clients)
{
try
{
new Task(() =>
{
try
{
while (!m_isStopped)
{
NetworkStream stream = client.GetStream();
BinaryReader reader = new BinaryReader(stream);
BinaryWriter writer = new BinaryWriter(stream);
string commandLine = reader.ReadString();
Logging.Log("ClientHandler got command: " + commandLine, MessageTypeEnum.INFO);
CommandRecievedEventArgs commandRecievedEventArgs = JsonConvert.DeserializeObject <CommandRecievedEventArgs>(commandLine);
if (commandRecievedEventArgs.CommandID == (int)CommandEnum.CloseClient)
{
clients.Remove(client);
client.Close();
break;
}
Console.WriteLine("Got command: {0}", commandLine);
bool r;
string result = this.ImageController.ExecuteCommand((int)commandRecievedEventArgs.CommandID,
commandRecievedEventArgs.Args, out r);
// string result = handleCommand(commandRecievedEventArgs);
Mutex.WaitOne();
writer.Write(result);
Mutex.ReleaseMutex();
}
}
catch (Exception ex)
{
clients.Remove(client);
Logging.Log(ex.ToString(), MessageTypeEnum.FAIL);
client.Close();
}
}).Start();
}
catch (Exception ex)
{
Logging.Log(ex.ToString(), MessageTypeEnum.FAIL);
}
}
public void SetConfigsAndLogs(TcpClient client)
{
// serialize command for settings
var serializedConfig = JsonConvert.SerializeObject(Configurations);
CommandRecievedEventArgs command = new CommandRecievedEventArgs((int)CommandEnum.GetConfigCommand, new string[] { serializedConfig }, string.Empty);
// send appconfig
var serializedCmd = JsonConvert.SerializeObject(command);
this.SendMessage(serializedCmd, client);
// serialize command for logs
var serializedLogs = JsonConvert.SerializeObject(this.loggingService.Logs);
command = new CommandRecievedEventArgs((int)CommandEnum.GetListLogCommand, new string[] { serializedLogs }, string.Empty);
// send logs
serializedCmd = JsonConvert.SerializeObject(command);
this.SendMessage(serializedCmd, client);
}
private Task HandleConnectionAsync(TcpClient client)
{
return(Task.Run(async() =>
{
using (NetworkStream stream = client.GetStream())
{
bool running = true;
BinaryReader reader = new BinaryReader(stream);
string msg = string.Empty;
SetConfigsAndLogs(client);
while (running)
{
try
{
msg = reader.ReadString();
Console.WriteLine("msg: {0}", msg);
CommandRecievedEventArgs cmd = JsonConvert.DeserializeObject <CommandRecievedEventArgs>(msg);
Console.WriteLine("command is: {0}", cmd);
// client exit
if (cmd.CommandID == (int)CommandEnum.ExitCommand)
{
client.Close();
clients.Remove(client);
Console.WriteLine("Client removed");
break;
}
OnCommandRecieved?.Invoke(this, cmd);
}
catch (Exception ex)
{
running = false;
clients.Remove(client);
Console.WriteLine(ex.Message);
}
}
Console.WriteLine("closing client");
}
}));
}
/// <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);
}
/// <summary>
/// Invoking the DirectoryCloseEvent closing the handlers
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public void CloseHandler(object sender, CommandRecievedEventArgs e)
{
this.m_dirWatcher.Dispose();
this.DirectoryClose.Invoke(this, new DirectoryCloseEventArgs(this.m_path, "closing handler"));
}
/// <summary>
/// invoking the informHandlerClose of each handler
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
public void ServiceStopped(object sender, CommandRecievedEventArgs args)
{
informHandlerClose.Invoke(this, args);
}
/// <summary>
/// send the command to all folders that register to the commandRecived event.
/// </summary>
/// <param name="e"></param>
public void SendCommand(CommandRecievedEventArgs e)
{
CommandRecieved?.Invoke(this, e);
}
public void updateAllClients(CommandRecievedEventArgs args)
{
this.serverIS.NotifyClients(args);
}
public void sendCmd(object sender, CommandRecievedEventArgs data)
{
CommandRecieved?.Invoke(this, data);
}
/// <summary>
/// NotifyAboutNewLogEntry function.
/// </summary>
/// <param name="updateObj">CommandRecievedEventArgs obj</param>
private void NotifyAboutNewLogEntry(CommandRecievedEventArgs updateObj)
{
NotifyAllClientsAboutUpdate(updateObj);
}
