/// <summary>
/// Listen while listener is running
/// </summary>
private static void Listen()
{
Listener = new TcpListener(IPAddress.Any, ConnectionConfig.clientPort);
try
{
Listener.Start(3);
}
catch (SocketException)
{
MessageBox.Show("Server kann nicht gestartet werden. Der Port [" + ConnectionConfig.clientPort + "] wird bereits verwendet.\n" +
"Mögliche Ursache dafür ist, dass bereits ein REEChat Client auf diesem Gerät läuft!");
CFormController.LoginClose();
}
while (Running)
{
try
{
TcpClient server = Listener.AcceptTcpClient();
string serverAddress = ((IPEndPoint)server.Client.RemoteEndPoint).Address.ToString();
NetworkStream stream = server.GetStream();
while (server.Available == 0)
{
}
byte[] buffer = new byte[server.Available];
stream.Read(buffer, 0, buffer.Length);
stream.Close();
int i = Package.TryParse(buffer, out Package package);
if (i == 0)
{
CDataController.ProcessingReceivedPackage(package, serverAddress);
}
}
catch (SocketException)
{
}
}
}
/// <summary>
/// Processes a received package
/// </summary>
/// <param name="package">received package</param>
/// <param name="address">address of the sender of the package</param>
internal static void ProcessingReceivedPackage(Package package, string address)
{
//sender != server
if (CConnectionController.ServerAddress != address)
{
return;
}
//Not logged in
if (!CFormController.LoggedIn)
{
if (CFormController.RegistrationView != null)
{
if (package is Feedback feedback)
{
switch (feedback.FeedbackCode)
{
case FeedbackCode.InternalServerError:
CFormController.RegistrationView.WaitForFeedback = false;
MessageBox.Show("Der Server hat interne Probleme!");
break;
case FeedbackCode.RegistrationDenied:
CFormController.RegistrationView.WaitForFeedback = false;
MessageBox.Show("Der Registrierungsanfrage wurde abgelehnt!");
break;
case FeedbackCode.RegistrationDeniedEmailAlreadyUsed:
CFormController.RegistrationView.WaitForFeedback = false;
MessageBox.Show("Email wird bereits verwendet!");
break;
case FeedbackCode.RegistrationAccepted:
CFormController.RegistrationView.WaitForFeedback = false;
MessageBox.Show("Registrierung erfolgreich!");
CFormController.RegistrationClose();
break;
}
}
}
else
{
if (package is UserList userList)
{
Users = userList.List;
MessageBox.Show("Login erfolgreich!");
CFormController.LoginClose();
}
else if (package is Feedback feedback)
{
switch (feedback.FeedbackCode)
{
case FeedbackCode.InternalServerError:
CFormController.LoginView.WaitForFeedback = false;
MessageBox.Show("Der Server hat interne Probleme!");
break;
case FeedbackCode.LoginDenied:
CFormController.LoginView.WaitForFeedback = false;
MessageBox.Show("Login verweigert! Falsche Anmeldedaten!");
break;
}
}
}
}
else
{
if (package is UserList userList)
{
Users = userList.List;
CFormController.MainView.UpdateUser();
}
else if (package is MessageList messageList)
{
foreach (MessagePackage k in messageList.List)
{
Messages.Add(new Message(k));
}
CFormController.MainView.UpdateMessage();
}
else if (package is ReceiveTextMessage receiveTextMessage)
{
CFormController.MainView.WaitForFeedback = false;
Messages.Add(new Message(receiveTextMessage.EMail, CConnectionController.LoginUser.Email, DateTime.Now, receiveTextMessage.Text));
CFormController.MainView.UpdateMessage();
}
else if (package is Feedback feedback)
{
switch (feedback.FeedbackCode)
{
case FeedbackCode.InternalServerError:
CFormController.MainView.WaitForFeedback = false;
MessageBox.Show("Der Server hat interne Probleme!");
break;
case FeedbackCode.InvalidSession:
break;
case FeedbackCode.MessageSendSuccess:
CFormController.MainView.WaitForFeedback = false;
CFormController.MainView.SetText("");
break;
case FeedbackCode.MessageSendFailed:
CFormController.MainView.WaitForFeedback = false;
MessageBox.Show("Die Nachricht konnte nicht gesendet werden!");
break;
}
}
}
}
