private void buttonStart_Click(object sender, EventArgs e)
{
// Read the port number
int port;
if (!int.TryParse(textBoxPort.Text, out port))
{
MessageBox.Show("Invalid port number: " + textBoxPort.Text);
textBoxPort.Focus();
return;
}
try
{
// Define the socket, bind to the port, and start accepting connections
ListeningSocket = new SimpleServerTcpSocket();
ListeningSocket.ConnectionArrived += ListeningSocket_ConnectionArrived;
ListeningSocket.Listen(port);
textBoxLog.AppendText("Listening on port " + port.ToString() + Environment.NewLine);
}
catch (Exception ex)
{
ResetListeningSocket();
textBoxLog.AppendText("Error creating listening socket on port " + port.ToString() + ": [" + ex.GetType().Name + "] " + ex.Message + Environment.NewLine);
}
RefreshDisplay();
}
/// <summary>
/// Closes and clears the listening socket and all connected sockets, without causing exceptions.
/// </summary>
private void ResetListeningSocket()
{
// Close all child sockets
foreach (KeyValuePair<SimpleServerChildTcpSocket, ChildSocketState> socket in Server.ChildSockets)
socket.Key.ShutdownAsync();
Server.ChildSockets.Clear();
// Close the listening socket
ListeningSocket.Close();
ListeningSocket = null;
}
public void Start(int port)
{
try
{
// Define the socket, bind to the port, and start accepting connections
ListeningSocket = new SimpleServerTcpSocket();
ListeningSocket.ConnectionArrived += ListeningSocket_ConnectionArrived;
ListeningSocket.Listen(port);
ConsoleService.Write("Listening on port " + port);
}
catch (Exception ex)
{
ResetListeningSocket();
ConsoleService.Write("Error creating listening socket on port " + port + ": [" + ex.GetType().Name + "] " + ex.Message);
}
RefreshDisplay();
}
