private void button1_Click(object sender, RoutedEventArgs e)
{
button1.IsEnabled = false;
button2.IsEnabled = true;
button3.IsEnabled = true;
if (null != listener)
{
try { listener.Stop();
tokenSource.Cancel();
AppGlobals.writeConsole("Listening for connections on {0}:{1} is ended.", listenAddr, listenPort);
AppGlobals.writeLogUI("Listening for connections on {0}:{1} is ended.", listenAddr, listenPort); }
catch { }
}
}
private async void button2_Click(object sender, RoutedEventArgs e)
{
button1.IsEnabled = true;
button2.IsEnabled = false;
button3.IsEnabled = false;
richTextBox1.Document.Blocks.Clear();
richTextBox2.Document.Blocks.Clear();
richTextBox3.Document.Blocks.Clear();
tokenSource = new CancellationTokenSource();
CancellationToken ct = tokenSource.Token;
// load the config
settingClass.loadConfig();
settingClass.dumpSettingsLive();
// tell we're starting up and, if verbose, dump config parameters
AppGlobals.writeConsole("{0} {1} starting up (NET {2})", AppGlobals.appName, AppGlobals.appVersion, AppGlobals.appRuntime);
AppGlobals.writeLogUI("{0} {1} starting up (NET {2})", AppGlobals.appName, AppGlobals.appVersion, AppGlobals.appRuntime);
if (AppGlobals.logVerbose)
{
settingClass.dumpSettings();
}
// setup the listening IP:port
listenAddr = AppGlobals.listenIP;
listenPort = AppGlobals.listenPort;
// try starting the listener
try
{
listener = new TcpListener(listenAddr, listenPort);
listener.Start();
}
catch (Exception ex)
{
AppGlobals.writeConsole("Listener::Error: " + ex.Message);
AppGlobals.writeLogUI("Listener::Error: " + ex.Message);
}
// tell we're ready to accept connections
AppGlobals.writeConsole("Listening for connections on {0}:{1}", listenAddr, listenPort);
AppGlobals.writeLogUI("Listening for connections on {0}:{1}", listenAddr, listenPort);
// run until interrupted (Ctrl-C in our case)
await Task.Run(() =>
{
ct.ThrowIfCancellationRequested();
while (true)
{
if (ct.IsCancellationRequested)
{
// Clean up here, then...
ct.ThrowIfCancellationRequested();
}
try
{
// wait for an incoming connection, accept it and spawn a thread to handle it
SMTPsession handler = new SMTPsession(listener.AcceptTcpClient());
Thread thread = new System.Threading.Thread(new ThreadStart(handler.handleSession));
thread.Start();
}
catch (Exception ex)
{
// we got an error
AppGlobals.writeConsole("Handler::Error: " + ex.Message);
AppGlobals.writeLogUI("Listening for connections on {0}:{1}", listenAddr, listenPort);
//timeToStop = true;
break;
}
}
}, tokenSource.Token);
// finalize
if (null != listener)
{
try {
listener.Stop();
}
catch { }
finally
{
tokenSource.Dispose();
AppGlobals.writeConsole("{0} {1} shutting down (NET {2})", AppGlobals.appName, AppGlobals.appVersion, AppGlobals.appRuntime);
AppGlobals.writeLogUI("{0} {1} shutting down (NET {2})", AppGlobals.appName, AppGlobals.appVersion, AppGlobals.appRuntime);
}
}
}