public async Task StartAsync(CancellationToken cancelToken)
{
server?.Dispose();
this.cancelToken = cancelToken;
server = new TcpListenerActive(IPAddress.Any, port);
server.Start(maxConnectionCount);
cancelToken.Register(Dispose);
try
{
while (server != null && server.Active)
{
try
{
await ProcessConnection();
}
catch (ObjectDisposedException)
{
// happens on shutdown
}
catch (Exception ex)
{
MailDemonLog.Error(ex);
}
}
}
catch (Exception ex2)
{
MailDemonLog.Error(ex2);
}
MailDemonLog.Warn("SMTP server is shutdown");
}
public void Dispose()
{
try
{
MailDemonLog.Warn("Disposing SMTP server");
server?.Dispose();
}
catch
{
}
server = null;
}
public async Task StartAsync(int port, CancellationToken token)
{
if (server != null)
{
server.Stop();
}
server = new TcpListenerActive(IPAddress.Any, port);
server.Start(maxConnectionCount);
token.Register(() => server.Stop());
while (server.Active)
{
try
{
await ProcessConnection();
}
catch (Exception ex)
{
Console.WriteLine(ex);
}
}
}
public async Task StartAsync(CancellationToken cancelToken)
{
server?.Dispose();
this.cancelToken = cancelToken;
server = new TcpListenerActive(IPAddress.Any, port);
server.Start(maxConnectionCount);
cancelToken.Register(Dispose);
try
{
while (server != null && server.Active)
{
TcpClient tcpClient = null;
try
{
// handle connection in background
tcpClient = await server.AcceptTcpClientAsync();
}
catch (ObjectDisposedException)
{
// ignore, happens on shutdown
}
catch (Exception ex)
{
MailDemonLog.Error("Error connecting incoming socket", ex);
continue;
}
// process connection in background
ProcessConnection(tcpClient).GetAwaiter();
}
}
catch (Exception ex2)
{
MailDemonLog.Error(ex2);
}
MailDemonLog.Warn("SMTP server is shutdown");
}