public static bool IsListenerAtAddress(IPv4AddressPort address)
{
TcpClient client = new TcpClient();
ListenerTest test = new ListenerTest(client);
try
{
client.BeginConnect(address.AddressAsIPv4Address.AddressAsIPAddress, address.Port, new AsyncCallback(ListenerTesterConnectCallback), test);
if (test.WaitEvent.Wait(30 * 1000) == false)
{
client.Close();
}
}
catch (Exception) {}
return(test.IsConnected);
}
static void ListenerTesterConnectCallback(IAsyncResult ar)
{
ListenerTest test = ar.AsyncState as ListenerTest;
try
{
test.Client.EndConnect(ar);
test.IsConnected = test.Client.Connected;
test.Client.Close();
}
catch (Exception) {}
finally
{
test.WaitEvent.Set();
}
}
