private void onConnect(IAsyncResult ar)
{
try
{
socket.BeginAccept(onConnect, null);
}
catch
{
Status = EthernetListener.ConnectionStatus.Disconnected;
}
Socket worker = null;
try
{
worker = socket.EndAccept(ar);
ListenerClient client = new ListenerClient(worker, LocalPort, base.Retry, base.TimeOut);
System.Threading.Thread.Sleep(1000);
PLC plc = PLCFactory.GetPLC(client, 0);
if (OnConnectionAccepted != null)
{
OnConnectionAccepted(plc);
}
}
catch
{
if (worker != null)
{
worker.Close();
}
}
}
/// <summary>
/// Closes the Socket connection and releases all associated resources.
/// </summary>
public override void Disconnect()
{
if (base.QueueCount != 0)
{
return;
}
try
{
socket.Close();
Status = EthernetListener.ConnectionStatus.Disconnected;
}
catch
{
}
}
internal void Listen()
{
lock (lockObj)
{
if (Status == EthernetListener.ConnectionStatus.Disconnected || socket == null)
{
try
{
listen();
Status = EthernetListener.ConnectionStatus.Listening;
}
catch
{
throw new ComDriveExceptions(
"Failed binding local port " + m_LocalPort.ToString() +
". Please check that the port is not in use",
ComDriveExceptions.ComDriveException.PortInUse);
}
}
}
}
