private static PortStatusData GetPortStatus(IPAddress address, int port)
{
TcpListener tcpListener = null;
PortStatusData portStatusData;
try
{
tcpListener = new TcpListener(address, port);
tcpListener.Start();
portStatusData = new PortStatusData(port.ToString(), PortStatus.Free);
}
catch (SocketException)
{
portStatusData = new PortStatusData(port.ToString(), PortStatus.InUse);
}
catch (Exception)
{
portStatusData = new PortStatusData(port.ToString(), PortStatus.Unknown);
}
finally
{
tcpListener?.Stop();
}
return(portStatusData);
}
private static PortStatusData GetPortStatus(string portName)
{
PortStatusData serialPortStatus;
try
{
using var serialPort = new SerialPort(portName);
serialPort.Open();
serialPortStatus = new PortStatusData(portName, PortStatus.Free);
}
catch (UnauthorizedAccessException)
{
serialPortStatus = new PortStatusData(portName, PortStatus.InUse);
}
catch (Exception)
{
serialPortStatus = new PortStatusData(portName, PortStatus.Unknown);
}
return(serialPortStatus);
}
