public static Channel GetChannel(Channel channel)
{
if (channel is Serial)
{
Serial serial = channel as Serial;
return(GetChannel(serial.PortName));
}
else if (channel is Ethernet)
{
Ethernet ethernet = channel as Ethernet;
return(GetChannel(ethernet.RemoteIP, ethernet.RemotePort));
}
else if (channel is EthernetListener)
{
EthernetListener listener = channel as EthernetListener;
return(GetChannel(listener.LocalPort));
}
else if (channel is ListenerServer)
{
ListenerServer listenerServer = channel as ListenerServer;
ListenerServer result;
GetChannel(listenerServer.LocalPort, out result);
return(result);
}
else
{
return(null);
}
}
public static void GetChannel(int port, out ListenerServer listenerServer)
{
try
{
foreach (Channel c in m_channels)
{
if (c.GetType() == typeof(ListenerServer))
{
ListenerServer listener = c as ListenerServer;
if (listener.LocalPort == port)
{
listenerServer = listener;
return;
}
}
}
listenerServer = null;
}
catch (ComDriveExceptions ex)
{
throw;
}
catch (Exception ex)
{
string exceptionText = ex.GetType().ToString() + ": " + ex.Message + "\n\n" + ex.StackTrace;
ComDriverLogger.LogExceptions(DateTime.Now, exceptionText);
throw;
}
}
public static void GetPLC(ListenerServer litenerServer)
{
try
{
bool isConnected = false;
Channel plcChannel = getChannel(litenerServer, ref isConnected);
ListenerServer listener = plcChannel as ListenerServer;
if (listener == null)
{
throw new ComDriveExceptions("Listener Server could not be intialized due to unexpected error",
ComDriveExceptions.ComDriveException.UnexpectedError);
}
listener.Listen();
}
catch (ComDriveExceptions ex)
{
throw;
}
catch (Exception ex)
{
string exceptionText = ex.GetType().ToString() + ": " + ex.Message + "\n\n" + ex.StackTrace;
ComDriverLogger.LogExceptions(DateTime.Now, exceptionText);
throw;
}
}
internal override bool IsEquivalentChannel(Channel anotherChanel)
{
ListenerServer listenerServer = anotherChanel as ListenerServer;
if (listenerServer.LocalPort == m_LocalPort)
{
return(true);
}
else
{
return(false);
}
}
internal static bool ValidateChannelPropertyChange(ListenerServer channel, int newPort)
{
if (!m_channels.Contains(channel))
{
return(true);
}
else
{
ListenerServer listener;
GetChannel(newPort, out listener);
if (listener == null)
{
return(true);
}
else
{
return(false);
}
}
}