bool thInterfaceIO_HandlerStatusCallback(TrafficHandlerPort sender, TrafficHandlerPort attacher)
{
CheckPorts(sender, InterfaceIOPort);
DirectInterfaceIOHandler thLocalHandler = (DirectInterfaceIOHandler)TrafficHandler;
return(attacher.ParentHandler is IPInterface && thLocalHandler.ContainsInterface((IPInterface)attacher.ParentHandler));
}
/// <summary>
/// Creates an InterfaceIO port
/// </summary>
/// <param name="h">The DirectInterfaceIOHandler to create the port for</param>
/// <returns>The created port</returns>
protected TrafficHandlerPort CreateDirectInterfaceIOPort(DirectInterfaceIOHandler h)
{
if (h != TrafficHandler)
{
throw new InvalidOperationException("It's not allowed to create a port with a traffic handler which was not created by this definition");
}
InterfaceIOPort = new TrafficHandlerPort(this, "Interface IO Port", "A port which receives and transmits data from and to an inbound network interface", PortType.InterfaceIO, "I/O");
InterfaceIOPort.HandlerAttaching += new TrafficHandlerPort.PortActionEventHandler(thInterfaceIO_HandlerAttached);
InterfaceIOPort.HandlerStatusCallback += new TrafficHandlerPort.PortQueryEventHandler(thInterfaceIO_HandlerStatusCallback);
InterfaceIOPort.HandlerDetaching += new TrafficHandlerPort.PortActionEventHandler(thInterfaceIO_HandlerDetached);
return(InterfaceIOPort);
}
private bool AttachInterface(TrafficHandlerPort h)
{
DirectInterfaceIOHandler thLocalHandler = (DirectInterfaceIOHandler)TrafficHandler;
if (h.PortType == PortType.Interface)
{
if (h.ParentHandler is IPInterface)
{
IPInterface ipi = (IPInterface)h.ParentHandler;
if (!thLocalHandler.ContainsInterface(ipi))
{
thLocalHandler.AddInterface(ipi);
}
else
{
throw new InvalidOperationException("The ports " + h.Name + " and " + InterfaceIOPort.Name + " are already connected.");
}
return(true);
}
}
throw new InvalidOperationException("The " + InterfaceIOPort.Name + " cannot be used with other ports then interface ports or other devices then ip interfaces.");
}
