private void SendRouteError(Message.RouteError re)
{
Frame frame = Frame.GetFrame(_macHeader + Message.RouteError.cLength + _macTailer);
if (frame == null)
return;
frame.ReserveHeader(_macHeader);
if (re.WriteToFrame(frame))
{
UInt16 nextHop;
if (_routingTable.GetRoute(re.TargetAddr, out nextHop))
{
MacDataRequest(nextHop, ref frame);
}
}
Frame.Release(ref frame);
}
private void SendRoutingMessage(Message.RoutingMessage rm)
{
Frame frame = Frame.GetFrame(_macHeader + Message.RoutingMessage.cLength + _macTailer);
if (frame == null)
return;
frame.ReserveHeader(_macHeader);
if (!rm.WriteToFrame(frame))
{
Frame.Release(ref frame);
return;
}
bool ok;
UInt16 nextHop;
if (rm.IsRequest)
{
ok = true;
nextHop = cBroadcastShortAddr;
}
else
{
ok = _routingTable.GetRoute(rm.TargetAddr, out nextHop);
}
if (ok)
{
Trace.Print("Sending " + rm.ToString());
MacDataRequest(nextHop, ref frame);
}
Frame.Release(ref frame);
}