void timerExpired() {
// should not happen, but if it does,
// fabricate a permanent error and forward up
DatagramRejectedMessage msg =
new DatagramRejectedMessage(message.getDestNodeID(), message.getSourceNodeID(), 0x0100);
System.out.println(
"Never received reply for datagram "
+ (message != null ? message.toString() : " == null"));
handleDatagramRejected(msg, null);
}
void endTimeout() {
if (timer != null) timer.cancel();
else
System.out.println(
"Found timer null for datagram " + (message != null ? message.toString() : " == null"));
}