/** @return True . */
private boolean innerRun(int packetNo, BitArray copied) {
try {
Message msg = DMT.createPacketTransmit(_uid, packetNo, copied, _prb.getPacket(packetNo), realTime);
MyAsyncMessageCallback cb = new MyAsyncMessageCallback();
MessageItem item;
// Everything is throttled.
item = _destination.sendAsync(msg, cb, _ctr);
synchronized(itemsPending) {
itemsPending.add(item);
}