public void up(MessageBatch batch) {
for (Message msg : batch) {
DaisyHeader hdr = (DaisyHeader) msg.getHeader(getId());
if (hdr != null) {
// 1. forward the message to the next in line if ttl > 0
short ttl = hdr.getTTL();
if (log.isTraceEnabled())
log.trace(local_addr + ": received message from " + msg.getSrc() + " with ttl=" + ttl);
if (--ttl > 0) {
Message copy = msg.copy(true);
copy.setDest(next);
copy.putHeader(getId(), new DaisyHeader(ttl));
msgs_forwarded++;
if (log.isTraceEnabled())
log.trace(local_addr + ": forwarding message to " + next + " with ttl=" + ttl);
down_prot.down(new Event(Event.MSG, copy));
}
// 2. Pass up
msg.setDest(null);
}
}
if (!batch.isEmpty()) up_prot.up(batch);
}
public Object up(Event evt) {
switch (evt.getType()) {
case Event.MSG:
Message msg = (Message) evt.getArg();
DaisyHeader hdr = (DaisyHeader) msg.getHeader(getId());
if (hdr == null) break;
// 1. forward the message to the next in line if ttl > 0
short ttl = hdr.getTTL();
if (log.isTraceEnabled())
log.trace(local_addr + ": received message from " + msg.getSrc() + " with ttl=" + ttl);
if (--ttl > 0) {
Message copy = msg.copy(true);
copy.setDest(next);
copy.putHeader(getId(), new DaisyHeader(ttl));
msgs_forwarded++;
if (log.isTraceEnabled())
log.trace(local_addr + ": forwarding message to " + next + " with ttl=" + ttl);
down_prot.down(new Event(Event.MSG, copy));
}
// 2. Pass up
msg.setDest(null);
break;
}
return up_prot.up(evt);
}