protected void sendAck(Address dst, long seqno) {
if (!running) // if we are disconnected, then don't send any acks which throw exceptions on
// shutdown
return;
Message ack = new Message(dst);
ack.putHeader(this.id, UnicastHeader.createAckHeader(seqno));
if (log.isTraceEnabled())
log.trace(
new StringBuilder()
.append(local_addr)
.append(" --> ACK(")
.append(dst)
.append(": #")
.append(seqno)
.append(')'));
try {
down_prot.down(new Event(Event.MSG, ack));
num_acks_sent++;
} catch (Throwable t) {
log.error("failed sending ACK(" + seqno + ") to " + dst, t);
}
}
