/**
* Register a tree for the given request to be compared to the appropriate trees in
* Stage.ANTIENTROPY when they become available.
*/
private void rendezvous(TreeRequest request, MerkleTree tree) {
RepairSession session = sessions.get(request.sessionid);
if (session == null) {
logger.warn(
"Got a merkle tree response for unknown repair session {}: either this node has been restarted since the session was started, or the session has been interrupted for an unknown reason. ",
request.sessionid);
return;
}
RepairSession.RepairJob job = session.jobs.peek();
if (job == null) {
assert session.terminated();
return;
}
logger.info(
String.format(
"[repair #%s] Received merkle tree for %s from %s",
session.getName(), request.cf.right, request.endpoint));
if (job.addTree(request, tree) == 0) {
logger.debug("All trees received for " + session.getName() + "/" + request.cf.right);
job.submitDifferencers();
// This job is complete, switching to next in line (note that only
// one thread will can ever do this)
session.jobs.poll();
RepairSession.RepairJob nextJob = session.jobs.peek();
if (nextJob == null)
// We are done with this repair session as far as differencing
// is considern. Just inform the session
session.differencingDone.signalAll();
else nextJob.sendTreeRequests();
}
}
public void terminateSessions() {
for (RepairSession session : sessions.values()) {
session.forceShutdown();
}
}