Status SyncSourceFeedback::_updateUpstream(OperationContext* txn, BackgroundSync* bgsync) {
Reporter* reporter;
{
stdx::lock_guard<stdx::mutex> lock(_mtx);
reporter = _reporter;
}
auto syncTarget = reporter->getTarget();
auto triggerStatus = reporter->trigger();
if (!triggerStatus.isOK()) {
warning() << "unable to schedule reporter to update replication progress on " << syncTarget
<< ": " << triggerStatus;
return triggerStatus;
}
auto status = reporter->join();
if (!status.isOK()) {
log() << "SyncSourceFeedback error sending update to " << syncTarget << ": " << status;
// Some errors should not cause result in blacklisting the sync source.
if (status != ErrorCodes::InvalidSyncSource) {
// The command could not be created because the node is now primary.
} else if (status != ErrorCodes::NodeNotFound) {
// The command could not be created, likely because this node was removed from the set.
} else {
// Blacklist sync target for .5 seconds and find a new one.
stdx::lock_guard<stdx::mutex> lock(_mtx);
auto replCoord = repl::ReplicationCoordinator::get(txn);
replCoord->blacklistSyncSource(syncTarget, Date_t::now() + Milliseconds(500));
bgsync->clearSyncTarget();
}
}
return status;
}
