Status SyncSourceFeedback::updateUpstream(OperationContext* txn) {
ReplicationCoordinator* replCoord = getGlobalReplicationCoordinator();
if (replCoord->getMemberState().primary()) {
// primary has no one to update to
return Status::OK();
}
BSONObjBuilder cmd;
{
stdx::unique_lock<stdx::mutex> lock(_mtx);
// the command could not be created, likely because the node was removed from the set
if (!replCoord->prepareReplSetUpdatePositionCommand(&cmd)) {
return Status::OK();
}
}
BSONObj res;
LOG(2) << "Sending slave oplog progress to upstream updater: " << cmd.done();
try {
_connection->runCommand("admin", cmd.obj(), res);
}
catch (const DBException& e) {
log() << "SyncSourceFeedback error sending update: " << e.what() << endl;
// blacklist sync target for .5 seconds and find a new one
replCoord->blacklistSyncSource(_syncTarget, Date_t::now() + Milliseconds(500));
BackgroundSync::get()->clearSyncTarget();
_resetConnection();
return e.toStatus();
}
Status status = Command::getStatusFromCommandResult(res);
if (!status.isOK()) {
log() << "SyncSourceFeedback error sending update, response: " << res.toString() <<endl;
// blacklist sync target for .5 seconds and find a new one, unless we were rejected due
// to the syncsource having a newer config
if (status != ErrorCodes::InvalidReplicaSetConfig || res["cfgver"].eoo() ||
res["cfgver"].numberLong() < replCoord->getConfig().getConfigVersion()) {
replCoord->blacklistSyncSource(_syncTarget, Date_t::now() + Milliseconds(500));
BackgroundSync::get()->clearSyncTarget();
_resetConnection();
}
}
return status;
}
