Status LegacyReplicationCoordinator::setLastOptime(const OID& rid,
const OpTime& ts,
const BSONObj& config) {
std::string oplogNs = getReplicationMode() == modeReplSet?
"local.oplog.rs" : "local.oplog.$main";
if (!updateSlaveTracking(BSON("_id" << rid), config, oplogNs, ts)) {
return Status(ErrorCodes::NodeNotFound,
str::stream() << "could not update node with _id: "
<< config["_id"].Int()
<< " beacuse it cannot be found in current ReplSetConfig");
}
if (getReplicationMode() == modeReplSet && !getCurrentMemberState().primary()) {
// pass along if we are not primary
LOG(2) << "received notification that " << config << " has reached optime: "
<< ts.toStringPretty();
theReplSet->syncSourceFeedback.updateMap(rid, ts);
}
return Status::OK();
}
Status LegacyReplicationCoordinator::setLastOptime(OperationContext* txn,
const OID& rid,
const OpTime& ts) {
{
boost::lock_guard<boost::mutex> lock(_mutex);
if (ts <= mapFindWithDefault(_slaveOpTimeMap, rid, OpTime())) {
// Only update if ts is newer than what we have already
return Status::OK();
}
BSONObj config = mapFindWithDefault(_ridConfigMap, rid, BSONObj());
LOG(2) << "received notification that node with RID " << rid << " and config " << config
<< " has reached optime: " << ts.toStringPretty();
if (rid != getMyRID(txn)) {
// TODO(spencer): Remove this invariant for backwards compatibility
invariant(!config.isEmpty());
// This is what updates the progress information used for satisfying write concern
// and wakes up threads waiting for replication.
if (!updateSlaveTracking(BSON("_id" << rid), config, ts)) {
return Status(ErrorCodes::NodeNotFound,
str::stream() << "could not update node with _id: "
<< config["_id"].Int()
<< " because it cannot be found in current ReplSetConfig");
}
}
// This updates the _slaveOpTimeMap which is used for forwarding slave progress
// upstream in chained replication.
LOG(2) << "Updating our knowledge of the replication progress for node with RID " <<
rid << " to be at optime " << ts;
_slaveOpTimeMap[rid] = ts;
}
if (getReplicationMode() == modeReplSet && !getCurrentMemberState().primary()) {
// pass along if we are not primary
theReplSet->syncSourceFeedback.forwardSlaveProgress();
}
return Status::OK();
}
