void ReplicationCoordinatorImpl::_handleHeartbeatResponse(
const ReplicationExecutor::RemoteCommandCallbackData& cbData) {
// remove handle from queued heartbeats
_untrackHeartbeatHandle(cbData.myHandle);
// Parse and validate the response. At the end of this step, if responseStatus is OK then
// hbResponse is valid.
Status responseStatus = cbData.response.getStatus();
if (responseStatus == ErrorCodes::CallbackCanceled) {
return;
}
const HostAndPort& target = cbData.request.target;
ReplSetHeartbeatResponse hbResponse;
BSONObj resp;
if (responseStatus.isOK()) {
resp = cbData.response.getValue().data;
responseStatus = getStatusFromCommandResult(resp);
}
if (responseStatus.isOK()) {
responseStatus = hbResponse.initialize(resp);
}
if (!responseStatus.isOK()) {
LOG(1) << "Error in heartbeat request to " << target << ";" << responseStatus;
if (!resp.isEmpty()) {
LOG(3) << "heartbeat response: " << resp;
}
}
const Date_t now = _replExecutor.now();
const OpTime lastApplied = _getLastOpApplied(); // Locks and unlocks _mutex.
Milliseconds networkTime(0);
StatusWith<ReplSetHeartbeatResponse> hbStatusResponse(hbResponse);
if (cbData.response.isOK()) {
networkTime = cbData.response.getValue().elapsedMillis;
}
else {
hbStatusResponse = StatusWith<ReplSetHeartbeatResponse>(responseStatus);
}
HeartbeatResponseAction action =
_topCoord->processHeartbeatResponse(
now,
networkTime,
target,
hbStatusResponse,
lastApplied);
_scheduleHeartbeatToTarget(
target,
std::max(now, action.getNextHeartbeatStartDate()));
_handleHeartbeatResponseAction(action, hbStatusResponse);
}
void ReplicationCoordinatorImpl::_handleHeartbeatResponse(
const ReplicationExecutor::RemoteCommandCallbackData& cbData, int targetIndex) {
// remove handle from queued heartbeats
_untrackHeartbeatHandle(cbData.myHandle);
// Parse and validate the response. At the end of this step, if responseStatus is OK then
// hbResponse is valid.
Status responseStatus = cbData.response.getStatus();
if (responseStatus == ErrorCodes::CallbackCanceled) {
return;
}
const HostAndPort& target = cbData.request.target;
ReplSetHeartbeatResponse hbResponse;
BSONObj resp;
if (responseStatus.isOK()) {
resp = cbData.response.getValue().data;
responseStatus = hbResponse.initialize(resp);
}
const bool isUnauthorized = (responseStatus.code() == ErrorCodes::Unauthorized) ||
(responseStatus.code() == ErrorCodes::AuthenticationFailed);
const Date_t now = _replExecutor.now();
const Timestamp lastApplied = getMyLastOptime(); // Locks and unlocks _mutex.
Milliseconds networkTime(0);
StatusWith<ReplSetHeartbeatResponse> hbStatusResponse(hbResponse);
if (responseStatus.isOK()) {
networkTime = cbData.response.getValue().elapsedMillis;
}
else {
log() << "Error in heartbeat request to " << target << "; " << responseStatus;
if (!resp.isEmpty()) {
LOG(3) << "heartbeat response: " << resp;
}
if (isUnauthorized) {
networkTime = cbData.response.getValue().elapsedMillis;
}
hbStatusResponse = StatusWith<ReplSetHeartbeatResponse>(responseStatus);
}
HeartbeatResponseAction action =
_topCoord->processHeartbeatResponse(
now,
networkTime,
target,
hbStatusResponse,
lastApplied);
if (action.getAction() == HeartbeatResponseAction::NoAction &&
hbStatusResponse.isOK() &&
hbStatusResponse.getValue().hasOpTime() &&
targetIndex >= 0 &&
hbStatusResponse.getValue().hasState() &&
hbStatusResponse.getValue().getState() != MemberState::RS_PRIMARY) {
boost::unique_lock<boost::mutex> lk(_mutex);
if (hbStatusResponse.getValue().getVersion() == _rsConfig.getConfigVersion()) {
_updateOpTimeFromHeartbeat_inlock(targetIndex,
hbStatusResponse.getValue().getOpTime());
// TODO: Enable with Data Replicator
//lk.unlock();
//_dr.slavesHaveProgressed();
}
}
_signalStepDownWaiters();
_scheduleHeartbeatToTarget(
target,
targetIndex,
std::max(now, action.getNextHeartbeatStartDate()));
_handleHeartbeatResponseAction(action, hbStatusResponse);
}