void ReplicationCoordinatorImpl::_onDryRunComplete(long long originalTerm) {
stdx::lock_guard<stdx::mutex> lk(_mutex);
LoseElectionDryRunGuardV1 lossGuard(this);
invariant(_voteRequester);
if (_topCoord->getTerm() != originalTerm) {
log() << "not running for primary, we have been superseded already during dry run. "
<< "original term: " << originalTerm << ", current term: " << _topCoord->getTerm();
return;
}
const VoteRequester::Result endResult = _voteRequester->getResult();
if (endResult == VoteRequester::Result::kInsufficientVotes) {
log() << "not running for primary, we received insufficient votes";
return;
} else if (endResult == VoteRequester::Result::kStaleTerm) {
log() << "not running for primary, we have been superseded already";
return;
} else if (endResult == VoteRequester::Result::kPrimaryRespondedNo) {
log() << "not running for primary, the current primary responded no in the dry run";
return;
} else if (endResult != VoteRequester::Result::kSuccessfullyElected) {
log() << "not running for primary, we received an unexpected problem";
return;
}
long long newTerm = originalTerm + 1;
log() << "dry election run succeeded, running for election in term " << newTerm;
// Stepdown is impossible from this term update.
TopologyCoordinator::UpdateTermResult updateTermResult;
_updateTerm_inlock(newTerm, &updateTermResult);
invariant(updateTermResult == TopologyCoordinator::UpdateTermResult::kUpdatedTerm);
// Secure our vote for ourself first
_topCoord->voteForMyselfV1();
// Store the vote in persistent storage.
LastVote lastVote{newTerm, _selfIndex};
auto cbStatus = _replExecutor->scheduleWork(
[this, lastVote](const executor::TaskExecutor::CallbackArgs& cbData) {
_writeLastVoteForMyElection(lastVote, cbData);
});
if (cbStatus.getStatus() == ErrorCodes::ShutdownInProgress) {
return;
}
fassert(34421, cbStatus.getStatus());
lossGuard.dismiss();
}
void ReplicationCoordinatorImpl::_onDryRunComplete(long long originalTerm) {
invariant(_voteRequester);
LoseElectionDryRunGuardV1 lossGuard(this);
LockGuard lk(_topoMutex);
if (_topCoord->getTerm() != originalTerm) {
log() << "not running for primary, we have been superceded already";
return;
}
const VoteRequester::Result endResult = _voteRequester->getResult();
if (endResult == VoteRequester::Result::kInsufficientVotes) {
log() << "not running for primary, we received insufficient votes";
return;
} else if (endResult == VoteRequester::Result::kStaleTerm) {
log() << "not running for primary, we have been superceded already";
return;
} else if (endResult != VoteRequester::Result::kSuccessfullyElected) {
log() << "not running for primary, we received an unexpected problem";
return;
}
log() << "dry election run succeeded, running for election";
// Stepdown is impossible from this term update.
TopologyCoordinator::UpdateTermResult updateTermResult;
_updateTerm_incallback(originalTerm + 1, &updateTermResult);
invariant(updateTermResult == TopologyCoordinator::UpdateTermResult::kUpdatedTerm);
// Secure our vote for ourself first
_topCoord->voteForMyselfV1();
// Store the vote in persistent storage.
LastVote lastVote;
lastVote.setTerm(originalTerm + 1);
lastVote.setCandidateIndex(_selfIndex);
auto cbStatus = _replExecutor.scheduleDBWork(
[this, lastVote](const ReplicationExecutor::CallbackArgs& cbData) {
_writeLastVoteForMyElection(lastVote, cbData);
});
if (cbStatus.getStatus() == ErrorCodes::ShutdownInProgress) {
return;
}
fassert(34421, cbStatus.getStatus());
lossGuard.dismiss();
}
