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C++ LastVote::setTerm方法代码示例

本文整理汇总了C++中LastVote::setTerm方法的典型用法代码示例。如果您正苦于以下问题:C++ LastVote::setTerm方法的具体用法?C++ LastVote::setTerm怎么用?C++ LastVote::setTerm使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在LastVote的用法示例。


在下文中一共展示了LastVote::setTerm方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: _onDryRunComplete

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 "not running for primary, we have been superceded already";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 "not running for primary, we have been superceded already";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();
}
开发者ID:CaffeineForCode,项目名称:mongo,代码行数:47,代码来源:replication_coordinator_impl_elect_v1.cpp


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