Exemplo n.º 1
0
void VoteRequester::Algorithm::processResponse(const RemoteCommandRequest& request,
                                               const ResponseStatus& response) {
    _responsesProcessed++;
    if (!response.isOK()) {  // failed response
        log() << "VoteRequester: Got failed response from " << request.target << ": "
              << response.getStatus();
    } else {
        _responders.insert(request.target);
        ReplSetRequestVotesResponse voteResponse;
        const auto status = voteResponse.initialize(response.getValue().data);
        if (!status.isOK()) {
            log() << "VoteRequester: Got error processing response with status: " << status
                  << ", resp:" << response.getValue().data;
        }

        if (voteResponse.getVoteGranted()) {
            LOG(3) << "VoteRequester: Got yes vote from " << request.target
                   << ", resp:" << response.getValue().data;
            _votes++;
        } else {
            log() << "VoteRequester: Got no vote from " << request.target
                  << " because: " << voteResponse.getReason()
                  << ", resp:" << response.getValue().data;
        }

        if (voteResponse.getTerm() > _term) {
            _staleTerm = true;
        }
    }
}
Exemplo n.º 2
0
    void VoteRequester::Algorithm::processResponse(
            const RemoteCommandRequest& request,
            const ResponseStatus& response) {
        _responsesProcessed++;
        if (!response.isOK()) { // failed response
            log() << "VoteRequester: Got failed response from " << request.target
                  << ": " << response.getStatus();
        }
        else {
            ReplSetRequestVotesResponse voteResponse;
            voteResponse.initialize(response.getValue().data);
            if (voteResponse.getVoteGranted()) {
                _votes++;
            }
            else {
                log() << "VoteRequester: Got no vote from " << request.target
                      << " because: " << voteResponse.getReason();
            }

            if (voteResponse.getTerm() > _term) {
                _staleTerm = true;
            }
        }

    }
Exemplo n.º 3
0
void VoteRequester::Algorithm::processResponse(const RemoteCommandRequest& request,
                                               const RemoteCommandResponse& response) {
    auto logLine = log();
    logLine << "VoteRequester(term " << _term << (_dryRun ? " dry run" : "") << ") ";
    _responsesProcessed++;
    if (!response.isOK()) {  // failed response
        logLine << "failed to receive response from " << request.target << ": " << response.status;
        return;
    }
    _responders.insert(request.target);

    // If the primary's vote is a yes, we will set _primaryVote to be Yes.
    if (_primaryHost == request.target) {
        _primaryVote = PrimaryVote::No;
    }
    ReplSetRequestVotesResponse voteResponse;
    auto status = getStatusFromCommandResult(response.data);
    if (status.isOK()) {
        status = voteResponse.initialize(response.data);
    }
    if (!status.isOK()) {
        logLine << "received an invalid response from " << request.target << ": " << status;
        logLine << "; response message: " << response.data;
        return;
    }

    if (voteResponse.getVoteGranted()) {
        logLine << "received a yes vote from " << request.target;
        if (_primaryHost == request.target) {
            _primaryVote = PrimaryVote::Yes;
        }
        _votes++;
    } else {
        logLine << "received a no vote from " << request.target << " with reason \""
                << voteResponse.getReason() << '"';
    }

    if (voteResponse.getTerm() > _term) {
        _staleTerm = true;
    }
    logLine << "; response message: " << response.data;
}
Exemplo n.º 4
0
    bool run(OperationContext* opCtx,
             const std::string&,
             const BSONObj& cmdObj,
             BSONObjBuilder& result) final {
        Status status = getGlobalReplicationCoordinator()->checkReplEnabledForCommand(&result);
        if (!status.isOK()) {
            return appendCommandStatus(result, status);
        }

        ReplSetRequestVotesArgs parsedArgs;
        status = parsedArgs.initialize(cmdObj);
        if (!status.isOK()) {
            return appendCommandStatus(result, status);
        }

        // We want to keep request vote connection open when relinquishing primary.
        // Tag it here.
        transport::Session::TagMask originalTag = 0;
        auto session = opCtx->getClient()->session();
        if (session) {
            originalTag = session->getTags();
            session->replaceTags(originalTag | transport::Session::kKeepOpen);
        }

        // Untag the connection on exit.
        ON_BLOCK_EXIT([session, originalTag]() {
            if (session) {
                session->replaceTags(originalTag);
            }
        });

        ReplSetRequestVotesResponse response;
        status = getGlobalReplicationCoordinator()->processReplSetRequestVotes(
            opCtx, parsedArgs, &response);
        response.addToBSON(&result);
        return appendCommandStatus(result, status);
    }