C++ (Cpp) PaxosMsg::set_nowinstanceidの例

コード例 #1

ファイル: learner.cpp プロジェクト: BLiYing/phxpaxos

void Learner :: SendNowInstanceID(const uint64_t llInstanceID, const nodeid_t iSendNodeID)
{
    BP->GetLearnerBP()->SendNowInstanceID();

    PaxosMsg oPaxosMsg;
    oPaxosMsg.set_instanceid(llInstanceID);
    oPaxosMsg.set_nodeid(m_poConfig->GetMyNodeID());
    oPaxosMsg.set_msgtype(MsgType_PaxosLearner_SendNowInstanceID);
    oPaxosMsg.set_nowinstanceid(GetInstanceID());
    oPaxosMsg.set_minchoseninstanceid(m_poCheckpointMgr->GetMinChosenInstanceID());

    if ((GetInstanceID() - llInstanceID) > 50)
    {
        //instanceid too close not need to send vsm/master checkpoint. 
        string sSystemVariablesCPBuffer;
        int ret = m_poConfig->GetSystemVSM()->GetCheckpointBuffer(sSystemVariablesCPBuffer);
        if (ret == 0)
        {
            oPaxosMsg.set_systemvariables(sSystemVariablesCPBuffer);
        }

        string sMasterVariablesCPBuffer;
        if (m_poConfig->GetMasterSM() != nullptr)
        {
            int ret = m_poConfig->GetMasterSM()->GetCheckpointBuffer(sMasterVariablesCPBuffer);
            if (ret == 0)
            {
                oPaxosMsg.set_mastervariables(sMasterVariablesCPBuffer);
            }
        }
    }

    SendMessage(iSendNodeID, oPaxosMsg);
}