Method InitLastCheckSum

src/algorithm/instance.cpp:203–236

}

int Instance :: InitLastCheckSum()
{
    if (m_oAcceptor.GetInstanceID() == 0)
    {
        m_iLastChecksum = 0;
        return 0;
    }

    if (m_oAcceptor.GetInstanceID() <= m_oCheckpointMgr.GetMinChosenInstanceID())
    {
        m_iLastChecksum = 0;
        return 0;
    }

    AcceptorStateData oState;
    int ret = m_oPaxosLog.ReadState(m_poConfig->GetMyGroupIdx(), m_oAcceptor.GetInstanceID() - 1, oState);
    if (ret != 0 && ret != 1)
    {
        return ret;
    }

    if (ret == 1)
    {
        PLGErr("las checksum not exist, now instanceid %lu", m_oAcceptor.GetInstanceID());
        m_iLastChecksum = 0;
        return 0;
    }

    m_iLastChecksum = oState.checksum();

    PLGImp("ok, last checksum %u", m_iLastChecksum);

    return 0;
}

int Instance :: PlayLog(const uint64_t llBeginInstanceID, const uint64_t llEndInstanceID)
{