Method ChecksumLogic

src/algorithm/instance.cpp:821–850

////////////////////////////////

void Instance :: ChecksumLogic(const PaxosMsg & oPaxosMsg)
{
    if (oPaxosMsg.lastchecksum() == 0)
    {
        return;
    }

    if (oPaxosMsg.instanceid() != m_oAcceptor.GetInstanceID())
    {
        return;
    }

    if (m_oAcceptor.GetInstanceID() > 0 && GetLastChecksum() == 0)
    {
        PLGErr("I have no last checksum, other last checksum %u", oPaxosMsg.lastchecksum());
        m_iLastChecksum = oPaxosMsg.lastchecksum();
        return;
    }
    
    PLGHead("my last checksum %u other last checksum %u", GetLastChecksum(), oPaxosMsg.lastchecksum());

    if (oPaxosMsg.lastchecksum() != GetLastChecksum())
    {
        PLGErr("checksum fail, my last checksum %u other last checksum %u", 
                 GetLastChecksum(), oPaxosMsg.lastchecksum());
        BP->GetInstanceBP()->ChecksumLogicFail();
    }

    assert(oPaxosMsg.lastchecksum() == GetLastChecksum());
}

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