Exemplo n.º 1
0
void Proposer :: OnPrepareReply(const PaxosMsg & oPaxosMsg)
{
    PLGHead("START Msg.ProposalID %lu State.ProposalID %lu Msg.from_nodeid %lu RejectByPromiseID %lu",
            oPaxosMsg.proposalid(), m_oProposerState.GetProposalID(), 
            oPaxosMsg.nodeid(), oPaxosMsg.rejectbypromiseid());

    BP->GetProposerBP()->OnPrepareReply();
    
    if (!m_bIsPreparing)
    {
        BP->GetProposerBP()->OnPrepareReplyButNotPreparing();
        //PLGErr("Not preparing, skip this msg");
        return;
    }

    if (oPaxosMsg.proposalid() != m_oProposerState.GetProposalID())
    {
        BP->GetProposerBP()->OnPrepareReplyNotSameProposalIDMsg();
        //PLGErr("ProposalID not same, skip this msg");
        return;
    }

    m_oMsgCounter.AddReceive(oPaxosMsg.nodeid());

    if (oPaxosMsg.rejectbypromiseid() == 0)
    {
        BallotNumber oBallot(oPaxosMsg.preacceptid(), oPaxosMsg.preacceptnodeid());
        PLGDebug("[Promise] PreAcceptedID %lu PreAcceptedNodeID %lu ValueSize %zu", 
                oPaxosMsg.preacceptid(), oPaxosMsg.preacceptnodeid(), oPaxosMsg.value().size());
        m_oMsgCounter.AddPromiseOrAccept(oPaxosMsg.nodeid());
        m_oProposerState.AddPreAcceptValue(oBallot, oPaxosMsg.value());
    }
    else
    {
        PLGDebug("[Reject] RejectByPromiseID %lu", oPaxosMsg.rejectbypromiseid());
        m_oMsgCounter.AddReject(oPaxosMsg.nodeid());
        m_bWasRejectBySomeone = true;
        m_oProposerState.SetOtherProposalID(oPaxosMsg.rejectbypromiseid());
    }

    if (m_oMsgCounter.IsPassedOnThisRound())
    {
        int iUseTimeMs = m_oTimeStat.Point();
        BP->GetProposerBP()->PreparePass(iUseTimeMs);
        PLGImp("[Pass] start accept, usetime %dms", iUseTimeMs);
        m_bCanSkipPrepare = true;
        Accept();
    }
    else if (m_oMsgCounter.IsRejectedOnThisRound()
            || m_oMsgCounter.IsAllReceiveOnThisRound())
    {
        BP->GetProposerBP()->PrepareNotPass();
        PLGImp("[Not Pass] wait 30ms and restart prepare");
        AddPrepareTimer(OtherUtils::FastRand() % 30 + 10);
    }

    PLGHead("END");
}
Exemplo n.º 2
0
void Proposer :: OnExpiredAcceptReply(const PaxosMsg & oPaxosMsg)
{
    if (oPaxosMsg.rejectbypromiseid() != 0)
    {
        PLGDebug("[Expired Accept Reply Reject] RejectByPromiseID %lu", oPaxosMsg.rejectbypromiseid());
        m_bWasRejectBySomeone = true;
        m_oProposerState.SetOtherProposalID(oPaxosMsg.rejectbypromiseid());
    }
}
Exemplo n.º 3
0
void Proposer :: OnAcceptReply(const PaxosMsg & oPaxosMsg)
{
    PLGHead("START Msg.ProposalID %lu State.ProposalID %lu Msg.from_nodeid %lu RejectByPromiseID %lu",
            oPaxosMsg.proposalid(), m_oProposerState.GetProposalID(), 
            oPaxosMsg.nodeid(), oPaxosMsg.rejectbypromiseid());

    BP->GetProposerBP()->OnAcceptReply();

    if (!m_bIsAccepting)
    {
        //PLGErr("Not proposing, skip this msg");
        BP->GetProposerBP()->OnAcceptReplyButNotAccepting();
        return;
    }

    if (oPaxosMsg.proposalid() != m_oProposerState.GetProposalID())
    {
        //PLGErr("ProposalID not same, skip this msg");
        BP->GetProposerBP()->OnAcceptReplyNotSameProposalIDMsg();
        return;
    }

    m_oMsgCounter.AddReceive(oPaxosMsg.nodeid());

    if (oPaxosMsg.rejectbypromiseid() == 0)
    {
        PLGDebug("[Accept]");
        m_oMsgCounter.AddPromiseOrAccept(oPaxosMsg.nodeid());
    }
    else
    {
        PLGDebug("[Reject]");
        m_oMsgCounter.AddReject(oPaxosMsg.nodeid());

        m_bWasRejectBySomeone = true;

        m_oProposerState.SetOtherProposalID(oPaxosMsg.rejectbypromiseid());
    }

    if (m_oMsgCounter.IsPassedOnThisRound())
    {
        int iUseTimeMs = m_oTimeStat.Point();
        BP->GetProposerBP()->AcceptPass(iUseTimeMs);
        PLGImp("[Pass] Start send learn, usetime %dms", iUseTimeMs);
        ExitAccept();
        m_poLearner->ProposerSendSuccess(GetInstanceID(), m_oProposerState.GetProposalID());
    }
    else if (m_oMsgCounter.IsRejectedOnThisRound()
            || m_oMsgCounter.IsAllReceiveOnThisRound())
    {
        BP->GetProposerBP()->AcceptNotPass();
        PLGImp("[Not pass] wait 30ms and Restart prepare");
        AddAcceptTimer(OtherUtils::FastRand() % 30 + 10);
    }

    PLGHead("END");
}