C++ (Cpp) PaxosMessage::LearnProposal示例

示例#1

文件： PaxosProposer.cpp 项目： azybler/scaliendb

void PaxosProposer::OnProposeResponse(PaxosMessage& imsg)
{
    PaxosMessage omsg;
    
    Log_Trace("msg.nodeID = %u", imsg.nodeID);
    
    if (!state.proposing || imsg.proposalID != state.proposalID)
        return;
    
    if (imsg.type == PAXOS_PROPOSE_REJECTED)
    {
        Log_Debug("Propose rejected, quorumID: %U", context->GetQuorumID());
        vote->RegisterRejected(imsg.nodeID);
    }
    else
        vote->RegisterAccepted(imsg.nodeID);

    if (vote->IsRejected())
    {
        StopProposing();
        EventLoop::Add(&restartTimeout);
    }
    else if (vote->IsAccepted())
    {
        // a majority have accepted our proposal, we have consensus
        StopProposing();
        omsg.LearnProposal(context->GetPaxosID(), MY_NODEID, state.proposalID);
        BroadcastMessage(omsg);
        state.learnSent = true;
    }
}

示例#2

文件： PaxosProposer.cpp 项目： crnt/scaliendb

void PaxosProposer::OnProposeResponse(PaxosMessage& imsg)
{
    PaxosMessage omsg;
    
    Log_Trace("msg.nodeID = %u", imsg.nodeID);
    
    if (!state.proposing || imsg.proposalID != state.proposalID)
        return;
    
    if (imsg.type == PAXOS_PROPOSE_REJECTED)
    {
        Log_Debug("Propose rejected");
        vote->RegisterRejected(imsg.nodeID);
    }
    else
        vote->RegisterAccepted(imsg.nodeID);

    // see if we have enough positive replies to advance
    if (vote->IsAccepted())
    {
        // a majority have accepted our proposal, we have consensus
        StopProposing();
        omsg.LearnProposal(context->GetPaxosID(), MY_NODEID, state.proposalID);
        BroadcastMessage(omsg);
    }
    else if (vote->IsComplete())
        StartPreparing();
}