本文整理汇总了Golang中proto-ascent/paxos/classic.PaxosMessage.Phase2Request方法的典型用法代码示例。如果您正苦于以下问题：Golang PaxosMessage.Phase2Request方法的具体用法？Golang PaxosMessage.Phase2Request怎么用？Golang PaxosMessage.Phase2Request使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类proto-ascent/paxos/classic.PaxosMessage的用法示例。
在下文中一共展示了PaxosMessage.Phase2Request方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: doPhase2
// doPhase2 performs classic paxos phase2 steps.
func (this *Paxos) doPhase2(ctxHeader *msgpb.Header, ballot int64,
value []byte, acceptorList []string) error {
phase2request := thispb.Phase2Request{}
phase2request.BallotNumber = proto.Int64(ballot)
phase2request.ProposedValue = value
message := thispb.PaxosMessage{}
message.Phase2Request = &phase2request
header := msg.NewNestedRequest(this.msn, ctxHeader, this.namespace, this.uid,
"ClassicPaxos.Phase2")
defer this.msn.CloseMessage(header)
count, errSend := msg.SendAllProto(this.msn, acceptorList, header, &message)
if errSend != nil && count < this.MajoritySize() {
this.Errorf("could not send phase2 request to majority acceptors: %v",
errSend)
return errSend
}
this.Infof("send phase2 request %s to acceptors: %v", header, acceptorList)
responseMap := make(map[string]*thispb.Phase2Response)
for ii := 0; ii < count && len(responseMap) < this.MajoritySize(); ii++ {
message := thispb.PaxosMessage{}
resHeader, errRecv := msg.ReceiveProto(this.msn, header, &message)
if errRecv != nil {
break
}
acceptor := resHeader.GetMessengerId()
if _, ok := responseMap[acceptor]; ok {
this.Warningf("duplicate phase2 response from %s (ignored)", acceptor)
continue
}
if message.Phase2Response == nil {
this.Warningf("phase2 response data is empty from %s (ignored)",
acceptor)
continue
}
response := message.GetPhase2Response()
promisedBallot := response.GetPromisedBallot()
if promisedBallot < ballot {
this.Errorf("as per phase2 response, acceptor %s seems to have rolled "+
"back on his phase1 promise to ballot %d", acceptor, ballot)
continue
}
if promisedBallot > ballot {
this.Warningf("acceptor %s has moved on to higher ballot %d", acceptor,
promisedBallot)
break
}
responseMap[acceptor] = response
}
if len(responseMap) < this.MajoritySize() {
this.Warningf("could not get majority phase2 votes %v for value [%s] "+
"ballot %d", responseMap, value, ballot)
return errs.ErrRetry
}
this.Infof("value [%s] is chosen by phase2 responses %v", value, responseMap)
return nil
}