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Golang Message.Index方法代码示例

本文整理汇总了Golang中github.com/coreos/etcd/raft/raftpb.Message.Index方法的典型用法代码示例。如果您正苦于以下问题:Golang Message.Index方法的具体用法?Golang Message.Index怎么用?Golang Message.Index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github.com/coreos/etcd/raft/raftpb.Message的用法示例。


在下文中一共展示了Message.Index方法的6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: sendAppend

// sendAppend sends RRPC, with entries to the given peer.
func (r *raft) sendAppend(to uint64) {
	pr := r.prs[to]
	m := pb.Message{}
	m.To = to
	if r.needSnapshot(pr.next) {
		m.Type = pb.MsgSnap
		snapshot, err := r.raftLog.snapshot()
		if err != nil {
			panic(err) // TODO(bdarnell)
		}
		if IsEmptySnap(snapshot) {
			panic("need non-empty snapshot")
		}
		m.Snapshot = snapshot
		sindex, sterm := snapshot.Metadata.Index, snapshot.Metadata.Term
		log.Printf("raft: %x [firstindex: %d, commit: %d] sent snapshot[index: %d, term: %d] to %x [%s]",
			r.id, r.raftLog.firstIndex(), r.Commit, sindex, sterm, to, pr)
	} else {
		m.Type = pb.MsgApp
		m.Index = pr.next - 1
		m.LogTerm = r.raftLog.term(pr.next - 1)
		m.Entries = r.raftLog.entries(pr.next)
		m.Commit = r.raftLog.committed
		// optimistically increase the next if the follower
		// has been matched.
		if n := len(m.Entries); pr.match != 0 && n != 0 {
			pr.optimisticUpdate(m.Entries[n-1].Index)
		}
	}
	r.send(m)
}
开发者ID:robszumski,项目名称:etcd,代码行数:32,代码来源:raft.go

示例2: sendAppend

// sendAppend sends RRPC, with entries to the given peer.
func (r *raft) sendAppend(to uint64) {
	pr := r.prs[to]
	m := pb.Message{}
	m.To = to
	if r.needSnapshot(pr.next) {
		m.Type = pb.MsgSnap
		snapshot, err := r.raftLog.snapshot()
		if err != nil {
			panic(err) // TODO(bdarnell)
		}
		if IsEmptySnap(snapshot) {
			panic("need non-empty snapshot")
		}
		m.Snapshot = snapshot
	} else {
		m.Type = pb.MsgApp
		m.Index = pr.next - 1
		m.LogTerm = r.raftLog.term(pr.next - 1)
		m.Entries = r.raftLog.entries(pr.next)
		m.Commit = r.raftLog.committed
		// optimistically increase the next if the follower
		// has been matched.
		if n := len(m.Entries); pr.match != 0 && n != 0 {
			pr.optimisticUpdate(m.Entries[n-1].Index)
		}
	}
	r.send(m)
}
开发者ID:dterei,项目名称:etcd,代码行数:29,代码来源:raft.go

示例3: sendAppend

// sendAppend sends RPC, with entries to the given peer.
func (r *raft) sendAppend(to uint64) {
	pr := r.prs[to]
	if pr.isPaused() {
		return
	}
	m := pb.Message{}
	m.To = to

	term, errt := r.raftLog.term(pr.Next - 1)
	ents, erre := r.raftLog.entries(pr.Next, r.maxMsgSize)

	if errt != nil || erre != nil { // send snapshot if we failed to get term or entries
		if !pr.RecentActive {
			r.logger.Debugf("ignore sending snapshot to %x since it is not recently active", to)
			return
		}

		m.Type = pb.MsgSnap
		snapshot, err := r.raftLog.snapshot()
		if err != nil {
			if err == ErrSnapshotTemporarilyUnavailable {
				r.logger.Debugf("%x failed to send snapshot to %x because snapshot is temporarily unavailable", r.id, to)
				return
			}
			panic(err) // TODO(bdarnell)
		}
		if IsEmptySnap(snapshot) {
			panic("need non-empty snapshot")
		}
		m.Snapshot = snapshot
		sindex, sterm := snapshot.Metadata.Index, snapshot.Metadata.Term
		r.logger.Debugf("%x [firstindex: %d, commit: %d] sent snapshot[index: %d, term: %d] to %x [%s]",
			r.id, r.raftLog.firstIndex(), r.raftLog.committed, sindex, sterm, to, pr)
		pr.becomeSnapshot(sindex)
		r.logger.Debugf("%x paused sending replication messages to %x [%s]", r.id, to, pr)
	} else {
		m.Type = pb.MsgApp
		m.Index = pr.Next - 1
		m.LogTerm = term
		m.Entries = ents
		m.Commit = r.raftLog.committed
		if n := len(m.Entries); n != 0 {
			switch pr.State {
			// optimistically increase the next when in ProgressStateReplicate
			case ProgressStateReplicate:
				last := m.Entries[n-1].Index
				pr.optimisticUpdate(last)
				pr.ins.add(last)
			case ProgressStateProbe:
				pr.pause()
			default:
				r.logger.Panicf("%x is sending append in unhandled state %s", r.id, pr.State)
			}
		}
	}
	r.send(m)
}
开发者ID:lebauce,项目名称:skydive,代码行数:58,代码来源:raft.go

示例4: sendAppend

// sendAppend sends RRPC, with entries to the given peer.
func (r *raft) sendAppend(to int64) {
	pr := r.prs[to]
	m := pb.Message{}
	m.To = to
	m.Index = pr.next - 1
	if r.needSnapshot(m.Index) {
		m.Type = msgSnap
		m.Snapshot = r.raftLog.snapshot
	} else {
		m.Type = msgApp
		m.LogTerm = r.raftLog.term(pr.next - 1)
		m.Entries = r.raftLog.entries(pr.next)
		m.Commit = r.raftLog.committed
	}
	r.send(m)
}
开发者ID:b2ornot2b,项目名称:etcd,代码行数:17,代码来源:raft.go

示例5: sendAppend

// sendAppend sends RRPC, with entries to the given peer.
func (r *raft) sendAppend(to uint64) {
	pr := r.prs[to]
	if pr.isPaused() {
		return
	}
	m := pb.Message{}
	m.To = to
	if r.needSnapshot(pr.Next) {
		m.Type = pb.MsgSnap
		snapshot, err := r.raftLog.snapshot()
		if err != nil {
			panic(err) // TODO(bdarnell)
		}
		if IsEmptySnap(snapshot) {
			panic("need non-empty snapshot")
		}
		m.Snapshot = snapshot
		sindex, sterm := snapshot.Metadata.Index, snapshot.Metadata.Term
		raftLogger.Infof("%x [firstindex: %d, commit: %d] sent snapshot[index: %d, term: %d] to %x [%s]",
			r.id, r.raftLog.firstIndex(), r.Commit, sindex, sterm, to, pr)
		pr.becomeSnapshot(sindex)
		raftLogger.Infof("%x paused sending replication messages to %x [%s]", r.id, to, pr)
	} else {
		m.Type = pb.MsgApp
		m.Index = pr.Next - 1
		m.LogTerm = r.raftLog.term(pr.Next - 1)
		m.Entries = r.raftLog.entries(pr.Next, r.maxMsgSize)
		m.Commit = r.raftLog.committed
		if n := len(m.Entries); n != 0 {
			switch pr.State {
			// optimistically increase the next when in ProgressStateReplicate
			case ProgressStateReplicate:
				last := m.Entries[n-1].Index
				pr.optimisticUpdate(last)
				pr.ins.add(last)
			case ProgressStateProbe:
				pr.pause()
			default:
				raftLogger.Panicf("%x is sending append in unhandled state %s", r.id, pr.State)
			}
		}
	}
	r.send(m)
}
开发者ID:johnchengliu,项目名称:etcd,代码行数:45,代码来源:raft.go

示例6: sendAppend

// sendAppend sends RRPC, with entries to the given peer.
func (r *raft) sendAppend(to uint64) {
	pr := r.prs[to]
	if pr.shouldWait() {
		log.Printf("raft: %x ignored sending %s to %x [%s]", r.id, pb.MsgApp, to, pr)
		return
	}
	m := pb.Message{}
	m.To = to
	if r.needSnapshot(pr.next) {
		m.Type = pb.MsgSnap
		snapshot, err := r.raftLog.snapshot()
		if err != nil {
			panic(err) // TODO(bdarnell)
		}
		if IsEmptySnap(snapshot) {
			panic("need non-empty snapshot")
		}
		m.Snapshot = snapshot
		sindex, sterm := snapshot.Metadata.Index, snapshot.Metadata.Term
		log.Printf("raft: %x [firstindex: %d, commit: %d] sent snapshot[index: %d, term: %d] to %x [%s]",
			r.id, r.raftLog.firstIndex(), r.Commit, sindex, sterm, to, pr)
		pr.waitSet(r.electionTimeout)
	} else {
		m.Type = pb.MsgApp
		m.Index = pr.next - 1
		m.LogTerm = r.raftLog.term(pr.next - 1)
		m.Entries = r.raftLog.entries(pr.next)
		m.Commit = r.raftLog.committed
		// optimistically increase the next if the follower
		// has been matched.
		if n := len(m.Entries); pr.match != 0 && n != 0 {
			pr.optimisticUpdate(m.Entries[n-1].Index)
		} else if pr.match == 0 {
			// TODO (xiangli): better way to find out if the follower is in good path or not
			// a follower might be in bad path even if match != 0, since we optimistically
			// increase the next.
			pr.waitSet(r.heartbeatTimeout)
		}
	}
	r.send(m)
}
开发者ID:ngpestelos,项目名称:etcd,代码行数:42,代码来源:raft.go


注:本文中的github.com/coreos/etcd/raft/raftpb.Message.Index方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。