Golang raft.Server类代码示例

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本文整理汇总了Golang中github.com/coreos/etcd/third_party/github.com/goraft/raft.Server类的典型用法代码示例。如果您正苦于以下问题：Golang Server类的具体用法？Golang Server怎么用？Golang Server使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了Server类的7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，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: SendSnapshotRecoveryRequest

// Sends SnapshotRecoveryRequest RPCs to a peer when the server is the candidate.
func (t *transporter) SendSnapshotRecoveryRequest(server raft.Server, peer *raft.Peer, req *raft.SnapshotRecoveryRequest) *raft.SnapshotRecoveryResponse {
	var b bytes.Buffer

	if _, err := req.Encode(&b); err != nil {
		log.Warn("transporter.ss.encoding.error:", err)
		return nil
	}

	u, _ := t.registry.PeerURL(peer.Name)
	log.Debugf("Send Snapshot Recovery from %s to %s", server.Name(), u)

	resp, err := t.PostSnapshot(fmt.Sprintf("%s/snapshotRecovery", u), &b)

	if err != nil {
		log.Debugf("Cannot send Snapshot Recovery to %s : %s", u, err)
	}

	if resp != nil {
		defer resp.Body.Close()

		ssrrsp := &raft.SnapshotRecoveryResponse{}
		if _, err = ssrrsp.Decode(resp.Body); err != nil && err != io.EOF {
			log.Warn("transporter.ssr.decoding.error:", err)
			return nil
		}
		return ssrrsp
	}
	return nil

}

开发者ID:joshuaconner，项目名称:etcd，代码行数:31，代码来源:transporter.go

示例2: SendVoteRequest

// Sends RequestVote RPCs to a peer when the server is the candidate.
func (t *transporter) SendVoteRequest(server raft.Server, peer *raft.Peer, req *raft.RequestVoteRequest) *raft.RequestVoteResponse {
	var b bytes.Buffer

	if _, err := req.Encode(&b); err != nil {
		log.Warn("transporter.vr.encoding.error:", err)
		return nil
	}

	u, _ := t.registry.PeerURL(peer.Name)
	log.Debugf("Send Vote from %s to %s", server.Name(), u)

	resp, _, err := t.Post(fmt.Sprintf("%s/vote", u), &b)

	if err != nil {
		log.Debugf("Cannot send VoteRequest to %s : %s", u, err)
	}

	if resp != nil {
		defer resp.Body.Close()

		rvrsp := &raft.RequestVoteResponse{}
		if _, err = rvrsp.Decode(resp.Body); err != nil && err != io.EOF {
			log.Warn("transporter.vr.decoding.error:", err)
			return nil
		}
		return rvrsp
	}
	return nil
}

开发者ID:joshuaconner，项目名称:etcd，代码行数:30，代码来源:transporter.go

示例3: Apply

// Set the key-value pair if the current value of the key equals to the given prevValue
func (c *CompareAndDeleteCommand) Apply(server raft.Server) (interface{}, error) {
	s, _ := server.StateMachine().(store.Store)

	e, err := s.CompareAndDelete(c.Key, c.PrevValue, c.PrevIndex)

	if err != nil {
		log.Debug(err)
		return nil, err
	}

	return e, nil
}

开发者ID:BREWTAN，项目名称:etcd，代码行数:13，代码来源:compare_and_delete_command.go

示例4: joinByPeer

// Send join requests to peer.
// The first return tells whether it is rejected by the cluster directly.
func (s *PeerServer) joinByPeer(server raft.Server, peer string, scheme string) (bool, error) {
	u := (&url.URL{Host: peer, Scheme: scheme}).String()

	// Our version must match the leaders version
	version, err := s.client.GetVersion(u)
	if err != nil {
		return false, fmt.Errorf("fail checking join version: %v", err)
	}
	if version < store.MinVersion() || version > store.MaxVersion() {
		return true, fmt.Errorf("fail passing version compatibility(%d-%d) using %d", store.MinVersion(), store.MaxVersion(), version)
	}

	// Fetch current peer list
	machines, err := s.client.GetMachines(u)
	if err != nil {
		return false, fmt.Errorf("fail getting machine messages: %v", err)
	}
	exist := false
	for _, machine := range machines {
		if machine.Name == server.Name() {
			exist = true
			break
		}
	}

	// Fetch cluster config to see whether exists some place.
	clusterConfig, err := s.client.GetClusterConfig(u)
	if err != nil {
		return false, fmt.Errorf("fail getting cluster config: %v", err)
	}
	if !exist && clusterConfig.ActiveSize <= len(machines) {
		return true, fmt.Errorf("stop joining because the cluster is full with %d nodes", len(machines))
	}

	joinIndex, err := s.client.AddMachine(u,
		&JoinCommand{
			MinVersion: store.MinVersion(),
			MaxVersion: store.MaxVersion(),
			Name:       server.Name(),
			RaftURL:    s.Config.URL,
			EtcdURL:    s.server.URL(),
		})
	if err != nil {
		return err.ErrorCode == etcdErr.EcodeNoMorePeer, fmt.Errorf("fail on join request: %v", err)
	}

	s.joinIndex = joinIndex
	return false, nil
}

开发者ID:BREWTAN，项目名称:etcd，代码行数:51，代码来源:peer_server.go

示例5: SetRaftServer

func (s *PeerServer) SetRaftServer(raftServer raft.Server, snapshot bool) {
	s.snapConf = &snapshotConf{
		checkingInterval: time.Second * 3,
		// this is not accurate, we will update raft to provide an api
		lastIndex:   raftServer.CommitIndex(),
		snapshotThr: uint64(s.Config.SnapshotCount),
	}

	raftServer.AddEventListener(raft.StateChangeEventType, s.raftEventLogger)
	raftServer.AddEventListener(raft.LeaderChangeEventType, s.raftEventLogger)
	raftServer.AddEventListener(raft.TermChangeEventType, s.raftEventLogger)
	raftServer.AddEventListener(raft.AddPeerEventType, s.raftEventLogger)
	raftServer.AddEventListener(raft.RemovePeerEventType, s.raftEventLogger)
	raftServer.AddEventListener(raft.HeartbeatIntervalEventType, s.raftEventLogger)
	raftServer.AddEventListener(raft.ElectionTimeoutThresholdEventType, s.raftEventLogger)

	raftServer.AddEventListener(raft.HeartbeatEventType, s.recordMetricEvent)

	raftServer.AddEventListener(raft.RemovedEventType, s.removedEvent)

	s.raftServer = raftServer
	s.removedInLog = false

	// LoadSnapshot
	if snapshot {
		err := s.raftServer.LoadSnapshot()

		if err == nil {
			log.Debugf("%s finished load snapshot", s.Config.Name)
		} else {
			log.Debug(err)
		}
	}

	s.raftServer.Init()

	// Set NOCOW for data directory in btrfs
	if btrfs.IsBtrfs(s.raftServer.LogPath()) {
		if err := btrfs.SetNOCOWFile(s.raftServer.LogPath()); err != nil {
			log.Warnf("Failed setting NOCOW: %v", err)
		}
	}
}

开发者ID:BREWTAN，项目名称:etcd，代码行数:43，代码来源:peer_server.go

示例6: SetRaftServer

func (s *PeerServer) SetRaftServer(raftServer raft.Server) {
	s.snapConf = &snapshotConf{
		checkingInterval: time.Second * 3,
		// this is not accurate, we will update raft to provide an api
		lastIndex:   raftServer.CommitIndex(),
		snapshotThr: uint64(s.Config.SnapshotCount),
	}

	raftServer.AddEventListener(raft.StateChangeEventType, s.raftEventLogger)
	raftServer.AddEventListener(raft.LeaderChangeEventType, s.raftEventLogger)
	raftServer.AddEventListener(raft.TermChangeEventType, s.raftEventLogger)
	raftServer.AddEventListener(raft.AddPeerEventType, s.raftEventLogger)
	raftServer.AddEventListener(raft.RemovePeerEventType, s.raftEventLogger)
	raftServer.AddEventListener(raft.HeartbeatIntervalEventType, s.raftEventLogger)
	raftServer.AddEventListener(raft.ElectionTimeoutThresholdEventType, s.raftEventLogger)

	raftServer.AddEventListener(raft.HeartbeatEventType, s.recordMetricEvent)

	s.raftServer = raftServer
}

开发者ID:nvdnkpr，项目名称:etcd，代码行数:20，代码来源:peer_server.go

示例7: joinByPeer

// Send join requests to peer.
func (s *PeerServer) joinByPeer(server raft.Server, peer string, scheme string) error {
	// t must be ok
	t, _ := server.Transporter().(*transporter)

	// Our version must match the leaders version
	versionURL := url.URL{Host: peer, Scheme: scheme, Path: "/version"}
	version, err := getVersion(t, versionURL)
	if err != nil {
		return fmt.Errorf("Error during join version check: %v", err)
	}
	if version < store.MinVersion() || version > store.MaxVersion() {
		return fmt.Errorf("Unable to join: cluster version is %d; version compatibility is %d - %d", version, store.MinVersion(), store.MaxVersion())
	}

	var b bytes.Buffer
	c := &JoinCommandV2{
		MinVersion: store.MinVersion(),
		MaxVersion: store.MaxVersion(),
		Name:       server.Name(),
		PeerURL:    s.Config.URL,
		ClientURL:  s.server.URL(),
	}
	json.NewEncoder(&b).Encode(c)

	joinURL := url.URL{Host: peer, Scheme: scheme, Path: "/v2/admin/machines/" + server.Name()}
	log.Infof("Send Join Request to %s", joinURL.String())

	req, _ := http.NewRequest("PUT", joinURL.String(), &b)
	resp, err := t.client.Do(req)

	for {
		if err != nil {
			return fmt.Errorf("Unable to join: %v", err)
		}
		if resp != nil {
			defer resp.Body.Close()

			log.Infof("»»»» %d", resp.StatusCode)
			if resp.StatusCode == http.StatusOK {
				var msg joinMessageV2
				if err := json.NewDecoder(resp.Body).Decode(&msg); err != nil {
					log.Debugf("Error reading join response: %v", err)
					return err
				}
				s.joinIndex = msg.CommitIndex
				s.setMode(msg.Mode)

				if msg.Mode == ProxyMode {
					s.proxyClientURL = resp.Header.Get("X-Leader-Client-URL")
					s.proxyPeerURL = resp.Header.Get("X-Leader-Peer-URL")
				}

				return nil
			}
			if resp.StatusCode == http.StatusTemporaryRedirect {
				address := resp.Header.Get("Location")
				log.Debugf("Send Join Request to %s", address)
				c := &JoinCommandV1{
					MinVersion: store.MinVersion(),
					MaxVersion: store.MaxVersion(),
					Name:       server.Name(),
					RaftURL:    s.Config.URL,
					EtcdURL:    s.server.URL(),
				}
				json.NewEncoder(&b).Encode(c)
				resp, _, err = t.Post(address, &b)

			} else if resp.StatusCode == http.StatusBadRequest {
				log.Debug("Reach max number peers in the cluster")
				decoder := json.NewDecoder(resp.Body)
				err := &etcdErr.Error{}
				decoder.Decode(err)
				return *err
			} else {
				return fmt.Errorf("Unable to join")
			}
		}

	}
}

开发者ID:joshuaconner，项目名称:etcd，代码行数:81，代码来源:peer_server.go

注：本文中的github.com/coreos/etcd/third_party/github.com/goraft/raft.Server类示例整理自Github/MSDocs等源码及文档管理平台，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。