Golang raft.SnapshotSink类代码示例

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本文整理汇总了Golang中github.com/hashicorp/raft.SnapshotSink类的典型用法代码示例。如果您正苦于以下问题：Golang SnapshotSink类的具体用法？Golang SnapshotSink怎么用？Golang SnapshotSink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SnapshotSink类的20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: persistIndexes

func (s *nomadSnapshot) persistIndexes(sink raft.SnapshotSink,
	encoder *codec.Encoder) error {
	// Get all the indexes
	iter, err := s.snap.Indexes()
	if err != nil {
		return err
	}

	for {
		// Get the next item
		raw := iter.Next()
		if raw == nil {
			break
		}

		// Prepare the request struct
		idx := raw.(*state.IndexEntry)

		// Write out a node registration
		sink.Write([]byte{byte(IndexSnapshot)})
		if err := encoder.Encode(idx); err != nil {
			return err
		}
	}
	return nil
}

开发者ID:dgshep，项目名称:nomad，代码行数:26，代码来源:fsm.go

示例2: persistEvals

func (s *nomadSnapshot) persistEvals(sink raft.SnapshotSink,
	encoder *codec.Encoder) error {
	// Get all the evaluations
	evals, err := s.snap.Evals()
	if err != nil {
		return err
	}

	for {
		// Get the next item
		raw := evals.Next()
		if raw == nil {
			break
		}

		// Prepare the request struct
		eval := raw.(*structs.Evaluation)

		// Write out the evaluation
		sink.Write([]byte{byte(EvalSnapshot)})
		if err := encoder.Encode(eval); err != nil {
			return err
		}
	}
	return nil
}

开发者ID:dgshep，项目名称:nomad，代码行数:26，代码来源:fsm.go

示例3: persistJobs

func (s *nomadSnapshot) persistJobs(sink raft.SnapshotSink,
	encoder *codec.Encoder) error {
	// Get all the jobs
	jobs, err := s.snap.Jobs()
	if err != nil {
		return err
	}

	for {
		// Get the next item
		raw := jobs.Next()
		if raw == nil {
			break
		}

		// Prepare the request struct
		job := raw.(*structs.Job)

		// Write out a job registration
		sink.Write([]byte{byte(JobSnapshot)})
		if err := encoder.Encode(job); err != nil {
			return err
		}
	}
	return nil
}

开发者ID:dgshep，项目名称:nomad，代码行数:26，代码来源:fsm.go

示例4: persistTombstones

func (s *consulSnapshot) persistTombstones(sink raft.SnapshotSink,
	encoder *codec.Encoder) error {
	stones, err := s.state.Tombstones()
	if err != nil {
		return err
	}

	for stone := stones.Next(); stone != nil; stone = stones.Next() {
		sink.Write([]byte{byte(structs.TombstoneRequestType)})

		// For historical reasons, these are serialized in the snapshots
		// as KV entries. We want to keep the snapshot format compatible
		// with pre-0.6 versions for now.
		s := stone.(*state.Tombstone)
		fake := &structs.DirEntry{
			Key: s.Key,
			RaftIndex: structs.RaftIndex{
				ModifyIndex: s.Index,
			},
		}
		if err := encoder.Encode(fake); err != nil {
			return err
		}
	}
	return nil
}

开发者ID:catroot，项目名称:consul，代码行数:26，代码来源:fsm.go

示例5: persistPeriodicLaunches

func (s *nomadSnapshot) persistPeriodicLaunches(sink raft.SnapshotSink,
	encoder *codec.Encoder) error {
	// Get all the jobs
	launches, err := s.snap.PeriodicLaunches()
	if err != nil {
		return err
	}

	for {
		// Get the next item
		raw := launches.Next()
		if raw == nil {
			break
		}

		// Prepare the request struct
		launch := raw.(*structs.PeriodicLaunch)

		// Write out a job registration
		sink.Write([]byte{byte(PeriodicLaunchSnapshot)})
		if err := encoder.Encode(launch); err != nil {
			return err
		}
	}
	return nil
}

开发者ID:dgshep，项目名称:nomad，代码行数:26，代码来源:fsm.go

示例6: Persist

func (s *consulSnapshot) Persist(sink raft.SnapshotSink) error {
	// Register the nodes
	encoder := codec.NewEncoder(sink, msgpackHandle)

	// Write the header
	header := snapshotHeader{
		LastIndex: s.state.LastIndex(),
	}
	if err := encoder.Encode(&header); err != nil {
		sink.Cancel()
		return err
	}

	if err := s.persistNodes(sink, encoder); err != nil {
		sink.Cancel()
		return err
	}

	if err := s.persistSessions(sink, encoder); err != nil {
		sink.Cancel()
		return err
	}

	if err := s.persistACLs(sink, encoder); err != nil {
		sink.Cancel()
		return err
	}

	if err := s.persistKV(sink, encoder); err != nil {
		sink.Cancel()
		return err
	}
	return nil
}

开发者ID:askagirl，项目名称:consul，代码行数:34，代码来源:fsm.go

示例7: persistKV

func (s *consulSnapshot) persistKV(sink raft.SnapshotSink,
	encoder *codec.Encoder) error {
	streamCh := make(chan interface{}, 256)
	errorCh := make(chan error)
	go func() {
		if err := s.state.KVSDump(streamCh); err != nil {
			errorCh <- err
		}
	}()

	for {
		select {
		case raw := <-streamCh:
			if raw == nil {
				return nil
			}
			sink.Write([]byte{byte(structs.KVSRequestType)})
			if err := encoder.Encode(raw); err != nil {
				return err
			}

		case err := <-errorCh:
			return err
		}
	}
	return nil
}

开发者ID:askagirl，项目名称:consul，代码行数:27，代码来源:fsm.go

示例8: persistNodes

func (s *nomadSnapshot) persistNodes(sink raft.SnapshotSink,
	encoder *codec.Encoder) error {
	// Get all the nodes
	nodes, err := s.snap.Nodes()
	if err != nil {
		return err
	}

	for {
		// Get the next item
		raw := nodes.Next()
		if raw == nil {
			break
		}

		// Prepare the request struct
		node := raw.(*structs.Node)

		// Write out a node registration
		sink.Write([]byte{byte(NodeSnapshot)})
		if err := encoder.Encode(node); err != nil {
			return err
		}
	}
	return nil
}

开发者ID:dgshep，项目名称:nomad，代码行数:26，代码来源:fsm.go

示例9: persistAllocs

func (s *nomadSnapshot) persistAllocs(sink raft.SnapshotSink,
	encoder *codec.Encoder) error {
	// Get all the allocations
	allocs, err := s.snap.Allocs()
	if err != nil {
		return err
	}

	for {
		// Get the next item
		raw := allocs.Next()
		if raw == nil {
			break
		}

		// Prepare the request struct
		alloc := raw.(*structs.Allocation)

		// Write out the evaluation
		sink.Write([]byte{byte(AllocSnapshot)})
		if err := encoder.Encode(alloc); err != nil {
			return err
		}
	}
	return nil
}

开发者ID:dgshep，项目名称:nomad，代码行数:26，代码来源:fsm.go

示例10: Persist

func (snap *masterSnapshot) Persist(sink raft.SnapshotSink) error {
	data, _ := json.Marshal(snap.data)
	_, err := sink.Write(data)
	if err != nil {
		sink.Cancel()
	}
	return err
}

开发者ID:abligh，项目名称:ghostfish，代码行数:8，代码来源:raft.go

示例11: Persist

// See raft.SnapshotSink.
func (m *MockSnapshot) Persist(sink raft.SnapshotSink) error {
	hd := codec.MsgpackHandle{}
	enc := codec.NewEncoder(sink, &hd)
	if err := enc.Encode(m.logs[:m.maxIndex]); err != nil {
		sink.Cancel()
		return err
	}
	sink.Close()
	return nil
}

开发者ID:pulcy，项目名称:vault-monkey，代码行数:11，代码来源:snapshot_test.go

示例12: Persist

func (fsm *fsm) Persist(sink raft.SnapshotSink) error {
	fsm.Lock()
	defer fsm.Unlock()

	data, _ := json.Marshal(fsm)
	_, err := sink.Write(data)
	if err != nil {
		sink.Cancel()
	}
	return err
}

开发者ID:justincampbell，项目名称:goflake，代码行数:11，代码来源:raft.go

示例13: Persist

func (mfsm *MyFsm) Persist(sink raft.SnapshotSink) error {
	mfsm.mutex.Lock()
	defer mfsm.mutex.Unlock()

	var buffer bytes.Buffer
	enc := gob.NewEncoder(&buffer)
	enc.Encode(mfsm.data)
	n, err := sink.Write(buffer.Bytes())
	if err != nil {
		fmt.Printf("Error in snapshotting %s\n", err)
		return err
	}
	fmt.Printf("Snapshotted %d bytes", n)
	return nil
}

开发者ID:nipuntalukdar，项目名称:NipunTalukdarExamples，代码行数:15，代码来源:raftmodule.go

示例14: persistPreparedQueries

func (s *consulSnapshot) persistPreparedQueries(sink raft.SnapshotSink,
	encoder *codec.Encoder) error {
	queries, err := s.state.PreparedQueries()
	if err != nil {
		return err
	}

	for _, query := range queries {
		sink.Write([]byte{byte(structs.PreparedQueryRequestType)})
		if err := encoder.Encode(query); err != nil {
			return err
		}
	}
	return nil
}

开发者ID:catroot，项目名称:consul，代码行数:15，代码来源:fsm.go

示例15: persistKVs

func (s *consulSnapshot) persistKVs(sink raft.SnapshotSink,
	encoder *codec.Encoder) error {
	entries, err := s.state.KVs()
	if err != nil {
		return err
	}

	for entry := entries.Next(); entry != nil; entry = entries.Next() {
		sink.Write([]byte{byte(structs.KVSRequestType)})
		if err := encoder.Encode(entry.(*structs.DirEntry)); err != nil {
			return err
		}
	}
	return nil
}

开发者ID:catroot，项目名称:consul，代码行数:15，代码来源:fsm.go

示例16: persistSessions

func (s *consulSnapshot) persistSessions(sink raft.SnapshotSink,
	encoder *codec.Encoder) error {
	sessions, err := s.state.SessionList()
	if err != nil {
		return err
	}

	for _, s := range sessions {
		sink.Write([]byte{byte(structs.SessionRequestType)})
		if err := encoder.Encode(s); err != nil {
			return err
		}
	}
	return nil
}

开发者ID:askagirl，项目名称:consul，代码行数:15，代码来源:fsm.go

示例17: persistSessions

func (s *consulSnapshot) persistSessions(sink raft.SnapshotSink,
	encoder *codec.Encoder) error {
	sessions, err := s.state.Sessions()
	if err != nil {
		return err
	}

	for session := sessions.Next(); session != nil; session = sessions.Next() {
		sink.Write([]byte{byte(structs.SessionRequestType)})
		if err := encoder.Encode(session.(*structs.Session)); err != nil {
			return err
		}
	}
	return nil
}

开发者ID:catroot，项目名称:consul，代码行数:15，代码来源:fsm.go

示例18: persistACLs

func (s *consulSnapshot) persistACLs(sink raft.SnapshotSink,
	encoder *codec.Encoder) error {
	acls, err := s.state.ACLs()
	if err != nil {
		return err
	}

	for acl := acls.Next(); acl != nil; acl = acls.Next() {
		sink.Write([]byte{byte(structs.ACLRequestType)})
		if err := encoder.Encode(acl.(*structs.ACL)); err != nil {
			return err
		}
	}
	return nil
}

开发者ID:catroot，项目名称:consul，代码行数:15，代码来源:fsm.go

示例19: persistACLs

func (s *consulSnapshot) persistACLs(sink raft.SnapshotSink,
	encoder *codec.Encoder) error {
	acls, err := s.state.ACLList()
	if err != nil {
		return err
	}

	for _, s := range acls {
		sink.Write([]byte{byte(structs.ACLRequestType)})
		if err := encoder.Encode(s); err != nil {
			return err
		}
	}
	return nil
}

开发者ID:askagirl，项目名称:consul，代码行数:15，代码来源:fsm.go

示例20: Persist

// Persist writes a robustSnapshot to disk, i.e. handles the
// serialization details.
func (s *robustSnapshot) Persist(sink raft.SnapshotSink) error {
	stateMsg := types.RobustMessage{
		Type: types.RobustState,
		Data: base64.StdEncoding.EncodeToString(s.state), // TODO: find a more straight-forward way to encode this
	}
	stateMsgJson, err := json.Marshal(&stateMsg)
	if err != nil {
		return err
	}
	stateMsgRaftJson, err := json.Marshal(&raft.Log{
		Type:  raft.LogCommand,
		Index: 0, // never passed to raft.
		Data:  stateMsgJson,
	})
	if err != nil {
		return err
	}

	log.Printf("Copying non-deleted messages into snapshot\n")

	snapshotBytes, err := sink.Write(stateMsgRaftJson)
	if err != nil {
		return err
	}
	iterator := s.store.GetBulkIterator(s.firstIndex, s.lastIndex+1)
	defer iterator.Release()
	available := iterator.First()
	for available {
		if err := iterator.Error(); err != nil {
			return err
		}
		n, err := sink.Write(iterator.Value())
		if err != nil {
			return err
		}
		snapshotBytes += n

		available = iterator.Next()
	}
	log.Printf("snapshot: wrote %d bytes", snapshotBytes)

	log.Printf("Snapshot done\n")

	return nil
}

开发者ID:aftran，项目名称:robustirc，代码行数:47，代码来源:compaction.go

注：本文中的github.com/hashicorp/raft.SnapshotSink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。