Esempio n. 1
0
File: fsm.go Progetto: dgshep/nomad
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
}
Esempio n. 2
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// CodecEncodeSelf implements codec.Selfer
func (c *EdgeMetadatas) CodecEncodeSelf(encoder *codec.Encoder) {
	if c.psMap != nil {
		encoder.Encode(c.toIntermediate())
	} else {
		encoder.Encode(nil)
	}
}
Esempio n. 3
0
File: fsm.go Progetto: dgshep/nomad
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
}
Esempio n. 4
0
File: fsm.go Progetto: dgshep/nomad
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
}
Esempio n. 5
0
File: fsm.go Progetto: dgshep/nomad
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
}
Esempio n. 6
0
File: fsm.go Progetto: dgshep/nomad
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
}
Esempio n. 7
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// CodecEncodeSelf implements codec.Selfer
func (m *LatestMap) CodecEncodeSelf(encoder *codec.Encoder) {
	if m.Map != nil {
		encoder.Encode(m.toIntermediate())
	} else {
		encoder.Encode(nil)
	}
}
Esempio n. 8
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// CodecEncodeSelf implements codec.Selfer
func (n *PluginSpecs) CodecEncodeSelf(encoder *codec.Encoder) {
	if n.psMap != nil {
		encoder.Encode(n.toIntermediate())
	} else {
		encoder.Encode(nil)
	}
}
Esempio n. 9
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File: fsm.go Progetto: dgshep/nomad
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
}
Esempio n. 10
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// CodecEncodeSelf implements codec.Selfer
func (s *Sets) CodecEncodeSelf(encoder *codec.Encoder) {
	if s.psMap != nil {
		encoder.Encode(s.toIntermediate())
	} else {
		encoder.Encode(nil)
	}
}
Esempio n. 11
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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
}
Esempio n. 12
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func encodeRecordSet(encoder *codec.Encoder, recordSet FluentRecordSet) error {
	v := []interface{}{recordSet.Tag, recordSet.Records}
	err := encoder.Encode(v)
	if err != nil {
		return err
	}
	return err
}
Esempio n. 13
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// CodecEncodeSelf marshals this ControlInstance. It takes the basic Metric
// rendering, then adds some row-specific fields.
func (c *ControlInstance) CodecEncodeSelf(encoder *codec.Encoder) {
	encoder.Encode(wiredControlInstance{
		ProbeID: c.ProbeID,
		NodeID:  c.NodeID,
		ID:      c.Control.ID,
		Human:   c.Control.Human,
		Icon:    c.Control.Icon,
		Rank:    c.Control.Rank,
	})
}
Esempio n. 14
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func encodeRecords(encoder *codec.Encoder, records []TinyFluentRecord) error {
	for _, record := range records {
		e := map[string]interface{}{"time": record.Timestamp}
		for k, v := range record.Data {
			e[k] = v
		}
		err := encoder.Encode(e)
		if err != nil {
			return err
		}
	}
	return nil
}
Esempio n. 15
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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
}
Esempio n. 16
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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
}
Esempio n. 17
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func main() {
	log.Println("MsgPack test begin==>")
	bookNode := Book{"web-founding", 36.5}
	for i := 0; i < 200; i++ {
		bookList = append(bookList, bookNode)
	}
	log.Println("json test=>begin")
	jbook, err := json.Marshal(bookList)
	if err != nil {
		log.Println("json failed=>", err)
		return
	}
	log.Println("length[", len(jbook), "]")
	fh, _ := os.OpenFile("json.txt", os.O_CREATE|os.O_WRONLY, 0666)
	nlen, _ := fh.Write(jbook)
	log.Println("acive write byte length[", nlen, "]")
	fh.Close()
	log.Println("json test=>end")
	log.Println("==================================")
	log.Println("msgpack test=>begin")
	log.Println("msgpack encoding...")
	var h codec.Handle = new(codec.MsgpackHandle)
	var buf []byte
	var enc *codec.Encoder = codec.NewEncoderBytes(&buf, h)
	err = enc.Encode(bookList)
	if err != nil {
		log.Println("msgpack encode err:", err)
		return
	}
	// hlen := hex.Encode(dst, buf)
	log.Println("buf:=>", len(hex.EncodeToString(buf)))
	fmsg, _ := os.OpenFile("msg.txt", os.O_CREATE|os.O_WRONLY, 0666)
	nlen, _ = fmsg.Write(buf)
	log.Println("acive write byte length[", nlen, "]")
	fmsg.Close()
	log.Println("msgpack decoding...")
	var dec *codec.Decoder = codec.NewDecoderBytes(buf, h)
	v2 := new([]Book)
	log.Println("src data len=>", len(buf))
	err = dec.Decode(v2)
	if err != nil {
		log.Println("msgpack decode err:", err)
		return
	}
	// log.Println("decode=>", *v2)
	log.Println("msgpack test=>end")
	log.Println("MsgPack test end==>")
}
Esempio n. 18
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// CodecEncodeSelf marshals this MetricRow. It takes the basic Metric
// rendering, then adds some row-specific fields.
func (m *MetricRow) CodecEncodeSelf(encoder *codec.Encoder) {
	in := m.Metric.ToIntermediate()
	encoder.Encode(wiredMetricRow{
		ID:       m.ID,
		Label:    m.Label,
		Format:   m.Format,
		Group:    m.Group,
		Value:    m.Value,
		Priority: m.Priority,
		Samples:  in.Samples,
		Min:      in.Min,
		Max:      in.Max,
		First:    in.First,
		Last:     in.Last,
	})
}
Esempio n. 19
0
/*
 * New creates a new message from a message type and a generic payload
 */
func New(t Type, p interface{}) *Message {
	var mh codec.MsgpackHandle
	msg := new(Message)
	msg.Type = t

	// Encode payload to msgpack
	bb := new(bytes.Buffer)
	var enc *codec.Encoder = codec.NewEncoder(bb, &mh)
	err := enc.Encode(p)
	if err != nil {
		log.WithError(err).Error("Error encoding payload")
		return nil
	}

	// Copy the payload buffer
	msg.Payload = bb.Bytes()

	// Length is the buffer length
	msg.Length = uint32(len(msg.Payload))

	return msg
}
Esempio n. 20
0
File: fsm.go Progetto: zanella/nomad
func (s *nomadSnapshot) persistVaultAccessors(sink raft.SnapshotSink,
	encoder *codec.Encoder) error {

	accessors, err := s.snap.VaultAccessors()
	if err != nil {
		return err
	}

	for {
		raw := accessors.Next()
		if raw == nil {
			break
		}

		accessor := raw.(*structs.VaultAccessor)

		sink.Write([]byte{byte(VaultAccessorSnapshot)})
		if err := encoder.Encode(accessor); err != nil {
			return err
		}
	}
	return nil
}
Esempio n. 21
0
File: fsm.go Progetto: zanella/nomad
func (s *nomadSnapshot) persistJobSummaries(sink raft.SnapshotSink,
	encoder *codec.Encoder) error {

	summaries, err := s.snap.JobSummaries()
	if err != nil {
		return err
	}

	for {
		raw := summaries.Next()
		if raw == nil {
			break
		}

		jobSummary := raw.(structs.JobSummary)

		sink.Write([]byte{byte(JobSummarySnapshot)})
		if err := encoder.Encode(jobSummary); err != nil {
			return err
		}
	}
	return nil
}
Esempio n. 22
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func (s *consulSnapshot) persistNodes(sink raft.SnapshotSink,
	encoder *codec.Encoder) error {
	// Get all the nodes
	nodes := s.state.Nodes()

	// Register each node
	var req structs.RegisterRequest
	for i := 0; i < len(nodes); i++ {
		req = structs.RegisterRequest{
			Node:    nodes[i].Node,
			Address: nodes[i].Address,
		}

		// Register the node itself
		sink.Write([]byte{byte(structs.RegisterRequestType)})
		if err := encoder.Encode(&req); err != nil {
			return err
		}

		// Register each service this node has
		services := s.state.NodeServices(nodes[i].Node)
		for _, srv := range services.Services {
			req.Service = srv
			sink.Write([]byte{byte(structs.RegisterRequestType)})
			if err := encoder.Encode(&req); err != nil {
				return err
			}
		}

		// Register each check this node has
		req.Service = nil
		checks := s.state.NodeChecks(nodes[i].Node)
		for _, check := range checks {
			req.Check = check
			sink.Write([]byte{byte(structs.RegisterRequestType)})
			if err := encoder.Encode(&req); err != nil {
				return err
			}
		}
	}
	return nil
}
Esempio n. 23
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// CodecEncodeSelf is part of the codec.Selfer interface.
func (vs *Verbs) CodecEncodeSelf(encoder *codec.Encoder) {
	encoder.Encode(vs)
}
Esempio n. 24
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// CodecEncodeSelf implements codec.Selfer
func (c *Counters) CodecEncodeSelf(encoder *codec.Encoder) {
	encoder.Encode(c.toIntermediate())
}
Esempio n. 25
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// CodecEncodeSelf implements codec.Selfer
func (m *Metric) CodecEncodeSelf(encoder *codec.Encoder) {
	in := m.ToIntermediate()
	encoder.Encode(in)
}
Esempio n. 26
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func (l *ListLink) Encode(output *[]byte, ctx *Context) error {
	var enc *codec.Encoder = codec.NewEncoderBytes(output, ctx.mh)
	err := enc.Encode(l)
	return err
}
Esempio n. 27
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func (r Record) ToJSON(w io.Writer) error {
	var enc *codec.Encoder = codec.NewEncoder(w, codecJSON)
	return enc.Encode(r)
}
Esempio n. 28
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func (e *framedMsgpackEncoder) encodeToBytes(enc *codec.Encoder, i interface{}) (v []byte, err error) {
	enc.ResetBytes(&v)
	err = enc.Encode(i)
	return v, err
}
Esempio n. 29
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// CodecEncodeSelf implements codec.Selfer
func (nc *NodeControls) CodecEncodeSelf(encoder *codec.Encoder) {
	encoder.Encode(WireNodeControls{
		Timestamp: renderTime(nc.Timestamp),
		Controls:  nc.Controls,
	})
}
Esempio n. 30
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// handleCommand is used to decode and dispatch a single command
func (n *NetworkTransport) handleCommand(r *bufio.Reader, dec *codec.Decoder, enc *codec.Encoder) error {
	// Get the rpc type
	rpcType, err := r.ReadByte()
	if err != nil {
		return err
	}

	// Create the RPC object
	respCh := make(chan RPCResponse, 1)
	rpc := RPC{
		RespChan: respCh,
	}

	// Decode the command
	switch rpcType {
	case rpcAppendEntries:
		var req AppendEntriesRequest
		if err := dec.Decode(&req); err != nil {
			return err
		}
		rpc.Command = &req

	case rpcRequestVote:
		var req RequestVoteRequest
		if err := dec.Decode(&req); err != nil {
			return err
		}
		rpc.Command = &req

	case rpcInstallSnapshot:
		var req InstallSnapshotRequest
		if err := dec.Decode(&req); err != nil {
			return err
		}
		rpc.Command = &req
		rpc.Reader = io.LimitReader(r, req.Size)

	default:
		return fmt.Errorf("unknown rpc type %d", rpcType)
	}

	// Dispatch the RPC
	select {
	case n.consumeCh <- rpc:
	case <-n.shutdownCh:
		return ErrTransportShutdown
	}

	// Wait for response
	select {
	case resp := <-respCh:
		// Send the error first
		respErr := ""
		if resp.Error != nil {
			respErr = resp.Error.Error()
		}
		if err := enc.Encode(respErr); err != nil {
			return err
		}

		// Send the response
		if err := enc.Encode(resp.Response); err != nil {
			return err
		}
	case <-n.shutdownCh:
		return ErrTransportShutdown
	}
	return nil
}