Golang proto.Uint64函数代码示例

// Creates a new log entry associated with a log.
func newLogEntry(log *Log, event *ev, index uint64, term uint64, command Command) (*LogEntry, error) {
	var buf bytes.Buffer
	var commandName string
	if command != nil {
		commandName = command.CommandName()
		if encoder, ok := command.(CommandEncoder); ok {
			if err := encoder.Encode(&buf); err != nil {
				return nil, err
			}
		} else {
			json.NewEncoder(&buf).Encode(command)
		}
	}

	pb := &protobuf.LogEntry{
		Index:       proto.Uint64(index),
		Term:        proto.Uint64(term),
		CommandName: proto.String(commandName),
		Command:     buf.Bytes(),
	}

	e := &LogEntry{
		pb:    pb,
		log:   log,
		event: event,
	}

	return e, nil
}

// Encodes the SnapshotRecoveryRequest to a buffer. Returns the number of bytes
// written and any error that may have occurred.
func (req *SnapshotRecoveryRequest) Encode(w io.Writer) (int, error) {

	protoPeers := make([]*protobuf.SnapshotRecoveryRequest_Peer, len(req.Peers))

	for i, peer := range req.Peers {
		protoPeers[i] = &protobuf.SnapshotRecoveryRequest_Peer{
			Name:             proto.String(peer.Name),
			ConnectionString: proto.String(peer.ConnectionString),
		}
	}

	pb := &protobuf.SnapshotRecoveryRequest{
		LeaderName: proto.String(req.LeaderName),
		LastIndex:  proto.Uint64(req.LastIndex),
		LastTerm:   proto.Uint64(req.LastTerm),
		Peers:      protoPeers,
		State:      req.State,
	}
	p, err := proto.Marshal(pb)
	if err != nil {
		return -1, err
	}

	return w.Write(p)
}

func (s *WardenServer) handleLimitBandwidth(request *protocol.LimitBandwidthRequest) (proto.Message, error) {
	handle := request.GetHandle()
	rate := request.GetRate()
	burst := request.GetBurst()

	container, err := s.backend.Lookup(handle)
	if err != nil {
		return nil, err
	}

	s.bomberman.Pause(container.Handle())
	defer s.bomberman.Unpause(container.Handle())

	err = container.LimitBandwidth(warden.BandwidthLimits{
		RateInBytesPerSecond:      rate,
		BurstRateInBytesPerSecond: burst,
	})
	if err != nil {
		return nil, err
	}

	limits, err := container.CurrentBandwidthLimits()
	if err != nil {
		return nil, err
	}

	return &protocol.LimitBandwidthResponse{
		Rate:  proto.Uint64(limits.RateInBytesPerSecond),
		Burst: proto.Uint64(limits.BurstRateInBytesPerSecond),
	}, nil
}

func NewHeartbeat(sentCount, receivedCount, errorCount uint64) *events.Heartbeat {
	return &events.Heartbeat{
		SentCount:     proto.Uint64(sentCount),
		ReceivedCount: proto.Uint64(receivedCount),
		ErrorCount:    proto.Uint64(errorCount),
	}
}

func (s *WardenServer) handleCapacity(echo *protocol.CapacityRequest) (proto.Message, error) {
	capacity, err := s.backend.Capacity()
	if err != nil {
		return nil, err
	}

	return &protocol.CapacityResponse{
		MemoryInBytes: proto.Uint64(capacity.MemoryInBytes),
		DiskInBytes:   proto.Uint64(capacity.DiskInBytes),
		MaxContainers: proto.Uint64(capacity.MaxContainers),
	}, nil
}

// Creates a new AppendEntries response.
func newAppendEntriesResponse(term uint64, success bool, index uint64, commitIndex uint64) *AppendEntriesResponse {
	pb := &protobuf.AppendEntriesResponse{
		Term:        proto.Uint64(term),
		Index:       proto.Uint64(index),
		Success:     proto.Bool(success),
		CommitIndex: proto.Uint64(commitIndex),
	}

	return &AppendEntriesResponse{
		pb: pb,
	}
}

// Encodes the RequestVoteRequest to a buffer. Returns the number of bytes
// written and any error that may have occurred.
func (req *RequestVoteRequest) Encode(w io.Writer) (int, error) {
	pb := &protobuf.RequestVoteRequest{
		Term:          proto.Uint64(req.Term),
		LastLogIndex:  proto.Uint64(req.LastLogIndex),
		LastLogTerm:   proto.Uint64(req.LastLogTerm),
		CandidateName: proto.String(req.CandidateName),
	}
	p, err := proto.Marshal(pb)
	if err != nil {
		return -1, err
	}

	return w.Write(p)
}

func (s *WardenServer) handleLimitCpu(request *protocol.LimitCpuRequest) (proto.Message, error) {
	handle := request.GetHandle()
	limitInShares := request.GetLimitInShares()

	container, err := s.backend.Lookup(handle)
	if err != nil {
		return nil, err
	}

	s.bomberman.Pause(container.Handle())
	defer s.bomberman.Unpause(container.Handle())

	if request.LimitInShares != nil {
		err = container.LimitCPU(warden.CPULimits{
			LimitInShares: limitInShares,
		})
		if err != nil {
			return nil, err
		}
	}

	limits, err := container.CurrentCPULimits()
	if err != nil {
		return nil, err
	}

	return &protocol.LimitCpuResponse{
		LimitInShares: proto.Uint64(limits.LimitInShares),
	}, nil
}

// Encodes the AppendEntriesRequest to a buffer. Returns the number of bytes
// written and any error that may have occurred.
func (req *AppendEntriesRequest) Encode(w io.Writer) (int, error) {
	pb := &protobuf.AppendEntriesRequest{
		Term:         proto.Uint64(req.Term),
		PrevLogIndex: proto.Uint64(req.PrevLogIndex),
		PrevLogTerm:  proto.Uint64(req.PrevLogTerm),
		CommitIndex:  proto.Uint64(req.CommitIndex),
		LeaderName:   proto.String(req.LeaderName),
		Entries:      req.Entries,
	}

	p, err := proto.Marshal(pb)
	if err != nil {
		return -1, err
	}

	return w.Write(p)
}

// Encodes the RequestVoteResponse to a buffer. Returns the number of bytes
// written and any error that may have occurred.
func (resp *RequestVoteResponse) Encode(w io.Writer) (int, error) {
	pb := &protobuf.RequestVoteResponse{
		Term:        proto.Uint64(resp.Term),
		VoteGranted: proto.Bool(resp.VoteGranted),
	}

	p, err := proto.Marshal(pb)
	if err != nil {
		return -1, err
	}

	return w.Write(p)
}

func (c *Connection) LimitDisk(handle string, limit uint64) (*warden.LimitDiskResponse, error) {
	res, err := c.RoundTrip(
		&warden.LimitDiskRequest{
			Handle:    proto.String(handle),
			ByteLimit: proto.Uint64(limit),
		},
		&warden.LimitDiskResponse{},
	)

	if err != nil {
		return nil, err
	}

	return res.(*warden.LimitDiskResponse), nil
}

		It("should stop the container", func() {
			_, err := connection.Destroy("foo")
			Ω(err).ShouldNot(HaveOccurred())

			assertWriteBufferContains(&warden.DestroyRequest{
				Handle: proto.String("foo"),
			})
		})
	})

	Describe("Limiting Memory", func() {
		Describe("Setting the memory limit", func() {
			BeforeEach(func() {
				wardenMessages = append(wardenMessages,
					&warden.LimitMemoryResponse{LimitInBytes: proto.Uint64(40)},
				)
			})

			It("should limit memory", func() {
				res, err := connection.LimitMemory("foo", 42)
				Ω(err).ShouldNot(HaveOccurred())
				Ω(res.GetLimitInBytes()).Should(BeNumerically("==", 40))

				assertWriteBufferContains(&warden.LimitMemoryRequest{
					Handle:       proto.String("foo"),
					LimitInBytes: proto.Uint64(42),
				})
			})
		})

func (s *WardenServer) handleLimitDisk(request *protocol.LimitDiskRequest) (proto.Message, error) {
	handle := request.GetHandle()
	blockSoft := request.GetBlockSoft()
	blockHard := request.GetBlockHard()
	inodeSoft := request.GetInodeSoft()
	inodeHard := request.GetInodeHard()
	byteSoft := request.GetByteSoft()
	byteHard := request.GetByteHard()

	settingLimit := false

	if request.BlockSoft != nil || request.BlockHard != nil ||
		request.InodeSoft != nil || request.InodeHard != nil ||
		request.ByteSoft != nil || request.ByteHard != nil {
		settingLimit = true
	}

	if request.Block != nil {
		blockHard = request.GetBlock()
		settingLimit = true
	}

	if request.BlockLimit != nil {
		blockHard = request.GetBlockLimit()
		settingLimit = true
	}

	if request.Inode != nil {
		inodeHard = request.GetInode()
		settingLimit = true
	}

	if request.InodeLimit != nil {
		inodeHard = request.GetInodeLimit()
		settingLimit = true
	}

	if request.Byte != nil {
		byteHard = request.GetByte()
		settingLimit = true
	}

	if request.ByteLimit != nil {
		byteHard = request.GetByteLimit()
		settingLimit = true
	}

	container, err := s.backend.Lookup(handle)
	if err != nil {
		return nil, err
	}

	s.bomberman.Pause(container.Handle())
	defer s.bomberman.Unpause(container.Handle())

	if settingLimit {
		err = container.LimitDisk(warden.DiskLimits{
			BlockSoft: blockSoft,
			BlockHard: blockHard,
			InodeSoft: inodeSoft,
			InodeHard: inodeHard,
			ByteSoft:  byteSoft,
			ByteHard:  byteHard,
		})
		if err != nil {
			return nil, err
		}
	}

	limits, err := container.CurrentDiskLimits()
	if err != nil {
		return nil, err
	}

	return &protocol.LimitDiskResponse{
		BlockSoft: proto.Uint64(limits.BlockSoft),
		BlockHard: proto.Uint64(limits.BlockHard),
		InodeSoft: proto.Uint64(limits.InodeSoft),
		InodeHard: proto.Uint64(limits.InodeHard),
		ByteSoft:  proto.Uint64(limits.ByteSoft),
		ByteHard:  proto.Uint64(limits.ByteHard),
	}, nil
}

func (s *WardenServer) handleInfo(request *protocol.InfoRequest) (proto.Message, error) {
	handle := request.GetHandle()

	container, err := s.backend.Lookup(handle)
	if err != nil {
		return nil, err
	}

	s.bomberman.Pause(container.Handle())
	defer s.bomberman.Unpause(container.Handle())

	info, err := container.Info()
	if err != nil {
		return nil, err
	}

	properties := []*protocol.Property{}
	for key, val := range info.Properties {
		properties = append(properties, &protocol.Property{
			Key:   proto.String(key),
			Value: proto.String(val),
		})
	}

	processIDs := make([]uint64, len(info.ProcessIDs))
	for i, processID := range info.ProcessIDs {
		processIDs[i] = uint64(processID)
	}

	return &protocol.InfoResponse{
		State:         proto.String(info.State),
		Events:        info.Events,
		HostIp:        proto.String(info.HostIP),
		ContainerIp:   proto.String(info.ContainerIP),
		ContainerPath: proto.String(info.ContainerPath),
		ProcessIds:    processIDs,

		Properties: properties,

		MemoryStat: &protocol.InfoResponse_MemoryStat{
			Cache:                   proto.Uint64(info.MemoryStat.Cache),
			Rss:                     proto.Uint64(info.MemoryStat.Rss),
			MappedFile:              proto.Uint64(info.MemoryStat.MappedFile),
			Pgpgin:                  proto.Uint64(info.MemoryStat.Pgpgin),
			Pgpgout:                 proto.Uint64(info.MemoryStat.Pgpgout),
			Swap:                    proto.Uint64(info.MemoryStat.Swap),
			Pgfault:                 proto.Uint64(info.MemoryStat.Pgfault),
			Pgmajfault:              proto.Uint64(info.MemoryStat.Pgmajfault),
			InactiveAnon:            proto.Uint64(info.MemoryStat.InactiveAnon),
			ActiveAnon:              proto.Uint64(info.MemoryStat.ActiveAnon),
			InactiveFile:            proto.Uint64(info.MemoryStat.InactiveFile),
			ActiveFile:              proto.Uint64(info.MemoryStat.ActiveFile),
			Unevictable:             proto.Uint64(info.MemoryStat.Unevictable),
			HierarchicalMemoryLimit: proto.Uint64(info.MemoryStat.HierarchicalMemoryLimit),
			HierarchicalMemswLimit:  proto.Uint64(info.MemoryStat.HierarchicalMemswLimit),
			TotalCache:              proto.Uint64(info.MemoryStat.TotalCache),
			TotalRss:                proto.Uint64(info.MemoryStat.TotalRss),
			TotalMappedFile:         proto.Uint64(info.MemoryStat.TotalMappedFile),
			TotalPgpgin:             proto.Uint64(info.MemoryStat.TotalPgpgin),
			TotalPgpgout:            proto.Uint64(info.MemoryStat.TotalPgpgout),
			TotalSwap:               proto.Uint64(info.MemoryStat.TotalSwap),
			TotalPgfault:            proto.Uint64(info.MemoryStat.TotalPgfault),
			TotalPgmajfault:         proto.Uint64(info.MemoryStat.TotalPgmajfault),
			TotalInactiveAnon:       proto.Uint64(info.MemoryStat.TotalInactiveAnon),
			TotalActiveAnon:         proto.Uint64(info.MemoryStat.TotalActiveAnon),
			TotalInactiveFile:       proto.Uint64(info.MemoryStat.TotalInactiveFile),
			TotalActiveFile:         proto.Uint64(info.MemoryStat.TotalActiveFile),
			TotalUnevictable:        proto.Uint64(info.MemoryStat.TotalUnevictable),
		},

		CpuStat: &protocol.InfoResponse_CpuStat{
			Usage:  proto.Uint64(info.CPUStat.Usage),
			User:   proto.Uint64(info.CPUStat.User),
			System: proto.Uint64(info.CPUStat.System),
		},

		DiskStat: &protocol.InfoResponse_DiskStat{
			BytesUsed:  proto.Uint64(info.DiskStat.BytesUsed),
			InodesUsed: proto.Uint64(info.DiskStat.InodesUsed),
		},

		BandwidthStat: &protocol.InfoResponse_BandwidthStat{
			InRate:   proto.Uint64(info.BandwidthStat.InRate),
			InBurst:  proto.Uint64(info.BandwidthStat.InBurst),
			OutRate:  proto.Uint64(info.BandwidthStat.OutRate),
			OutBurst: proto.Uint64(info.BandwidthStat.OutBurst),
		},
	}, nil
}

func NewUUID(id *uuid.UUID) *events.UUID {
	return &events.UUID{Low: proto.Uint64(binary.LittleEndian.Uint64(id[:8])), High: proto.Uint64(binary.LittleEndian.Uint64(id[8:]))}
}