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Golang binary.Read函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Golang中encoding/binary.Read函数的典型用法代码示例。如果您正苦于以下问题:Golang Read函数的具体用法?Golang Read怎么用?Golang Read使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了Read函数的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: convertIPPDateToTime

// convertIPPDateToTime converts an RFC 2579 date to a time.Time object.
func convertIPPDateToTime(date *C.ipp_uchar_t) time.Time {
	r := bytes.NewReader(C.GoBytes(unsafe.Pointer(date), 11))
	var year uint16
	var month, day, hour, min, sec, dsec uint8
	binary.Read(r, binary.BigEndian, &year)
	binary.Read(r, binary.BigEndian, &month)
	binary.Read(r, binary.BigEndian, &day)
	binary.Read(r, binary.BigEndian, &hour)
	binary.Read(r, binary.BigEndian, &min)
	binary.Read(r, binary.BigEndian, &sec)
	binary.Read(r, binary.BigEndian, &dsec)

	var utcDirection, utcHour, utcMin uint8
	binary.Read(r, binary.BigEndian, &utcDirection)
	binary.Read(r, binary.BigEndian, &utcHour)
	binary.Read(r, binary.BigEndian, &utcMin)

	var utcOffset time.Duration
	utcOffset += time.Duration(utcHour) * time.Hour
	utcOffset += time.Duration(utcMin) * time.Minute
	var loc *time.Location
	if utcDirection == '-' {
		loc = time.FixedZone("", -int(utcOffset.Seconds()))
	} else {
		loc = time.FixedZone("", int(utcOffset.Seconds()))
	}

	nsec := int(dsec) * 100 * int(time.Millisecond)

	return time.Date(int(year), time.Month(month), int(day), int(hour), int(min), int(sec), nsec, loc)
}
开发者ID:TechEdge01,项目名称:cups-connector,代码行数:32,代码来源:cups.go


示例2: ReadNewInvalidState

func ReadNewInvalidState(in io.Reader) *NewInvalidState {
	var reason, gameMode byte
	binary.Read(in, ByteOrder, &reason)
	binary.Read(in, ByteOrder, &gameMode)
	ptr := NewInvalidState{reason, gameMode}
	return &ptr
}
开发者ID:mvm,项目名称:ChinoFarmer,代码行数:7,代码来源:net.go


示例3: ReadFrom

func (e *indexEntry) ReadFrom(r io.Reader) (n int64, err error) {
	var deleted byte
	if err = binary.Read(r, binary.BigEndian, &deleted); err != nil {
		return 0, err
	}
	e.deleted = (deleted != 0)

	var value_len uint32
	if err = binary.Read(r, binary.BigEndian, &value_len); err != nil {
		return 0, err
	}

	value := make([]byte, int(value_len))
	for i := 0; i < int(value_len); i++ {
		var b byte
		if err = binary.Read(r, binary.BigEndian, &b); err != nil {
			return 0, err
		}
		value[i] = b
	}
	e.value = string(value)

	var id int64
	if err = binary.Read(r, binary.BigEndian, &id); err != nil {
		return 0, err
	}
	e.id = id

	return int64(binary.Size(deleted) + binary.Size(value) + binary.Size(id)), nil
}
开发者ID:screscent,项目名称:epos,代码行数:30,代码来源:index.go


示例4: ReadTimestampedEntryInto

// ReadTimestampedEntryInto parses the byte-stream representation of a
// TimestampedEntry from |r| and populates the struct |t| with the data.  See
// RFC section 3.4 for details on the format.
// Returns a non-nil error if there was a problem.
func ReadTimestampedEntryInto(r io.Reader, t *TimestampedEntry) error {
	var err error
	if err = binary.Read(r, binary.BigEndian, &t.Timestamp); err != nil {
		return err
	}
	if err = binary.Read(r, binary.BigEndian, &t.EntryType); err != nil {
		return err
	}
	switch t.EntryType {
	case X509LogEntryType:
		if t.X509Entry, err = readVarBytes(r, CertificateLengthBytes); err != nil {
			return err
		}
	case PrecertLogEntryType:
		if err := binary.Read(r, binary.BigEndian, &t.PrecertEntry.IssuerKeyHash); err != nil {
			return err
		}
		if t.PrecertEntry.TBSCertificate, err = readVarBytes(r, PreCertificateLengthBytes); err != nil {
			return err
		}
	case XJSONLogEntryType:
		if t.JSONData, err = readVarBytes(r, JSONLengthBytes); err != nil {
			return err
		}
	default:
		return fmt.Errorf("unknown EntryType: %d", t.EntryType)
	}
	t.Extensions, err = readVarBytes(r, ExtensionsLengthBytes)
	return nil
}
开发者ID:jfrazelle,项目名称:cfssl,代码行数:34,代码来源:serialization.go


示例5: readStats

func readStats(r io.Reader, typ string) (*ReferenceStats, error) {
	var (
		vOff  uint64
		stats ReferenceStats
		err   error
	)
	err = binary.Read(r, binary.LittleEndian, &vOff)
	if err != nil {
		return nil, fmt.Errorf("%s: failed to read index stats chunk begin virtual offset: %v", typ, err)
	}
	stats.Chunk.Begin = makeOffset(vOff)
	err = binary.Read(r, binary.LittleEndian, &vOff)
	if err != nil {
		return nil, fmt.Errorf("%s: failed to read index stats chunk end virtual offset: %v", typ, err)
	}
	stats.Chunk.End = makeOffset(vOff)
	err = binary.Read(r, binary.LittleEndian, &stats.Mapped)
	if err != nil {
		return nil, fmt.Errorf("%s: failed to read index stats mapped count: %v", typ, err)
	}
	err = binary.Read(r, binary.LittleEndian, &stats.Unmapped)
	if err != nil {
		return nil, fmt.Errorf("%s: failed to read index stats unmapped count: %v", typ, err)
	}
	return &stats, nil
}
开发者ID:pombredanne,项目名称:hts,代码行数:26,代码来源:index_read.go


示例6: handleEventAll

func (w *Watcher) handleEventAll(data []byte) {
	buf := bytes.NewBuffer(data)
	msg := &cnMsg{}
	hdr := &procEventHeader{}

	binary.Read(buf, byteOrder, msg)
	binary.Read(buf, byteOrder, hdr)

	switch hdr.What {
	case PROC_EVENT_FORK:
		event := &forkProcEvent{}
		binary.Read(buf, byteOrder, event)
		ppid := int(event.ParentTgid)
		pid := int(event.ChildTgid)

		w.Fork <- &ProcEventFork{ParentPid: ppid, ChildPid: pid}
	case PROC_EVENT_EXEC:
		event := &execProcEvent{}
		binary.Read(buf, byteOrder, event)
		pid := int(event.ProcessTgid)

		w.Exec <- &ProcEventExec{Pid: pid}
	case PROC_EVENT_EXIT:
		event := &exitProcEvent{}
		binary.Read(buf, byteOrder, event)
		pid := int(event.ProcessTgid)

		w.Exit <- &ProcEventExit{Pid: pid}
	}
}
开发者ID:cloudimmunity,项目名称:pdiscover,代码行数:30,代码来源:pevents_linux.go


示例7: Parse

// Parse initialises the read loop and begins parsing the incoming request
func (p *Parser) Parse() {
	b := make([]byte, 2)

Read:
	for {
		n, err := p.Conn.Read(b)
		switch {
		case err == io.EOF:
			break Read
		case n == 0:
			goto Read
		}

		switch string(b) {
		case "1W": // window length
			binary.Read(p.Conn, binary.BigEndian, &p.wlen)
		case "1C": // frame length
			binary.Read(p.Conn, binary.BigEndian, &p.plen)
			if err := p.read(); err != nil {
				log.Printf("[%s] error parsing %v", p.Conn.RemoteAddr().String(), err)
				break Read
			}

			if err := p.ack(); err != nil {
				log.Printf("[%s] error acking %v", p.Conn.RemoteAddr().String(), err)
				break Read
			}
		default:
			// This really shouldn't happen
			log.Printf("[%s] Received unknown type", p.Conn.RemoteAddr().String(), err)
			break Read
		}
	}
}
开发者ID:stanhu,项目名称:logslam,代码行数:35,代码来源:parser.go


示例8: handleHead

func handleHead(reader io.Reader) (seq []byte, flags uint8, count uint16, err error) {
	var seqLength uint16
	err = binary.Read(reader, binary.BigEndian, &seqLength)
	if err != nil {
		return
	}
	seq = make([]byte, seqLength)
	_, err = io.ReadFull(reader, seq)
	if err != nil {
		fmt.Println("read seq")
		return
	}

	err = binary.Read(reader, binary.BigEndian, &flags)
	if err != nil {
		fmt.Println("read flags")
		return
	}
	err = binary.Read(reader, binary.BigEndian, &count)
	if err != nil {
		fmt.Println("read count")
		return
	}

	return
}
开发者ID:badfortrains,项目名称:spotcontrol,代码行数:26,代码来源:mercury.go


示例9: Decode

// Decode fills the packet withinformation of the packet.
func (r *wireMasterResponse) Decode(packet io.Reader, n int) error {
	if r.Ips == nil {
		r.Ips = make([]wireIP, 0, 50)
	}

	err := binary.Read(packet, byteOrder, &r.Head)
	if err != nil {
		return err
	}

	if !reflect.DeepEqual(r.Head.Magic, masterResponseHeader) {
		return errors.New("Header does not match.")
	}

	remaining := n - binary.Size(r.Head.Magic)
	ipsize := binary.Size(wireIP{})

	for ; remaining >= ipsize; remaining -= ipsize {
		ip := wireIP{}
		// Normal little endian read.
		if err := binary.Read(packet, byteOrder, &ip.Oct); err != nil {
			return err
		}
		// Seperate read because of big endian requirement
		if err := binary.Read(packet, binary.BigEndian, &ip.Port); err != nil {
			return err
		}
		r.Ips = append(r.Ips, ip)
	}

	return nil
}
开发者ID:hfern,项目名称:goseq,代码行数:33,代码来源:master.go


示例10: Parse

func Parse(d []byte) (*Key, error) {
	if len(d) != 78 {
		return nil, fmt.Errorf("Input of wrong length %d (expected 78).", len(d))
	}
	b := bytes.NewBuffer(d)
	var version uint32
	binary.Read(b, binary.BigEndian, &version)
	k := Key{version: version}
	binary.Read(b, binary.BigEndian, &k.depth)
	k.parent = make([]byte, 4)
	b.Read(k.parent)
	binary.Read(b, binary.BigEndian, &k.index)
	k.code = make([]byte, 32)
	b.Read(k.code)

	ser := make([]byte, 33)
	b.Read(ser)
	switch version {
	case BitcoinExtendedPrivateKeyVersion, BitcoinTestnetExtendedPrivateKeyVersion:
		k.prvKey = parse256(ser[1:33])
	case BitcoinExtendedPublicKeyVersion, BitcoinTestnetExtendedPublicKeyVersion:
		k.pubKey = ser
	default:
		return nil, fmt.Errorf("Input has unrecognized version %x.", version)
	}
	return &k, nil
}
开发者ID:runeaune,项目名称:hdkeys,代码行数:27,代码来源:hd.go


示例11: makeUniqueMcs

func makeUniqueMcs(catRange uint32) (string, error) {
	var (
		n      uint32
		c1, c2 uint32
		mcs    string
		tries  = 1000000
		err    error
	)

	for i := 0; i < tries; i++ {
		binary.Read(rand.Reader, binary.LittleEndian, &n)
		c1 = n % catRange
		binary.Read(rand.Reader, binary.LittleEndian, &n)
		c2 = n % catRange
		if c1 == c2 {
			continue
		}
		if c1 > c2 {
			c1, c2 = c2, c1
		}
		mcs = fmt.Sprintf("s0:c%d,c%d", c1, c2)
		err = mcsAdd(mcs)
		if err == nil {
			return mcs, nil
		}
	}
	return "", fmt.Errorf("couldn't generate unique MCS after %d tries! (last err=%v)", tries, err)
}
开发者ID:intelsdi-x,项目名称:rkt,代码行数:28,代码来源:selinux.go


示例12: readProtoMessage

// Read a protobuf message from a client
func (client *Client) readProtoMessage() (msg *Message, err error) {
	var (
		length uint32
		kind   uint16
	)

	// Read the message type (16-bit big-endian unsigned integer)
	err = binary.Read(client.reader, binary.BigEndian, &kind)
	if err != nil {
		return
	}

	// Read the message length (32-bit big-endian unsigned integer)
	err = binary.Read(client.reader, binary.BigEndian, &length)
	if err != nil {
		return
	}

	buf := make([]byte, length)
	_, err = io.ReadFull(client.reader, buf)
	if err != nil {
		return
	}

	msg = &Message{
		buf:    buf,
		kind:   kind,
		client: client,
	}

	return
}
开发者ID:carriercomm,项目名称:grumble,代码行数:33,代码来源:client.go


示例13: readVendorID

func readVendorID(b []byte) (leftovers []byte, vendorID uint16, err error) {
	buf := bytes.NewBuffer(b)
	leftovers = b
	var openByte, appByte, closeByte byte
	if openByte, err = buf.ReadByte(); openByte != 0x3e {
		return
	}
	if appByte, err = buf.ReadByte(); appByte != 0x22 && appByte != 0x21 {
		return
	}
	if appByte == 0x22 {
		if err = binary.Read(buf, binary.BigEndian, &vendorID); err != nil {
			return
		}
	} else {
		var vendorIDByte byte
		if err = binary.Read(buf, binary.BigEndian, &vendorIDByte); err != nil {
			return
		}
		vendorID = uint16(vendorIDByte)
	}
	if closeByte, err = buf.ReadByte(); closeByte != 0x3f {
		return
	}
	bytesRead := len(b) - buf.Len()
	leftovers = b[bytesRead:]
	return
}
开发者ID:awesome-security,项目名称:zgrab,代码行数:28,代码来源:objects.go


示例14: Read

func (pbp *PBP) Read(rc io.ReadCloser) error {
	binary.Read(rc, binary.LittleEndian, &pbp.cookie)
	if pbp.cookie == 0x464C457f {
		fmt.Printf("File is an elf, converting to empty PBP")
		bytes, _ := ioutil.ReadAll(rc)
		pbp.data[6] = append([]byte{0x7f, 0x45, 0x4c, 0x46}[:], bytes...)
		pbp.cookie = 0x50425000
		pbp.version = 0x00010000
		return nil
	}
	if pbp.cookie != 0x50425000 {
		return errors.New("bad cookie")
	}
	binary.Read(rc, binary.LittleEndian, &pbp.version)
	for i := 0; i < 8; i++ {
		binary.Read(rc, binary.LittleEndian, &pbp.offsets[i])
	}

	for i := 0; i < 7; i++ {
		pbp.data[i] = make([]byte, pbp.offsets[i+1]-pbp.offsets[i])
		if len(pbp.data[i]) > 0 {
			_, err := rc.Read(pbp.data[i])
			if err != nil {
				return err
			}
		}
	}
	var err error
	pbp.data[7], err = ioutil.ReadAll(rc)
	return err
}
开发者ID:hrydgard,项目名称:storeutil,代码行数:31,代码来源:pbp.go


示例15: UnpackageData

// 解析内部数据包
func UnpackageData(body []byte) (PkgHead, []byte, InnerPkgTail, error) {
	p := bytes.NewReader(body)
	head := PkgHead{}
	tail := InnerPkgTail{}
	var jsonStr []byte

	err := binary.Read(p, binary.BigEndian, &head)
	if err != nil {
		return head, nil, tail, errors.New("read pkghead error!!!", err, body)
	}

	if int(head.PkgLen)+SIZEOF_INNERTAIL != len(body) {
		return head, nil, tail, errors.New("data package len error!!!", head.PkgLen, len(body))
	}

	jsonStr = make([]byte, int(head.PkgLen)-SIZEOF_PKGHEAD)
	if err := binary.Read(p, binary.BigEndian, &jsonStr); err != nil {
		return head, nil, tail, errors.New("read pkgbody error!!!", err, body)
	}

	if err := binary.Read(p, binary.BigEndian, &tail); err != nil {
		return head, nil, tail, errors.New("read pkgtail error!!!", err, body)
	}

	return head, jsonStr, tail, nil
}
开发者ID:wxaxiaoyao,项目名称:linux,代码行数:27,代码来源:comm.go


示例16: readPacket

// readPacket reads a packet from r.rd into r.buf. EOF is returned if
// r.rd.Read() returns it. Nothing is appended to r.buf if err != nil.
func (r *SecureReader) readPacket() error {
	// 1. Read the packet header
	hdr := &PacketHdr{}
	if err := binary.Read(r.rd, binary.BigEndian, hdr); err != nil {
		return err
	}

	// 2. Read the encrypted data
	encData := make([]byte, hdr.Length)
	if _, err := io.ReadFull(r.rd, encData); err != nil {
		return err
	}

	// 3. Decrypt and verify the data
	b, ok := box.OpenAfterPrecomputation(nil, encData, &hdr.Nonce, r.key)
	if !ok {
		return ErrFailedVerify
	}
	buf := bytes.NewReader(b)

	// 4. Extract the sequence number and match it to the internal counter
	var seq uint32
	if err := binary.Read(buf, binary.BigEndian, &seq); err != nil {
		return err
	}
	if seq != r.seq {
		return ErrOutOfOrder
	}
	r.seq += 2

	// Success! Note: this append will cause the reallocation of r.buf when
	// it grows too much, and with that the old returned data will be discarded
	r.buf = append(r.buf, b[len(b)-buf.Len():]...)
	return nil
}
开发者ID:billyboar,项目名称:GCSolutions,代码行数:37,代码来源:secureconn.go


示例17: Unmarshal

// Unmarshals the message.
func (g *Goodbye) Unmarshal(frames ...[]byte) error {
	if frames == nil {
		return errors.New("Can't unmarshal empty message")
	}

	frame := frames[0]
	frames = frames[1:]

	buffer := bytes.NewBuffer(frame)

	// Get and check protocol signature
	var signature uint16
	binary.Read(buffer, binary.BigEndian, &signature)
	if signature != Signature {
		return errors.New("invalid signature")
	}

	// Get message id and parse per message type
	var id uint8
	binary.Read(buffer, binary.BigEndian, &id)
	if id != GoodbyeId {
		return errors.New("malformed Goodbye message")
	}

	return nil
}
开发者ID:hintjens,项目名称:zccp,代码行数:27,代码来源:goodbye.go


示例18: Write

func (u *UDP) Write(b []byte) (n int, err error) {
	buf := bytes.NewBuffer(b)
	if err = binary.Read(buf, binary.BigEndian, &u.PortSrc); err != nil {
		return
	}
	n += 2
	if err = binary.Read(buf, binary.BigEndian, &u.PortDst); err != nil {
		return
	}
	n += 2
	if err = binary.Read(buf, binary.BigEndian, &u.Length); err != nil {
		return
	}
	n += 2
	if err = binary.Read(buf, binary.BigEndian, &u.Checksum); err != nil {
		return
	}
	n += 2
	if u.Length > 8 {
		u.Data = make([]byte, u.Length-8)
	}
	if u.Length == 0 {
		u.Data = make([]byte, buf.Len())
	}
	m, err := io.ReadFull(buf, u.Data)
	n += m
	return
}
开发者ID:postfix,项目名称:ogo,代码行数:28,代码来源:udp.go


示例19: uniqMcs

func uniqMcs(catRange uint32) string {
	var (
		n      uint32
		c1, c2 uint32
		mcs    string
	)

	for {
		binary.Read(rand.Reader, binary.LittleEndian, &n)
		c1 = n % catRange
		binary.Read(rand.Reader, binary.LittleEndian, &n)
		c2 = n % catRange
		if c1 == c2 {
			continue
		} else {
			if c1 > c2 {
				t := c1
				c1 = c2
				c2 = t
			}
		}
		mcs = fmt.Sprintf("s0:c%d,c%d", c1, c2)
		if err := mcsAdd(mcs); err != nil {
			continue
		}
		break
	}
	return mcs
}
开发者ID:Altiscale,项目名称:runc,代码行数:29,代码来源:selinux.go


示例20: NewFS

func NewFS(r io.ReadSeeker) *FS {
	bpb32 := &BPB32{}
	err := binary.Read(r, binary.LittleEndian, bpb32)
	if err != nil {
		// TODO error handling
	}

	fs := &FS{bpb32, UnknownType, r}
	t := fs.DetermineType()
	switch t {
	case FAT32:
		fs.Type = FAT32
		return fs
	case FAT12, FAT16:
		// reread the BPB, this time for the correct fs type
		bpb16 := &BPB16{}
		r.Seek(0, 0)
		err := binary.Read(r, binary.LittleEndian, bpb16)
		if err != nil {
			// TODO error handling
		}
		bpb32 = &BPB32{bpb16.BPBBase, BPB32Base{0, 0, 0, 0, 0, 0, [12]byte{}}, bpb16.BPB16Base}
		fs = &FS{bpb32, t, r}
	}

	return fs
}
开发者ID:dominikh,项目名称:go-vfat,代码行数:27,代码来源:vfat.go



注:本文中的encoding/binary.Read函数示例整理自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。


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