本文整理汇总了Golang中code/google/com/p/gopacket.SerializeBuffer类的典型用法代码示例。如果您正苦于以下问题:Golang SerializeBuffer类的具体用法?Golang SerializeBuffer怎么用?Golang SerializeBuffer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SerializeBuffer类的14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: SerializeTo
// SerializeTo writes the serialized form of this layer into the
// SerializationBuffer, implementing gopacket.SerializableLayer.
// See the docs for gopacket.SerializableLayer for more info.
func (ip6 *IPv6) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
payload := b.Bytes()
if ip6.HopByHop != nil {
return fmt.Errorf("unable to serialize hopbyhop for now")
}
bytes, err := b.PrependBytes(40)
if err != nil {
return err
}
bytes[0] = (ip6.Version << 4) | (ip6.TrafficClass >> 4)
bytes[1] = (ip6.TrafficClass << 4) | uint8(ip6.FlowLabel>>16)
binary.BigEndian.PutUint16(bytes[2:], uint16(ip6.FlowLabel))
if opts.FixLengths {
ip6.Length = uint16(len(payload))
}
binary.BigEndian.PutUint16(bytes[4:], ip6.Length)
bytes[6] = byte(ip6.NextHeader)
bytes[7] = byte(ip6.HopLimit)
if len(ip6.SrcIP) != 16 {
return fmt.Errorf("invalid src ip %v", ip6.SrcIP)
}
if len(ip6.DstIP) != 16 {
return fmt.Errorf("invalid dst ip %v", ip6.DstIP)
}
copy(bytes[8:], ip6.SrcIP)
copy(bytes[24:], ip6.DstIP)
return nil
}
开发者ID:dazer-chen,项目名称:gopacket,代码行数:31,代码来源:ip6.go
示例2: SerializeTo
// SerializeTo writes the serialized form of this layer into the
// SerializationBuffer, implementing gopacket.SerializableLayer.
// See the docs for gopacket.SerializableLayer for more info.
func (arp *ARP) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
size := 8 + len(arp.SourceHwAddress) + len(arp.SourceProtAddress) + len(arp.DstHwAddress) + len(arp.DstProtAddress)
bytes, err := b.PrependBytes(size)
if err != nil {
return err
}
if opts.FixLengths {
if len(arp.SourceHwAddress) != len(arp.DstHwAddress) {
return fmt.Errorf("mismatched hardware address sizes")
}
arp.HwAddressSize = uint8(len(arp.SourceHwAddress))
if len(arp.SourceProtAddress) != len(arp.DstProtAddress) {
return fmt.Errorf("mismatched prot address sizes")
}
arp.ProtAddressSize = uint8(len(arp.SourceProtAddress))
}
binary.BigEndian.PutUint16(bytes, uint16(arp.AddrType))
binary.BigEndian.PutUint16(bytes[2:], uint16(arp.Protocol))
bytes[4] = arp.HwAddressSize
bytes[5] = arp.ProtAddressSize
binary.BigEndian.PutUint16(bytes[6:], arp.Operation)
start := 8
for _, addr := range [][]byte{
arp.SourceHwAddress,
arp.SourceProtAddress,
arp.DstHwAddress,
arp.DstProtAddress,
} {
copy(bytes[start:], addr)
start += len(addr)
}
return nil
}
开发者ID:dazer-chen,项目名称:gopacket,代码行数:36,代码来源:arp.go
示例3: SerializeTo
// SerializeTo is for gopacket.SerializableLayer.
func (sc SCTPData) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
length := 16 + len(sc.PayloadData)
bytes, err := b.PrependBytes(roundUpToNearest4(length))
if err != nil {
return err
}
bytes[0] = uint8(sc.Type)
flags := uint8(0)
if sc.Unordered {
flags |= 0x4
}
if sc.BeginFragment {
flags |= 0x2
}
if sc.EndFragment {
flags |= 0x1
}
bytes[1] = flags
binary.BigEndian.PutUint16(bytes[2:4], uint16(length))
binary.BigEndian.PutUint32(bytes[4:8], sc.TSN)
binary.BigEndian.PutUint16(bytes[8:10], sc.StreamId)
binary.BigEndian.PutUint16(bytes[10:12], sc.StreamSequence)
binary.BigEndian.PutUint32(bytes[12:16], sc.PayloadProtocol)
copy(bytes[16:], sc.PayloadData)
return nil
}
开发者ID:dazer-chen,项目名称:gopacket,代码行数:27,代码来源:sctp.go
示例4: SerializeTo
// SerializeTo writes the serialized form of this layer into the
// SerializationBuffer, implementing gopacket.SerializableLayer.
// See the docs for gopacket.SerializableLayer for more info.
func (t *TCP) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
var optionLength int
for _, o := range t.Options {
switch o.OptionType {
case 0, 1:
optionLength += 1
default:
optionLength += 2 + len(o.OptionData)
}
}
if opts.FixLengths {
t.Padding = lotsOfZeros[:optionLength%4]
t.DataOffset = uint8((len(t.Padding) + optionLength + 20) / 4)
}
bytes, err := b.PrependBytes(20 + optionLength + len(t.Padding))
if err != nil {
return err
}
binary.BigEndian.PutUint16(bytes, uint16(t.SrcPort))
binary.BigEndian.PutUint16(bytes[2:], uint16(t.DstPort))
binary.BigEndian.PutUint32(bytes[4:], t.Seq)
binary.BigEndian.PutUint32(bytes[8:], t.Ack)
binary.BigEndian.PutUint16(bytes[12:], t.flagsAndOffset())
binary.BigEndian.PutUint16(bytes[14:], t.Window)
binary.BigEndian.PutUint16(bytes[18:], t.Urgent)
start := 20
for _, o := range t.Options {
bytes[start] = o.OptionType
switch o.OptionType {
case 0, 1:
start++
default:
if opts.FixLengths {
o.OptionLength = uint8(len(o.OptionData) + 2)
}
bytes[start+1] = o.OptionLength
copy(bytes[start+2:start+len(o.OptionData)+2], o.OptionData)
start += int(o.OptionLength)
}
}
copy(bytes[start:], t.Padding)
if opts.ComputeChecksums {
// zero out checksum bytes in current serialization.
bytes[16] = 0
bytes[17] = 0
csum, err := t.computeChecksum(b.Bytes())
if err != nil {
return err
}
t.Checksum = csum
}
binary.BigEndian.PutUint16(bytes[16:], t.Checksum)
return nil
}
开发者ID:dazer-chen,项目名称:gopacket,代码行数:57,代码来源:tcp.go
示例5: serializeTo
func (h *ipv6HeaderTLVOption) serializeTo(b gopacket.SerializeBuffer, fixLengths bool) (int, error) {
if fixLengths {
h.OptionLength = uint8(len(h.OptionData))
}
length := int(h.OptionLength) + 2
data, err := b.PrependBytes(length)
if err != nil {
return 0, err
}
data[0] = h.OptionType
data[1] = h.OptionLength
copy(data[2:], h.OptionData)
return length, nil
}
开发者ID:dazer-chen,项目名称:gopacket,代码行数:14,代码来源:ip6.go
示例6: SerializeTo
// SerializeTo writes the serialized form of this layer into the
// SerializationBuffer, implementing gopacket.SerializableLayer.
// See the docs for gopacket.SerializableLayer for more info.
func (m *MPLS) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
bytes, err := b.PrependBytes(4)
if err != nil {
return err
}
encoded := m.Label << 12
encoded |= uint32(m.TrafficClass) << 9
encoded |= uint32(m.TTL)
if m.StackBottom {
encoded |= 0x100
}
binary.BigEndian.PutUint32(bytes, encoded)
return nil
}
开发者ID:jcantrill,项目名称:geard,代码行数:17,代码来源:mpls.go
示例7: SerializeTo
// SerializeTo writes the serialized form of this layer into the
// SerializationBuffer, implementing gopacket.SerializableLayer.
// See the docs for gopacket.SerializableLayer for more info.
func (p *PPPoE) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
payload := b.Bytes()
bytes, err := b.PrependBytes(6)
if err != nil {
return err
}
bytes[0] = (p.Version << 4) | p.Type
bytes[1] = byte(p.Code)
binary.BigEndian.PutUint16(bytes[2:], p.SessionId)
if opts.FixLengths {
p.Length = uint16(len(payload))
}
binary.BigEndian.PutUint16(bytes[4:], p.Length)
return nil
}
开发者ID:dazer-chen,项目名称:gopacket,代码行数:18,代码来源:pppoe.go
示例8: SerializeTo
// SerializeTo writes the serialized form of this layer into the
// SerializationBuffer, implementing gopacket.SerializableLayer.
// See the docs for gopacket.SerializableLayer for more info.
func (p *PPP) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
if p.PPPType&0x100 == 0 {
bytes, err := b.PrependBytes(2)
if err != nil {
return err
}
binary.BigEndian.PutUint16(bytes, uint16(p.PPPType))
} else {
bytes, err := b.PrependBytes(1)
if err != nil {
return err
}
bytes[0] = uint8(p.PPPType)
}
return nil
}
开发者ID:dazer-chen,项目名称:gopacket,代码行数:19,代码来源:ppp.go
示例9: SerializeTo
// SerializeTo writes the serialized form of this layer into the
// SerializationBuffer, implementing gopacket.SerializableLayer.
// See the docs for gopacket.SerializableLayer for more info.
func (d *Dot1Q) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
bytes, err := b.PrependBytes(4)
if err != nil {
return err
}
if d.VLANIdentifier > 0xFFF {
return fmt.Errorf("vlan identifier %v is too high", d.VLANIdentifier)
}
firstBytes := uint16(d.Priority<<13) | d.VLANIdentifier
if d.DropEligible {
firstBytes |= 0x10
}
binary.BigEndian.PutUint16(bytes, firstBytes)
binary.BigEndian.PutUint16(bytes[2:], uint16(d.Type))
return nil
}
开发者ID:pombredanne,项目名称:geard,代码行数:19,代码来源:dot1q.go
示例10: SerializeTo
// SerializeTo writes the serialized form of this layer into the
// SerializationBuffer, implementing gopacket.SerializableLayer.
func (ip *IPv4) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
if len(ip.Options) > 0 {
return fmt.Errorf("cannot currently serialize IPv4 options")
}
bytes, err := b.PrependBytes(20)
if err != nil {
return err
}
if opts.FixLengths {
ip.IHL = 5 // Fix when we add support for options.
ip.Length = uint16(len(b.Bytes()))
}
bytes[0] = (ip.Version << 4) | ip.IHL
bytes[1] = ip.TOS
binary.BigEndian.PutUint16(bytes[2:], ip.Length)
binary.BigEndian.PutUint16(bytes[4:], ip.Id)
binary.BigEndian.PutUint16(bytes[6:], ip.flagsfrags())
bytes[8] = ip.TTL
bytes[9] = byte(ip.Protocol)
if len(ip.SrcIP) != 4 {
return fmt.Errorf("invalid src IP %v", ip.SrcIP)
}
if len(ip.DstIP) != 4 {
return fmt.Errorf("invalid dst IP %v", ip.DstIP)
}
copy(bytes[12:16], ip.SrcIP)
copy(bytes[16:20], ip.DstIP)
if opts.ComputeChecksums {
// Clear checksum bytes
bytes[10] = 0
bytes[11] = 0
// Compute checksum
var csum uint32
for i := 0; i < len(bytes); i += 2 {
csum += uint32(bytes[i]) << 8
csum += uint32(bytes[i+1])
}
ip.Checksum = ^uint16((csum >> 16) + csum)
}
binary.BigEndian.PutUint16(bytes[10:], ip.Checksum)
return nil
}
开发者ID:dazer-chen,项目名称:gopacket,代码行数:44,代码来源:ip4.go
示例11: SerializeTo
// SerializeTo writes the serialized form of this layer into the
// SerializationBuffer, implementing gopacket.SerializableLayer.
// See the docs for gopacket.SerializableLayer for more info.
func (e *EAP) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
if opts.FixLengths {
e.Length = uint16(len(e.TypeData) + 1)
}
size := len(e.TypeData) + 4
if size > 4 {
size++
}
bytes, err := b.PrependBytes(size)
if err != nil {
return err
}
bytes[0] = byte(e.Code)
bytes[1] = e.Id
binary.BigEndian.PutUint16(bytes[2:], e.Length)
if size > 4 {
bytes[4] = byte(e.Type)
copy(bytes[5:], e.TypeData)
}
return nil
}
开发者ID:dazer-chen,项目名称:gopacket,代码行数:24,代码来源:eap.go
示例12: SerializeTo
// SerializeTo writes the serialized form of this layer into the
// SerializationBuffer, implementing gopacket.SerializableLayer.
// See the docs for gopacket.SerializableLayer for more info.
func (u *UDP) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
payload := b.Bytes()
bytes, err := b.PrependBytes(8)
if err != nil {
return err
}
binary.BigEndian.PutUint16(bytes, uint16(u.SrcPort))
binary.BigEndian.PutUint16(bytes[2:], uint16(u.DstPort))
if opts.FixLengths {
u.Length = uint16(len(payload)) + 8
}
binary.BigEndian.PutUint16(bytes[4:], u.Length)
if opts.ComputeChecksums {
// zero out checksum bytes
bytes[6] = 0
bytes[7] = 0
csum, err := u.computeChecksum(b.Bytes())
if err != nil {
return err
}
u.Checksum = csum
}
binary.BigEndian.PutUint16(bytes[6:], u.Checksum)
return nil
}
开发者ID:jcantrill,项目名称:geard,代码行数:28,代码来源:udp.go
示例13: SerializeTo
// SerializeTo writes the serialized form of this layer into the
// SerializationBuffer, implementing gopacket.SerializableLayer.
// See the docs for gopacket.SerializableLayer for more info.
func (i *ICMPv6) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
if i.TypeBytes == nil {
i.TypeBytes = lotsOfZeros[:4]
} else if len(i.TypeBytes) != 4 {
return fmt.Errorf("invalid type bytes for ICMPv6 packet: %v", i.TypeBytes)
}
bytes, err := b.PrependBytes(8)
if err != nil {
return err
}
binary.BigEndian.PutUint16(bytes, uint16(i.TypeCode))
copy(bytes[4:8], i.TypeBytes)
if opts.ComputeChecksums {
bytes[2] = 0
bytes[3] = 0
csum, err := i.computeChecksum(b.Bytes())
if err != nil {
return err
}
i.Checksum = csum
}
binary.BigEndian.PutUint16(bytes[2:], i.Checksum)
return nil
}
开发者ID:dazer-chen,项目名称:gopacket,代码行数:27,代码来源:icmp6.go
示例14: SerializeTo
// SerializeTo writes the serialized form of this layer into the
// SerializationBuffer, implementing gopacket.SerializableLayer.
// See the docs for gopacket.SerializableLayer for more info.
func (eth *Ethernet) SerializeTo(b gopacket.SerializeBuffer, opts gopacket.SerializeOptions) error {
if len(eth.DstMAC) != 6 {
return fmt.Errorf("invalid dst MAC: %v", eth.DstMAC)
}
if len(eth.SrcMAC) != 6 {
return fmt.Errorf("invalid src MAC: %v", eth.SrcMAC)
}
payload := b.Bytes()
bytes, err := b.PrependBytes(14)
if err != nil {
return err
}
copy(bytes, eth.DstMAC)
copy(bytes[6:], eth.SrcMAC)
if eth.Length != 0 || eth.EthernetType == EthernetTypeLLC {
if opts.FixLengths {
eth.Length = uint16(len(payload))
}
if eth.EthernetType != EthernetTypeLLC {
return fmt.Errorf("ethernet type %v not compatible with length value %v", eth.EthernetType, eth.Length)
} else if eth.Length > 0x0600 {
return fmt.Errorf("invalid ethernet length %v", eth.Length)
}
binary.BigEndian.PutUint16(bytes[12:], eth.Length)
} else {
binary.BigEndian.PutUint16(bytes[12:], uint16(eth.EthernetType))
}
length := len(b.Bytes())
if length < 60 {
// Pad out to 60 bytes.
padding, err := b.AppendBytes(60 - length)
if err != nil {
return err
}
copy(padding, lotsOfZeros[:])
}
return nil
}
开发者ID:dazer-chen,项目名称:gopacket,代码行数:41,代码来源:ethernet.go
注:本文中的code/google/com/p/gopacket.SerializeBuffer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。 |
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