本文整理匯總了Golang中github.com/google/gopacket/layers.TCP.SerializeTo方法的典型用法代碼示例。如果您正苦於以下問題：Golang TCP.SerializeTo方法的具體用法？Golang TCP.SerializeTo怎麽用？Golang TCP.SerializeTo使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類github.com/google/gopacket/layers.TCP的用法示例。
在下文中一共展示了TCP.SerializeTo方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。
示例1: EvePayloadToPcap
// Given an EvePacket, convert the payload to a PCAP faking out the
// headers as best we can.
//
// A buffer containing the 1 packet pcap file will be returned.
func EvePayloadToPcap(event *EveEvent) ([]byte, error) {
buffer := gopacket.NewSerializeBuffer()
options := gopacket.SerializeOptions{
FixLengths: true,
ComputeChecksums: true,
}
payloadLayer := gopacket.Payload(event.Payload.Bytes())
payloadLayer.SerializeTo(buffer, options)
srcIp := net.ParseIP(event.SrcIP)
if srcIp == nil {
return nil, fmt.Errorf("Failed to parse IP address %s.", event.SrcIP)
}
dstIp := net.ParseIP(event.DstIP)
if dstIp == nil {
return nil, fmt.Errorf("Failed to parse IP address %s.", event.DstIP)
}
proto, err := ProtoNumber(event.Proto)
if err != nil {
return nil, err
}
switch proto {
case layers.IPProtocolTCP:
// Could probably fake up a better TCP layer here.
tcpLayer := layers.TCP{
SrcPort: layers.TCPPort(event.SrcPort),
DstPort: layers.TCPPort(event.DstPort),
}
tcpLayer.SerializeTo(buffer, options)
break
case layers.IPProtocolUDP:
udpLayer := layers.UDP{
SrcPort: layers.UDPPort(event.SrcPort),
DstPort: layers.UDPPort(event.DstPort),
}
udpLayer.SerializeTo(buffer, options)
break
case layers.IPProtocolICMPv4:
icmpLayer := layers.ICMPv4{
TypeCode: layers.CreateICMPv4TypeCode(
event.IcmpType, event.IcmpCode),
Id: 0,
Seq: 0,
}
icmpLayer.SerializeTo(buffer, options)
break
case layers.IPProtocolICMPv6:
icmp6Layer := layers.ICMPv6{
TypeCode: layers.CreateICMPv6TypeCode(
event.IcmpType, event.IcmpCode),
}
icmp6Layer.SerializeTo(buffer, options)
break
default:
return nil, fmt.Errorf("Unsupported protocol %d.", proto)
}
isIp6 := dstIp.To4() == nil
if !isIp6 {
ipLayer := layers.IPv4{
SrcIP: srcIp,
DstIP: dstIp,
Version: 4,
Protocol: proto,
TTL: 64,
}
ipLayer.SerializeTo(buffer, options)
} else {
ip6Layer := layers.IPv6{
Version: 6,
SrcIP: srcIp,
DstIP: dstIp,
}
ip6Layer.SerializeTo(buffer, options)
}
return pcap.CreatePcap(event.Timestamp.Time,
buffer.Bytes(), layers.LinkTypeRaw)
}