util

Documentation

Index

• Variables
• func Aliyun() *net.Resolver
• func Cloudflare() *net.Resolver
• func DNSSB() *net.Resolver
• func Dnspod() *net.Resolver
• func DomainLookUp(host string, ipVersion string, dotServer string, disableOutput bool) (net.IP, error)
• func GetFastIP(domain string, port string, enableOutput bool) string
• func GetHostAndPort() (host string, port string)
• func GetICMPResponsePayload(data []byte) ([]byte, error)
• func GetIPHeaderLength(data []byte) (int, error)
• func GetPowProvider() string
• func GetProxy() *url.URL
• func GetTCPSeq(data []byte) uint32
• func GetUDPSrcPort(data []byte) uint16
• func GetenvDefault(key, defVal string) string
• func Google() *net.Resolver
• func HideIPPart(ip string) string
• func LocalIPPort(dstip net.IP) (net.IP, int)
• func LocalIPPortv6(dstip net.IP) (net.IP, int)
• func LookupAddr(addr string) ([]string, error)
• func StringInSlice(val string, list []string) bool
• type ResponseInfo

Variables

var DestIP string

var DisableMPLS = GetenvDefault("NEXTTRACE_DISABLEMPLS", "")

var EnableHidDstIP = GetenvDefault("NEXTTRACE_ENABLEHIDDENDSTIP", "")

var EnvToken = GetenvDefault("NEXTTRACE_TOKEN", "")

var FastIpCache = ""

var PowProviderParam = ""

var RdnsCache sync.Map

var Uninterrupted = GetenvDefault("NEXTTRACE_UNINTERRUPTED", "")

var UserAgent = fmt.Sprintf("NextTrace %s/%s/%s", config.Version, runtime.GOOS, runtime.GOARCH)

Functions

func Aliyun

func Aliyun() *net.Resolver

func Cloudflare

func Cloudflare() *net.Resolver

func DNSSB

func DNSSB() *net.Resolver

func Dnspod

func Dnspod() *net.Resolver

func DomainLookUp

func DomainLookUp(host string, ipVersion string, dotServer string, disableOutput bool) (net.IP, error)

func GetFastIP

func GetFastIP(domain string, port string, enableOutput bool) string

func GetHostAndPort

func GetHostAndPort() (host string, port string)

func GetICMPResponsePayload

func GetICMPResponsePayload(data []byte) ([]byte, error)

func GetIPHeaderLength

func GetIPHeaderLength(data []byte) (int, error)

func GetPowProvider

func GetPowProvider() string

func GetProxy

func GetProxy() *url.URL

func GetTCPSeq

func GetTCPSeq(data []byte) uint32

func GetUDPSrcPort

func GetUDPSrcPort(data []byte) uint16

func GetenvDefault

func GetenvDefault(key, defVal string) string

func Google

func Google() *net.Resolver

func HideIPPart

func HideIPPart(ip string) string

func LocalIPPort

func LocalIPPort(dstip net.IP) (net.IP, int)

LocalIPPort get the local ip and port based on our destination ip

func LocalIPPortv6

func LocalIPPortv6(dstip net.IP) (net.IP, int)

func LookupAddr

func LookupAddr(addr string) ([]string, error)

func StringInSlice

func StringInSlice(val string, list []string) bool

Types

type ResponseInfo

type ResponseInfo struct {
	IP      string
	Latency string
	Content string
}