net

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v0.1.8 Latest Latest Go to latest Published: Jul 30, 2023 License: MIT Imports: 17 Imported by: 1

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Repository

github.com/chennqqi/goutils

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README ¶

goutils for net utils:

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GetLocalNS() (NSRecords, error)      
//get local dns config list

func GetGatewayByNic(nicName string) (net.IP, error)    
//return gateway by nicName

func ListGateway() ([]*RouteItem, error) 
//list all gateway of each nic

func GetDefaultGateway() (net.IP, error)

func IsPublicIP(IP net.IP) bool 
//if an ip is public ip

func GetHostIP() (string, error) 
//get local host ip, like hostname -I

func GetInternalIP() (string, error) {
// get the first ip of nic (will skip loopback)

func GetRequestIP(r *http.Request) string 
// get Request clientIP in http request

func GetInternalIPByDevName(dev string) ([]string, error) {
// get nic ip list by name

func GetUploadFileSize(upfile multipart.File) (int64, error) {
// get http upload file size

func GetLocalConnectIP(proto string, addr string) (string, error) {
//

Documentation ¶

Rendered for

Overview ¶

utils of network

Index ¶

Constants
Variables
func GetDefaultGateway() (net.IP, error)
func GetExternalIP() (string, error)
func GetGatewayByNic(nicName string) (net.IP, error)
func GetHostIP() (string, error)
func GetInternalIP() (string, error)
func GetInternalIPByDevName(dev string) ([]string, error)
func GetLocalConnectIP(proto string, addr string) (string, error)
func GetRequestIP(r *http.Request) string
func GetUploadFileSize(upfile multipart.File) (int64, error)
func HttpTransportWithCache(maxIdle, cacheTo time.Duration)
func Inet_aton(ipnr net.IP) int64
func Inet_ntoa(ipnr int64) net.IP
func IsPrivateIP(ip stdnet.IP) bool
func IsPublicIP(IP net.IP) bool
func NetHexToIPv4(s string) net.IP
func NewResolver(list []string) *stdnet.Resolver
func OverrideDefaultResolver(list []string)
func UpdateResolveList(list []string)
type NSCache
- func NewNsCache(refreshRate time.Duration) *NSCache
- func (r *NSCache) Fetch(address string) ([]net.IP, error)
- func (r *NSCache) FetchOne(address string) (net.IP, error)
- func (r *NSCache) FetchOneString(address string) (string, error)
- func (r *NSCache) Lookup(address string) ([]net.IP, error)
- func (r *NSCache) Refresh()
type NSServer
- func GetRhNsByNic(name string) (NSServer, error)
type NSServers
- func GetLocalNS() (NSServers, error)
type Resolver
type RouteItem
- func ListGateway() ([]*RouteItem, error)
type Size
type Stat

Constants ¶

View Source

const (
	CACHE_IP_MAX = 64
)

Variables ¶

View Source

var (
	ErrNotFound = errors.New("NOT FOUND")
)

Functions ¶

func GetDefaultGateway ¶

func GetDefaultGateway() (net.IP, error)

func GetExternalIP ¶

func GetExternalIP() (string, error)

返回公网出口IP

func GetGatewayByNic ¶

func GetGatewayByNic(nicName string) (net.IP, error)

func GetHostIP ¶

func GetHostIP() (string, error)

返回主机HOST IP

func GetInternalIP ¶

func GetInternalIP() (string, error)

返回主机内部IP（顺序第一个）

func GetInternalIPByDevName ¶

func GetInternalIPByDevName(dev string) ([]string, error)

根据网卡设备名称返回内部IP

func GetLocalConnectIP ¶

func GetLocalConnectIP(proto string, addr string) (string, error)

在主机拥有多个IP地址时，返回能够连通对端网络的自身主机IP

func GetRequestIP ¶

func GetRequestIP(r *http.Request) string

返回HTTP请求IP,优先级(X-Real-IP>X-Forwarded-For>Proxy-Client-IP>WL-Proxy-Client-IP")

func GetUploadFileSize ¶

func GetUploadFileSize(upfile multipart.File) (int64, error)

返回HTTP upload文件的大小

func HttpTransportWithCache ¶

func HttpTransportWithCache(maxIdle, cacheTo time.Duration)

func Inet_aton ¶

func Inet_aton(ipnr net.IP) int64

将IP转换为整数值

func Inet_ntoa ¶

func Inet_ntoa(ipnr int64) net.IP

将整数IP转换为Go

func IsPrivateIP ¶

func IsPrivateIP(ip stdnet.IP) bool

func IsPublicIP ¶

func IsPublicIP(IP net.IP) bool

返回是否是公网IP

func NetHexToIPv4 ¶

func NetHexToIPv4(s string) net.IP

func NewResolver ¶

func NewResolver(list []string) *stdnet.Resolver

func OverrideDefaultResolver ¶

func OverrideDefaultResolver(list []string)

func UpdateResolveList ¶

func UpdateResolveList(list []string)

Types ¶

type NSCache ¶

type NSCache struct {
	// contains filtered or unexported fields
}

func NewNsCache ¶

func NewNsCache(refreshRate time.Duration) *NSCache

func (*NSCache) Fetch ¶

func (r *NSCache) Fetch(address string) ([]net.IP, error)

func (*NSCache) FetchOne ¶

func (r *NSCache) FetchOne(address string) (net.IP, error)

func (*NSCache) FetchOneString ¶

func (r *NSCache) FetchOneString(address string) (string, error)

func (*NSCache) Lookup ¶

func (r *NSCache) Lookup(address string) ([]net.IP, error)

func (*NSCache) Refresh ¶

func (r *NSCache) Refresh()

type NSServer ¶

type NSServer []string

func GetRhNsByNic ¶

func GetRhNsByNic(name string) (NSServer, error)

type NSServers ¶

type NSServers struct {
	NSServer
	NicNS map[string]NSServer `json:"nicns" yaml:"nicns"` //ns set by nic
}

func GetLocalNS ¶

func GetLocalNS() (NSServers, error)

type Resolver ¶

type Resolver struct {
	// contains filtered or unexported fields
}

type RouteItem ¶

type RouteItem struct {
	Iface   string
	Dst     net.IP
	Gateway net.IP

	Flags  uint32
	RefCnt int
	Use    int
	Metric int
	Mask   net.IPMask
	MTU    int
	Window int
	IRTT   int
}

func ListGateway ¶

func ListGateway() ([]*RouteItem, error)

type Size ¶

type Size interface {
	Size() int64
}

获取文件大小的接口

type Stat ¶

type Stat interface {
	Stat() (os.FileInfo, error)
}

获取文件信息的接口

Source Files ¶

View all Source files

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