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test&doc: add example and update doc for netutil package

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This commit is contained in:
dudaodong
2023-01-08 16:54:29 +08:00
parent da2eb66657
commit b05a0a91c3
7 changed files with 334 additions and 67 deletions
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24
netutil/net.go
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@@ -9,7 +9,8 @@ import (
"strings"
)
// GetInternalIp return internal ipv4
// GetInternalIp return internal ipv4.
// Play: https://go.dev/play/p/5mbu-gFp7ei
func GetInternalIp() string {
addr, err := net.InterfaceAddrs()
if err != nil {
@@ -26,7 +27,8 @@ func GetInternalIp() string {
return ""
}
// GetRequestPublicIp return the requested public ip
// GetRequestPublicIp return the requested public ip.
// Play: https://go.dev/play/p/kxU-YDc_eBo
func GetRequestPublicIp(req *http.Request) string {
var ip string
for _, ip = range strings.Split(req.Header.Get("X-Forwarded-For"), ",") {
@@ -47,7 +49,8 @@ func GetRequestPublicIp(req *http.Request) string {
}
// GetPublicIpInfo return public ip information
// return the PublicIpInfo struct
// return the PublicIpInfo struct.
// Play: https://go.dev/play/p/YDxIfozsRHR
func GetPublicIpInfo() (*PublicIpInfo, error) {
resp, err := http.Get("http://ip-api.com/json/")
if err != nil {
@@ -69,7 +72,8 @@ func GetPublicIpInfo() (*PublicIpInfo, error) {
return &ip, nil
}
// GetIps return all ipv4 of system
// GetIps return all ipv4 of system.
// Play: https://go.dev/play/p/NUFfcEmukx1
func GetIps() []string {
var ips []string
@@ -89,7 +93,8 @@ func GetIps() []string {
return ips
}
// GetMacAddrs get mac address
// GetMacAddrs get mac address.
// Play: https://go.dev/play/p/Rq9UUBS_Xp1
func GetMacAddrs() []string {
var macAddrs []string
@@ -125,7 +130,8 @@ type PublicIpInfo struct {
Ip string `json:"query"`
}
// IsPublicIP verify a ip is public or not
// IsPublicIP verify a ip is public or not.
// Play: https://go.dev/play/p/nmktSQpJZnn
func IsPublicIP(IP net.IP) bool {
if IP.IsLoopback() || IP.IsLinkLocalMulticast() || IP.IsLinkLocalUnicast() {
return false
@@ -145,7 +151,8 @@ func IsPublicIP(IP net.IP) bool {
return false
}
// IsInternalIP verify an ip is intranet or not
// IsInternalIP verify an ip is intranet or not.
// Play: https://go.dev/play/p/sYGhXbgO4Cb
func IsInternalIP(IP net.IP) bool {
if IP.IsLoopback() {
return true
@@ -159,7 +166,8 @@ func IsInternalIP(IP net.IP) bool {
return false
}
// EncodeUrl encode url
// EncodeUrl encode url.
// Play: https://go.dev/play/p/bsZ6BRC4uKI
func EncodeUrl(urlStr string) (string, error) {
URL, err := url.Parse(urlStr)
if err != nil {