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net.go
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net.go
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package util
import (
"net"
)
var (
_, classA, _ = net.ParseCIDR("10.0.0.0/8")
_, classA1, _ = net.ParseCIDR("9.0.0.0/8")
_, classAa, _ = net.ParseCIDR("100.64.0.0/10")
_, classB, _ = net.ParseCIDR("172.16.0.0/12")
_, classC, _ = net.ParseCIDR("192.168.0.0/16")
)
// GetIPAddress get local usable inner ip address
func GetIPAddress() (addrList []string) {
address, err := net.InterfaceAddrs()
if err != nil {
return addrList
}
for _, addr := range address {
if ip, ok := addr.(*net.IPNet); ok && !ip.IP.IsLoopback() && ip.IP.To4() != nil {
if classA.Contains(ip.IP) {
addrList = append(addrList, ip.IP.String())
continue
}
if classA1.Contains(ip.IP) {
addrList = append(addrList, ip.IP.String())
continue
}
if classAa.Contains(ip.IP) {
addrList = append(addrList, ip.IP.String())
continue
}
if classB.Contains(ip.IP) {
addrList = append(addrList, ip.IP.String())
continue
}
if classC.Contains(ip.IP) {
addrList = append(addrList, ip.IP.String())
continue
}
}
}
return addrList
}