37 lines
771 B
Go
37 lines
771 B
Go
package net
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import "net"
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// GetLocalIP returns the non loopback local IP of the host
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func GetLocalIP() string {
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addrs, err := net.InterfaceAddrs()
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if err != nil {
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return ""
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}
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for _, address := range addrs {
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// check the address type and if it is not a loopback the display it
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if ipnet, ok := address.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
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if ipnet.IP.To4() != nil {
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return ipnet.IP.String()
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}
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}
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}
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return ""
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}
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func ResolveIp(name string) (net.IP, error) {
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if addrs, err := net.ResolveIPAddr("ip4", name); err != nil {
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return nil, err
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} else {
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return addrs.IP, nil
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}
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}
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func ExtractIp(remoteAddr net.Addr) string {
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if addr, ok := remoteAddr.(*net.TCPAddr); ok {
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return addr.IP.String()
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} else {
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return remoteAddr.String()
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}
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}
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