tinymq/util/util.go

package util

import (
	"log"
	"net"
	"net/netip"
)

// addrToIP attempts to extract a net.IP from a net.Addr
func AddrToIP(addr net.Addr) net.IP {
	switch v := addr.(type) {
	case *net.TCPAddr:
		return v.IP
	case *net.UDPAddr:
		return v.IP
	case *net.IPAddr:
		return v.IP
	default:
		// Handle other potential net.Addr implementations or return nil
		return nil
	}
}

func StrToIP(input string) net.IP {
	addrPort, err := netip.ParseAddrPort(input)
	if err != nil {
		log.Println("[netip.ParseAddrPort ERROR]", err)
		return nil
	}

	ip := addrPort.Addr()
	return ip.AsSlice()
}