Go ip2int()

1 개요

Go ip2int()

Go

CPU

-1.0s

MEM

-0M

-1.0s

Copy

package main

import (
	"encoding/binary"
	"fmt"
	"net"
)

func ip2int(ipString string) int {
	ip := net.ParseIP(ipString)
	if ip == nil {
		return -1
	}
	return int(binary.BigEndian.Uint32(ip.To4()))
}

func main() {
	fmt.Println(ip2int("0.0.0.0"))         // 0
	fmt.Println(ip2int("0.0.0.1"))         // 1
	fmt.Println(ip2int("0.0.1.0"))         // 256
	fmt.Println(ip2int("135.79.246.80"))   // 2270164560
	fmt.Println(ip2int("255.255.255.255")) // 4294967295

	fmt.Println(ip2int("0.0.0.256"))      // -1
	fmt.Println(ip2int("0.0.0.0.0"))      // -1
	fmt.Println(ip2int("0.0.0.00"))       // -1
	fmt.Println(ip2int("135.79.246.080")) // -1
}

0
1
256
2270164560
4294967295
-1
-1
-1
-1

2 같이 보기

• Go int2ip()
• 함수 ip2int()