commons_go/util
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This commit is contained in:
crusader 2017-09-11 16:50:25 +09:00
parent ad40f1baa5
commit ad1838bb69
1 changed files with 1 additions and 26 deletions
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27
net/converter/mac.go
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@ -4,40 +4,15 @@ import (
"net" "net"
"regexp" "regexp"
"strconv" "strconv"
"strings"
) )
var ( var (
macStripRegexp = regexp.MustCompile(`[^a-fA-F0-9]`) macStripRegexp = regexp.MustCompile(`[^a-fA-F0-9]`)
) )
func MacToUint(hwAddr net.HardwareAddr) (uint64, error) { func MacToUint64(hwAddr net.HardwareAddr) (uint64, error) {
mac := hwAddr.String() mac := hwAddr.String()
hex := macStripRegexp.ReplaceAllLiteralString(mac, "") hex := macStripRegexp.ReplaceAllLiteralString(mac, "")
return strconv.ParseUint(hex, 16, 64) return strconv.ParseUint(hex, 16, 64)
} }
func MacToInt(IPv4Addr net.HardwareAddr) int64 {
bits := strings.Split(IPv4Addr.String(), ":")
b0, _ := strconv.ParseInt(bits[0], 16, 64)
b1, _ := strconv.ParseInt(bits[1], 16, 64)
b2, _ := strconv.ParseInt(bits[2], 16, 64)
b3, _ := strconv.ParseInt(bits[3], 16, 64)
b4, _ := strconv.ParseInt(bits[4], 16, 64)
b5, _ := strconv.ParseInt(bits[5], 16, 64)
var sum int64
//52242420297
//52242420297
sum += int64(b0) << 40
sum += int64(b1) << 32
sum += int64(b2) << 24
sum += int64(b3) << 16
sum += int64(b4) << 8
sum += int64(b5)
return sum
}