wireguard-go/src/tai64.go
2017-06-24 15:34:44 +02:00

29 lines
492 B
Go

package main
import (
"bytes"
"encoding/binary"
"time"
)
const (
TAI64NBase = uint64(4611686018427387914)
TAI64NSize = 12
)
type TAI64N [TAI64NSize]byte
func Timestamp() TAI64N {
var tai64n TAI64N
now := time.Now()
secs := TAI64NBase + uint64(now.Unix())
nano := uint32(now.UnixNano())
binary.BigEndian.PutUint64(tai64n[:], secs)
binary.BigEndian.PutUint32(tai64n[8:], nano)
return tai64n
}
func (t1 *TAI64N) After(t2 TAI64N) bool {
return bytes.Compare(t1[:], t2[:]) > 0
}