2018-05-03 13:04:00 +00:00
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/* SPDX-License-Identifier: GPL-2.0
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*
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* Copyright (C) 2017-2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
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*/
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2018-02-12 21:29:11 +00:00
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package tai64n
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2017-06-23 11:41:59 +00:00
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import (
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2017-06-24 13:34:17 +00:00
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"bytes"
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2017-06-23 11:41:59 +00:00
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"encoding/binary"
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"time"
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)
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2018-02-11 18:25:33 +00:00
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const TimestampSize = 12
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const base = uint64(4611686018427387914)
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2017-06-23 11:41:59 +00:00
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2018-02-11 18:25:33 +00:00
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type Timestamp [TimestampSize]byte
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2017-06-23 11:41:59 +00:00
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2018-02-12 21:29:11 +00:00
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func Now() Timestamp {
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2018-02-11 18:25:33 +00:00
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var tai64n Timestamp
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2017-06-23 11:41:59 +00:00
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now := time.Now()
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2018-02-11 18:25:33 +00:00
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secs := base + uint64(now.Unix())
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2017-06-23 11:41:59 +00:00
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nano := uint32(now.UnixNano())
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binary.BigEndian.PutUint64(tai64n[:], secs)
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binary.BigEndian.PutUint32(tai64n[8:], nano)
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return tai64n
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}
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2017-06-24 13:34:17 +00:00
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2018-02-11 18:25:33 +00:00
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func (t1 Timestamp) After(t2 Timestamp) bool {
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2017-06-24 13:34:17 +00:00
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return bytes.Compare(t1[:], t2[:]) > 0
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}
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