35 lines
1.1 KiB
Go
35 lines
1.1 KiB
Go
// Copyright 2017 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package timestamp
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import (
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"math"
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"time"
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)
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// FromTime returns a new millisecond timestamp from a time.
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func FromTime(t time.Time) int64 {
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return t.Unix()*1000 + int64(t.Nanosecond())/int64(time.Millisecond)
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}
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// Time returns a new time.Time object from a millisecond timestamp.
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func Time(ts int64) time.Time {
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return time.Unix(ts/1000, (ts%1000)*int64(time.Millisecond)).UTC()
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}
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// FromFloatSeconds returns a millisecond timestamp from float seconds.
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func FromFloatSeconds(ts float64) int64 {
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return int64(math.Round(ts * 1000))
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}
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