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31 lines
714 B
Go
31 lines
714 B
Go
package main
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import (
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"fmt"
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"time"
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"github.com/VictoriaMetrics/VictoriaMetrics/lib/promutils"
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)
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const (
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// These values prevent from overflow when storing msec-precision time in int64.
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minTimeMsecs = 0 // use 0 instead of `int64(-1<<63) / 1e6` because the storage engine doesn't actually support negative time
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maxTimeMsecs = int64(1<<63-1) / 1e6
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)
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func parseTime(s string) (time.Time, error) {
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secs, err := promutils.ParseTime(s)
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if err != nil {
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return time.Time{}, fmt.Errorf("cannot parse %s: %w", s, err)
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}
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msecs := int64(secs * 1e3)
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if msecs < minTimeMsecs {
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msecs = 0
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}
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if msecs > maxTimeMsecs {
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msecs = maxTimeMsecs
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}
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return time.Unix(0, msecs*int64(time.Millisecond)).UTC(), nil
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}
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