forked from cerc-io/plugeth
25 lines
716 B
Go
25 lines
716 B
Go
package metrics
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// ResettingSample converts an ordinary sample into one that resets whenever its
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// snapshot is retrieved. This will break for multi-monitor systems, but when only
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// a single metric is being pushed out, this ensure that low-frequency events don't
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// skew th charts indefinitely.
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func ResettingSample(sample Sample) Sample {
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return &resettingSample{
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Sample: sample,
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}
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}
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// resettingSample is a simple wrapper around a sample that resets it upon the
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// snapshot retrieval.
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type resettingSample struct {
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Sample
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}
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// Snapshot returns a read-only copy of the sample with the original reset.
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func (rs *resettingSample) Snapshot() Sample {
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s := rs.Sample.Snapshot()
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rs.Sample.Clear()
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return s
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}
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