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32 lines
749 B
Go
32 lines
749 B
Go
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package metrics
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import (
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"encoding/json"
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"io"
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"time"
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)
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// MarshalJSON returns a byte slice containing a JSON representation of all
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// the metrics in the Registry.
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func (r *StandardRegistry) MarshalJSON() ([]byte, error) {
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return json.Marshal(r.GetAll())
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}
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// WriteJSON writes metrics from the given registry periodically to the
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// specified io.Writer as JSON.
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func WriteJSON(r Registry, d time.Duration, w io.Writer) {
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for range time.Tick(d) {
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WriteJSONOnce(r, w)
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}
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}
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// WriteJSONOnce writes metrics from the given registry to the specified
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// io.Writer as JSON.
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func WriteJSONOnce(r Registry, w io.Writer) {
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json.NewEncoder(w).Encode(r)
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}
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func (p *PrefixedRegistry) MarshalJSON() ([]byte, error) {
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return json.Marshal(p.GetAll())
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}
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