136 lines
2.7 KiB
Go
136 lines
2.7 KiB
Go
// Copyright 2016 Circonus, Inc. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package circonusgometrics
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import (
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"github.com/circonus-labs/circonusllhist"
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)
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// Reset removes all existing counters and gauges.
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func (m *CirconusMetrics) Reset() {
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m.cm.Lock()
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defer m.cm.Unlock()
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m.cfm.Lock()
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defer m.cfm.Unlock()
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m.gm.Lock()
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defer m.gm.Unlock()
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m.gfm.Lock()
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defer m.gfm.Unlock()
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m.hm.Lock()
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defer m.hm.Unlock()
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m.tm.Lock()
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defer m.tm.Unlock()
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m.tfm.Lock()
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defer m.tfm.Unlock()
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m.counters = make(map[string]uint64)
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m.counterFuncs = make(map[string]func() uint64)
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m.gauges = make(map[string]interface{})
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m.gaugeFuncs = make(map[string]func() int64)
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m.histograms = make(map[string]*Histogram)
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m.text = make(map[string]string)
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m.textFuncs = make(map[string]func() string)
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}
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// snapshot returns a copy of the values of all registered counters and gauges.
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func (m *CirconusMetrics) snapshot() (c map[string]uint64, g map[string]interface{}, h map[string]*circonusllhist.Histogram, t map[string]string) {
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c = m.snapCounters()
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g = m.snapGauges()
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h = m.snapHistograms()
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t = m.snapText()
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return
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}
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func (m *CirconusMetrics) snapCounters() map[string]uint64 {
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m.cm.Lock()
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defer m.cm.Unlock()
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m.cfm.Lock()
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defer m.cfm.Unlock()
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c := make(map[string]uint64, len(m.counters)+len(m.counterFuncs))
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for n, v := range m.counters {
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c[n] = v
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}
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if m.resetCounters && len(c) > 0 {
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m.counters = make(map[string]uint64)
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}
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for n, f := range m.counterFuncs {
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c[n] = f()
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}
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return c
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}
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func (m *CirconusMetrics) snapGauges() map[string]interface{} {
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m.gm.Lock()
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defer m.gm.Unlock()
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m.gfm.Lock()
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defer m.gfm.Unlock()
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g := make(map[string]interface{}, len(m.gauges)+len(m.gaugeFuncs))
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for n, v := range m.gauges {
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g[n] = v
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}
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if m.resetGauges && len(g) > 0 {
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m.gauges = make(map[string]interface{})
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}
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for n, f := range m.gaugeFuncs {
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g[n] = f()
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}
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return g
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}
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func (m *CirconusMetrics) snapHistograms() map[string]*circonusllhist.Histogram {
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m.hm.Lock()
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defer m.hm.Unlock()
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h := make(map[string]*circonusllhist.Histogram, len(m.histograms))
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for n, hist := range m.histograms {
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hist.rw.Lock()
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h[n] = hist.hist.CopyAndReset()
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hist.rw.Unlock()
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}
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if m.resetHistograms && len(h) > 0 {
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m.histograms = make(map[string]*Histogram)
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}
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return h
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}
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func (m *CirconusMetrics) snapText() map[string]string {
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m.tm.Lock()
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defer m.tm.Unlock()
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m.tfm.Lock()
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defer m.tfm.Unlock()
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t := make(map[string]string, len(m.text)+len(m.textFuncs))
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for n, v := range m.text {
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t[n] = v
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}
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if m.resetText && len(t) > 0 {
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m.text = make(map[string]string)
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}
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for n, f := range m.textFuncs {
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t[n] = f()
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}
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return t
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}
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