5d54584f03
Also bringing: . golang.org/x/net 5561cd9b4330353950f399814f427425c0a26fd2 . github.com/docker/distribution 83389a148052d74ac602f5f1d62f86ff2f3c4aa5 . github.com/docker/swarmkit bd69f6e8e301645afd344913fa1ede53a0a111fb . github.com/docker/go-metrics d466d4f6fd960e01820085bd7e1a24426ee7ef18 . github.com/prometheus/client_golang 52437c81da6b127a9925d17eb3a382a2e5fd395e . github.com/beorn7/perks 4c0e84591b9aa9e6dcfdf3e020114cd81f89d5f9 . github.com/prometheus/client_model fa8ad6fec33561be4280a8f0514318c79d7f6cb6 . github.com/prometheus/common ebdfc6da46522d58825777cf1f90490a5b1ef1d8 . github.com/prometheus/procfs abf152e5f3e97f2fafac028d2cc06c1feb87ffa5 . github.com/matttproud/golang_protobuf_extensions v1.0.0 Signed-off-by: Mathieu Champlon <mathieu.champlon@docker.com>
53 lines
1.1 KiB
Go
53 lines
1.1 KiB
Go
package metrics
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import "github.com/prometheus/client_golang/prometheus"
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// Counter is a metrics that can only increment its current count
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type Counter interface {
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// Inc adds Sum(vs) to the counter. Sum(vs) must be positive.
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//
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// If len(vs) == 0, increments the counter by 1.
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Inc(vs ...float64)
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}
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// LabeledCounter is counter that must have labels populated before use.
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type LabeledCounter interface {
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WithValues(vs ...string) Counter
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}
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type labeledCounter struct {
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pc *prometheus.CounterVec
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}
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func (lc *labeledCounter) WithValues(vs ...string) Counter {
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return &counter{pc: lc.pc.WithLabelValues(vs...)}
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}
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func (lc *labeledCounter) Describe(ch chan<- *prometheus.Desc) {
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lc.pc.Describe(ch)
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}
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func (lc *labeledCounter) Collect(ch chan<- prometheus.Metric) {
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lc.pc.Collect(ch)
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}
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type counter struct {
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pc prometheus.Counter
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}
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func (c *counter) Inc(vs ...float64) {
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if len(vs) == 0 {
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c.pc.Inc()
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}
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c.pc.Add(sumFloat64(vs...))
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}
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func (c *counter) Describe(ch chan<- *prometheus.Desc) {
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c.pc.Describe(ch)
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}
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func (c *counter) Collect(ch chan<- prometheus.Metric) {
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c.pc.Collect(ch)
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}
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