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authorOpenShift Merge Robot <openshift-merge-robot@users.noreply.github.com>2019-06-25 21:40:38 +0200
committerGitHub <noreply@github.com>2019-06-25 21:40:38 +0200
commit5b7086abda91f4301af3bfb642d416a22349c276 (patch)
treebf139f29b261e55c161394637f1c7073da5103f0 /vendor/github.com/docker/go-metrics/counter.go
parenta488e197a6e3947dd420b40ed834b50db9c829c3 (diff)
parent2388222e98462fdbbe44f3e091b2b79d80956a9a (diff)
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Merge pull request #3418 from vrothberg/go-modules
update dependencies
Diffstat (limited to 'vendor/github.com/docker/go-metrics/counter.go')
-rw-r--r--vendor/github.com/docker/go-metrics/counter.go52
1 files changed, 52 insertions, 0 deletions
diff --git a/vendor/github.com/docker/go-metrics/counter.go b/vendor/github.com/docker/go-metrics/counter.go
new file mode 100644
index 000000000..fe36316a4
--- /dev/null
+++ b/vendor/github.com/docker/go-metrics/counter.go
@@ -0,0 +1,52 @@
+package metrics
+
+import "github.com/prometheus/client_golang/prometheus"
+
+// Counter is a metrics that can only increment its current count
+type Counter interface {
+ // Inc adds Sum(vs) to the counter. Sum(vs) must be positive.
+ //
+ // If len(vs) == 0, increments the counter by 1.
+ Inc(vs ...float64)
+}
+
+// LabeledCounter is counter that must have labels populated before use.
+type LabeledCounter interface {
+ WithValues(vs ...string) Counter
+}
+
+type labeledCounter struct {
+ pc *prometheus.CounterVec
+}
+
+func (lc *labeledCounter) WithValues(vs ...string) Counter {
+ return &counter{pc: lc.pc.WithLabelValues(vs...)}
+}
+
+func (lc *labeledCounter) Describe(ch chan<- *prometheus.Desc) {
+ lc.pc.Describe(ch)
+}
+
+func (lc *labeledCounter) Collect(ch chan<- prometheus.Metric) {
+ lc.pc.Collect(ch)
+}
+
+type counter struct {
+ pc prometheus.Counter
+}
+
+func (c *counter) Inc(vs ...float64) {
+ if len(vs) == 0 {
+ c.pc.Inc()
+ }
+
+ c.pc.Add(sumFloat64(vs...))
+}
+
+func (c *counter) Describe(ch chan<- *prometheus.Desc) {
+ c.pc.Describe(ch)
+}
+
+func (c *counter) Collect(ch chan<- prometheus.Metric) {
+ c.pc.Collect(ch)
+}