[VOL-1386] This commit add "dep" as the package management tool
for voltha-go.
Change-Id: I52bc4911dd00a441756ec7c30f46d45091f3f90e
diff --git a/vendor/github.com/armon/go-metrics/sink.go b/vendor/github.com/armon/go-metrics/sink.go
new file mode 100755
index 0000000..0c240c2
--- /dev/null
+++ b/vendor/github.com/armon/go-metrics/sink.go
@@ -0,0 +1,52 @@
+package metrics
+
+// The MetricSink interface is used to transmit metrics information
+// to an external system
+type MetricSink interface {
+ // A Gauge should retain the last value it is set to
+ SetGauge(key []string, val float32)
+
+ // Should emit a Key/Value pair for each call
+ EmitKey(key []string, val float32)
+
+ // Counters should accumulate values
+ IncrCounter(key []string, val float32)
+
+ // Samples are for timing information, where quantiles are used
+ AddSample(key []string, val float32)
+}
+
+// BlackholeSink is used to just blackhole messages
+type BlackholeSink struct{}
+
+func (*BlackholeSink) SetGauge(key []string, val float32) {}
+func (*BlackholeSink) EmitKey(key []string, val float32) {}
+func (*BlackholeSink) IncrCounter(key []string, val float32) {}
+func (*BlackholeSink) AddSample(key []string, val float32) {}
+
+// FanoutSink is used to sink to fanout values to multiple sinks
+type FanoutSink []MetricSink
+
+func (fh FanoutSink) SetGauge(key []string, val float32) {
+ for _, s := range fh {
+ s.SetGauge(key, val)
+ }
+}
+
+func (fh FanoutSink) EmitKey(key []string, val float32) {
+ for _, s := range fh {
+ s.EmitKey(key, val)
+ }
+}
+
+func (fh FanoutSink) IncrCounter(key []string, val float32) {
+ for _, s := range fh {
+ s.IncrCounter(key, val)
+ }
+}
+
+func (fh FanoutSink) AddSample(key []string, val float32) {
+ for _, s := range fh {
+ s.AddSample(key, val)
+ }
+}