diff options
Diffstat (limited to 'vendor/github.com/armon/go-metrics/sink.go')
-rwxr-xr-x | vendor/github.com/armon/go-metrics/sink.go | 52 |
1 files changed, 52 insertions, 0 deletions
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 000000000..0c240c2c4 --- /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) + } +} |