diff options
Diffstat (limited to 'kamon-core/src/main/scala/kamon/metric/TraceMetrics.scala')
-rw-r--r-- | kamon-core/src/main/scala/kamon/metric/TraceMetrics.scala | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/kamon-core/src/main/scala/kamon/metric/TraceMetrics.scala b/kamon-core/src/main/scala/kamon/metric/TraceMetrics.scala new file mode 100644 index 00000000..1ee1eab4 --- /dev/null +++ b/kamon-core/src/main/scala/kamon/metric/TraceMetrics.scala @@ -0,0 +1,77 @@ +/* + * ========================================================================================= + * Copyright © 2013 the kamon project <http://kamon.io/> + * + * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software distributed under the + * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, + * either express or implied. See the License for the specific language governing permissions + * and limitations under the License. + * ========================================================================================= + */ + +package kamon.metric + +import akka.actor.ActorSystem +import kamon.metric.instrument.{ Histogram } + +import scala.collection.concurrent.TrieMap +import com.typesafe.config.Config + +case class TraceMetrics(name: String) extends MetricGroupIdentity { + val category = TraceMetrics +} + +object TraceMetrics extends MetricGroupCategory { + val name = "trace" + + case object ElapsedTime extends MetricIdentity { val name = "elapsed-time" } + case class HttpClientRequest(name: String) extends MetricIdentity + + case class TraceMetricRecorder(elapsedTime: Histogram, private val segmentRecorderFactory: () ⇒ Histogram) + extends MetricGroupRecorder { + + private val segments = TrieMap[MetricIdentity, Histogram]() + + def segmentRecorder(segmentIdentity: MetricIdentity): Histogram = + segments.getOrElseUpdate(segmentIdentity, segmentRecorderFactory.apply()) + + def collect(context: CollectionContext): TraceMetricsSnapshot = + TraceMetricsSnapshot( + elapsedTime.collect(context), + segments.map { case (identity, recorder) ⇒ (identity, recorder.collect(context)) }.toMap) + + def cleanup: Unit = {} + } + + case class TraceMetricsSnapshot(elapsedTime: Histogram.Snapshot, segments: Map[MetricIdentity, Histogram.Snapshot]) + extends MetricGroupSnapshot { + + type GroupSnapshotType = TraceMetricsSnapshot + + def merge(that: TraceMetricsSnapshot, context: CollectionContext): TraceMetricsSnapshot = + TraceMetricsSnapshot(elapsedTime.merge(that.elapsedTime, context), Map.empty) + + def metrics: Map[MetricIdentity, MetricSnapshot] = segments + (ElapsedTime -> elapsedTime) + } + + val Factory = new MetricGroupFactory { + type GroupRecorder = TraceMetricRecorder + + def create(config: Config, system: ActorSystem): TraceMetricRecorder = { + + val settings = config.getConfig("precision.trace") + val elapsedTimeConfig = settings.getConfig("elapsed-time") + val segmentConfig = settings.getConfig("segment") + + new TraceMetricRecorder( + Histogram.fromConfig(elapsedTimeConfig), + () ⇒ Histogram.fromConfig(segmentConfig)) + } + } + +} |