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/*
* =========================================================================================
* Copyright © 2013-2015 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.spm
import akka.actor.{ ActorLogging, Props, Actor, ActorRef }
import kamon.Kamon
import kamon.metric.SubscriptionsDispatcher.TickMetricSnapshot
import kamon.metric.TickMetricSnapshotBuffer
import kamon.spm.SPMMetricsSender.Send
import scala.concurrent.duration.FiniteDuration
class SPMMetricsSubscriber(sender: ActorRef, flushInterval: FiniteDuration, subscriptions: List[(String, String)]) extends Actor with ActorLogging {
override def preStart(): Unit = {
val buffer = context.system.actorOf(TickMetricSnapshotBuffer.props(flushInterval, self))
subscriptions.foreach {
case (category, selection) ⇒
Kamon.metrics.subscribe(category, selection, buffer)
}
}
def receive = {
case tick: TickMetricSnapshot ⇒ {
val metrics = tick.metrics.toList.flatMap {
case (entry, snap) ⇒
snap.metrics.toList.map {
case (key, snap) ⇒
SPMMetric(tick.to, entry.category, entry.name, key.name, key.unitOfMeasurement, snap)
}
}
sender ! Send(metrics)
}
}
}
object SPMMetricsSubscriber {
def props(sender: ActorRef, flushInterval: FiniteDuration, subscriptions: List[(String, String)]) =
Props(classOf[SPMMetricsSubscriber], sender, flushInterval, subscriptions)
}
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