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/* ===================================================
* 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.newrelic
import akka.actor.Actor
import kamon.trace.UowTrace
import com.newrelic.api.agent.{ NewRelic ⇒ NRAgent }
import kamon.trace.UowTracing.WebExternal
class Apdex extends Actor {
val t = 500
var satisfied: Int = 0
var tolerating: Int = 0
var frustrated: Int = 0
def receive = {
case trace: UowTrace ⇒ recordTransaction(trace)
}
def clearStats: Unit = {
satisfied = 0
tolerating = 0
frustrated = 0
}
def total: Int = satisfied + tolerating + frustrated
def updateStats(sampleTime: Double): Unit = {
if (sampleTime < t)
satisfied += 1
else if (sampleTime >= t && sampleTime <= 4 * t)
tolerating += 1
else
frustrated += 1
}
def recordTransaction(uowTrace: UowTrace): Unit = {
val time = ((uowTrace.segments.last.timestamp - uowTrace.segments.head.timestamp) / 1E9)
updateStats(time)
NRAgent.recordMetric("WebTransaction/Custom" + uowTrace.name, time.toFloat)
NRAgent.recordMetric("WebTransaction", time.toFloat)
NRAgent.recordMetric("HttpDispatcher", time.toFloat)
uowTrace.segments.collect { case we: WebExternal ⇒ we }.foreach { webExternalTrace ⇒
val external = ((webExternalTrace.finish - webExternalTrace.start) / 1E9).toFloat
println("Web External: " + webExternalTrace)
NRAgent.recordMetric(s"External/${webExternalTrace.host}/http", external)
NRAgent.recordMetric(s"External/${webExternalTrace.host}/all", external)
NRAgent.recordMetric(s"External/${webExternalTrace.host}/http/WebTransaction/Custom" + uowTrace.name, external)
}
val allExternals = uowTrace.segments.collect { case we: WebExternal ⇒ we } sortBy (_.timestamp)
def measureExternal(accum: Long, lastEnd: Long, segments: Seq[WebExternal]): Long = segments match {
case Nil ⇒ accum
case head :: tail ⇒
if (head.start > lastEnd)
measureExternal(accum + (head.finish - head.start), head.finish, tail)
else
measureExternal(accum + (head.finish - lastEnd), head.finish, tail)
}
val external = measureExternal(0, 0, allExternals) / 1E9
NRAgent.recordMetric(s"External/all", external.toFloat)
NRAgent.recordMetric(s"External/allWeb", external.toFloat)
}
}
case object Flush
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