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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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