/
LeakReporterDataWriter.scala
82 lines (64 loc) · 2.9 KB
/
LeakReporterDataWriter.scala
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/*
* Copyright 2011-2018 GatlingCorp (https://gatling.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 io.gatling.core.stats.writer
import scala.collection.mutable
import scala.concurrent.duration.FiniteDuration
import io.gatling.commons.util.Clock
import io.gatling.core.config.GatlingConfiguration
import io.gatling.core.stats.message.{ End, Start }
class LeakData(val noActivityTimeout: FiniteDuration, var lastTouch: Long, val events: mutable.Map[Long, DataWriterMessage]) extends DataWriterData
class LeakReporterDataWriter(clock: Clock, configuration: GatlingConfiguration) extends DataWriter[LeakData] {
private val flushTimerName = "flushTimer"
def onInit(init: Init): LeakData = {
val noActivityTimeout = configuration.data.leak.noActivityTimeout
setTimer(flushTimerName, Flush, noActivityTimeout, repeat = true)
new LeakData(noActivityTimeout, clock.nowMillis, mutable.Map.empty[Long, DataWriterMessage])
}
override def onFlush(data: LeakData): Unit = {
import data._
val timeSinceLastTouch = (clock.nowMillis - lastTouch) / 1000
if (timeSinceLastTouch > noActivityTimeout.toSeconds && events.nonEmpty) {
System.err.println(s"Gatling had no activity during last $noActivityTimeout. It could be a virtual user leak, here's their last events:")
events.values.foreach(System.err.println)
}
}
private def onUserMessage(user: UserMessage, data: LeakData): Unit = {
import data._
lastTouch = clock.nowMillis
user.event match {
case Start => events += user.session.userId -> user
case End => events -= user.session.userId
}
}
private def onGroupMessage(group: GroupMessage, data: LeakData): Unit = {
import data._
lastTouch = clock.nowMillis
events += group.userId -> group
}
private def onResponseMessage(response: ResponseMessage, data: LeakData): Unit = {
import data._
lastTouch = clock.nowMillis
events += response.userId -> response
}
override def onMessage(message: LoadEventMessage, data: LeakData): Unit = message match {
case user: UserMessage => onUserMessage(user, data)
case group: GroupMessage => onGroupMessage(group, data)
case request: ResponseMessage => onResponseMessage(request, data)
case _: ErrorMessage =>
}
override def onCrash(cause: String, data: LeakData): Unit = {}
override def onStop(data: LeakData): Unit = cancelTimer(flushTimerName)
}