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/**
* Copyright 2011-2014 eBusiness Information, Groupe Excilys (www.ebusinessinformation.fr)
*
* 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.jms
import scala.collection.mutable
import akka.actor.ActorRef
import io.gatling.core.Predef.Session
import io.gatling.core.result.message.{ Status, KO, OK }
import io.gatling.core.akka.BaseActor
import io.gatling.core.result.writer.DataWriterClient
import javax.jms.Message
import io.gatling.core.check.Check
import io.gatling.core.util.TimeHelper.nowMillis
/**
* Advise actor a message was sent to JMS provider
* @author [email protected]
*/
case class MessageSent(
requestId: String,
startSend: Long,
endSend: Long,
checks: List[JmsCheck],
session: Session,
next: ActorRef,
title: String)
/**
* Advise actor a response message was received from JMS provider
* @author [email protected]
*/
case class MessageReceived(responseId: String, received: Long, message: Message)
/**
* Bookkeeping actor to correlate request and response JMS messages
* Once a message is correlated, it publishes to the Gatling core DataWriter
* @author [email protected]
*/
class JmsRequestTrackerActor extends BaseActor with DataWriterClient {
// messages to be tracked through this HashMap - note it is a mutable hashmap
val sentMessages = mutable.HashMap.empty[String, (Long, Long, List[JmsCheck], Session, ActorRef, String)]
val receivedMessages = mutable.HashMap.empty[String, (Long, Message)]
// Actor receive loop
def receive = {
// message was sent; add the timestamps to the map
case MessageSent(corrId, startSend, endSend, checks, session, next, title) =>
receivedMessages.get(corrId) match {
case Some((received, message)) =>
// message was received out of order, lets just deal with it
processMessage(session, startSend, received, endSend, checks, message, next, title)
receivedMessages -= corrId
case None =>
// normal path
val sentMessage = (startSend, endSend, checks, session, next, title)
sentMessages += corrId -> sentMessage
}
// message was received; publish to the datawriter and remove from the hashmap
case MessageReceived(corrId, received, message) =>
sentMessages.get(corrId) match {
case Some((startSend, endSend, checks, session, next, title)) =>
processMessage(session, startSend, received, endSend, checks, message, next, title)
sentMessages -= corrId
case None =>
// failed to find message; early receive? or bad return correlation id?
// let's add it to the received messages buffer just in case
val receivedMessage = (received, message)
receivedMessages += corrId -> receivedMessage
}
}
/**
* Processes a matched message
*/
def processMessage(session: Session,
startSend: Long,
received: Long,
endSend: Long,
checks: List[JmsCheck],
message: Message,
next: ActorRef,
title: String): Unit = {
def executeNext(updatedSession: Session, status: Status, message: Option[String] = None) = {
writeRequestData(updatedSession, title, startSend, endSend, endSend, received, status, message)
next ! updatedSession.logGroupRequest(received - startSend, status).increaseDrift(nowMillis - received)
}
// run all the checks, advise the Gatling API that it is complete and move to next
val (checkSaveUpdate, error) = Check.check(message, session, checks, false)
val newSession = checkSaveUpdate(session)
error match {
case None => executeNext(newSession, OK)
case Some(m) => executeNext(newSession.markAsFailed, KO, Some(m))
}
}
}
