io.gatling.core.action.RendezVous.scala Maven / Gradle / Ivy
/*
* Copyright 2011-2024 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.action
import scala.collection.mutable
import io.gatling.commons.util.Clock
import io.gatling.core.actor.{ Actor, ActorRef, ActorSystem, Behavior }
import io.gatling.core.session.Session
import io.gatling.core.stats.StatsEngine
import io.gatling.core.util.NameGen
private object RendezVous extends NameGen {
def apply(users: Int, actorSystem: ActorSystem, statsEngine: StatsEngine, clock: Clock, next: Action): RendezVous = {
val actor = actorSystem.actorOf(new RendezVousActor(users, next, genName("rendezVous")))
new RendezVous(actor, statsEngine, clock, next)
}
}
private final class RendezVous private (actor: ActorRef[Session], val statsEngine: StatsEngine, val clock: Clock, val next: Action)
extends ActorDelegatingAction(actor.name, actor)
/**
* Buffer Sessions until users is reached, then unleash buffer and become passthrough.
*/
private final class RendezVousActor(users: Int, val next: Action, name: String) extends Actor[Session](name) {
private val buffer = mutable.Queue.empty[Session]
override def init(): Behavior[Session] = session => {
buffer += session
if (buffer.sizeIs == users) {
buffer.foreach(next ! _)
buffer.clear()
become(passThrough)
} else {
stay
}
}
private val passThrough: Behavior[Session] = session => {
next ! session
stay
}
}