io.gatling.http.resolver.AliasesAwareNameResolver.scala Maven / Gradle / Ivy
/*
* Copyright 2011-2023 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.http.resolver
import java.{ util => ju }
import java.net.InetAddress
import io.gatling.http.client.HttpListener
import io.gatling.http.client.resolver.InetAddressNameResolver
import io.gatling.http.util.InetAddresses
import io.netty.util.NetUtil
import io.netty.util.concurrent.{ Future, Promise }
private[http] object AliasesAwareNameResolver {
def apply(aliases: Map[String, ju.List[InetAddress]], wrapped: InetAddressNameResolver): InetAddressNameResolver =
if (aliases.isEmpty) {
wrapped
} else {
val shuffledAliases =
aliases.view.mapValues(InetAddresses.shuffleInetAddresses(_, NetUtil.isIpV4StackPreferred, NetUtil.isIpV6AddressesPreferred)).to(Map)
new AliasesAwareNameResolver(shuffledAliases, wrapped)
}
}
private class AliasesAwareNameResolver(aliases: Map[String, ju.List[InetAddress]], wrapped: InetAddressNameResolver) extends InetAddressNameResolver {
override def resolveAll(inetHost: String, promise: Promise[ju.List[InetAddress]], listener: HttpListener): Future[ju.List[InetAddress]] =
aliases.get(inetHost) match {
case Some(addresses) => promise.setSuccess(addresses)
case _ => wrapped.resolveAll(inetHost, promise, listener)
}
override def close(): Unit = wrapped.close()
}