io.gatling.http.cache.ResourceCacheSupport.scala Maven / Gradle / Ivy
/*
* Copyright 2011-2021 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.cache
import java.util.concurrent.ConcurrentMap
import scala.compat.java8.FunctionConverters._
import io.gatling.core.config.GatlingConfiguration
import io.gatling.core.util.cache.Cache
import io.gatling.http.client.uri.Uri
import io.gatling.http.fetch.ConcurrentResource
import io.gatling.http.protocol.HttpProtocol
import io.gatling.http.request.HttpRequest
private[cache] final case class InferredPageResources(expire: String, requests: List[HttpRequest])
private[cache] final case class InferredResourcesCacheKey(protocol: HttpProtocol, uri: Uri)
private[cache] trait ResourceCacheSupport {
def configuration: GatlingConfiguration
// FIXME should CssContentCache use the same key?
private val cssContentCache: ConcurrentMap[Uri, List[ConcurrentResource]] =
Cache.newConcurrentCache[Uri, List[ConcurrentResource]](configuration.http.fetchedCssCacheMaxCapacity)
private val inferredResourcesCache: ConcurrentMap[InferredResourcesCacheKey, InferredPageResources] =
Cache.newConcurrentCache[InferredResourcesCacheKey, InferredPageResources](configuration.http.fetchedHtmlCacheMaxCapacity)
def isCssCached(uri: Uri): Boolean = cssContentCache.get(uri) != null
def computeCssResourcesIfAbsent(uri: Uri, f: Uri => List[ConcurrentResource]): List[ConcurrentResource] =
cssContentCache.computeIfAbsent(uri, f.asJava)
def removeCssResources(uri: Uri): Unit =
cssContentCache.remove(uri)
def getCachedInferredResources(httpProtocol: HttpProtocol, htmlDocumentUri: Uri): InferredPageResources =
inferredResourcesCache.get(InferredResourcesCacheKey(httpProtocol, htmlDocumentUri))
def computeInferredResourcesIfAbsent(
httpProtocol: HttpProtocol,
uri: Uri,
lastModifiedOrEtag: String,
computeResources: () => List[HttpRequest]
): List[HttpRequest] = {
val cacheKey = InferredResourcesCacheKey(httpProtocol, uri)
Option(inferredResourcesCache.get(cacheKey)) match {
case Some(InferredPageResources(`lastModifiedOrEtag`, inferredResources)) =>
//cache entry didn't expire, use it
inferredResources
case _ =>
// cache entry missing or expired, update it
val inferredResources = computeResources()
inferredResourcesCache.put(cacheKey, InferredPageResources(lastModifiedOrEtag, inferredResources))
inferredResources
}
}
}