| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 org.apache.servicecomb.foundation.vertx.client.http; |
| |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.apache.servicecomb.foundation.common.utils.SPIServiceUtils; |
| import org.apache.servicecomb.foundation.vertx.AddressResolverConfig; |
| import org.apache.servicecomb.foundation.vertx.SharedVertxFactory; |
| import org.apache.servicecomb.foundation.vertx.VertxUtils; |
| import org.apache.servicecomb.foundation.vertx.client.ClientPoolManager; |
| import org.apache.servicecomb.foundation.vertx.client.ClientVerticle; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import io.vertx.core.Context; |
| import io.vertx.core.DeploymentOptions; |
| import io.vertx.core.Vertx; |
| import io.vertx.core.VertxOptions; |
| import io.vertx.core.dns.AddressResolverOptions; |
| |
| /** |
| * load and manages a set of HttpClient at boot up. |
| */ |
| public class HttpClients { |
| private static final Logger LOGGER = LoggerFactory.getLogger(HttpClients.class); |
| |
| private static final Map<String, ClientPoolManager<HttpClientWithContext>> httpClients = new HashMap<>(); |
| |
| /* load at boot up, call this method once and only once. */ |
| public static void load() { |
| List<HttpClientOptionsSPI> clientOptionsList = SPIServiceUtils.getOrLoadSortedService(HttpClientOptionsSPI.class); |
| clientOptionsList.forEach(option -> { |
| if (option.enabled()) { |
| ClientPoolManager<HttpClientWithContext> clientPoolManager = httpClients.get(option.clientName()); |
| if (clientPoolManager != null) { |
| LOGGER.warn("client pool {} initialized again.", option.clientName()); |
| } |
| httpClients.put(option.clientName(), createClientPoolManager(option)); |
| } |
| }); |
| } |
| |
| /* destroy at shutdown. */ |
| public static void destroy() { |
| httpClients.clear(); |
| List<HttpClientOptionsSPI> clientOptionsList = SPIServiceUtils.getOrLoadSortedService(HttpClientOptionsSPI.class); |
| clientOptionsList.forEach(option -> VertxUtils.blockCloseVertxByName(option.clientName())); |
| } |
| |
| private static ClientPoolManager<HttpClientWithContext> createClientPoolManager(HttpClientOptionsSPI option) { |
| Vertx vertx = getOrCreateVertx(option); |
| ClientPoolManager<HttpClientWithContext> clientPoolManager = new ClientPoolManager<>(vertx, |
| new HttpClientPoolFactory(HttpClientOptionsSPI.createHttpClientOptions(option))); |
| |
| DeploymentOptions deployOptions = VertxUtils.createClientDeployOptions(clientPoolManager, |
| option.getInstanceCount()) |
| .setWorker(option.isWorker()) |
| .setWorkerPoolName(option.getWorkerPoolName()) |
| .setWorkerPoolSize(option.getWorkerPoolSize()); |
| try { |
| VertxUtils.blockDeploy(vertx, ClientVerticle.class, deployOptions); |
| return clientPoolManager; |
| } catch (InterruptedException e) { |
| throw new IllegalStateException(e); |
| } |
| } |
| |
| private static Vertx getOrCreateVertx(HttpClientOptionsSPI option) { |
| if (option.useSharedVertx()) { |
| return SharedVertxFactory.getSharedVertx(); |
| } |
| |
| AddressResolverOptions resolverOptions = AddressResolverConfig |
| .getAddressResover(option.getConfigTag(), option.getConfigReader()); |
| VertxOptions vertxOptions = new VertxOptions() |
| .setAddressResolverOptions(resolverOptions) |
| .setEventLoopPoolSize(option.getEventLoopPoolSize()); |
| |
| // Maybe we can deploy only one vert.x for the application. However this has did it like this. |
| return VertxUtils.getOrCreateVertxByName(option.clientName(), vertxOptions); |
| } |
| |
| /** |
| * get client instance by name |
| * @param clientName instance name |
| * @return the deployed instance name |
| */ |
| public static HttpClientWithContext getClient(String clientName) { |
| return getClient(clientName, true); |
| } |
| |
| /** |
| * get client instance by name |
| * @param clientName instance name |
| * @param sync reactive or not. false for reactive. |
| * @return the deployed instance name |
| */ |
| public static HttpClientWithContext getClient(String clientName, boolean sync) { |
| return getClient(clientName, sync, null); |
| } |
| |
| /** |
| * get client instance by name |
| * @param clientName instance name |
| * @param sync reactive or not. false for reactive. |
| * @param targetContext running context |
| * @return the deployed instance name |
| */ |
| public static HttpClientWithContext getClient(String clientName, boolean sync, Context targetContext) { |
| ClientPoolManager<HttpClientWithContext> poolManager = httpClients.get(clientName); |
| if (poolManager == null) { |
| LOGGER.error("client name [{}] not exists, should only happen in tests.", clientName); |
| return null; |
| } |
| return poolManager.findClientPool(sync, targetContext); |
| } |
| } |