| /** |
| * 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.pulsar.proxy.server; |
| |
| import java.net.URI; |
| import java.security.GeneralSecurityException; |
| import java.util.List; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| |
| import javax.net.ssl.SSLContext; |
| |
| import org.apache.pulsar.common.util.SecurityUtility; |
| import org.eclipse.jetty.server.Handler; |
| import org.eclipse.jetty.server.Server; |
| import org.eclipse.jetty.server.ServerConnector; |
| import org.eclipse.jetty.server.Slf4jRequestLog; |
| import org.eclipse.jetty.server.handler.ContextHandlerCollection; |
| import org.eclipse.jetty.server.handler.DefaultHandler; |
| import org.eclipse.jetty.server.handler.HandlerCollection; |
| import org.eclipse.jetty.server.handler.RequestLogHandler; |
| import org.eclipse.jetty.servlet.ServletContextHandler; |
| import org.eclipse.jetty.servlet.ServletHolder; |
| import org.eclipse.jetty.util.ssl.SslContextFactory; |
| import org.eclipse.jetty.util.thread.ExecutorThreadPool; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.google.common.collect.Lists; |
| |
| import io.netty.util.concurrent.DefaultThreadFactory; |
| |
| /** |
| * Manages web-service startup/stop on jetty server. |
| * |
| */ |
| public class WebServer { |
| private final Server server; |
| private final ExecutorService webServiceExecutor; |
| private final List<Handler> handlers = Lists.newArrayList(); |
| protected final int externalServicePort; |
| |
| public WebServer(ProxyConfiguration config) { |
| this.webServiceExecutor = Executors.newFixedThreadPool(32, new DefaultThreadFactory("pulsar-external-web")); |
| this.server = new Server(new ExecutorThreadPool(webServiceExecutor)); |
| this.externalServicePort = config.getWebServicePort(); |
| |
| List<ServerConnector> connectors = Lists.newArrayList(); |
| |
| ServerConnector connector = new ServerConnector(server, 1, 1); |
| connector.setPort(externalServicePort); |
| connectors.add(connector); |
| |
| if (config.isTlsEnabledInProxy()) { |
| SslContextFactory sslCtxFactory = new SslContextFactory(); |
| try { |
| SSLContext sslCtx = SecurityUtility.createSslContext(false, null, config.getTlsCertificateFilePath(), |
| config.getTlsKeyFilePath()); |
| sslCtxFactory.setSslContext(sslCtx); |
| } catch (GeneralSecurityException e) { |
| throw new RuntimeException(e); |
| } |
| |
| sslCtxFactory.setWantClientAuth(false); |
| ServerConnector tlsConnector = new ServerConnector(server, 1, 1, sslCtxFactory); |
| tlsConnector.setPort(config.getWebServicePortTls()); |
| connectors.add(tlsConnector); |
| } |
| |
| // Limit number of concurrent HTTP connections to avoid getting out of file descriptors |
| connectors.stream().forEach(c -> c.setAcceptQueueSize(1024 / connectors.size())); |
| server.setConnectors(connectors.toArray(new ServerConnector[connectors.size()])); |
| } |
| |
| public URI getServiceUri() { |
| return this.server.getURI(); |
| } |
| |
| public void addServlet(String path, ServletHolder servletHolder) { |
| ServletContextHandler context = new ServletContextHandler(ServletContextHandler.SESSIONS); |
| context.addServlet(servletHolder, path); |
| handlers.add(context); |
| } |
| |
| public int getExternalServicePort() { |
| return externalServicePort; |
| } |
| |
| public void start() throws Exception { |
| RequestLogHandler requestLogHandler = new RequestLogHandler(); |
| Slf4jRequestLog requestLog = new Slf4jRequestLog(); |
| requestLog.setExtended(true); |
| requestLog.setLogTimeZone("GMT"); |
| requestLog.setLogLatency(true); |
| requestLogHandler.setRequestLog(requestLog); |
| handlers.add(0, new ContextHandlerCollection()); |
| handlers.add(requestLogHandler); |
| |
| ContextHandlerCollection contexts = new ContextHandlerCollection(); |
| contexts.setHandlers(handlers.toArray(new Handler[handlers.size()])); |
| |
| HandlerCollection handlerCollection = new HandlerCollection(); |
| handlerCollection.setHandlers(new Handler[] { contexts, new DefaultHandler(), requestLogHandler }); |
| server.setHandler(handlerCollection); |
| |
| server.start(); |
| |
| log.info("Server started at end point {}", getServiceUri()); |
| } |
| |
| public void stop() throws Exception { |
| server.stop(); |
| webServiceExecutor.shutdown(); |
| log.info("Server stopped successfully"); |
| } |
| |
| public boolean isStarted() { |
| return server.isStarted(); |
| } |
| |
| private static final Logger log = LoggerFactory.getLogger(WebServer.class); |
| } |