| /** |
| * |
| * 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.bookkeeper.http.vertx; |
| |
| import io.vertx.core.AbstractVerticle; |
| import io.vertx.core.AsyncResult; |
| import io.vertx.core.Vertx; |
| import io.vertx.ext.web.Router; |
| import io.vertx.ext.web.handler.BodyHandler; |
| |
| import java.io.IOException; |
| import java.util.concurrent.CompletableFuture; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.ExecutionException; |
| |
| import org.apache.bookkeeper.http.HttpRouter; |
| import org.apache.bookkeeper.http.HttpServer; |
| import org.apache.bookkeeper.http.HttpServiceProvider; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Vertx.io implementation of Http Server. |
| */ |
| public class VertxHttpServer implements HttpServer { |
| |
| static final Logger LOG = LoggerFactory.getLogger(VertxHttpServer.class); |
| |
| private Vertx vertx; |
| private boolean isRunning; |
| private HttpServiceProvider httpServiceProvider; |
| private int listeningPort = -1; |
| |
| public VertxHttpServer() { |
| this.vertx = Vertx.vertx(); |
| } |
| |
| int getListeningPort() { |
| return listeningPort; |
| } |
| |
| @Override |
| public void initialize(HttpServiceProvider httpServiceProvider) { |
| this.httpServiceProvider = httpServiceProvider; |
| } |
| |
| @Override |
| public boolean startServer(int port) { |
| CompletableFuture<AsyncResult<io.vertx.core.http.HttpServer>> future = new CompletableFuture<>(); |
| VertxHttpHandlerFactory handlerFactory = new VertxHttpHandlerFactory(httpServiceProvider); |
| Router router = Router.router(vertx); |
| router.route().handler(BodyHandler.create()); |
| HttpRouter<VertxAbstractHandler> requestRouter = new HttpRouter<VertxAbstractHandler>(handlerFactory) { |
| @Override |
| public void bindHandler(String endpoint, VertxAbstractHandler handler) { |
| router.get(endpoint).handler(handler); |
| router.put(endpoint).handler(handler); |
| router.post(endpoint).handler(handler); |
| router.delete(endpoint).handler(handler); |
| } |
| }; |
| requestRouter.bindAll(); |
| vertx.deployVerticle(new AbstractVerticle() { |
| @Override |
| public void start() throws Exception { |
| LOG.info("Starting Vertx HTTP server on port {}", port); |
| vertx.createHttpServer().requestHandler(router::accept).listen(port, future::complete); |
| } |
| }); |
| try { |
| AsyncResult<io.vertx.core.http.HttpServer> asyncResult = future.get(); |
| if (asyncResult.succeeded()) { |
| LOG.info("Vertx Http server started successfully"); |
| listeningPort = asyncResult.result().actualPort(); |
| isRunning = true; |
| return true; |
| } else { |
| LOG.error("Failed to start org.apache.bookkeeper.http server on port {}", port, asyncResult.cause()); |
| } |
| } catch (InterruptedException ie) { |
| Thread.currentThread().interrupt(); |
| LOG.error("Failed to start org.apache.bookkeeper.http server on port {}", port, ie); |
| } catch (ExecutionException e) { |
| LOG.error("Failed to start org.apache.bookkeeper.http server on port {}", port, e); |
| } |
| return false; |
| } |
| |
| @Override |
| public void stopServer() { |
| CountDownLatch shutdownLatch = new CountDownLatch(1); |
| try { |
| httpServiceProvider.close(); |
| } catch (IOException ioe) { |
| LOG.error("Error while close httpServiceProvider", ioe); |
| } |
| vertx.close(asyncResult -> { |
| isRunning = false; |
| shutdownLatch.countDown(); |
| LOG.info("HTTP server is shutdown"); |
| }); |
| try { |
| shutdownLatch.await(); |
| } catch (InterruptedException e) { |
| Thread.currentThread().interrupt(); |
| LOG.error("Interrupted while shutting down org.apache.bookkeeper.http server"); |
| } |
| } |
| |
| @Override |
| public boolean isRunning() { |
| return isRunning; |
| } |
| } |