| /** |
| * 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.websocket.proxy; |
| |
| import static org.apache.pulsar.broker.admin.AdminResource.jsonMapper; |
| |
| import java.util.ArrayList; |
| import java.util.Base64; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.pulsar.websocket.data.ProducerMessage; |
| import org.eclipse.jetty.websocket.api.RemoteEndpoint; |
| import org.eclipse.jetty.websocket.api.Session; |
| import org.eclipse.jetty.websocket.api.annotations.OnWebSocketClose; |
| import org.eclipse.jetty.websocket.api.annotations.OnWebSocketConnect; |
| import org.eclipse.jetty.websocket.api.annotations.OnWebSocketMessage; |
| import org.eclipse.jetty.websocket.api.annotations.WebSocket; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.fasterxml.jackson.core.JsonProcessingException; |
| import com.google.gson.Gson; |
| import com.google.gson.JsonObject; |
| import com.google.gson.JsonParseException; |
| |
| @WebSocket(maxTextMessageSize = 64 * 1024) |
| public class SimpleProducerSocket { |
| |
| private final CountDownLatch closeLatch; |
| private Session session; |
| private final ArrayList<String> producerBuffer; |
| private final int messagesToSendWhenConnected; |
| |
| public SimpleProducerSocket() { |
| this(10); |
| } |
| |
| public SimpleProducerSocket(int messagesToSendWhenConnected) { |
| this.closeLatch = new CountDownLatch(1); |
| this.producerBuffer = new ArrayList<>(); |
| this.messagesToSendWhenConnected = messagesToSendWhenConnected; |
| } |
| |
| private static String getTestJsonPayload(int index) throws JsonProcessingException { |
| ProducerMessage msg = new ProducerMessage(); |
| msg.payload = Base64.getEncoder().encodeToString(("test" + index).getBytes()); |
| msg.key = Integer.toString(index); |
| return jsonMapper().writeValueAsString(msg); |
| } |
| |
| public boolean awaitClose(int duration, TimeUnit unit) throws InterruptedException { |
| return this.closeLatch.await(duration, unit); |
| } |
| |
| @OnWebSocketClose |
| public void onClose(int statusCode, String reason) { |
| log.info("Connection closed: {} - {}", statusCode, reason); |
| this.session = null; |
| this.closeLatch.countDown(); |
| } |
| |
| @OnWebSocketConnect |
| public void onConnect(Session session) throws Exception { |
| log.info("Got connect: {}", session); |
| this.session = session; |
| sendMessage(this.messagesToSendWhenConnected); |
| } |
| |
| public void sendMessage(int totalMsgs) throws Exception { |
| for (int i = 0; i < totalMsgs; i++) { |
| this.session.getRemote().sendString(getTestJsonPayload(i)); |
| } |
| } |
| |
| @OnWebSocketMessage |
| public synchronized void onMessage(String msg) throws JsonParseException { |
| JsonObject ack = new Gson().fromJson(msg, JsonObject.class); |
| producerBuffer.add(ack.get("messageId").getAsString()); |
| } |
| |
| public RemoteEndpoint getRemote() { |
| return this.session.getRemote(); |
| } |
| |
| public Session getSession() { |
| return this.session; |
| } |
| |
| public synchronized ArrayList<String> getBuffer() { |
| return producerBuffer; |
| } |
| |
| private static final Logger log = LoggerFactory.getLogger(SimpleProducerSocket.class); |
| |
| } |