131 lines
4.0 KiB
Java
131 lines
4.0 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.tomcat.websocket;
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import java.io.IOException;
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import java.util.concurrent.atomic.AtomicInteger;
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import javax.websocket.OnClose;
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import javax.websocket.OnError;
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import javax.websocket.OnMessage;
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import javax.websocket.OnOpen;
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import javax.websocket.RemoteEndpoint.Basic;
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import javax.websocket.Session;
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import javax.websocket.server.ServerEndpoint;
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import org.apache.tomcat.websocket.server.TesterEndpointConfig;
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/**
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* Sends {@link #MESSAGE_COUNT} messages of size {@link #MESSAGE_SIZE} bytes as
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* quickly as possible after the client sends its first message.
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*/
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public class TesterFirehoseServer {
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public static final int MESSAGE_COUNT = 100000;
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public static final String MESSAGE;
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public static final int MESSAGE_SIZE = 1024;
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public static final int WAIT_TIME_MILLIS = 300000;
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public static final int SEND_TIME_OUT_MILLIS = 5000;
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static {
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StringBuilder sb = new StringBuilder(MESSAGE_SIZE);
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for (int i = 0; i < MESSAGE_SIZE; i++) {
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sb.append('x');
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}
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MESSAGE = sb.toString();
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}
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public static class Config extends TesterEndpointConfig {
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public static final String PATH = "/firehose";
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@Override
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protected Class<?> getEndpointClass() {
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return Endpoint.class;
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}
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}
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@ServerEndpoint(Config.PATH)
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public static class Endpoint {
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private static AtomicInteger openConnectionCount = new AtomicInteger(0);
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private static AtomicInteger errorCount = new AtomicInteger(0);
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private volatile boolean started = false;
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public static int getOpenConnectionCount() {
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return openConnectionCount.intValue();
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}
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public static int getErrorCount() {
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return errorCount.intValue();
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}
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@OnOpen
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public void onOpen() {
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openConnectionCount.incrementAndGet();
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}
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@OnMessage
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public void onMessage(Session session, String msg) throws IOException {
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if (started) {
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return;
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}
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synchronized (this) {
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if (started) {
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return;
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} else {
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started = true;
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}
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}
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System.out.println("Received " + msg + ", now sending data");
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session.getUserProperties().put(
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org.apache.tomcat.websocket.Constants.BLOCKING_SEND_TIMEOUT_PROPERTY,
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Long.valueOf(SEND_TIME_OUT_MILLIS));
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Basic remote = session.getBasicRemote();
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remote.setBatchingAllowed(true);
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for (int i = 0; i < MESSAGE_COUNT; i++) {
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remote.sendText(MESSAGE);
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if (i % (MESSAGE_COUNT * 0.4) == 0) {
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remote.setBatchingAllowed(false);
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remote.setBatchingAllowed(true);
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}
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}
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// Flushing should happen automatically on session close
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session.close();
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}
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@OnError
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public void onError(@SuppressWarnings("unused") Throwable t) {
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errorCount.incrementAndGet();
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}
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@OnClose
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public void onClose() {
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openConnectionCount.decrementAndGet();
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}
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}
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}
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