Java tutorial
/* * Copyright 2014 The Netty Project * * The Netty Project 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 com.cmz.http.websocketx.benchmarkserver; import io.netty.buffer.ByteBuf; import io.netty.buffer.Unpooled; import io.netty.util.CharsetUtil; /** * Generates the benchmark HTML page which is served at http://localhost:8080/ */ public final class WebSocketServerBenchmarkPage { private static final String NEWLINE = "\r\n"; public static ByteBuf getContent(String webSocketLocation) { return Unpooled.copiedBuffer( "<html><head><title>Web Socket Performance Test</title></head>" + NEWLINE + "<body>" + NEWLINE + "<h2>WebSocket Performance Test</h2>" + NEWLINE + "<label>Connection Status:</label>" + NEWLINE + "<label id=\"connectionLabel\"></label><br />" + NEWLINE + "<form onsubmit=\"return false;\">" + NEWLINE + "Message size:" + "<input type=\"text\" id=\"messageSize\" value=\"1024\"/><br>" + NEWLINE + "Number of messages:" + "<input type=\"text\" id=\"nrMessages\" value=\"100000\"/><br>" + NEWLINE + "Data Type:" + "<input type=\"radio\" name=\"type\" id=\"typeText\" value=\"text\" checked>text" + "<input type=\"radio\" name=\"type\" id=\"typeBinary\" value=\"binary\">binary<br>" + NEWLINE + "Mode:<br>" + NEWLINE + "<input type=\"radio\" name=\"mode\" id=\"modeSingle\" value=\"single\" checked>" + "Wait for response after each messages<br>" + NEWLINE + "<input type=\"radio\" name=\"mode\" id=\"modeAll\" value=\"all\">" + "Send all messages and then wait for all responses<br>" + NEWLINE + "<input type=\"checkbox\" id=\"verifiyResponses\">Verify responded messages<br>" + NEWLINE + "<input type=\"button\" value=\"Start Benchmark\"" + NEWLINE + " onclick=\"startBenchmark()\" />" + NEWLINE + "<h3>Output</h3>" + NEWLINE + "<textarea id=\"output\" style=\"width:500px;height:300px;\"></textarea>" + NEWLINE + "<br>" + NEWLINE + "<input type=\"button\" value=\"Clear\" onclick=\"clearText()\">" + NEWLINE + "</form>" + NEWLINE + "<script type=\"text/javascript\">" + NEWLINE + "var benchRunning = false;" + NEWLINE + "var messageSize = 0;" + NEWLINE + "var totalMessages = 0;" + NEWLINE + "var rcvdMessages = 0;" + NEWLINE + "var isBinary = true;" + NEWLINE + "var isSingle = true;" + NEWLINE + "var verifiyResponses = false;" + NEWLINE + "var benchData = null;" + NEWLINE + "var startTime;" + NEWLINE + "var endTime;" + NEWLINE + "var socket;" + NEWLINE + "var output = document.getElementById('output');" + NEWLINE + "var connectionLabel = document.getElementById('connectionLabel');" + NEWLINE + "if (!window.WebSocket) {" + NEWLINE + " window.WebSocket = window.MozWebSocket;" + NEWLINE + '}' + NEWLINE + "if (window.WebSocket) {" + NEWLINE + " socket = new WebSocket(\"" + webSocketLocation + "\");" + NEWLINE + " socket.binaryType = 'arraybuffer';" + NEWLINE + " socket.onmessage = function(event) {" + NEWLINE + " if (verifiyResponses) {" + NEWLINE + " if (isBinary) {" + NEWLINE + " if (!(event.data instanceof ArrayBuffer) || " + NEWLINE + " event.data.byteLength != benchData.byteLength) {" + NEWLINE + " onInvalidResponse(benchData, event.data);" + NEWLINE + " return;" + NEWLINE + " } else {" + NEWLINE + " var v = new Uint8Array(event.data);" + NEWLINE + " for (var j = 0; j < benchData.byteLength; j++) {" + NEWLINE + " if (v[j] != benchData[j]) {" + NEWLINE + " onInvalidResponse(benchData, event.data);" + NEWLINE + " return;" + NEWLINE + " }" + NEWLINE + " }" + NEWLINE + " }" + NEWLINE + " } else {" + NEWLINE + " if (event.data != benchData) {" + NEWLINE + " onInvalidResponse(benchData, event.data);" + NEWLINE + " return;" + NEWLINE + " }" + NEWLINE + " }" + NEWLINE + " }" + NEWLINE + " rcvdMessages++;" + NEWLINE + " if (rcvdMessages == totalMessages) {" + NEWLINE + " onFinished();" + NEWLINE + " } else if (isSingle) {" + NEWLINE + " socket.send(benchData);" + NEWLINE + " }" + NEWLINE + " };" + NEWLINE + " socket.onopen = function(event) {" + NEWLINE + " connectionLabel.innerHTML = \"Connected\";" + NEWLINE + " };" + NEWLINE + " socket.onclose = function(event) {" + NEWLINE + " benchRunning = false;" + NEWLINE + " connectionLabel.innerHTML = \"Disconnected\";" + NEWLINE + " };" + NEWLINE + "} else {" + NEWLINE + " alert(\"Your browser does not support Web Socket.\");" + NEWLINE + '}' + NEWLINE + NEWLINE + "function onInvalidResponse(sent,recvd) {" + NEWLINE + " socket.close();" + NEWLINE + " alert(\"Error: Sent data did not match the received data!\");" + NEWLINE + "}" + NEWLINE + NEWLINE + "function clearText() {" + NEWLINE + " output.value=\"\";" + NEWLINE + "}" + NEWLINE + NEWLINE + "function createBenchData() {" + NEWLINE + " if (isBinary) {" + NEWLINE + " benchData = new Uint8Array(messageSize);" + NEWLINE + " for (var i=0; i < messageSize; i++) {" + NEWLINE + " benchData[i] += Math.floor(Math.random() * 255);" + NEWLINE + " }" + NEWLINE + " } else { " + NEWLINE + " benchData = \"\";" + NEWLINE + " for (var i=0; i < messageSize; i++) {" + NEWLINE + " benchData += String.fromCharCode(Math.floor(Math.random() * (123 - 65) + 65));" + NEWLINE + " }" + NEWLINE + " }" + NEWLINE + "}" + NEWLINE + NEWLINE + "function startBenchmark(message) {" + NEWLINE + " if (!window.WebSocket || benchRunning) { return; }" + NEWLINE + " if (socket.readyState == WebSocket.OPEN) {" + NEWLINE + " isBinary = document.getElementById('typeBinary').checked;" + NEWLINE + " isSingle = document.getElementById('modeSingle').checked;" + NEWLINE + " verifiyResponses = document.getElementById('verifiyResponses').checked;" + NEWLINE + " messageSize = parseInt(document.getElementById('messageSize').value);" + NEWLINE + " totalMessages = parseInt(document.getElementById('nrMessages').value);" + NEWLINE + " if (isNaN(messageSize) || isNaN(totalMessages)) return;" + NEWLINE + " createBenchData();" + NEWLINE + " output.value = output.value + '\\nStarting Benchmark';" + NEWLINE + " rcvdMessages = 0;" + NEWLINE + " benchRunning = true;" + NEWLINE + " startTime = new Date();" + NEWLINE + " if (isSingle) {" + NEWLINE + " socket.send(benchData);" + NEWLINE + " } else {" + NEWLINE + " for (var i = 0; i < totalMessages; i++) socket.send(benchData);" + NEWLINE + " }" + NEWLINE + " } else {" + NEWLINE + " alert(\"The socket is not open.\");" + NEWLINE + " }" + NEWLINE + '}' + NEWLINE + NEWLINE + "function onFinished() {" + NEWLINE + " endTime = new Date();" + NEWLINE + " var duration = (endTime - startTime) / 1000.0;" + NEWLINE + " output.value = output.value + '\\nTest took: ' + duration + 's';" + NEWLINE + " var messagesPerS = totalMessages / duration;" + NEWLINE + " output.value = output.value + '\\nPerformance: ' + messagesPerS + ' Messages/s';" + NEWLINE + " output.value = output.value + ' in each direction';" + NEWLINE + " output.value = output.value + '\\nRound trip: ' + 1000.0/messagesPerS + 'ms';" + NEWLINE + " var throughput = messageSize * totalMessages / duration;" + NEWLINE + " var throughputText;" + NEWLINE + " if (isBinary) throughputText = throughput / (1024*1024) + ' MB/s';" + NEWLINE + " else throughputText = throughput / (1000*1000) + ' MChars/s';" + NEWLINE + " output.value = output.value + '\\nThroughput: ' + throughputText;" + NEWLINE + " output.value = output.value + ' in each direction';" + NEWLINE + " benchRunning = false;" + NEWLINE + "}" + NEWLINE + "</script>" + NEWLINE + "</body>" + NEWLINE + "</html>" + NEWLINE, CharsetUtil.US_ASCII); } private WebSocketServerBenchmarkPage() { // Unused } }