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1 /* |
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2 * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 |
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24 import java.rmi.RemoteException; |
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25 import java.rmi.Naming; |
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26 import java.rmi.server.UnicastRemoteObject; |
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27 import java.rmi.registry.LocateRegistry; |
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28 import java.rmi.registry.Registry; |
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29 import java.util.Random; |
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30 import java.util.ArrayList; |
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31 import java.util.Date; |
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32 import java.util.logging.Logger; |
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33 import java.util.logging.Level; |
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34 |
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35 /** |
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36 * The AppleUserImpl class implements the behavior of the remote |
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37 * "apple user" objects exported by the server. The application server |
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38 * passes each of its remote "apple" objects to an apple user, and an |
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39 * AppleUserThread is created for each apple. |
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40 */ |
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41 public class AppleUserImpl |
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42 extends UnicastRemoteObject |
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43 implements AppleUser |
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44 { |
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45 private static Logger logger = Logger.getLogger("reliability.appleuser"); |
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46 private static int threadNum = 0; |
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47 private static long testDuration = 0; |
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48 private static int maxLevel = 7; |
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49 private static Thread server = null; |
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50 private static Exception status = null; |
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51 private static Random random = new Random(); |
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52 |
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53 public AppleUserImpl() throws RemoteException { |
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54 } |
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55 |
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56 /** |
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57 * Allows the other server process to indicate that it is ready |
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58 * to start "juicing". |
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59 */ |
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60 public synchronized void startTest() throws RemoteException { |
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61 this.notifyAll(); |
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62 } |
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63 |
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64 /** |
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65 * Allows the other server process to report an exception to this |
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66 * process and thereby terminate the test. |
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67 */ |
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68 public void reportException(Exception status) throws RemoteException { |
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69 synchronized (AppleUserImpl.class) { |
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70 this.status = status; |
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71 AppleUserImpl.class.notifyAll(); |
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72 } |
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73 } |
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74 |
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75 /** |
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76 * "Use" supplied apple object. Create an AppleUserThread to |
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77 * stress it out. |
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78 */ |
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79 public synchronized void useApple(Apple apple) throws RemoteException { |
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80 String threadName = Thread.currentThread().getName(); |
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81 logger.log(Level.FINEST, |
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82 threadName + ": AppleUserImpl.useApple(): BEGIN"); |
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83 |
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84 AppleUserThread t = |
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85 new AppleUserThread("AppleUserThread-" + (++threadNum), apple); |
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86 t.start(); |
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87 |
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88 logger.log(Level.FINEST, |
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89 threadName + ": AppleUserImpl.useApple(): END"); |
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90 } |
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91 |
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92 /** |
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93 * The AppleUserThread class repeatedly invokes calls on its associated |
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94 * Apple object to stress the RMI system. |
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95 */ |
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96 class AppleUserThread extends Thread { |
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97 |
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98 Apple apple; |
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99 |
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100 public AppleUserThread(String name, Apple apple) { |
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101 super(name); |
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102 this.apple = apple; |
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103 } |
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104 |
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105 public void run() { |
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106 int orangeNum = 0; |
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107 long stopTime = System.currentTimeMillis() + testDuration; |
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108 Logger logger = Logger.getLogger("reliability.appleuserthread"); |
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109 |
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110 try { |
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111 do { // loop until stopTime is reached |
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112 |
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113 /* |
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114 * Notify apple with some apple events. This tests |
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115 * serialization of arrays. |
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116 */ |
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117 int numEvents = Math.abs(random.nextInt() % 5); |
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118 AppleEvent[] events = new AppleEvent[numEvents]; |
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119 for (int i = 0; i < events.length; ++ i) { |
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120 events[i] = new AppleEvent(orangeNum % 3); |
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121 } |
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122 apple.notify(events); |
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123 |
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124 /* |
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125 * Request a new orange object be created in |
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126 * the application server. |
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127 */ |
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128 Orange orange = apple.newOrange( |
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129 "Orange(" + getName() + ")-" + (++orangeNum)); |
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130 |
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131 /* |
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132 * Create a large message of random ints to pass to orange. |
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133 */ |
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134 int msgLength = 1000 + Math.abs(random.nextInt() % 3000); |
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135 int[] message = new int[msgLength]; |
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136 for (int i = 0; i < message.length; ++ i) { |
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137 message[i] = random.nextInt(); |
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138 } |
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139 |
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140 /* |
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141 * Invoke recursive call on the orange. Base case |
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142 * of recursion inverts messgage. |
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143 */ |
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144 OrangeEchoImpl echo = new OrangeEchoImpl( |
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145 "OrangeEcho(" + getName() + ")-" + orangeNum); |
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146 int[] response = orange.recurse(echo, message, |
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147 2 + Math.abs(random.nextInt() % (maxLevel + 1))); |
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148 |
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149 /* |
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150 * Verify message was properly inverted and not corrupted |
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151 * through all the recursive method invocations. |
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152 */ |
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153 if (response.length != message.length) { |
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154 throw new RuntimeException( |
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155 "ERROR: CORRUPTED RESPONSE: " + |
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156 "wrong length of returned array " + "(should be " + |
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157 message.length + ", is " + response.length + ")"); |
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158 } |
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159 for (int i = 0; i < message.length; ++ i) { |
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160 if (~message[i] != response[i]) { |
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161 throw new RuntimeException( |
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162 "ERROR: CORRUPTED RESPONSE: " + |
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163 "at element " + i + "/" + message.length + |
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164 " of returned array (should be " + |
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165 Integer.toHexString(~message[i]) + ", is " + |
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166 Integer.toHexString(response[i]) + ")"); |
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167 } |
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168 } |
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169 |
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170 try { |
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171 Thread.sleep(Math.abs(random.nextInt() % 10) * 1000); |
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172 } catch (InterruptedException e) { |
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173 } |
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174 |
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175 } while (System.currentTimeMillis() < stopTime); |
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176 |
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177 } catch (Exception e) { |
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178 status = e; |
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179 } |
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180 synchronized (AppleUserImpl.class) { |
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181 AppleUserImpl.class.notifyAll(); |
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182 } |
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183 } |
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184 } |
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185 |
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186 private static void usage() { |
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187 System.out.println("Usage: AppleUserImpl [-hours <hours> | " + |
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188 "-seconds <seconds>]"); |
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189 System.out.println(" [-maxLevel <maxLevel>]"); |
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190 System.out.println(" hours The number of hours to run the juicer."); |
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191 System.out.println(" The default is 0 hours."); |
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192 System.out.println(" seconds The number of seconds to run the juicer."); |
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193 System.out.println(" The default is 0 seconds."); |
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194 System.out.println(" maxLevel The maximum number of levels to "); |
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195 System.out.println(" recurse on each call."); |
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196 System.out.println(" The default is 7 levels."); |
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197 //TestLibrary.bomb("Bad argument"); |
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198 } |
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199 |
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200 /** |
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201 * Entry point for the "juicer" server process. Create and export |
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202 * an apple user implementation in an rmiregistry running on localhost. |
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203 */ |
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204 public static void main(String[] args) |
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205 |
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206 { |
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207 //TestLibrary.suggestSecurityManager("java.rmi.RMISecurityManager"); |
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208 long startTime = 0; |
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209 String durationString = null; |
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210 |
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211 // parse command line args |
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212 try { |
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213 for (int i = 0; i < args.length ; i++ ) { |
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214 String arg = args[i]; |
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215 if (arg.equals("-hours")) { |
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216 if (durationString != null) { |
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217 usage(); |
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218 } |
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219 i++; |
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220 int hours = Integer.parseInt(args[i]); |
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221 durationString = hours + " hours"; |
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222 testDuration = hours * 60 * 60 * 1000; |
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223 } else if (arg.equals("-seconds")) { |
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224 if (durationString != null) { |
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225 usage(); |
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226 } |
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227 i++; |
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228 long seconds = Long.parseLong(args[i]); |
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229 durationString = seconds + " seconds"; |
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230 testDuration = seconds * 1000; |
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231 } else if (arg.equals("-maxLevel")) { |
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232 i++; |
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233 maxLevel = Integer.parseInt(args[i]); |
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234 } else { |
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235 usage(); |
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236 } |
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237 } |
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238 if (durationString == null) { |
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239 durationString = testDuration + " milliseconds"; |
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240 } |
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241 } catch (Throwable t) { |
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242 usage(); |
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243 } |
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244 |
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245 AppleUserImpl user = null; |
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246 try { |
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247 user = new AppleUserImpl(); |
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248 } catch (RemoteException e) { |
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249 //TestLibrary.bomb("Failed to create AppleUser", e); |
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250 } |
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251 |
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252 synchronized (user) { |
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253 int port = -1; |
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254 // create new registry and bind new AppleUserImpl in registry |
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255 try { |
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256 Registry registry = TestLibrary.createRegistryOnEphemeralPort(); |
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257 port = TestLibrary.getRegistryPort(registry); |
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258 Naming.rebind("rmi://localhost:" + port + "/AppleUser",user); |
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259 } catch (RemoteException e) { |
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260 //TestLibrary.bomb("Failed to bind AppleUser", e); |
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261 } catch (java.net.MalformedURLException e) { |
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262 //TestLibrary.bomb("Failed to bind AppleUser", e); |
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263 } |
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264 |
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265 // start the other server if available |
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266 try { |
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267 Class app = Class.forName("ApplicationServer"); |
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268 java.lang.reflect.Constructor appConstructor = |
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269 app.getDeclaredConstructor(new Class[] {Integer.TYPE}); |
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270 server = new Thread((Runnable) appConstructor.newInstance(port)); |
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271 } catch (ClassNotFoundException e) { |
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272 // assume the other server is running in a separate process |
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273 logger.log(Level.INFO, "Application server must be " + |
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274 "started in separate process"); |
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275 } catch (Exception ie) { |
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276 //TestLibrary.bomb("Could not instantiate server", ie); |
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277 } |
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278 |
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279 // wait for other server to call startTest method |
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280 try { |
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281 logger.log(Level.INFO, "Waiting for application server " + |
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282 "process to start"); |
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283 user.wait(); |
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284 } catch (InterruptedException ie) { |
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285 //TestLibrary.bomb("AppleUserImpl interrupted", ie); |
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286 } |
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287 } |
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288 |
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289 startTime = System.currentTimeMillis(); |
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290 logger.log(Level.INFO, "Test starting"); |
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291 |
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292 // wait for exception to be reported or first thread to complete |
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293 try { |
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294 logger.log(Level.INFO, "Waiting " + durationString + " for " + |
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295 "test to complete or exception to be thrown"); |
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296 |
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297 synchronized (AppleUserImpl.class) { |
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298 AppleUserImpl.class.wait(); |
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299 } |
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300 |
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301 if (status != null) { |
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302 //TestLibrary.bomb("juicer server reported an exception", status); |
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303 } else { |
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304 logger.log(Level.INFO, "TEST PASSED"); |
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305 } |
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306 } catch (Exception e) { |
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307 logger.log(Level.INFO, "TEST FAILED"); |
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308 //TestLibrary.bomb("unexpected exception", e); |
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309 } finally { |
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310 logger.log(Level.INFO, "Test finished"); |
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311 long actualDuration = System.currentTimeMillis() - startTime; |
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312 logger.log(Level.INFO, "Test duration was " + |
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313 (actualDuration/1000) + " seconds " + |
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314 "(" + (actualDuration/3600000) + " hours)"); |
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315 } |
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316 } |
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317 } |