1 /* |
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2 * Copyright 2007-2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
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20 * CA 95054 USA or visit www.sun.com if you need additional information or |
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21 * have any questions. |
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22 */ |
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23 |
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24 /* |
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25 * @test LeaseTest.java 1.6 08/01/22 |
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26 * @bug 5108776 |
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27 * @summary Basic test for Event service leasing. |
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28 * @author Shanliang JIANG |
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29 * @run clean LeaseTest |
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30 * @run build LeaseTest |
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31 * @run main LeaseTest |
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32 */ |
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33 |
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34 |
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35 import java.io.IOException; |
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36 import java.util.ArrayList; |
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37 import java.util.List; |
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38 import javax.management.ListenerNotFoundException; |
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39 import javax.management.MBeanNotificationInfo; |
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40 import javax.management.MBeanServer; |
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41 import javax.management.MBeanServerFactory; |
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42 import javax.management.Notification; |
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43 import javax.management.NotificationBroadcasterSupport; |
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44 import javax.management.NotificationFilter; |
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45 import javax.management.NotificationListener; |
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46 import javax.management.ObjectName; |
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47 import javax.management.event.EventClient; |
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48 import javax.management.event.EventClientDelegate; |
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49 import javax.management.event.EventClientDelegateMBean; |
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50 import javax.management.event.EventClientNotFoundException; |
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51 import javax.management.event.FetchingEventRelay; |
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52 import javax.management.remote.JMXConnector; |
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53 import javax.management.remote.JMXConnectorFactory; |
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54 import javax.management.remote.JMXConnectorServer; |
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55 import javax.management.remote.JMXConnectorServerFactory; |
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56 import javax.management.remote.JMXServiceURL; |
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57 |
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58 public class LeaseTest { |
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59 |
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60 private static MBeanServer mbeanServer = MBeanServerFactory.createMBeanServer(); |
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61 private static List<Notification> notifList = new ArrayList<Notification>(); |
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62 private static ObjectName emitter; |
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63 private static NotificationEmitter emitterImpl; |
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64 private static JMXServiceURL url; |
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65 private static JMXConnectorServer server; |
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66 private static JMXConnector conn; |
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67 private static Listener listener = new Listener(); |
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68 |
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69 private static long leaseTime = 100; |
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70 private static final int multiple = 5; |
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71 private static final long bigWaiting = 6000; |
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72 |
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73 public static void main(String[] args) throws Exception { |
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74 System.out.println(">>> Test the event service lease"); |
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75 |
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76 // for 1.5 |
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77 if (System.getProperty("java.version").startsWith("1.5") && |
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78 !mbeanServer.isRegistered(EventClientDelegateMBean.OBJECT_NAME)) { |
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79 System.out.print("Working on "+System.getProperty("java.version")+ |
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80 " register "+EventClientDelegateMBean.OBJECT_NAME); |
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81 |
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82 mbeanServer.registerMBean(EventClientDelegate. |
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83 getEventClientDelegate(mbeanServer), |
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84 EventClientDelegateMBean.OBJECT_NAME); |
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85 } |
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86 |
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87 System.setProperty("com.sun.event.lease.time", |
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88 String.valueOf(leaseTime)); |
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89 emitter = new ObjectName("Default:name=NotificationEmitter"); |
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90 emitterImpl = new NotificationEmitter(); |
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91 mbeanServer.registerMBean(emitterImpl, emitter); |
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92 |
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93 String[] types = new String[]{"PushingEventRelay", "FetchingEventRelay"}; |
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94 String[] protos = new String[]{"rmi", "iiop", "jmxmp"}; |
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95 for (String prot : protos) { |
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96 url = new JMXServiceURL(prot, null, 0); |
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97 |
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98 try { |
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99 server = |
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100 JMXConnectorServerFactory.newJMXConnectorServer(url, |
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101 null, mbeanServer); |
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102 server.start(); |
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103 } catch (Exception e) { |
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104 System.out.println(">>> Skip "+prot+", not support."); |
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105 continue; |
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106 } |
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107 |
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108 url = server.getAddress(); |
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109 |
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110 try { |
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111 for (String type: types) { |
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112 test(type); |
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113 } |
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114 } finally { |
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115 server.stop(); |
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116 } |
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117 } |
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118 } |
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119 |
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120 private static void test(String type) throws Exception { |
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121 System.out.println("\n\n>>> Testing "+type+" on "+url+" ..."); |
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122 newConn(); |
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123 EventClient ec = newEventClient(type); |
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124 |
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125 ec.addNotificationListener(emitter, |
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126 listener, null, null); |
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127 |
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128 System.out.println(">>> Send a notification and should receive it."); |
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129 emitterImpl.sendNotif(++counter); |
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130 |
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131 if (!waitNotif(bigWaiting, counter)) { |
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132 throw new RuntimeException(">>> Failed to receive notif."); |
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133 } |
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134 |
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135 System.out.println(">>> Sleep 3 times of requested lease time."); |
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136 Thread.sleep(leaseTime*3); |
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137 System.out.println(">>> Send again a notification and should receive it."); |
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138 emitterImpl.sendNotif(++counter); |
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139 |
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140 if (!waitNotif(bigWaiting, counter)) { |
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141 throw new RuntimeException(">>> Failed to receive notif."); |
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142 } |
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143 |
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144 System.out.println(">>> Close the client connection: "+ |
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145 conn.getConnectionId()); |
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146 conn.close(); |
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147 |
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148 System.out.println(">>> Waiting lease timeout to do clean."); |
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149 |
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150 if (!emitterImpl.waitingClean(leaseTime*multiple)) { |
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151 throw new RuntimeException( |
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152 ">>> The event lease failed to do clean: "+ |
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153 emitterImpl.listenerSize); |
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154 } else { |
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155 System.out.println(">>> The listener has been removed."); |
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156 } |
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157 |
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158 // Check that the client id has indeed been removed, by trying to |
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159 // remove it again, which should fail. |
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160 newConn(); |
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161 try { |
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162 EventClientDelegateMBean proxy = |
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163 EventClientDelegate.getProxy(conn.getMBeanServerConnection()); |
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164 proxy.removeClient(ec.getEventRelay().getClientId()); |
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165 |
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166 throw new RuntimeException( |
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167 ">>> The client id is not removed."); |
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168 } catch (EventClientNotFoundException ecnfe) { |
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169 // OK |
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170 System.out.println(">>> The client id has been removed."); |
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171 } |
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172 conn.close(); |
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173 |
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174 System.out.println(">>> Reconnect to the server."); |
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175 newConn(); |
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176 |
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177 System.out.println(">>> Create a new EventClient and add the listeners" + |
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178 " in the failed EventClient into new EventClient"); |
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179 EventClient newEC = newEventClient(type); |
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180 newEC.addListeners(ec.getListeners()); |
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181 // We expect ec.close() to get IOException because we closed the |
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182 // underlying connection. |
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183 try { |
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184 ec.close(); |
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185 throw new RuntimeException(">>> EventClient.close did not throw " + |
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186 "expected IOException"); |
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187 } catch (IOException e) { |
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188 System.out.println(">>> EventClient.close threw expected exception: " + e); |
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189 } |
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190 |
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191 emitterImpl.sendNotif(++counter); |
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192 |
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193 if (!waitNotif(bigWaiting, counter)) { |
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194 throw new RuntimeException(">>> The event client failed to add " + |
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195 "all old registered listeners after re-connection."); |
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196 } else { |
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197 System.out.println(">>> Successfully received notification from" + |
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198 " new EventClient."); |
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199 } |
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200 |
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201 System.out.println(">>> Clean the failed EventClient."); |
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202 ec.close(); |
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203 if (ec.getListeners().size() != 0) { |
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204 throw new RuntimeException(">>> The event client fails to do clean."); |
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205 } |
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206 |
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207 System.out.println(">>> Clean the new EventClient."); |
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208 newEC.close(); |
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209 if (newEC.getListeners().size() != 0) { |
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210 throw new RuntimeException(">>> The event client fails to do clean."); |
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211 } |
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212 |
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213 conn.close(); |
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214 System.out.println(">>> Testing "+type+" on "+url+" ... done"); |
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215 } |
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216 |
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217 private static boolean waitNotif(long time, int sequenceNumber) |
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218 throws Exception { |
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219 synchronized(notifList) { |
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220 if (search(sequenceNumber)) { |
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221 return true; |
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222 } |
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223 |
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224 long stopTime = System.currentTimeMillis() + time; |
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225 long toWait = time; |
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226 while (toWait > 0) { |
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227 notifList.wait(toWait); |
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228 |
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229 if (search(sequenceNumber)) { |
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230 return true; |
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231 } |
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232 |
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233 toWait = stopTime - System.currentTimeMillis(); |
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234 } |
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235 |
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236 return false; |
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237 } |
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238 } |
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239 |
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240 private static boolean search(int sequenceNumber) { |
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241 while(notifList.size() > 0) { |
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242 Notification n = notifList.remove(0); |
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243 if (n.getSequenceNumber() == sequenceNumber) { |
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244 return true; |
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245 } |
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246 } |
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247 |
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248 return false; |
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249 } |
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250 |
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251 //-------------------------- |
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252 // private classes |
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253 //-------------------------- |
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254 |
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255 private static class Listener implements NotificationListener { |
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256 public void handleNotification(Notification notif, Object handback) { |
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257 synchronized (notifList) { |
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258 notifList.add(notif); |
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259 notifList.notify(); |
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260 } |
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261 } |
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262 } |
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263 |
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264 public static class NotificationEmitter extends NotificationBroadcasterSupport |
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265 implements NotificationEmitterMBean { |
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266 |
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267 public MBeanNotificationInfo[] getNotificationInfo() { |
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268 final String[] ntfTypes = {myType}; |
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269 |
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270 final MBeanNotificationInfo[] ntfInfoArray = { |
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271 new MBeanNotificationInfo(ntfTypes, |
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272 "javax.management.Notification", |
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273 "Notifications sent by the NotificationEmitter")}; |
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274 |
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275 return ntfInfoArray; |
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276 } |
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277 |
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278 /** |
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279 * Send Notification objects. |
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280 * |
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281 * @param nb The number of notifications to send |
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282 */ |
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283 public void sendNotif(int sequenceNumber) { |
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284 Notification notif = new Notification(myType, this, sequenceNumber); |
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285 sendNotification(notif); |
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286 } |
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287 |
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288 public void addNotificationListener(NotificationListener listener, |
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289 NotificationFilter filter, Object handback) { |
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290 super.addNotificationListener(listener, filter, handback); |
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291 |
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292 listenerSize++; |
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293 } |
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294 |
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295 public void removeNotificationListener(NotificationListener listener) |
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296 throws ListenerNotFoundException { |
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297 super.removeNotificationListener(listener); |
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298 listenerSize--; |
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299 |
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300 synchronized(this) { |
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301 if (listenerSize == 0) { |
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302 this.notifyAll(); |
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303 } |
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304 } |
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305 } |
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306 |
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307 public void removeNotificationListener(NotificationListener listener, |
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308 NotificationFilter filter, Object handback) |
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309 throws ListenerNotFoundException { |
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310 super.removeNotificationListener(listener, filter, handback); |
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311 listenerSize--; |
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312 |
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313 synchronized(this) { |
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314 if (listenerSize == 0) { |
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315 this.notifyAll(); |
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316 } |
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317 } |
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318 } |
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319 |
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320 public boolean waitingClean(long timeout) throws Exception { |
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321 synchronized(this) { |
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322 long stopTime = System.currentTimeMillis() + timeout; |
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323 long toWait = timeout; |
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324 while (listenerSize != 0 && toWait > 0) { |
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325 this.wait(toWait); |
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326 toWait = stopTime - System.currentTimeMillis(); |
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327 } |
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328 } |
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329 |
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330 return listenerSize == 0; |
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331 } |
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332 |
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333 public int listenerSize = 0; |
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334 |
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335 private final String myType = "notification.my_notification"; |
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336 } |
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337 |
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338 public interface NotificationEmitterMBean { |
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339 public void sendNotif(int sequenceNumber); |
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340 } |
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341 |
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342 private static void newConn() throws IOException { |
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343 conn = JMXConnectorFactory.connect(url); |
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344 } |
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345 |
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346 private static EventClient newEventClient(String type) throws Exception { |
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347 EventClientDelegateMBean proxy = |
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348 EventClientDelegate.getProxy(conn.getMBeanServerConnection()); |
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349 if (type.equals("PushingEventRelay")) { |
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350 return new EventClient(proxy, |
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351 new FetchingEventRelay(proxy), null, null, leaseTime); |
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352 } else if (type.equals("FetchingEventRelay")) { |
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353 return new EventClient(proxy, |
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354 new FetchingEventRelay(proxy), null, null, leaseTime); |
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355 } else { |
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356 throw new RuntimeException("Wrong event client type: "+type); |
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357 } |
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358 } |
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359 |
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360 private static int counter = 0; |
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361 } |
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