J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2005 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. |
| 8 | * |
| 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| 13 | * accompanied this code). |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License version |
| 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 18 | * |
| 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any questions. |
| 22 | */ |
| 23 | |
| 24 | /* |
| 25 | * @test |
| 26 | * @bug 6200031 |
| 27 | * @summary Test that the counter/gauge/string monitors emit a |
| 28 | * jmx.monitor.error.type notification when the attribute |
| 29 | * being monitored returns a null value. |
| 30 | * @author Luis-Miguel Alventosa |
| 31 | * @run clean NullAttributeValueTest |
| 32 | * @run build NullAttributeValueTest |
| 33 | * @run main NullAttributeValueTest |
| 34 | */ |
| 35 | |
| 36 | import javax.management.*; |
| 37 | import javax.management.monitor.*; |
| 38 | |
| 39 | public class NullAttributeValueTest implements NotificationListener { |
| 40 | |
| 41 | // Flag to notify that a message has been received |
| 42 | private boolean messageReceived = false; |
| 43 | |
| 44 | // MBean class |
| 45 | public class ObservedObject implements ObservedObjectMBean { |
| 46 | public Integer getIntegerAttribute() { |
| 47 | return null; |
| 48 | } |
| 49 | public String getStringAttribute() { |
| 50 | return null; |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | // MBean interface |
| 55 | public interface ObservedObjectMBean { |
| 56 | public Integer getIntegerAttribute(); |
| 57 | public String getStringAttribute(); |
| 58 | } |
| 59 | |
| 60 | // Notification handler |
| 61 | public void handleNotification(Notification notification, |
| 62 | Object handback) { |
| 63 | MonitorNotification n = (MonitorNotification) notification; |
| 64 | echo("\tInside handleNotification..."); |
| 65 | String type = n.getType(); |
| 66 | try { |
| 67 | if (type.equals( |
| 68 | MonitorNotification.OBSERVED_ATTRIBUTE_TYPE_ERROR)) { |
| 69 | echo("\t\t" + n.getObservedAttribute() + " is null"); |
| 70 | echo("\t\tDerived Gauge = " + n.getDerivedGauge()); |
| 71 | echo("\t\tTrigger = " + n.getTrigger()); |
| 72 | messageReceived = true; |
| 73 | } else { |
| 74 | echo("\t\tSkipping notification of type: " + type); |
| 75 | } |
| 76 | } catch (Exception e) { |
| 77 | echo("\tError in handleNotification!"); |
| 78 | e.printStackTrace(System.out); |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * Update the counter and check for notifications |
| 84 | */ |
| 85 | public int counterMonitorNotification() throws Exception { |
| 86 | |
| 87 | CounterMonitor counterMonitor = null; |
| 88 | try { |
| 89 | MBeanServer server = MBeanServerFactory.newMBeanServer(); |
| 90 | |
| 91 | String domain = server.getDefaultDomain(); |
| 92 | |
| 93 | // Create a new CounterMonitor MBean and add it to the MBeanServer. |
| 94 | // |
| 95 | echo(">>> CREATE a new CounterMonitor MBean"); |
| 96 | ObjectName counterMonitorName = new ObjectName( |
| 97 | domain + ":type=" + CounterMonitor.class.getName()); |
| 98 | counterMonitor = new CounterMonitor(); |
| 99 | server.registerMBean(counterMonitor, counterMonitorName); |
| 100 | |
| 101 | echo(">>> ADD a listener to the CounterMonitor"); |
| 102 | counterMonitor.addNotificationListener(this, null, null); |
| 103 | |
| 104 | // |
| 105 | // MANAGEMENT OF A STANDARD MBEAN |
| 106 | // |
| 107 | |
| 108 | echo(">>> CREATE a new ObservedObject MBean"); |
| 109 | |
| 110 | ObjectName obsObjName = |
| 111 | ObjectName.getInstance(domain + ":type=ObservedObject"); |
| 112 | ObservedObject obsObj = new ObservedObject(); |
| 113 | server.registerMBean(obsObj, obsObjName); |
| 114 | |
| 115 | echo(">>> SET the attributes of the CounterMonitor:"); |
| 116 | |
| 117 | counterMonitor.addObservedObject(obsObjName); |
| 118 | echo("\tATTRIBUTE \"ObservedObject\" = " + obsObjName); |
| 119 | |
| 120 | counterMonitor.setObservedAttribute("IntegerAttribute"); |
| 121 | echo("\tATTRIBUTE \"ObservedAttribute\" = IntegerAttribute"); |
| 122 | |
| 123 | counterMonitor.setNotify(true); |
| 124 | echo("\tATTRIBUTE \"NotifyFlag\" = true"); |
| 125 | |
| 126 | Integer threshold = 2; |
| 127 | counterMonitor.setInitThreshold(threshold); |
| 128 | echo("\tATTRIBUTE \"Threshold\" = " + threshold); |
| 129 | |
| 130 | int granularityperiod = 500; |
| 131 | counterMonitor.setGranularityPeriod(granularityperiod); |
| 132 | echo("\tATTRIBUTE \"GranularityPeriod\" = " + granularityperiod); |
| 133 | |
| 134 | echo(">>> START the CounterMonitor"); |
| 135 | counterMonitor.start(); |
| 136 | |
| 137 | // Wait for granularity period (multiplied by 2 for sure) |
| 138 | // |
| 139 | Thread.sleep(granularityperiod * 2); |
| 140 | |
| 141 | // Check if notification was received |
| 142 | // |
| 143 | if (messageReceived) { |
| 144 | echo("\tOK: CounterMonitor notification received"); |
| 145 | } else { |
| 146 | echo("\tKO: CounterMonitor notification missed or not emitted"); |
| 147 | return 1; |
| 148 | } |
| 149 | } finally { |
| 150 | if (counterMonitor != null) |
| 151 | counterMonitor.stop(); |
| 152 | } |
| 153 | |
| 154 | return 0; |
| 155 | } |
| 156 | |
| 157 | /** |
| 158 | * Update the gauge and check for notifications |
| 159 | */ |
| 160 | public int gaugeMonitorNotification() throws Exception { |
| 161 | |
| 162 | GaugeMonitor gaugeMonitor = null; |
| 163 | try { |
| 164 | MBeanServer server = MBeanServerFactory.newMBeanServer(); |
| 165 | |
| 166 | String domain = server.getDefaultDomain(); |
| 167 | |
| 168 | // Create a new GaugeMonitor MBean and add it to the MBeanServer. |
| 169 | // |
| 170 | echo(">>> CREATE a new GaugeMonitor MBean"); |
| 171 | ObjectName gaugeMonitorName = new ObjectName( |
| 172 | domain + ":type=" + GaugeMonitor.class.getName()); |
| 173 | gaugeMonitor = new GaugeMonitor(); |
| 174 | server.registerMBean(gaugeMonitor, gaugeMonitorName); |
| 175 | |
| 176 | echo(">>> ADD a listener to the GaugeMonitor"); |
| 177 | gaugeMonitor.addNotificationListener(this, null, null); |
| 178 | |
| 179 | // |
| 180 | // MANAGEMENT OF A STANDARD MBEAN |
| 181 | // |
| 182 | |
| 183 | echo(">>> CREATE a new ObservedObject MBean"); |
| 184 | |
| 185 | ObjectName obsObjName = |
| 186 | ObjectName.getInstance(domain + ":type=ObservedObject"); |
| 187 | ObservedObject obsObj = new ObservedObject(); |
| 188 | server.registerMBean(obsObj, obsObjName); |
| 189 | |
| 190 | echo(">>> SET the attributes of the GaugeMonitor:"); |
| 191 | |
| 192 | gaugeMonitor.addObservedObject(obsObjName); |
| 193 | echo("\tATTRIBUTE \"ObservedObject\" = " + obsObjName); |
| 194 | |
| 195 | gaugeMonitor.setObservedAttribute("IntegerAttribute"); |
| 196 | echo("\tATTRIBUTE \"ObservedAttribute\" = IntegerAttribute"); |
| 197 | |
| 198 | gaugeMonitor.setNotifyLow(false); |
| 199 | gaugeMonitor.setNotifyHigh(true); |
| 200 | echo("\tATTRIBUTE \"Notify Low Flag\" = false"); |
| 201 | echo("\tATTRIBUTE \"Notify High Flag\" = true"); |
| 202 | |
| 203 | Double highThreshold = 3.0, lowThreshold = 2.5; |
| 204 | gaugeMonitor.setThresholds(highThreshold, lowThreshold); |
| 205 | echo("\tATTRIBUTE \"Low Threshold\" = " + lowThreshold); |
| 206 | echo("\tATTRIBUTE \"High Threshold\" = " + highThreshold); |
| 207 | |
| 208 | int granularityperiod = 500; |
| 209 | gaugeMonitor.setGranularityPeriod(granularityperiod); |
| 210 | echo("\tATTRIBUTE \"GranularityPeriod\" = " + granularityperiod); |
| 211 | |
| 212 | echo(">>> START the GaugeMonitor"); |
| 213 | gaugeMonitor.start(); |
| 214 | |
| 215 | // Wait for granularity period (multiplied by 2 for sure) |
| 216 | // |
| 217 | Thread.sleep(granularityperiod * 2); |
| 218 | |
| 219 | // Check if notification was received |
| 220 | // |
| 221 | if (messageReceived) { |
| 222 | echo("\tOK: GaugeMonitor notification received"); |
| 223 | } else { |
| 224 | echo("\tKO: GaugeMonitor notification missed or not emitted"); |
| 225 | return 1; |
| 226 | } |
| 227 | } finally { |
| 228 | if (gaugeMonitor != null) |
| 229 | gaugeMonitor.stop(); |
| 230 | } |
| 231 | |
| 232 | return 0; |
| 233 | } |
| 234 | |
| 235 | /** |
| 236 | * Update the string and check for notifications |
| 237 | */ |
| 238 | public int stringMonitorNotification() throws Exception { |
| 239 | |
| 240 | StringMonitor stringMonitor = null; |
| 241 | try { |
| 242 | MBeanServer server = MBeanServerFactory.newMBeanServer(); |
| 243 | |
| 244 | String domain = server.getDefaultDomain(); |
| 245 | |
| 246 | // Create a new StringMonitor MBean and add it to the MBeanServer. |
| 247 | // |
| 248 | echo(">>> CREATE a new StringMonitor MBean"); |
| 249 | ObjectName stringMonitorName = new ObjectName( |
| 250 | domain + ":type=" + StringMonitor.class.getName()); |
| 251 | stringMonitor = new StringMonitor(); |
| 252 | server.registerMBean(stringMonitor, stringMonitorName); |
| 253 | |
| 254 | echo(">>> ADD a listener to the StringMonitor"); |
| 255 | stringMonitor.addNotificationListener(this, null, null); |
| 256 | |
| 257 | // |
| 258 | // MANAGEMENT OF A STANDARD MBEAN |
| 259 | // |
| 260 | |
| 261 | echo(">>> CREATE a new ObservedObject MBean"); |
| 262 | |
| 263 | ObjectName obsObjName = |
| 264 | ObjectName.getInstance(domain + ":type=ObservedObject"); |
| 265 | ObservedObject obsObj = new ObservedObject(); |
| 266 | server.registerMBean(obsObj, obsObjName); |
| 267 | |
| 268 | echo(">>> SET the attributes of the StringMonitor:"); |
| 269 | |
| 270 | stringMonitor.addObservedObject(obsObjName); |
| 271 | echo("\tATTRIBUTE \"ObservedObject\" = " + obsObjName); |
| 272 | |
| 273 | stringMonitor.setObservedAttribute("StringAttribute"); |
| 274 | echo("\tATTRIBUTE \"ObservedAttribute\" = StringAttribute"); |
| 275 | |
| 276 | stringMonitor.setNotifyMatch(true); |
| 277 | echo("\tATTRIBUTE \"NotifyMatch\" = true"); |
| 278 | |
| 279 | stringMonitor.setNotifyDiffer(false); |
| 280 | echo("\tATTRIBUTE \"NotifyDiffer\" = false"); |
| 281 | |
| 282 | stringMonitor.setStringToCompare("do_match_now"); |
| 283 | echo("\tATTRIBUTE \"StringToCompare\" = \"do_match_now\""); |
| 284 | |
| 285 | int granularityperiod = 500; |
| 286 | stringMonitor.setGranularityPeriod(granularityperiod); |
| 287 | echo("\tATTRIBUTE \"GranularityPeriod\" = " + granularityperiod); |
| 288 | |
| 289 | echo(">>> START the StringMonitor"); |
| 290 | stringMonitor.start(); |
| 291 | |
| 292 | // Wait for granularity period (multiplied by 2 for sure) |
| 293 | // |
| 294 | Thread.sleep(granularityperiod * 2); |
| 295 | |
| 296 | // Check if notification was received |
| 297 | // |
| 298 | if (messageReceived) { |
| 299 | echo("\tOK: StringMonitor notification received"); |
| 300 | } else { |
| 301 | echo("\tKO: StringMonitor notification missed or not emitted"); |
| 302 | return 1; |
| 303 | } |
| 304 | } finally { |
| 305 | if (stringMonitor != null) |
| 306 | stringMonitor.stop(); |
| 307 | } |
| 308 | |
| 309 | return 0; |
| 310 | } |
| 311 | |
| 312 | /** |
| 313 | * Test the monitor notifications. |
| 314 | */ |
| 315 | public int monitorNotifications() throws Exception { |
| 316 | echo(">>> ----------------------------------------"); |
| 317 | messageReceived = false; |
| 318 | int error = counterMonitorNotification(); |
| 319 | echo(">>> ----------------------------------------"); |
| 320 | messageReceived = false; |
| 321 | error += gaugeMonitorNotification(); |
| 322 | echo(">>> ----------------------------------------"); |
| 323 | messageReceived = false; |
| 324 | error += stringMonitorNotification(); |
| 325 | echo(">>> ----------------------------------------"); |
| 326 | return error; |
| 327 | } |
| 328 | |
| 329 | /* |
| 330 | * Print message |
| 331 | */ |
| 332 | private static void echo(String message) { |
| 333 | System.out.println(message); |
| 334 | } |
| 335 | |
| 336 | /* |
| 337 | * Standalone entry point. |
| 338 | * |
| 339 | * Run the test and report to stdout. |
| 340 | */ |
| 341 | public static void main (String args[]) throws Exception { |
| 342 | NullAttributeValueTest test = new NullAttributeValueTest(); |
| 343 | int error = test.monitorNotifications(); |
| 344 | if (error > 0) { |
| 345 | echo(">>> Unhappy Bye, Bye!"); |
| 346 | throw new IllegalStateException("Test FAILED: Didn't get all " + |
| 347 | "the notifications that were " + |
| 348 | "expected by the test!"); |
| 349 | } else { |
| 350 | echo(">>> Happy Bye, Bye!"); |
| 351 | } |
| 352 | } |
| 353 | } |