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From u..@apache.org
Subject [11/50] [abbrv] incubator-geode git commit: Merge branch 'develop' into feature/GEODE-420
Date Tue, 13 Sep 2016 19:11:58 GMT
http://git-wip-us.apache.org/repos/asf/incubator-geode/blob/dfbc88b2/geode-core/src/test/java/com/gemstone/gemfire/internal/statistics/GemFireStatSamplerIntegrationTest.java
----------------------------------------------------------------------
diff --cc geode-core/src/test/java/com/gemstone/gemfire/internal/statistics/GemFireStatSamplerIntegrationTest.java
index 0000000,ff7c34d..0e87a47
mode 000000,100644..100644
--- a/geode-core/src/test/java/com/gemstone/gemfire/internal/statistics/GemFireStatSamplerIntegrationTest.java
+++ b/geode-core/src/test/java/com/gemstone/gemfire/internal/statistics/GemFireStatSamplerIntegrationTest.java
@@@ -1,0 -1,612 +1,616 @@@
+ /*
+  * Licensed to the Apache Software Foundation (ASF) under one or more
+  * contributor license agreements.  See the NOTICE file distributed with
+  * this work for additional information regarding copyright ownership.
+  * The ASF 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.gemstone.gemfire.internal.statistics;
+ 
+ import static com.gemstone.gemfire.distributed.ConfigurationProperties.*;
+ import static org.junit.Assert.*;
+ import static org.junit.Assume.*;
+ 
+ import java.io.File;
+ import java.lang.reflect.Method;
+ import java.util.Arrays;
+ import java.util.List;
+ import java.util.Properties;
+ import java.util.concurrent.atomic.AtomicBoolean;
+ import java.util.concurrent.atomic.AtomicInteger;
+ 
+ import org.apache.logging.log4j.Logger;
+ import org.junit.After;
+ import org.junit.Assert;
+ import org.junit.Before;
+ import org.junit.Rule;
+ import org.junit.Test;
+ import org.junit.experimental.categories.Category;
+ import org.junit.rules.TemporaryFolder;
+ import org.junit.rules.TestName;
+ 
+ import com.gemstone.gemfire.Statistics;
+ import com.gemstone.gemfire.StatisticsType;
+ import com.gemstone.gemfire.distributed.DistributedSystem;
+ import com.gemstone.gemfire.distributed.internal.InternalDistributedSystem;
+ import com.gemstone.gemfire.internal.GemFireVersion;
+ import com.gemstone.gemfire.internal.PureJavaMode;
+ import com.gemstone.gemfire.internal.SocketCreator;
+ import com.gemstone.gemfire.internal.cache.control.HeapMemoryMonitor;
+ import com.gemstone.gemfire.internal.logging.LogService;
++import com.gemstone.gemfire.internal.net.SocketCreator;
++import com.gemstone.gemfire.internal.statistics.SampleCollector;
++import com.gemstone.gemfire.internal.statistics.StatArchiveHandler;
++import com.gemstone.gemfire.internal.statistics.StatArchiveHandlerConfig;
+ import com.gemstone.gemfire.internal.statistics.GemFireStatSampler.LocalStatListenerImpl;
+ import com.gemstone.gemfire.internal.statistics.platform.OsStatisticsFactory;
+ import com.gemstone.gemfire.internal.statistics.platform.ProcessStats;
+ import com.gemstone.gemfire.internal.stats50.VMStats50;
+ import com.gemstone.gemfire.internal.util.StopWatch;
+ import com.gemstone.gemfire.test.junit.categories.IntegrationTest;
+ 
+ /**
+  * Integration tests for {@link GemFireStatSampler}.
+  *
+  * @since GemFire 7.0
+  */
+ @Category(IntegrationTest.class)
+ public class GemFireStatSamplerIntegrationTest extends StatSamplerTestCase {
+   
+   private static final Logger logger = LogService.getLogger();
+   
+   private static final int STAT_SAMPLE_RATE = 1000;
+ 
+   private DistributedSystem system;
+   private File testDir;
+ 
+   @Rule
+   public TemporaryFolder temporaryFolder = new TemporaryFolder();
+ 
+   @Rule
+   public TestName testName = new TestName();
 -  
++
+   @Before
+   public void setUp() throws Exception {
+     this.testDir = this.temporaryFolder.getRoot();
+     assertTrue(this.testDir.exists());
+   }
+ 
+   /**
+    * Removes the loner DistributedSystem at the end of each test.
+    */
+   @After
+   public void tearDown() throws Exception {
+     System.clearProperty(GemFireStatSampler.TEST_FILE_SIZE_LIMIT_IN_KB_PROPERTY);
+     disconnect();
+   }
+ 
+   /**
+    * Tests the majority of getters and the basic functionality of the sampler.
+    * 
+    * This test is skipped when running on Windows 7 because ProcessStats is not created
for this OS. See #45395.
+    */
+   @Test
+   public void testBasics() throws Exception {
+     final String osName = System.getProperty("os.name", "unknown");
+     assumeFalse(osName.equals("Windows 7"));
+ 
+     connect(createGemFireProperties());
+ 
+     GemFireStatSampler statSampler = getGemFireStatSampler();
+     assertTrue(statSampler.waitForInitialization(5000));
+ 
+     assertEquals(0, statSampler.getArchiveFileSizeLimit());
+     assertEquals(0, statSampler.getArchiveDiskSpaceLimit());
+     assertEquals(STAT_SAMPLE_RATE, statSampler.getSampleRate());
+     assertEquals(true, statSampler.isSamplingEnabled());
+ 
+     int statsCount = statSampler.getStatisticsManager().getStatisticsCount();
+ 
+     assertEquals(statsCount, statSampler.getStatisticsModCount());
+     assertEquals(statsCount, statSampler.getStatisticsManager().getStatisticsCount());
+     assertEquals(statsCount, statSampler.getStatistics().length);
+ 
+     Assert.assertEquals(getStatisticsManager().getId(), statSampler.getSystemId());
+     assertTrue(statSampler.getSystemStartTime() < System.currentTimeMillis());
+     Assert.assertEquals(SocketCreator.getHostName(SocketCreator.getLocalHost()),
+                  statSampler.getSystemDirectoryPath());
+ 
+     AllStatistics allStats = new AllStatistics(statSampler);
+ 
+     VMStatsContract vmStats = statSampler.getVMStats();
+     assertNotNull(vmStats);
+     assertTrue(vmStats instanceof VMStats50);
+     /* NOTE: VMStats50 is not an instance of Statistics but instead its
+      * instance contains 3 instances of Statistics:
+      * 1) vmStats
+      * 2) heapMemStats
+      * 3) nonHeapMemStats
+      */
+ 
+     Method getProcessStats = getGemFireStatSampler().getClass().getMethod("getProcessStats");
+     assertNotNull(getProcessStats);
+ 
+     ProcessStats processStats = statSampler.getProcessStats();
+     if (osName.equals("SunOS")) {
+       assertNotNull(processStats);
+       assertTrue(PureJavaMode.osStatsAreAvailable());
+       assertTrue(allStats.containsStatisticsType("SolarisProcessStats"));
+       assertTrue(allStats.containsStatisticsType("SolarisSystemStats"));
+     } else if (osName.startsWith("Windows")) {
+       // fails on Windows 7: 45395 "ProcessStats are not created on Windows 7"
+       assertNotNull("ProcessStats were not created on " + osName, processStats);
+       assertTrue(PureJavaMode.osStatsAreAvailable());
+       assertTrue(allStats.containsStatisticsType("WindowsProcessStats"));
+       assertTrue(allStats.containsStatisticsType("WindowsSystemStats"));
+     } else if (osName.startsWith("Linux")) {
+       assertNotNull(processStats);
+       assertTrue(PureJavaMode.osStatsAreAvailable());
+       assertTrue(allStats.containsStatisticsType("LinuxProcessStats"));
+       assertTrue(allStats.containsStatisticsType("LinuxSystemStats"));
+     } else if (osName.equals("Mac OS X")) {
+       assertNull(processStats);
+       assertFalse(PureJavaMode.osStatsAreAvailable());
+       assertFalse(allStats.containsStatisticsType("OSXProcessStats"));
+       assertFalse(allStats.containsStatisticsType("OSXSystemStats"));
+     } else {
+       assertNull(processStats);
+     }
+ 
+     String productDesc = statSampler.getProductDescription();
+     assertTrue(productDesc.contains(GemFireVersion.getGemFireVersion()));
+     assertTrue(productDesc.contains(GemFireVersion.getBuildId()));
+     assertTrue(productDesc.contains(GemFireVersion.getSourceDate()));
+   }
+ 
+   /**
+    * Tests that the configured archive file is created and exists.
+    */
+   @Test
+   public void testArchiveFileExists() throws Exception {
+     final String dir = this.testDir.getAbsolutePath();
+     final String archiveFileName = dir + File.separator + this.testName.getMethodName()
+ ".gfs";
+     
+     final File archiveFile1 = new File(dir + File.separator + this.testName.getMethodName()
+ ".gfs");
+     
+     Properties props = createGemFireProperties();
+     props.setProperty(STATISTIC_ARCHIVE_FILE, archiveFileName);
+     connect(props);
+ 
+     GemFireStatSampler statSampler = getGemFireStatSampler();
+     assertTrue(statSampler.waitForInitialization(5000));
+ 
+     final File archiveFile = statSampler.getArchiveFileName();
+     assertNotNull(archiveFile);
+     assertEquals(archiveFile1, archiveFile);
+ 
+     waitForFileToExist(archiveFile, 5000, 10);
+     
+     assertTrue("File name incorrect: archiveFile.getName()=" + archiveFile.getName() +
+         " archiveFile.getAbsolutePath()=" + archiveFile.getAbsolutePath() +
+         " getCanonicalPath()" + archiveFile.getCanonicalPath(),
+         archiveFileName.contains(archiveFile.getName()));
+   }
+ 
+   /**
+    * Tests the statistics sample rate within an acceptable margin of error.
+    */
+   @Test
+   public void testSampleRate() throws Exception {
+     connect(createGemFireProperties());
+ 
+     GemFireStatSampler statSampler = getGemFireStatSampler();
+     assertTrue(statSampler.waitForInitialization(5000));
+ 
+     assertEquals(STAT_SAMPLE_RATE, statSampler.getSampleRate());
+ 
+     assertTrue(getStatisticsManager().getStatListModCount() > 0);
+ 
+     List<Statistics> statistics = getStatisticsManager().getStatsList();
+     assertNotNull(statistics);
+     assertTrue(statistics.size() > 0);
+ 
+     StatisticsType statSamplerType = getStatisticsManager().findType("StatSampler");
+     Statistics[] statsArray = getStatisticsManager().findStatisticsByType(statSamplerType);
+     assertEquals(1, statsArray.length);
+ 
+     final Statistics statSamplerStats = statsArray[0];
+     final int initialSampleCount = statSamplerStats.getInt("sampleCount");
+     final int expectedSampleCount = initialSampleCount + 2;
+ 
+     waitForExpectedStatValue(statSamplerStats, "sampleCount", expectedSampleCount, 5000,
10);
+   }
+ 
+   /**
+    * Adds a LocalStatListener for an individual stat. Validates that it
+    * receives notifications. Removes the listener and validates that it
+    * was in fact removed and no longer receives notifications.
+    */
+   @Test
+   public void testLocalStatListener() throws Exception {
+     connect(createGemFireProperties());
+ 
+     GemFireStatSampler statSampler = getGemFireStatSampler();
+     assertTrue(statSampler.waitForInitialization(5000));
+ 
+     Method getLocalListeners = getGemFireStatSampler().getClass().getMethod("getLocalListeners");
+     assertNotNull(getLocalListeners);
+ 
+     Method addLocalStatListener = getGemFireStatSampler().getClass().getMethod("addLocalStatListener",
LocalStatListener.class, Statistics.class, String.class);
+     assertNotNull(addLocalStatListener);
+ 
+     Method removeLocalStatListener = getGemFireStatSampler().getClass().getMethod("removeLocalStatListener",
LocalStatListener.class);
+     assertNotNull(removeLocalStatListener);
+ 
+     // validate that there are no listeners
+     assertTrue(statSampler.getLocalListeners().isEmpty());
+ 
+     // add a listener for sampleCount stat in StatSampler statistics
+     StatisticsType statSamplerType = getStatisticsManager().findType("StatSampler");
+     Statistics[] statsArray = getStatisticsManager().findStatisticsByType(statSamplerType);
+     assertEquals(1, statsArray.length);
+ 
+     final Statistics statSamplerStats = statsArray[0];
+     final String statName = "sampleCount";
+     final AtomicInteger sampleCountValue = new AtomicInteger(0);
+     final AtomicInteger sampleCountChanged = new AtomicInteger(0);
+ 
+     LocalStatListener listener = new LocalStatListener() {
+       public void statValueChanged(double value) {
+         sampleCountValue.set((int)value);
+         sampleCountChanged.incrementAndGet();
+       }
+     };
+ 
+     statSampler.addLocalStatListener(listener, statSamplerStats, statName);
+     assertTrue(statSampler.getLocalListeners().size() == 1);
+ 
+     // there's a level of indirection here and some protected member fields
+     LocalStatListenerImpl lsli = (LocalStatListenerImpl)
+         statSampler.getLocalListeners().iterator().next();
+     assertEquals("sampleCount", lsli.stat.getName());
+ 
+     // wait for the listener to update 4 times
+     final int expectedChanges = 4;
+     boolean done = false;
+     try {
+       for (StopWatch time = new StopWatch(true); !done && time.elapsedTimeMillis()
< 5000; done = (sampleCountChanged.get() >= expectedChanges)) {
+         Thread.sleep(10);
+       }
+     } catch (InterruptedException e) {
+       Thread.currentThread().interrupt();
+     }
+     assertTrue("Waiting for sampleCountChanged >= " + expectedChanges, done);
+ 
+     // validate that the listener fired and updated the value
+     assertTrue(sampleCountValue.get() > 0);
+     assertTrue(sampleCountChanged.get() >= expectedChanges);
+ 
+     // remove the listener
+     statSampler.removeLocalStatListener(listener);
+     final int expectedSampleCountValue = sampleCountValue.get();
+     final int expectedSampleCountChanged = sampleCountChanged.get();
+ 
+     // validate that there are no listeners now
+     assertTrue(statSampler.getLocalListeners().isEmpty());
+ 
+     // wait for 2 stat samples to occur
+     waitForStatSample(statSamplerStats, expectedSampleCountValue, 5000, 10);
+ 
+     // validate that the listener did not fire
+     assertEquals(expectedSampleCountValue, sampleCountValue.get());
+     assertEquals(expectedSampleCountChanged, sampleCountChanged.get());
+   }
+ 
+   /**
+    * Invokes stop() and then validates that the sampler did in fact stop.
+    */
+   @Test
+   public void testStop() throws Exception {
+     connect(createGemFireProperties());
+ 
+     GemFireStatSampler statSampler = getGemFireStatSampler();
+     assertTrue(statSampler.waitForInitialization(5000));
+ 
+     // validate the stat sampler is running
+     StatisticsType statSamplerType = getStatisticsManager().findType("StatSampler");
+     Statistics[] statsArray = getStatisticsManager().findStatisticsByType(statSamplerType);
+     assertEquals(1, statsArray.length);
+ 
+     final Statistics statSamplerStats = statsArray[0];
+     final int initialSampleCount = statSamplerStats.getInt("sampleCount");
+     final int expectedSampleCount = initialSampleCount + 2;
+ 
+     waitForStatSample(statSamplerStats, expectedSampleCount, 20000, 10);
+ 
+     // stop the stat sampler
+     statSampler.stop();
+ 
+     // validate the stat sampler has stopped
+     final int stoppedSampleCount = statSamplerStats.getInt("sampleCount");
+ 
+     // the following should timeout rather than complete
+     assertStatValueDoesNotChange(statSamplerStats, "sampleCount", stoppedSampleCount, 5000,
10);
+ 
+     assertEquals(stoppedSampleCount, statSamplerStats.getInt("sampleCount"));
+   }
+ 
+   /**
+    * Verifies that archive rolling works correctly when archive-file-size-limit
+    * is specified.
+    */
+   @Test
+   public void testArchiveRolling() throws Exception {
+     final String dirName = this.testDir.getAbsolutePath() + File.separator + this.testName;
+     new File(dirName).mkdirs();
+     final String archiveFileName = dirName + File.separator + this.testName + ".gfs";
+ 
+     final File archiveFile = new File(archiveFileName);
+     final File archiveFile1 = new File(dirName + File.separator + this.testName + "-01-01.gfs");
+     final File archiveFile2 = new File(dirName + File.separator + this.testName + "-01-02.gfs");
+     final File archiveFile3 = new File(dirName + File.separator + this.testName + "-01-03.gfs");
+ 
+     // set the system property to use KB instead of MB for file size
+     System.setProperty(HostStatSampler.TEST_FILE_SIZE_LIMIT_IN_KB_PROPERTY, "true");
+     Properties props = createGemFireProperties();
+     props.setProperty(ARCHIVE_FILE_SIZE_LIMIT, "1");
+     props.setProperty(ARCHIVE_DISK_SPACE_LIMIT, "0");
+     props.setProperty(STATISTIC_ARCHIVE_FILE, archiveFileName);
+     connect(props);
+ 
+     assertTrue(getGemFireStatSampler().waitForInitialization(5000));
+ 
+     boolean done = false;
+     try {
+       for (StopWatch time = new StopWatch(true); !done && time.elapsedTimeMillis()
< 4000; done = (getSampleCollector() != null && getSampleCollector().getStatArchiveHandler()
!= null)) {
+         Thread.sleep(10);
+       }
+     } catch (InterruptedException e) {
+       Thread.currentThread().interrupt();
+     }
+     assertTrue("Waiting for getSampleCollector().getStatArchiveHandler() to not be null",
done);  
+ 
+     StatArchiveHandler statArchiveHandler = getSampleCollector().getStatArchiveHandler();
+     StatArchiveHandlerConfig config = statArchiveHandler.getStatArchiveHandlerConfig();
+     assertEquals(1 * 1024, config.getArchiveFileSizeLimit());
+     
+     waitForFileToExist(archiveFile, 4000, 10);
+     waitForFileToExist(archiveFile1, 4000, 10);
+     waitForFileToExist(archiveFile2, 4000, 10);
+     waitForFileToExist(archiveFile3, 4000, 10);
+   }
+ 
+   /**
+    * Verifies that archive removal works correctly when archive-disk-space-limit
+    * is specified.
+    */
+   @Test
+   public void testArchiveRemoval() throws Exception {
+     final String dirName = this.testDir.getAbsolutePath();// + File.separator + this.testName;
+     new File(dirName).mkdirs();
+     final String archiveFileName = dirName + File.separator + this.testName + ".gfs";
+ 
+     final File archiveFile = new File(archiveFileName);
+     final File archiveFile1 = new File(dirName + File.separator + this.testName + "-01-01.gfs");
+     final File archiveFile2 = new File(dirName + File.separator + this.testName + "-01-02.gfs");
+     final File archiveFile3 = new File(dirName + File.separator + this.testName + "-01-03.gfs");
+     final File archiveFile4 = new File(dirName + File.separator + this.testName + "-01-04.gfs");
+ 
+     final int sampleRate = 1000;
+     
+     // set the system property to use KB instead of MB for file size
+     System.setProperty(HostStatSampler.TEST_FILE_SIZE_LIMIT_IN_KB_PROPERTY, "true");
+     Properties props = createGemFireProperties();
+     props.setProperty(STATISTIC_ARCHIVE_FILE, archiveFileName);
+     props.setProperty(ARCHIVE_FILE_SIZE_LIMIT, "1");
+     props.setProperty(ARCHIVE_DISK_SPACE_LIMIT, "12");
+     props.setProperty(STATISTIC_SAMPLE_RATE, String.valueOf(sampleRate));
+     connect(props);
+ 
+     assertTrue(getGemFireStatSampler().waitForInitialization(5000));
+ 
+     boolean exists1 = false;
+     boolean exists2 = false;
+     boolean exists3 = false;
+     boolean exists4 = false;
+     boolean exists = false;
+     boolean done = false;
+     try {
+       for (StopWatch time = new StopWatch(true); !done && time.elapsedTimeMillis()
< 10*sampleRate;) {
+         exists1 = exists1 || archiveFile1.exists();
+         exists2 = exists2 || archiveFile2.exists();
+         exists3 = exists3 || archiveFile3.exists();
+         exists4 = exists4 || archiveFile4.exists();
+         exists = exists || archiveFile.exists();
+         done = exists1 && exists2 && exists3 && exists4 &&
exists;      
+         if (!done) {
+           Thread.sleep(10);
+         }
+       }
+     } catch (InterruptedException e) {
+       Thread.currentThread().interrupt();
+     }
+     assertTrue("Waiting for archive files to exist:" 
+         + " exists1=" + exists1
+         + " exists2=" + exists2
+         + " exists3=" + exists3
+         + " exists4=" + exists4
+         + " exists=" + exists, done);
+     
+     waitForFileToDelete(archiveFile1, 10*sampleRate, 10);
+   }
+ 
+   @Test
+   public void testLocalStatListenerRegistration() throws Exception {
+     connect(createGemFireProperties());
+ 
+     final GemFireStatSampler statSampler = getGemFireStatSampler();
+     statSampler.waitForInitialization(5000);
+ 
+     final AtomicBoolean flag = new AtomicBoolean(false);
+     final LocalStatListener listener = new LocalStatListener(){
+       public void statValueChanged(double value) {
+         flag.set(true);
+       }
+     };
+     
+     final String tenuredPoolName = HeapMemoryMonitor.getTenuredMemoryPoolMXBean().getName();
+     logger.info("TenuredPoolName: {}", tenuredPoolName);
+     
+     final List<Statistics> list = ((StatisticsManager)this.system).getStatsList();
+     assertFalse(list.isEmpty());
+ 
+     boolean done = false;
+     try {
+       for (StopWatch time = new StopWatch(true); !done && time.elapsedTimeMillis()
< 5000;) {
+         Thread.sleep(10);
+         int i=0;
+         synchronized (list) {
+           for (Object obj : list) {
+             ++i;
+             logger.info("List:{}:{}", i, obj);
+             if (obj instanceof StatisticsImpl) {
+               StatisticsImpl si = (StatisticsImpl)obj;
+               logger.info("stat:{}", si.getTextId());
+               if (si.getTextId().contains(tenuredPoolName)) {
+                 statSampler.addLocalStatListener(listener, si, "currentUsedMemory");
+                 done = true;
+               }
+             }
+           }
+         }
+         //done = false;
+       }
+     } catch (InterruptedException e) {
+       Thread.currentThread().interrupt();
+     }
+     assertTrue("Waiting for " + tenuredPoolName + " statistics to be added to create listener
for", done);
+     
+     assertTrue("expected at least one stat listener, found " +
+         statSampler.getLocalListeners().size(), 
+         statSampler.getLocalListeners().size() > 0);     
+     
+     long maxTenuredMemory = HeapMemoryMonitor.getTenuredMemoryPoolMXBean()
+                           .getUsage().getMax();
+ 
+     //byte[] bytes = new byte[1024 * 1024 * 10];
+     byte[] bytes = new byte[(int)(maxTenuredMemory*0.01)];
+     Arrays.fill(bytes, Byte.MAX_VALUE);
+ 
+     done = false;
+     try {
+       for (StopWatch time = new StopWatch(true); !done && time.elapsedTimeMillis()
< 5000; done = (flag.get())) {
+         Thread.sleep(10);
+       }
+     } catch (InterruptedException e) {
+       Thread.currentThread().interrupt();
+     }
+     assertTrue("Waiting for listener to set flag to true", done);
+   }
+   
+   @Override
+   protected StatisticsManager getStatisticsManager() {
+     return (InternalDistributedSystem)this.system;
+   }
+ 
+   protected OsStatisticsFactory getOsStatisticsFactory() {
+     return (InternalDistributedSystem)this.system;
+   }
+ 
+   private GemFireStatSampler getGemFireStatSampler() {
+     return ((InternalDistributedSystem)this.system).getStatSampler();
+   }
+   
+   private SampleCollector getSampleCollector() {
+     return getGemFireStatSampler().getSampleCollector();
+   }
+ 
+   private Properties createGemFireProperties() {
+     Properties props = new Properties();
+     props.setProperty(STATISTIC_SAMPLING_ENABLED, "true"); // TODO: test true/false
+     props.setProperty(ENABLE_TIME_STATISTICS, "true"); // TODO: test true/false
+     props.setProperty(STATISTIC_SAMPLE_RATE, String.valueOf(STAT_SAMPLE_RATE));
+     props.setProperty(ARCHIVE_FILE_SIZE_LIMIT, "0");
+     props.setProperty(ARCHIVE_DISK_SPACE_LIMIT, "0");
+     props.setProperty(MCAST_PORT, "0");
+     props.setProperty(LOCATORS, "");
+     return props;
+   }
+ 
+   /**
+    * Creates a fresh loner DistributedSystem for each test. Note
+    * that the DistributedSystem is the StatisticsManager/Factory/etc.
+    */
+   @SuppressWarnings("deprecation")
+   private void connect(Properties props) {
+     this.system = DistributedSystem.connect(props);
+   }
+ 
+   @SuppressWarnings("deprecation")
+   private void disconnect() {
+     if (this.system != null) {
+       this.system.disconnect();
+       this.system = null;
+     }
+   }
+ 
+ //  public static class AsyncInvoker {
+ //    public static AsyncInvocation invokeAsync(Runnable r) {
+ //      return invokeAsync(r, "run", new Object[0]);
+ //    }
+ //    public static AsyncInvocation invokeAsync(Callable c) {
+ //      return invokeAsync(c, "call", new Object[0]);
+ //    }
+ //    public static AsyncInvocation invokeAsync(
+ //        final Object o, final String methodName, final Object[] args) {
+ //      AsyncInvocation ai =
+ //        new AsyncInvocation(o, methodName, new Runnable() {
+ //          public void run() {
+ //            MethExecutorResult result = 
+ //                MethExecutor.executeObject(o, methodName, args);
+ //            if (result.exceptionOccurred()) {
+ //              throw new AsyncInvocationException(result.getException());
+ //            }
+ //            AsyncInvocation.setReturnValue(result.getResult());
+ //          }
+ //      });
+ //      ai.start();
+ //      return ai;
+ //    }
+ //    
+ //    public static class AsyncInvocationException extends RuntimeException {
+ //      private static final long serialVersionUID = -5522299018650622945L;
+ //      /**
+ //       * Creates a new <code>AsyncInvocationException</code>.
+ //       */
+ //      public AsyncInvocationException(String message) {
+ //        super(message);
+ //      }
+ //
+ //      /**
+ //       * Creates a new <code>AsyncInvocationException</code> that was
+ //       * caused by a given exception
+ //       */
+ //      public AsyncInvocationException(String message, Throwable thr) {
+ //        super(message, thr);
+ //      }
+ //
+ //      /**
+ //       * Creates a new <code>AsyncInvocationException</code> that was
+ //       * caused by a given exception
+ //       */
+ //      public AsyncInvocationException(Throwable thr) {
+ //        super(thr.getMessage(), thr);
+ //      }
+ //    }
+ //  }
+ }

http://git-wip-us.apache.org/repos/asf/incubator-geode/blob/dfbc88b2/geode-core/src/test/java/com/gemstone/gemfire/internal/statistics/SimpleStatSamplerIntegrationTest.java
----------------------------------------------------------------------
diff --cc geode-core/src/test/java/com/gemstone/gemfire/internal/statistics/SimpleStatSamplerIntegrationTest.java
index 0000000,d86b968..f3b80a7
mode 000000,100755..100755
--- a/geode-core/src/test/java/com/gemstone/gemfire/internal/statistics/SimpleStatSamplerIntegrationTest.java
+++ b/geode-core/src/test/java/com/gemstone/gemfire/internal/statistics/SimpleStatSamplerIntegrationTest.java
@@@ -1,0 -1,351 +1,351 @@@
+ /*
+  * Licensed to the Apache Software Foundation (ASF) under one or more
+  * contributor license agreements.  See the NOTICE file distributed with
+  * this work for additional information regarding copyright ownership.
+  * The ASF 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.gemstone.gemfire.internal.statistics;
+ 
+ import static org.junit.Assert.*;
+ 
+ import java.io.File;
+ import java.lang.reflect.Method;
+ import java.util.List;
+ 
+ import org.junit.After;
+ import org.junit.Assert;
+ import org.junit.Before;
+ import org.junit.Rule;
+ import org.junit.Test;
+ import org.junit.experimental.categories.Category;
+ import org.junit.rules.TemporaryFolder;
+ import org.junit.rules.TestName;
+ 
+ import com.gemstone.gemfire.CancelCriterion;
+ import com.gemstone.gemfire.Statistics;
+ import com.gemstone.gemfire.StatisticsType;
 -import com.gemstone.gemfire.internal.SocketCreator;
++import com.gemstone.gemfire.internal.net.SocketCreator;
+ import com.gemstone.gemfire.internal.stats50.VMStats50;
+ import com.gemstone.gemfire.test.junit.categories.IntegrationTest;
+ 
+ /**
+  * Integration tests for {@link SimpleStatSampler}.
+  * 
+  * @since GemFire 7.0
+  */
+ @Category(IntegrationTest.class)
+ public class SimpleStatSamplerIntegrationTest extends StatSamplerTestCase {
+ 
+   private LocalStatisticsFactory statisticsFactory;
+   private File testDir;
+ 
+   @Rule
+   public TemporaryFolder temporaryFolder = new TemporaryFolder();
+ 
+   @Rule
+   public TestName testName = new TestName();
+ 
+   @Before
+   public void setUp() throws Exception {
+     this.testDir = this.temporaryFolder.getRoot();
+     assertTrue(this.testDir.exists());
+     System.setProperty(SimpleStatSampler.ARCHIVE_FILE_NAME_PROPERTY,
+         this.testDir.getAbsolutePath() + File.separator + SimpleStatSampler.DEFAULT_ARCHIVE_FILE_NAME);
+   }
+ 
+   @After
+   public void tearDown() throws Exception {
+     System.clearProperty(SimpleStatSampler.ARCHIVE_FILE_NAME_PROPERTY);
+     System.clearProperty(SimpleStatSampler.FILE_SIZE_LIMIT_PROPERTY);
+     System.clearProperty(SimpleStatSampler.DISK_SPACE_LIMIT_PROPERTY);
+     System.clearProperty(SimpleStatSampler.SAMPLE_RATE_PROPERTY);
+     closeStatisticsFactory();
+   }
+   
+   /**
+    * Tests the majority of getters and the basic functionality of the sampler.
+    */
+   @Test
+   public void testBasics() throws Exception {
+     initStatisticsFactory();
+ 
+     SimpleStatSampler statSampler = getSimpleStatSampler();
+     assertTrue(statSampler.waitForInitialization(5000));
+     
+     assertEquals(new File(System.getProperty(SimpleStatSampler.ARCHIVE_FILE_NAME_PROPERTY)),

+                  statSampler.getArchiveFileName());
+     assertEquals(0, statSampler.getArchiveFileSizeLimit());
+     assertEquals(0, statSampler.getArchiveDiskSpaceLimit());
+     assertEquals(SimpleStatSampler.DEFAULT_SAMPLE_RATE, statSampler.getSampleRate());
+     assertEquals(true, statSampler.isSamplingEnabled());
+     
+     int statsCount = statSampler.getStatisticsManager().getStatisticsCount();
+     
+     assertEquals(statsCount, statSampler.getStatisticsModCount());
+     assertEquals(statsCount, statSampler.getStatisticsManager().getStatisticsCount());
+     assertEquals(statsCount, statSampler.getStatistics().length);
+     
+     assertTrue(statsCount > 0);
+     
+     Assert.assertEquals(getStatisticsManager().getId(), statSampler.getSystemId());
+     assertTrue(statSampler.getSystemStartTime() <= System.currentTimeMillis());
 -    Assert.assertEquals(SocketCreator.getHostName(SocketCreator.getLocalHost()),
++    assertEquals(SocketCreator.getHostName(SocketCreator.getLocalHost()),
+                  statSampler.getSystemDirectoryPath());
+ 
+     VMStatsContract vmStats = statSampler.getVMStats();
+     assertNotNull(vmStats);
+     assertTrue(vmStats instanceof VMStats50);
+     /* NOTE: VMStats50 is not an instance of Statistics but instead its
+      * instance contains 3 instances of Statistics:
+      * 1) vmStats
+      * 2) heapMemStats
+      * 3) nonHeapMemStats
+      */
+     
+     Method getProcessStats = null;
+     try {
+       getProcessStats = SimpleStatSampler.class.getMethod("getProcessStats");
+       fail("SimpleStatSampler should not have the method getProcessStats()");
+     } catch (NoSuchMethodException exected) {
+       // passed
+     }
+     assertNull(getProcessStats);
+     
+     assertEquals("Unknown product", statSampler.getProductDescription());
+   }
+ 
+   /**
+    * Tests that the configured archive file is created and exists. 
+    */
+   @Test
+   public void testArchiveFileExists() throws Exception {
+     final String dir = this.testDir.getAbsolutePath();
+     final String archiveFileName = dir + File.separator + this.testName + ".gfs";
+     final File archiveFile1 = new File(dir + File.separator + this.testName + ".gfs");
+     System.setProperty(SimpleStatSampler.ARCHIVE_FILE_NAME_PROPERTY, archiveFileName);
+     initStatisticsFactory();
+     
+     SimpleStatSampler statSampler = getSimpleStatSampler();
+     assertTrue(statSampler.waitForInitialization(5000));
+     
+     final File archiveFile = statSampler.getArchiveFileName();
+     assertNotNull(archiveFile);
+     assertEquals(archiveFile1, archiveFile);
+ 
+     waitForFileToExist(archiveFile, 5000, 10);
+     
+     assertTrue("File name incorrect: archiveFile.getName()=" + archiveFile.getName() +
+         " archiveFile.getAbsolutePath()=" + archiveFile.getAbsolutePath() +
+         " getCanonicalPath()" + archiveFile.getCanonicalPath(), 
+         archiveFileName.contains(archiveFile.getName()));
+   }
+   
+   /**
+    * Tests the statistics sample rate within an acceptable margin of error.
+    */
+   @Test
+   public void testSampleRate() throws Exception {
+     initStatisticsFactory();
+ 
+     SimpleStatSampler statSampler = getSimpleStatSampler();
+     assertTrue(statSampler.waitForInitialization(5000));
+ 
+     assertEquals(SimpleStatSampler.DEFAULT_SAMPLE_RATE, statSampler.getSampleRate());
+     
+     assertTrue(getStatisticsManager().getStatListModCount() > 0);
+     
+     List<Statistics> statistics = getStatisticsManager().getStatsList();
+     assertNotNull(statistics);
+     assertTrue(statistics.size() > 0);
+     
+     StatisticsType statSamplerType = getStatisticsManager().findType("StatSampler");
+     Statistics[] statsArray = getStatisticsManager().findStatisticsByType(statSamplerType);
+     assertEquals(1, statsArray.length);
+     
+     final Statistics statSamplerStats = statsArray[0];
+     final int initialSampleCount = statSamplerStats.getInt("sampleCount");
+     final int expectedSampleCount = initialSampleCount + 2;
+     
+     waitForStatSample(statSamplerStats, expectedSampleCount, 20000, 10);
+   }
+   
+   /**
+    * Tests lack of methods for supporting LocalStatListener.
+    */
+   @Test
+   public void testLocalStatListener() throws Exception {
+     initStatisticsFactory();
+ 
+     SimpleStatSampler statSampler = getSimpleStatSampler();
+     assertTrue(statSampler.waitForInitialization(5000));
+     
+     Method getLocalListeners = null;
+     try {
+       getLocalListeners = getSimpleStatSampler().getClass().getMethod("getLocalListeners");
+       fail("SimpleStatSampler should not have the method getLocalListeners()");
+     } catch (NoSuchMethodException exected) {
+       // passed
+     }
+     assertNull(getLocalListeners);
+ 
+     Method addLocalStatListener = null;
+     try {
+       addLocalStatListener = getSimpleStatSampler().getClass().getMethod("addLocalStatListener",
LocalStatListener.class, Statistics.class, String.class);
+       fail("SimpleStatSampler should not have the method addLocalStatListener()");
+     } catch (NoSuchMethodException exected) {
+       // passed
+     }
+     assertNull(addLocalStatListener);
+ 
+     Method removeLocalStatListener = null;
+     try {
+       removeLocalStatListener = getSimpleStatSampler().getClass().getMethod("removeLocalStatListener",
LocalStatListener.class);
+       fail("SimpleStatSampler should not have the method addLocalStatListener()");
+     } catch (NoSuchMethodException exected) {
+       // passed
+     }
+     assertNull(removeLocalStatListener);
+   }
+   
+   /**
+    * Invokes stop() and then validates that the sampler did in fact stop.
+    */
+   @Test
+   public void testStop() throws Exception {
+     initStatisticsFactory();
+ 
+     SimpleStatSampler statSampler = getSimpleStatSampler();
+     assertTrue(statSampler.waitForInitialization(5000));
+ 
+     // validate the stat sampler is running
+     StatisticsType statSamplerType = getStatisticsManager().findType("StatSampler");
+     Statistics[] statsArray = getStatisticsManager().findStatisticsByType(statSamplerType);
+     assertEquals(1, statsArray.length);
+     
+     final Statistics statSamplerStats = statsArray[0];
+     final int initialSampleCount = statSamplerStats.getInt("sampleCount");
+     final int expectedSampleCount = initialSampleCount + 2;
+     
+     waitForStatSample(statSamplerStats, expectedSampleCount, 20000, 10);
+ 
+     // stop the stat sampler
+     statSampler.stop();
+     
+     // validate the stat sampler has stopped
+     final int stoppedSampleCount = statSamplerStats.getInt("sampleCount");
+ 
+     // the following should timeout without completing
+     assertStatValueDoesNotChange(statSamplerStats, "sampleCount", stoppedSampleCount, 5000,
10);
+ 
+     assertEquals(stoppedSampleCount, statSamplerStats.getInt("sampleCount"));
+   }
+ 
+   /**
+    * Verifies that archive rolling works correctly when archive-file-size-limit
+    * is specified. This feature is broken in SimpleStatSampler.
+    */
+   @Test
+   public void testArchiveRolling() throws Exception {
+     // set the system property to use KB instead of MB for file size
+     System.setProperty(HostStatSampler.TEST_FILE_SIZE_LIMIT_IN_KB_PROPERTY, "true");
+ 
+     final String dir = this.testDir.getAbsolutePath() + File.separator + this.testName;
+     new File(dir).mkdir();
+ 
+     final String archiveFileName = dir + File.separator + this.testName + ".gfs";
+     System.setProperty(SimpleStatSampler.ARCHIVE_FILE_NAME_PROPERTY, archiveFileName);
+     System.setProperty(SimpleStatSampler.FILE_SIZE_LIMIT_PROPERTY, "1");
+     System.setProperty(SimpleStatSampler.DISK_SPACE_LIMIT_PROPERTY, "0");
+     System.setProperty(SimpleStatSampler.SAMPLE_RATE_PROPERTY, "1000");
+     initStatisticsFactory();
+ 
+     final File archiveFile1 = new File(dir + File.separator + this.testName + "-01-01.gfs");
+     final File archiveFile2 = new File(dir + File.separator + this.testName + "-01-02.gfs");
+     final File archiveFile3 = new File(dir + File.separator + this.testName + "-01-03.gfs");
+     final File archiveFile4 = new File(dir + File.separator + this.testName + "-01-04.gfs");
+ 
+     assertTrue(getSimpleStatSampler().waitForInitialization(5000));
+ 
+     assertTrue(getSimpleStatSampler().fileSizeLimitInKB());
+     assertEquals(1024, getSimpleStatSampler().getArchiveFileSizeLimit());
+ 
+     waitForFileToExist(archiveFile1, 4000, 10);
+     waitForFileToExist(archiveFile2, 4000, 10);
+     waitForFileToExist(archiveFile3, 4000, 10);
+     waitForFileToExist(archiveFile4, 4000, 10);
+   }
+ 
+   /**
+    * Verifies that archive removal works correctly when archive-disk-space-limit
+    * is specified. This feature is broken in SimpleStatSampler. 
+    */
+   @Test
+   public void testArchiveRemoval() throws Exception {
+     // set the system property to use KB instead of MB for file size
+     System.setProperty(HostStatSampler.TEST_FILE_SIZE_LIMIT_IN_KB_PROPERTY, "true");
+ 
+     final String dir = this.testDir.getAbsolutePath() + File.separator + this.testName;
+     new File(dir).mkdir();
+     
+     final String archiveFileName = dir + File.separator + this.testName + ".gfs";
+     final int sampleRate = 1000;
+     System.setProperty(SimpleStatSampler.ARCHIVE_FILE_NAME_PROPERTY, archiveFileName);
+     System.setProperty(SimpleStatSampler.FILE_SIZE_LIMIT_PROPERTY, "1");
+     System.setProperty(SimpleStatSampler.DISK_SPACE_LIMIT_PROPERTY, "12");
+     System.setProperty(SimpleStatSampler.SAMPLE_RATE_PROPERTY, String.valueOf(sampleRate));
+     initStatisticsFactory();
+ 
+     final File archiveFile1 = new File(dir + File.separator + this.testName + "-01-01.gfs");
+     final File archiveFile2 = new File(dir + File.separator + this.testName + "-01-02.gfs");
+     final File archiveFile3 = new File(dir + File.separator + this.testName + "-01-03.gfs");
+     final File archiveFile4 = new File(dir + File.separator + this.testName + "-01-04.gfs");
+     final File archiveFile5 = new File(dir + File.separator + this.testName + "-01-05.gfs");
+     
+     assertTrue(getSimpleStatSampler().waitForInitialization(5000));
+ 
+     waitForFileToExist(archiveFile1, 4*sampleRate, 10);
+     waitForFileToExist(archiveFile2, 4*sampleRate, 10);
+     waitForFileToExist(archiveFile3, 4*sampleRate, 10);
+     waitForFileToExist(archiveFile4, 4*sampleRate, 10);
+     waitForFileToExist(archiveFile5, 4*sampleRate, 10);
+     waitForFileToDelete(archiveFile1, 10*sampleRate, 10);
+   }
+ 
+   @Override
+   protected StatisticsManager getStatisticsManager() {
+     return this.statisticsFactory;
+   }
+ 
+   private SimpleStatSampler getSimpleStatSampler() {
+     return this.statisticsFactory.getStatSampler();
+   }
+   
+   private void initStatisticsFactory() {
+     CancelCriterion stopper = new CancelCriterion() {
+       public String cancelInProgress() {
+         return null;
+       }
+       public RuntimeException generateCancelledException(Throwable e) {
+         return null;
+       }
+     };
+     this.statisticsFactory = new LocalStatisticsFactory(stopper);
+   }
+   
+   private void closeStatisticsFactory() {
+     if (this.statisticsFactory != null) {
+       this.statisticsFactory.close();
+       this.statisticsFactory = null;
+     }
+   }
+ }

http://git-wip-us.apache.org/repos/asf/incubator-geode/blob/dfbc88b2/geode-core/src/test/resources/com/gemstone/gemfire/codeAnalysis/excludedClasses.txt
----------------------------------------------------------------------

http://git-wip-us.apache.org/repos/asf/incubator-geode/blob/dfbc88b2/geode-wan/src/main/java/com/gemstone/gemfire/cache/client/internal/locator/wan/LocatorDiscovery.java
----------------------------------------------------------------------
diff --cc geode-wan/src/main/java/com/gemstone/gemfire/cache/client/internal/locator/wan/LocatorDiscovery.java
index a9de5b3,0fd206e..4ff2b5e
--- a/geode-wan/src/main/java/com/gemstone/gemfire/cache/client/internal/locator/wan/LocatorDiscovery.java
+++ b/geode-wan/src/main/java/com/gemstone/gemfire/cache/client/internal/locator/wan/LocatorDiscovery.java
@@@ -60,13 -57,12 +60,13 @@@ public class LocatorDiscovery
    public static final int WAN_LOCATOR_PING_INTERVAL = Integer.getInteger(
        "WANLocator.PING_INTERVAL", 10000).intValue();
  
-   public LocatorDiscovery(WanLocatorDiscoverer discoverer, DistributionLocatorId locotor,RemoteLocatorJoinRequest
request,
+   public LocatorDiscovery(WanLocatorDiscoverer discoverer, DistributionLocatorId locator,RemoteLocatorJoinRequest
request,
        LocatorMembershipListener locatorListener) {
      this.discoverer = discoverer;
-     this.locatorId = locotor;
+     this.locatorId = locator;
      this.request = request; 
      this.locatorListener = locatorListener;
 +    this.locatorClient = new TcpClient();
    }
    
    /**

http://git-wip-us.apache.org/repos/asf/incubator-geode/blob/dfbc88b2/geode-wan/src/test/java/com/gemstone/gemfire/internal/cache/wan/WANTestBase.java
----------------------------------------------------------------------

http://git-wip-us.apache.org/repos/asf/incubator-geode/blob/dfbc88b2/geode-wan/src/test/java/com/gemstone/gemfire/management/internal/configuration/ClusterConfigurationDUnitTest.java
----------------------------------------------------------------------



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