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package com.sun.enterprise.management.monitor;
import javax.management.ObjectName;
import java.util.Collection;
import java.util.Collections;
import java.util.Set;
import java.util.HashSet;
import java.util.Map;
import java.util.HashMap;
import java.util.Arrays;
import java.io.IOException;
import javax.management.MBeanInfo;
import javax.management.MBeanOperationInfo;
import javax.management.j2ee.statistics.Statistic;
import javax.management.j2ee.statistics.Stats;
import javax.management.j2ee.statistics.CountStatistic;
import javax.management.j2ee.statistics.BoundaryStatistic;
import javax.management.j2ee.statistics.RangeStatistic;
import javax.management.j2ee.statistics.BoundedRangeStatistic;
import javax.management.j2ee.statistics.TimeStatistic;
import com.sun.appserv.management.util.j2ee.J2EEUtil;
import com.sun.appserv.management.util.misc.CollectionUtil;
import com.sun.appserv.management.util.misc.ExceptionUtil;
import com.sun.appserv.management.util.misc.GSetUtil;
import com.sun.appserv.management.util.misc.StringUtil;
import com.sun.appserv.management.util.stringifier.ArrayStringifier;
import com.sun.appserv.management.util.jmx.JMXUtil;
import com.sun.appserv.management.j2ee.statistics.*;
import com.sun.appserv.management.base.Util;
import com.sun.enterprise.management.support.ComSunAppservTest;
import com.sun.enterprise.management.support.OldMonitorTypes;
/**
Unit test for the com.sun.appserv monitoring MBeans relied
upon by AMX.
*/
public final class ComSunAppservMonitorTest extends ComSunAppservTest
{
public
ComSunAppservMonitorTest()
{
}
private interface MonitorIntf
{
public String[] getStatisticNames() throws Exception;
public Statistic[] getStatistics() throws Exception;
};
private final class MonitorImpl implements MonitorIntf
{
final ObjectName mObjectName;
public
MonitorImpl(
final ObjectName objectName )
{
mObjectName = objectName;
}
public String[]
getStatisticNames()
throws Exception
{
final String[] statisticNames =
(String[])getMBeanServerConnection().invoke( mObjectName, "getStatisticNames", null, null );
return statisticNames;
}
public Statistic[]
getStatistics()
throws Exception
{
final Statistic[] statistics =
(Statistic[])getMBeanServerConnection().invoke( mObjectName, "getStatistics", null, null );
return statistics;
}
};
private MonitorIntf
getMonitorIntf( final ObjectName objectName )
{
final MonitorIntf intf = new MonitorImpl( objectName );
boolean basicsOK = true;
if ( ! hasStatisticSupport( objectName ) )
{
warning( "MBean " + StringUtil.quote( objectName ) +
" doesn't have getStatisticNames() and getStatistics() methods." );
return null;
}
try
{
final String[] statisticNames = intf.getStatisticNames();
if ( statisticNames == null )
{
warning( "MBean " + StringUtil.quote( objectName ) +
" returned null from getStatisticNames()" );
basicsOK = false;
}
if ( statisticNames.length == 0 )
{
warning( "MBean " + StringUtil.quote( objectName ) +
" returned an empty String[] from getStatisticNames()" );
basicsOK = false;
}
}
catch( Exception e )
{
final Throwable rootCause = ExceptionUtil.getRootCause( e );
warning( "MBean " + StringUtil.quote( objectName ) +
" threw an exception from getStatisticNames(): " + rootCause );
basicsOK = false;
}
if ( basicsOK )
{
try
{
final Statistic[] statistics = intf.getStatistics();
if ( statistics == null )
{
warning( "MBean " + StringUtil.quote( objectName ) +
" returned null from getStatistics()" );
basicsOK = false;
}
if ( statistics != null && statistics.length == 0 )
{
warning( "MBean " + StringUtil.quote( objectName ) +
" returned an empty Statistic[] from getStatistics()" );
basicsOK = false;
}
}
catch( Exception e )
{
final Throwable rootCause = ExceptionUtil.getRootCause( e );
warning( "MBean " + StringUtil.quote( objectName ) +
" threw an exception from getStatistics(): " + rootCause );
basicsOK = false;
}
}
return basicsOK ? intf : null;
}
private boolean
checkMonitor(final ObjectName objectName )
throws Exception
{
boolean worksOK = true;
final MonitorIntf intf = getMonitorIntf( objectName );
if ( intf != null )
{
final String[] statisticNames = intf.getStatisticNames();
final Set<String> statisticNamesSet = GSetUtil.newStringSet( statisticNames );
// get all names as defined by Statistics
final Statistic[] statistics = intf.getStatistics();
final Set<String> statisticNamesFromStatisticsSet = new HashSet<String>();
for( final Statistic s : statistics )
{
statisticNamesFromStatisticsSet.add( s.getName() );
}
if ( ! statisticNamesSet.equals( statisticNamesFromStatisticsSet ) )
{
final String[] statisticNamesFromStatistics =
GSetUtil.toStringArray( statisticNamesFromStatisticsSet );
Arrays.sort( statisticNames );
Arrays.sort( statisticNamesFromStatistics );
printVerbose( "WARNING: MBean " + StringUtil.quote( objectName ) +
" returns Statistic names from getStatisticNames() " +
"that disagree with the names actually " +
"found in Statistics from getStatistics(): " +
"getStatisticNames() = {" + ArrayStringifier.stringify( statisticNames, "," ) +
"}, getStatistics() = {" +
ArrayStringifier.stringify( statisticNamesFromStatistics, "," ) + "}" );
worksOK = false;
}
}
return( worksOK );
}
/**
private boolean
shouldBeTested( final ObjectName objectName )
throws Exception
{
final MBeanInfo mbeanInfo = getMBeanServerConnection().getMBeanInfo( objectName );
boolean shouldTest = false;
final MBeanOperationInfo[] candidates = mbeanInfo.getOperations();
if ( JMXUtil.findOperations( candidates, "getStatisticNames" ).length != 0 &&
JMXUtil.findOperations( candidates, "getStatistics" ).length != 0 )
{
shouldTest = true;
}
return shouldTest;
}
*/
/**
types to be tested as in "category=monitor,type=xxx". We can't just test all
category=monitor, or even check that getStatistics() and getStatisticNames()
are present, as many such MBeans don't work at all.
Types taken from com.sun.enterprise.management.support.initMap().
*/
private static final Set<String> COM_SUN_APPSERV_MONITOR_TYPES =
GSetUtil.newUnmodifiableStringSet(
"jvm",
"ejb",
"standalone-ejb-module",
"bean-pool",
"bean-cache",
"bean-method",
"servlet",
"virtual-server",
"webmodule-virtual-server",
"http-listener",
"transaction-service",
"thread-pool",
"connection-manager",
"jdbc-connection-pool",
"connector-connection-pool",
"file-cache",
"keep-alive",
"dns",
"connection-queue",
"webservice-endpoint" );
private boolean
shouldBeTested( final ObjectName objectName )
throws Exception
{
final String type = objectName.getKeyProperty( "type" );
return COM_SUN_APPSERV_MONITOR_TYPES.contains( type );
}
private boolean
hasStatisticSupport( final ObjectName objectName )
{
boolean hasSupport = false;
try
{
final MBeanInfo mbeanInfo = getMBeanServerConnection().getMBeanInfo( objectName );
boolean shouldTest = false;
final MBeanOperationInfo[] candidates = mbeanInfo.getOperations();
if ( JMXUtil.findOperations( candidates, "getStatisticNames" ).length != 0 &&
JMXUtil.findOperations( candidates, "getStatistics" ).length != 0 )
{
hasSupport = true;
}
}
catch( Exception e )
{
final Throwable rootCause = ExceptionUtil.getRootCause( e );
warning( "hasStatisticSupport: got exception: " + rootCause );
}
return hasSupport;
}
public void
testAllMonitor()
throws Exception
{
try
{
Class.forName( "com.sun.enterprise.admin.monitor.stats.CountStatisticImpl" );
}
catch( ClassNotFoundException e )
{
failure( "ComSunAppservMonitorTest.testAllMonitor: " +
"CLASSPATH is missing Statistic classes, skipping tests. " +
"Use 'maven run-tests' instead of 'ant run-tests'" );
return;
}
final Map<String,ObjectName> m = getAllComSunAppservMonitor();
final Collection<ObjectName> objectNames = m.values();
final Set<ObjectName> defective = new HashSet<ObjectName>();
int testedCount = 0;
for( final ObjectName objectName : objectNames )
{
if ( ! shouldBeTested( objectName ) )
{
continue;
}
++testedCount;
if ( ! checkMonitor( objectName ) )
{
defective.add( objectName );
}
}
printVerbose( "ComSunAppservMonitorTest.testAllMonitor: checked " +
testedCount + " com.sun.appserv:category=monitor MBeans for basic functionality, " +
defective.size() + " failures." );
if ( defective.size() != 0 )
{
// slim down the ObjectName for better readability
final String[] names = new String[ defective.size() ];
int i = 0;
for( final ObjectName objectName : defective )
{
names[ i ] = objectName.getCanonicalKeyPropertyListString();
++i;
}
Arrays.sort( names );
final boolean verbose = getVerbose();
warning( "The following " + defective.size() +
" com.sun.appserv MBeans don't work correctly, so " +
"subsequent tests (eg J2EETest) may fail:\n" +
ArrayStringifier.stringify( names, "\n") +
(verbose ? "" : "\n(set amxtest.verbose=true for details)") );
}
}
}
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