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* Licensed to the Apache Software Foundation (ASF) under one
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* 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
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* KIND, either express or implied. See the License for the
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package org.apache.directory.server.kerberos.shared.replay;
import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import javax.security.auth.kerberos.KerberosPrincipal;
import org.apache.directory.server.kerberos.shared.messages.value.KerberosTime;
import org.apache.directory.server.kerberos.shared.messages.value.types.PrincipalNameType;
import org.apache.directory.server.kerberos.shared.replay.InMemoryReplayCache.ReplayCacheEntry;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
/**
* Test the InMemory replay cache
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
* @version $Rev: 542147 $, $Date: 2007-05-28 10:14:21 +0200 (Mon, 28 May 2007) $
*/
public class InMemoryReplayCacheTest
{
/**
* Test that the cache is working well. We will create a new entry
* every 20 ms, with 10 different serverPrincipals.
*
* After this period of time, we should only have 25 entries in the cache
*/
@Test
public void testCacheSetting() throws Exception
{
int delay = 500;
long clockSkew = 100;
// Set a delay of 500 ms and a clock skew of 100 ms
InMemoryReplayCache cache = new InMemoryReplayCache( clockSkew, delay );
// Loop for 2 seconds, then check that the cache is clean
int i = 0;
int nbClient = 20;
int nbServer = 10;
// Inject 100 entries, one every 20 ms
while ( i < 100 )
{
KerberosPrincipal serverPrincipal = new KerberosPrincipal( "server" + i%nbServer + "@APACHE.ORG", PrincipalNameType.KRB_NT_PRINCIPAL.getOrdinal() );
KerberosPrincipal clientPrincipal = new KerberosPrincipal( "client" + i%nbClient + "@APACHE.ORG", PrincipalNameType.KRB_NT_PRINCIPAL.getOrdinal() );
cache.save( serverPrincipal, clientPrincipal, new KerberosTime( System.currentTimeMillis() ), 0 );
Thread.sleep( 20 );
i++;
}
Map<KerberosPrincipal, List<ReplayCacheEntry>> map = cache.getCache();
// We should have 20 List of entries, as we have injected 20 different
// clientPrincipals
assertEquals( nbClient, map.size() );
int nbEntries = 0;
// Loop into the cache to see how many entries we have
Collection<List<ReplayCacheEntry>> entryList = map.values();
for ( List<ReplayCacheEntry> entries:entryList )
{
if ( ( entries == null ) || ( entries.size() == 0 ) )
{
continue;
}
Iterator<ReplayCacheEntry> iterator = entries.iterator();
while ( iterator.hasNext() )
{
iterator.next();
nbEntries ++;
}
}
// We should have some
assertNotNull( nbEntries );
// Wait another delay, so that the cleaning thread will be kicked off
Thread.sleep( delay + 50 );
nbEntries = 0;
for ( List<ReplayCacheEntry> entries:entryList )
{
if ( ( entries == null ) || ( entries.size() == 0 ) )
{
continue;
}
Iterator<ReplayCacheEntry> iterator = entries.iterator();
while ( iterator.hasNext() )
{
iterator.next();
nbEntries ++;
}
}
// We should not have anymore entry in the cache
assertEquals( 0, nbEntries );
}
}