/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License, Version 1.0 only
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* (the "License"). You may not use this file except in compliance
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* with the License.
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*
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* You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
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* or http://forgerock.org/license/CDDLv1.0.html.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at legal-notices/CDDLv1_0.txt.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information:
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* Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*
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*
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* Copyright 2006-2009 Sun Microsystems, Inc.
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* Portions Copyright 2013-2014 ForgeRock AS.
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*/
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package org.opends.server.replication;
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import java.net.SocketTimeoutException;
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import java.util.List;
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import java.util.NoSuchElementException;
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import org.assertj.core.api.Assertions;
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import org.forgerock.i18n.LocalizableMessage;
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import org.forgerock.i18n.slf4j.LocalizedLogger;
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import org.forgerock.opendj.ldap.ResultCode;
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import org.opends.server.TestCaseUtils;
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import org.opends.server.core.AddOperation;
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import org.opends.server.core.DeleteOperation;
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import org.opends.server.core.DirectoryServer;
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import org.opends.server.core.ModifyOperation;
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import org.opends.server.protocols.internal.InternalSearchOperation;
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import org.opends.server.replication.protocol.AddMsg;
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import org.opends.server.replication.protocol.ReplicationMsg;
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import org.opends.server.replication.server.ReplServerFakeConfiguration;
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import org.opends.server.replication.server.ReplicationServer;
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import org.opends.server.replication.service.ReplicationBroker;
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import org.opends.server.types.DN;
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import org.opends.server.types.Entry;
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import org.opends.server.types.Modification;
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import org.opends.server.types.Operation;
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import org.opends.server.types.OperationType;
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import org.testng.annotations.AfterClass;
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import org.testng.annotations.BeforeClass;
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import org.testng.annotations.Test;
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import static org.forgerock.opendj.ldap.SearchScope.*;
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import static org.opends.server.TestCaseUtils.*;
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import static org.opends.server.protocols.internal.Requests.*;
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import static org.testng.Assert.*;
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/**
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* Test the constructors, encoders and decoders of the Replication AckMsg,
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* ModifyMsg, ModifyDnMsg, AddMsg and Delete MSG
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*/
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@SuppressWarnings("javadoc")
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public class ProtocolWindowTest extends ReplicationTestCase
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{
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private static final LocalizedLogger logger = LocalizedLogger.getLoggerForThisClass();
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private static final int WINDOW_SIZE = 10;
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private static final int REPLICATION_QUEUE_SIZE = 100;
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/**
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* A "person" entry
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*/
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private Entry personEntry;
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private int replServerPort;
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/** the base DN used for this test */
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private DN baseDN;
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private ReplicationServer replicationServer;
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/**
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* Test the window mechanism by :
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* - creating a ReplicationServer service client using the ReplicationBroker class.
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* - set a small window size.
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* - perform more than the window size operations.
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* - check that the ReplicationServer has not sent more than window size operations.
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* - receive all messages from the ReplicationBroker, check that
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* the client receives the correct number of operations.
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*/
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@Test(enabled=true, groups="slow")
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public void saturateQueueAndRestart() throws Exception
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{
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logger.error(LocalizableMessage.raw("Starting Replication ProtocolWindowTest : saturateAndRestart"));
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// suffix synchronized
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String testName = "protocolWindowTest";
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String synchroServerLdif =
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"dn: " + "cn=" + testName + ", cn=domains, " + SYNCHRO_PLUGIN_DN + "\n"
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+ "objectClass: top\n"
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+ "objectClass: ds-cfg-replication-domain\n"
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+ "cn: " + testName + "\n"
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+ "ds-cfg-base-dn: " + TEST_ROOT_DN_STRING + "\n"
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+ "ds-cfg-replication-server: localhost:" + replServerPort + "\n"
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+ "ds-cfg-server-id: 1\n"
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+ "ds-cfg-receive-status: true\n"
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+ "ds-cfg-window-size: " + WINDOW_SIZE;
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Entry repDomainEntry = TestCaseUtils.entryFromLdifString(synchroServerLdif);
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// Configure replication domain
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DirectoryServer.getConfigHandler().addEntry(repDomainEntry, null);
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assertNotNull(DirectoryServer.getConfigEntry(repDomainEntry.getName()),
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"Unable to add the synchronized server");
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configEntriesToCleanup.add(repDomainEntry.getName());
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ReplicationBroker broker = openReplicationSession(baseDN, 12,
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WINDOW_SIZE, replServerPort, 1000);
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try {
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/* Test that replicationServer monitor and synchro plugin monitor informations
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* publish the correct window size.
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* This allows both to check the monitoring code and to test that
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* configuration is working.
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*/
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Thread.sleep(2000);
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assertEquals(checkWindows(WINDOW_SIZE), 3);
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assertEquals(checkChangelogQueueSize(REPLICATION_QUEUE_SIZE), 2);
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// Create an Entry (add operation) that will be later used in the test.
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Entry tmp = personEntry.duplicate(false);
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AddOperation addOp = connection.processAdd(tmp);
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assertEquals(addOp.getResultCode(), ResultCode.SUCCESS);
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assertTrue(DirectoryServer.entryExists(personEntry.getName()),
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"The Add Entry operation failed");
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// Check if the client has received the MSG
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ReplicationMsg msg = broker.receive();
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Assertions.assertThat(msg).isInstanceOf(AddMsg.class);
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AddMsg addMsg = (AddMsg) msg;
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Operation receivedOp = addMsg.createOperation(connection);
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assertTrue(OperationType.ADD.compareTo(receivedOp.getOperationType()) == 0,
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"The received Replication message is not an ADD msg");
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assertEquals(addMsg.getDN(), personEntry.getName(),
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"The received ADD Replication message is not for the excepted DN");
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// send (2 * window + replicationServer queue) modify operations
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// so that window + replicationServer queue get stuck in the replicationServer queue
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int count = WINDOW_SIZE * 2 + REPLICATION_QUEUE_SIZE;
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processModify(count);
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// let some time to the message to reach the replicationServer client
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Thread.sleep(2000);
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// check that the replicationServer only sent WINDOW_SIZE messages
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searchUpdateSent();
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int rcvCount=0;
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try
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{
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while (true)
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{
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broker.receive();
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broker.updateWindowAfterReplay();
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rcvCount++;
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}
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}
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catch (SocketTimeoutException e)
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{}
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/*
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* check that we received all updates
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*/
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assertEquals(rcvCount, count);
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}
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finally {
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broker.stop();
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// Clean domain
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DN dn = repDomainEntry.getName();
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try
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{
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DeleteOperation op = connection.processDelete(dn);
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if (op.getResultCode() != ResultCode.SUCCESS
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&& op.getResultCode() != ResultCode.NO_SUCH_OBJECT)
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{
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logger.error(LocalizableMessage.raw("saturateQueueAndRestart: error cleaning config entry: " + dn));
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}
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} catch (NoSuchElementException e)
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{
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logger.error(LocalizableMessage.raw("saturateQueueAndRestart: error cleaning config entry: " + dn));
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}
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clearChangelogDB(replicationServer);
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}
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}
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private int searchNbMonitorEntries(String filterString) throws Exception
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{
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InternalSearchOperation op = connection.processSearch(newSearchRequest("cn=monitor", WHOLE_SUBTREE, filterString));
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assertEquals(op.getResultCode(), ResultCode.SUCCESS);
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return op.getEntriesSent();
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}
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/**
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* Check that the ReplicationServer queue size has correctly been configured
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* by reading the monitoring information.
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*/
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private int checkChangelogQueueSize(int changelog_queue_size) throws Exception
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{
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return searchNbMonitorEntries("(max-waiting-changes=" + changelog_queue_size + ")");
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}
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/**
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* Check that the window configuration has been successful
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* by reading the monitoring information and checking
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* that we do have 2 entries with the configured max-rcv-window.
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*/
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private int checkWindows(int windowSize) throws Exception
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{
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return searchNbMonitorEntries("(max-rcv-window=" + windowSize + ")");
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}
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/**
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* Search that the replicationServer has stopped sending changes after
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* having reach the limit of the window size.
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* And that the number of waiting changes is accurate.
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* Do this by checking the monitoring information.
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*/
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private void searchUpdateSent() throws Exception
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{
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assertEquals(searchNbMonitorEntries("(sent-updates=" + WINDOW_SIZE + ")"), 1);
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final int nb = searchNbMonitorEntries(
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"(missing-changes=" + (REPLICATION_QUEUE_SIZE + WINDOW_SIZE) + ")");
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assertEquals(nb, 1);
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}
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/**
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* Set up the environment for performing the tests in this Class.
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* Replication
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*
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* @throws Exception
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* If the environment could not be set up.
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*/
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@Override
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@BeforeClass
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public void setUp() throws Exception
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{
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// This test suite depends on having the schema available.
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super.setUp();
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baseDN = DN.valueOf(TEST_ROOT_DN_STRING);
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replServerPort = TestCaseUtils.findFreePort();
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// configure the replication Server.
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replicationServer = new ReplicationServer(new ReplServerFakeConfiguration(
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replServerPort, "protocolWindowTestDb", replicationDbImplementation,
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0, 1, REPLICATION_QUEUE_SIZE, WINDOW_SIZE, null));
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String personLdif = "dn: uid=user.windowTest," + TEST_ROOT_DN_STRING + "\n"
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+ "objectClass: top\n" + "objectClass: person\n"
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+ "objectClass: organizationalPerson\n"
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+ "objectClass: inetOrgPerson\n" + "uid: user.1\n"
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+ "homePhone: 951-245-7634\n"
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+ "description: This is the description for Aaccf Amar.\n" + "st: NC\n"
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+ "mobile: 027-085-0537\n"
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+ "postalAddress: Aaccf Amar$17984 Thirteenth Street"
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+ "$Rockford, NC 85762\n" + "mail: user.1@example.com\n"
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+ "cn: Aaccf Amar\n" + "l: Rockford\n" + "pager: 508-763-4246\n"
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+ "street: 17984 Thirteenth Street\n"
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+ "telephoneNumber: 216-564-6748\n" + "employeeNumber: 1\n"
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+ "sn: Amar\n" + "givenName: Aaccf\n" + "postalCode: 85762\n"
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+ "userPassword: password\n" + "initials: AA\n";
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personEntry = TestCaseUtils.entryFromLdifString(personLdif);
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}
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private void processModify(int count)
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{
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while (count>0)
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{
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count--;
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// must generate the mods for every operation because they are modified
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// by processModify.
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List<Modification> mods = generatemods("telephonenumber", "01 02 45");
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ModifyOperation modOp =
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connection.processModify(personEntry.getName(), mods);
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assertEquals(modOp.getResultCode(), ResultCode.SUCCESS);
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}
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}
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/**
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* Clean up the environment.
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*
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* @throws Exception If the environment could not be set up.
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*/
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@AfterClass
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@Override
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public void classCleanUp() throws Exception
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{
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callParanoiaCheck = false;
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super.classCleanUp();
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replicationServer.remove();
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paranoiaCheck();
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}
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}
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