mirror of https://github.com/OpenIdentityPlatform/OpenDJ.git

pgamba
12.02.2009 93bfdddfe14f5f805a5a3515ab50727f2e5ed787
ECL - Add attribute lastExternalChangelogCookie for initialization
1 files added
8 files modified
381 ■■■■■ changed files
opends/resource/config/config.ldif 11 ●●●●● patch | view | raw | blame | history
opends/resource/schema/00-core.ldif 2 ●●●●● patch | view | raw | blame | history
opends/src/server/org/opends/server/replication/common/ExternalChangeLogSession.java 7 ●●●●● patch | view | raw | blame | history
opends/src/server/org/opends/server/replication/common/LastCookieVirtualProvider.java 205 ●●●●● patch | view | raw | blame | history
opends/src/server/org/opends/server/replication/common/MultiDomainServerState.java 12 ●●●●● patch | view | raw | blame | history
opends/src/server/org/opends/server/replication/server/ECLServerHandler.java 8 ●●●●● patch | view | raw | blame | history
opends/src/server/org/opends/server/replication/server/ExternalChangeLogSessionImpl.java 39 ●●●●● patch | view | raw | blame | history
opends/src/server/org/opends/server/replication/server/ReplicationServerDomain.java 1 ●●●● patch | view | raw | blame | history
opends/tests/unit-tests-testng/src/server/org/opends/server/replication/common/ExternalChangeLogTest.java 96 ●●●●● patch | view | raw | blame | history
opends/resource/config/config.ldif
@@ -2439,6 +2439,17 @@
ds-cfg-filter: (&(objectClass=groupOfUniqueNames)(objectClass=ds-virtual-static-group))
ds-cfg-allow-retrieving-membership: false
dn: cn=Last External Changelog Cookie,cn=Virtual Attributes,cn=config
objectClass: ds-cfg-virtual-attribute
objectClass: ds-cfg-user-defined-virtual-attribute
objectClass: top
cn: Last External Changelog Cookie
ds-cfg-attribute-type: lastExternalChangelogCookie
ds-cfg-enabled: true
ds-cfg-java-class: org.opends.server.replication.common.LastCookieVirtualProvider
ds-cfg-value: 1
ds-cfg-filter: (objectClass=ds-root-dse)
dn: cn=Work Queue,cn=config
objectClass: top
objectClass: ds-cfg-work-queue
opends/resource/schema/00-core.ldif
@@ -154,6 +154,8 @@
  X-ORIGIN 'RFC 2256' )
attributeTypes: ( 2.5.4.50 NAME 'uniqueMember' EQUALITY uniqueMemberMatch
  SYNTAX 1.3.6.1.4.1.1466.115.121.1.34 X-ORIGIN 'RFC 4519' )
attributeTypes: ( 1.3.6.1.4.1.26027.1.1.585 NAME 'lastExternalChangelogCookie'
  SYNTAX 1.3.6.1.4.1.1466.115.121.1.40 X-ORIGIN 'OpenDS Directory Server' )
attributeTypes: ( 2.5.4.51 NAME 'houseIdentifier' EQUALITY caseIgnoreMatch
  SUBSTR caseIgnoreSubstringsMatch SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{32768}
  X-ORIGIN 'RFC 4519' )
opends/src/server/org/opends/server/replication/common/ExternalChangeLogSession.java
@@ -49,4 +49,11 @@
   */
  public abstract void close()
  throws DirectoryException;
  /**
   * Returns the last (newest) cookie value.
   * @return the last cookie value.
   */
  public abstract MultiDomainServerState getLastCookie();
}
opends/src/server/org/opends/server/replication/common/LastCookieVirtualProvider.java
New file
@@ -0,0 +1,205 @@
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at
 * trunk/opends/resource/legal-notices/OpenDS.LICENSE
 * or https://OpenDS.dev.java.net/OpenDS.LICENSE.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at
 * trunk/opends/resource/legal-notices/OpenDS.LICENSE.  If applicable,
 * add the following below this CDDL HEADER, with the fields enclosed
 * by brackets "[]" replaced with your own identifying information:
 *      Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 *
 *
 *      Copyright 2009 Sun Microsystems, Inc.
 */
package org.opends.server.replication.common;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.opends.messages.Message;
import org.opends.server.admin.server.ConfigurationChangeListener;
import org.opends.server.admin.std.server.UserDefinedVirtualAttributeCfg;
import org.opends.server.api.VirtualAttributeProvider;
import org.opends.server.config.ConfigException;
import org.opends.server.core.DirectoryServer;
import org.opends.server.core.SearchOperation;
import org.opends.server.replication.server.ExternalChangeLogSessionImpl;
import org.opends.server.types.AttributeValue;
import org.opends.server.types.AttributeValues;
import org.opends.server.types.ByteString;
import org.opends.server.types.ConfigChangeResult;
import org.opends.server.types.Entry;
import org.opends.server.types.InitializationException;
import org.opends.server.types.ResultCode;
import org.opends.server.types.VirtualAttributeRule;
import org.opends.server.workflowelement.externalchangelog.ECLWorkflowElement;
/**
 * This class implements a virtual attribute provider in the root-dse entry
 * that contains the last (newest) cookie (cross domain state)
 * available in the server.
 */
public class LastCookieVirtualProvider
   extends VirtualAttributeProvider<UserDefinedVirtualAttributeCfg>
   implements ConfigurationChangeListener<UserDefinedVirtualAttributeCfg>
{
  // The current configuration for this virtual attribute provider.
  private UserDefinedVirtualAttributeCfg currentConfig;
  /**
   * Creates a new instance of this member virtual attribute provider.
   */
  public LastCookieVirtualProvider()
  {
    super();
    // All initialization should be performed in the
    // initializeVirtualAttributeProvider method.
  }
  /**
   * {@inheritDoc}
   */
  @Override()
  public void initializeVirtualAttributeProvider(
                            UserDefinedVirtualAttributeCfg configuration)
         throws ConfigException, InitializationException
  {
    this.currentConfig = configuration;
    configuration.addUserDefinedChangeListener(this);
  }
  /**
   * {@inheritDoc}
   */
  @Override()
  public void finalizeVirtualAttributeProvider()
  {
    currentConfig.removeUserDefinedChangeListener(this);
  }
  /**
   * {@inheritDoc}
   */
  @Override()
  public boolean isMultiValued()
  {
    if (currentConfig == null)
    {
      return true;
    }
    else
    {
      return (currentConfig.getValue().size() > 1);
    }
  }
  /**
   * {@inheritDoc}
   */
  @Override()
  public Set<AttributeValue> getValues(Entry entry,VirtualAttributeRule rule)
  {
    Set<AttributeValue> values = new HashSet<AttributeValue>();
    try
    {
      ECLWorkflowElement eclwe = (ECLWorkflowElement)
      DirectoryServer.getWorkflowElement("EXTERNAL CHANGE LOG");
      if (eclwe!=null)
      {
        ExternalChangeLogSessionImpl eclsession =
          new ExternalChangeLogSessionImpl(eclwe.getReplicationServer());
        String lastCookie = eclsession.getLastCookie().toString();
        AttributeValue value =
          AttributeValues.create(
              ByteString.valueOf(lastCookie),
              ByteString.valueOf(lastCookie));
        values=Collections.singleton(value);
      }
      return values;
    }
    catch(Exception e)
    {
      return values;
    }
  }
  /**
   * {@inheritDoc}
   */
  @Override()
  public boolean isSearchable(VirtualAttributeRule rule,
                              SearchOperation searchOperation)
  {
    // We will not allow searches based only on user-defined virtual attributes.
    return false;
  }
  /**
   * {@inheritDoc}
   */
  @Override()
  public void processSearch(VirtualAttributeRule rule,
                            SearchOperation searchOperation)
  {
    searchOperation.setResultCode(ResultCode.UNWILLING_TO_PERFORM);
    return;
  }
  /**
   * {@inheritDoc}
   */
  public boolean isConfigurationChangeAcceptable(
                      UserDefinedVirtualAttributeCfg configuration,
                      List<Message> unacceptableReasons)
  {
    // The new configuration should always be acceptable.
    return true;
  }
  /**
   * {@inheritDoc}
   */
  public ConfigChangeResult applyConfigurationChange(
                                 UserDefinedVirtualAttributeCfg configuration)
  {
    // Just accept the new configuration as-is.
    currentConfig = configuration;
    return new ConfigChangeResult(ResultCode.SUCCESS, false);
  }
}
opends/src/server/org/opends/server/replication/common/MultiDomainServerState.java
@@ -107,6 +107,18 @@
  }
  /**
   * Update the ServerState of the provided serviceId with the
   * provided server state.
   *
   * @param serviceId    The provided serviceId.
   * @param serverState  The provided serverState.
   */
  public void update(String serviceId, ServerState serverState)
  {
    list.put(serviceId,serverState);
  }
  /**
   * Create an object from a string representation.
   * @param mdss The provided string representation of the state.
   */
opends/src/server/org/opends/server/replication/server/ECLServerHandler.java
@@ -1308,6 +1308,7 @@
        }
      }
    }
    if (debugEnabled())
    TRACER.debugInfo("In " + replicationServerDomain.getReplicationServer().
        getMonitorInstanceName()
        + "," + this + " getGeneralizedOldestChange() " +
@@ -1352,6 +1353,7 @@
      {
        // non blocking
        UpdateMsg newMsg = clDomCtxts[idomain].mh.getnextMessage(false);
        if (debugEnabled())
        TRACER.debugInfo(this +
            " getNextElligibleMessage got the next changelogmsg "
            + " from " + clDomCtxts[idomain].mh.getServiceId()
@@ -1443,6 +1445,8 @@
      String s = "=> ";
      ReplicationServer rs = replicationServerDomain.getReplicationServer();
      if (debugEnabled())
      TRACER.debugInfo("ECLSH.computeNewCrossDomainElligibleCN() "
          + " periodic starts rs="+rs);
@@ -1470,6 +1474,7 @@
        }
      }
      if (debugEnabled())
      TRACER.debugInfo("SH.computeNewCrossDomainElligibleCN() periodic " +
          " ends with " +
          " the following domainElligibleCN for each domain :" + s +
@@ -1507,6 +1512,7 @@
      // then the server is considered down and not considered for eligibility
      if (TimeThread.getTime()-storedCN.getTime()>2000)
      {
        if (debugEnabled())
        TRACER.debugInfo(
            "For RSD." + rsd.getBaseDn() + " Server " + sid
            + " is not considered for eligibility ... potentially down");
@@ -1518,6 +1524,8 @@
        elligibleCN = storedCN;
      }
    }
    if (debugEnabled())
    TRACER.debugInfo(
        "For RSD." + rsd.getBaseDn() + " ElligibleCN()=" + elligibleCN);
    return elligibleCN;
opends/src/server/org/opends/server/replication/server/ExternalChangeLogSessionImpl.java
@@ -26,10 +26,14 @@
 */
package org.opends.server.replication.server;
import java.util.Iterator;
import org.opends.server.replication.common.ExternalChangeLogSession;
import org.opends.server.replication.common.MultiDomainServerState;
import org.opends.server.replication.protocol.ECLUpdateMsg;
import org.opends.server.replication.protocol.StartECLSessionMsg;
import org.opends.server.types.DirectoryException;
import org.opends.server.util.ServerConstants;
/**
 * This interface defines a session used to search the external changelog
@@ -45,6 +49,17 @@
  /**
   * Create a new external changelog session.
   * @param rs The replication server to which we will request the log.
   * @throws DirectoryException When an error occurs.
   */
  public ExternalChangeLogSessionImpl(ReplicationServer rs)
  throws DirectoryException
  {
    this.rs = rs;
  }
  /**
   * Create a new external changelog session.
   * @param rs The replication server to which we will request the log.
   * @param startECLSessionMsg The start session message containing the
   *        details of the search request on the ECL.
   * @throws DirectoryException When an error occurs.
@@ -82,4 +97,28 @@
  {
    handler.getDomain().stopServer(handler);
  }
  /**
   * Returns the last (newest) cookie value.
   * @return the last cookie value.
   */
  public MultiDomainServerState getLastCookie()
  {
    MultiDomainServerState result = new MultiDomainServerState();
    // Initialize start state for  all running domains with empty state
    Iterator<ReplicationServerDomain> rsdk = this.rs.getCacheIterator();
    if (rsdk != null)
    {
      while (rsdk.hasNext())
      {
        // process a domain
        ReplicationServerDomain rsd = rsdk.next();
        if (rsd.getBaseDn().compareToIgnoreCase(
            ServerConstants.DN_EXTERNAL_CHANGELOG_ROOT)==0)
          continue;
        result.update(rsd.getBaseDn(), rsd.getCLElligibleState());
      }
    }
    return result;
  }
}
opends/src/server/org/opends/server/replication/server/ReplicationServerDomain.java
@@ -2928,7 +2928,6 @@
  public ServerState getStartState()
  {
    ServerState domainStartState = new ServerState();
    Iterator<Short> it = this.getDbServerState().iterator();
    for (DbHandler dbHandler : sourceDbHandlers.values())
    {
      domainStartState.update(dbHandler.getFirstChange());
opends/tests/unit-tests-testng/src/server/org/opends/server/replication/common/ExternalChangeLogTest.java
@@ -94,6 +94,7 @@
import org.opends.server.replication.protocol.ModifyMsg;
import org.opends.server.replication.protocol.ReplicationMsg;
import org.opends.server.replication.protocol.UpdateMsg;
import org.opends.server.replication.server.ExternalChangeLogSessionImpl;
import org.opends.server.replication.server.ReplServerFakeConfiguration;
import org.opends.server.replication.server.ReplicationServer;
import org.opends.server.replication.server.ReplicationServerDomain;
@@ -171,31 +172,6 @@
    replicationServerPort = socket.getLocalPort();
    socket.close();
    /*
    // Add the replication server to the configuration
    TestCaseUtils.dsconfig(
        "create-replication-server",
        "--provider-name", "Multimaster Synchronization",
        "--set", "replication-db-directory:" + "externalChangeLogTestConfigureDb",
        "--set", "replication-port:" + replicationServerPort,
        "--set", "replication-server-id:71");
    // Retrieves the replicationServer object
    DirectoryServer.getSynchronizationProviders();
    for (SynchronizationProvider<?> provider : DirectoryServer
        .getSynchronizationProviders()) {
      if (provider instanceof MultimasterReplication) {
        MultimasterReplication mmp = (MultimasterReplication) provider;
        ReplicationServerListener list = mmp.getReplicationServerListener();
        if (list != null) {
          replicationServer = list.getReplicationServer();
          if (replicationServer != null) {
            break;
          }
        }
      }
    }
    */
    ReplServerFakeConfiguration conf1 =
      new ReplServerFakeConfiguration(
          replicationServerPort, "ExternalChangeLogTestDb",
@@ -643,9 +619,9 @@
      s2test2.publish(delMsg);
      debugInfo(tn, " publishes " + delMsg.getChangeNumber());
      cn = new ChangeNumber(time++, ts++, s2test2.getServerId());
      ChangeNumber cn3 = new ChangeNumber(time++, ts++, s2test2.getServerId());
      delMsg =
        new DeleteMsg("uid="+tn+"3," + TEST_ROOT_DN_STRING2, cn, tn+"uuid3");
        new DeleteMsg("uid="+tn+"3," + TEST_ROOT_DN_STRING2, cn3, tn+"uuid3");
      s2test2.publish(delMsg);
      debugInfo(tn, " publishes " + delMsg.getChangeNumber());
@@ -764,9 +740,9 @@
      
      debugInfo(tn, "STEP 3 - from cookie" + cookie);
      cn = new ChangeNumber(time++, ts++, s1test.getServerId());
      ChangeNumber cn5 = new ChangeNumber(time++, ts++, s1test.getServerId());
      delMsg =
        new DeleteMsg("uid="+tn+"5," + TEST_ROOT_DN_STRING, cn, tn+"uuid5");
        new DeleteMsg("uid="+tn+"5," + TEST_ROOT_DN_STRING, cn5, tn+"uuid5");
      s1test.publish(delMsg);
      sleep(500);
@@ -876,7 +852,7 @@
          1000, true);
      sleep(500);
      // Test startState of the domain for the first cookie feature
      // Test startState ("first cookie") of the ECL
      time = TimeThread.getTime();
      cn = new ChangeNumber(time++, ts++, s1test2.getServerId());
      delMsg =
@@ -888,14 +864,14 @@
        new DeleteMsg("uid="+tn+"7," + TEST_ROOT_DN_STRING, cn, tn+"uuid7");
      s2test.publish(delMsg);
      cn = new ChangeNumber(time++, ts++, s1test2.getServerId());
      ChangeNumber cn8 = new ChangeNumber(time++, ts++, s1test2.getServerId());
      delMsg =
        new DeleteMsg("uid="+tn+"8," + TEST_ROOT_DN_STRING2, cn, tn+"uuid8");
        new DeleteMsg("uid="+tn+"8," + TEST_ROOT_DN_STRING2, cn8, tn+"uuid8");
      s1test2.publish(delMsg);
      cn = new ChangeNumber(time++, ts++, s2test.getServerId());
      ChangeNumber cn9 = new ChangeNumber(time++, ts++, s2test.getServerId());
      delMsg =
        new DeleteMsg("uid="+tn+"9," + TEST_ROOT_DN_STRING, cn, tn+"uuid9");
        new DeleteMsg("uid="+tn+"9," + TEST_ROOT_DN_STRING, cn9, tn+"uuid9");
      s2test.publish(delMsg);
      sleep(500);
@@ -911,6 +887,58 @@
      assertTrue(startState.getMaxChangeNumber(s2test2.getServerId()).getSeqnum()==2);
      assertTrue(startState.getMaxChangeNumber(s1test2.getServerId()).getSeqnum()==6);
      
      // Test lastState ("last cookie") of the ECL
      // create an ECL sessionm and request lastCookie
      ExternalChangeLogSessionImpl session =
        new ExternalChangeLogSessionImpl(replicationServer);
      MultiDomainServerState expectedLastCookie =
        new MultiDomainServerState("o=test:"+cn5+" "+cn9+";o=test2:"+cn3+" "+cn8+";");
      MultiDomainServerState lastCookie = session.getLastCookie();
      assertTrue(expectedLastCookie.equalsTo(lastCookie),
          " ExpectedLastCookie=" + expectedLastCookie +
          " lastCookie=" + lastCookie);
      //
      LinkedHashSet<String> lastcookieattribute = new LinkedHashSet<String>();
      lastcookieattribute.add("lastExternalChangelogCookie");
      searchOp = connection.processSearch(
          ByteString.valueOf(""),
          SearchScope.BASE_OBJECT,
          DereferencePolicy.NEVER_DEREF_ALIASES,
          0, // Size limit
          0, // Time limit
          false, // Types only
          LDAPFilter.decode("(objectclass=*)"),
          lastcookieattribute,
          null,
          null);
      assertEquals(searchOp.getResultCode(), ResultCode.SUCCESS,
          searchOp.getErrorMessage().toString()
          + searchOp.getAdditionalLogMessage());
      cookie = "";
      entries = searchOp.getSearchEntries();
      if (entries != null)
      {
        for (SearchResultEntry resultEntry : entries)
        {
          debugInfo(tn, "Result entry=\n" + resultEntry.toLDIFString());
          ldifWriter.writeEntry(resultEntry);
          try
          {
            List<Attribute> l = resultEntry.getAttribute("lastexternalchangelogcookie");
            cookie = l.get(0).iterator().next().toString();
          }
          catch(NullPointerException e)
          {}
        }
      }
      assertTrue(expectedLastCookie.equalsTo(new MultiDomainServerState(cookie)),
          " Expected last cookie attribute value:" + expectedLastCookie +
          " Read from server: " + cookie + " are equal :");
      s1test.stop();
      s1test2.stop();
      s2test.stop();