Package org.apache.jmeter.protocol.ldap.sampler

Source Code of org.apache.jmeter.protocol.ldap.sampler.LDAPExtSampler

/*
* 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 org.apache.jmeter.protocol.ldap.sampler;

import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.Map;

import javax.naming.NamingEnumeration;
import javax.naming.NamingException;
import javax.naming.directory.Attribute;
import javax.naming.directory.Attributes;
import javax.naming.directory.BasicAttribute;
import javax.naming.directory.BasicAttributes;
import javax.naming.directory.DirContext;
import javax.naming.directory.InitialDirContext;
import javax.naming.directory.ModificationItem;
import javax.naming.directory.SearchResult;

import org.apache.commons.lang.StringEscapeUtils;
import org.apache.jmeter.config.Argument;
import org.apache.jmeter.config.Arguments;
import org.apache.jmeter.engine.event.LoopIterationEvent;
import org.apache.jmeter.protocol.ldap.config.gui.LDAPArgument;
import org.apache.jmeter.protocol.ldap.config.gui.LDAPArguments;
import org.apache.jmeter.samplers.AbstractSampler;
import org.apache.jmeter.samplers.Entry;
import org.apache.jmeter.samplers.SampleResult;
import org.apache.jmeter.testelement.TestListener;
import org.apache.jmeter.testelement.property.PropertyIterator;
import org.apache.jmeter.testelement.property.StringProperty;
import org.apache.jmeter.testelement.property.TestElementProperty;
import org.apache.jmeter.util.JMeterUtils;
import org.apache.jorphan.logging.LoggingManager;
import org.apache.jorphan.util.XMLBuffer;
import org.apache.log.Logger;

/*******************************************************************************
* Ldap Sampler class is main class for the LDAP test. This will control all the
* test available in the LDAP Test.
******************************************************************************/

public class LDAPExtSampler extends AbstractSampler implements TestListener {

  private static final Logger log = LoggingManager.getLoggerForClass();

  /*
   * The following strings are used in the test plan, and the values must not be changed
   * if test plans are to be upwardly compatible.
   */
  public final static String SERVERNAME = "servername"; // $NON-NLS-1$

  public final static String PORT = "port"; // $NON-NLS-1$
 
  public final static String SECURE = "secure"; // $NON-NLS-1$

  public final static String ROOTDN = "rootdn"; // $NON-NLS-1$

  public final static String TEST = "test"; // $NON-NLS-1$

  // These are values for the TEST attribute above
  public final static String ADD = "add"; // $NON-NLS-1$

  public final static String MODIFY = "modify"; // $NON-NLS-1$

  public final static String BIND = "bind"; // $NON-NLS-1$

  public final static String UNBIND = "unbind"; // $NON-NLS-1$

  public final static String DELETE = "delete"; // $NON-NLS-1$

  public final static String SEARCH = "search"; // $NON-NLS-1$
    // end of TEST values
 
  public final static String SEARCHBASE = "search"; // $NON-NLS-1$

  public final static String SEARCHFILTER = "searchfilter"; // $NON-NLS-1$

  public final static String ARGUMENTS = "arguments"; // $NON-NLS-1$

  public final static String LDAPARGUMENTS = "ldaparguments"; // $NON-NLS-1$

  public final static String BASE_ENTRY_DN = "base_entry_dn"; // $NON-NLS-1$

  public final static String SCOPE = "scope"; // $NON-NLS-1$

  public final static String COUNTLIM = "countlimit"; // $NON-NLS-1$

  public final static String TIMELIM = "timelimit"; // $NON-NLS-1$

  public final static String ATTRIBS = "attributes"; // $NON-NLS-1$

  public final static String RETOBJ = "return_object"; // $NON-NLS-1$

  public final static String DEREF = "deref_aliases"; // $NON-NLS-1$

  public final static String USERDN = "user_dn"; // $NON-NLS-1$

  public final static String USERPW = "user_pw"; // $NON-NLS-1$

  public final static String SBIND = "sbind"; // $NON-NLS-1$

  public final static String COMPARE = "compare"; // $NON-NLS-1$
 
  public final static String CONNTO = "connection_timeout"; // $NON-NLS-1$

  public final static String COMPAREDN = "comparedn"; // $NON-NLS-1$

  public final static String COMPAREFILT = "comparefilt"; // $NON-NLS-1$

  public final static String PARSEFLAG = "parseflag"; // $NON-NLS-1$

  public final static String RENAME = "rename"; // $NON-NLS-1$

  public final static String MODDDN = "modddn"; // $NON-NLS-1$

  public final static String NEWDN = "newdn"; // $NON-NLS-1$

    private static final String SEMI_COLON = ";"; // $NON-NLS-1$


    private static Hashtable ldapConnections = new Hashtable();

  private static Hashtable ldapContexts = new Hashtable();

  private static final int MAX_SORTED_RESULTS =
    JMeterUtils.getPropDefault("ldapsampler.max_sorted_results", 1000); // $NON-NLS-1$
 
  /***************************************************************************
   * !ToDo (Constructor description)
   **************************************************************************/
  public LDAPExtSampler() {
  }

    public void setConnTimeOut(String connto) {
        setProperty(new StringProperty(CONNTO, connto));
    }

    public String getConnTimeOut() {
        return getPropertyAsString(CONNTO);
    }
   
    public void setSecure(String sec) {
        setProperty(new StringProperty(SECURE, sec));
    }

    public boolean isSecure() {
        return getPropertyAsBoolean(SECURE);
    }


    public boolean isParseFlag() {
        return getPropertyAsBoolean(PARSEFLAG);
    }

    public void setParseFlag(String parseFlag) {
        setProperty(new StringProperty(PARSEFLAG, parseFlag));
    }

  /***************************************************************************
   * Gets the username attribute of the LDAP object
   *
   * @return The username
   **************************************************************************/

  public String getUserDN() {
    return getPropertyAsString(USERDN);
  }

  /***************************************************************************
   * Sets the username attribute of the LDAP object
   *
   * @return The username
   **************************************************************************/

  public void setUserDN(String newUserDN) {
    setProperty(new StringProperty(USERDN, newUserDN));
  }

  /***************************************************************************
   * Gets the password attribute of the LDAP object
   *
   * @return The password
   **************************************************************************/

  public String getUserPw() {
    return getPropertyAsString(USERPW);
  }

  /***************************************************************************
   * Sets the password attribute of the LDAP object
   *
   **************************************************************************/

  public void setUserPw(String newUserPw) {
    setProperty(new StringProperty(USERPW, newUserPw));
  }

  /***************************************************************************
   * Sets the Servername attribute of the ServerConfig object
   *
   * @param servername
   *            The new servername value
   **************************************************************************/
  public void setServername(String servername) {
    setProperty(new StringProperty(SERVERNAME, servername));
  }

  /***************************************************************************
   * Sets the Port attribute of the ServerConfig object
   *
   * @param port
   *            The new Port value
   **************************************************************************/
  public void setPort(String port) {
    setProperty(new StringProperty(PORT, port));
  }

  /***************************************************************************
   * Gets the servername attribute of the LDAPSampler object
   *
   * @return The Servername value
   **************************************************************************/

  public String getServername() {
    return getPropertyAsString(SERVERNAME);
  }

  /***************************************************************************
   * Gets the Port attribute of the LDAPSampler object
   *
   * @return The Port value
   **************************************************************************/

  public String getPort() {
    return getPropertyAsString(PORT);
  }

  /***************************************************************************
   * Sets the Rootdn attribute of the LDAPSampler object
   *
   * @param rootdn
   *            The new rootdn value
   **************************************************************************/
  public void setRootdn(String newRootdn) {
    this.setProperty(ROOTDN, newRootdn);
  }

  /***************************************************************************
   * Gets the Rootdn attribute of the LDAPSampler object
   *
   * @return The Rootdn value
   **************************************************************************/
  public String getRootdn() {
    return getPropertyAsString(ROOTDN);
  }

  /***************************************************************************
   * Gets the search scope attribute of the LDAPSampler object
   *
   * @return The scope value
   **************************************************************************/
  public String getScope() {
    return getPropertyAsString(SCOPE);
  }

  public int getScopeAsInt() {
    return getPropertyAsInt(SCOPE);
  }

  /***************************************************************************
   * Sets the search scope attribute of the LDAPSampler object
   *
   * @param rootdn
   *            The new scope value
   **************************************************************************/
  public void setScope(String newScope) {
    this.setProperty(SCOPE, newScope);
  }

  /***************************************************************************
   * Gets the size limit attribute of the LDAPSampler object
   *
   * @return The size limit
   **************************************************************************/
  public String getCountlim() {
    return getPropertyAsString(COUNTLIM);
  }

  public long getCountlimAsLong() {
    return getPropertyAsLong(COUNTLIM);
  }

  /***************************************************************************
   * Sets the size limit attribute of the LDAPSampler object
   *
   * @param rootdn
   *            The new scope value
   **************************************************************************/
  public void setCountlim(String newClim) {
    this.setProperty(COUNTLIM, newClim);
  }

  /***************************************************************************
   * Gets the time limit attribute of the LDAPSampler object
   *
   * @return The time limit
   **************************************************************************/
  public String getTimelim() {
    return getPropertyAsString(TIMELIM);
  }

  public int getTimelimAsInt() {
    return getPropertyAsInt(TIMELIM);
  }

  /***************************************************************************
   * Sets the time limit attribute of the LDAPSampler object
   *
   * @param rootdn
   *            The new scope value
   **************************************************************************/
  public void setTimelim(String newTlim) {
    this.setProperty(TIMELIM, newTlim);
  }

  /***************************************************************************
   * Gets the return objects attribute of the LDAPSampler object
   *
   * @return if the object(s) are to be returned
   **************************************************************************/
  public boolean isRetobj() {
    return getPropertyAsBoolean(RETOBJ);
  }

  /***************************************************************************
   * Sets the return objects attribute of the LDAPSampler object
   *
   **************************************************************************/
  public void setRetobj(String newRobj) {
    this.setProperty(RETOBJ, newRobj);
  }

  /***************************************************************************
   * Gets the deref attribute of the LDAPSampler object
   *
   * @return if dereferencing is required
   **************************************************************************/
  public boolean isDeref() {
    return getPropertyAsBoolean(DEREF);
  }

  /***************************************************************************
   * Sets the search scope attribute of the LDAPSampler object
   *
   * @param rootdn
   *            The new scope value
   **************************************************************************/
  public void setDeref(String newDref) {
    this.setProperty(DEREF, newDref);
  }

  /***************************************************************************
   * Sets the Test attribute of the LdapConfig object
   *
   * @param Test
   *            The new test value(Add,Modify,Delete and search)
   **************************************************************************/
  public void setTest(String newTest) {
    this.setProperty(TEST, newTest);
  }

  /***************************************************************************
   * Gets the test attribute of the LDAPSampler object
   *
   * @return The test value (Add,Modify,Delete and search)
   **************************************************************************/
  public String getTest() {
    return getPropertyAsString(TEST);
  }

  /***************************************************************************
   * Sets the Test attribute of the LdapConfig object
   *
   * @param Test
   *            The new test value(Add,Modify,Delete and search)
   **************************************************************************/
  public void setAttrs(String newAttrs) {
    this.setProperty(ATTRIBS, newAttrs);
  }

  /***************************************************************************
   * Gets the attributes of the LDAPSampler object
   *
   * @return The attributes
   **************************************************************************/
  public String getAttrs() {
    return getPropertyAsString(ATTRIBS);
  }

  /***************************************************************************
   * Sets the Base Entry DN attribute of the LDAPSampler object
   *
   * @param value
   *            The new Base entry DN value
   **************************************************************************/
  public void setBaseEntryDN(String newbaseentry) {
    setProperty(new StringProperty(BASE_ENTRY_DN, newbaseentry));
  }

  /***************************************************************************
   * Gets the BaseEntryDN attribute of the LDAPSampler object
   *
   * @return The Base entry DN value
   **************************************************************************/
  public String getBaseEntryDN() {
    return getPropertyAsString(BASE_ENTRY_DN);
  }

  /***************************************************************************
   * Sets the Arguments attribute of the LdapConfig object This will collect
   * values from the table for user defined test case
   *
   * @param value
   *            The arguments
   **************************************************************************/
  public void setArguments(Arguments value) {
    setProperty(new TestElementProperty(ARGUMENTS, value));
  }

  /***************************************************************************
   * Gets the Arguments attribute of the LdapConfig object
   *
   * @return The arguments user defined test case
   **************************************************************************/
  public Arguments getArguments() {
    return (Arguments) getProperty(ARGUMENTS).getObjectValue();
  }

  /***************************************************************************
   * Sets the Arguments attribute of the LdapConfig object This will collect
   * values from the table for user defined test case
   *
   * @param value
   *            The arguments
   **************************************************************************/
  public void setLDAPArguments(LDAPArguments value) {
    setProperty(new TestElementProperty(LDAPARGUMENTS, value));
  }

  /***************************************************************************
   * Gets the LDAPArguments attribute of the LdapConfig object
   *
   * @return The LDAParguments user defined modify test case
   **************************************************************************/
  public LDAPArguments getLDAPArguments() {
    return (LDAPArguments) getProperty(LDAPARGUMENTS).getObjectValue();
  }

  /***************************************************************************
   * Collect all the values from the table (Arguments), using this create the
   * Attributes, this will create the Attributes for the User
   * defined TestCase for Add Test
   *
   * @return The Attributes
   **************************************************************************/
  private Attributes getUserAttributes() {
        Attributes attrs = new BasicAttributes(true);
    Attribute attr;
    PropertyIterator iter = getArguments().iterator();

    while (iter.hasNext()) {
      Argument item = (Argument) iter.next().getObjectValue();
      attr = attrs.get(item.getName());
      if (attr == null) {
        attr = getBasicAttribute(item.getName(), item.getValue());
      } else {
        attr.add(item.getValue());
      }
      attrs.put(attr);
    }
    return attrs;
  }

  /***************************************************************************
   * Collect all the value from the table (Arguments), using this create the
   * basicAttributes This will create the Basic Attributes for the User
   * defined TestCase for Modify test
   *
   * @return The BasicAttributes
   **************************************************************************/
  private ModificationItem[] getUserModAttributes() {
    ModificationItem[] mods = new ModificationItem[getLDAPArguments().getArguments().size()];
    BasicAttribute attr;
    PropertyIterator iter = getLDAPArguments().iterator();
    int count = 0;
    while (iter.hasNext()) {
      LDAPArgument item = (LDAPArgument) iter.next().getObjectValue();
      if ((item.getValue()).length()==0) {
        attr = new BasicAttribute(item.getName());
      } else {
        attr = getBasicAttribute(item.getName(), item.getValue());
      }
     
      final String opcode = item.getOpcode();
      if ("add".equals(opcode)) { // $NON-NLS-1$
        mods[count++] = new ModificationItem(DirContext.ADD_ATTRIBUTE, attr);
      } else if ("delete".equals(opcode) // $NON-NLS-1$
           ||  "remove".equals(opcode)) { // $NON-NLS-1$
          mods[count++] = new ModificationItem(DirContext.REMOVE_ATTRIBUTE, attr);
      } else if("replace".equals(opcode)) { // $NON-NLS-1$
          mods[count++] = new ModificationItem(DirContext.REPLACE_ATTRIBUTE, attr);
      } else {
          log.warn("Invalid opCode: "+opcode);
      }
    }
    return mods;
  }

  /***************************************************************************
   * Collect all the value from the table (Arguments), using this create the
   * Attributes This will create the Basic Attributes for the User defined
   * TestCase for search test
   *
   * @return The BasicAttributes
   **************************************************************************/
  private String[] getRequestAttributes(String reqAttr) {
    int index;
    String[] mods;
    int count = 0;
    if (reqAttr.length() == 0) {
      return null;
    }
    if (!reqAttr.endsWith(SEMI_COLON)) {
      reqAttr = reqAttr + SEMI_COLON;
    }
    String attr = reqAttr;

    while (attr.length() > 0) {
      index = attr.indexOf(SEMI_COLON);
      count += 1;
      attr = attr.substring(index + 1);
    }
    if (count > 0) {
      mods = new String[count];
      attr = reqAttr;
      count = 0;
      while (attr.length() > 0) {
        index = attr.indexOf(SEMI_COLON);
        mods[count] = attr.substring(0, index);
        count += 1;
        attr = attr.substring(index + 1);
      }
    } else {
      mods = null;
    }
    return mods;
  }

  /***************************************************************************
   * This will create the Basic Attribute for the give name value pair
   *
   * @return The BasicAttribute
   **************************************************************************/
  private BasicAttribute getBasicAttribute(String name, String value) {
    BasicAttribute attr = new BasicAttribute(name, value);
    return attr;
  }

  /**
   * Returns a formatted string label describing this sampler Example output:
   *
   * @return a formatted string label describing this sampler
   */
  public String getLabel() {
    return ("ldap://" + this.getServername()  //$NON-NLS-1$
        + ":" + getPort()                 //$NON-NLS-1$
        + "/" + this.getRootdn());        //$NON-NLS-1$
  }

  /***************************************************************************
   * This will do the add test for the User defined TestCase
   *
   **************************************************************************/
  private void addTest(LdapExtClient ldap, DirContext dirContext, SampleResult res) throws NamingException {
    try {
      res.sampleStart();
      ldap.createTest(dirContext, getUserAttributes(), getBaseEntryDN());
    } finally {
      res.sampleEnd();
    }   
  }

  /***************************************************************************
   * This will do the delete test for the User defined TestCase
   *
   **************************************************************************/
  private void deleteTest(LdapExtClient ldap, DirContext dirContext, SampleResult res) throws NamingException {
    try {
      res.sampleStart();
      ldap.deleteTest(dirContext, getPropertyAsString(DELETE));
    } finally {
      res.sampleEnd();
    }   
  }

  /***************************************************************************
   * This will do the modify test for the User defined TestCase
   *
   **************************************************************************/
  private void modifyTest(LdapExtClient ldap, DirContext dirContext, SampleResult res) throws NamingException {
    try {
      res.sampleStart();
      ldap.modifyTest(dirContext, getUserModAttributes(), getBaseEntryDN());
    } finally {
      res.sampleEnd();
    }   
  }

  /***************************************************************************
   * This will do the bind for the User defined Thread, this bind is used for
   * the whole context
   *
   **************************************************************************/
  private void bindOp(LdapExtClient ldap, DirContext dirContext, SampleResult res) throws NamingException {
    DirContext ctx = (DirContext) ldapContexts.remove(getThreadName());
    if (ctx != null) {
      log.warn("Closing previous context for thread: " + getThreadName());
      ctx.close();
    }
    try {
      res.sampleStart();
      ctx = ldap.connect(getServername(), getPort(), getRootdn(), getUserDN(), getUserPw(),getConnTimeOut(),isSecure());
    } finally {
      res.sampleEnd();
    }   
    ldapContexts.put(getThreadName(), ctx);
  }

  /***************************************************************************
   * This will do the bind and unbind for the User defined TestCase
   *
   **************************************************************************/
  private void singleBindOp(SampleResult res) throws NamingException {
    LdapExtClient ldap_temp;
    ldap_temp = new LdapExtClient();
    try {
      res.sampleStart();
      DirContext ctx = ldap_temp.connect(getServername(), getPort(), getRootdn(), getUserDN(), getUserPw(),getConnTimeOut(),isSecure());
      ldap_temp.disconnect(ctx);
    } finally {
      res.sampleEnd();
    }   
  }

  /***************************************************************************
   * This will do a moddn Opp for the User new DN defined
   *
   **************************************************************************/
  private void renameTest(LdapExtClient ldap, DirContext dirContext, SampleResult res) throws NamingException {
    try {
      res.sampleStart();
      ldap.moddnOp(dirContext, getPropertyAsString(MODDDN), getPropertyAsString(NEWDN));
    } finally {
      res.sampleEnd();
    }   
  }

  /***************************************************************************
   * This will do the unbind for the User defined TestCase as well as inbuilt
   * test case
   *
   **************************************************************************/
  private void unbindOp(LdapExtClient ldap, DirContext dirContext, SampleResult res) {
    try {
      res.sampleStart();
      ldap.disconnect(dirContext);
    } finally {
      res.sampleEnd();
    }   
    ldapConnections.remove(getThreadName());
    ldapContexts.remove(getThreadName());
    log.info("context and LdapExtClients removed");
  }

  /***************************************************************************
   * !ToDo (Method description)
   *
   * @param e
   *            !ToDo (Parameter description)
   * @return !ToDo (Return description)
   **************************************************************************/
  public SampleResult sample(Entry e) {
    XMLBuffer xmlBuffer = new XMLBuffer();
    xmlBuffer.openTag("ldapanswer"); // $NON-NLS-1$
    SampleResult res = new SampleResult();
    res.setResponseData("successfull".getBytes());
    res.setResponseMessage("Success"); // $NON-NLS-1$
    res.setResponseCode("0"); // $NON-NLS-1$
    boolean isSuccessful = true;
    res.setSampleLabel(getName());
    LdapExtClient temp_client = (LdapExtClient) ldapConnections.get(getThreadName());
    DirContext dirContext = (DirContext) ldapContexts.get(getThreadName());
    if (temp_client == null) {
      temp_client = new LdapExtClient();
      try {
        dirContext = new InitialDirContext();
      } catch (NamingException err) {
        log.error("Ldap client context creation - ", err);
      }
      ldapConnections.put(getThreadName(), temp_client);
    }

    try {
      xmlBuffer.openTag("operation"); // $NON-NLS-1$
      final String testType = getTest();
      xmlBuffer.tag("opertype", testType); // $NON-NLS-1$
      log.debug("performing test: " + testType);
      if (testType.equals(UNBIND)) {
        res.setSamplerData("Unbind");
        xmlBuffer.tag("baseobj",getRootdn()); // $NON-NLS-1$
        xmlBuffer.tag("binddn",getUserDN()); // $NON-NLS-1$
        unbindOp(temp_client, dirContext, res);
      } else if (testType.equals(BIND)) {
        res.setSamplerData("Bind as "+getUserDN());
        xmlBuffer.tag("baseobj",getRootdn()); // $NON-NLS-1$
        xmlBuffer.tag("binddn",getUserDN()); // $NON-NLS-1$
        xmlBuffer.tag("connectionTO",getConnTimeOut()); // $NON-NLS-1$
        bindOp(temp_client, dirContext, res);
      } else if (testType.equals(SBIND)) {
        res.setSamplerData("SingleBind as "+getUserDN());
        xmlBuffer.tag("baseobj",getRootdn()); // $NON-NLS-1$
        xmlBuffer.tag("binddn",getUserDN()); // $NON-NLS-1$
        xmlBuffer.tag("connectionTO",getConnTimeOut()); // $NON-NLS-1$
        singleBindOp(res);
      } else if (testType.equals(COMPARE)) {
        res.setSamplerData("Compare "+getPropertyAsString(COMPAREFILT) + " "
                + getPropertyAsString(COMPAREDN));
        xmlBuffer.tag("comparedn",getPropertyAsString(COMPAREDN)); // $NON-NLS-1$
        xmlBuffer.tag("comparefilter",getPropertyAsString(COMPAREFILT)); // $NON-NLS-1$
                NamingEnumeration cmp;
        try {
          res.sampleStart();
          cmp = temp_client.compare(dirContext, getPropertyAsString(COMPAREFILT),
              getPropertyAsString(COMPAREDN));
        } finally {
          res.sampleEnd();
        }       
        if (cmp.hasMore()) {
        } else {
          res.setResponseCode("5"); // $NON-NLS-1$
          res.setResponseMessage("compareFalse");
          isSuccessful = false;
        }
      } else if (testType.equals(ADD)) {
        res.setSamplerData("Add object " + getBaseEntryDN());
        xmlBuffer.tag("attributes",getArguments().toString()); // $NON-NLS-1$
        xmlBuffer.tag("dn",getBaseEntryDN()); // $NON-NLS-1$
        addTest(temp_client, dirContext, res);
      } else if (testType.equals(DELETE)) {
        res.setSamplerData("Delete object " + getBaseEntryDN());
        xmlBuffer.tag("dn",getBaseEntryDN()); // $NON-NLS-1$
        deleteTest(temp_client, dirContext, res);
      } else if (testType.equals(MODIFY)) {
        res.setSamplerData("Modify object " + getBaseEntryDN());
        xmlBuffer.tag("dn",getBaseEntryDN()); // $NON-NLS-1$
        xmlBuffer.tag("attributes",getLDAPArguments().toString()); // $NON-NLS-1$
        modifyTest(temp_client, dirContext, res);
      } else if (testType.equals(RENAME)) {
        res.setSamplerData("ModDN object " + getPropertyAsString(MODDDN) + " to " + getPropertyAsString(NEWDN));
        xmlBuffer.tag("dn",getPropertyAsString(MODDDN)); // $NON-NLS-1$
        xmlBuffer.tag("newdn",getPropertyAsString(NEWDN)); // $NON-NLS-1$
        renameTest(temp_client, dirContext, res);
      } else if (testType.equals(SEARCH)) {
                final String            scopeStr = getScope();
                final int               scope = getScopeAsInt();
                final String searchFilter = getPropertyAsString(SEARCHFILTER);
        final String searchBase = getPropertyAsString(SEARCHBASE);
        final String timeLimit = getTimelim();
        final String countLimit = getCountlim();

        res.setSamplerData("Search with filter " + searchFilter);
        xmlBuffer.tag("searchfilter",searchFilter); // $NON-NLS-1$
        xmlBuffer.tag("baseobj",getRootdn()); // $NON-NLS-1$
        xmlBuffer.tag("searchbase",searchBase);// $NON-NLS-1$
        xmlBuffer.tag("scope" , scopeStr); // $NON-NLS-1$
        xmlBuffer.tag("countlimit",countLimit); // $NON-NLS-1$
        xmlBuffer.tag("timelimit",timeLimit); // $NON-NLS-1$

                NamingEnumeration srch;
        try {
          res.sampleStart();
          srch = temp_client.searchTest(
              dirContext, searchBase, searchFilter,
              scope, getCountlimAsLong(),
              getTimelimAsInt(),
              getRequestAttributes(getAttrs()),
              isRetobj(),
              isDeref());
        } finally {
          res.sampleEnd();
        }       

                if (isParseFlag()) {
          try {
            xmlBuffer.openTag("searchresults"); // $NON-NLS-1$
            writeSearchResults(xmlBuffer, srch);
          } finally {
            xmlBuffer.closeTag("searchresults"); // $NON-NLS-1$
          }         
                }
      }

    } catch (NamingException ex) {
      //log.warn("DEBUG",ex);
// e.g. javax.naming.SizeLimitExceededException: [LDAP: error code 4 - Sizelimit Exceeded]; remaining name ''
//                                                123456789012345678901
      // TODO: tidy this up
      String returnData = ex.toString();
      final int indexOfLDAPErrCode = returnData.indexOf("LDAP: error code");
      if (indexOfLDAPErrCode >= 0) {
        res.setResponseMessage(returnData.substring(indexOfLDAPErrCode + 21, returnData
            .indexOf("]"))); // $NON-NLS-1$
        res.setResponseCode(returnData.substring(indexOfLDAPErrCode + 17, indexOfLDAPErrCode + 19));
      } else {
        res.setResponseMessage(returnData);
        res.setResponseCode("800"); // $NON-NLS-1$
      }
      isSuccessful = false;
    } finally {
      xmlBuffer.closeTag("operation"); // $NON-NLS-1$
      xmlBuffer.tag("responsecode",res.getResponseCode()); // $NON-NLS-1$
      xmlBuffer.tag("responsemessage",res.getResponseMessage()); // $NON-NLS-1$
      res.setResponseData(xmlBuffer.toString().getBytes());
      res.setDataType(SampleResult.TEXT);
      res.setSuccessful(isSuccessful);
    }
    return res;
  }

    /*
     *   Write out search results in a stable order (including order of all subelements which might
     * be reordered like attributes and their values) so that simple textual comparison can be done,
     * unless the number of results exceeds {@link #MAX_SORTED_RESULTS} in which case just stream
     * the results out without sorting.
     */
    private void writeSearchResults(final XMLBuffer xmlb, final NamingEnumeration srch)
            throws NamingException
    {
    
        final ArrayList     sortedResults = new ArrayList(MAX_SORTED_RESULTS);
        final String        searchBase = getPropertyAsString(SEARCHBASE);
        final String        rootDn = getRootdn();

        // read all sortedResults into memory so we can guarantee ordering
        try {
      while (srch.hasMore() && (sortedResults.size() < MAX_SORTED_RESULTS)) {
          final SearchResult    sr = (SearchResult) srch.next();

              // must be done prior to sorting
          normaliseSearchDN(sr, searchBase, rootDn);
          sortedResults.add(sr);
      }
    } finally { // show what we did manage to retrieve
   
          sortResults(sortedResults);
         
          for (Iterator it = sortedResults.iterator(); it.hasNext();)
          {
              final SearchResult  sr = (SearchResult) it.next();
              writeSearchResult(sr, xmlb);
          }
    }

    while (srch.hasMore()) { // If there's anything left ...
            final SearchResult    sr = (SearchResult) srch.next();

            normaliseSearchDN(sr, searchBase, rootDn);
            writeSearchResult(sr, xmlb);
        }
    }

    private void writeSearchResult(final SearchResult sr, final XMLBuffer xmlb)
            throws NamingException
    {
        final Attributes    attrs = sr.getAttributes();
        final int           size = attrs.size();
        final ArrayList     sortedAttrs = new ArrayList(size);

        xmlb.openTag("searchresult"); // $NON-NLS-1$
        xmlb.tag("dn", sr.getName()); // $NON-NLS-1$
     xmlb.tag("returnedattr",Integer.toString(size)); // $NON-NLS-1$
     xmlb.openTag("attributes"); // $NON-NLS-1$

     try {
      for (NamingEnumeration en = attrs.getAll(); en.hasMore(); )
      {
          final Attribute     attr = (Attribute) en.next();

          sortedAttrs.add(attr);
      }
      sortAttributes(sortedAttrs);
      for (Iterator ait = sortedAttrs.iterator(); ait.hasNext();)
      {
          final Attribute     attr = (Attribute) ait.next();

          StringBuffer sb = new StringBuffer();
          if (attr.size() == 1)
              sb.append(getWriteValue(attr.get()));
          else
          {
              final ArrayList     sortedVals = new ArrayList(attr.size());
              boolean             first = true;

              for (NamingEnumeration ven = attr.getAll(); ven.hasMore(); )
              {
                  final Object    value = getWriteValue(ven.next());
                  sortedVals.add(value.toString());
              }

              Collections.sort(sortedVals);
             
              for (Iterator vit = sortedVals.iterator(); vit.hasNext();)
              {
                  final String    value = (String) vit.next();
                  if (first) {
                      first = false;
                  } else {
                      sb.append(", "); // $NON-NLS-1$
                  }
                  sb.append(value);
              }
          }
          xmlb.tag(attr.getID(),sb);
      }
    } finally {
       xmlb.closeTag("attributes"); // $NON-NLS-1$
          xmlb.closeTag("searchresult"); // $NON-NLS-1$
    }
    }

  private void sortAttributes(final ArrayList sortedAttrs) {
    Collections.sort(sortedAttrs, new Comparator()
        {
            public int compare(Object o1, Object o2)
            {
                String      nm1 = ((Attribute) o1).getID();
                String      nm2 = ((Attribute) o2).getID();

                return nm1.compareTo(nm2);
            }
        });
  }

  private void sortResults(final ArrayList sortedResults) {
    Collections.sort(sortedResults, new Comparator()
    {
        private int compareToReverse(final String s1, final String s2)
        {
            int     len1 = s1.length();
            int     len2 = s2.length();
            int     s1i = len1 - 1;
            int     s2i = len2 - 1;

            for ( ; (s1i >= 0) && (s2i >= 0); s1i--, s2i--)
            {
                char    c1 = s1.charAt(s1i);
                char    c2 = s2.charAt(s2i);

                if (c1 != c2)
                    return c1 - c2;
            }
            return len1 - len2;
        }

        public int compare(Object o1, Object o2)
        {
            String      nm1 = ((SearchResult) o1).getName();
            String      nm2 = ((SearchResult) o2).getName();

            if (nm1 == null)
                nm1 = "";
            if (nm2 == null)
                nm2 = "";
            return compareToReverse(nm1, nm2);
        }
    });
  }

    private String normaliseSearchDN(final SearchResult sr, final String searchBase, final String rootDn)
    {
        String      srName = sr.getName();

        if (!srName.endsWith(searchBase))
        {
            if (srName.length() > 0)
                srName = srName + ',';
            srName = srName + searchBase;
        }
        if ((rootDn.length() > 0) && !srName.endsWith(rootDn))
        {
            if (srName.length() > 0)
                srName = srName + ',';
            srName = srName + rootDn;
        }
        sr.setName(srName);
        return srName;
    }

    private String getWriteValue(final Object value)
    {
        if (value instanceof String)
            // assume it's senstive data
            return StringEscapeUtils.escapeXml((String)value);
        else if (value instanceof byte[])
            try
            {
                return StringEscapeUtils.escapeXml(new String((byte[])value, "UTF-8"));
            }
            catch (UnsupportedEncodingException e)
            {
                log.error("this can't happen: UTF-8 character encoding not supported", e);
            }
        return StringEscapeUtils.escapeXml(value.toString());
    }

  public void testStarted() {
    testStarted(""); // $NON-NLS-1$
  }

  public void testEnded() {
    testEnded(""); // $NON-NLS-1$
  }

  public void testStarted(String host) {
    // ignored
  }

  // Ensure any remaining contexts are closed
  public void testEnded(String host) {
    Iterator it = ldapContexts.entrySet().iterator();
    while (it.hasNext()) {
      Map.Entry entry = (Map.Entry) it.next();
      String key = (String) entry.getKey();
      DirContext dc = (DirContext) entry.getValue();
      try {
        log.warn("Tidying old Context for thread: " + key);
        dc.close();
      } catch (NamingException ignored) {
        // ignored
      }
      it.remove();// Make sure the entry is not left around for the next run
    }

  }

  public void testIterationStart(LoopIterationEvent event) {
    // ignored
  }
}
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