| /* |
| * 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. |
| * |
| */ |
| import java.io.PrintWriter; |
| import java.io.StringWriter; |
| |
| import org.apache.directory.api.ldap.model.cursor.EntryCursor; |
| import org.apache.directory.api.ldap.model.entry.DefaultEntry; |
| import org.apache.directory.api.ldap.model.message.SearchScope; |
| import org.apache.directory.ldap.client.api.LdapNetworkConnection; |
| |
| /** |
| * A class to test DIRSERVER-1992. |
| * |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class MultiThreadedReadWriteTest |
| { |
| |
| private volatile boolean stop = false; |
| |
| private Runnable reader = new Runnable() |
| { |
| |
| @Override |
| public void run() |
| { |
| try |
| { |
| LdapNetworkConnection connection = getConnection(); |
| while ( !stop ) |
| { |
| read( connection ); |
| } |
| |
| connection.close(); |
| } |
| catch( Exception e ) |
| { |
| System.out.println( "Reader " + Thread.currentThread().getId() + " failed" ); |
| e.printStackTrace(); |
| System.exit( 0 ); |
| } |
| } |
| }; |
| |
| private Runnable writer = new Runnable() |
| { |
| |
| @Override |
| public void run() |
| { |
| try |
| { |
| sync(); |
| } |
| catch( Exception e ) |
| { |
| System.out.println( "Sync failed" ); |
| e.printStackTrace(); |
| System.exit( 0 ); |
| } |
| } |
| }; |
| |
| private void read( LdapNetworkConnection connection ) throws Exception |
| { |
| EntryCursor cursor = connection.search( "ou=users,ou=system", "(objectClass=*)", SearchScope.ONELEVEL, "*" ); |
| int count = 0; |
| |
| while( cursor.next() ) |
| { |
| cursor.get(); |
| count++; |
| } |
| |
| System.out.println( "Read " + count + " entries" ); |
| } |
| |
| private void sync() throws Exception |
| { |
| LdapNetworkConnection connection = getConnection(); |
| String dn = "uid={uid},ou=users,ou=system"; |
| |
| String personTemplate = "objectClass: top\n" + |
| "objectClass: person\n" + |
| "objectClass: organizationalPerson\n" + |
| "objectClass: inetOrgPerson\n" + |
| "givenName: {uid}_{uid}\n" + |
| "sn: {uid}_sn\n" + |
| "cn: {uid}_cn\n" + |
| "uid: {uid}\n\n"; |
| |
| int total = 2500; |
| |
| System.out.println( "writing " ); |
| for( int i =0; i< total; i++ ) |
| { |
| String uid = "user"+ i; |
| String userDn = dn.replace( "{uid}", uid ); |
| String user = personTemplate.replace( "{uid}", uid ); |
| |
| DefaultEntry entry = new DefaultEntry( userDn, user ); |
| |
| connection.add( entry ); |
| } |
| |
| System.out.println( "deleting " ); |
| for( int i =0; i< total; i++ ) |
| { |
| String uid = "user"+ i; |
| String userDn = dn.replace( "{uid}", uid ); |
| |
| connection.delete( userDn ); |
| } |
| |
| connection.close(); |
| } |
| |
| |
| public static String getStackTrace( Throwable t ) |
| { |
| StringWriter sw = new StringWriter(); |
| PrintWriter pw = new PrintWriter( sw, true ); |
| t.printStackTrace( pw ); |
| pw.flush(); |
| sw.flush(); |
| return sw.toString(); |
| } |
| |
| |
| private LdapNetworkConnection getConnection() throws Exception |
| { |
| LdapNetworkConnection connection = new LdapNetworkConnection( "localhost", 10389 ); |
| connection.bind( "uid=admin,ou=system", "secret" ); |
| connection.setTimeOut( Long.MAX_VALUE ); |
| |
| return connection; |
| } |
| |
| |
| /** |
| * @param args |
| */ |
| public static void main( String[] args ) throws Exception |
| { |
| MultiThreadedReadWriteTest mtrwt = new MultiThreadedReadWriteTest(); |
| |
| Thread writer = new Thread( mtrwt.writer ); |
| writer.start(); |
| |
| for ( int i = 0; i < 5; ++i ) |
| { |
| Thread reader = new Thread( mtrwt.reader ); |
| reader.start(); |
| } |
| |
| System.out.println( "waiting for writer to stop" ); |
| writer.join(); |
| |
| mtrwt.stop = true; |
| } |
| |
| } |