/*
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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
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE
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* or https://OpenDS.dev.java.net/OpenDS.LICENSE.
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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
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* trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable,
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* add the following below this CDDL HEADER, with the fields enclosed
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* by brackets "[]" replaced with your own identifying 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 2008-2010 Sun Microsystems, Inc.
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* Portions Copyright 2011-2012 ForgeRock AS
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*/
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package org.opends.server.backends.jeb.importLDIF;
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import static org.opends.messages.JebMessages.*;
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import static org.opends.server.loggers.ErrorLogger.logError;
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import static org.opends.server.loggers.debug.DebugLogger.debugEnabled;
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import static org.opends.server.loggers.debug.DebugLogger.getTracer;
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import static org.opends.server.util.DynamicConstants.BUILD_ID;
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import static org.opends.server.util.DynamicConstants.REVISION_NUMBER;
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import static org.opends.server.util.ServerConstants.*;
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import static org.opends.server.util.StaticUtils.getFileForPath;
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import static org.opends.server.util.StaticUtils.stackTraceToString;
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import java.io.*;
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import java.nio.ByteBuffer;
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import java.util.*;
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import java.util.concurrent.*;
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import java.util.concurrent.atomic.AtomicInteger;
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import java.util.concurrent.atomic.AtomicLong;
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import org.opends.messages.Category;
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import org.opends.messages.Message;
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import org.opends.messages.Severity;
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import org.opends.server.admin.std.meta.LocalDBIndexCfgDefn;
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import org.opends.server.admin.std.meta.LocalDBIndexCfgDefn.IndexType;
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import org.opends.server.admin.std.server.LocalDBBackendCfg;
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import org.opends.server.admin.std.server.LocalDBIndexCfg;
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import org.opends.server.api.DiskSpaceMonitorHandler;
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import org.opends.server.backends.jeb.*;
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import org.opends.server.config.ConfigException;
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import org.opends.server.core.DirectoryServer;
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import org.opends.server.extensions.DiskSpaceMonitor;
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import org.opends.server.loggers.debug.DebugTracer;
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import org.opends.server.types.*;
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import org.opends.server.util.LDIFReader;
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import org.opends.server.util.Platform;
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import org.opends.server.util.StaticUtils;
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import com.sleepycat.je.*;
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import com.sleepycat.util.PackedInteger;
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/**
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* This class provides the engine that performs both importing of LDIF files and
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* the rebuilding of indexes.
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*/
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public final class Importer implements DiskSpaceMonitorHandler
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{
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/**
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* The tracer object for the debug logger.
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*/
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private static final DebugTracer TRACER = getTracer();
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private static final int TIMER_INTERVAL = 10000;
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private static final int KB = 1024;
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private static final int MB = (KB * KB);
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private static final String DEFAULT_TMP_DIR = "import-tmp";
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private static final String TMPENV_DIR = "tmp-env";
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//Defaults for DB cache.
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private static final int MAX_DB_CACHE_SIZE = 8 * MB;
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private static final int MAX_DB_LOG_SIZE = 10 * MB;
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private static final int MIN_DB_CACHE_SIZE = 4 * MB;
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//Defaults for LDIF reader buffers, min memory required to import and default
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//size for byte buffers.
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private static final int READER_WRITER_BUFFER_SIZE = 8 * KB;
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private static final int MIN_DB_CACHE_MEMORY = MAX_DB_CACHE_SIZE +
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MAX_DB_LOG_SIZE;
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private static final int BYTE_BUFFER_CAPACITY = 128;
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//Min and MAX sizes of phase one buffer.
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private static final int MAX_BUFFER_SIZE = 2 * MB;
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private static final int MIN_BUFFER_SIZE = 4 * KB;
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//Min size of phase two read-ahead cache.
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private static final int MIN_READ_AHEAD_CACHE_SIZE = 2 * KB;
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//Small heap threshold used to give more memory to JVM to attempt OOM errors.
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private static final int SMALL_HEAP_SIZE = 256 * MB;
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//The DN attribute type.
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private static AttributeType dnType;
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static final IndexOutputBuffer.IndexComparator indexComparator =
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new IndexOutputBuffer.IndexComparator();
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//Phase one buffer and imported entries counts.
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private final AtomicInteger bufferCount = new AtomicInteger(0);
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private final AtomicLong importCount = new AtomicLong(0);
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//Phase one buffer size in bytes.
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private int bufferSize;
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//Temp scratch directory.
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private final File tempDir;
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//Index and thread counts.
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private final int indexCount;
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private int threadCount;
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//Set to true when validation is skipped.
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private final boolean skipDNValidation;
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//Temporary environment used when DN validation is done in first phase.
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private final TmpEnv tmpEnv;
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//Root container.
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private RootContainer rootContainer;
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//Import configuration.
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private final LDIFImportConfig importConfiguration;
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//Backend configuration.
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private final LocalDBBackendCfg backendConfiguration;
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//LDIF reader.
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private LDIFReader reader;
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//Migrated entry count.
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private int migratedCount;
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// Size in bytes of temporary env.
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private long tmpEnvCacheSize;
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// Available memory at the start of the import.
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private long availableMemory;
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// Size in bytes of DB cache.
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private long dbCacheSize;
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//The executor service used for the buffer sort tasks.
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private ExecutorService bufferSortService;
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//The executor service used for the scratch file processing tasks.
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private ExecutorService scratchFileWriterService;
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//Queue of free index buffers -- used to re-cycle index buffers;
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private final BlockingQueue<IndexOutputBuffer> freeBufferQueue =
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new LinkedBlockingQueue<IndexOutputBuffer>();
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//Map of index keys to index buffers. Used to allocate sorted
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//index buffers to a index writer thread.
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private final
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Map<IndexKey, BlockingQueue<IndexOutputBuffer>> indexKeyQueMap =
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new ConcurrentHashMap<IndexKey, BlockingQueue<IndexOutputBuffer>>();
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//Map of DB containers to index managers. Used to start phase 2.
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private final List<IndexManager> indexMgrList =
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new LinkedList<IndexManager>();
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//Map of DB containers to DN-based index managers. Used to start phase 2.
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private final List<IndexManager> DNIndexMgrList =
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new LinkedList<IndexManager>();
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//Futures used to indicate when the index file writers are done flushing
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//their work queues and have exited. End of phase one.
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private final List<Future<?>> scratchFileWriterFutures;
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//List of index file writer tasks. Used to signal stopScratchFileWriters to
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//the index file writer tasks when the LDIF file has been done.
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private final List<ScratchFileWriterTask> scratchFileWriterList;
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//Map of DNs to Suffix objects.
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private final Map<DN, Suffix> dnSuffixMap = new LinkedHashMap<DN, Suffix>();
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//Map of container ids to database containers.
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private final ConcurrentHashMap<Integer, DatabaseContainer> idContainerMap =
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new ConcurrentHashMap<Integer, DatabaseContainer>();
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//Map of container ids to entry containers
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private final ConcurrentHashMap<Integer, EntryContainer> idECMap =
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new ConcurrentHashMap<Integer, EntryContainer>();
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//Used to synchronize when a scratch file index writer is first setup.
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private final Object synObj = new Object();
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//Rebuild index manager used when rebuilding indexes.
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private final RebuildIndexManager rebuildManager;
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//Set to true if the backend was cleared.
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private boolean clearedBackend = false;
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//Used to shutdown import if an error occurs in phase one.
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private volatile boolean isCanceled = false;
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private volatile boolean isPhaseOneDone = false;
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//Number of phase one buffers
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private int phaseOneBufferCount;
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static
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{
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if ((dnType = DirectoryServer.getAttributeType("dn")) == null)
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{
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dnType = DirectoryServer.getDefaultAttributeType("dn");
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}
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}
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/**
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* Create a new import job with the specified rebuild index config.
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*
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* @param rebuildConfig
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* The rebuild index configuration.
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* @param cfg
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* The local DB back-end configuration.
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* @param envConfig
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* The JEB environment config.
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* @throws InitializationException
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* If a problem occurs during initialization.
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* @throws JebException
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* If an error occurred when opening the DB.
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* @throws ConfigException
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* If a problem occurs during initialization.
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*/
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public Importer(RebuildConfig rebuildConfig, LocalDBBackendCfg cfg,
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EnvironmentConfig envConfig) throws InitializationException,
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JebException, ConfigException
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{
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this.importConfiguration = null;
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this.backendConfiguration = cfg;
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this.tmpEnv = null;
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this.threadCount = 1;
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this.rebuildManager = new RebuildIndexManager(rebuildConfig, cfg);
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this.indexCount = rebuildManager.getIndexCount();
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this.scratchFileWriterList = new ArrayList<ScratchFileWriterTask>(
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indexCount);
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this.scratchFileWriterFutures = new CopyOnWriteArrayList<Future<?>>();
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File parentDir;
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if (rebuildConfig.getTmpDirectory() == null)
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{
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parentDir = getFileForPath(DEFAULT_TMP_DIR);
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}
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else
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{
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parentDir = getFileForPath(rebuildConfig.getTmpDirectory());
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}
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this.tempDir = new File(parentDir, cfg.getBackendId());
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recursiveDelete(tempDir);
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if (!tempDir.exists() && !tempDir.mkdirs())
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{
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Message message = ERR_JEB_IMPORT_CREATE_TMPDIR_ERROR.get(String
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.valueOf(tempDir));
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throw new InitializationException(message);
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}
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this.skipDNValidation = true;
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initializeDBEnv(envConfig);
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}
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/**
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* Create a new import job with the specified ldif import config.
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*
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* @param importConfiguration
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* The LDIF import configuration.
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* @param localDBBackendCfg
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* The local DB back-end configuration.
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* @param envConfig
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* The JEB environment config.
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* @throws InitializationException
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* If a problem occurs during initialization.
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* @throws ConfigException
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* If a problem occurs reading the configuration.
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* @throws DatabaseException
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* If an error occurred when opening the DB.
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*/
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public Importer(LDIFImportConfig importConfiguration,
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LocalDBBackendCfg localDBBackendCfg, EnvironmentConfig envConfig)
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throws InitializationException, ConfigException, DatabaseException
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{
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this.rebuildManager = null;
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this.importConfiguration = importConfiguration;
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this.backendConfiguration = localDBBackendCfg;
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if (importConfiguration.getThreadCount() == 0)
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{
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this.threadCount = Runtime.getRuntime().availableProcessors() * 2;
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}
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else
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{
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this.threadCount = importConfiguration.getThreadCount();
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}
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// Determine the number of indexes.
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this.indexCount = getTotalIndexCount(localDBBackendCfg);
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if (!importConfiguration.appendToExistingData())
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{
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if (importConfiguration.clearBackend()
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|| localDBBackendCfg.getBaseDN().size() <= 1)
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{
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this.clearedBackend = true;
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}
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}
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this.scratchFileWriterList = new ArrayList<ScratchFileWriterTask>(
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indexCount);
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this.scratchFileWriterFutures = new CopyOnWriteArrayList<Future<?>>();
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File parentDir;
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if (importConfiguration.getTmpDirectory() == null)
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{
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parentDir = getFileForPath(DEFAULT_TMP_DIR);
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}
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else
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{
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parentDir = getFileForPath(importConfiguration.getTmpDirectory());
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}
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this.tempDir = new File(parentDir, localDBBackendCfg.getBackendId());
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recursiveDelete(tempDir);
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if (!tempDir.exists() && !tempDir.mkdirs())
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{
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Message message = ERR_JEB_IMPORT_CREATE_TMPDIR_ERROR.get(String
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.valueOf(tempDir));
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throw new InitializationException(message);
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}
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skipDNValidation = importConfiguration.getSkipDNValidation();
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initializeDBEnv(envConfig);
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// Set up temporary environment.
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if (!skipDNValidation)
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{
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File envPath = new File(tempDir, TMPENV_DIR);
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envPath.mkdirs();
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this.tmpEnv = new TmpEnv(envPath);
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}
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else
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{
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this.tmpEnv = null;
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}
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}
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private int getTotalIndexCount(LocalDBBackendCfg localDBBackendCfg)
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throws ConfigException
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{
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int indexes = 2; // dn2id, dn2uri
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for (String indexName : localDBBackendCfg.listLocalDBIndexes())
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{
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LocalDBIndexCfg index = localDBBackendCfg.getLocalDBIndex(indexName);
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SortedSet<IndexType> types = index.getIndexType();
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if (types.contains(IndexType.EXTENSIBLE))
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{
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indexes += types.size() - 1
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+ index.getIndexExtensibleMatchingRule().size();
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}
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else
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{
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indexes += types.size();
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}
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}
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return indexes;
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}
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/**
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* Return the suffix instance in the specified map that matches the specified
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* DN.
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*
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* @param dn The DN to search for.
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* @param map The map to search.
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* @return The suffix instance that matches the DN, or null if no match is
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* found.
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*/
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public static Suffix getMatchSuffix(DN dn, Map<DN, Suffix> map)
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{
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Suffix suffix = null;
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DN nodeDN = dn;
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while (suffix == null && nodeDN != null) {
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suffix = map.get(nodeDN);
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if (suffix == null)
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{
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nodeDN = nodeDN.getParentDNInSuffix();
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}
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}
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return suffix;
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}
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/**
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* Calculate buffer sizes and initialize JEB properties based on memory.
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*
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* @param envConfig
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* The environment config to use in the calculations.
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* @throws InitializationException
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* If a problem occurs during calculation.
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*/
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private void initializeDBEnv(EnvironmentConfig envConfig)
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throws InitializationException
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{
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// Calculate amount of usable memory. This will need to take into account
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// various fudge factors, including the number of IO buffers used by the
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// scratch writers (1 per index).
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calculateAvailableMemory();
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final long usableMemory = availableMemory
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- (indexCount * READER_WRITER_BUFFER_SIZE);
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// We need caching when doing DN validation or rebuilding indexes.
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if (!skipDNValidation || (rebuildManager != null))
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{
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// No DN validation: calculate memory for DB cache, DN2ID temporary cache,
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// and buffers.
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if (System.getProperty(PROPERTY_RUNNING_UNIT_TESTS) != null)
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{
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dbCacheSize = 500 * KB;
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tmpEnvCacheSize = 500 * KB;
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}
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else if (usableMemory < (MIN_DB_CACHE_MEMORY + MIN_DB_CACHE_SIZE))
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{
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dbCacheSize = MIN_DB_CACHE_SIZE;
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tmpEnvCacheSize = MIN_DB_CACHE_SIZE;
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}
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else if (!clearedBackend)
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{
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// Appending to existing data so reserve extra memory for the DB cache
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// since it will be needed for dn2id queries.
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dbCacheSize = usableMemory * 33 / 100;
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tmpEnvCacheSize = usableMemory * 33 / 100;
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}
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else
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{
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dbCacheSize = MAX_DB_CACHE_SIZE;
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tmpEnvCacheSize = usableMemory * 66 / 100;
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}
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}
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else
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{
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// No DN validation: calculate memory for DB cache and buffers.
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// No need for DN2ID cache.
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tmpEnvCacheSize = 0;
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if (System.getProperty(PROPERTY_RUNNING_UNIT_TESTS) != null)
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{
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dbCacheSize = 500 * KB;
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}
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else if (usableMemory < MIN_DB_CACHE_MEMORY)
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{
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dbCacheSize = MIN_DB_CACHE_SIZE;
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}
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else
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{
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// No need to differentiate between append/clear backend, since dn2id is
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// not being queried.
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dbCacheSize = MAX_DB_CACHE_SIZE;
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}
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}
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final long phaseOneBufferMemory = usableMemory - dbCacheSize
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- tmpEnvCacheSize;
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final int oldThreadCount = threadCount;
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while (true)
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{
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phaseOneBufferCount = 2 * indexCount * threadCount;
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// Scratch writers allocate 4 buffers per index as well.
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final int totalPhaseOneBufferCount = phaseOneBufferCount
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+ (4 * indexCount);
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bufferSize = (int) (phaseOneBufferMemory / totalPhaseOneBufferCount);
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if (bufferSize > MAX_BUFFER_SIZE)
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{
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if (!skipDNValidation)
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{
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// The buffers are big enough: the memory is best used for the DN2ID
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// temp DB.
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bufferSize = MAX_BUFFER_SIZE;
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final long extraMemory = phaseOneBufferMemory
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- (totalPhaseOneBufferCount * bufferSize);
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if (!clearedBackend)
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{
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dbCacheSize += extraMemory / 2;
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tmpEnvCacheSize += extraMemory / 2;
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}
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else
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{
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tmpEnvCacheSize += extraMemory;
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}
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}
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break;
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}
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else if (bufferSize > MIN_BUFFER_SIZE)
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{
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// This is acceptable.
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break;
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}
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else if (threadCount > 1)
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{
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// Retry using less threads.
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threadCount--;
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}
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else
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{
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// Not enough memory.
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final long minimumPhaseOneBufferMemory = totalPhaseOneBufferCount
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* MIN_BUFFER_SIZE;
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Message message = ERR_IMPORT_LDIF_LACK_MEM.get(usableMemory,
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minimumPhaseOneBufferMemory + dbCacheSize + tmpEnvCacheSize);
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throw new InitializationException(message);
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}
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}
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if (oldThreadCount != threadCount)
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{
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Message message = NOTE_JEB_IMPORT_ADJUST_THREAD_COUNT.get(oldThreadCount,
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threadCount);
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logError(message);
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}
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Message message = NOTE_JEB_IMPORT_LDIF_TOT_MEM_BUF.get(
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availableMemory, phaseOneBufferCount);
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logError(message);
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if (tmpEnvCacheSize > 0)
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{
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message = NOTE_JEB_IMPORT_LDIF_TMP_ENV_MEM.get(tmpEnvCacheSize);
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logError(message);
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}
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envConfig.setConfigParam(EnvironmentConfig.MAX_MEMORY, Long
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.toString(dbCacheSize));
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message = NOTE_JEB_IMPORT_LDIF_DB_MEM_BUF_INFO.get(dbCacheSize, bufferSize);
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logError(message);
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}
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/**
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* Calculates the amount of available memory which can be used by this import,
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* taking into account whether or not the import is running offline or online
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* as a task.
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*/
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private void calculateAvailableMemory()
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{
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final long totalAvailableMemory;
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if (DirectoryServer.isRunning())
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{
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// Online import/rebuild.
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Runtime runTime = Runtime.getRuntime();
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runTime.gc();
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runTime.gc();
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final long usedMemory = runTime.totalMemory() - runTime.freeMemory();
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final long maxUsableMemory = Platform.getUsableMemoryForCaching();
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final long usableMemory = maxUsableMemory - usedMemory;
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final long configuredMemory;
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if (backendConfiguration.getDBCacheSize() > 0)
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{
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configuredMemory = backendConfiguration.getDBCacheSize();
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}
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else
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{
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configuredMemory = backendConfiguration.getDBCachePercent()
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* Runtime.getRuntime().maxMemory() / 100;
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}
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// Round up to minimum of 16MB (e.g. unit tests only use 2% cache).
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totalAvailableMemory = Math.max(Math.min(usableMemory, configuredMemory),
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16 * MB);
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}
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else
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{
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// Offline import/rebuild.
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totalAvailableMemory = Platform.getUsableMemoryForCaching();
|
}
|
|
// Now take into account various fudge factors.
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int importMemPct = 90;
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if (totalAvailableMemory <= SMALL_HEAP_SIZE)
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{
|
// Be pessimistic when memory is low.
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importMemPct -= 25;
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}
|
if (rebuildManager != null)
|
{
|
// Rebuild seems to require more overhead.
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importMemPct -= 15;
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}
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availableMemory = (totalAvailableMemory * importMemPct / 100);
|
}
|
|
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private void initializeIndexBuffers()
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{
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for(int i = 0; i < phaseOneBufferCount; i++)
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{
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IndexOutputBuffer b = new IndexOutputBuffer(bufferSize);
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freeBufferQueue.add(b);
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}
|
}
|
|
|
private void initializeSuffixes() throws DatabaseException,
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ConfigException, InitializationException
|
{
|
for(EntryContainer ec : rootContainer.getEntryContainers())
|
{
|
Suffix suffix = getSuffix(ec);
|
if(suffix != null)
|
{
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dnSuffixMap.put(ec.getBaseDN(), suffix);
|
generateIndexID(suffix);
|
}
|
}
|
}
|
|
|
//Mainly used to support multiple suffixes. Each index in each suffix gets
|
//an unique ID to identify which DB it needs to go to in phase two processing.
|
private void generateIndexID(Suffix suffix)
|
{
|
for(Map.Entry<AttributeType, AttributeIndex> mapEntry :
|
suffix.getAttrIndexMap().entrySet()) {
|
AttributeIndex attributeIndex = mapEntry.getValue();
|
DatabaseContainer container;
|
if((container=attributeIndex.getEqualityIndex()) != null) {
|
int id = System.identityHashCode(container);
|
idContainerMap.putIfAbsent(id, container);
|
}
|
if((container=attributeIndex.getPresenceIndex()) != null) {
|
int id = System.identityHashCode(container);
|
idContainerMap.putIfAbsent(id, container);
|
}
|
if((container=attributeIndex.getSubstringIndex()) != null) {
|
int id = System.identityHashCode(container);
|
idContainerMap.putIfAbsent(id, container);
|
}
|
if((container=attributeIndex.getOrderingIndex()) != null) {
|
int id = System.identityHashCode(container);
|
idContainerMap.putIfAbsent(id, container);
|
}
|
if((container=attributeIndex.getApproximateIndex()) != null) {
|
int id = System.identityHashCode(container);
|
idContainerMap.putIfAbsent(id, container);
|
}
|
Map<String,Collection<Index>> extensibleMap =
|
attributeIndex.getExtensibleIndexes();
|
if(!extensibleMap.isEmpty()) {
|
Collection<Index> subIndexes =
|
attributeIndex.getExtensibleIndexes().get(
|
EXTENSIBLE_INDEXER_ID_SUBSTRING);
|
if(subIndexes != null) {
|
for(DatabaseContainer subIndex : subIndexes) {
|
int id = System.identityHashCode(subIndex);
|
idContainerMap.putIfAbsent(id, subIndex);
|
}
|
}
|
Collection<Index> sharedIndexes =
|
attributeIndex.getExtensibleIndexes().get(
|
EXTENSIBLE_INDEXER_ID_SHARED);
|
if(sharedIndexes !=null) {
|
for(DatabaseContainer sharedIndex : sharedIndexes) {
|
int id = System.identityHashCode(sharedIndex);
|
idContainerMap.putIfAbsent(id, sharedIndex);
|
}
|
}
|
}
|
}
|
}
|
|
|
private Suffix getSuffix(EntryContainer entryContainer)
|
throws ConfigException, InitializationException {
|
DN baseDN = entryContainer.getBaseDN();
|
EntryContainer sourceEntryContainer = null;
|
List<DN> includeBranches = new ArrayList<DN>();
|
List<DN> excludeBranches = new ArrayList<DN>();
|
|
if(!importConfiguration.appendToExistingData() &&
|
!importConfiguration.clearBackend())
|
{
|
for(DN dn : importConfiguration.getExcludeBranches())
|
{
|
if(baseDN.equals(dn))
|
{
|
// This entire base DN was explicitly excluded. Skip.
|
return null;
|
}
|
if(baseDN.isAncestorOf(dn))
|
{
|
excludeBranches.add(dn);
|
}
|
}
|
|
if(!importConfiguration.getIncludeBranches().isEmpty())
|
{
|
for(DN dn : importConfiguration.getIncludeBranches())
|
{
|
if(baseDN.isAncestorOf(dn))
|
{
|
includeBranches.add(dn);
|
}
|
}
|
|
if(includeBranches.isEmpty())
|
{
|
/*
|
There are no branches in the explicitly defined include list under
|
this base DN. Skip this base DN all together.
|
*/
|
|
return null;
|
}
|
|
// Remove any overlapping include branches.
|
Iterator<DN> includeBranchIterator = includeBranches.iterator();
|
while(includeBranchIterator.hasNext())
|
{
|
DN includeDN = includeBranchIterator.next();
|
boolean keep = true;
|
for(DN dn : includeBranches)
|
{
|
if(!dn.equals(includeDN) && dn.isAncestorOf(includeDN))
|
{
|
keep = false;
|
break;
|
}
|
}
|
if(!keep)
|
{
|
includeBranchIterator.remove();
|
}
|
}
|
|
// Remove any exclude branches that are not are not under a include
|
// branch since they will be migrated as part of the existing entries
|
// outside of the include branches anyways.
|
Iterator<DN> excludeBranchIterator = excludeBranches.iterator();
|
while(excludeBranchIterator.hasNext())
|
{
|
DN excludeDN = excludeBranchIterator.next();
|
boolean keep = false;
|
for(DN includeDN : includeBranches)
|
{
|
if(includeDN.isAncestorOf(excludeDN))
|
{
|
keep = true;
|
break;
|
}
|
}
|
if(!keep)
|
{
|
excludeBranchIterator.remove();
|
}
|
}
|
|
if((includeBranches.size() == 1) &&
|
excludeBranches.isEmpty() &&
|
includeBranches.get(0).equals(baseDN))
|
{
|
// This entire base DN is explicitly included in the import with
|
// no exclude branches that we need to migrate. Just clear the entry
|
// container.
|
entryContainer.lock();
|
entryContainer.clear();
|
entryContainer.unlock();
|
}
|
else
|
{
|
// Create a temp entry container
|
sourceEntryContainer = entryContainer;
|
entryContainer =
|
rootContainer.openEntryContainer(baseDN,
|
baseDN.toNormalizedString() +
|
"_importTmp");
|
}
|
}
|
}
|
return Suffix.createSuffixContext(entryContainer, sourceEntryContainer,
|
includeBranches, excludeBranches);
|
}
|
|
|
/**
|
* Rebuild the indexes using the specified rootcontainer.
|
*
|
* @param rootContainer The rootcontainer to rebuild indexes in.
|
*
|
* @throws ConfigException If a configuration error occurred.
|
* @throws InitializationException If an initialization error occurred.
|
* @throws JebException If the JEB database had an error.
|
* @throws InterruptedException If an interrupted error occurred.
|
* @throws ExecutionException If an execution error occurred.
|
*/
|
public void
|
rebuildIndexes(RootContainer rootContainer) throws ConfigException,
|
InitializationException, JebException,
|
InterruptedException, ExecutionException
|
{
|
this.rootContainer = rootContainer;
|
long startTime = System.currentTimeMillis();
|
|
DiskSpaceMonitor tmpMonitor = new DiskSpaceMonitor(
|
backendConfiguration.getBackendId() +
|
" backend index rebuild tmp directory",
|
tempDir, backendConfiguration.getDiskLowThreshold(),
|
backendConfiguration.getDiskFullThreshold(), 5,
|
TimeUnit.SECONDS, this);
|
tmpMonitor.initializeMonitorProvider(null);
|
DirectoryServer.registerMonitorProvider(tmpMonitor);
|
File parentDirectory =
|
getFileForPath(backendConfiguration.getDBDirectory());
|
File backendDirectory =
|
new File(parentDirectory, backendConfiguration.getBackendId());
|
DiskSpaceMonitor dbMonitor = new DiskSpaceMonitor(
|
backendConfiguration.getBackendId() +
|
" backend index rebuild DB directory",
|
backendDirectory, backendConfiguration.getDiskLowThreshold(),
|
backendConfiguration.getDiskFullThreshold(), 5,
|
TimeUnit.SECONDS, this);
|
dbMonitor.initializeMonitorProvider(null);
|
DirectoryServer.registerMonitorProvider(dbMonitor);
|
|
try
|
{
|
rebuildManager.initialize();
|
rebuildManager.printStartMessage();
|
rebuildManager.rebuildIndexes();
|
recursiveDelete(tempDir);
|
rebuildManager.printStopMessage(startTime);
|
}
|
finally
|
{
|
DirectoryServer.deregisterMonitorProvider(
|
tmpMonitor.getMonitorInstanceName());
|
DirectoryServer.deregisterMonitorProvider(
|
dbMonitor.getMonitorInstanceName());
|
tmpMonitor.finalizeMonitorProvider();
|
dbMonitor.finalizeMonitorProvider();
|
}
|
}
|
|
|
/**
|
* Import a LDIF using the specified root container.
|
*
|
* @param rootContainer The root container to use during the import.
|
*
|
* @return A LDIF result.
|
* @throws ConfigException If the import failed because of an configuration
|
* error.
|
* @throws InitializationException If the import failed because of an
|
* initialization error.
|
* @throws JebException If the import failed due to a database error.
|
* @throws InterruptedException If the import failed due to an interrupted
|
* error.
|
* @throws ExecutionException If the import failed due to an execution error.
|
*/
|
public LDIFImportResult
|
processImport(RootContainer rootContainer) throws ConfigException,
|
InitializationException, JebException,
|
InterruptedException, ExecutionException
|
{
|
this.rootContainer = rootContainer;
|
try
|
{
|
reader = new LDIFReader(importConfiguration, rootContainer,
|
READER_WRITER_BUFFER_SIZE);
|
}
|
catch (IOException ioe)
|
{
|
Message message = ERR_JEB_IMPORT_LDIF_READER_IO_ERROR.get();
|
throw new InitializationException(message, ioe);
|
}
|
|
DiskSpaceMonitor tmpMonitor = new DiskSpaceMonitor(
|
backendConfiguration.getBackendId() + " backend import tmp directory",
|
tempDir, backendConfiguration.getDiskLowThreshold(),
|
backendConfiguration.getDiskFullThreshold(), 5,
|
TimeUnit.SECONDS, this);
|
tmpMonitor.initializeMonitorProvider(null);
|
DirectoryServer.registerMonitorProvider(tmpMonitor);
|
File parentDirectory =
|
getFileForPath(backendConfiguration.getDBDirectory());
|
File backendDirectory =
|
new File(parentDirectory, backendConfiguration.getBackendId());
|
DiskSpaceMonitor dbMonitor = new DiskSpaceMonitor(
|
backendConfiguration.getBackendId() + " backend import DB directory",
|
backendDirectory, backendConfiguration.getDiskLowThreshold(),
|
backendConfiguration.getDiskFullThreshold(), 5,
|
TimeUnit.SECONDS, this);
|
dbMonitor.initializeMonitorProvider(null);
|
DirectoryServer.registerMonitorProvider(dbMonitor);
|
|
try
|
{
|
Message message = NOTE_JEB_IMPORT_STARTING.get(
|
DirectoryServer.getVersionString(), BUILD_ID, REVISION_NUMBER);
|
logError(message);
|
message = NOTE_JEB_IMPORT_THREAD_COUNT.get(threadCount);
|
logError(message);
|
initializeSuffixes();
|
setIndexesTrusted(false);
|
long startTime = System.currentTimeMillis();
|
phaseOne();
|
isPhaseOneDone = true;
|
long phaseOneFinishTime = System.currentTimeMillis();
|
if (!skipDNValidation)
|
{
|
tmpEnv.shutdown();
|
}
|
if (isCanceled)
|
{
|
throw new InterruptedException("Import processing canceled.");
|
}
|
long phaseTwoTime = System.currentTimeMillis();
|
phaseTwo();
|
if (isCanceled)
|
{
|
throw new InterruptedException("Import processing canceled.");
|
}
|
long phaseTwoFinishTime = System.currentTimeMillis();
|
setIndexesTrusted(true);
|
switchContainers();
|
recursiveDelete(tempDir);
|
long finishTime = System.currentTimeMillis();
|
long importTime = (finishTime - startTime);
|
float rate = 0;
|
message = NOTE_JEB_IMPORT_PHASE_STATS.get(importTime / 1000,
|
(phaseOneFinishTime - startTime) / 1000,
|
(phaseTwoFinishTime - phaseTwoTime) / 1000);
|
logError(message);
|
if (importTime > 0) rate = 1000f * reader.getEntriesRead() / importTime;
|
message = NOTE_JEB_IMPORT_FINAL_STATUS.get(reader.getEntriesRead(),
|
importCount.get(), reader.getEntriesIgnored(),
|
reader.getEntriesRejected(), migratedCount, importTime / 1000, rate);
|
logError(message);
|
}
|
finally
|
{
|
reader.close();
|
DirectoryServer.deregisterMonitorProvider(
|
tmpMonitor.getMonitorInstanceName());
|
DirectoryServer.deregisterMonitorProvider(
|
dbMonitor.getMonitorInstanceName());
|
tmpMonitor.finalizeMonitorProvider();
|
dbMonitor.finalizeMonitorProvider();
|
}
|
return new LDIFImportResult(reader.getEntriesRead(),
|
reader.getEntriesRejected(), reader.getEntriesIgnored());
|
}
|
|
|
private void recursiveDelete(File dir)
|
{
|
if(dir.listFiles() != null)
|
{
|
for(File f : dir.listFiles())
|
{
|
if(f.isDirectory())
|
{
|
recursiveDelete(f);
|
}
|
f.delete();
|
}
|
}
|
dir.delete();
|
}
|
|
|
private void switchContainers()
|
throws DatabaseException, JebException, InitializationException
|
{
|
|
for(Suffix suffix : dnSuffixMap.values()) {
|
DN baseDN = suffix.getBaseDN();
|
EntryContainer entryContainer =
|
suffix.getSrcEntryContainer();
|
if(entryContainer != null) {
|
EntryContainer needRegisterContainer =
|
rootContainer.unregisterEntryContainer(baseDN);
|
|
needRegisterContainer.lock();
|
needRegisterContainer.close();
|
needRegisterContainer.delete();
|
needRegisterContainer.unlock();
|
EntryContainer newEC = suffix.getEntryContainer();
|
newEC.lock();
|
newEC.setDatabasePrefix(baseDN.toNormalizedString());
|
newEC.unlock();
|
rootContainer.registerEntryContainer(baseDN, newEC);
|
}
|
}
|
}
|
|
|
|
private void setIndexesTrusted(boolean trusted) throws JebException
|
{
|
try {
|
for(Suffix s : dnSuffixMap.values()) {
|
s.setIndexesTrusted(trusted);
|
}
|
}
|
catch (DatabaseException ex)
|
{
|
Message message =
|
NOTE_JEB_IMPORT_LDIF_TRUSTED_FAILED.get(ex.getMessage());
|
throw new JebException(message);
|
}
|
}
|
|
|
|
private void phaseOne() throws InterruptedException, ExecutionException
|
{
|
initializeIndexBuffers();
|
FirstPhaseProgressTask progressTask = new FirstPhaseProgressTask();
|
ScheduledThreadPoolExecutor timerService = new ScheduledThreadPoolExecutor(
|
1);
|
timerService.scheduleAtFixedRate(progressTask, TIMER_INTERVAL,
|
TIMER_INTERVAL, TimeUnit.MILLISECONDS);
|
scratchFileWriterService = Executors.newFixedThreadPool(2 * indexCount);
|
bufferSortService = Executors.newFixedThreadPool(threadCount);
|
ExecutorService execService = Executors.newFixedThreadPool(threadCount);
|
List<Callable<Void>> tasks = new ArrayList<Callable<Void>>(threadCount);
|
tasks.add(new MigrateExistingTask());
|
List<Future<Void>> results = execService.invokeAll(tasks);
|
for (Future<Void> result : results)
|
{
|
if (!result.isDone())
|
{
|
result.get();
|
}
|
}
|
tasks.clear();
|
results.clear();
|
if (importConfiguration.appendToExistingData()
|
&& importConfiguration.replaceExistingEntries())
|
{
|
for (int i = 0; i < threadCount; i++)
|
{
|
tasks.add(new AppendReplaceTask());
|
}
|
}
|
else
|
{
|
for (int i = 0; i < threadCount; i++)
|
{
|
tasks.add(new ImportTask());
|
}
|
}
|
results = execService.invokeAll(tasks);
|
for (Future<Void> result : results)
|
{
|
if (!result.isDone())
|
{
|
result.get();
|
}
|
}
|
tasks.clear();
|
results.clear();
|
tasks.add(new MigrateExcludedTask());
|
results = execService.invokeAll(tasks);
|
for (Future<Void> result : results)
|
{
|
if (!result.isDone())
|
{
|
result.get();
|
}
|
}
|
stopScratchFileWriters();
|
for (Future<?> result : scratchFileWriterFutures)
|
{
|
if (!result.isDone())
|
{
|
result.get();
|
}
|
}
|
|
// Shutdown the executor services
|
timerService.shutdown();
|
timerService.awaitTermination(30, TimeUnit.SECONDS);
|
execService.shutdown();
|
execService.awaitTermination(30, TimeUnit.SECONDS);
|
bufferSortService.shutdown();
|
bufferSortService.awaitTermination(30, TimeUnit.SECONDS);
|
scratchFileWriterService.shutdown();
|
scratchFileWriterService.awaitTermination(30, TimeUnit.SECONDS);
|
|
// Try to clear as much memory as possible.
|
scratchFileWriterList.clear();
|
scratchFileWriterFutures.clear();
|
indexKeyQueMap.clear();
|
freeBufferQueue.clear();
|
}
|
|
|
|
private void phaseTwo() throws InterruptedException, ExecutionException
|
{
|
SecondPhaseProgressTask progress2Task = new SecondPhaseProgressTask(
|
reader.getEntriesRead());
|
ScheduledThreadPoolExecutor timerService = new ScheduledThreadPoolExecutor(
|
1);
|
timerService.scheduleAtFixedRate(progress2Task, TIMER_INTERVAL,
|
TIMER_INTERVAL, TimeUnit.MILLISECONDS);
|
try
|
{
|
processIndexFiles();
|
}
|
finally
|
{
|
timerService.shutdown();
|
timerService.awaitTermination(30, TimeUnit.SECONDS);
|
}
|
}
|
|
|
|
private void processIndexFiles()
|
throws InterruptedException, ExecutionException
|
{
|
if(bufferCount.get() == 0)
|
{
|
return;
|
}
|
int dbThreads = Runtime.getRuntime().availableProcessors();
|
if(dbThreads < 4)
|
{
|
dbThreads = 4;
|
}
|
|
// Calculate memory / buffer counts.
|
final long usableMemory = availableMemory - dbCacheSize;
|
int readAheadSize;
|
int buffers;
|
while (true)
|
{
|
final List<IndexManager> totList = new ArrayList<IndexManager>(
|
DNIndexMgrList);
|
totList.addAll(indexMgrList);
|
Collections.sort(totList, Collections.reverseOrder());
|
|
buffers = 0;
|
final int limit = Math.min(dbThreads, totList.size());
|
for (int i = 0; i < limit; i++)
|
{
|
buffers += totList.get(i).numberOfBuffers;
|
}
|
|
readAheadSize = (int) (usableMemory / buffers);
|
if (readAheadSize > bufferSize)
|
{
|
// Cache size is never larger than the buffer size.
|
readAheadSize = bufferSize;
|
break;
|
}
|
else if (readAheadSize > MIN_READ_AHEAD_CACHE_SIZE)
|
{
|
// This is acceptable.
|
break;
|
}
|
else if (dbThreads > 1)
|
{
|
// Reduce thread count.
|
dbThreads--;
|
}
|
else
|
{
|
// Not enough memory - will need to do batching for the biggest indexes.
|
readAheadSize = MIN_READ_AHEAD_CACHE_SIZE;
|
buffers = (int) (usableMemory / readAheadSize);
|
|
Message message = WARN_IMPORT_LDIF_LACK_MEM_PHASE_TWO.get(usableMemory);
|
logError(message);
|
break;
|
}
|
}
|
|
// Ensure that there are always two threads available for parallel
|
// processing of smaller indexes.
|
dbThreads = Math.max(2, dbThreads);
|
|
Message message = NOTE_JEB_IMPORT_LDIF_PHASE_TWO_MEM_REPORT.get(
|
availableMemory, readAheadSize, buffers);
|
logError(message);
|
|
// Start indexing tasks.
|
List<Future<Void>> futures = new LinkedList<Future<Void>>();
|
ExecutorService dbService = Executors.newFixedThreadPool(dbThreads);
|
Semaphore permits = new Semaphore(buffers);
|
|
// Start DN processing first.
|
for (IndexManager dnMgr : DNIndexMgrList)
|
{
|
futures.add(dbService.submit(new IndexDBWriteTask(dnMgr, permits,
|
buffers, readAheadSize)));
|
}
|
for (IndexManager mgr : indexMgrList)
|
{
|
futures.add(dbService.submit(new IndexDBWriteTask(mgr, permits, buffers,
|
readAheadSize)));
|
}
|
|
for (Future<Void> result : futures)
|
{
|
if (!result.isDone())
|
{
|
result.get();
|
}
|
}
|
|
dbService.shutdown();
|
}
|
|
|
|
private void stopScratchFileWriters()
|
{
|
IndexOutputBuffer indexBuffer = new IndexOutputBuffer(0);
|
for(ScratchFileWriterTask task : scratchFileWriterList)
|
{
|
task.queue.add(indexBuffer);
|
}
|
}
|
|
|
/**
|
* Task used to migrate excluded branch.
|
*/
|
private final class MigrateExcludedTask extends ImportTask
|
{
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override
|
public Void call() throws Exception
|
{
|
for(Suffix suffix : dnSuffixMap.values()) {
|
EntryContainer entryContainer = suffix.getSrcEntryContainer();
|
if(entryContainer != null &&
|
!suffix.getExcludeBranches().isEmpty()) {
|
DatabaseEntry key = new DatabaseEntry();
|
DatabaseEntry data = new DatabaseEntry();
|
LockMode lockMode = LockMode.DEFAULT;
|
OperationStatus status;
|
Message message = NOTE_JEB_IMPORT_MIGRATION_START.get(
|
"excluded", String.valueOf(suffix.getBaseDN()));
|
logError(message);
|
Cursor cursor =
|
entryContainer.getDN2ID().openCursor(null,
|
CursorConfig.READ_COMMITTED);
|
Comparator<byte[]> comparator =
|
entryContainer.getDN2ID().getComparator();
|
try {
|
for(DN excludedDN : suffix.getExcludeBranches()) {
|
byte[] bytes = JebFormat.dnToDNKey(
|
excludedDN, suffix.getBaseDN().getNumComponents());
|
key.setData(bytes);
|
status = cursor.getSearchKeyRange(key, data, lockMode);
|
if(status == OperationStatus.SUCCESS &&
|
Arrays.equals(key.getData(), bytes)) {
|
// This is the base entry for a branch that was excluded in the
|
// import so we must migrate all entries in this branch over to
|
// the new entry container.
|
byte[] end = Arrays.copyOf(bytes, bytes.length+1);
|
end[end.length-1] = 0x01;
|
|
while(status == OperationStatus.SUCCESS &&
|
comparator.compare(key.getData(), end) < 0 &&
|
!importConfiguration.isCancelled() &&
|
!isCanceled) {
|
EntryID id = new EntryID(data);
|
Entry entry = entryContainer.getID2Entry().get(null,
|
id, LockMode.DEFAULT);
|
processEntry(entry, rootContainer.getNextEntryID(),
|
suffix);
|
migratedCount++;
|
status = cursor.getNext(key, data, lockMode);
|
}
|
}
|
}
|
flushIndexBuffers();
|
}
|
catch (Exception e)
|
{
|
message =
|
ERR_JEB_IMPORT_LDIF_MIGRATE_EXCLUDED_TASK_ERR.get(e.getMessage());
|
logError(message);
|
isCanceled =true;
|
throw e;
|
}
|
finally
|
{
|
cursor.close();
|
}
|
}
|
}
|
return null;
|
}
|
}
|
|
|
/**
|
* Task to migrate existing entries.
|
*/
|
private final class MigrateExistingTask extends ImportTask
|
{
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override
|
public Void call() throws Exception
|
{
|
for(Suffix suffix : dnSuffixMap.values()) {
|
List<byte[]> includeBranches =
|
new ArrayList<byte[]>(suffix.getIncludeBranches().size());
|
for(DN includeBranch : suffix.getIncludeBranches())
|
{
|
if(includeBranch.isDescendantOf(suffix.getBaseDN()))
|
{
|
includeBranches.add(JebFormat.dnToDNKey(
|
includeBranch, suffix.getBaseDN().getNumComponents()));
|
}
|
}
|
|
EntryContainer entryContainer = suffix.getSrcEntryContainer();
|
if(entryContainer != null &&
|
!suffix.getIncludeBranches().isEmpty()) {
|
DatabaseEntry key = new DatabaseEntry();
|
DatabaseEntry data = new DatabaseEntry();
|
LockMode lockMode = LockMode.DEFAULT;
|
OperationStatus status;
|
Message message = NOTE_JEB_IMPORT_MIGRATION_START.get(
|
"existing", String.valueOf(suffix.getBaseDN()));
|
logError(message);
|
Cursor cursor =
|
entryContainer.getDN2ID().openCursor(null,
|
null);
|
try {
|
status = cursor.getFirst(key, data, lockMode);
|
while(status == OperationStatus.SUCCESS &&
|
!importConfiguration.isCancelled() && !isCanceled) {
|
|
boolean found = false;
|
for(byte[] includeBranch : includeBranches)
|
{
|
if(Arrays.equals(includeBranch, key.getData()))
|
{
|
found = true;
|
break;
|
}
|
}
|
if(!found) {
|
EntryID id = new EntryID(data);
|
Entry entry =
|
entryContainer.getID2Entry().get(null,
|
id, LockMode.DEFAULT);
|
processEntry(entry, rootContainer.getNextEntryID(),suffix);
|
migratedCount++;
|
status = cursor.getNext(key, data, lockMode);
|
} else {
|
// This is the base entry for a branch that will be included
|
// in the import so we don't want to copy the branch to the
|
// new entry container.
|
|
/**
|
* Advance the cursor to next entry at the same level in the
|
* DIT
|
* skipping all the entries in this branch.
|
* Set the next starting value to a value of equal length but
|
* slightly greater than the previous DN. Since keys are
|
* compared in reverse order we must set the first byte
|
* (the comma).
|
* No possibility of overflow here.
|
*/
|
byte[] begin = Arrays.copyOf(key.getData(), key.getSize()+1);
|
begin[begin.length-1] = 0x01;
|
key.setData(begin);
|
status = cursor.getSearchKeyRange(key, data, lockMode);
|
}
|
}
|
flushIndexBuffers();
|
}
|
catch(Exception e)
|
{
|
message =
|
ERR_JEB_IMPORT_LDIF_MIGRATE_EXISTING_TASK_ERR.get(e.getMessage());
|
logError(message);
|
isCanceled =true;
|
throw e;
|
}
|
finally
|
{
|
cursor.close();
|
}
|
}
|
}
|
return null;
|
}
|
}
|
|
/**
|
* Task to perform append/replace processing.
|
*/
|
private class AppendReplaceTask extends ImportTask
|
{
|
private final Set<byte[]> insertKeySet = new HashSet<byte[]>(),
|
deleteKeySet = new HashSet<byte[]>();
|
private final EntryInformation entryInfo = new EntryInformation();
|
private Entry oldEntry;
|
private EntryID entryID;
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override
|
public Void call() throws Exception
|
{
|
try
|
{
|
while (true)
|
{
|
if (importConfiguration.isCancelled() || isCanceled)
|
{
|
IndexOutputBuffer indexBuffer = new IndexOutputBuffer(0);
|
freeBufferQueue.add(indexBuffer);
|
return null;
|
}
|
oldEntry = null;
|
Entry entry = reader.readEntry(dnSuffixMap, entryInfo);
|
if (entry == null)
|
{
|
break;
|
}
|
entryID = entryInfo.getEntryID();
|
Suffix suffix = entryInfo.getSuffix();
|
processEntry(entry, suffix);
|
}
|
flushIndexBuffers();
|
}
|
catch(Exception e)
|
{
|
Message message =
|
ERR_JEB_IMPORT_LDIF_APPEND_REPLACE_TASK_ERR.get(e.getMessage());
|
logError(message);
|
isCanceled = true;
|
throw e;
|
}
|
return null;
|
}
|
|
|
void processEntry(Entry entry, Suffix suffix)
|
throws DatabaseException, DirectoryException,
|
JebException, InterruptedException
|
|
{
|
DN entryDN = entry.getDN();
|
DN2ID dn2id = suffix.getDN2ID();
|
EntryID oldID = dn2id.get(null, entryDN, LockMode.DEFAULT);
|
if(oldID != null)
|
{
|
oldEntry = suffix.getID2Entry().get(null, oldID, LockMode.DEFAULT);
|
}
|
if(oldEntry == null)
|
{
|
if(!skipDNValidation)
|
{
|
if(!dnSanityCheck(entryDN, entry, suffix))
|
{
|
suffix.removePending(entryDN);
|
return;
|
}
|
}
|
suffix.removePending(entryDN);
|
processDN2ID(suffix, entryDN, entryID);
|
}
|
else
|
{
|
suffix.removePending(entryDN);
|
entryID = oldID;
|
}
|
processDN2URI(suffix, oldEntry, entry);
|
suffix.getID2Entry().put(null, entryID, entry);
|
if(oldEntry == null)
|
{
|
processIndexes(suffix, entry, entryID);
|
}
|
else
|
{
|
processAllIndexes(suffix, entry, entryID);
|
}
|
importCount.getAndIncrement();
|
}
|
|
|
void
|
processAllIndexes(Suffix suffix, Entry entry, EntryID entryID) throws
|
DatabaseException, DirectoryException, JebException,
|
InterruptedException
|
{
|
|
for(Map.Entry<AttributeType, AttributeIndex> mapEntry :
|
suffix.getAttrIndexMap().entrySet()) {
|
AttributeType attributeType = mapEntry.getKey();
|
AttributeIndex attributeIndex = mapEntry.getValue();
|
Index index;
|
if((index=attributeIndex.getEqualityIndex()) != null) {
|
processAttribute(index, entry, entryID,
|
new IndexKey(attributeType, ImportIndexType.EQUALITY,
|
index.getIndexEntryLimit()));
|
}
|
if((index=attributeIndex.getPresenceIndex()) != null) {
|
processAttribute(index, entry, entryID,
|
new IndexKey(attributeType, ImportIndexType.PRESENCE,
|
index.getIndexEntryLimit()));
|
}
|
if((index=attributeIndex.getSubstringIndex()) != null) {
|
processAttribute(index, entry, entryID,
|
new IndexKey(attributeType, ImportIndexType.SUBSTRING,
|
index.getIndexEntryLimit()));
|
}
|
if((index=attributeIndex.getOrderingIndex()) != null) {
|
processAttribute(index, entry, entryID,
|
new IndexKey(attributeType, ImportIndexType.ORDERING,
|
index.getIndexEntryLimit()));
|
}
|
if((index=attributeIndex.getApproximateIndex()) != null) {
|
processAttribute(index, entry, entryID,
|
new IndexKey(attributeType, ImportIndexType.APPROXIMATE,
|
index.getIndexEntryLimit()));
|
}
|
for(VLVIndex vlvIdx : suffix.getEntryContainer().getVLVIndexes()) {
|
Transaction transaction = null;
|
vlvIdx.addEntry(transaction, entryID, entry);
|
}
|
Map<String,Collection<Index>> extensibleMap =
|
attributeIndex.getExtensibleIndexes();
|
if(!extensibleMap.isEmpty()) {
|
Collection<Index> subIndexes =
|
attributeIndex.getExtensibleIndexes().get(
|
EXTENSIBLE_INDEXER_ID_SUBSTRING);
|
if(subIndexes != null) {
|
for(Index subIndex: subIndexes) {
|
processAttribute(subIndex, entry, entryID,
|
new IndexKey(attributeType, ImportIndexType.EX_SUBSTRING,
|
subIndex.getIndexEntryLimit()));
|
}
|
}
|
Collection<Index> sharedIndexes =
|
attributeIndex.getExtensibleIndexes().get(
|
EXTENSIBLE_INDEXER_ID_SHARED);
|
if(sharedIndexes !=null) {
|
for(Index sharedIndex:sharedIndexes) {
|
processAttribute(sharedIndex, entry, entryID,
|
new IndexKey(attributeType, ImportIndexType.EX_SHARED,
|
sharedIndex.getIndexEntryLimit()));
|
}
|
}
|
}
|
}
|
}
|
|
|
@Override
|
void processAttribute(Index index, Entry entry, EntryID entryID,
|
IndexKey indexKey) throws DatabaseException,
|
InterruptedException
|
{
|
if(oldEntry != null)
|
{
|
deleteKeySet.clear();
|
index.indexer.indexEntry(oldEntry, deleteKeySet);
|
for(byte[] delKey : deleteKeySet)
|
{
|
processKey(index, delKey, entryID, indexComparator, indexKey, false);
|
}
|
}
|
insertKeySet.clear();
|
index.indexer.indexEntry(entry, insertKeySet);
|
for(byte[] key : insertKeySet)
|
{
|
processKey(index, key, entryID, indexComparator, indexKey, true);
|
}
|
}
|
}
|
|
|
/**
|
* This task performs phase reading and processing of the entries read from
|
* the LDIF file(s). This task is used if the append flag wasn't specified.
|
*/
|
private class ImportTask implements Callable<Void>
|
{
|
private final Map<IndexKey, IndexOutputBuffer> indexBufferMap =
|
new HashMap<IndexKey, IndexOutputBuffer>();
|
private final Set<byte[]> insertKeySet = new HashSet<byte[]>();
|
private final EntryInformation entryInfo = new EntryInformation();
|
private DatabaseEntry keyEntry = new DatabaseEntry(),
|
valEntry = new DatabaseEntry();
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override
|
public Void call() throws Exception
|
{
|
try
|
{
|
while (true)
|
{
|
if (importConfiguration.isCancelled() || isCanceled)
|
{
|
IndexOutputBuffer indexBuffer = new IndexOutputBuffer(0);
|
freeBufferQueue.add(indexBuffer);
|
return null;
|
}
|
Entry entry = reader.readEntry(dnSuffixMap, entryInfo);
|
if (entry == null)
|
{
|
break;
|
}
|
EntryID entryID = entryInfo.getEntryID();
|
Suffix suffix = entryInfo.getSuffix();
|
processEntry(entry, entryID, suffix);
|
}
|
flushIndexBuffers();
|
}
|
catch (Exception e)
|
{
|
Message message =
|
ERR_JEB_IMPORT_LDIF_IMPORT_TASK_ERR.get(e.getMessage());
|
logError(message);
|
isCanceled = true;
|
throw e;
|
}
|
return null;
|
}
|
|
|
void processEntry(Entry entry, EntryID entryID, Suffix suffix)
|
throws DatabaseException, DirectoryException,
|
JebException, InterruptedException
|
|
{
|
DN entryDN = entry.getDN();
|
if(!skipDNValidation)
|
{
|
if(!dnSanityCheck(entryDN, entry, suffix))
|
{
|
suffix.removePending(entryDN);
|
return;
|
}
|
}
|
suffix.removePending(entryDN);
|
processDN2ID(suffix, entryDN, entryID);
|
processDN2URI(suffix, null, entry);
|
processIndexes(suffix, entry, entryID);
|
suffix.getID2Entry().put(null, entryID, entry);
|
importCount.getAndIncrement();
|
}
|
|
//Examine the DN for duplicates and missing parents.
|
boolean dnSanityCheck(DN entryDN, Entry entry, Suffix suffix)
|
throws JebException, InterruptedException
|
{
|
//Perform parent checking.
|
DN parentDN = suffix.getEntryContainer().getParentWithinBase(entryDN);
|
if (parentDN != null) {
|
if (!suffix.isParentProcessed(parentDN, tmpEnv, clearedBackend)) {
|
Message message =
|
ERR_JEB_IMPORT_PARENT_NOT_FOUND.get(parentDN.toString());
|
reader.rejectEntry(entry, message);
|
return false;
|
}
|
}
|
//If the backend was not cleared, then the dn2id needs to checked first
|
//for DNs that might not exist in the DN cache. If the DN is not in
|
//the suffixes dn2id DB, then the dn cache is used.
|
if(!clearedBackend)
|
{
|
EntryID id = suffix.getDN2ID().get(null, entryDN, LockMode.DEFAULT);
|
if(id != null || !tmpEnv.insert(entryDN, keyEntry, valEntry) )
|
{
|
Message message = WARN_JEB_IMPORT_ENTRY_EXISTS.get();
|
reader.rejectEntry(entry, message);
|
return false;
|
}
|
}
|
else if(!tmpEnv.insert(entryDN, keyEntry, valEntry))
|
{
|
Message message = WARN_JEB_IMPORT_ENTRY_EXISTS.get();
|
reader.rejectEntry(entry, message);
|
return false;
|
}
|
return true;
|
}
|
|
|
void
|
processIndexes(Suffix suffix, Entry entry, EntryID entryID) throws
|
DatabaseException, DirectoryException, JebException,
|
InterruptedException
|
{
|
for(Map.Entry<AttributeType, AttributeIndex> mapEntry :
|
suffix.getAttrIndexMap().entrySet()) {
|
AttributeType attributeType = mapEntry.getKey();
|
if(entry.hasAttribute(attributeType)) {
|
AttributeIndex attributeIndex = mapEntry.getValue();
|
Index index;
|
if((index=attributeIndex.getEqualityIndex()) != null) {
|
processAttribute(index, entry, entryID,
|
new IndexKey(attributeType, ImportIndexType.EQUALITY,
|
index.getIndexEntryLimit()));
|
}
|
if((index=attributeIndex.getPresenceIndex()) != null) {
|
processAttribute(index, entry, entryID,
|
new IndexKey(attributeType, ImportIndexType.PRESENCE,
|
index.getIndexEntryLimit()));
|
}
|
if((index=attributeIndex.getSubstringIndex()) != null) {
|
processAttribute(index, entry, entryID,
|
new IndexKey(attributeType, ImportIndexType.SUBSTRING,
|
index.getIndexEntryLimit()));
|
}
|
if((index=attributeIndex.getOrderingIndex()) != null) {
|
processAttribute(index, entry, entryID,
|
new IndexKey(attributeType, ImportIndexType.ORDERING,
|
index.getIndexEntryLimit()));
|
}
|
if((index=attributeIndex.getApproximateIndex()) != null) {
|
processAttribute(index, entry, entryID,
|
new IndexKey(attributeType, ImportIndexType.APPROXIMATE,
|
index.getIndexEntryLimit()));
|
}
|
for(VLVIndex vlvIdx : suffix.getEntryContainer().getVLVIndexes()) {
|
Transaction transaction = null;
|
vlvIdx.addEntry(transaction, entryID, entry);
|
}
|
Map<String,Collection<Index>> extensibleMap =
|
attributeIndex.getExtensibleIndexes();
|
if(!extensibleMap.isEmpty()) {
|
Collection<Index> subIndexes =
|
attributeIndex.getExtensibleIndexes().get(
|
EXTENSIBLE_INDEXER_ID_SUBSTRING);
|
if(subIndexes != null) {
|
for(Index subIndex: subIndexes) {
|
processAttribute(subIndex, entry, entryID,
|
new IndexKey(attributeType, ImportIndexType.EX_SUBSTRING,
|
subIndex.getIndexEntryLimit()));
|
}
|
}
|
Collection<Index> sharedIndexes =
|
attributeIndex.getExtensibleIndexes().get(
|
EXTENSIBLE_INDEXER_ID_SHARED);
|
if(sharedIndexes !=null) {
|
for(Index sharedIndex:sharedIndexes) {
|
processAttribute(sharedIndex, entry, entryID,
|
new IndexKey(attributeType, ImportIndexType.EX_SHARED,
|
sharedIndex.getIndexEntryLimit()));
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
|
void processAttribute(Index index, Entry entry, EntryID entryID,
|
IndexKey indexKey) throws DatabaseException,
|
InterruptedException
|
{
|
insertKeySet.clear();
|
index.indexer.indexEntry(entry, insertKeySet);
|
for(byte[] key : insertKeySet)
|
{
|
processKey(index, key, entryID, indexComparator, indexKey, true);
|
}
|
}
|
|
|
void flushIndexBuffers() throws InterruptedException,
|
ExecutionException
|
{
|
Set<Map.Entry<IndexKey, IndexOutputBuffer>> set =
|
indexBufferMap.entrySet();
|
Iterator<Map.Entry<IndexKey, IndexOutputBuffer>> setIterator =
|
set.iterator();
|
while(setIterator.hasNext())
|
{
|
Map.Entry<IndexKey, IndexOutputBuffer> e = setIterator.next();
|
IndexKey indexKey = e.getKey();
|
IndexOutputBuffer indexBuffer = e.getValue();
|
setIterator.remove();
|
indexBuffer.setComparator(indexComparator);
|
indexBuffer.setIndexKey(indexKey);
|
indexBuffer.setDiscard();
|
Future<Void> future =
|
bufferSortService.submit(new SortTask(indexBuffer));
|
future.get();
|
}
|
}
|
|
|
int
|
processKey(DatabaseContainer container, byte[] key, EntryID entryID,
|
IndexOutputBuffer.ComparatorBuffer<byte[]> comparator,
|
IndexKey indexKey, boolean insert)
|
throws InterruptedException
|
{
|
IndexOutputBuffer indexBuffer = indexBufferMap.get(indexKey);
|
if (indexBuffer == null)
|
{
|
indexBuffer = getNewIndexBuffer();
|
indexBufferMap.put(indexKey, indexBuffer);
|
}
|
else if (!indexBuffer.isSpaceAvailable(key, entryID.longValue()))
|
{
|
indexBuffer.setComparator(comparator);
|
indexBuffer.setIndexKey(indexKey);
|
bufferSortService.submit(new SortTask(indexBuffer));
|
indexBuffer = getNewIndexBuffer();
|
indexBufferMap.put(indexKey, indexBuffer);
|
}
|
int id = System.identityHashCode(container);
|
indexBuffer.add(key, entryID, id, insert);
|
return id;
|
}
|
|
|
IndexOutputBuffer getNewIndexBuffer() throws InterruptedException
|
{
|
IndexOutputBuffer indexBuffer = freeBufferQueue.take();
|
if(indexBuffer == null)
|
{
|
Message message = Message.raw(Category.JEB, Severity.SEVERE_ERROR,
|
"Index buffer processing error.");
|
throw new InterruptedException(message.toString());
|
}
|
if(indexBuffer.isPoison())
|
{
|
Message message = Message.raw(Category.JEB, Severity.SEVERE_ERROR,
|
"Cancel processing received.");
|
throw new InterruptedException(message.toString());
|
}
|
return indexBuffer;
|
}
|
|
|
void processDN2ID(Suffix suffix, DN dn, EntryID entryID)
|
throws InterruptedException
|
{
|
DN2ID dn2id = suffix.getDN2ID();
|
byte[] dnBytes =
|
JebFormat.dnToDNKey(dn, suffix.getBaseDN().getNumComponents());
|
int id = processKey(dn2id, dnBytes, entryID, indexComparator,
|
new IndexKey(dnType, ImportIndexType.DN, 1), true);
|
idECMap.putIfAbsent(id, suffix.getEntryContainer());
|
}
|
|
|
void processDN2URI(Suffix suffix, Entry oldEntry, Entry newEntry)
|
throws DatabaseException
|
{
|
DN2URI dn2uri = suffix.getDN2URI();
|
if(oldEntry != null)
|
{
|
dn2uri.replaceEntry(null, oldEntry, newEntry);
|
}
|
else
|
{
|
dn2uri.addEntry(null, newEntry);
|
}
|
}
|
}
|
|
|
/**
|
* This task reads sorted records from the temporary index scratch files,
|
* processes the records and writes the results to the index database. The
|
* DN index is treated differently then non-DN indexes.
|
*/
|
private final class IndexDBWriteTask implements Callable<Void>
|
{
|
private final IndexManager indexMgr;
|
private final DatabaseEntry dbKey, dbValue;
|
private final int cacheSize;
|
private final Map<Integer, DNState> dnStateMap =
|
new HashMap<Integer, DNState>();
|
private final Map<Integer, Index> indexMap = new HashMap<Integer, Index>();
|
private final Semaphore permits;
|
private final int maxPermits;
|
private final AtomicLong bytesRead = new AtomicLong();
|
private long lastBytesRead = 0;
|
private final AtomicInteger keyCount = new AtomicInteger();
|
private RandomAccessFile bufferFile = null;
|
private DataInputStream bufferIndexFile = null;
|
private int remainingBuffers;
|
private volatile int totalBatches;
|
private AtomicInteger batchNumber = new AtomicInteger();
|
private int nextBufferID;
|
private int ownedPermits;
|
private volatile boolean isRunning = false;
|
|
|
/**
|
* Creates a new index DB writer.
|
*
|
* @param indexMgr
|
* The index manager.
|
* @param permits
|
* The semaphore used for restricting the number of buffer
|
* allocations.
|
* @param maxPermits
|
* The maximum number of buffers which can be allocated.
|
* @param cacheSize
|
* The buffer cache size.
|
*/
|
public IndexDBWriteTask(IndexManager indexMgr, Semaphore permits,
|
int maxPermits, int cacheSize)
|
{
|
this.indexMgr = indexMgr;
|
this.permits = permits;
|
this.maxPermits = maxPermits;
|
this.cacheSize = cacheSize;
|
|
this.dbKey = new DatabaseEntry();
|
this.dbValue = new DatabaseEntry();
|
}
|
|
|
|
/**
|
* Initializes this task.
|
*
|
* @throws IOException
|
* If an IO error occurred.
|
*/
|
public void beginWriteTask() throws IOException
|
{
|
bufferFile = new RandomAccessFile(indexMgr.getBufferFile(), "r");
|
bufferIndexFile = new DataInputStream(new BufferedInputStream(
|
new FileInputStream(indexMgr.getBufferIndexFile())));
|
|
remainingBuffers = indexMgr.getNumberOfBuffers();
|
totalBatches = (remainingBuffers / maxPermits) + 1;
|
batchNumber.set(0);
|
nextBufferID = 0;
|
ownedPermits = 0;
|
|
Message message = NOTE_JEB_IMPORT_LDIF_INDEX_STARTED.get(
|
indexMgr.getBufferFileName(), remainingBuffers, totalBatches);
|
logError(message);
|
|
indexMgr.setIndexDBWriteTask(this);
|
isRunning = true;
|
}
|
|
|
|
/**
|
* Returns the next batch of buffers to be processed, blocking until enough
|
* buffer permits are available.
|
*
|
* @return The next batch of buffers, or {@code null} if there are no more
|
* buffers to be processed.
|
* @throws Exception
|
* If an exception occurred.
|
*/
|
public NavigableSet<IndexInputBuffer> getNextBufferBatch() throws Exception
|
{
|
// First release any previously acquired permits.
|
if (ownedPermits > 0)
|
{
|
permits.release(ownedPermits);
|
ownedPermits = 0;
|
}
|
|
// Block until we can either get enough permits for all buffers, or the
|
// maximum number of permits.
|
final int permitRequest = Math.min(remainingBuffers, maxPermits);
|
if (permitRequest == 0)
|
{
|
// No more work to do.
|
return null;
|
}
|
permits.acquire(permitRequest);
|
|
// Update counters.
|
ownedPermits = permitRequest;
|
remainingBuffers -= permitRequest;
|
batchNumber.incrementAndGet();
|
|
// Create all the index buffers for the next batch.
|
final NavigableSet<IndexInputBuffer> buffers =
|
new TreeSet<IndexInputBuffer>();
|
for (int i = 0; i < permitRequest; i++)
|
{
|
final long bufferBegin = bufferIndexFile.readLong();
|
final long bufferEnd = bufferIndexFile.readLong();
|
final IndexInputBuffer b = new IndexInputBuffer(indexMgr,
|
bufferFile.getChannel(), bufferBegin, bufferEnd, nextBufferID++,
|
cacheSize);
|
buffers.add(b);
|
}
|
|
return buffers;
|
}
|
|
|
|
/**
|
* Finishes this task.
|
*/
|
public void endWriteTask()
|
{
|
isRunning = false;
|
|
// First release any previously acquired permits.
|
if (ownedPermits > 0)
|
{
|
permits.release(ownedPermits);
|
ownedPermits = 0;
|
}
|
|
try
|
{
|
if (indexMgr.isDN2ID())
|
{
|
for (DNState dnState : dnStateMap.values())
|
{
|
dnState.flush();
|
}
|
if(!isCanceled)
|
{
|
Message msg = NOTE_JEB_IMPORT_LDIF_DN_CLOSE
|
.get(indexMgr.getDNCount());
|
logError(msg);
|
}
|
}
|
else
|
{
|
for (Index index : indexMap.values())
|
{
|
index.closeCursor();
|
}
|
if(!isCanceled)
|
{
|
Message message = NOTE_JEB_IMPORT_LDIF_INDEX_CLOSE.get(indexMgr
|
.getBufferFileName());
|
logError(message);
|
}
|
}
|
}
|
finally
|
{
|
if (bufferFile != null)
|
{
|
try
|
{
|
bufferFile.close();
|
}
|
catch (IOException ignored)
|
{
|
// Ignore.
|
}
|
}
|
|
if (bufferIndexFile != null)
|
{
|
try
|
{
|
bufferIndexFile.close();
|
}
|
catch (IOException ignored)
|
{
|
// Ignore.
|
}
|
}
|
|
indexMgr.getBufferFile().delete();
|
indexMgr.getBufferIndexFile().delete();
|
}
|
}
|
|
|
|
/**
|
* Print out progress stats.
|
*
|
* @param deltaTime
|
* The time since the last update.
|
*/
|
public void printStats(long deltaTime)
|
{
|
if (isRunning)
|
{
|
final long bufferFileSize = indexMgr.getBufferFileSize();
|
final long tmpBytesRead = bytesRead.get();
|
final int currentBatch = batchNumber.get();
|
|
final long bytesReadInterval = tmpBytesRead - lastBytesRead;
|
final int bytesReadPercent = Math.round((100f * tmpBytesRead)
|
/ bufferFileSize);
|
|
// Kilo and milli approximately cancel out.
|
final long kiloBytesRate = bytesReadInterval / deltaTime;
|
final long kiloBytesRemaining = (bufferFileSize - tmpBytesRead) / 1024;
|
|
Message message = NOTE_JEB_IMPORT_LDIF_PHASE_TWO_REPORT.get(
|
indexMgr.getBufferFileName(), bytesReadPercent, kiloBytesRemaining,
|
kiloBytesRate, currentBatch, totalBatches);
|
logError(message);
|
|
lastBytesRead = tmpBytesRead;
|
}
|
}
|
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override
|
public Void call() throws Exception
|
{
|
Thread.setDefaultUncaughtExceptionHandler(new DefaultExceptionHandler());
|
|
ByteBuffer key = null;
|
ImportIDSet insertIDSet = null;
|
ImportIDSet deleteIDSet = null;
|
Integer indexID = null;
|
|
if(isCanceled)
|
{
|
return null;
|
}
|
|
try
|
{
|
beginWriteTask();
|
|
NavigableSet<IndexInputBuffer> bufferSet;
|
while ((bufferSet = getNextBufferBatch()) != null)
|
{
|
if(isCanceled)
|
{
|
return null;
|
}
|
|
while (!bufferSet.isEmpty())
|
{
|
IndexInputBuffer b = bufferSet.pollFirst();
|
if (key == null)
|
{
|
indexID = b.getIndexID();
|
|
if (indexMgr.isDN2ID())
|
{
|
insertIDSet = new ImportIDSet(1, 1, false);
|
deleteIDSet = new ImportIDSet(1, 1, false);
|
}
|
else
|
{
|
Index index = (Index) idContainerMap.get(indexID);
|
int limit = index.getIndexEntryLimit();
|
boolean doCount = index.getMaintainCount();
|
insertIDSet = new ImportIDSet(1, limit, doCount);
|
deleteIDSet = new ImportIDSet(1, limit, doCount);
|
}
|
|
key = ByteBuffer.allocate(b.getKeyLen());
|
key.flip();
|
b.getKey(key);
|
|
b.mergeIDSet(insertIDSet);
|
b.mergeIDSet(deleteIDSet);
|
insertIDSet.setKey(key);
|
deleteIDSet.setKey(key);
|
}
|
else if (b.compare(key, indexID) != 0)
|
{
|
addToDB(insertIDSet, deleteIDSet, indexID);
|
keyCount.incrementAndGet();
|
|
indexID = b.getIndexID();
|
|
if (indexMgr.isDN2ID())
|
{
|
insertIDSet = new ImportIDSet(1, 1, false);
|
deleteIDSet = new ImportIDSet(1, 1, false);
|
}
|
else
|
{
|
Index index = (Index) idContainerMap.get(indexID);
|
int limit = index.getIndexEntryLimit();
|
boolean doCount = index.getMaintainCount();
|
insertIDSet = new ImportIDSet(1, limit, doCount);
|
deleteIDSet = new ImportIDSet(1, limit, doCount);
|
}
|
|
key.clear();
|
if (b.getKeyLen() > key.capacity())
|
{
|
key = ByteBuffer.allocate(b.getKeyLen());
|
}
|
key.flip();
|
b.getKey(key);
|
|
b.mergeIDSet(insertIDSet);
|
b.mergeIDSet(deleteIDSet);
|
insertIDSet.setKey(key);
|
deleteIDSet.setKey(key);
|
}
|
else
|
{
|
b.mergeIDSet(insertIDSet);
|
b.mergeIDSet(deleteIDSet);
|
}
|
|
if (b.hasMoreData())
|
{
|
b.getNextRecord();
|
bufferSet.add(b);
|
}
|
}
|
|
if (key != null)
|
{
|
addToDB(insertIDSet, deleteIDSet, indexID);
|
}
|
}
|
}
|
catch (Exception e)
|
{
|
Message message = ERR_JEB_IMPORT_LDIF_INDEX_WRITE_DB_ERR.get(
|
indexMgr.getBufferFileName(), e.getMessage());
|
logError(message);
|
e.printStackTrace();
|
throw e;
|
}
|
finally
|
{
|
endWriteTask();
|
|
// Clear the default exception handler.
|
Thread.setDefaultUncaughtExceptionHandler(null);
|
}
|
return null;
|
}
|
|
|
private void addToDB(ImportIDSet insertSet, ImportIDSet deleteSet,
|
int indexID)
|
{
|
if(!indexMgr.isDN2ID())
|
{
|
Index index;
|
if((deleteSet.size() > 0) || (!deleteSet.isDefined()))
|
{
|
dbKey.setData(deleteSet.getKey().array(), 0,
|
deleteSet.getKey().limit());
|
index = (Index)idContainerMap.get(indexID);
|
index.delete(dbKey, deleteSet, dbValue);
|
if(!indexMap.containsKey(indexID))
|
{
|
indexMap.put(indexID, index);
|
}
|
}
|
if((insertSet.size() > 0) || (!insertSet.isDefined()))
|
{
|
dbKey.setData(insertSet.getKey().array(), 0,
|
insertSet.getKey().limit());
|
index = (Index)idContainerMap.get(indexID);
|
index.insert(dbKey, insertSet, dbValue);
|
if(!indexMap.containsKey(indexID))
|
{
|
indexMap.put(indexID, index);
|
}
|
}
|
}
|
else
|
{
|
addDN2ID(insertSet, indexID);
|
}
|
}
|
|
|
private void addDN2ID(ImportIDSet record, Integer indexID)
|
{
|
DNState dnState;
|
if(!dnStateMap.containsKey(indexID))
|
{
|
dnState = new DNState(idECMap.get(indexID));
|
dnStateMap.put(indexID, dnState);
|
}
|
else
|
{
|
dnState = dnStateMap.get(indexID);
|
}
|
if(!dnState.checkParent(record))
|
{
|
return;
|
}
|
dnState.writeToDB();
|
}
|
|
|
|
private void addBytesRead(int bytesRead)
|
{
|
this.bytesRead.addAndGet(bytesRead);
|
}
|
|
|
|
/**
|
* This class is used to by a index DB merge thread performing DN processing
|
* to keep track of the state of individual DN2ID index processing.
|
*/
|
class DNState
|
{
|
private static final int DN_STATE_CACHE_SIZE = 64 * KB;
|
|
private ByteBuffer parentDN, lastDN;
|
private EntryID parentID, lastID, entryID;
|
private final DatabaseEntry dnKey, dnValue;
|
private final TreeMap<ByteBuffer, EntryID> parentIDMap;
|
private final EntryContainer entryContainer;
|
private final Map<byte[], ImportIDSet> id2childTree;
|
private final Map<byte[], ImportIDSet> id2subtreeTree;
|
private final int childLimit, subTreeLimit;
|
private final boolean childDoCount, subTreeDoCount;
|
|
|
DNState(EntryContainer entryContainer)
|
{
|
this.entryContainer = entryContainer;
|
parentIDMap = new TreeMap<ByteBuffer, EntryID>();
|
Comparator<byte[]> childComparator =
|
entryContainer.getID2Children().getComparator();
|
id2childTree = new TreeMap<byte[], ImportIDSet>(childComparator);
|
childLimit = entryContainer.getID2Children().getIndexEntryLimit();
|
childDoCount = entryContainer.getID2Children().getMaintainCount();
|
Comparator<byte[]> subComparator =
|
entryContainer.getID2Subtree().getComparator();
|
subTreeLimit = entryContainer.getID2Subtree().getIndexEntryLimit();
|
subTreeDoCount = entryContainer.getID2Subtree().getMaintainCount();
|
id2subtreeTree = new TreeMap<byte[], ImportIDSet>(subComparator);
|
dnKey = new DatabaseEntry();
|
dnValue = new DatabaseEntry();
|
lastDN = ByteBuffer.allocate(BYTE_BUFFER_CAPACITY);
|
}
|
|
|
private ByteBuffer getParent(ByteBuffer buffer)
|
{
|
int parentIndex =
|
JebFormat.findDNKeyParent(buffer.array(), 0, buffer.limit());
|
if(parentIndex < 0)
|
{
|
// This is the root or base DN
|
return null;
|
}
|
ByteBuffer parent = buffer.duplicate();
|
parent.limit(parentIndex);
|
return parent;
|
}
|
|
private ByteBuffer deepCopy(ByteBuffer srcBuffer, ByteBuffer destBuffer)
|
{
|
if(destBuffer == null ||
|
destBuffer.clear().remaining() < srcBuffer.limit())
|
{
|
byte[] bytes = new byte[srcBuffer.limit()];
|
System.arraycopy(srcBuffer.array(), 0, bytes, 0,
|
srcBuffer.limit());
|
return ByteBuffer.wrap(bytes);
|
}
|
else
|
{
|
destBuffer.put(srcBuffer);
|
destBuffer.flip();
|
return destBuffer;
|
}
|
}
|
|
// Why do we still need this if we are checking parents in the first
|
// phase?
|
private boolean checkParent(ImportIDSet record) throws DatabaseException
|
{
|
dnKey.setData(record.getKey().array(), 0 , record.getKey().limit());
|
byte[] v = record.toDatabase();
|
long v1 = JebFormat.entryIDFromDatabase(v);
|
dnValue.setData(v);
|
|
entryID = new EntryID(v1);
|
parentDN = getParent(record.getKey());
|
|
//Bypass the cache for append data, lookup the parent in DN2ID and
|
//return.
|
if(importConfiguration != null &&
|
importConfiguration.appendToExistingData())
|
{
|
//If null is returned than this is a suffix DN.
|
if(parentDN != null)
|
{
|
DatabaseEntry key =
|
new DatabaseEntry(parentDN.array(), 0 , parentDN.limit());
|
DatabaseEntry value = new DatabaseEntry();
|
OperationStatus status;
|
status =
|
entryContainer.getDN2ID().read(null, key, value,
|
LockMode.DEFAULT);
|
if(status == OperationStatus.SUCCESS)
|
{
|
parentID = new EntryID(value);
|
}
|
else
|
{
|
// We have a missing parent. Maybe parent checking was turned off?
|
// Just ignore.
|
parentID = null;
|
return false;
|
}
|
}
|
}
|
else
|
{
|
if(parentIDMap.isEmpty())
|
{
|
parentIDMap.put(deepCopy(record.getKey(), null), entryID);
|
return true;
|
}
|
else if(lastDN != null && lastDN.equals(parentDN))
|
{
|
parentIDMap.put(deepCopy(lastDN, null), lastID);
|
parentID = lastID;
|
lastDN = deepCopy(record.getKey(), lastDN);
|
lastID = entryID;
|
return true;
|
}
|
else if(parentIDMap.lastKey().equals(parentDN))
|
{
|
parentID = parentIDMap.get(parentDN);
|
lastDN = deepCopy(record.getKey(), lastDN);
|
lastID = entryID;
|
return true;
|
}
|
else
|
{
|
if(parentIDMap.containsKey(parentDN))
|
{
|
EntryID newParentID = parentIDMap.get(parentDN);
|
ByteBuffer key = parentIDMap.lastKey();
|
while(!parentDN.equals(key)) {
|
parentIDMap.remove(key);
|
key = parentIDMap.lastKey();
|
}
|
parentIDMap.put(deepCopy(record.getKey(), null), entryID);
|
parentID = newParentID;
|
lastDN = deepCopy(record.getKey(), lastDN);
|
lastID = entryID;
|
}
|
else
|
{
|
// We have a missing parent. Maybe parent checking was turned off?
|
// Just ignore.
|
parentID = null;
|
return false;
|
}
|
}
|
}
|
return true;
|
}
|
|
|
private void id2child(EntryID childID)
|
{
|
ImportIDSet idSet;
|
if(!id2childTree.containsKey(parentID.getDatabaseEntry().getData()))
|
{
|
idSet = new ImportIDSet(1,childLimit, childDoCount);
|
id2childTree.put(parentID.getDatabaseEntry().getData(), idSet);
|
}
|
else
|
{
|
idSet = id2childTree.get(parentID.getDatabaseEntry().getData());
|
}
|
idSet.addEntryID(childID);
|
if(id2childTree.size() > DN_STATE_CACHE_SIZE)
|
{
|
flushMapToDB(id2childTree, entryContainer.getID2Children(), true);
|
}
|
}
|
|
|
private EntryID getParentID(ByteBuffer dn) throws DatabaseException
|
{
|
EntryID nodeID;
|
//Bypass the cache for append data, lookup the parent DN in the DN2ID
|
//db.
|
if (importConfiguration != null &&
|
importConfiguration.appendToExistingData())
|
{
|
DatabaseEntry key = new DatabaseEntry(dn.array(), 0, dn.limit());
|
DatabaseEntry value = new DatabaseEntry();
|
OperationStatus status;
|
status =
|
entryContainer.getDN2ID().read(null, key, value,
|
LockMode.DEFAULT);
|
if(status == OperationStatus.SUCCESS)
|
{
|
nodeID = new EntryID(value);
|
}
|
else
|
{
|
nodeID = null;
|
}
|
}
|
else
|
{
|
nodeID = parentIDMap.get(dn);
|
}
|
return nodeID;
|
}
|
|
|
private void id2SubTree(EntryID childID)
|
{
|
ImportIDSet idSet;
|
if(!id2subtreeTree.containsKey(parentID.getDatabaseEntry().getData()))
|
{
|
idSet = new ImportIDSet(1, subTreeLimit, subTreeDoCount);
|
id2subtreeTree.put(parentID.getDatabaseEntry().getData(), idSet);
|
}
|
else
|
{
|
idSet = id2subtreeTree.get(parentID.getDatabaseEntry().getData());
|
}
|
idSet.addEntryID(childID);
|
// TODO:
|
// Instead of doing this, we can just walk to parent cache if available
|
for (ByteBuffer dn = getParent(parentDN); dn != null;
|
dn = getParent(dn))
|
{
|
EntryID nodeID = getParentID(dn);
|
if(nodeID == null)
|
{
|
// We have a missing parent. Maybe parent checking was turned off?
|
// Just ignore.
|
break;
|
}
|
if(!id2subtreeTree.containsKey(nodeID.getDatabaseEntry().getData()))
|
{
|
idSet = new ImportIDSet(1, subTreeLimit, subTreeDoCount);
|
id2subtreeTree.put(nodeID.getDatabaseEntry().getData(), idSet);
|
}
|
else
|
{
|
idSet = id2subtreeTree.get(nodeID.getDatabaseEntry().getData());
|
}
|
idSet.addEntryID(childID);
|
}
|
if (id2subtreeTree.size() > DN_STATE_CACHE_SIZE)
|
{
|
flushMapToDB(id2subtreeTree, entryContainer.getID2Subtree(), true);
|
}
|
}
|
|
|
public void writeToDB()
|
{
|
entryContainer.getDN2ID().put(null, dnKey, dnValue);
|
indexMgr.addTotDNCount(1);
|
if(parentDN != null)
|
{
|
id2child(entryID);
|
id2SubTree(entryID);
|
}
|
}
|
|
|
private void flushMapToDB(Map<byte[], ImportIDSet> map, Index index,
|
boolean clearMap)
|
{
|
for(Map.Entry<byte[], ImportIDSet> e : map.entrySet())
|
{
|
byte[] key = e.getKey();
|
ImportIDSet idSet = e.getValue();
|
dnKey.setData(key);
|
index.insert(dnKey, idSet, dnValue);
|
}
|
index.closeCursor();
|
if(clearMap)
|
{
|
map.clear();
|
}
|
}
|
|
|
public void flush()
|
{
|
flushMapToDB(id2childTree, entryContainer.getID2Children(), false);
|
flushMapToDB(id2subtreeTree, entryContainer.getID2Subtree(), false);
|
}
|
}
|
}
|
|
|
/**
|
* This task writes the temporary scratch index files using the sorted
|
* buffers read from a blocking queue private to each index.
|
*/
|
private final class ScratchFileWriterTask implements Callable<Void>
|
{
|
private final int DRAIN_TO = 3;
|
private final IndexManager indexMgr;
|
private final BlockingQueue<IndexOutputBuffer> queue;
|
private final ByteArrayOutputStream insertByteStream =
|
new ByteArrayOutputStream(2 * bufferSize);
|
private final ByteArrayOutputStream deleteByteStream =
|
new ByteArrayOutputStream(2 * bufferSize);
|
private final DataOutputStream bufferStream;
|
private final DataOutputStream bufferIndexStream;
|
private final byte[] tmpArray = new byte[8];
|
private int insertKeyCount = 0, deleteKeyCount = 0;
|
private int bufferCount = 0;
|
private final SortedSet<IndexOutputBuffer> indexSortedSet;
|
private boolean poisonSeen = false;
|
|
|
public ScratchFileWriterTask(BlockingQueue<IndexOutputBuffer> queue,
|
IndexManager indexMgr) throws FileNotFoundException
|
{
|
this.queue = queue;
|
this.indexMgr = indexMgr;
|
this.bufferStream = new DataOutputStream(new BufferedOutputStream(
|
new FileOutputStream(indexMgr.getBufferFile()),
|
READER_WRITER_BUFFER_SIZE));
|
this.bufferIndexStream = new DataOutputStream(new BufferedOutputStream(
|
new FileOutputStream(indexMgr.getBufferIndexFile()),
|
READER_WRITER_BUFFER_SIZE));
|
this.indexSortedSet = new TreeSet<IndexOutputBuffer>();
|
}
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override
|
public Void call() throws IOException, InterruptedException
|
{
|
long offset = 0;
|
List<IndexOutputBuffer> l = new LinkedList<IndexOutputBuffer>();
|
try {
|
while(true)
|
{
|
final IndexOutputBuffer indexBuffer = queue.take();
|
long beginOffset = offset;
|
long bufferLen;
|
if(!queue.isEmpty())
|
{
|
queue.drainTo(l, DRAIN_TO);
|
l.add(indexBuffer);
|
bufferLen = writeIndexBuffers(l);
|
for(IndexOutputBuffer id : l)
|
{
|
if(!id.isDiscard())
|
{
|
id.reset();
|
freeBufferQueue.add(id);
|
}
|
}
|
l.clear();
|
}
|
else
|
{
|
if(indexBuffer.isPoison())
|
{
|
break;
|
}
|
bufferLen = writeIndexBuffer(indexBuffer);
|
if(!indexBuffer.isDiscard())
|
{
|
indexBuffer.reset();
|
freeBufferQueue.add(indexBuffer);
|
}
|
}
|
offset += bufferLen;
|
|
// Write buffer index information.
|
bufferIndexStream.writeLong(beginOffset);
|
bufferIndexStream.writeLong(offset);
|
|
bufferCount++;
|
Importer.this.bufferCount.incrementAndGet();
|
|
if(poisonSeen)
|
{
|
break;
|
}
|
}
|
}
|
catch (IOException e)
|
{
|
Message message = ERR_JEB_IMPORT_LDIF_INDEX_FILEWRITER_ERR.get(indexMgr
|
.getBufferFile().getAbsolutePath(), e.getMessage());
|
logError(message);
|
isCanceled = true;
|
throw e;
|
}
|
finally
|
{
|
bufferStream.close();
|
bufferIndexStream.close();
|
indexMgr.setBufferInfo(bufferCount, indexMgr.getBufferFile().length());
|
}
|
return null;
|
}
|
|
|
private long writeIndexBuffer(IndexOutputBuffer indexBuffer)
|
throws IOException
|
{
|
int numberKeys = indexBuffer.getNumberKeys();
|
indexBuffer.setPosition(-1);
|
long bufferLen = 0;
|
insertByteStream.reset(); insertKeyCount = 0;
|
deleteByteStream.reset(); deleteKeyCount = 0;
|
for(int i = 0; i < numberKeys; i++)
|
{
|
if(indexBuffer.getPosition() == -1)
|
{
|
indexBuffer.setPosition(i);
|
if(indexBuffer.isInsert(i))
|
{
|
indexBuffer.writeID(insertByteStream, i);
|
insertKeyCount++;
|
}
|
else
|
{
|
indexBuffer.writeID(deleteByteStream, i);
|
deleteKeyCount++;
|
}
|
continue;
|
}
|
if(!indexBuffer.compare(i))
|
{
|
bufferLen += writeRecord(indexBuffer);
|
indexBuffer.setPosition(i);
|
insertByteStream.reset();insertKeyCount = 0;
|
deleteByteStream.reset();deleteKeyCount = 0;
|
}
|
if(indexBuffer.isInsert(i))
|
{
|
if(insertKeyCount++ <= indexMgr.getLimit())
|
{
|
indexBuffer.writeID(insertByteStream, i);
|
}
|
}
|
else
|
{
|
indexBuffer.writeID(deleteByteStream, i);
|
deleteKeyCount++;
|
}
|
}
|
if(indexBuffer.getPosition() != -1)
|
{
|
bufferLen += writeRecord(indexBuffer);
|
}
|
return bufferLen;
|
}
|
|
|
private long writeIndexBuffers(List<IndexOutputBuffer> buffers)
|
throws IOException
|
{
|
long id = 0;
|
long bufferLen = 0;
|
insertByteStream.reset(); insertKeyCount = 0;
|
deleteByteStream.reset(); deleteKeyCount = 0;
|
for(IndexOutputBuffer b : buffers)
|
{
|
if(b.isPoison())
|
{
|
poisonSeen = true;
|
}
|
else
|
{
|
b.setPosition(0);
|
b.setID(id++);
|
indexSortedSet.add(b);
|
}
|
}
|
byte[] saveKey = null;
|
int saveIndexID = 0;
|
while(!indexSortedSet.isEmpty())
|
{
|
IndexOutputBuffer b = indexSortedSet.first();
|
indexSortedSet.remove(b);
|
if(saveKey == null)
|
{
|
saveKey = b.getKey();
|
saveIndexID = b.getIndexID();
|
if(b.isInsert(b.getPosition()))
|
{
|
b.writeID(insertByteStream, b.getPosition());
|
insertKeyCount++;
|
}
|
else
|
{
|
b.writeID(deleteByteStream, b.getPosition());
|
deleteKeyCount++;
|
}
|
}
|
else
|
{
|
if(!b.compare(saveKey, saveIndexID))
|
{
|
bufferLen += writeRecord(saveKey, saveIndexID);
|
insertByteStream.reset();
|
deleteByteStream.reset();
|
insertKeyCount = 0;
|
deleteKeyCount = 0;
|
saveKey = b.getKey();
|
saveIndexID = b.getIndexID();
|
if(b.isInsert(b.getPosition()))
|
{
|
b.writeID(insertByteStream, b.getPosition());
|
insertKeyCount++;
|
}
|
else
|
{
|
b.writeID(deleteByteStream, b.getPosition());
|
deleteKeyCount++;
|
}
|
}
|
else
|
{
|
if(b.isInsert(b.getPosition()))
|
{
|
if(insertKeyCount++ <= indexMgr.getLimit())
|
{
|
b.writeID(insertByteStream, b.getPosition());
|
}
|
}
|
else
|
{
|
b.writeID(deleteByteStream, b.getPosition());
|
deleteKeyCount++;
|
}
|
}
|
}
|
if(b.hasMoreData())
|
{
|
b.getNextRecord();
|
indexSortedSet.add(b);
|
}
|
}
|
if(saveKey != null)
|
{
|
bufferLen += writeRecord(saveKey, saveIndexID);
|
}
|
return bufferLen;
|
}
|
|
|
private int writeByteStreams() throws IOException
|
{
|
if(insertKeyCount > indexMgr.getLimit())
|
{
|
insertKeyCount = 1;
|
insertByteStream.reset();
|
PackedInteger.writeInt(tmpArray, 0, -1);
|
insertByteStream.write(tmpArray, 0, 1);
|
}
|
int insertSize = PackedInteger.getWriteIntLength(insertKeyCount);
|
PackedInteger.writeInt(tmpArray, 0, insertKeyCount);
|
bufferStream.write(tmpArray, 0, insertSize);
|
if(insertByteStream.size() > 0)
|
{
|
insertByteStream.writeTo(bufferStream);
|
}
|
int deleteSize = PackedInteger.getWriteIntLength(deleteKeyCount);
|
PackedInteger.writeInt(tmpArray, 0, deleteKeyCount);
|
bufferStream.write(tmpArray, 0, deleteSize);
|
if(deleteByteStream.size() > 0)
|
{
|
deleteByteStream.writeTo(bufferStream);
|
}
|
return insertSize + deleteSize;
|
}
|
|
|
private int writeHeader(int indexID, int keySize) throws IOException
|
{
|
bufferStream.writeInt(indexID);
|
int packedSize = PackedInteger.getWriteIntLength(keySize);
|
PackedInteger.writeInt(tmpArray, 0, keySize);
|
bufferStream.write(tmpArray, 0, packedSize);
|
return packedSize;
|
}
|
|
|
private int writeRecord(IndexOutputBuffer b) throws IOException
|
{
|
int keySize = b.getKeySize();
|
int packedSize = writeHeader(b.getIndexID(), keySize);
|
b.writeKey(bufferStream);
|
packedSize += writeByteStreams();
|
return (packedSize + keySize + insertByteStream.size() +
|
deleteByteStream.size() + 4);
|
}
|
|
|
private int writeRecord(byte[] k, int indexID) throws IOException
|
{
|
int packedSize = writeHeader(indexID, k.length);
|
bufferStream.write(k);
|
packedSize += writeByteStreams();
|
return (packedSize + k.length + insertByteStream.size() +
|
deleteByteStream.size() + 4);
|
}
|
}
|
|
|
/**
|
* This task main function is to sort the index buffers given to it from
|
* the import tasks reading the LDIF file. It will also create a index
|
* file writer task and corresponding queue if needed. The sorted index
|
* buffers are put on the index file writer queues for writing to a temporary
|
* file.
|
*/
|
private final class SortTask implements Callable<Void>
|
{
|
|
private final IndexOutputBuffer indexBuffer;
|
|
public SortTask(IndexOutputBuffer indexBuffer)
|
{
|
this.indexBuffer = indexBuffer;
|
}
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override
|
public Void call() throws Exception
|
{
|
if (importConfiguration != null && importConfiguration.isCancelled()
|
|| isCanceled)
|
{
|
isCanceled = true;
|
return null;
|
}
|
indexBuffer.sort();
|
if (indexKeyQueMap.containsKey(indexBuffer.getIndexKey()))
|
{
|
BlockingQueue<IndexOutputBuffer> q = indexKeyQueMap.get(indexBuffer
|
.getIndexKey());
|
q.add(indexBuffer);
|
}
|
else
|
{
|
createIndexWriterTask(indexBuffer.getIndexKey());
|
BlockingQueue<IndexOutputBuffer> q = indexKeyQueMap.get(indexBuffer
|
.getIndexKey());
|
q.add(indexBuffer);
|
}
|
return null;
|
}
|
|
private void createIndexWriterTask(IndexKey indexKey)
|
throws FileNotFoundException
|
{
|
boolean isDN = false;
|
synchronized(synObj)
|
{
|
if(indexKeyQueMap.containsKey(indexKey))
|
{
|
return;
|
}
|
if(indexKey.getIndexType().equals(ImportIndexType.DN))
|
{
|
isDN = true;
|
}
|
IndexManager indexMgr = new IndexManager(indexKey.getName(), isDN,
|
indexKey.getEntryLimit());
|
if(isDN)
|
{
|
DNIndexMgrList.add(indexMgr);
|
}
|
else
|
{
|
indexMgrList.add(indexMgr);
|
}
|
BlockingQueue<IndexOutputBuffer> newQue =
|
new ArrayBlockingQueue<IndexOutputBuffer>(phaseOneBufferCount);
|
ScratchFileWriterTask indexWriter =
|
new ScratchFileWriterTask(newQue, indexMgr);
|
scratchFileWriterList.add(indexWriter);
|
scratchFileWriterFutures.add(
|
scratchFileWriterService.submit(indexWriter));
|
indexKeyQueMap.put(indexKey, newQue);
|
}
|
}
|
}
|
|
/**
|
* The index manager class has several functions:
|
*
|
* 1. It used to carry information about index processing created in phase
|
* one to phase two.
|
*
|
* 2. It collects statistics about phase two processing for each index.
|
*
|
* 3. It manages opening and closing the scratch index files.
|
*/
|
final class IndexManager implements Comparable<IndexManager>
|
{
|
private final File bufferFile;
|
private final String bufferFileName;
|
private final File bufferIndexFile;
|
private final String bufferIndexFileName;
|
private long bufferFileSize;
|
private long totalDNS;
|
private final boolean isDN;
|
private final int limit;
|
private int numberOfBuffers = 0;
|
private volatile IndexDBWriteTask writer = null;
|
|
private IndexManager(String fileName, boolean isDN, int limit)
|
{
|
this.bufferFileName = fileName;
|
this.bufferIndexFileName = fileName + ".index";
|
|
this.bufferFile = new File(tempDir, bufferFileName);
|
this.bufferIndexFile = new File(tempDir, bufferIndexFileName);
|
|
this.isDN = isDN;
|
if (limit > 0)
|
{
|
this.limit = limit;
|
}
|
else
|
{
|
this.limit = Integer.MAX_VALUE;
|
}
|
}
|
|
|
private void setIndexDBWriteTask(IndexDBWriteTask writer)
|
{
|
this.writer = writer;
|
}
|
|
|
private File getBufferFile()
|
{
|
return bufferFile;
|
}
|
|
|
|
private long getBufferFileSize()
|
{
|
return bufferFileSize;
|
}
|
|
|
|
private File getBufferIndexFile()
|
{
|
return bufferIndexFile;
|
}
|
|
|
private void setBufferInfo(int numberOfBuffers, long bufferFileSize)
|
{
|
this.numberOfBuffers = numberOfBuffers;
|
this.bufferFileSize = bufferFileSize;
|
}
|
|
|
|
/**
|
* Updates the bytes read counter.
|
*
|
* @param bytesRead
|
* The number of bytes read.
|
*/
|
void addBytesRead(int bytesRead)
|
{
|
if (writer != null)
|
{
|
writer.addBytesRead(bytesRead);
|
}
|
}
|
|
|
private void addTotDNCount(int delta)
|
{
|
totalDNS += delta;
|
}
|
|
|
private long getDNCount()
|
{
|
return totalDNS;
|
}
|
|
|
private boolean isDN2ID()
|
{
|
return isDN;
|
}
|
|
|
private void printStats(long deltaTime)
|
{
|
if (writer != null)
|
{
|
writer.printStats(deltaTime);
|
}
|
}
|
|
|
/**
|
* Returns the file name associated with this index manager.
|
*
|
* @return The file name associated with this index manager.
|
*/
|
String getBufferFileName()
|
{
|
return bufferFileName;
|
}
|
|
|
private int getLimit()
|
{
|
return limit;
|
}
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override
|
public int compareTo(IndexManager mgr)
|
{
|
return numberOfBuffers - mgr.numberOfBuffers;
|
}
|
|
|
|
private int getNumberOfBuffers()
|
{
|
return numberOfBuffers;
|
}
|
}
|
|
|
/**
|
* The rebuild index manager handles all rebuild index related processing.
|
*/
|
private class RebuildIndexManager extends ImportTask
|
implements DiskSpaceMonitorHandler
|
{
|
|
//Rebuild index configuration.
|
private final RebuildConfig rebuildConfig;
|
|
//Local DB backend configuration.
|
private final LocalDBBackendCfg cfg;
|
|
//Map of index keys to indexes.
|
private final Map<IndexKey, Index> indexMap =
|
new LinkedHashMap<IndexKey, Index>();
|
|
//Map of index keys to extensible indexes.
|
private final Map<IndexKey, Collection<Index>> extensibleIndexMap =
|
new LinkedHashMap<IndexKey, Collection<Index>>();
|
|
//List of VLV indexes.
|
private final List<VLVIndex> vlvIndexes = new LinkedList<VLVIndex>();
|
|
//The DN2ID index.
|
private DN2ID dn2id = null;
|
|
//The DN2URI index.
|
private DN2URI dn2uri = null;
|
|
//Total entries to be processed.
|
private long totalEntries =0;
|
|
//Total entries processed.
|
private final AtomicLong entriesProcessed = new AtomicLong(0);
|
|
//The suffix instance.
|
private Suffix suffix = null;
|
|
//The entry container.
|
private EntryContainer entryContainer;
|
|
|
/**
|
* Create an instance of the rebuild index manager using the specified
|
* parameters.
|
*
|
* @param rebuildConfig The rebuild configuration to use.
|
* @param cfg The local DB configuration to use.
|
*/
|
public RebuildIndexManager(RebuildConfig rebuildConfig,
|
LocalDBBackendCfg cfg)
|
{
|
this.rebuildConfig = rebuildConfig;
|
this.cfg = cfg;
|
}
|
|
|
/**
|
* Initialize a rebuild index manager.
|
*
|
* @throws ConfigException If an configuration error occurred.
|
* @throws InitializationException If an initialization error occurred.
|
*/
|
public void initialize() throws ConfigException, InitializationException
|
{
|
entryContainer =
|
rootContainer.getEntryContainer(rebuildConfig.getBaseDN());
|
suffix = Suffix.createSuffixContext(entryContainer, null, null, null);
|
if(suffix == null)
|
{
|
Message msg = ERR_JEB_REBUILD_SUFFIX_ERROR.get(rebuildConfig.
|
getBaseDN().toString());
|
throw new InitializationException(msg);
|
}
|
}
|
|
|
/**
|
* Print start message.
|
*
|
* @throws DatabaseException If an database error occurred.
|
*/
|
public void printStartMessage() throws DatabaseException
|
{
|
StringBuilder sb = new StringBuilder();
|
List<String> rebuildList = rebuildConfig.getRebuildList();
|
for(String index : rebuildList)
|
{
|
if(sb.length() > 0)
|
{
|
sb.append(", ");
|
}
|
sb.append(index);
|
}
|
totalEntries = suffix.getID2Entry().getRecordCount();
|
|
Message message;
|
switch (rebuildConfig.getRebuildMode()) {
|
case ALL:
|
message = NOTE_JEB_REBUILD_ALL_START.get(totalEntries);
|
break;
|
case DEGRADED:
|
message = NOTE_JEB_REBUILD_DEGRADED_START.get(totalEntries);
|
break;
|
default:
|
message = NOTE_JEB_REBUILD_START.get(sb.toString(), totalEntries);
|
break;
|
}
|
logError(message);
|
}
|
|
|
/**
|
* Print stop message.
|
*
|
* @param startTime The time the rebuild started.
|
*/
|
public void printStopMessage(long startTime)
|
{
|
long finishTime = System.currentTimeMillis();
|
long totalTime = (finishTime - startTime);
|
float rate = 0;
|
if (totalTime > 0)
|
{
|
rate = 1000f* entriesProcessed.get() / totalTime;
|
}
|
Message message =
|
NOTE_JEB_REBUILD_FINAL_STATUS.get(entriesProcessed.get(),
|
totalTime/1000, rate);
|
logError(message);
|
}
|
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override
|
public Void call() throws Exception
|
{
|
ID2Entry id2entry = entryContainer.getID2Entry();
|
DiskOrderedCursor cursor =
|
id2entry.openCursor(DiskOrderedCursorConfig.DEFAULT);
|
DatabaseEntry key = new DatabaseEntry();
|
DatabaseEntry data = new DatabaseEntry();
|
try {
|
while (cursor.getNext(key, data, null) == OperationStatus.SUCCESS)
|
{
|
if(isCanceled)
|
{
|
return null;
|
}
|
EntryID entryID = new EntryID(key);
|
Entry entry = ID2Entry.entryFromDatabase(
|
ByteString.wrap(data.getData()),
|
entryContainer.getRootContainer().getCompressedSchema());
|
processEntry(entry, entryID);
|
entriesProcessed.getAndIncrement();
|
}
|
flushIndexBuffers();
|
cursor.close();
|
}
|
catch (Exception e)
|
{
|
Message message =
|
ERR_JEB_IMPORT_LDIF_REBUILD_INDEX_TASK_ERR.get(e.getMessage());
|
logError(message);
|
isCanceled = true;
|
throw e;
|
}
|
finally
|
{
|
cursor.close();
|
}
|
return null;
|
}
|
|
|
|
/**
|
* Perform rebuild index processing.
|
*
|
* @throws DatabaseException
|
* If an database error occurred.
|
* @throws InterruptedException
|
* If an interrupted error occurred.
|
* @throws ExecutionException
|
* If an Excecution error occurred.
|
* @throws JebException
|
* If an JEB error occurred.
|
*/
|
public void rebuildIndexes() throws
|
DatabaseException, InterruptedException, ExecutionException,
|
JebException
|
{
|
switch (rebuildConfig.getRebuildMode())
|
{
|
case ALL:
|
setAllIndexesTrusted(false);
|
break;
|
case DEGRADED:
|
// Nothing to do: degraded indexes are already untrusted.
|
break;
|
default:
|
setRebuildListIndexesTrusted(false);
|
break;
|
}
|
|
phaseOne();
|
if (isCanceled)
|
{
|
throw new InterruptedException("Rebuild Index canceled.");
|
}
|
phaseTwo();
|
|
switch (rebuildConfig.getRebuildMode())
|
{
|
case ALL:
|
case DEGRADED:
|
setAllIndexesTrusted(true);
|
break;
|
default:
|
setRebuildListIndexesTrusted(true);
|
break;
|
}
|
}
|
|
|
private void setRebuildListIndexesTrusted(boolean trusted)
|
throws JebException
|
{
|
try
|
{
|
if(dn2id != null)
|
{
|
EntryContainer ec = suffix.getEntryContainer();
|
ec.getID2Children().setTrusted(null,trusted);
|
ec.getID2Subtree().setTrusted(null, trusted);
|
}
|
if(!indexMap.isEmpty())
|
{
|
for(Map.Entry<IndexKey, Index> mapEntry : indexMap.entrySet()) {
|
Index index = mapEntry.getValue();
|
index.setTrusted(null, trusted);
|
}
|
}
|
if(!vlvIndexes.isEmpty())
|
{
|
for(VLVIndex vlvIndex : vlvIndexes)
|
{
|
vlvIndex.setTrusted(null, trusted);
|
}
|
}
|
if(!extensibleIndexMap.isEmpty())
|
{
|
for(Collection<Index> subIndexes : extensibleIndexMap.values())
|
{
|
if(subIndexes != null) {
|
for(Index subIndex : subIndexes) {
|
subIndex.setTrusted(null, trusted);
|
}
|
}
|
}
|
}
|
}
|
catch (DatabaseException ex)
|
{
|
Message message =
|
NOTE_JEB_IMPORT_LDIF_TRUSTED_FAILED.get(ex.getMessage());
|
throw new JebException(message);
|
}
|
}
|
|
|
private void setAllIndexesTrusted(boolean trusted) throws JebException
|
{
|
try {
|
suffix.setIndexesTrusted(trusted);
|
}
|
catch (DatabaseException ex)
|
{
|
Message message =
|
NOTE_JEB_IMPORT_LDIF_TRUSTED_FAILED.get(ex.getMessage());
|
throw new JebException(message);
|
}
|
}
|
|
|
private void phaseOne() throws DatabaseException,
|
InterruptedException, ExecutionException {
|
switch (rebuildConfig.getRebuildMode())
|
{
|
case ALL:
|
clearAllIndexes(false);
|
break;
|
case DEGRADED:
|
clearAllIndexes(true);
|
break;
|
default:
|
clearRebuildListIndexes();
|
break;
|
}
|
|
initializeIndexBuffers();
|
RebuildFirstPhaseProgressTask progressTask =
|
new RebuildFirstPhaseProgressTask();
|
Timer timer = new Timer();
|
timer.scheduleAtFixedRate(progressTask, TIMER_INTERVAL, TIMER_INTERVAL);
|
scratchFileWriterService = Executors.newFixedThreadPool(2 * indexCount);
|
bufferSortService = Executors.newFixedThreadPool(threadCount);
|
ExecutorService rebuildIndexService =
|
Executors.newFixedThreadPool(threadCount);
|
List<Callable<Void>> tasks = new ArrayList<Callable<Void>>(threadCount);
|
for (int i = 0; i < threadCount; i++)
|
{
|
tasks.add(this);
|
}
|
List<Future<Void>> results = rebuildIndexService.invokeAll(tasks);
|
for (Future<Void> result : results) {
|
if(!result.isDone()) {
|
result.get();
|
}
|
}
|
stopScratchFileWriters();
|
for (Future<?> result : scratchFileWriterFutures)
|
{
|
if(!result.isDone()) {
|
result.get();
|
}
|
}
|
|
// Try to clear as much memory as possible.
|
rebuildIndexService.shutdown();
|
rebuildIndexService.awaitTermination(30, TimeUnit.SECONDS);
|
bufferSortService.shutdown();
|
bufferSortService.awaitTermination(30, TimeUnit.SECONDS);
|
scratchFileWriterService.shutdown();
|
scratchFileWriterService.awaitTermination(30, TimeUnit.SECONDS);
|
timer.cancel();
|
|
tasks.clear();
|
results.clear();
|
scratchFileWriterList.clear();
|
scratchFileWriterFutures.clear();
|
indexKeyQueMap.clear();
|
freeBufferQueue.clear();
|
}
|
|
|
|
private void phaseTwo()
|
throws InterruptedException, ExecutionException
|
{
|
SecondPhaseProgressTask progressTask = new SecondPhaseProgressTask(
|
entriesProcessed.get());
|
Timer timer2 = new Timer();
|
timer2.scheduleAtFixedRate(progressTask, TIMER_INTERVAL, TIMER_INTERVAL);
|
processIndexFiles();
|
timer2.cancel();
|
}
|
|
|
private int getIndexCount() throws ConfigException, JebException
|
{
|
switch (rebuildConfig.getRebuildMode())
|
{
|
case ALL:
|
return getTotalIndexCount(cfg);
|
case DEGRADED:
|
// FIXME: since the environment is not started we cannot determine which
|
// indexes are degraded. As a workaround, be conservative and assume all
|
// indexes need rebuilding.
|
return getTotalIndexCount(cfg);
|
default:
|
return getRebuildListIndexCount(cfg);
|
}
|
}
|
|
|
private int getRebuildListIndexCount(LocalDBBackendCfg cfg)
|
throws JebException, ConfigException
|
{
|
int indexCount = 0;
|
List<String> rebuildList = rebuildConfig.getRebuildList();
|
if(!rebuildList.isEmpty())
|
{
|
for (String index : rebuildList)
|
{
|
String lowerName = index.toLowerCase();
|
if (lowerName.equals("dn2id"))
|
{
|
indexCount += 3;
|
}
|
else if (lowerName.equals("dn2uri"))
|
{
|
indexCount++;
|
}
|
else if (lowerName.startsWith("vlv."))
|
{
|
if(lowerName.length() < 5)
|
{
|
Message msg = ERR_JEB_VLV_INDEX_NOT_CONFIGURED.get(lowerName);
|
throw new JebException(msg);
|
}
|
indexCount++;
|
} else if(lowerName.equals("id2subtree") ||
|
lowerName.equals("id2children"))
|
{
|
Message msg = ERR_JEB_ATTRIBUTE_INDEX_NOT_CONFIGURED.get(index);
|
throw new JebException(msg);
|
}
|
else
|
{
|
String[] attrIndexParts = lowerName.split("\\.");
|
if((attrIndexParts.length <= 0) || (attrIndexParts.length > 3))
|
{
|
Message msg = ERR_JEB_ATTRIBUTE_INDEX_NOT_CONFIGURED.get(index);
|
throw new JebException(msg);
|
}
|
AttributeType attrType =
|
DirectoryServer.getAttributeType(attrIndexParts[0]);
|
if (attrType == null)
|
{
|
Message msg = ERR_JEB_ATTRIBUTE_INDEX_NOT_CONFIGURED.get(index);
|
throw new JebException(msg);
|
}
|
if(attrIndexParts.length != 1)
|
{
|
if(attrIndexParts.length == 2)
|
{
|
if(attrIndexParts[1].equals("presence"))
|
{
|
indexCount++;
|
}
|
else if(attrIndexParts[1].equals("equality"))
|
{
|
indexCount++;
|
}
|
else if(attrIndexParts[1].equals("substring"))
|
{
|
indexCount++;
|
}
|
else if(attrIndexParts[1].equals("ordering"))
|
{
|
indexCount++;
|
}
|
else if(attrIndexParts[1].equals("approximate"))
|
{
|
indexCount++;
|
} else {
|
Message msg =
|
ERR_JEB_ATTRIBUTE_INDEX_NOT_CONFIGURED.get(index);
|
throw new JebException(msg);
|
}
|
}
|
else
|
{
|
boolean found = false;
|
String s = attrIndexParts[1] + "." + attrIndexParts[2];
|
for (String idx : cfg.listLocalDBIndexes())
|
{
|
LocalDBIndexCfg indexCfg = cfg.getLocalDBIndex(idx);
|
if (indexCfg.getIndexType().
|
contains(LocalDBIndexCfgDefn.IndexType.EXTENSIBLE))
|
{
|
Set<String> extensibleRules =
|
indexCfg.getIndexExtensibleMatchingRule();
|
for(String exRule : extensibleRules)
|
{
|
if(exRule.equalsIgnoreCase(s))
|
{
|
found = true;
|
break;
|
}
|
}
|
}
|
if(found)
|
{
|
break;
|
}
|
}
|
if(!found) {
|
Message msg =
|
ERR_JEB_ATTRIBUTE_INDEX_NOT_CONFIGURED.get(index);
|
throw new JebException(msg);
|
}
|
indexCount++;
|
}
|
}
|
else
|
{
|
for (String idx : cfg.listLocalDBIndexes())
|
{
|
if(!idx.equalsIgnoreCase(index))
|
{
|
continue;
|
}
|
LocalDBIndexCfg indexCfg = cfg.getLocalDBIndex(idx);
|
if(indexCfg.getIndexType().
|
contains(LocalDBIndexCfgDefn.IndexType.EQUALITY))
|
{
|
indexCount++;
|
}
|
if(indexCfg.getIndexType().
|
contains(LocalDBIndexCfgDefn.IndexType.ORDERING))
|
{
|
indexCount++;
|
}
|
if(indexCfg.getIndexType().
|
contains(LocalDBIndexCfgDefn.IndexType.PRESENCE))
|
{
|
indexCount++;
|
}
|
if(indexCfg.getIndexType().
|
contains(LocalDBIndexCfgDefn.IndexType.SUBSTRING))
|
{
|
indexCount++;
|
}
|
if(indexCfg.getIndexType().
|
contains(LocalDBIndexCfgDefn.IndexType.APPROXIMATE))
|
{
|
indexCount++;
|
}
|
if (indexCfg.getIndexType().
|
contains(LocalDBIndexCfgDefn.IndexType.EXTENSIBLE))
|
{
|
Set<String> extensibleRules =
|
indexCfg.getIndexExtensibleMatchingRule();
|
boolean shared = false;
|
for(String exRule : extensibleRules)
|
{
|
if(exRule.endsWith(".sub"))
|
{
|
indexCount++;
|
}
|
else
|
{
|
if(!shared)
|
{
|
shared=true;
|
indexCount++;
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
return indexCount;
|
}
|
|
|
private void clearRebuildListIndexes() throws DatabaseException
|
{
|
List<String> rebuildList = rebuildConfig.getRebuildList();
|
if(!rebuildList.isEmpty())
|
{
|
for (String index : rebuildList)
|
{
|
String lowerName = index.toLowerCase();
|
if (lowerName.equals("dn2id"))
|
{
|
clearDN2IDIndexes(false);
|
}
|
else if (lowerName.equals("dn2uri"))
|
{
|
clearDN2URI(false);
|
}
|
else if (lowerName.startsWith("vlv."))
|
{
|
VLVIndex vlvIndex = entryContainer.getVLVIndex(lowerName
|
.substring(4));
|
clearVLVIndex(vlvIndex, false);
|
}
|
else
|
{
|
String[] attrIndexParts = lowerName.split("\\.");
|
AttributeType attrType =
|
DirectoryServer.getAttributeType(attrIndexParts[0]);
|
AttributeIndex attrIndex =
|
entryContainer.getAttributeIndex(attrType);
|
if(attrIndexParts.length != 1)
|
{
|
Index partialAttrIndex;
|
if(attrIndexParts[1].equals("presence"))
|
{
|
partialAttrIndex = attrIndex.getPresenceIndex();
|
int id = System.identityHashCode(partialAttrIndex);
|
idContainerMap.putIfAbsent(id, partialAttrIndex);
|
entryContainer.clearDatabase(partialAttrIndex);
|
IndexKey indexKey =
|
new IndexKey(attrType, ImportIndexType.PRESENCE,
|
partialAttrIndex.getIndexEntryLimit());
|
indexMap.put(indexKey, partialAttrIndex);
|
}
|
else if(attrIndexParts[1].equals("equality"))
|
{
|
partialAttrIndex = attrIndex.getEqualityIndex();
|
int id = System.identityHashCode(partialAttrIndex);
|
idContainerMap.putIfAbsent(id, partialAttrIndex);
|
entryContainer.clearDatabase(partialAttrIndex);
|
IndexKey indexKey =
|
new IndexKey(attrType, ImportIndexType.EQUALITY,
|
partialAttrIndex.getIndexEntryLimit());
|
indexMap.put(indexKey, partialAttrIndex);
|
}
|
else if(attrIndexParts[1].equals("substring"))
|
{
|
partialAttrIndex = attrIndex.getSubstringIndex();
|
int id = System.identityHashCode(partialAttrIndex);
|
idContainerMap.putIfAbsent(id, partialAttrIndex);
|
entryContainer.clearDatabase(partialAttrIndex);
|
IndexKey indexKey =
|
new IndexKey(attrType, ImportIndexType.SUBSTRING,
|
partialAttrIndex.getIndexEntryLimit());
|
indexMap.put(indexKey, partialAttrIndex);
|
}
|
else if(attrIndexParts[1].equals("ordering"))
|
{
|
partialAttrIndex = attrIndex.getOrderingIndex();
|
int id = System.identityHashCode(partialAttrIndex);
|
idContainerMap.putIfAbsent(id, partialAttrIndex);
|
entryContainer.clearDatabase(partialAttrIndex);
|
IndexKey indexKey =
|
new IndexKey(attrType, ImportIndexType.ORDERING,
|
partialAttrIndex.getIndexEntryLimit());
|
indexMap.put(indexKey, partialAttrIndex);
|
}
|
else if(attrIndexParts[1].equals("approximate"))
|
{
|
partialAttrIndex = attrIndex.getApproximateIndex();
|
int id = System.identityHashCode(partialAttrIndex);
|
idContainerMap.putIfAbsent(id, partialAttrIndex);
|
entryContainer.clearDatabase(partialAttrIndex);
|
IndexKey indexKey =
|
new IndexKey(attrType, ImportIndexType.APPROXIMATE,
|
partialAttrIndex.getIndexEntryLimit());
|
indexMap.put(indexKey, partialAttrIndex);
|
}
|
else
|
{
|
String dbPart = "shared";
|
if(attrIndexParts[2].startsWith("sub"))
|
{
|
dbPart = "substring";
|
}
|
StringBuilder nameBldr = new StringBuilder();
|
nameBldr.append(entryContainer.getDatabasePrefix());
|
nameBldr.append("_");
|
nameBldr.append(attrIndexParts[0]);
|
nameBldr.append(".");
|
nameBldr.append(attrIndexParts[1]);
|
nameBldr.append(".");
|
nameBldr.append(dbPart);
|
String indexName = nameBldr.toString();
|
Map<String,Collection<Index>> extensibleMap =
|
attrIndex.getExtensibleIndexes();
|
if(!extensibleMap.isEmpty()) {
|
Collection<Index> subIndexes =
|
attrIndex.getExtensibleIndexes().get(
|
EXTENSIBLE_INDEXER_ID_SUBSTRING);
|
if(subIndexes != null) {
|
for(Index subIndex : subIndexes) {
|
String name = subIndex.getName();
|
if(name.equalsIgnoreCase(indexName))
|
{
|
entryContainer.clearDatabase(subIndex);
|
int id = System.identityHashCode(subIndex);
|
idContainerMap.putIfAbsent(id, subIndex);
|
Collection<Index> substring = new ArrayList<Index>();
|
substring.add(subIndex);
|
extensibleIndexMap.put(new IndexKey(attrType,
|
ImportIndexType.EX_SUBSTRING, 0),substring);
|
break;
|
}
|
}
|
Collection<Index> sharedIndexes =
|
attrIndex.getExtensibleIndexes().
|
get(EXTENSIBLE_INDEXER_ID_SHARED);
|
if(sharedIndexes !=null) {
|
for(Index sharedIndex : sharedIndexes) {
|
String name = sharedIndex.getName();
|
if(name.equalsIgnoreCase(indexName))
|
{
|
entryContainer.clearDatabase(sharedIndex);
|
Collection<Index> shared = new ArrayList<Index>();
|
int id = System.identityHashCode(sharedIndex);
|
idContainerMap.putIfAbsent(id, sharedIndex);
|
shared.add(sharedIndex);
|
extensibleIndexMap.put(new IndexKey(attrType,
|
ImportIndexType.EX_SHARED, 0), shared);
|
break;
|
}
|
}
|
}
|
}
|
}
|
}
|
}
|
else
|
{
|
clearAttributeIndexes(attrIndex, attrType, false);
|
}
|
}
|
}
|
}
|
}
|
|
|
private void clearAllIndexes(boolean onlyDegraded) throws DatabaseException
|
{
|
for(Map.Entry<AttributeType, AttributeIndex> mapEntry :
|
suffix.getAttrIndexMap().entrySet()) {
|
AttributeType attributeType = mapEntry.getKey();
|
AttributeIndex attributeIndex = mapEntry.getValue();
|
clearAttributeIndexes(attributeIndex, attributeType, onlyDegraded);
|
}
|
for(VLVIndex vlvIndex : suffix.getEntryContainer().getVLVIndexes()) {
|
clearVLVIndex(vlvIndex, onlyDegraded);
|
}
|
clearDN2IDIndexes(onlyDegraded);
|
if(entryContainer.getDN2URI() != null)
|
{
|
clearDN2URI(onlyDegraded);
|
}
|
}
|
|
|
|
private void clearVLVIndex(VLVIndex vlvIndex, boolean onlyDegraded)
|
throws DatabaseException
|
{
|
if (!onlyDegraded || !vlvIndex.isTrusted())
|
{
|
entryContainer.clearDatabase(vlvIndex);
|
vlvIndexes.add(vlvIndex);
|
}
|
}
|
|
|
|
private void clearDN2URI(boolean onlyDegraded) throws DatabaseException
|
{
|
if (!onlyDegraded)
|
{
|
// dn2uri does not have a trusted status.
|
entryContainer.clearDatabase(entryContainer.getDN2URI());
|
dn2uri = entryContainer.getDN2URI();
|
}
|
}
|
|
|
|
private void clearDN2IDIndexes(boolean onlyDegraded)
|
throws DatabaseException
|
{
|
if (!onlyDegraded || !entryContainer.getID2Children().isTrusted()
|
|| !entryContainer.getID2Subtree().isTrusted())
|
{
|
entryContainer.clearDatabase(entryContainer.getDN2ID());
|
entryContainer.clearDatabase(entryContainer.getID2Children());
|
entryContainer.clearDatabase(entryContainer.getID2Subtree());
|
dn2id = entryContainer.getDN2ID();
|
}
|
}
|
|
|
private void clearAttributeIndexes(AttributeIndex attrIndex,
|
AttributeType attrType,
|
boolean onlyDegraded)
|
throws DatabaseException
|
{
|
if (attrIndex.getSubstringIndex() != null)
|
{
|
Index partialAttrIndex = attrIndex.getSubstringIndex();
|
if (!onlyDegraded || !partialAttrIndex.isTrusted())
|
{
|
int id = System.identityHashCode(partialAttrIndex);
|
idContainerMap.putIfAbsent(id, partialAttrIndex);
|
entryContainer.clearDatabase(partialAttrIndex);
|
IndexKey indexKey = new IndexKey(attrType, ImportIndexType.SUBSTRING,
|
partialAttrIndex.getIndexEntryLimit());
|
indexMap.put(indexKey, partialAttrIndex);
|
}
|
}
|
if (attrIndex.getOrderingIndex() != null)
|
{
|
Index partialAttrIndex = attrIndex.getOrderingIndex();
|
if (!onlyDegraded || !partialAttrIndex.isTrusted())
|
{
|
int id = System.identityHashCode(partialAttrIndex);
|
idContainerMap.putIfAbsent(id, partialAttrIndex);
|
entryContainer.clearDatabase(partialAttrIndex);
|
IndexKey indexKey = new IndexKey(attrType, ImportIndexType.ORDERING,
|
partialAttrIndex.getIndexEntryLimit());
|
indexMap.put(indexKey, partialAttrIndex);
|
}
|
}
|
if(attrIndex.getEqualityIndex() != null)
|
{
|
Index partialAttrIndex = attrIndex.getEqualityIndex();
|
if (!onlyDegraded || !partialAttrIndex.isTrusted())
|
{
|
int id = System.identityHashCode(partialAttrIndex);
|
idContainerMap.putIfAbsent(id, partialAttrIndex);
|
entryContainer.clearDatabase(partialAttrIndex);
|
IndexKey indexKey = new IndexKey(attrType, ImportIndexType.EQUALITY,
|
partialAttrIndex.getIndexEntryLimit());
|
indexMap.put(indexKey, partialAttrIndex);
|
}
|
}
|
if (attrIndex.getPresenceIndex() != null)
|
{
|
Index partialAttrIndex = attrIndex.getPresenceIndex();
|
if (!onlyDegraded || !partialAttrIndex.isTrusted())
|
{
|
int id = System.identityHashCode(partialAttrIndex);
|
idContainerMap.putIfAbsent(id, partialAttrIndex);
|
entryContainer.clearDatabase(partialAttrIndex);
|
IndexKey indexKey = new IndexKey(attrType, ImportIndexType.PRESENCE,
|
partialAttrIndex.getIndexEntryLimit());
|
indexMap.put(indexKey, partialAttrIndex);
|
}
|
}
|
if (attrIndex.getApproximateIndex() != null)
|
{
|
Index partialAttrIndex = attrIndex.getApproximateIndex();
|
if (!onlyDegraded || !partialAttrIndex.isTrusted())
|
{
|
int id = System.identityHashCode(partialAttrIndex);
|
idContainerMap.putIfAbsent(id, partialAttrIndex);
|
entryContainer.clearDatabase(partialAttrIndex);
|
IndexKey indexKey = new IndexKey(attrType,
|
ImportIndexType.APPROXIMATE,
|
partialAttrIndex.getIndexEntryLimit());
|
indexMap.put(indexKey, partialAttrIndex);
|
}
|
}
|
Map<String, Collection<Index>> extensibleMap = attrIndex
|
.getExtensibleIndexes();
|
if (!extensibleMap.isEmpty())
|
{
|
Collection<Index> subIndexes = attrIndex.getExtensibleIndexes().get(
|
EXTENSIBLE_INDEXER_ID_SUBSTRING);
|
if (subIndexes != null && !subIndexes.isEmpty())
|
{
|
List<Index> mutableCopy = new LinkedList<Index>(subIndexes);
|
Iterator<Index> i = mutableCopy.iterator();
|
while (i.hasNext())
|
{
|
Index subIndex = i.next();
|
if (!onlyDegraded || !subIndex.isTrusted())
|
{
|
entryContainer.clearDatabase(subIndex);
|
int id = System.identityHashCode(subIndex);
|
idContainerMap.putIfAbsent(id, subIndex);
|
}
|
else
|
{
|
// This index is not a candidate for rebuilding.
|
i.remove();
|
}
|
}
|
if (!mutableCopy.isEmpty())
|
{
|
extensibleIndexMap.put(new IndexKey(attrType,
|
ImportIndexType.EX_SUBSTRING, 0), mutableCopy);
|
}
|
}
|
Collection<Index> sharedIndexes = attrIndex.getExtensibleIndexes().get(
|
EXTENSIBLE_INDEXER_ID_SHARED);
|
if (sharedIndexes != null && !sharedIndexes.isEmpty())
|
{
|
List<Index> mutableCopy = new LinkedList<Index>(sharedIndexes);
|
Iterator<Index> i = mutableCopy.iterator();
|
while (i.hasNext())
|
{
|
Index sharedIndex = i.next();
|
if (!onlyDegraded || !sharedIndex.isTrusted())
|
{
|
entryContainer.clearDatabase(sharedIndex);
|
int id = System.identityHashCode(sharedIndex);
|
idContainerMap.putIfAbsent(id, sharedIndex);
|
}
|
else
|
{
|
// This index is not a candidate for rebuilding.
|
i.remove();
|
}
|
}
|
if (!mutableCopy.isEmpty())
|
{
|
extensibleIndexMap.put(new IndexKey(attrType,
|
ImportIndexType.EX_SHARED, 0), mutableCopy);
|
}
|
}
|
}
|
}
|
|
|
private
|
void processEntry(Entry entry, EntryID entryID) throws DatabaseException,
|
DirectoryException, JebException, InterruptedException
|
{
|
if(dn2id != null)
|
{
|
processDN2ID(suffix, entry.getDN(), entryID);
|
}
|
if(dn2uri != null)
|
{
|
processDN2URI(suffix, null, entry);
|
}
|
processIndexes(entry, entryID);
|
processExtensibleIndexes(entry, entryID);
|
processVLVIndexes(entry, entryID);
|
}
|
|
|
private void processVLVIndexes(Entry entry, EntryID entryID)
|
throws DatabaseException, JebException, DirectoryException
|
{
|
for(VLVIndex vlvIdx : suffix.getEntryContainer().getVLVIndexes()) {
|
Transaction transaction = null;
|
vlvIdx.addEntry(transaction, entryID, entry);
|
}
|
}
|
|
|
private
|
void processExtensibleIndexes(Entry entry, EntryID entryID) throws
|
InterruptedException
|
{
|
for(Map.Entry<IndexKey, Collection<Index>> mapEntry :
|
this.extensibleIndexMap.entrySet()) {
|
IndexKey key = mapEntry.getKey();
|
AttributeType attrType = key.getAttributeType();
|
if(entry.hasAttribute(attrType)) {
|
Collection<Index> indexes = mapEntry.getValue();
|
for(Index index : indexes) {
|
processAttribute(index, entry, entryID, key);
|
}
|
}
|
}
|
}
|
|
|
private void
|
processIndexes(Entry entry, EntryID entryID) throws
|
DatabaseException, InterruptedException
|
{
|
for(Map.Entry<IndexKey, Index> mapEntry :
|
indexMap.entrySet()) {
|
IndexKey key = mapEntry.getKey();
|
AttributeType attrType = key.getAttributeType();
|
if(entry.hasAttribute(attrType)) {
|
ImportIndexType indexType = key.getIndexType();
|
Index index = mapEntry.getValue();
|
if(indexType == ImportIndexType.SUBSTRING)
|
{
|
processAttribute(index, entry, entryID,
|
new IndexKey(attrType, ImportIndexType.SUBSTRING,
|
index.getIndexEntryLimit()));
|
}
|
else
|
{
|
processAttribute(index, entry, entryID,
|
new IndexKey(attrType, indexType,
|
index.getIndexEntryLimit()));
|
}
|
}
|
}
|
}
|
|
|
/**
|
* Return the number of entries processed by the rebuild manager.
|
*
|
* @return The number of entries processed.
|
*/
|
public long getEntriesProcess()
|
{
|
return this.entriesProcessed.get();
|
}
|
|
|
/**
|
* Return the total number of entries to process by the rebuild manager.
|
*
|
* @return The total number for entries to process.
|
*/
|
public long getTotEntries()
|
{
|
return this.totalEntries;
|
}
|
|
@Override
|
public void diskLowThresholdReached(DiskSpaceMonitor monitor) {
|
diskFullThresholdReached(monitor);
|
}
|
|
@Override
|
public void diskFullThresholdReached(DiskSpaceMonitor monitor) {
|
isCanceled = true;
|
Message msg = ERR_REBUILD_INDEX_LACK_DISK.get(
|
monitor.getDirectory().getPath(), monitor.getFreeSpace(),
|
monitor.getLowThreshold());
|
logError(msg);
|
}
|
|
@Override
|
public void diskSpaceRestored(DiskSpaceMonitor monitor) {
|
// Do nothing
|
}
|
}
|
|
/**
|
* This class reports progress of rebuild index processing at fixed
|
* intervals.
|
*/
|
private class RebuildFirstPhaseProgressTask extends TimerTask
|
{
|
/**
|
* The number of records that had been processed at the time of the
|
* previous progress report.
|
*/
|
private long previousProcessed = 0;
|
|
/**
|
* The time in milliseconds of the previous progress report.
|
*/
|
private long previousTime;
|
|
/**
|
* The environment statistics at the time of the previous report.
|
*/
|
private EnvironmentStats prevEnvStats;
|
|
/**
|
* Create a new rebuild index progress task.
|
*
|
* @throws DatabaseException If an error occurred while accessing the JE
|
* database.
|
*/
|
public RebuildFirstPhaseProgressTask() throws DatabaseException
|
{
|
previousTime = System.currentTimeMillis();
|
prevEnvStats = rootContainer.getEnvironmentStats(new StatsConfig());
|
}
|
|
/**
|
* The action to be performed by this timer task.
|
*/
|
@Override
|
public void run()
|
{
|
long latestTime = System.currentTimeMillis();
|
long deltaTime = latestTime - previousTime;
|
|
if (deltaTime == 0)
|
{
|
return;
|
}
|
long entriesProcessed = rebuildManager.getEntriesProcess();
|
long deltaCount = (entriesProcessed - previousProcessed);
|
float rate = 1000f*deltaCount / deltaTime;
|
float completed = 0;
|
if(rebuildManager.getTotEntries() > 0)
|
{
|
completed = 100f*entriesProcessed / rebuildManager.getTotEntries();
|
}
|
Message message = NOTE_JEB_REBUILD_PROGRESS_REPORT.get(completed,
|
entriesProcessed, rebuildManager.getTotEntries(), rate);
|
logError(message);
|
try
|
{
|
Runtime runtime = Runtime.getRuntime();
|
long freeMemory = runtime.freeMemory() / MB;
|
EnvironmentStats envStats =
|
rootContainer.getEnvironmentStats(new StatsConfig());
|
long nCacheMiss =
|
envStats.getNCacheMiss() - prevEnvStats.getNCacheMiss();
|
|
float cacheMissRate = 0;
|
if (deltaCount > 0)
|
{
|
cacheMissRate = nCacheMiss/(float)deltaCount;
|
}
|
message = NOTE_JEB_REBUILD_CACHE_AND_MEMORY_REPORT.get(
|
freeMemory, cacheMissRate);
|
logError(message);
|
prevEnvStats = envStats;
|
}
|
catch (DatabaseException e)
|
{
|
|
}
|
previousProcessed = entriesProcessed;
|
previousTime = latestTime;
|
}
|
}
|
|
|
/**
|
* This class reports progress of first phase of import processing at
|
* fixed intervals.
|
*/
|
private final class FirstPhaseProgressTask extends TimerTask
|
{
|
/**
|
* The number of entries that had been read at the time of the
|
* previous progress report.
|
*/
|
private long previousCount = 0;
|
|
/**
|
* The time in milliseconds of the previous progress report.
|
*/
|
private long previousTime;
|
|
/**
|
* The environment statistics at the time of the previous report.
|
*/
|
private EnvironmentStats previousStats;
|
|
|
// Determines if eviction has been detected.
|
private boolean evicting = false;
|
|
// Entry count when eviction was detected.
|
private long evictionEntryCount = 0;
|
|
|
/**
|
* Create a new import progress task.
|
*/
|
public FirstPhaseProgressTask()
|
{
|
previousTime = System.currentTimeMillis();
|
try
|
{
|
previousStats =
|
rootContainer.getEnvironmentStats(new StatsConfig());
|
}
|
catch (DatabaseException e)
|
{
|
throw new RuntimeException(e);
|
}
|
}
|
|
|
|
/**
|
* The action to be performed by this timer task.
|
*/
|
@Override
|
public void run()
|
{
|
long latestCount = reader.getEntriesRead() + 0;
|
long deltaCount = (latestCount - previousCount);
|
long latestTime = System.currentTimeMillis();
|
long deltaTime = latestTime - previousTime;
|
Message message;
|
if (deltaTime == 0)
|
{
|
return;
|
}
|
long entriesRead = reader.getEntriesRead();
|
long entriesIgnored = reader.getEntriesIgnored();
|
long entriesRejected = reader.getEntriesRejected();
|
float rate = 1000f * deltaCount / deltaTime;
|
message = NOTE_JEB_IMPORT_PROGRESS_REPORT.get(entriesRead,
|
entriesIgnored, entriesRejected, 0, rate);
|
logError(message);
|
try
|
{
|
Runtime runTime = Runtime.getRuntime();
|
long freeMemory = runTime.freeMemory()/MB;
|
EnvironmentStats environmentStats;
|
|
//If first phase skip DN validation is specified use the root container
|
//stats, else use the temporary environment stats.
|
if(skipDNValidation)
|
{
|
environmentStats =
|
rootContainer.getEnvironmentStats(new StatsConfig());
|
}
|
else
|
{
|
environmentStats = tmpEnv.getEnvironmentStats(new StatsConfig());
|
}
|
long nCacheMiss = environmentStats.getNCacheMiss() -
|
previousStats.getNCacheMiss();
|
|
float cacheMissRate = 0;
|
if (deltaCount > 0)
|
{
|
cacheMissRate = nCacheMiss / (float) deltaCount;
|
}
|
message =
|
NOTE_JEB_IMPORT_CACHE_AND_MEMORY_REPORT.get(freeMemory,
|
cacheMissRate);
|
logError(message);
|
long evictPasses = environmentStats.getNEvictPasses();
|
long evictNodes = environmentStats.getNNodesExplicitlyEvicted();
|
long evictBinsStrip = environmentStats.getNBINsStripped();
|
long cleanerRuns = environmentStats.getNCleanerRuns();
|
long cleanerDeletions = environmentStats.getNCleanerDeletions();
|
long cleanerEntriesRead =
|
environmentStats.getNCleanerEntriesRead();
|
long cleanerINCleaned = environmentStats.getNINsCleaned();
|
long checkPoints = environmentStats.getNCheckpoints();
|
if (evictPasses != 0)
|
{
|
if (!evicting)
|
{
|
evicting = true;
|
evictionEntryCount = reader.getEntriesRead();
|
message =
|
NOTE_JEB_IMPORT_LDIF_EVICTION_DETECTED
|
.get(evictionEntryCount);
|
logError(message);
|
}
|
message =
|
NOTE_JEB_IMPORT_LDIF_EVICTION_DETECTED_STATS.get(
|
evictPasses, evictNodes, evictBinsStrip);
|
logError(message);
|
}
|
if (cleanerRuns != 0)
|
{
|
message =
|
NOTE_JEB_IMPORT_LDIF_CLEANER_STATS.get(cleanerRuns,
|
cleanerDeletions, cleanerEntriesRead,
|
cleanerINCleaned);
|
logError(message);
|
}
|
if (checkPoints > 1)
|
{
|
message =
|
NOTE_JEB_IMPORT_LDIF_BUFFER_CHECKPOINTS.get(checkPoints);
|
logError(message);
|
}
|
previousStats = environmentStats;
|
}
|
catch (DatabaseException e)
|
{
|
// Unlikely to happen and not critical.
|
}
|
previousCount = latestCount;
|
previousTime = latestTime;
|
}
|
}
|
|
|
|
/**
|
* This class reports progress of the second phase of import processing at
|
* fixed intervals.
|
*/
|
private class SecondPhaseProgressTask extends TimerTask
|
{
|
/**
|
* The number of entries that had been read at the time of the
|
* previous progress report.
|
*/
|
private long previousCount = 0;
|
|
/**
|
* The time in milliseconds of the previous progress report.
|
*/
|
private long previousTime;
|
|
/**
|
* The environment statistics at the time of the previous report.
|
*/
|
private EnvironmentStats previousStats;
|
|
// Determines if eviction has been detected.
|
private boolean evicting = false;
|
|
private long latestCount;
|
|
|
|
/**
|
* Create a new import progress task.
|
*
|
* @param latestCount
|
* The latest count of entries processed in phase one.
|
*/
|
public SecondPhaseProgressTask(long latestCount)
|
{
|
previousTime = System.currentTimeMillis();
|
this.latestCount = latestCount;
|
try
|
{
|
previousStats = rootContainer.getEnvironmentStats(new StatsConfig());
|
}
|
catch (DatabaseException e)
|
{
|
throw new RuntimeException(e);
|
}
|
}
|
|
|
/**
|
* The action to be performed by this timer task.
|
*/
|
@Override
|
public void run()
|
{
|
long deltaCount = (latestCount - previousCount);
|
long latestTime = System.currentTimeMillis();
|
long deltaTime = latestTime - previousTime;
|
Message message;
|
if (deltaTime == 0)
|
{
|
return;
|
}
|
try
|
{
|
Runtime runTime = Runtime.getRuntime();
|
long freeMemory = runTime.freeMemory() / MB;
|
EnvironmentStats environmentStats =
|
rootContainer.getEnvironmentStats(new StatsConfig());
|
long nCacheMiss = environmentStats.getNCacheMiss() -
|
previousStats.getNCacheMiss();
|
|
float cacheMissRate = 0;
|
if (deltaCount > 0)
|
{
|
cacheMissRate = nCacheMiss / (float) deltaCount;
|
}
|
message =
|
NOTE_JEB_IMPORT_CACHE_AND_MEMORY_REPORT.get(freeMemory,
|
cacheMissRate);
|
logError(message);
|
long evictPasses = environmentStats.getNEvictPasses();
|
long evictNodes = environmentStats.getNNodesExplicitlyEvicted();
|
long evictBinsStrip = environmentStats.getNBINsStripped();
|
long cleanerRuns = environmentStats.getNCleanerRuns();
|
long cleanerDeletions = environmentStats.getNCleanerDeletions();
|
long cleanerEntriesRead = environmentStats.getNCleanerEntriesRead();
|
long cleanerINCleaned = environmentStats.getNINsCleaned();
|
long checkPoints = environmentStats.getNCheckpoints();
|
if (evictPasses != 0)
|
{
|
if (!evicting)
|
{
|
evicting = true;
|
}
|
message =
|
NOTE_JEB_IMPORT_LDIF_EVICTION_DETECTED_STATS.get(
|
evictPasses, evictNodes, evictBinsStrip);
|
logError(message);
|
}
|
if (cleanerRuns != 0)
|
{
|
message =
|
NOTE_JEB_IMPORT_LDIF_CLEANER_STATS.get(cleanerRuns,
|
cleanerDeletions, cleanerEntriesRead,
|
cleanerINCleaned);
|
logError(message);
|
}
|
if (checkPoints > 1)
|
{
|
message =
|
NOTE_JEB_IMPORT_LDIF_BUFFER_CHECKPOINTS.get(checkPoints);
|
logError(message);
|
}
|
previousStats = environmentStats;
|
}
|
catch (DatabaseException e)
|
{
|
// Unlikely to happen and not critical.
|
}
|
previousCount = latestCount;
|
previousTime = latestTime;
|
|
//Do DN index managers first.
|
for(IndexManager indexMgrDN : DNIndexMgrList)
|
{
|
indexMgrDN.printStats(deltaTime);
|
}
|
//Do non-DN index managers.
|
for(IndexManager indexMgr : indexMgrList)
|
{
|
indexMgr.printStats(deltaTime);
|
}
|
}
|
}
|
|
|
/**
|
* A class to hold information about the entry determined by the LDIF reader.
|
* Mainly the suffix the entry belongs under and the ID assigned to it by the
|
* reader.
|
*
|
*/
|
public class EntryInformation
|
{
|
private EntryID entryID;
|
private Suffix suffix;
|
|
|
/**
|
* Return the suffix associated with the entry.
|
*
|
* @return Entry's suffix instance;
|
*/
|
public Suffix getSuffix()
|
{
|
return suffix;
|
}
|
|
/**
|
* Set the suffix instance associated with the entry.
|
*
|
* @param suffix The suffix associated with the entry.
|
*/
|
public void setSuffix(Suffix suffix)
|
{
|
this.suffix = suffix;
|
}
|
|
/**
|
* Set the entry's ID.
|
*
|
* @param entryID The entry ID to set the entry ID to.
|
*/
|
public void setEntryID(EntryID entryID)
|
{
|
this.entryID = entryID;
|
}
|
|
/**
|
* Return the entry ID associated with the entry.
|
*
|
* @return The entry ID associated with the entry.
|
*/
|
public EntryID getEntryID()
|
{
|
return entryID;
|
}
|
}
|
|
/**
|
* This class defines the individual index type available.
|
*
|
*/
|
public enum ImportIndexType {
|
/**
|
* The DN index type.
|
**/
|
DN,
|
|
/**
|
* The equality index type.
|
**/
|
EQUALITY,
|
|
/**
|
* The presence index type.
|
**/
|
PRESENCE,
|
|
/**
|
* The sub-string index type.
|
**/
|
SUBSTRING,
|
|
/**
|
* The ordering index type.
|
**/
|
ORDERING,
|
|
/**
|
* The approximate index type.
|
**/
|
APPROXIMATE,
|
|
/**
|
* The extensible sub-string index type.
|
**/
|
EX_SUBSTRING,
|
|
/**
|
* The extensible shared index type.
|
**/
|
EX_SHARED,
|
|
/**
|
* The vlv index type.
|
*/
|
VLV
|
}
|
|
/**
|
* This class is used as an index key for hash maps that need to
|
* process multiple suffix index elements into a single queue and/or maps
|
* based on both attribute type and index type
|
* (ie., cn.equality, sn.equality,...).
|
*/
|
public class IndexKey {
|
|
private final AttributeType attributeType;
|
private final ImportIndexType indexType;
|
private final int entryLimit;
|
|
|
/**
|
* Create index key instance using the specified attribute type, index type
|
* and index entry limit.
|
*
|
* @param attributeType The attribute type.
|
* @param indexType The index type.
|
* @param entryLimit The entry limit for the index.
|
*/
|
IndexKey(AttributeType attributeType, ImportIndexType indexType,
|
int entryLimit)
|
{
|
this.attributeType = attributeType;
|
this.indexType = indexType;
|
this.entryLimit = entryLimit;
|
}
|
|
/**
|
* An equals method that uses both the attribute type and the index type.
|
* Only returns {@code true} if the attribute type and index type are
|
* equal.
|
*
|
* @param obj the object to compare.
|
* @return {@code true} if the objects are equal, or {@code false} if they
|
* are not.
|
*/
|
@Override
|
public boolean equals(Object obj)
|
{
|
if (obj instanceof IndexKey) {
|
IndexKey oKey = (IndexKey) obj;
|
if(attributeType.equals(oKey.getAttributeType()) &&
|
indexType.equals(oKey.getIndexType()))
|
{
|
return true;
|
}
|
}
|
return false;
|
}
|
|
/**
|
* A hash code method that adds the hash codes of the attribute type and
|
* index type and returns that value.
|
*
|
* @return The combined hash values of attribute type hash code and the
|
* index type hash code.
|
*/
|
@Override
|
public int hashCode()
|
{
|
return attributeType.hashCode() + indexType.hashCode();
|
}
|
|
/**
|
* Return the attribute type.
|
*
|
* @return The attribute type.
|
*/
|
public AttributeType getAttributeType()
|
{
|
return attributeType;
|
}
|
|
/**
|
* Return the index type.
|
*
|
* @return The index type.
|
*/
|
public ImportIndexType getIndexType()
|
{
|
return indexType;
|
}
|
|
/**
|
* Return the index key name, which is the attribute type primary name,
|
* a period, and the index type name. Used for building file names and
|
* progress output.
|
*
|
* @return The index key name.
|
*/
|
public String getName()
|
{
|
return attributeType.getPrimaryName() + "." +
|
StaticUtils.toLowerCase(indexType.name());
|
}
|
|
/**
|
* Return the entry limit associated with the index.
|
*
|
* @return The entry limit.
|
*/
|
public int getEntryLimit()
|
{
|
return entryLimit;
|
}
|
}
|
|
|
/**
|
* The temporary enviroment will be shared when multiple suffixes are being
|
* processed. This interface is used by those suffix instance to do parental
|
* checking of the DN cache.
|
*/
|
public static interface DNCache {
|
|
/**
|
* Returns {@code true} if the specified DN is contained in the DN cache,
|
* or {@code false} otherwise.
|
*
|
* @param dn The DN to check the presence of.
|
* @return {@code true} if the cache contains the DN, or {@code false} if it
|
* is not.
|
* @throws DatabaseException If an error occurs reading the database.
|
*/
|
public boolean contains(DN dn) throws DatabaseException;
|
}
|
|
/**
|
* Temporary environment used to check DN's when DN validation is performed
|
* during phase one processing. It is deleted after phase one processing.
|
*/
|
|
public final class TmpEnv implements DNCache
|
{
|
private String envPath;
|
private Environment environment;
|
private static final String DB_NAME = "dn_cache";
|
private Database dnCache;
|
|
/**
|
* Create a temporary DB environment and database to be used as a cache of
|
* DNs when DN validation is performed in phase one processing.
|
*
|
* @param envPath The file path to create the enviroment under.
|
* @throws DatabaseException If an error occurs either creating the
|
* environment or the DN database.
|
*/
|
public TmpEnv(File envPath) throws DatabaseException
|
{
|
EnvironmentConfig envConfig = new EnvironmentConfig();
|
envConfig.setConfigParam(EnvironmentConfig.ENV_RUN_CLEANER, "true");
|
envConfig.setReadOnly(false);
|
envConfig.setAllowCreate(true);
|
envConfig.setTransactional(false);
|
envConfig.setConfigParam(EnvironmentConfig.ENV_IS_LOCKING, "true");
|
envConfig.setConfigParam(EnvironmentConfig.ENV_RUN_CHECKPOINTER, "false");
|
envConfig.setConfigParam(EnvironmentConfig.EVICTOR_LRU_ONLY, "false");
|
envConfig.setConfigParam(EnvironmentConfig.EVICTOR_NODES_PER_SCAN, "128");
|
envConfig.setConfigParam(EnvironmentConfig.MAX_MEMORY,
|
Long.toString(tmpEnvCacheSize));
|
DatabaseConfig dbConfig = new DatabaseConfig();
|
dbConfig.setAllowCreate(true);
|
dbConfig.setTransactional(false);
|
dbConfig.setTemporary(true);
|
environment = new Environment(envPath, envConfig);
|
dnCache = environment.openDatabase(null, DB_NAME, dbConfig);
|
this.envPath = envPath.getPath();
|
}
|
|
private static final long FNV_INIT = 0xcbf29ce484222325L;
|
private static final long FNV_PRIME = 0x100000001b3L;
|
|
//Hash the DN bytes. Uses the FNV-1a hash.
|
private byte[] hashCode(byte[] b)
|
{
|
long hash = FNV_INIT;
|
for (byte aB : b) {
|
hash ^= aB;
|
hash *= FNV_PRIME;
|
}
|
return JebFormat.entryIDToDatabase(hash);
|
}
|
|
/**
|
* Shutdown the temporary environment.
|
* @throws JebException If error occurs.
|
*/
|
public void shutdown() throws JebException
|
{
|
dnCache.close();
|
environment.close();
|
EnvManager.removeFiles(envPath);
|
}
|
|
/**
|
* Insert the specified DN into the DN cache. It will return {@code true} if
|
* the DN does not already exist in the cache and was inserted, or
|
* {@code false} if the DN exists already in the cache.
|
*
|
* @param dn The DN to insert in the cache.
|
* @param val A database entry to use in the insert.
|
* @param key A database entry to use in the insert.
|
* @return {@code true} if the DN was inserted in the cache, or
|
* {@code false} if the DN exists in the cache already and could
|
* not be inserted.
|
* @throws JebException If an error occurs accessing the database.
|
*/
|
public boolean insert(DN dn, DatabaseEntry val, DatabaseEntry key)
|
throws JebException
|
{
|
byte[] dnBytes = StaticUtils.getBytes(dn.toNormalizedString());
|
int len = PackedInteger.getWriteIntLength(dnBytes.length);
|
byte[] dataBytes = new byte[dnBytes.length + len];
|
int pos = PackedInteger.writeInt(dataBytes, 0, dnBytes.length);
|
System.arraycopy(dnBytes, 0, dataBytes, pos, dnBytes.length);
|
val.setData(dataBytes);
|
key.setData(hashCode(dnBytes));
|
return insert(key, val, dnBytes);
|
}
|
|
private boolean insert(DatabaseEntry key, DatabaseEntry val, byte[] dnBytes)
|
throws JebException
|
{
|
boolean inserted = true;
|
Cursor cursor = null;
|
try
|
{
|
cursor = dnCache.openCursor(null, CursorConfig.DEFAULT);
|
OperationStatus status = cursor.putNoOverwrite(key, val);
|
if(status == OperationStatus.KEYEXIST)
|
{
|
DatabaseEntry dns = new DatabaseEntry();
|
inserted = false;
|
status = cursor.getSearchKey(key, dns, LockMode.RMW);
|
if(status == OperationStatus.NOTFOUND)
|
{
|
Message message = Message.raw(Category.JEB, Severity.SEVERE_ERROR,
|
"Search DN cache failed.");
|
throw new JebException(message);
|
}
|
if(!isDNMatched(dns, dnBytes))
|
{
|
addDN(dns, cursor, dnBytes);
|
inserted = true;
|
}
|
}
|
}
|
finally
|
{
|
if(cursor != null)
|
{
|
cursor.close();
|
}
|
}
|
return inserted;
|
}
|
|
//Add the DN to the DNs as because of a hash collision.
|
private void addDN(DatabaseEntry val, Cursor cursor,
|
byte[] dnBytes) throws JebException
|
{
|
byte[] bytes = val.getData();
|
int pLen = PackedInteger.getWriteIntLength(dnBytes.length);
|
int totLen = bytes.length + (pLen + dnBytes.length);
|
byte[] newRec = new byte[totLen];
|
System.arraycopy(bytes, 0, newRec, 0, bytes.length);
|
int pos = bytes.length;
|
pos = PackedInteger.writeInt(newRec, pos, dnBytes.length);
|
System.arraycopy(dnBytes, 0, newRec, pos, dnBytes.length);
|
DatabaseEntry newVal = new DatabaseEntry(newRec);
|
OperationStatus status = cursor.putCurrent(newVal);
|
if(status != OperationStatus.SUCCESS)
|
{
|
Message message = Message.raw(Category.JEB, Severity.SEVERE_ERROR,
|
"Add of DN to DN cache failed.");
|
throw new JebException(message);
|
}
|
}
|
|
//Return true if the specified DN is in the DNs saved as a result of hash
|
//collisions.
|
private boolean isDNMatched(DatabaseEntry dns, byte[] dnBytes)
|
{
|
int pos = 0;
|
byte[] bytes = dns.getData();
|
while(pos < dns.getData().length)
|
{
|
int pLen = PackedInteger.getReadIntLength(bytes, pos);
|
int len = PackedInteger.readInt(bytes, pos);
|
if(indexComparator.compare(bytes, pos + pLen, len, dnBytes,
|
dnBytes.length) == 0)
|
{
|
return true;
|
}
|
pos += pLen + len;
|
}
|
return false;
|
}
|
|
/**
|
* Check if the specified DN is contained in the temporary DN cache.
|
*
|
* @param dn A DN check for.
|
* @return {@code true} if the specified DN is in the temporary DN cache,
|
* or {@code false} if it is not.
|
*/
|
@Override
|
public boolean contains(DN dn)
|
{
|
boolean dnExists = false;
|
Cursor cursor = null;
|
DatabaseEntry key = new DatabaseEntry();
|
byte[] dnBytes = StaticUtils.getBytes(dn.toNormalizedString());
|
key.setData(hashCode(dnBytes));
|
try {
|
cursor = dnCache.openCursor(null, CursorConfig.DEFAULT);
|
DatabaseEntry dns = new DatabaseEntry();
|
OperationStatus status =
|
cursor.getSearchKey(key, dns, LockMode.DEFAULT);
|
if(status == OperationStatus.SUCCESS)
|
{
|
dnExists = isDNMatched(dns, dnBytes);
|
}
|
}
|
finally
|
{
|
if(cursor != null)
|
{
|
cursor.close();
|
}
|
}
|
return dnExists;
|
}
|
|
/**
|
* Return temporary environment stats.
|
*
|
* @param statsConfig A stats configuration instance.
|
*
|
* @return Environment stats.
|
* @throws DatabaseException If an error occurs retrieving the stats.
|
*/
|
public EnvironmentStats getEnvironmentStats(StatsConfig statsConfig)
|
throws DatabaseException
|
{
|
return environment.getStats(statsConfig);
|
}
|
}
|
|
|
/**
|
* Uncaught exception handler. Try and catch any uncaught exceptions, log
|
* them and print a stack trace.
|
*/
|
private class DefaultExceptionHandler
|
implements Thread.UncaughtExceptionHandler {
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override
|
public void uncaughtException(Thread t, Throwable e) {
|
if (debugEnabled())
|
{
|
TRACER.debugCaught(DebugLogLevel.ERROR, e);
|
}
|
|
Message message =
|
ERR_JEB_IMPORT_UNCAUGHT_EXCEPTION.get(stackTraceToString(e));
|
logError(message);
|
System.exit(1);
|
}
|
}
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override
|
public void diskLowThresholdReached(DiskSpaceMonitor monitor) {
|
diskFullThresholdReached(monitor);
|
}
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override
|
public void diskFullThresholdReached(DiskSpaceMonitor monitor) {
|
isCanceled = true;
|
Message msg;
|
if(!isPhaseOneDone)
|
{
|
msg = ERR_IMPORT_LDIF_LACK_DISK_PHASE_ONE.get(
|
monitor.getDirectory().getPath(), monitor.getFreeSpace(),
|
monitor.getLowThreshold());
|
}
|
else
|
{
|
msg = ERR_IMPORT_LDIF_LACK_DISK_PHASE_TWO.get(
|
monitor.getDirectory().getPath(), monitor.getFreeSpace(),
|
monitor.getLowThreshold());
|
}
|
logError(msg);
|
}
|
|
/**
|
* {@inheritDoc}
|
*/
|
@Override
|
public void diskSpaceRestored(DiskSpaceMonitor monitor) {
|
// Do nothing.
|
}
|
}
|
