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997 lines
44 KiB
997 lines
44 KiB
// Fulltext.java
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// (C) 2006 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
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// first published 2006 as part of 'plasmaCrawlLURL.java' on http://yacy.net
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//
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// This is a part of YaCy, a peer-to-peer based web search engine
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//
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// LICENSE
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package net.yacy.search.index;
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import java.io.BufferedOutputStream;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.net.MalformedURLException;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Date;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import java.util.concurrent.BlockingQueue;
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import java.util.concurrent.LinkedBlockingQueue;
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import java.util.concurrent.atomic.AtomicInteger;
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import java.util.regex.Pattern;
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import net.yacy.cora.date.GenericFormatter;
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import net.yacy.cora.date.ISO8601Formatter;
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import net.yacy.cora.document.ASCII;
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import net.yacy.cora.document.MultiProtocolURI;
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import net.yacy.cora.federate.solr.connector.AbstractSolrConnector;
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import net.yacy.cora.federate.solr.connector.EmbeddedSolrConnector;
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import net.yacy.cora.federate.solr.connector.RemoteSolrConnector;
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import net.yacy.cora.federate.solr.connector.ShardSelection;
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import net.yacy.cora.federate.solr.connector.SolrConnector;
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import net.yacy.cora.federate.solr.instance.EmbeddedInstance;
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import net.yacy.cora.federate.solr.instance.InstanceMirror;
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import net.yacy.cora.federate.solr.instance.RemoteInstance;
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import net.yacy.cora.federate.solr.instance.ShardInstance;
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import net.yacy.cora.order.CloneableIterator;
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import net.yacy.cora.sorting.ReversibleScoreMap;
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import net.yacy.cora.sorting.ScoreMap;
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import net.yacy.cora.sorting.WeakPriorityBlockingQueue;
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import net.yacy.cora.storage.ZIPReader;
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import net.yacy.cora.storage.ZIPWriter;
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import net.yacy.document.parser.html.CharacterCoding;
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import net.yacy.kelondro.data.meta.DigestURI;
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import net.yacy.kelondro.data.meta.URIMetadataNode;
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import net.yacy.kelondro.data.meta.URIMetadataRow;
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import net.yacy.kelondro.data.word.WordReferenceVars;
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import net.yacy.kelondro.index.Cache;
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import net.yacy.kelondro.index.Index;
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import net.yacy.kelondro.index.Row;
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import net.yacy.kelondro.logging.Log;
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import net.yacy.kelondro.table.SplitTable;
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import net.yacy.kelondro.util.MemoryControl;
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import net.yacy.search.Switchboard;
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import net.yacy.search.schema.CollectionConfiguration;
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import net.yacy.search.schema.CollectionSchema;
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import net.yacy.search.schema.WebgraphConfiguration;
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import net.yacy.search.schema.WebgraphSchema;
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import org.apache.commons.httpclient.util.DateUtil;
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import org.apache.solr.common.SolrDocument;
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import org.apache.solr.common.SolrException;
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import org.apache.solr.common.SolrInputDocument;
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import org.apache.lucene.util.Version;
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import org.apache.solr.core.CoreContainer;
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public final class Fulltext {
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private static final String SOLR_PATH = "solr_40"; // the number should be identical to the number in the property luceneMatchVersion in solrconfig.xml
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private static final String SOLR_OLD_PATH[] = new String[]{"solr_36"};
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// class objects
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private final File segmentPath;
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private Index urlIndexFile;
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private Export exportthread; // will have a export thread assigned if exporter is running
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private String tablename;
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private ArrayList<HostStat> statsDump;
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private InstanceMirror solrInstances;
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private final CollectionConfiguration collectionConfiguration;
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private final WebgraphConfiguration webgraphConfiguration;
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private final LinkedBlockingQueue<URIMetadataRow> pendingCollectionInputRows;
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private final LinkedBlockingQueue<SolrInputDocument> pendingCollectionInputDocuments;
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protected Fulltext(final File segmentPath, final CollectionConfiguration collectionConfiguration, final WebgraphConfiguration webgraphConfiguration) {
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this.segmentPath = segmentPath;
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this.tablename = null;
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this.urlIndexFile = null;
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this.exportthread = null; // will have a export thread assigned if exporter is running
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this.statsDump = null;
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this.solrInstances = new InstanceMirror();
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this.collectionConfiguration = collectionConfiguration;
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this.webgraphConfiguration = webgraphConfiguration;
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this.pendingCollectionInputRows = new LinkedBlockingQueue<URIMetadataRow>();
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this.pendingCollectionInputDocuments = new LinkedBlockingQueue<SolrInputDocument>();
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}
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/**
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* @deprecated
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* used only for migration
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* @return the connected URLDb
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*/
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@Deprecated
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public Index getURLDb() {
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return this.urlIndexFile;
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}
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/**
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* true if old metadata index URLDb is connected.
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* used only for migration
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* @deprecated
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* current and future versions use Solr for metadata
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*/
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@Deprecated
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public boolean connectedURLDb() {
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return this.urlIndexFile != null;
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}
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protected void connectUrlDb(final String tablename, final boolean useTailCache, final boolean exceed134217727) {
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if (this.urlIndexFile != null) return;
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this.tablename = tablename;
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this.urlIndexFile = new SplitTable(new File(this.segmentPath, "default"), tablename, URIMetadataRow.rowdef, useTailCache, exceed134217727);
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// SplitTable always returns != null, even if no file exists.
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// as old UrlDb should be null if not exist, check and close if empty
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// TODO: check if a SplitTable.open() returning null or error status on not existing file is preferable
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if (this.urlIndexFile.isEmpty()) {
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disconnectUrlDb();
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}
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}
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public void disconnectUrlDb() {
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if (this.urlIndexFile == null) return;
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this.urlIndexFile.close();
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this.urlIndexFile = null;
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}
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public CollectionConfiguration getDefaultConfiguration() {
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return this.collectionConfiguration;
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}
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public WebgraphConfiguration getWebgraphConfiguration() {
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return this.webgraphConfiguration;
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}
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public boolean connectedLocalSolr() {
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return this.solrInstances.isConnected0();
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}
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public void connectLocalSolr() throws IOException {
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File solrLocation = new File(this.segmentPath, SOLR_PATH);
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// migrate old solr to new
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for (String oldVersion: SOLR_OLD_PATH) {
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File oldLocation = new File(this.segmentPath, oldVersion);
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if (oldLocation.exists()) oldLocation.renameTo(solrLocation);
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}
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assert CoreContainer.DEFAULT_DEFAULT_CORE_NAME.equals(CollectionSchema.CORE_NAME); // check that solr and we use the same default core name
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EmbeddedInstance localCollectionInstance = new EmbeddedInstance(new File(new File(Switchboard.getSwitchboard().appPath, "defaults"), "solr"), solrLocation, CollectionSchema.CORE_NAME, new String[]{CollectionSchema.CORE_NAME, WebgraphSchema.CORE_NAME});
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EmbeddedSolrConnector localCollectionConnector = new EmbeddedSolrConnector(localCollectionInstance);
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Version luceneVersion = localCollectionConnector.getConfig().getLuceneVersion("luceneMatchVersion");
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String lvn = luceneVersion.name();
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Log.logInfo("Fulltext", "using lucene version " + lvn);
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int p = lvn.indexOf('_');
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assert SOLR_PATH.endsWith(lvn.substring(p)) : "luceneVersion = " + lvn + ", solrPath = " + SOLR_PATH + ", p = " + p + ", check defaults/solr/solrconfig.xml";
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Log.logInfo("Fulltext", "connected solr in " + solrLocation.toString() + ", lucene version " + lvn + ", default core size: " + localCollectionConnector.getSize());
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this.solrInstances.connect0(localCollectionInstance);
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}
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public void disconnectLocalSolr() {
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this.solrInstances.disconnect0();
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}
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public boolean connectedRemoteSolr() {
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return this.solrInstances.isConnected1();
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}
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public void connectRemoteSolr(final ArrayList<RemoteInstance> instances) {
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this.solrInstances.connect1(new ShardInstance(instances, ShardSelection.Method.MODULO_HOST_MD5));
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}
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public void disconnectRemoteSolr() {
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this.solrInstances.disconnect1();
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}
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public EmbeddedSolrConnector getDefaultEmbeddedConnector() {
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return this.solrInstances.getDefaultEmbeddedConnector();
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}
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public EmbeddedSolrConnector getEmbeddedConnector(String corename) {
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return this.solrInstances.getEmbeddedConnector(corename);
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}
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public RemoteSolrConnector getDefaultRemoteSolrConnector() {
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if (this.solrInstances.getSolr1() == null) return null;
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try {
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return new RemoteSolrConnector(this.solrInstances.getSolr1());
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} catch (IOException e) {
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return null;
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}
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}
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public SolrConnector getDefaultConnector() {
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return this.solrInstances.getDefaultMirrorConnector();
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}
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public SolrConnector getWebgraphConnector() {
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return this.solrInstances.getMirrorConnector(WebgraphSchema.CORE_NAME);
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}
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public void clearCache() {
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if (this.urlIndexFile != null && this.urlIndexFile instanceof Cache) ((Cache) this.urlIndexFile).clearCache();
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if (this.statsDump != null) this.statsDump.clear();
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this.solrInstances.clearCache();
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this.statsDump = null;
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}
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public void clearURLIndex() throws IOException {
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if (this.exportthread != null) this.exportthread.interrupt();
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if (this.urlIndexFile == null) {
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SplitTable.delete(new File(this.segmentPath, "default"), this.tablename);
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} else {
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this.urlIndexFile.clear();
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}
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this.statsDump = null;
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this.commit(true);
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}
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public void clearLocalSolr() throws IOException {
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EmbeddedInstance instance = this.solrInstances.getSolr0();
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if (instance != null) {
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for (String name: instance.getCoreNames()) new EmbeddedSolrConnector(instance, name).clear();
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}
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this.commit(false);
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this.solrInstances.clearCache();
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}
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public void clearRemoteSolr() throws IOException {
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ShardInstance instance = this.solrInstances.getSolr1();
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if (instance != null) {
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for (String name: instance.getCoreNames()) new RemoteSolrConnector(instance, name).clear();
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}
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this.solrInstances.clearCache();
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}
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/**
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* get the size of the default index
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* @return
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*/
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public long collectionSize() {
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long size = this.urlIndexFile == null ? 0 : this.urlIndexFile.size();
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size += this.getDefaultConnector().getSize();
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return size;
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}
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/**
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* get the size of the webgraph index
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* @return
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*/
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public long webgraphSize() {
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return this.getWebgraphConnector().getSize();
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}
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public void close() {
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this.statsDump = null;
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if (this.urlIndexFile != null) {
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this.urlIndexFile.close();
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this.urlIndexFile = null;
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}
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this.solrInstances.close();
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}
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public void commit(boolean softCommit) {
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getDefaultConnector().commit(softCommit);
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getWebgraphConnector().commit(softCommit);
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}
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public Date getLoadDate(final String urlHash) {
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if (urlHash == null) return null;
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Date x;
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try {
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x = (Date) this.getDefaultConnector().getFieldById(urlHash, CollectionSchema.load_date_dt.getSolrFieldName());
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} catch (IOException e) {
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return null;
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}
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return x;
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}
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public DigestURI getURL(final byte[] urlHash) {
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if (urlHash == null) return null;
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// try to get the data from the delayed cache; this happens if we retrieve this from a fresh search result
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String u = ASCII.String(urlHash);
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for (URIMetadataRow entry: this.pendingCollectionInputRows) {
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if (u.equals(ASCII.String(entry.hash()))) {
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if (this.urlIndexFile != null) try {this.urlIndexFile.remove(urlHash);} catch (IOException e) {} // migration
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return entry.url();
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}
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}
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for (SolrInputDocument doc: this.pendingCollectionInputDocuments) {
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if (u.equals(doc.getFieldValue(CollectionSchema.id.getSolrFieldName()))) {
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if (this.urlIndexFile != null) try {this.urlIndexFile.remove(urlHash);} catch (IOException e) {} // migration
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String url = (String) doc.getFieldValue(CollectionSchema.sku.getSolrFieldName());
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if (url != null) try {return new DigestURI(url);} catch (MalformedURLException e) {}
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}
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}
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String x;
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try {
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x = (String) this.getDefaultConnector().getFieldById(ASCII.String(urlHash), CollectionSchema.sku.getSolrFieldName());
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} catch (IOException e) {
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return null;
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}
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if (x == null) return null;
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try {
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DigestURI uri = new DigestURI(x, urlHash);
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return uri;
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} catch (MalformedURLException e) {
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return null;
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}
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}
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public URIMetadataNode getMetadata(WeakPriorityBlockingQueue.Element<WordReferenceVars> element) {
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if (element == null) return null;
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WordReferenceVars wre = element.getElement();
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long weight = element.getWeight();
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if (wre == null) return null; // all time was already wasted in takeRWI to get another element
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URIMetadataNode node = getMetadata(wre.urlhash(), wre, weight);
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return node;
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}
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public URIMetadataNode getMetadata(final byte[] urlHash) {
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if (urlHash == null) return null;
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return getMetadata(urlHash, null, 0);
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}
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private URIMetadataNode getMetadata(final byte[] urlHash, WordReferenceVars wre, long weight) {
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String u = ASCII.String(urlHash);
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// try to get the data from the delayed cache; this happens if we retrieve this from a fresh search result
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for (URIMetadataRow entry: this.pendingCollectionInputRows) {
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if (u.equals(ASCII.String(entry.hash()))) {
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if (this.urlIndexFile != null) try {this.urlIndexFile.remove(urlHash);} catch (IOException e) {} // migration
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SolrDocument sd = this.collectionConfiguration.toSolrDocument(getDefaultConfiguration().metadata2solr(entry));
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return new URIMetadataNode(sd, wre, weight);
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}
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}
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for (SolrInputDocument doc: this.pendingCollectionInputDocuments) {
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if (u.equals(doc.getFieldValue(CollectionSchema.id.getSolrFieldName()))) {
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if (this.urlIndexFile != null) try {this.urlIndexFile.remove(urlHash);} catch (IOException e) {} // migration
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SolrDocument sd = this.collectionConfiguration.toSolrDocument(doc);
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return new URIMetadataNode(sd, wre, weight);
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}
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}
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// get the metadata from Solr
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try {
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SolrDocument doc = this.getDefaultConnector().getDocumentById(u);
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if (doc != null) {
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if (this.urlIndexFile != null) this.urlIndexFile.remove(urlHash); // migration
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return new URIMetadataNode(doc, wre, weight);
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}
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} catch (IOException e) {
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Log.logException(e);
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}
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// get the metadata from the old metadata index
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if (this.urlIndexFile != null) try {
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// slow migration to solr
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final Row.Entry entry = this.urlIndexFile.remove(urlHash);
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if (entry == null) return null;
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URIMetadataRow row = new URIMetadataRow(entry, wre);
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SolrInputDocument solrInput = this.collectionConfiguration.metadata2solr(row);
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this.putDocument(solrInput);
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SolrDocument sd = this.collectionConfiguration.toSolrDocument(solrInput);
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return new URIMetadataNode(sd, wre, weight);
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} catch (final IOException e) {
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Log.logException(e);
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}
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return null;
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}
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public void putDocument(final SolrInputDocument doc) throws IOException {
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SolrConnector connector = this.getDefaultConnector();
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if (connector == null) return;
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String id = (String) doc.getFieldValue(CollectionSchema.id.getSolrFieldName());
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byte[] idb = ASCII.getBytes(id);
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try {
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if (this.urlIndexFile != null) this.urlIndexFile.remove(idb);
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//Date sdDate = (Date) connector.getFieldById(id, CollectionSchema.last_modified.getSolrFieldName());
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//Date docDate = null;
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//if (sdDate == null || (docDate = SchemaConfiguration.getDate(doc, CollectionSchema.last_modified)) == null || sdDate.before(docDate)) {
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if (this.collectionConfiguration.contains(CollectionSchema.ip_s)) {
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// ip_s needs a dns lookup which causes blockings during search here
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connector.add(doc);
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} else synchronized (this.solrInstances) {
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connector.add(doc);
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}
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//}
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} catch (SolrException e) {
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throw new IOException(e.getMessage(), e);
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}
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this.statsDump = null;
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if (MemoryControl.shortStatus()) clearCache();
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}
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public void putDocuments(final Collection<SolrInputDocument> docs) throws IOException {
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if (docs == null || docs.size() == 0) return;
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this.getDefaultConnector().add(docs);
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this.statsDump = null;
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if (MemoryControl.shortStatus()) clearCache();
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}
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public void putDocumentLater(final SolrInputDocument doc) {
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if (MemoryControl.shortStatus()) {
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try {
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putDocument(doc);
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return;
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} catch (IOException ee) {
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Log.logException(ee);
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}
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}
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try {
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this.pendingCollectionInputDocuments.put(doc);
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} catch (InterruptedException e) {
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try {
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putDocument(doc);
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} catch (IOException ee) {
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Log.logException(ee);
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}
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}
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}
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public int pendingInputDocuments() {
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return this.pendingCollectionInputRows.size() + this.pendingCollectionInputDocuments.size();
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}
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public int processPendingInputDocuments(int count) throws IOException {
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if (count == 0) return 0;
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boolean shortMemStatus = MemoryControl.shortStatus();
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if (!shortMemStatus || this.pendingCollectionInputDocuments.size() < count) {
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pendingRows2Docs(count);
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}
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SolrInputDocument doc;
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Collection<SolrInputDocument> docs = new ArrayList<SolrInputDocument>(count);
|
|
while ((shortMemStatus || count-- > 0) && (doc = this.pendingCollectionInputDocuments.poll()) != null) {
|
|
docs.add(doc);
|
|
}
|
|
if (docs.size() > 0) this.putDocuments(docs);
|
|
return docs.size();
|
|
}
|
|
|
|
private void pendingRows2Docs(int count) throws IOException {
|
|
URIMetadataRow entry;
|
|
while (count-- > 0 && (entry = this.pendingCollectionInputRows.poll()) != null) {
|
|
byte[] idb = entry.hash();
|
|
String id = ASCII.String(idb);
|
|
try {
|
|
if (this.urlIndexFile != null) this.urlIndexFile.remove(idb);
|
|
// because node entries are richer than metadata entries we must check if they exist to prevent that they are overwritten
|
|
SolrDocument sd = this.getDefaultConnector().getDocumentById(id);
|
|
if (sd == null || (new URIMetadataNode(sd)).isOlder(entry)) {
|
|
putDocumentLater(getDefaultConfiguration().metadata2solr(entry));
|
|
}
|
|
} catch (SolrException e) {
|
|
throw new IOException(e.getMessage(), e);
|
|
}
|
|
}
|
|
}
|
|
|
|
public void putEdges(final Collection<SolrInputDocument> edges) throws IOException {
|
|
if (edges == null || edges.size() == 0) return;
|
|
try {
|
|
this.getWebgraphConnector().add(edges);
|
|
} catch (SolrException e) {
|
|
throw new IOException(e.getMessage(), e);
|
|
}
|
|
this.statsDump = null;
|
|
if (MemoryControl.shortStatus()) clearCache();
|
|
}
|
|
|
|
public void putMetadata(final URIMetadataRow entry) throws IOException {
|
|
byte[] idb = entry.hash();
|
|
String id = ASCII.String(idb);
|
|
try {
|
|
if (this.urlIndexFile != null) this.urlIndexFile.remove(idb);
|
|
// because node entries are richer than metadata entries we must check if they exist to prevent that they are overwritten
|
|
SolrDocument sd = this.getDefaultConnector().getDocumentById(id);
|
|
if (sd == null || (new URIMetadataNode(sd)).isOlder(entry)) {
|
|
putDocument(getDefaultConfiguration().metadata2solr(entry));
|
|
}
|
|
} catch (SolrException e) {
|
|
throw new IOException(e.getMessage(), e);
|
|
}
|
|
this.statsDump = null;
|
|
if (MemoryControl.shortStatus()) clearCache();
|
|
}
|
|
|
|
public void putMetadataLater(final URIMetadataRow entry) throws IOException {
|
|
if (MemoryControl.shortStatus()) {
|
|
putMetadata(entry);
|
|
return;
|
|
}
|
|
try {
|
|
this.pendingCollectionInputRows.put(entry);
|
|
} catch (InterruptedException e) {
|
|
try {
|
|
putMetadata(entry);
|
|
} catch (IOException ee) {
|
|
Log.logException(ee);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* using a fragment of the url hash (6 bytes: bytes 6 to 11) it is possible to address all urls from a specific domain
|
|
* here such a fragment can be used to delete all these domains at once
|
|
* @param hosthash the hash of the host to be deleted
|
|
* @param freshdate either NULL or a date in the past which is the limit for deletion. Only documents older than this date are deleted
|
|
* @throws IOException
|
|
*/
|
|
public void deleteDomainHashpart(final String hosthash, Date freshdate, boolean concurrent) {
|
|
// first collect all url hashes that belong to the domain
|
|
assert hosthash.length() == 6;
|
|
final String collection1Query = CollectionSchema.host_id_s.getSolrFieldName() + ":\"" + hosthash + "\"" +
|
|
((freshdate != null && freshdate.before(new Date())) ?
|
|
(" AND " + CollectionSchema.load_date_dt.getSolrFieldName() + ":[* TO " + ISO8601Formatter.FORMATTER.format(freshdate) + "]") :
|
|
""
|
|
);
|
|
final String webgraphQuery = WebgraphSchema.source_host_id_s.getSolrFieldName() + ":\"" + hosthash + "\"" +
|
|
((freshdate != null && freshdate.before(new Date())) ?
|
|
(" AND " + WebgraphSchema.load_date_dt.getSolrFieldName() + ":[* TO " + ISO8601Formatter.FORMATTER.format(freshdate) + "]") :
|
|
""
|
|
);
|
|
Thread t = new Thread() {
|
|
public void run() {
|
|
// delete in solr
|
|
synchronized (Fulltext.this.solrInstances) {
|
|
try {Fulltext.this.getDefaultConnector().deleteByQuery(collection1Query);} catch (IOException e) {}
|
|
try {Fulltext.this.getWebgraphConnector().deleteByQuery(webgraphQuery);} catch (IOException e) {}
|
|
}
|
|
|
|
// delete in old metadata structure
|
|
if (Fulltext.this.urlIndexFile != null) {
|
|
final ArrayList<String> l = new ArrayList<String>();
|
|
synchronized (this) {
|
|
CloneableIterator<byte[]> i;
|
|
try {
|
|
i = Fulltext.this.urlIndexFile.keys(true, null);
|
|
String hash;
|
|
while (i != null && i.hasNext()) {
|
|
hash = ASCII.String(i.next());
|
|
if (hosthash.equals(hash.substring(6))) l.add(hash);
|
|
}
|
|
|
|
// then delete the urls using this list
|
|
for (final String h: l) Fulltext.this.urlIndexFile.delete(ASCII.getBytes(h));
|
|
} catch (IOException e) {}
|
|
}
|
|
}
|
|
|
|
// finally remove the line with statistics
|
|
if (Fulltext.this.statsDump != null) {
|
|
final Iterator<HostStat> hsi = Fulltext.this.statsDump.iterator();
|
|
HostStat hs;
|
|
while (hsi.hasNext()) {
|
|
hs = hsi.next();
|
|
if (hs.hosthash.equals(hosthash)) {
|
|
hsi.remove();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
};
|
|
if (concurrent) t.start(); else {
|
|
t.run();
|
|
Fulltext.this.commit(true);
|
|
}
|
|
}
|
|
|
|
public void deleteDomainHostname(final String hostname, Date freshdate, boolean concurrent) {
|
|
// first collect all url hashes that belong to the domain
|
|
final String collectionQuery =
|
|
CollectionSchema.host_s.getSolrFieldName() + ":\"" + hostname + "\"" +
|
|
((freshdate != null && freshdate.before(new Date())) ?
|
|
(" AND " + CollectionSchema.load_date_dt.getSolrFieldName() + ":[* TO " + ISO8601Formatter.FORMATTER.format(freshdate) + "]") :
|
|
""
|
|
);
|
|
final String webgraphQuery =
|
|
WebgraphSchema.source_host_s.getSolrFieldName() + ":\"" + hostname + "\"" +
|
|
((freshdate != null && freshdate.before(new Date())) ?
|
|
(" AND " + WebgraphSchema.load_date_dt.getSolrFieldName() + ":[* TO " + ISO8601Formatter.FORMATTER.format(freshdate) + "]") :
|
|
""
|
|
);
|
|
Thread t = new Thread() {
|
|
public void run() {
|
|
// delete in solr
|
|
synchronized (Fulltext.this.solrInstances) {
|
|
try {Fulltext.this.getDefaultConnector().deleteByQuery(collectionQuery);} catch (IOException e) {}
|
|
try {Fulltext.this.getWebgraphConnector().deleteByQuery(webgraphQuery);} catch (IOException e) {}
|
|
}
|
|
// finally remove the line with statistics
|
|
if (Fulltext.this.statsDump != null) {
|
|
final Iterator<HostStat> hsi = Fulltext.this.statsDump.iterator();
|
|
HostStat hs;
|
|
while (hsi.hasNext()) {
|
|
hs = hsi.next();
|
|
if (hs.hostname.equals(hostname)) {
|
|
hsi.remove();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
};
|
|
if (concurrent) t.start(); else {
|
|
t.run();
|
|
Fulltext.this.commit(true);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* remove a full subpath from the index
|
|
* @param subpath the left path of the url; at least until the end of the host
|
|
* @param freshdate either NULL or a date in the past which is the limit for deletion. Only documents older than this date are deleted
|
|
* @param concurrently if true, then the method returnes immediately and runs concurrently
|
|
*/
|
|
public int remove(final String basepath, Date freshdate, final boolean concurrently) {
|
|
DigestURI uri;
|
|
try {uri = new DigestURI(basepath);} catch (MalformedURLException e) {return 0;}
|
|
final String host = uri.getHost();
|
|
final String collectionQuery = CollectionSchema.host_s.getSolrFieldName() + ":\"" + host + "\"" +
|
|
((freshdate != null && freshdate.before(new Date())) ? (" AND " + CollectionSchema.load_date_dt.getSolrFieldName() + ":[* TO " + ISO8601Formatter.FORMATTER.format(freshdate) + "]") : "");
|
|
final AtomicInteger count = new AtomicInteger(0);
|
|
Thread t = new Thread(){
|
|
public void run() {
|
|
final BlockingQueue<SolrDocument> docs = Fulltext.this.getDefaultConnector().concurrentDocumentsByQuery(collectionQuery, 0, 1000000, 600000, -1, CollectionSchema.id.getSolrFieldName(), CollectionSchema.sku.getSolrFieldName());
|
|
try {
|
|
SolrDocument doc;
|
|
while ((doc = docs.take()) != AbstractSolrConnector.POISON_DOCUMENT) {
|
|
String u = (String) doc.getFieldValue(CollectionSchema.sku.getSolrFieldName());
|
|
if (u.startsWith(basepath)) {
|
|
remove(ASCII.getBytes((String) doc.getFieldValue(CollectionSchema.id.getSolrFieldName())));
|
|
count.incrementAndGet();
|
|
}
|
|
}
|
|
if (count.get() > 0) Fulltext.this.commit(true);
|
|
} catch (InterruptedException e) {}
|
|
}
|
|
};
|
|
if (concurrently) t.start(); else t.run();
|
|
return count.get();
|
|
}
|
|
|
|
/**
|
|
* remove a list of id's from the index
|
|
* @param deleteIDs a list of urlhashes; each denoting a document
|
|
* @param concurrently if true, then the method returnes immediately and runs concurrently
|
|
*/
|
|
public void remove(final List<byte[]> deleteIDs, final boolean concurrently) {
|
|
if (deleteIDs == null || deleteIDs.size() == 0) return;
|
|
Thread t = new Thread() {
|
|
public void run() {
|
|
try {
|
|
synchronized (Fulltext.this.solrInstances) {
|
|
for (byte[] urlHash: deleteIDs) {
|
|
Fulltext.this.getDefaultConnector().deleteById(ASCII.String(urlHash));
|
|
Fulltext.this.getWebgraphConnector().deleteByQuery(WebgraphSchema.source_id_s.getSolrFieldName() + ":\"" + ASCII.String(urlHash) + "\"");
|
|
}
|
|
Fulltext.this.commit(true);
|
|
}
|
|
} catch (final Throwable e) {
|
|
Log.logException(e);
|
|
}
|
|
if (Fulltext.this.urlIndexFile != null) try {
|
|
for (byte[] urlHash: deleteIDs) {
|
|
final Row.Entry r = Fulltext.this.urlIndexFile.remove(urlHash);
|
|
if (r != null) Fulltext.this.statsDump = null;
|
|
}
|
|
} catch (final IOException e) {}
|
|
}};
|
|
if (concurrently) t.start(); else t.run();
|
|
}
|
|
|
|
public boolean remove(final byte[] urlHash) {
|
|
if (urlHash == null) return false;
|
|
try {
|
|
synchronized (this.solrInstances) {
|
|
this.getDefaultConnector().deleteById(ASCII.String(urlHash));
|
|
this.getWebgraphConnector().deleteByQuery(WebgraphSchema.source_id_s.getSolrFieldName() + ":\"" + ASCII.String(urlHash) + "\"");
|
|
}
|
|
} catch (final Throwable e) {
|
|
Log.logException(e);
|
|
}
|
|
if (this.urlIndexFile != null) try {
|
|
final Row.Entry r = this.urlIndexFile.remove(urlHash);
|
|
if (r != null) this.statsDump = null;
|
|
return r != null;
|
|
} catch (final IOException e) {
|
|
return false;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
public boolean exists(final String urlHash) {
|
|
if (urlHash == null) return false;
|
|
for (URIMetadataRow entry: this.pendingCollectionInputRows) {
|
|
if (urlHash.equals(ASCII.String(entry.hash()))) return true;
|
|
}
|
|
for (SolrInputDocument doc: this.pendingCollectionInputDocuments) {
|
|
if (urlHash.equals(doc.getFieldValue(CollectionSchema.id.getSolrFieldName()))) return true;
|
|
}
|
|
try {
|
|
if (this.getDefaultConnector().existsById(urlHash)) return true;
|
|
} catch (final Throwable e) {
|
|
Log.logException(e);
|
|
}
|
|
if (this.urlIndexFile != null && this.urlIndexFile.has(ASCII.getBytes(urlHash))) return true;
|
|
return false;
|
|
}
|
|
|
|
public String failReason(final String urlHash) throws IOException {
|
|
if (urlHash == null) return null;
|
|
String reason = (String) this.getDefaultConnector().getFieldById(urlHash, CollectionSchema.failreason_t.getSolrFieldName());
|
|
if (reason == null) return null;
|
|
return reason == null ? null : reason.length() == 0 ? null : reason;
|
|
}
|
|
|
|
public List<File> dumpFiles() {
|
|
EmbeddedInstance esc = this.solrInstances.getSolr0();
|
|
ArrayList<File> zips = new ArrayList<File>();
|
|
if (esc == null) {
|
|
Log.logWarning("Fulltext", "HOT DUMP selected solr0 == NULL, no dump list!");
|
|
return zips;
|
|
}
|
|
if (esc.getContainerPath() == null) {
|
|
Log.logWarning("Fulltext", "HOT DUMP selected solr0.getStoragePath() == NULL, no dump list!");
|
|
return zips;
|
|
}
|
|
File storagePath = esc.getContainerPath().getParentFile();
|
|
if (storagePath == null) {
|
|
Log.logWarning("Fulltext", "HOT DUMP selected esc.getStoragePath().getParentFile() == NULL, no dump list!");
|
|
return zips;
|
|
}
|
|
Log.logInfo("Fulltext", "HOT DUMP dump path = " + storagePath.toString());
|
|
for (String p: storagePath.list()) {
|
|
if (p.endsWith("zip")) zips.add(new File(storagePath, p));
|
|
}
|
|
return zips;
|
|
}
|
|
|
|
/**
|
|
* create a dump file from the current solr directory
|
|
* @return
|
|
*/
|
|
public File dumpSolr() {
|
|
EmbeddedInstance esc = this.solrInstances.getSolr0();
|
|
File storagePath = esc.getContainerPath();
|
|
File zipOut = new File(storagePath.toString() + "_" + GenericFormatter.SHORT_DAY_FORMATTER.format() + ".zip");
|
|
synchronized (this.solrInstances) {
|
|
this.disconnectLocalSolr();
|
|
this.solrInstances.close();
|
|
try {
|
|
ZIPWriter.zip(storagePath, zipOut);
|
|
} catch (IOException e) {
|
|
Log.logException(e);
|
|
} finally {
|
|
this.solrInstances = new InstanceMirror();
|
|
try {
|
|
this.connectLocalSolr();
|
|
} catch (IOException e) {
|
|
Log.logException(e);
|
|
}
|
|
}
|
|
}
|
|
return zipOut;
|
|
}
|
|
|
|
/**
|
|
* restore a solr dump to the current solr directory
|
|
* @param solrDumpZipFile
|
|
*/
|
|
public void restoreSolr(File solrDumpZipFile) {
|
|
EmbeddedInstance esc = this.solrInstances.getSolr0();
|
|
File storagePath = esc.getContainerPath();
|
|
synchronized (this.solrInstances) {
|
|
this.disconnectLocalSolr();
|
|
this.solrInstances.close();
|
|
try {
|
|
ZIPReader.unzip(solrDumpZipFile, storagePath);
|
|
} catch (IOException e) {
|
|
Log.logException(e);
|
|
} finally {
|
|
this.solrInstances = new InstanceMirror();
|
|
try {
|
|
this.connectLocalSolr();
|
|
} catch (IOException e) {
|
|
Log.logException(e);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// export methods
|
|
public Export export(final File f, final String filter, final int format, final boolean dom) {
|
|
if ((this.exportthread != null) && (this.exportthread.isAlive())) {
|
|
Log.logWarning("LURL-EXPORT", "cannot start another export thread, already one running");
|
|
return this.exportthread;
|
|
}
|
|
this.exportthread = new Export(f, filter, format, dom);
|
|
this.exportthread.start();
|
|
return this.exportthread;
|
|
}
|
|
|
|
public Export export() {
|
|
return this.exportthread;
|
|
}
|
|
|
|
public class Export extends Thread {
|
|
private final File f;
|
|
private final Pattern pattern;
|
|
private int count;
|
|
private String failure;
|
|
private final int format;
|
|
private final boolean dom;
|
|
|
|
private Export(final File f, final String filter, final int format, boolean dom) {
|
|
// format: 0=text, 1=html, 2=rss/xml
|
|
this.f = f;
|
|
this.pattern = filter == null ? null : Pattern.compile(filter);
|
|
this.count = 0;
|
|
this.failure = null;
|
|
this.format = format;
|
|
this.dom = dom;
|
|
//if ((dom) && (format == 2)) dom = false;
|
|
}
|
|
|
|
@Override
|
|
public void run() {
|
|
try {
|
|
final File parentf = this.f.getParentFile();
|
|
if (parentf != null) parentf.mkdirs();
|
|
final PrintWriter pw = new PrintWriter(new BufferedOutputStream(new FileOutputStream(this.f)));
|
|
if (this.format == 1) {
|
|
pw.println("<html><head></head><body>");
|
|
}
|
|
if (this.format == 2) {
|
|
pw.println("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
|
|
pw.println("<?xml-stylesheet type='text/xsl' href='/yacysearch.xsl' version='1.0'?>");
|
|
pw.println("<rss version=\"2.0\" xmlns:yacy=\"http://www.yacy.net/\" xmlns:opensearch=\"http://a9.com/-/spec/opensearch/1.1/\" xmlns:atom=\"http://www.w3.org/2005/Atom\">");
|
|
pw.println("<channel>");
|
|
pw.println("<title>YaCy Peer-to-Peer - Web-Search URL Export</title>");
|
|
pw.println("<description></description>");
|
|
pw.println("<link>http://yacy.net</link>");
|
|
}
|
|
|
|
|
|
if (this.dom) {
|
|
Map<String, ReversibleScoreMap<String>> scores = Fulltext.this.getDefaultConnector().getFacets(CollectionSchema.httpstatus_i.getSolrFieldName() + ":200", 100000000, CollectionSchema.host_s.getSolrFieldName());
|
|
ReversibleScoreMap<String> stats = scores.get(CollectionSchema.host_s.getSolrFieldName());
|
|
for (final String host: stats) {
|
|
if (this.pattern != null && !this.pattern.matcher(host).matches()) continue;
|
|
if (this.format == 0) pw.println(host);
|
|
if (this.format == 1) pw.println("<a href=\"http://" + host + "\">" + host + "</a><br>");
|
|
this.count++;
|
|
}
|
|
} else {
|
|
BlockingQueue<SolrDocument> docs = Fulltext.this.getDefaultConnector().concurrentDocumentsByQuery(CollectionSchema.httpstatus_i.getSolrFieldName() + ":200", 0, 100000000, 10 * 60 * 60 * 1000, 100,
|
|
CollectionSchema.id.getSolrFieldName(), CollectionSchema.sku.getSolrFieldName(), CollectionSchema.title.getSolrFieldName(),
|
|
CollectionSchema.author.getSolrFieldName(), CollectionSchema.description.getSolrFieldName(), CollectionSchema.size_i.getSolrFieldName(), CollectionSchema.last_modified.getSolrFieldName());
|
|
SolrDocument doc;
|
|
ArrayList<?> title;
|
|
String url, author, description, hash;
|
|
Integer size;
|
|
Date date;
|
|
while ((doc = docs.take()) != AbstractSolrConnector.POISON_DOCUMENT) {
|
|
hash = (String) doc.getFieldValue(CollectionSchema.id.getSolrFieldName());
|
|
url = (String) doc.getFieldValue(CollectionSchema.sku.getSolrFieldName());
|
|
title = (ArrayList<?>) doc.getFieldValue(CollectionSchema.title.getSolrFieldName());
|
|
author = (String) doc.getFieldValue(CollectionSchema.author.getSolrFieldName());
|
|
description = (String) doc.getFieldValue(CollectionSchema.description.getSolrFieldName());
|
|
size = (Integer) doc.getFieldValue(CollectionSchema.size_i.getSolrFieldName());
|
|
date = (Date) doc.getFieldValue(CollectionSchema.last_modified.getSolrFieldName());
|
|
if (this.pattern != null && !this.pattern.matcher(url).matches()) continue;
|
|
if (this.format == 0) {
|
|
pw.println(url);
|
|
}
|
|
if (this.format == 1) {
|
|
if (title != null) pw.println("<a href=\"" + MultiProtocolURI.escape(url) + "\">" + CharacterCoding.unicode2xml((String) title.iterator().next(), true) + "</a>");
|
|
}
|
|
if (this.format == 2) {
|
|
pw.println("<item>");
|
|
if (title != null) pw.println("<title>" + CharacterCoding.unicode2xml((String) title.iterator().next(), true) + "</title>");
|
|
pw.println("<link>" + MultiProtocolURI.escape(url) + "</link>");
|
|
if (author != null && !author.isEmpty()) pw.println("<author>" + CharacterCoding.unicode2xml(author, true) + "</author>");
|
|
if (description != null && !description.isEmpty()) pw.println("<description>" + CharacterCoding.unicode2xml(description, true) + "</description>");
|
|
if (date != null) pw.println("<pubDate>" + DateUtil.formatDate(date) + "</pubDate>");
|
|
if (size != null) pw.println("<yacy:size>" + size.intValue() + "</yacy:size>");
|
|
pw.println("<guid isPermaLink=\"false\">" + hash + "</guid>");
|
|
pw.println("</item>");
|
|
}
|
|
this.count++;
|
|
}
|
|
}
|
|
if (this.format == 1) {
|
|
pw.println("</body></html>");
|
|
}
|
|
if (this.format == 2) {
|
|
pw.println("</channel>");
|
|
pw.println("</rss>");
|
|
}
|
|
pw.close();
|
|
} catch (final IOException e) {
|
|
Log.logException(e);
|
|
this.failure = e.getMessage();
|
|
} catch (final Exception e) {
|
|
Log.logException(e);
|
|
this.failure = e.getMessage();
|
|
}
|
|
// terminate process
|
|
}
|
|
|
|
public File file() {
|
|
return this.f;
|
|
}
|
|
|
|
public String failed() {
|
|
return this.failure;
|
|
}
|
|
|
|
public int count() {
|
|
return this.count;
|
|
}
|
|
|
|
}
|
|
|
|
public Iterator<HostStat> statistics(int count, final ScoreMap<String> domainScore) {
|
|
// prevent too heavy IO.
|
|
if (this.statsDump != null && count <= this.statsDump.size()) return this.statsDump.iterator();
|
|
|
|
// fetch urls from the database to determine the host in clear text
|
|
final Iterator<String> j = domainScore.keys(false); // iterate urlhash-examples in reverse order (biggest first)
|
|
String urlhash;
|
|
count += 10; // make some more to prevent that we have to do this again after deletions too soon.
|
|
if (count < 0 || domainScore.sizeSmaller(count)) count = domainScore.size();
|
|
this.statsDump = new ArrayList<HostStat>();
|
|
DigestURI url;
|
|
while (j.hasNext()) {
|
|
urlhash = j.next();
|
|
if (urlhash == null) continue;
|
|
url = this.getURL(ASCII.getBytes(urlhash));
|
|
if (url == null || url.getHost() == null) continue;
|
|
if (this.statsDump == null) return new ArrayList<HostStat>().iterator(); // some other operation has destroyed the object
|
|
this.statsDump.add(new HostStat(url.getHost(), url.getPort(), urlhash.substring(6), domainScore.get(urlhash)));
|
|
count--;
|
|
if (count == 0) break;
|
|
}
|
|
// finally return an iterator for the result array
|
|
return (this.statsDump == null) ? new ArrayList<HostStat>().iterator() : this.statsDump.iterator();
|
|
}
|
|
|
|
public static class HostStat {
|
|
public String hostname, hosthash;
|
|
public int port;
|
|
public int count;
|
|
private HostStat(final String host, final int port, final String urlhashfragment, final int count) {
|
|
assert urlhashfragment.length() == 6;
|
|
this.hostname = host;
|
|
this.port = port;
|
|
this.hosthash = urlhashfragment;
|
|
this.count = count;
|
|
}
|
|
}
|
|
}
|