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611 lines
27 KiB
611 lines
27 KiB
// CrawlSwitchboard.java
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// (C) 2005, 2006 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
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// first published 2005 on http://www.anomic.de
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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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// $LastChangedDate$
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// $LastChangedRevision$
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// $LastChangedBy$
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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.crawler;
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import java.io.File;
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import java.io.IOException;
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import java.util.Collections;
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import java.util.HashSet;
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import java.util.Iterator;
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import java.util.Map;
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import java.util.Set;
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import java.util.TreeMap;
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import java.util.concurrent.ConcurrentHashMap;
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import net.yacy.cora.document.ASCII;
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import net.yacy.cora.document.UTF8;
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import net.yacy.cora.federate.yacy.CacheStrategy;
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import net.yacy.cora.order.Base64Order;
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import net.yacy.cora.order.NaturalOrder;
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import net.yacy.cora.util.SpaceExceededException;
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import net.yacy.crawler.data.CrawlProfile;
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import net.yacy.crawler.data.CrawlQueues;
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import net.yacy.crawler.data.NoticedURL.StackType;
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import net.yacy.crawler.retrieval.Request;
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import net.yacy.kelondro.blob.MapHeap;
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import net.yacy.kelondro.data.meta.URIMetadataRow;
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import net.yacy.kelondro.data.word.Word;
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import net.yacy.kelondro.index.RowHandleSet;
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import net.yacy.kelondro.logging.Log;
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import net.yacy.kelondro.util.FileUtils;
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import net.yacy.kelondro.util.kelondroException;
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import net.yacy.search.Switchboard;
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import net.yacy.search.SwitchboardConstants;
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public final class CrawlSwitchboard {
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public static final String CRAWL_PROFILE_PROXY = "proxy";
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public static final String CRAWL_PROFILE_REMOTE = "remote";
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public static final String CRAWL_PROFILE_SNIPPET_LOCAL_TEXT = "snippetLocalText";
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public static final String CRAWL_PROFILE_SNIPPET_GLOBAL_TEXT = "snippetGlobalText";
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public static final String CRAWL_PROFILE_GREEDY_LEARNING_TEXT = "snippetGreedyLearningText";
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public static final String CRAWL_PROFILE_SNIPPET_LOCAL_MEDIA = "snippetLocalMedia";
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public static final String CRAWL_PROFILE_SNIPPET_GLOBAL_MEDIA = "snippetGlobalMedia";
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public static final String CRAWL_PROFILE_SURROGATE = "surrogates";
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public static Set<String> DEFAULT_PROFILES = new HashSet<String>();
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static {
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DEFAULT_PROFILES.add(CRAWL_PROFILE_PROXY);
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DEFAULT_PROFILES.add(CRAWL_PROFILE_REMOTE);
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DEFAULT_PROFILES.add(CRAWL_PROFILE_SNIPPET_LOCAL_TEXT);
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DEFAULT_PROFILES.add(CRAWL_PROFILE_SNIPPET_GLOBAL_TEXT);
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DEFAULT_PROFILES.add(CRAWL_PROFILE_GREEDY_LEARNING_TEXT);
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DEFAULT_PROFILES.add(CRAWL_PROFILE_SNIPPET_LOCAL_MEDIA);
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DEFAULT_PROFILES.add(CRAWL_PROFILE_SNIPPET_GLOBAL_MEDIA);
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DEFAULT_PROFILES.add(CRAWL_PROFILE_SURROGATE);
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}
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public static final String DBFILE_ACTIVE_CRAWL_PROFILES = "crawlProfilesActive.heap";
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public static final String DBFILE_PASSIVE_CRAWL_PROFILES = "crawlProfilesPassive.heap";
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public static final long CRAWL_PROFILE_PROXY_RECRAWL_CYCLE = 60L * 24L;
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public static final long CRAWL_PROFILE_SNIPPET_LOCAL_TEXT_RECRAWL_CYCLE = 60L * 24L * 30L;
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public static final long CRAWL_PROFILE_SNIPPET_GLOBAL_TEXT_RECRAWL_CYCLE = 60L * 24L * 30L;
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public static final long CRAWL_PROFILE_GREEDY_LEARNING_TEXT_RECRAWL_CYCLE = 60L * 24L * 30L;
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public static final long CRAWL_PROFILE_SNIPPET_LOCAL_MEDIA_RECRAWL_CYCLE = 60L * 24L * 30L;
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public static final long CRAWL_PROFILE_SNIPPET_GLOBAL_MEDIA_RECRAWL_CYCLE = 60L * 24L * 30L;
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public static final long CRAWL_PROFILE_SURROGATE_RECRAWL_CYCLE = 60L * 24L * 30L;
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private final Log log;
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private MapHeap profilesActiveCrawls;
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private final MapHeap profilesPassiveCrawls;
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private final Map<byte[], CrawlProfile> profilesActiveCrawlsCache; //TreeMap<byte[], DigestURI>(Base64Order.enhancedCoder);
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private final Map<String, RowHandleSet> profilesActiveCrawlsCounter;
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public CrawlProfile defaultProxyProfile;
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public CrawlProfile defaultRemoteProfile;
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public CrawlProfile defaultTextSnippetLocalProfile, defaultTextSnippetGlobalProfile;
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public CrawlProfile defaultTextGreedyLearningProfile;
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public CrawlProfile defaultMediaSnippetLocalProfile, defaultMediaSnippetGlobalProfile;
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public CrawlProfile defaultSurrogateProfile;
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private final File queuesRoot;
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public CrawlSwitchboard(final String networkName, final Log log, final File queuesRoot) {
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log.logInfo("Initializing Word Index for the network '" + networkName + "'.");
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if ( networkName == null || networkName.isEmpty() ) {
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log.logSevere("no network name given - shutting down");
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System.exit(0);
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}
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this.log = log;
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this.profilesActiveCrawlsCache = Collections.synchronizedMap(new TreeMap<byte[], CrawlProfile>(Base64Order.enhancedCoder));
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this.profilesActiveCrawlsCounter = new ConcurrentHashMap<String, RowHandleSet>();
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// make crawl profiles database and default profiles
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this.queuesRoot = queuesRoot;
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this.queuesRoot.mkdirs();
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this.log.logConfig("Initializing Crawl Profiles");
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final File profilesActiveFile = new File(queuesRoot, DBFILE_ACTIVE_CRAWL_PROFILES);
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this.profilesActiveCrawls = loadFromDB(profilesActiveFile);
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for ( final byte[] handle : this.profilesActiveCrawls.keySet() ) {
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CrawlProfile p;
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try {
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p = new CrawlProfile(this.profilesActiveCrawls.get(handle));
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} catch ( final IOException e ) {
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p = null;
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} catch ( final SpaceExceededException e ) {
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p = null;
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}
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if ( p == null ) {
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continue;
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}
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}
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initActiveCrawlProfiles();
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log.logInfo("Loaded active crawl profiles from file "
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+ profilesActiveFile.getName()
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+ ", "
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+ this.profilesActiveCrawls.size()
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+ " entries");
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final File profilesPassiveFile = new File(queuesRoot, DBFILE_PASSIVE_CRAWL_PROFILES);
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this.profilesPassiveCrawls = loadFromDB(profilesPassiveFile);
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for ( final byte[] handle : this.profilesPassiveCrawls.keySet() ) {
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CrawlProfile p;
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try {
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p = new CrawlProfile(this.profilesPassiveCrawls.get(handle));
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Log.logInfo("CrawlProfiles", "loaded Profile " + p.handle() + ": " + p.collectionName());
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} catch ( final IOException e ) {
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continue;
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} catch ( final SpaceExceededException e ) {
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continue;
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}
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}
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log.logInfo("Loaded passive crawl profiles from file "
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+ profilesPassiveFile.getName()
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+ ", "
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+ this.profilesPassiveCrawls.size()
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+ " entries"
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+ ", "
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+ profilesPassiveFile.length()
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/ 1024);
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}
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public CrawlProfile getActive(final byte[] profileKey) {
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if ( profileKey == null ) {
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return null;
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}
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// get from cache
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CrawlProfile p = this.profilesActiveCrawlsCache.get(profileKey);
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if ( p != null ) {
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return p;
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}
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// get from db
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Map<String, String> m;
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try {
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m = this.profilesActiveCrawls.get(profileKey);
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} catch ( final IOException e ) {
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m = null;
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} catch ( final SpaceExceededException e ) {
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m = null;
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}
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if ( m == null ) {
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return null; //return getPassive(profileKey);
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}
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p = new CrawlProfile(m);
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this.profilesActiveCrawlsCache.put(profileKey, p);
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return p;
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}
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public CrawlProfile getPassive(final byte[] profileKey) {
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if ( profileKey == null ) {
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return null;
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}
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Map<String, String> m;
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try {
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m = this.profilesPassiveCrawls.get(profileKey);
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} catch ( final IOException e ) {
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m = null;
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} catch ( final SpaceExceededException e ) {
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m = null;
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}
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if ( m == null ) {
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return null;
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}
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return new CrawlProfile(m);
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}
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public Set<byte[]> getActive() {
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return this.profilesActiveCrawls.keySet();
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}
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public Set<byte[]> getPassive() {
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return this.profilesPassiveCrawls.keySet();
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}
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public void removeActive(final byte[] profileKey) {
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if ( profileKey == null ) {
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return;
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}
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this.profilesActiveCrawlsCache.remove(profileKey);
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this.profilesActiveCrawls.remove(profileKey);
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}
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public void removePassive(final byte[] profileKey) {
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if ( profileKey == null ) {
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return;
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}
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this.profilesPassiveCrawls.remove(profileKey);
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}
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public void putActive(final byte[] profileKey, final CrawlProfile profile) {
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this.profilesActiveCrawls.put(profileKey, profile);
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this.profilesActiveCrawlsCache.put(profileKey, profile);
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}
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public void putPassive(final byte[] profileKey, final CrawlProfile profile) {
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this.profilesPassiveCrawls.put(profileKey, profile);
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}
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public RowHandleSet getURLHashes(final byte[] profileKey) {
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return this.profilesActiveCrawlsCounter.get(ASCII.String(profileKey));
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}
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private void initActiveCrawlProfiles() {
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// generate new default entry for proxy crawling
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final Switchboard sb = Switchboard.getSwitchboard();
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this.defaultProxyProfile =
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new CrawlProfile(
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CRAWL_PROFILE_PROXY,
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CrawlProfile.MATCH_ALL_STRING, //crawlerUrlMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //crawlerUrlMustNotMatch
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CrawlProfile.MATCH_ALL_STRING, //crawlerIpMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //crawlerIpMustNotMatch
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CrawlProfile.MATCH_NEVER_STRING, //crawlerCountryMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //crawlerNoDepthLimitMatch
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CrawlProfile.MATCH_ALL_STRING, //indexUrlMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //indexUrlMustNotMatch
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CrawlProfile.MATCH_ALL_STRING, //indexContentMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //indexContentMustNotMatch
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Integer.parseInt(sb.getConfig(SwitchboardConstants.PROXY_PREFETCH_DEPTH, "0")),
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true,
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CrawlProfile.getRecrawlDate(CRAWL_PROFILE_PROXY_RECRAWL_CYCLE),
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-1,
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false, true, true,
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sb.getConfigBool(SwitchboardConstants.PROXY_INDEXING_LOCAL_TEXT, true),
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sb.getConfigBool(SwitchboardConstants.PROXY_INDEXING_LOCAL_MEDIA, true),
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true,
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sb.getConfigBool(SwitchboardConstants.PROXY_INDEXING_REMOTE, false),
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CacheStrategy.IFFRESH,
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"robot_" + CRAWL_PROFILE_PROXY);
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this.profilesActiveCrawls.put(
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UTF8.getBytes(this.defaultProxyProfile.handle()),
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this.defaultProxyProfile);
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// generate new default entry for remote crawling
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this.defaultRemoteProfile =
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new CrawlProfile(
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CRAWL_PROFILE_REMOTE,
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CrawlProfile.MATCH_ALL_STRING, //crawlerUrlMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //crawlerUrlMustNotMatch
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CrawlProfile.MATCH_ALL_STRING, //crawlerIpMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //crawlerIpMustNotMatch
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CrawlProfile.MATCH_NEVER_STRING, //crawlerCountryMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //crawlerNoDepthLimitMatch
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CrawlProfile.MATCH_ALL_STRING, //indexUrlMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //indexUrlMustNotMatch
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CrawlProfile.MATCH_ALL_STRING, //indexContentMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //indexContentMustNotMatch
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0,
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false,
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-1,
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-1,
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true, true, true,
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true,
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true,
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false,
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false,
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CacheStrategy.IFFRESH,
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"robot_" + CRAWL_PROFILE_REMOTE);
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this.profilesActiveCrawls.put(
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UTF8.getBytes(this.defaultRemoteProfile.handle()),
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this.defaultRemoteProfile);
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// generate new default entry for snippet fetch and optional crawling
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this.defaultTextSnippetLocalProfile =
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new CrawlProfile(
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CRAWL_PROFILE_SNIPPET_LOCAL_TEXT,
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CrawlProfile.MATCH_ALL_STRING, //crawlerUrlMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //crawlerUrlMustNotMatch
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CrawlProfile.MATCH_ALL_STRING, //crawlerIpMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //crawlerIpMustNotMatch
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CrawlProfile.MATCH_NEVER_STRING, //crawlerCountryMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //crawlerNoDepthLimitMatch
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CrawlProfile.MATCH_ALL_STRING, //indexUrlMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //indexUrlMustNotMatch
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CrawlProfile.MATCH_ALL_STRING, //indexContentMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //indexContentMustNotMatch
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0,
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false,
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CrawlProfile.getRecrawlDate(CRAWL_PROFILE_SNIPPET_LOCAL_TEXT_RECRAWL_CYCLE),
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-1,
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true, true, true,
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false,
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false,
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true,
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false,
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CacheStrategy.IFEXIST,
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"robot_" + CRAWL_PROFILE_SNIPPET_LOCAL_TEXT);
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this.profilesActiveCrawls.put(
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UTF8.getBytes(this.defaultTextSnippetLocalProfile.handle()),
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this.defaultTextSnippetLocalProfile);
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// generate new default entry for snippet fetch and optional crawling
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this.defaultTextSnippetGlobalProfile =
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new CrawlProfile(
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CRAWL_PROFILE_SNIPPET_GLOBAL_TEXT,
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CrawlProfile.MATCH_ALL_STRING, //crawlerUrlMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //crawlerUrlMustNotMatch
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CrawlProfile.MATCH_ALL_STRING, //crawlerIpMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //crawlerIpMustNotMatch
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CrawlProfile.MATCH_NEVER_STRING, //crawlerCountryMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //crawlerNoDepthLimitMatch
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CrawlProfile.MATCH_ALL_STRING, //indexUrlMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //indexUrlMustNotMatch
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CrawlProfile.MATCH_ALL_STRING, //indexContentMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //indexContentMustNotMatch
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0,
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false,
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CrawlProfile.getRecrawlDate(CRAWL_PROFILE_SNIPPET_GLOBAL_TEXT_RECRAWL_CYCLE),
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-1,
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true, true, true,
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true,
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true,
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true,
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false,
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CacheStrategy.IFEXIST,
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"robot_" + CRAWL_PROFILE_SNIPPET_GLOBAL_TEXT);
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this.profilesActiveCrawls.put(
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UTF8.getBytes(this.defaultTextSnippetGlobalProfile.handle()),
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this.defaultTextSnippetGlobalProfile);
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this.defaultTextSnippetGlobalProfile.setCacheStrategy(CacheStrategy.IFEXIST);
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// generate new default entry for greedy learning
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this.defaultTextGreedyLearningProfile =
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new CrawlProfile(
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CRAWL_PROFILE_GREEDY_LEARNING_TEXT,
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CrawlProfile.MATCH_ALL_STRING, //crawlerUrlMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //crawlerUrlMustNotMatch
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CrawlProfile.MATCH_ALL_STRING, //crawlerIpMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //crawlerIpMustNotMatch
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CrawlProfile.MATCH_NEVER_STRING, //crawlerCountryMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //crawlerNoDepthLimitMatch
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CrawlProfile.MATCH_ALL_STRING, //indexUrlMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //indexUrlMustNotMatch
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CrawlProfile.MATCH_ALL_STRING, //indexContentMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //indexContentMustNotMatch
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0,
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false,
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CrawlProfile.getRecrawlDate(CRAWL_PROFILE_GREEDY_LEARNING_TEXT_RECRAWL_CYCLE),
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-1,
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true, true, true,
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false,
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false,
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true,
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false,
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CacheStrategy.IFEXIST,
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"robot_" + CRAWL_PROFILE_GREEDY_LEARNING_TEXT);
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this.profilesActiveCrawls.put(
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UTF8.getBytes(this.defaultTextSnippetGlobalProfile.handle()),
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this.defaultTextSnippetGlobalProfile);
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// generate new default entry for snippet fetch and optional crawling
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this.defaultMediaSnippetLocalProfile =
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new CrawlProfile(
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CRAWL_PROFILE_SNIPPET_LOCAL_MEDIA,
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CrawlProfile.MATCH_ALL_STRING, //crawlerUrlMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //crawlerUrlMustNotMatch
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CrawlProfile.MATCH_ALL_STRING, //crawlerIpMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //crawlerIpMustNotMatch
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CrawlProfile.MATCH_NEVER_STRING, //crawlerCountryMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //crawlerNoDepthLimitMatch
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CrawlProfile.MATCH_ALL_STRING, //indexUrlMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //indexUrlMustNotMatch
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CrawlProfile.MATCH_ALL_STRING, //indexContentMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //indexContentMustNotMatch
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0,
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false,
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CrawlProfile.getRecrawlDate(CRAWL_PROFILE_SNIPPET_LOCAL_MEDIA_RECRAWL_CYCLE),
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-1,
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true, true, true,
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false,
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false,
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true,
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false,
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CacheStrategy.IFEXIST,
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"robot_" + CRAWL_PROFILE_SNIPPET_LOCAL_MEDIA);
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this.profilesActiveCrawls.put(
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UTF8.getBytes(this.defaultMediaSnippetLocalProfile.handle()),
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this.defaultMediaSnippetLocalProfile);
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// generate new default entry for snippet fetch and optional crawling
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this.defaultMediaSnippetGlobalProfile =
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new CrawlProfile(
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CRAWL_PROFILE_SNIPPET_GLOBAL_MEDIA,
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CrawlProfile.MATCH_ALL_STRING, //crawlerUrlMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //crawlerUrlMustNotMatch
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CrawlProfile.MATCH_ALL_STRING, //crawlerIpMustMatch
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CrawlProfile.MATCH_NEVER_STRING, //crawlerIpMustNotMatch
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CrawlProfile.MATCH_NEVER_STRING, //crawlerCountryMustMatch
|
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CrawlProfile.MATCH_NEVER_STRING, //crawlerNoDepthLimitMatch
|
|
CrawlProfile.MATCH_ALL_STRING, //indexUrlMustMatch
|
|
CrawlProfile.MATCH_NEVER_STRING, //indexUrlMustNotMatch
|
|
CrawlProfile.MATCH_ALL_STRING, //indexContentMustMatch
|
|
CrawlProfile.MATCH_NEVER_STRING, //indexContentMustNotMatch
|
|
0,
|
|
false,
|
|
CrawlProfile.getRecrawlDate(CRAWL_PROFILE_SNIPPET_GLOBAL_MEDIA_RECRAWL_CYCLE),
|
|
-1,
|
|
true, true, true,
|
|
false,
|
|
true,
|
|
true,
|
|
false,
|
|
CacheStrategy.IFEXIST,
|
|
"robot_" + CRAWL_PROFILE_SNIPPET_GLOBAL_MEDIA);
|
|
this.profilesActiveCrawls.put(
|
|
UTF8.getBytes(this.defaultMediaSnippetGlobalProfile.handle()),
|
|
this.defaultMediaSnippetGlobalProfile);
|
|
// generate new default entry for surrogate parsing
|
|
this.defaultSurrogateProfile =
|
|
new CrawlProfile(
|
|
CRAWL_PROFILE_SURROGATE,
|
|
CrawlProfile.MATCH_ALL_STRING, //crawlerUrlMustMatch
|
|
CrawlProfile.MATCH_NEVER_STRING, //crawlerUrlMustNotMatch
|
|
CrawlProfile.MATCH_ALL_STRING, //crawlerIpMustMatch
|
|
CrawlProfile.MATCH_NEVER_STRING, //crawlerIpMustNotMatch
|
|
CrawlProfile.MATCH_NEVER_STRING, //crawlerCountryMustMatch
|
|
CrawlProfile.MATCH_NEVER_STRING, //crawlerNoDepthLimitMatch
|
|
CrawlProfile.MATCH_ALL_STRING, //indexUrlMustMatch
|
|
CrawlProfile.MATCH_NEVER_STRING, //indexUrlMustNotMatch
|
|
CrawlProfile.MATCH_ALL_STRING, //indexContentMustMatch
|
|
CrawlProfile.MATCH_NEVER_STRING, //indexContentMustNotMatch
|
|
0,
|
|
false,
|
|
CrawlProfile.getRecrawlDate(CRAWL_PROFILE_SURROGATE_RECRAWL_CYCLE),
|
|
-1,
|
|
true, true, true,
|
|
true,
|
|
false,
|
|
false,
|
|
false,
|
|
CacheStrategy.NOCACHE,
|
|
"robot_" + CRAWL_PROFILE_SURROGATE);
|
|
this.profilesActiveCrawls.put(
|
|
UTF8.getBytes(this.defaultSurrogateProfile.handle()),
|
|
this.defaultSurrogateProfile);
|
|
}
|
|
|
|
private void resetProfiles() {
|
|
this.profilesActiveCrawlsCache.clear();
|
|
final File pdb = new File(this.queuesRoot, DBFILE_ACTIVE_CRAWL_PROFILES);
|
|
if ( pdb.exists() ) {
|
|
FileUtils.deletedelete(pdb);
|
|
}
|
|
try {
|
|
this.profilesActiveCrawls =
|
|
new MapHeap(pdb, Word.commonHashLength, NaturalOrder.naturalOrder, 1024 * 64, 500, ' ');
|
|
} catch ( final IOException e1 ) {
|
|
Log.logException(e1);
|
|
this.profilesActiveCrawls = null;
|
|
}
|
|
initActiveCrawlProfiles();
|
|
}
|
|
|
|
public boolean clear() throws InterruptedException {
|
|
this.profilesActiveCrawlsCache.clear();
|
|
CrawlProfile entry;
|
|
boolean hasDoneSomething = false;
|
|
try {
|
|
for ( final byte[] handle : this.profilesActiveCrawls.keySet() ) {
|
|
// check for interruption
|
|
if ( Thread.currentThread().isInterrupted() ) {
|
|
throw new InterruptedException("Shutdown in progress");
|
|
}
|
|
|
|
// getting next profile
|
|
try {
|
|
entry = new CrawlProfile(this.profilesActiveCrawls.get(handle));
|
|
} catch ( final IOException e ) {
|
|
continue;
|
|
} catch ( final SpaceExceededException e ) {
|
|
continue;
|
|
}
|
|
if (!DEFAULT_PROFILES.contains(entry.name())) {
|
|
final CrawlProfile p = new CrawlProfile(entry);
|
|
this.profilesPassiveCrawls.put(UTF8.getBytes(p.handle()), p);
|
|
this.profilesActiveCrawls.remove(handle);
|
|
hasDoneSomething = true;
|
|
}
|
|
}
|
|
} catch ( final kelondroException e ) {
|
|
resetProfiles();
|
|
hasDoneSomething = true;
|
|
}
|
|
return hasDoneSomething;
|
|
}
|
|
|
|
public int cleanFinishesProfiles(CrawlQueues crawlQueues) {
|
|
// clear the counter cache
|
|
this.profilesActiveCrawlsCounter.clear();
|
|
|
|
// find all profiles that are candidates for deletion
|
|
Set<String> deletionCandidate = new HashSet<String>();
|
|
for (final byte[] handle: this.getActive()) {
|
|
CrawlProfile entry;
|
|
entry = new CrawlProfile(this.getActive(handle));
|
|
if (!CrawlSwitchboard.DEFAULT_PROFILES.contains(entry.name())) {
|
|
deletionCandidate.add(ASCII.String(handle));
|
|
}
|
|
}
|
|
if (deletionCandidate.size() == 0) return 0;
|
|
|
|
// iterate through all the queues and see if one of these handles appear there
|
|
// this is a time-consuming process, set a time-out
|
|
long timeout = System.currentTimeMillis() + 60000L; // one minute time
|
|
try {
|
|
for (StackType stack: StackType.values()) {
|
|
Iterator<Request> sei = crawlQueues.noticeURL.iterator(stack);
|
|
if (sei == null) continue;
|
|
Request r;
|
|
while (sei.hasNext()) {
|
|
r = sei.next();
|
|
String handle = r.profileHandle();
|
|
RowHandleSet us = this.profilesActiveCrawlsCounter.get(handle);
|
|
if (us == null) {us = new RowHandleSet(URIMetadataRow.rowdef.primaryKeyLength, URIMetadataRow.rowdef.objectOrder, 0); this.profilesActiveCrawlsCounter.put(handle, us);}
|
|
if (us.size() < 100) us.put(r.url().hash()); // store the hash, but not too many
|
|
deletionCandidate.remove(handle);
|
|
if (deletionCandidate.size() == 0) return 0;
|
|
if (System.currentTimeMillis() > timeout) return 0; // give up; this is too large
|
|
}
|
|
if (deletionCandidate.size() == 0) return 0;
|
|
}
|
|
} catch (Throwable e) {
|
|
return 0;
|
|
}
|
|
|
|
// all entries that are left are candidates for deletion; do that now
|
|
for (String h: deletionCandidate) {
|
|
byte[] handle = ASCII.getBytes(h);
|
|
final CrawlProfile p = this.getActive(handle);
|
|
if (p != null) {
|
|
this.putPassive(handle, p);
|
|
this.removeActive(handle);
|
|
}
|
|
}
|
|
return deletionCandidate.size();
|
|
}
|
|
|
|
public synchronized void close() {
|
|
this.profilesActiveCrawlsCache.clear();
|
|
this.profilesActiveCrawls.close();
|
|
this.profilesPassiveCrawls.close();
|
|
}
|
|
|
|
/**
|
|
* Loads crawl profiles from a DB file.
|
|
*
|
|
* @param file DB file
|
|
* @return crawl profile data
|
|
*/
|
|
private static MapHeap loadFromDB(final File file) {
|
|
MapHeap ret;
|
|
try {
|
|
ret = new MapHeap(file, Word.commonHashLength, NaturalOrder.naturalOrder, 1024 * 64, 500, ' ');
|
|
} catch ( final IOException e ) {
|
|
Log.logException(e);
|
|
Log.logException(e);
|
|
FileUtils.deletedelete(file);
|
|
try {
|
|
ret =
|
|
new MapHeap(file, Word.commonHashLength, NaturalOrder.naturalOrder, 1024 * 64, 500, ' ');
|
|
} catch ( final IOException e1 ) {
|
|
Log.logException(e1);
|
|
ret = null;
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
}
|