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193 lines
9.9 KiB
193 lines
9.9 KiB
// IndexCreateWWWLocalQueue_p.java
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// -------------------------------
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// part of the AnomicHTTPD caching proxy
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// (C) by Michael Peter Christen; mc@yacy.net
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// first published on http://www.anomic.de
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// Frankfurt, Germany, 2004, 2005
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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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// 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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// You must compile this file with
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// javac -classpath .:../classes IndexCreate_p.java
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// if the shell's current path is HTROOT
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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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.Locale;
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import java.util.regex.Pattern;
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import java.util.regex.PatternSyntaxException;
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import net.yacy.cora.document.ASCII;
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import net.yacy.cora.protocol.RequestHeader;
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import net.yacy.kelondro.logging.Log;
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import net.yacy.peers.Seed;
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import net.yacy.search.Switchboard;
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import de.anomic.crawler.CrawlProfile;
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import de.anomic.crawler.NoticedURL;
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import de.anomic.crawler.CrawlSwitchboard;
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import de.anomic.crawler.retrieval.Request;
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import de.anomic.server.serverObjects;
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import de.anomic.server.serverSwitch;
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public class IndexCreateWWWLocalQueue_p {
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private static SimpleDateFormat dayFormatter = new SimpleDateFormat("yyyy/MM/dd", Locale.US);
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private static String daydate(final Date date) {
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if (date == null) return "";
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return dayFormatter.format(date);
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}
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private static final int INVALID = 0;
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private static final int URL = 1;
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private static final int ANCHOR = 2;
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private static final int PROFILE = 3;
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private static final int DEPTH = 4;
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private static final int INITIATOR = 5;
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private static final int MODIFIED = 6;
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public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) {
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// return variable that accumulates replacements
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final Switchboard sb = (Switchboard) env;
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final serverObjects prop = new serverObjects();
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int showLimit = 100;
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if (post != null) {
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showLimit = post.getInt("limit", 100);
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if (post.containsKey("deleteEntries")) {
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int c = 0;
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final String pattern = post.get("pattern", ".*").trim();
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final int option = post.getInt("option", INVALID);
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if (".*".equals(pattern)) {
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c = sb.crawlQueues.noticeURL.stackSize(NoticedURL.StackType.CORE);
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sb.crawlQueues.noticeURL.clear(NoticedURL.StackType.CORE);
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try { sb.cleanProfiles(); } catch (final InterruptedException e) {/* ignore this */}
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} else if (option > INVALID) {
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try {
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// compiling the regular expression
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final Pattern compiledPattern = Pattern.compile(pattern);
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if (option == PROFILE) {
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// search and delete the crawl profile (_much_ faster, independant of queue size)
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// XXX: what to do about the annoying LOST PROFILE messages in the log?
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CrawlProfile entry;
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for (final byte[] handle: sb.crawler.getActive()) {
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entry = sb.crawler.getActive(handle);
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final String name = entry.name();
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if (name.equals(CrawlSwitchboard.CRAWL_PROFILE_PROXY) ||
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name.equals(CrawlSwitchboard.CRAWL_PROFILE_REMOTE) ||
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name.equals(CrawlSwitchboard.CRAWL_PROFILE_SNIPPET_LOCAL_TEXT) ||
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name.equals(CrawlSwitchboard.CRAWL_PROFILE_SNIPPET_GLOBAL_TEXT) ||
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name.equals(CrawlSwitchboard.CRAWL_PROFILE_SNIPPET_LOCAL_MEDIA) ||
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name.equals(CrawlSwitchboard.CRAWL_PROFILE_SNIPPET_GLOBAL_MEDIA) ||
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name.equals(CrawlSwitchboard.CRAWL_PROFILE_SURROGATE))
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continue;
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if (compiledPattern.matcher(name).find()) sb.crawler.removeActive(entry.handle().getBytes());
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}
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} else {
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// iterating through the list of URLs
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final Iterator<Request> iter = sb.crawlQueues.noticeURL.iterator(NoticedURL.StackType.CORE);
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Request entry;
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final List<byte[]> removehashes = new ArrayList<byte[]>();
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while (iter.hasNext()) {
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if ((entry = iter.next()) == null) continue;
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String value = null;
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location: switch (option) {
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case URL: value = (entry.url() == null) ? null : entry.url().toString(); break location;
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case ANCHOR: value = entry.name(); break location;
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case DEPTH: value = Integer.toString(entry.depth()); break location;
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case INITIATOR:
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value = (entry.initiator() == null || entry.initiator().length == 0) ? "proxy" : ASCII.String(entry.initiator());
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break location;
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case MODIFIED: value = daydate(entry.appdate()); break location;
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default: value = null; break location;
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}
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if (value != null && compiledPattern.matcher(value).matches()) removehashes.add(entry.url().hash());
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}
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Log.logInfo("IndexCreateWWWLocalQueue", "created a remove list with " + removehashes.size() + " entries for pattern '" + pattern + "'");
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for (final byte[] b: removehashes) {
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sb.crawlQueues.noticeURL.removeByURLHash(b);
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}
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}
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} catch (final PatternSyntaxException e) {
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Log.logException(e);
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}
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}
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prop.put("info", "3");//crawling queue cleared
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prop.putNum("info_numEntries", c);
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} else if (post.containsKey("deleteEntry")) {
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final String urlHash = post.get("deleteEntry");
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sb.crawlQueues.noticeURL.removeByURLHash(urlHash.getBytes());
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prop.put("LOCATION","");
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return prop;
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}
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}
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int showNum = 0, stackSize = sb.crawlQueues.noticeURL.stackSize(NoticedURL.StackType.CORE);
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if (stackSize == 0) {
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prop.put("crawler-queue", "0");
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} else {
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prop.put("crawler-queue", "1");
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final List<Request> crawlerList = sb.crawlQueues.noticeURL.top(NoticedURL.StackType.CORE, (int) (showLimit * 1.20));
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Request urle;
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boolean dark = true;
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Seed initiator;
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String profileHandle;
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CrawlProfile profileEntry;
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int i;
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for (i = 0; (i < crawlerList.size()) && (showNum < showLimit); i++) {
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urle = crawlerList.get(i);
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if ((urle != null)&&(urle.url()!=null)) {
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initiator = sb.peers.getConnected(urle.initiator() == null ? "" : ASCII.String(urle.initiator()));
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profileHandle = urle.profileHandle();
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profileEntry = profileHandle == null ? null : sb.crawler.getActive(profileHandle.getBytes());
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prop.put("crawler-queue_list_"+showNum+"_dark", dark ? "1" : "0");
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prop.putHTML("crawler-queue_list_"+showNum+"_initiator", ((initiator == null) ? "proxy" : initiator.getName()) );
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prop.put("crawler-queue_list_"+showNum+"_profile", ((profileEntry == null) ? "unknown" : profileEntry.name()));
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prop.put("crawler-queue_list_"+showNum+"_depth", urle.depth());
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prop.put("crawler-queue_list_"+showNum+"_modified", daydate(urle.appdate()) );
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prop.putHTML("crawler-queue_list_"+showNum+"_anchor", urle.name());
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prop.putHTML("crawler-queue_list_"+showNum+"_url", urle.url().toNormalform(false, true));
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prop.put("crawler-queue_list_"+showNum+"_hash", urle.url().hash());
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dark = !dark;
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showNum++;
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} else {
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stackSize--;
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}
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}
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prop.putNum("crawler-queue_list", showNum);
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prop.putNum("crawler-queue_num", stackSize);//num Entries
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prop.putNum("crawler-queue_show-num", showNum); //showin sjow-num most recent
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}
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// return rewrite properties
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return prop;
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}
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}
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