mirror of
https://github.com/yacy/yacy_search_server.git
synced 2024-09-21 00:00:13 +02:00
e5b3c172ff
which had been then mixed with remote RWIs. Now these Solr documents are feeded into the result set as they appear during local and remote search. That makes the search much faster.
177 lines
8.4 KiB
Java
177 lines
8.4 KiB
Java
// transferURL.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 transferRWI.java
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import java.io.IOException;
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import java.text.ParseException;
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import net.yacy.cora.date.GenericFormatter;
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import net.yacy.cora.document.RSSMessage;
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import net.yacy.cora.protocol.RequestHeader;
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import net.yacy.crawler.data.ResultURLs;
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import net.yacy.crawler.data.ResultURLs.EventOrigin;
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import net.yacy.kelondro.data.meta.URIMetadataRow;
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import net.yacy.kelondro.logging.Log;
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import net.yacy.peers.EventChannel;
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import net.yacy.peers.Network;
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import net.yacy.peers.Protocol;
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import net.yacy.peers.Seed;
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import net.yacy.repository.Blacklist.BlacklistType;
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import net.yacy.search.Switchboard;
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import net.yacy.server.serverCore;
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import net.yacy.server.serverObjects;
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import net.yacy.server.serverSwitch;
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public final class transferURL {
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public static serverObjects respond(@SuppressWarnings("unused") final RequestHeader header, final serverObjects post, final serverSwitch env) throws InterruptedException {
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final long start = System.currentTimeMillis();
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long freshdate = 0;
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try {freshdate = GenericFormatter.SHORT_DAY_FORMATTER.parse("20061101").getTime();} catch (final ParseException e1) {}
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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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if ((post == null) || (env == null)) return prop;
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if (!Protocol.authentifyRequest(post, env)) return prop;
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// request values
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final String iam = post.get("iam", ""); // seed hash of requester
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final String youare = post.get("youare", ""); // seed hash of the target peer, needed for network stability
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// final String key = post.get("key", ""); // transmission key
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final int urlc = post.getInt("urlc", 0); // number of transported urls
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final boolean granted = sb.getConfigBool("allowReceiveIndex", false);
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final boolean blockBlacklist = sb.getConfigBool("indexReceiveBlockBlacklist", false);
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// response values
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String result = "";
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String doublevalues = "0";
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final Seed otherPeer = sb.peers.get(iam);
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final String otherPeerName = iam + ":" + ((otherPeer == null) ? "NULL" : (otherPeer.getName() + "/" + otherPeer.getVersion()));
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if ((youare == null) || (!youare.equals(sb.peers.mySeed().hash))) {
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Network.log.logInfo("Rejecting URLs from peer " + otherPeerName + ". Wrong target. Wanted peer=" + youare + ", iam=" + sb.peers.mySeed().hash);
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result = "wrong_target";
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} else if ((!granted) || (sb.isRobinsonMode())) {
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Network.log.logInfo("Rejecting URLs from peer " + otherPeerName + ". Not granted.");
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result = "error_not_granted";
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} else {
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int received = 0;
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int blocked = 0;
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int doublecheck = 0;
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// read the urls from the other properties and store
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String urls;
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URIMetadataRow lEntry;
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for (int i = 0; i < urlc; i++) {
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serverCore.checkInterruption();
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// read new lurl-entry
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urls = post.get("url" + i);
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if (urls == null) {
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if (Network.log.isFine()) Network.log.logFine("transferURL: got null URL-string from peer " + otherPeerName);
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blocked++;
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continue;
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}
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// parse new lurl-entry
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lEntry = URIMetadataRow.importEntry(urls);
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if (lEntry == null) {
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if (Network.log.isWarning()) Network.log.logWarning("transferURL: received invalid URL (entry null) from peer " + otherPeerName + "\n\tURL Property: " + urls);
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blocked++;
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continue;
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}
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// check if entry is well-formed
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if (lEntry.url() == null) {
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if (Network.log.isWarning()) Network.log.logWarning("transferURL: received invalid URL from peer " + otherPeerName + "\n\tURL Property: " + urls);
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blocked++;
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continue;
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}
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// check whether entry is too old
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if (lEntry.freshdate().getTime() <= freshdate) {
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if (Network.log.isFine()) Network.log.logFine("transerURL: received too old URL from peer " + otherPeerName + ": " + lEntry.freshdate());
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blocked++;
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continue;
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}
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// check if the entry is blacklisted
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if ((blockBlacklist) && (Switchboard.urlBlacklist.isListed(BlacklistType.DHT, lEntry))) {
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if (Network.log.isFine()) Network.log.logFine("transferURL: blocked blacklisted URL '" + lEntry.url().toNormalform(false) + "' from peer " + otherPeerName);
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lEntry = null;
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blocked++;
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continue;
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}
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// check if the entry is in our network domain
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final String urlRejectReason = sb.crawlStacker.urlInAcceptedDomain(lEntry.url());
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if (urlRejectReason != null) {
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if (Network.log.isFine()) Network.log.logFine("transferURL: blocked URL '" + lEntry.url() + "' (" + urlRejectReason + ") from peer " + otherPeerName);
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lEntry = null;
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blocked++;
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continue;
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}
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// doublecheck
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if (sb.index.exists(lEntry.hash())) {
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if (Network.log.isFine()) Network.log.logFine("transferURL: double URL '" + lEntry.url() + "' from peer " + otherPeerName);
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lEntry = null;
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doublecheck++;
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continue;
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}
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// write entry to database
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if (Network.log.isFine()) Network.log.logFine("Accepting URL " + i + "/" + urlc + " from peer " + otherPeerName + ": " + lEntry.url().toNormalform(true));
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try {
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sb.index.fulltext().putMetadata(lEntry);
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ResultURLs.stack(lEntry, iam.getBytes(), iam.getBytes(), EventOrigin.DHT_TRANSFER);
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if (Network.log.isFine()) Network.log.logFine("transferURL: received URL '" + lEntry.url().toNormalform(false) + "' from peer " + otherPeerName);
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received++;
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} catch (final IOException e) {
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Log.logException(e);
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}
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}
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sb.peers.mySeed().incRU(received);
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// return rewrite properties
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Network.log.logInfo("Received " + received + " URLs from peer " + otherPeerName + " in " + (System.currentTimeMillis() - start) + " ms, blocked " + blocked + " URLs");
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EventChannel.channels(EventChannel.DHTRECEIVE).addMessage(new RSSMessage("Received " + received + ", blocked " + blocked + " URLs from peer " + otherPeerName, "", otherPeer.hash));
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if (doublecheck > 0) {
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Network.log.logSevere("Received " + doublecheck + " double URLs from peer " + otherPeerName);
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doublevalues = Integer.toString(doublecheck);
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}
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result = "ok";
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}
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prop.put("double", doublevalues);
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prop.put("result", result);
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return prop;
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}
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}
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