mirror of
https://github.com/yacy/yacy_search_server.git
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3d8a5ae652
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@1166 6c8d7289-2bf4-0310-a012-ef5d649a1542
378 lines
19 KiB
Java
378 lines
19 KiB
Java
// plasmaCRProcess.java
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// -----------------------
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// part of YaCy
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// (C) by Michael Peter Christen; mc@anomic.de
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// first published on http://www.anomic.de
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// Frankfurt, Germany, 2005
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// Created 15.11.2005
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//
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// $LastChangedDate: 2005-10-22 15:28:04 +0200 (Sat, 22 Oct 2005) $
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// $LastChangedRevision: 968 $
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// $LastChangedBy: theli $
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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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//
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// Using this software in any meaning (reading, learning, copying, compiling,
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// running) means that you agree that the Author(s) is (are) not responsible
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// for cost, loss of data or any harm that may be caused directly or indirectly
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// by usage of this softare or this documentation. The usage of this software
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// is on your own risk. The installation and usage (starting/running) of this
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// software may allow other people or application to access your computer and
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// any attached devices and is highly dependent on the configuration of the
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// software which must be done by the user of the software; the author(s) is
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// (are) also not responsible for proper configuration and usage of the
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// software, even if provoked by documentation provided together with
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// the software.
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//
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// Any changes to this file according to the GPL as documented in the file
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// gpl.txt aside this file in the shipment you received can be done to the
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// lines that follows this copyright notice here, but changes must not be
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// done inside the copyright notive above. A re-distribution must contain
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// the intact and unchanged copyright notice.
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// Contributions and changes to the program code must be marked as such.
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package de.anomic.plasma;
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import java.io.File;
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import java.io.IOException;
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import java.util.Iterator;
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import java.util.Map;
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import de.anomic.kelondro.kelondroAttrSeq;
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import de.anomic.server.serverCodings;
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import de.anomic.server.serverFileUtils;
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import de.anomic.server.serverDate;
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import de.anomic.tools.bitfield;
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public class plasmaRankingCRProcess {
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/*
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header.append("# Name=YaCy " + ((type.equals("crl")) ? "Local" : "Global") + " Citation Reference Ticket"); header.append((char) 13); header.append((char) 10);
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header.append("# Created=" + System.currentTimeMillis()); header.append((char) 13); header.append((char) 10);
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header.append("# Structure=<Referee-12>,'=',<UDate-3>,<VDate-3>,<LCount-2>,<GCount-2>,<ICount-2>,<DCount-2>,<TLength-3>,<WACount-3>,<WUCount-3>,<Flags-1>,'|',*<Anchor-" + ((type.equals("crl")) ? "6" : "12") + ">"); header.append((char) 13); header.append((char) 10);
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header.append("# ---"); header.append((char) 13); header.append((char) 10);
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*/
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private static boolean accumulate_upd(File f, kelondroAttrSeq acc) {
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// open file
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kelondroAttrSeq source_cr = null;
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try {
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source_cr = new kelondroAttrSeq(f, false);
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} catch (IOException e) {
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return false;
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}
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// put elements in accumulator file
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Iterator el = source_cr.keys();
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String key;
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kelondroAttrSeq.Entry new_entry, acc_entry;
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int FUDate, FDDate, LUDate, UCount, PCount, ACount, VCount, Vita;
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bitfield acc_flags, new_flags;
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while (el.hasNext()) {
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key = (String) el.next();
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new_entry = source_cr.getEntry(key);
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new_flags = new bitfield(serverCodings.enhancedCoder.encodeBase64Long((long) new_entry.getAttr("Flags", 0), 1).getBytes());
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// enrich information with additional values
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if ((acc_entry = acc.getEntry(key)) != null) {
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FUDate = (int) acc_entry.getAttr("FUDate", 0);
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FDDate = (int) acc_entry.getAttr("FDDate", 0);
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LUDate = (int) acc_entry.getAttr("LUDate", 0);
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UCount = (int) acc_entry.getAttr("UCount", 0);
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PCount = (int) acc_entry.getAttr("PCount", 0);
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ACount = (int) acc_entry.getAttr("ACount", 0);
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VCount = (int) acc_entry.getAttr("VCount", 0);
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Vita = (int) acc_entry.getAttr("Vita", 0);
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// update counters and dates
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acc_entry.setSeq(new_entry.getSeq()); // need to be checked
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UCount++; // increase update counter
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PCount += (new_flags.get(1)) ? 1 : 0;
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ACount += (new_flags.get(2)) ? 1 : 0;
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VCount += (new_flags.get(3)) ? 1 : 0;
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// 'OR' the flags
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acc_flags = new bitfield(serverCodings.enhancedCoder.encodeBase64Long((long) acc_entry.getAttr("Flags", 0), 1).getBytes());
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for (int i = 0; i < 6; i++) {
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if (new_flags.get(i)) acc_flags.set(i, true);
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}
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acc_entry.setAttr("Flags", (int) serverCodings.enhancedCoder.decodeBase64Long(new String(acc_flags.getBytes())));
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} else {
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// initialize counters and dates
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acc_entry = acc.newEntry(key, new_entry.getAttrs(), new_entry.getSeq());
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FUDate = plasmaWordIndex.microDateHoursInt(System.currentTimeMillis()); // first update date
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FDDate = plasmaWordIndex.microDateHoursInt(System.currentTimeMillis()); // very difficult to compute; this is only a quick-hack
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LUDate = (int) new_entry.getAttr("VDate", 0);
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UCount = 0;
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PCount = (new_flags.get(1)) ? 1 : 0;
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ACount = (new_flags.get(2)) ? 1 : 0;
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VCount = (new_flags.get(3)) ? 1 : 0;
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Vita = 0;
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}
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// make plausibility check?
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// insert into accumulator
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acc_entry.setAttr("FUDate", (long) FUDate);
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acc_entry.setAttr("FDDate", (long) FDDate);
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acc_entry.setAttr("LUDate", (long) LUDate);
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acc_entry.setAttr("UCount", (long) UCount);
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acc_entry.setAttr("PCount", (long) PCount);
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acc_entry.setAttr("ACount", (long) ACount);
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acc_entry.setAttr("VCount", (long) VCount);
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acc_entry.setAttr("Vita", (long) Vita);
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acc.putEntrySmall(acc_entry);
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}
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return true;
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}
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public static void accumulate(File from_dir, File tmp_dir, File err_dir, File bkp_dir, File to_file, int max_files) throws IOException {
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if (!(from_dir.isDirectory())) {
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System.out.println("source path " + from_dir + " is not a directory.");
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return;
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}
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if (!(tmp_dir.isDirectory())) {
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System.out.println("temporary path " + tmp_dir + " is not a directory.");
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return;
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}
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if (!(err_dir.isDirectory())) {
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System.out.println("error path " + err_dir + " is not a directory.");
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return;
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}
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if (!(bkp_dir.isDirectory())) {
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System.out.println("back-up path " + bkp_dir + " is not a directory.");
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return;
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}
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// open target file
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kelondroAttrSeq acc = null;
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if (!(to_file.exists())) {
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acc = new kelondroAttrSeq("Global Ranking Accumulator File",
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"<Referee-12>,'='," +
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"<UDate-3>,<VDate-3>,<LCount-2>,<GCount-2>,<ICount-2>,<DCount-2>,<TLength-3>,<WACount-3>,<WUCount-3>,<Flags-1>," +
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"<FUDate-3>,<FDDate-3>,<LUDate-3>,<UCount-2>,<PCount-2>,<ACount-2>,<VCount-2>,<Vita-2>," +
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"'|',*<Anchor-12>", false);
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acc.toFile(to_file);
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}
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acc = new kelondroAttrSeq(to_file, false);
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// collect source files
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File source_file = null;
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String[] files = from_dir.list();
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if (files.length < max_files) max_files = files.length;
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for (int i = 0; i < max_files; i++) {
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// open file
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source_file = new File(from_dir, files[i]);
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if (accumulate_upd(source_file, acc)) {
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// move cr file to temporary folder
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source_file.renameTo(new File(tmp_dir, files[i]));
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} else {
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// error case: the cr-file is not valid; move to error path
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source_file.renameTo(new File(err_dir, files[i]));
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}
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}
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// save accumulator to temporary file
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File tmp_file;
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if (to_file.toString().endsWith(".gz")) {
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tmp_file = new File(to_file.toString() + "." + (System.currentTimeMillis() % 1000) + ".tmp.gz");
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} else {
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tmp_file = new File(to_file.toString() + "." + (System.currentTimeMillis() % 1000) + ".tmp");
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}
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try {
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acc.toFile(tmp_file);
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// since this was successful, we remove the old file and move the new file to it
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to_file.delete();
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tmp_file.renameTo(to_file);
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serverFileUtils.moveAll(tmp_dir, bkp_dir);
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} catch (IOException e) {
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// move previously processed files back
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serverFileUtils.moveAll(tmp_dir, from_dir);
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}
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}
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public static int genrci(File cr_in, File rci_out) throws IOException {
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if (!(cr_in.exists())) return 0;
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kelondroAttrSeq cr = new kelondroAttrSeq(cr_in, false);
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//if (rci_out.exists()) rci_out.delete(); // we want only fresh rci here (during testing)
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if (!(rci_out.exists())) {
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kelondroAttrSeq rcix = new kelondroAttrSeq("Global Ranking Reverse Citation Index",
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"<AnchorDom-6>,'='," +
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"<UDate-3>," +
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"'|',*<Referee-12>", false);
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rcix.toFile(rci_out);
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}
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final kelondroAttrSeq rci = new kelondroAttrSeq(rci_out, false);
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// loop over all referees
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int count = 0;
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int size = cr.size();
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long start = System.currentTimeMillis();
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long l;
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final Iterator i = cr.keys();
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String referee, anchor, anchorDom;
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kelondroAttrSeq.Entry cr_entry, rci_entry;
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long cr_UDate, rci_UDate;
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while (i.hasNext()) {
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referee = (String) i.next();
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cr_entry = cr.getEntry(referee);
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cr_UDate = cr_entry.getAttr("UDate", 0);
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// loop over all anchors
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Iterator j = cr_entry.getSeq().entrySet().iterator();
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Map.Entry entry;
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while (j.hasNext()) {
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// get domain of anchors
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entry = (Map.Entry) j.next();
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anchor = (String) entry.getKey();
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if (anchor.length() == 6) anchorDom = anchor; else anchorDom = anchor.substring(6);
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// update domain-specific entry
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rci_entry = rci.getEntry(anchorDom);
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if (rci_entry == null) rci_entry = rci.newEntry(anchorDom, false);
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rci_entry.addSeq(referee, null);
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// update Update-Date
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rci_UDate = rci_entry.getAttr("UDate", 0);
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if (cr_UDate > rci_UDate) rci_entry.setAttr("UDate", cr_UDate);
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// insert entry
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rci.putEntry(rci_entry);
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}
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count++;
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if ((count % 1000) == 0) {
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l = java.lang.Math.max(1, (System.currentTimeMillis() - start) / 1000);
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System.out.println("processed " + count + " citations, " + (count / l) + " per second, rci.size = " + rci.size() + ", " + ((size - count) / (count / l)) + " seconds remaining; mem = " + Runtime.getRuntime().freeMemory());
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}
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i.remove();
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}
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// finished. write to file
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cr = null;
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cr_in = null;
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System.gc();
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rci.toFile(rci_out);
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return count;
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}
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public static void main(String[] args) {
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// java -classpath source de.anomic.plasma.kelondroPropFile -transcode DATA/RANKING/GLOBAL/CRG-test-unsorted-original.cr DATA/RANKING/GLOBAL/CRG-test-generated.cr
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try {
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if ((args.length == 5) && (args[0].equals("-accumulate"))) {
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accumulate(new File(args[1]), new File(args[2]), new File(args[3]), new File(args[4]), new File(args[5]), Integer.parseInt(args[6]));
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}
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if ((args.length == 2) && (args[0].equals("-accumulate"))) {
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File root_path = new File(args[1]);
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File from_dir = new File(root_path, "DATA/RANKING/GLOBAL/014_othercr");
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File ready_dir = new File(root_path, "DATA/RANKING/GLOBAL/015_ready");
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File tmp_dir = new File(root_path, "DATA/RANKING/GLOBAL/016_tmp");
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File err_dir = new File(root_path, "DATA/RANKING/GLOBAL/017_err");
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File acc_dir = new File(root_path, "DATA/RANKING/GLOBAL/018_acc");
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String filename = "CRG-a-" + new serverDate().toShortString(true) + ".cr.gz";
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File to_file = new File(root_path, "DATA/RANKING/GLOBAL/020_con0/" + filename);
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if (!(ready_dir.exists())) ready_dir.mkdirs();
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if (!(tmp_dir.exists())) tmp_dir.mkdirs();
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if (!(err_dir.exists())) err_dir.mkdirs();
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if (!(acc_dir.exists())) acc_dir.mkdirs();
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if (!(to_file.getParentFile().exists())) to_file.getParentFile().mkdirs();
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serverFileUtils.moveAll(from_dir, ready_dir);
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long start = System.currentTimeMillis();
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int files = ready_dir.list().length;
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accumulate(ready_dir, tmp_dir, err_dir, acc_dir, to_file, 1000);
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long seconds = java.lang.Math.max(1, (System.currentTimeMillis() - start) / 1000);
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System.out.println("Finished accumulate for " + files + " files in " + seconds + " seconds (" + (files / seconds) + " files/second)");
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}
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if ((args.length == 3) && (args[0].equals("-recycle"))) {
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File root_path = new File(args[1]);
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int max_age_hours = Integer.parseInt(args[2]);
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File own_dir = new File(root_path, "DATA/RANKING/GLOBAL/010_owncr");
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File acc_dir = new File(root_path, "DATA/RANKING/GLOBAL/018_acc");
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File bkp_dir = new File(root_path, "DATA/RANKING/GLOBAL/019_bkp");
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if (!(own_dir.exists())) return;
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if (!(acc_dir.exists())) return;
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if (!(bkp_dir.exists())) bkp_dir.mkdirs();
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String[] list = acc_dir.list();
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long start = System.currentTimeMillis();
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int files = list.length;
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long d;
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File f;
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for (int i = 0; i < list.length; i++) {
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f = new File(acc_dir, list[i]);
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try {
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d = (System.currentTimeMillis() - (new kelondroAttrSeq(f, false)).created()) / 3600000;
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if (d > max_age_hours) {
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// file is considered to be too old, it is not recycled
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System.out.println("file " + f.getName() + " is old (" + d + " hours) and not recycled, only moved to backup");
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f.renameTo(new File(bkp_dir, list[i]));
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} else {
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// file is fresh, it is duplicated and moved to be transferred to other peers again
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System.out.println("file " + f.getName() + " is fresh (" + d + " hours old), recycled and moved to backup");
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serverFileUtils.copy(f, new File(own_dir, list[i]));
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f.renameTo(new File(bkp_dir, list[i]));
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}
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} catch (IOException e) {
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// there is something wrong with this file; delete it
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System.out.println("file " + f.getName() + " is corrupted and deleted");
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f.delete();
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}
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}
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long seconds = java.lang.Math.max(1, (System.currentTimeMillis() - start) / 1000);
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System.out.println("Finished recycling of " + files + " files in " + seconds + " seconds (" + (files / seconds) + " files/second)");
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}
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if ((args.length == 2) && (args[0].equals("-genrci"))) {
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File root_path = new File(args[1]);
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File cr_filedir = new File(root_path, "DATA/RANKING/GLOBAL/020_con0");
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File rci_file = new File(root_path, "DATA/RANKING/GLOBAL/030_rci0/RCI-0.rci.gz");
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rci_file.getParentFile().mkdirs();
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String[] cr_filenames = cr_filedir.list();
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for (int i = 0; i < cr_filenames.length; i++) {
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long start = System.currentTimeMillis();
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int count = genrci(new File(cr_filedir, cr_filenames[i]), rci_file);
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long seconds = java.lang.Math.max(1, (System.currentTimeMillis() - start) / 1000);
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System.out.println("Completed RCI generation for input file " + cr_filenames[i] + ": " + count + " citation references in " + seconds + " seconds (" + (count / seconds) + " CR-records/second)");
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}
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}
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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/*
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Class-A File format:
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UDate : latest update timestamp of the URL (as virtual date, hours since epoch)
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VDate : last visit timestamp of the URL (as virtual date, hours since epoch)
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LCount : count of links to local resources
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GCount : count of links to global resources
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ICount : count of links to images (in document)
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DCount : count of links to other documents
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TLength: length of the plain text content (bytes)
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WACount: total number of all words in content
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WUCount: number of unique words in content (removed doubles)
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Flags : Flags (0=update, 1=popularity, 2=attention, 3=vote)
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Class-a File format is an extension of Class-A plus the following attributes
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FUDate : first update timestamp of the URL
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FDDate : first update timestamp of the domain
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LUDate : latest update timestamp of the URL
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UCount : Update Counter (of 'latest update timestamp')
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PCount : Popularity Counter (proxy clicks)
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ACount : Attention Counter (search result clicks)
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VCount : Votes
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Vita : Vitality (normed number of updates per time)
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*/
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}
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