mirror of
https://github.com/yacy/yacy_search_server.git
synced 2024-09-19 00:01:41 +02:00
93a5ace330
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@3056 6c8d7289-2bf4-0310-a012-ef5d649a1542
1559 lines
78 KiB
Java
1559 lines
78 KiB
Java
// yacy.java
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// -----------------------
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// (C) by Michael Peter Christen; mc@anomic.de
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// first published on http://www.yacy.net
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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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//
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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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import java.io.BufferedOutputStream;
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import java.io.BufferedReader;
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import java.io.BufferedWriter;
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import java.io.ByteArrayOutputStream;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.FileWriter;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.io.PrintWriter;
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import java.util.HashMap;
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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.Properties;
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import java.util.TreeSet;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import java.util.zip.ZipEntry;
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import java.util.zip.ZipOutputStream;
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import de.anomic.data.translator;
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import de.anomic.http.httpHeader;
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import de.anomic.http.httpc;
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import de.anomic.http.httpd;
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import de.anomic.http.httpdFileHandler;
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import de.anomic.http.httpdProxyHandler;
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import de.anomic.index.indexContainer;
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import de.anomic.index.indexRWIEntry;
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import de.anomic.index.indexRWIEntryNew;
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import de.anomic.index.indexURLEntry;
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import de.anomic.index.indexURLEntryOld;
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import de.anomic.kelondro.kelondroBitfield;
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import de.anomic.kelondro.kelondroDyn;
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import de.anomic.kelondro.kelondroException;
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import de.anomic.kelondro.kelondroMScoreCluster;
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import de.anomic.kelondro.kelondroMap;
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import de.anomic.kelondro.kelondroRow;
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import de.anomic.kelondro.kelondroTree;
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import de.anomic.net.URL;
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import de.anomic.plasma.plasmaCondenser;
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import de.anomic.plasma.plasmaCrawlEURL;
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import de.anomic.plasma.plasmaCrawlLURL;
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import de.anomic.plasma.plasmaCrawlNURL;
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import de.anomic.plasma.plasmaSwitchboard;
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import de.anomic.plasma.plasmaWordIndex;
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import de.anomic.plasma.plasmaWordIndexAssortment;
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import de.anomic.plasma.plasmaWordIndexFile;
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import de.anomic.plasma.plasmaWordIndexFileCluster;
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import de.anomic.plasma.dbImport.AssortmentImporter;
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import de.anomic.server.serverCore;
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import de.anomic.server.serverDate;
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import de.anomic.server.serverFileUtils;
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import de.anomic.server.serverMemory;
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import de.anomic.server.serverSystem;
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import de.anomic.server.logging.serverLog;
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import de.anomic.tools.enumerateFiles;
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import de.anomic.yacy.yacyClient;
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import de.anomic.yacy.yacyCore;
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import de.anomic.yacy.yacySeedDB;
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/**
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* This is the main class of YaCy. Several threads are started from here:
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* <ul>
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* <li>one single instance of the plasmaSwitchboard is generated, which itself
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* starts a thread with a plasmaHTMLCache object. This object simply counts
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* files sizes in the cache and terminates them. It also generates a
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* plasmaCrawlerLoader object, which may itself start some more httpc-calling
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* threads to load web pages. They terminate automatically when a page has
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* loaded.
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* <li>one serverCore - thread is started, which implements a multi-threaded
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* server. The process may start itself many more processes that handle
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* connections.lo
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* <li>finally, all idle-dependent processes are written in a queue in
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* plasmaSwitchboard which are worked off inside an idle-sensitive loop of the
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* main process. (here)
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* </ul>
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*
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* On termination, the following must be done:
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* <ul>
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* <li>stop feeding of the crawling process because it othervise fills the
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* indexing queue.
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* <li>say goodbye to connected peers and disable new connections. Don't wait for
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* success.
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* <li>first terminate the serverCore thread. This prevents that new cache
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* objects are queued.
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* <li>wait that the plasmaHTMLCache terminates (it should be normal that this
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* process already has terminated).
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* <li>then wait for termination of all loader process of the
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* plasmaCrawlerLoader.
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* <li>work off the indexing and cache storage queue. These values are inside a
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* RAM cache and would be lost otherwise.
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* <li>write all settings.
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* <li>terminate.
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* </ul>
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*/
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public final class yacy {
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// static objects
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private static String vString = "@REPL_VERSION@";
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private static double version = 0.1;
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private static final String vDATE = "@REPL_DATE@";
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private static final String copyright = "[ YaCy v" + vString + ", build " + vDATE + " by Michael Christen / www.yacy.net ]";
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private static final String hline = "-------------------------------------------------------------------------------";
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/**
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* Converts combined version-string to a pretty string, e.g. "0.435/01818" or "dev/01818" (development version) or "dev/00000" (in case of wrong input)
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*
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* @param ver Combined version string matching regular expression: "\A(\d+\.\d{3})(\d{4}|\d{5})\z" <br>
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* (i.e.: start of input, 1 or more digits in front of decimal point, decimal point followed by 3 digits as major version, 4 or 5 digits for SVN-Version, end of input)
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* @return If the major version is < 0.11 - major version is separated from SVN-version by '/', e.g. "0.435/01818" <br>
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* If the major version is >= 0.11 - major version is replaced by "dev" and separated SVN-version by '/', e.g."dev/01818" <br>
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* "dev/00000" - If the input does not matcht the regular expression above
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*/
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public static String combined2prettyVersion(String ver) {
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return combined2prettyVersion(ver, "");
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}
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public static String combined2prettyVersion(String ver, String computerName) {
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final Matcher matcher = Pattern.compile("\\A(\\d+\\.\\d{3})(\\d{4}|\\d{5})\\z").matcher(ver);
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if (!matcher.find()) {
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serverLog.logWarning("STARTUP", "Peer '"+computerName+"': wrong format of version-string: '" + ver + "'. Using default string 'dev/00000' instead");
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return "dev/00000";
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}
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return (Double.parseDouble(matcher.group(1)) < 0.11 ? "dev" : matcher.group(1)) + "/" + matcher.group(2);
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}
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/**
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* Combines the version of YaCy with the versionnumber from SVN to a
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* combined version
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*
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* @param version Current given version.
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* @param svn Current version given from SVN.
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* @return String with the combined version.
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*/
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public static double versvn2combinedVersion(double v, int svn) {
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return (Math.rint((v*100000000.0) + ((double)svn))/100000000);
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}
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/**
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* Starts up the whole application. Sets up all datastructures and starts
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* the main threads.
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*
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* @param homePath Root-path where all information is to be found.
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* @param startupFree free memory at startup time, to be used later for statistics
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*/
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private static void startup(String homePath, long startupMemFree, long startupMemTotal) {
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long startup = System.currentTimeMillis();
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String restart = "false";
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int oldRev=0;
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int newRev=0;
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try {
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// start up
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System.out.println(copyright);
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System.out.println(hline);
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// check java version
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try {
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/*String[] check =*/ "a,b".split(","); // split needs java 1.4
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} catch (NoSuchMethodError e) {
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System.err.println("STARTUP: Java Version too low. You need at least Java 1.4.2 to run YaCy");
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Thread.sleep(3000);
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System.exit(-1);
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}
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// ensure that there is a DATA directory, if not, create one and if that fails warn and die
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File f = new File(homePath); if (!(f.exists())) f.mkdirs();
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f = new File(homePath, "DATA/"); if (!(f.exists())) f.mkdirs();
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if (!(f.exists())) {
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System.err.println("Error creating DATA-directory in " + homePath.toString() + " . Please check your write-permission for this folder. YaCy will now terminate.");
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System.exit(-1);
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}
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// setting up logging
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f = new File(homePath, "DATA/LOG/"); if (!(f.exists())) f.mkdirs();
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if (!((new File(homePath, "DATA/LOG/yacy.logging")).exists())) try {
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serverFileUtils.copy(new File(homePath, "yacy.logging"), new File(homePath, "DATA/LOG/yacy.logging"));
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}catch (IOException e){
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System.out.println("could not copy yacy.logging");
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}
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try{
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serverLog.configureLogging(new File(homePath, "DATA/LOG/yacy.logging"));
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} catch (IOException e) {
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System.out.println("could not find logging properties in homePath=" + homePath);
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e.printStackTrace();
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}
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serverLog.logConfig("STARTUP", "java version " + System.getProperty("java.version", "no-java-version"));
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serverLog.logConfig("STARTUP", "Application Root Path: " + homePath);
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serverLog.logConfig("STARTUP", "Time Zone: UTC" + serverDate.UTCDiffString() + "; UTC+0000 is " + System.currentTimeMillis());
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serverLog.logConfig("STARTUP", "Maximum file system path length: " + serverSystem.maxPathLength);
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/*
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// Testing if the yacy archive file were unzipped correctly.
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// This test is needed because of classfile-names longer than 100 chars
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// which could cause problems with incompatible unzip software.
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// See:
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// - http://www.yacy-forum.de/viewtopic.php?t=1763
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// - http://www.yacy-forum.de/viewtopic.php?t=715
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// - http://www.yacy-forum.de/viewtopic.php?t=1674
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File unzipTest = new File(homePath,"doc/This_is_a_test_if_the_archive_file_containing_YaCy_was_unpacked_correctly_If_not_please_use_gnu_tar_instead.txt");
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if (!unzipTest.exists()) {
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String errorMsg = "The archive file containing YaCy was not unpacked correctly. " +
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"Please use 'GNU-Tar' or upgrade to a newer version of your unzip software.\n" +
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"For detailed information on this bug see: " +
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"http://www.yacy-forum.de/viewtopic.php?t=715";
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System.err.println(errorMsg);
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serverLog.logSevere("STARTUP", errorMsg);
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System.exit(1);
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}
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*/
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final plasmaSwitchboard sb = new plasmaSwitchboard(homePath, "yacy.init", "DATA/SETTINGS/httpProxy.conf");
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// save information about available memory at startup time
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sb.setConfig("memoryFreeAfterStartup", startupMemFree);
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sb.setConfig("memoryTotalAfterStartup", startupMemTotal);
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// hardcoded, forced, temporary value-migration
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sb.setConfig("htTemplatePath", "htroot/env/templates");
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sb.setConfig("parseableExt", "html,htm,txt,php,shtml,asp");
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// set default = no restart
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sb.setConfig("restart", "false");
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// if we are running an SVN version, we try to detect the used svn revision now ...
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final Properties buildProp = new Properties();
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File buildPropFile = null;
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try {
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buildPropFile = new File(homePath,"build.properties");
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buildProp.load(new FileInputStream(buildPropFile));
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} catch (Exception e) {
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serverLog.logWarning("STARTUP", buildPropFile.toString() + " not found in settings path");
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}
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oldRev=Integer.parseInt(sb.getConfig("svnRevision", "0"));
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try {
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if (buildProp.containsKey("releaseNr")) {
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// this normally looks like this: $Revision$
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final String svnReleaseNrStr = buildProp.getProperty("releaseNr");
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final Pattern pattern = Pattern.compile("\\$Revision:\\s(.*)\\s\\$",Pattern.DOTALL+Pattern.CASE_INSENSITIVE);
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final Matcher matcher = pattern.matcher(svnReleaseNrStr);
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if (matcher.find()) {
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final String svrReleaseNr = matcher.group(1);
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try {
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try {version = Double.parseDouble(vString);} catch (NumberFormatException e) {version = (float) 0.1;}
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version = versvn2combinedVersion(version, Integer.parseInt(svrReleaseNr));
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} catch (NumberFormatException e) {}
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sb.setConfig("svnRevision", svrReleaseNr);
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}
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}
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newRev=Integer.parseInt(sb.getConfig("svnRevision", "0"));
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} catch (Exception e) {
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System.err.println("Unable to determine the currently used SVN revision number.");
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}
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sb.setConfig("version", Double.toString(version));
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sb.setConfig("vString", combined2prettyVersion(Double.toString(version)));
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sb.setConfig("vdate", vDATE);
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sb.setConfig("applicationRoot", homePath);
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sb.setConfig("startupTime", Long.toString(startup));
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serverLog.logConfig("STARTUP", "YACY Version: " + version + ", Built " + vDATE);
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yacyCore.latestVersion = version;
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// read environment
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int timeout = Integer.parseInt(sb.getConfig("httpdTimeout", "60000"));
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if (timeout < 60000) timeout = 60000;
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// create some directories
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final File htRootPath = new File(homePath, sb.getConfig("htRootPath", "htroot"));
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final File htDocsPath = new File(homePath, sb.getConfig("htDocsPath", "DATA/HTDOCS"));
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//final File htTemplatePath = new File(homePath, sb.getConfig("htTemplatePath","htdocs"));
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// create default notifier picture
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//TODO: Use templates instead of copying images ...
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if (!((new File(htDocsPath, "notifier.gif")).exists())) try {
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serverFileUtils.copy(new File(htRootPath, "env/grafics/empty.gif"),
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new File(htDocsPath, "notifier.gif"));
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} catch (IOException e) {}
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if (!(htDocsPath.exists())) htDocsPath.mkdir();
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final File htdocsDefaultReadme = new File(htDocsPath, "readme.txt");
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if (!(htdocsDefaultReadme.exists())) try {serverFileUtils.write((
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"This is your root directory for individual Web Content\r\n" +
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"\r\n" +
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"Please place your html files into the www subdirectory.\r\n" +
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"The URL of that path is either\r\n" +
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"http://www.<your-peer-name>.yacy or\r\n" +
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"http://<your-ip>:<your-port>/www\r\n" +
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"\r\n" +
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"Other subdirectories may be created; they map to corresponding sub-domains.\r\n" +
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"This directory shares it's content with the applications htroot path, so you\r\n" +
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"may access your yacy search page with\r\n" +
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"http://<your-peer-name>.yacy/\r\n" +
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"\r\n").getBytes(), htdocsDefaultReadme);} catch (IOException e) {
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System.out.println("Error creating htdocs readme: " + e.getMessage());
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}
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final File wwwDefaultPath = new File(htDocsPath, "www");
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if (!(wwwDefaultPath.exists())) wwwDefaultPath.mkdir();
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final File shareDefaultPath = new File(htDocsPath, "share");
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if (!(shareDefaultPath.exists())) shareDefaultPath.mkdir();
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migration.migrate(sb, oldRev, newRev);
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// start main threads
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final String port = sb.getConfig("port", "8080");
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try {
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final httpd protocolHandler = new httpd(sb, new httpdFileHandler(sb), new httpdProxyHandler(sb));
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final serverCore server = new serverCore(
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timeout /*control socket timeout in milliseconds*/,
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true /* block attacks (wrong protocol) */,
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protocolHandler /*command class*/,
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sb,
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30000 /*command max length incl. GET args*/);
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server.setName("httpd:"+port);
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server.setPriority(Thread.MAX_PRIORITY);
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server.setObeyIntermission(false);
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if (server == null) {
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serverLog.logSevere("STARTUP", "Failed to start server. Probably port " + port + " already in use.");
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} else {
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// first start the server
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sb.deployThread("10_httpd", "HTTPD Server/Proxy", "the HTTPD, used as web server and proxy", null, server, 0, 0, 0, 0);
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//server.start();
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// open the browser window
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final boolean browserPopUpTrigger = sb.getConfig("browserPopUpTrigger", "true").equals("true");
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if (browserPopUpTrigger) {
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String browserPopUpPage = sb.getConfig("browserPopUpPage", "ConfigBasic.html");
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boolean properPW = (sb.getConfig("adminAccount", "").length() == 0) && (sb.getConfig("adminAccountBase64MD5", "").length() > 0);
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if (!properPW) browserPopUpPage = "ConfigBasic.html";
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final String browserPopUpApplication = sb.getConfig("browserPopUpApplication", "netscape");
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serverSystem.openBrowser((server.withSSL()?"https":"http") + "://localhost:" + serverCore.getPortNr(port) + "/" + browserPopUpPage, browserPopUpApplication);
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}
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//Copy the shipped locales into DATA
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final File localesPath = new File(homePath, sb.getConfig("localesPath", "DATA/LOCALE"));
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final File defaultLocalesPath = new File(homePath, "locales");
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try{
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final File[] defaultLocales = defaultLocalesPath.listFiles();
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localesPath.mkdirs();
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for(int i=0;i < defaultLocales.length; i++){
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if(defaultLocales[i].getName().endsWith(".lng"))
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serverFileUtils.copy(defaultLocales[i], new File(localesPath, defaultLocales[i].getName()));
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}
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serverLog.logInfo("STARTUP", "Copied the default locales to DATA/LOCALE");
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}catch(NullPointerException e){
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serverLog.logSevere("STARTUP", "Nullpointer Exception while copying the default Locales");
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}
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//regenerate Locales from Translationlist, if needed
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final String lang = sb.getConfig("htLocaleSelection", "");
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if(! lang.equals("") && ! lang.equals("default") ){ //locale is used
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String currentRev = "";
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try{
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final BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(new File( sb.getConfig("htLocalePath", "DATA/HTDOCS/locale"), lang+"/version" ))));
|
|
currentRev = br.readLine();
|
|
br.close();
|
|
}catch(IOException e){
|
|
//Error
|
|
}
|
|
|
|
try{ //seperate try, because we want this, even if the file "version" does not exist.
|
|
if(! currentRev.equals(sb.getConfig("svnRevision", "")) ){ //is this another version?!
|
|
final File sourceDir = new File(sb.getConfig("htRootPath", "htroot"));
|
|
final File destDir = new File(sb.getConfig("htLocalePath", "DATA/HTDOCS/locale"), lang);
|
|
|
|
if(translator.translateFilesRecursive(sourceDir, destDir, new File("DATA/LOCALE/"+lang+".lng"), "html,template,inc", "locale")){ //translate it
|
|
//write the new Versionnumber
|
|
final BufferedWriter bw = new BufferedWriter(new PrintWriter(new FileWriter(new File(destDir, "version"))));
|
|
bw.write(sb.getConfig("svnRevision", "Error getting Version"));
|
|
bw.close();
|
|
}
|
|
}
|
|
}catch(IOException e){
|
|
//Error
|
|
}
|
|
}
|
|
|
|
// registering shutdown hook
|
|
serverLog.logConfig("STARTUP", "Registering Shutdown Hook");
|
|
final Runtime run = Runtime.getRuntime();
|
|
run.addShutdownHook(new shutdownHookThread(Thread.currentThread(), sb));
|
|
|
|
// save information about available memory after all initializations
|
|
//try {
|
|
sb.setConfig("memoryFreeAfterInitBGC", Runtime.getRuntime().freeMemory());
|
|
sb.setConfig("memoryTotalAfterInitBGC", Runtime.getRuntime().totalMemory());
|
|
System.gc();
|
|
sb.setConfig("memoryFreeAfterInitAGC", Runtime.getRuntime().freeMemory());
|
|
sb.setConfig("memoryTotalAfterInitAGC", Runtime.getRuntime().totalMemory());
|
|
//} catch (ConcurrentModificationException e) {}
|
|
|
|
// wait for server shutdown
|
|
try {
|
|
sb.waitForShutdown();
|
|
} catch (Exception e) {
|
|
serverLog.logSevere("MAIN CONTROL LOOP", "PANIC: " + e.getMessage(),e);
|
|
}
|
|
restart = sb.getConfig("restart", "false");
|
|
|
|
// shut down
|
|
serverLog.logConfig("SHUTDOWN", "caught termination signal");
|
|
server.terminate(false);
|
|
server.interrupt();
|
|
if (server.isAlive()) try {
|
|
URL u = new URL((server.withSSL()?"https":"http")+"://localhost:" + serverCore.getPortNr(port));
|
|
httpc.wget(u, u.getHost(), 1000, null, null, null); // kick server
|
|
serverLog.logConfig("SHUTDOWN", "sent termination signal to server socket");
|
|
} catch (IOException ee) {
|
|
serverLog.logConfig("SHUTDOWN", "termination signal to server socket missed (server shutdown, ok)");
|
|
}
|
|
|
|
// idle until the processes are down
|
|
while (server.isAlive()) {
|
|
Thread.sleep(2000); // wait a while
|
|
}
|
|
serverLog.logConfig("SHUTDOWN", "server has terminated");
|
|
sb.close();
|
|
}
|
|
} catch (Exception e) {
|
|
serverLog.logSevere("STARTUP", "Unexpected Error: " + e.getClass().getName(),e);
|
|
//System.exit(1);
|
|
}
|
|
} catch (Exception ee) {
|
|
serverLog.logSevere("STARTUP", "FATAL ERROR: " + ee.getMessage(),ee);
|
|
}
|
|
|
|
// restart YaCy
|
|
if (restart.equals("true")) {
|
|
serverLog.logConfig("SHUTDOWN", "RESTART...");
|
|
long count = 0;
|
|
if (Thread.activeCount() > 1) {
|
|
serverLog.logConfig("SHUTDOWN", "Wait maximally 5 minutes for " + (Thread.activeCount() - 1) + " running threads to restart YaCy");
|
|
while (Thread.activeCount() > 1 && count <= 60) { // wait 5 minutes
|
|
count++;
|
|
try { Thread.sleep(5000); } catch (InterruptedException e) {}
|
|
}
|
|
}
|
|
if (count < 60) {
|
|
System.gc();
|
|
try { Thread.sleep(5000); } catch (InterruptedException e) {}
|
|
startupMemFree = Runtime.getRuntime().freeMemory(); // the amount of free memory in the Java Virtual Machine
|
|
startupMemTotal = Runtime.getRuntime().totalMemory(); // the total amount of memory in the Java virtual machine; may vary over time
|
|
startup(homePath, startupMemFree, startupMemTotal);
|
|
} else {
|
|
serverLog.logConfig("SHUTDOWN", "RESTART BREAK, more than 5 minutes waited to try a restart, goodbye. (this is the last line)");
|
|
// serverLog.logConfig("SHUTDOWN", "RESTART BREAK, getAllStackTraces()\n" + Thread.getAllStackTraces()); // needs java 1.5
|
|
}
|
|
} else {
|
|
serverLog.logConfig("SHUTDOWN", "goodbye. (this is the last line)");
|
|
}
|
|
try {
|
|
System.exit(0);
|
|
} catch (Exception e) {} // was once stopped by de.anomic.net.ftpc$sm.checkExit(ftpc.java:1790)
|
|
}
|
|
|
|
/**
|
|
* Loads the configuration from the data-folder.
|
|
* FIXME: Why is this called over and over again from every method, instead
|
|
* of setting the configurationdata once for this class in main?
|
|
*
|
|
* @param mes Where are we called from, so that the errormessages can be
|
|
* more descriptive.
|
|
* @param homePath Root-path where all the information is to be found.
|
|
* @return Properties read from the configurationfile.
|
|
*/
|
|
private static Properties configuration(String mes, String homePath) {
|
|
serverLog.logConfig(mes, "Application Root Path: " + homePath.toString());
|
|
|
|
// read data folder
|
|
File dataFolder = new File(homePath, "DATA");
|
|
if (!(dataFolder.exists())) {
|
|
serverLog.logSevere(mes, "Application was never started or root path wrong.");
|
|
System.exit(-1);
|
|
}
|
|
|
|
Properties config = new Properties();
|
|
try {
|
|
config.load(new FileInputStream(new File(homePath, "DATA/SETTINGS/httpProxy.conf")));
|
|
} catch (FileNotFoundException e) {
|
|
serverLog.logSevere(mes, "could not find configuration file.");
|
|
System.exit(-1);
|
|
} catch (IOException e) {
|
|
serverLog.logSevere(mes, "could not read configuration file.");
|
|
System.exit(-1);
|
|
}
|
|
|
|
return config;
|
|
}
|
|
|
|
static void shutdown() {
|
|
String applicationRoot = System.getProperty("user.dir").replace('\\', '/');
|
|
shutdown(applicationRoot);
|
|
}
|
|
|
|
/**
|
|
* Call the shutdown-page of YaCy to tell it to shut down. This method is
|
|
* called if you start yacy with the argument -shutdown.
|
|
*
|
|
* @param homePath Root-path where all the information is to be found.
|
|
*/
|
|
static void shutdown(String homePath) {
|
|
// start up
|
|
System.out.println(copyright);
|
|
System.out.println(hline);
|
|
|
|
Properties config = configuration("REMOTE-SHUTDOWN", homePath);
|
|
|
|
// read port
|
|
int port = serverCore.getPortNr(config.getProperty("port", "8080"));
|
|
|
|
// read password
|
|
String encodedPassword = (String) config.get("adminAccountBase64MD5");
|
|
if (encodedPassword == null) encodedPassword = ""; // not defined
|
|
|
|
// send 'wget' to web interface
|
|
httpHeader requestHeader = new httpHeader();
|
|
requestHeader.put("Authorization", "realm=" + encodedPassword); // for http-authentify
|
|
try {
|
|
httpc con = httpc.getInstance("localhost", "localhost", port, 10000, false);
|
|
httpc.response res = con.GET("Steering.html?shutdown=", requestHeader);
|
|
|
|
// read response
|
|
if (res.status.startsWith("2")) {
|
|
serverLog.logConfig("REMOTE-SHUTDOWN", "YACY accepted shutdown command.");
|
|
serverLog.logConfig("REMOTE-SHUTDOWN", "Stand by for termination, which may last some seconds.");
|
|
ByteArrayOutputStream bos = new ByteArrayOutputStream();
|
|
res.writeContent(bos, null);
|
|
con.close();
|
|
} else {
|
|
serverLog.logSevere("REMOTE-SHUTDOWN", "error response from YACY socket: " + res.status);
|
|
System.exit(-1);
|
|
}
|
|
} catch (IOException e) {
|
|
serverLog.logSevere("REMOTE-SHUTDOWN", "could not establish connection to YACY socket: " + e.getMessage());
|
|
System.exit(-1);
|
|
}
|
|
|
|
// finished
|
|
serverLog.logConfig("REMOTE-SHUTDOWN", "SUCCESSFULLY FINISHED remote-shutdown:");
|
|
serverLog.logConfig("REMOTE-SHUTDOWN", "YACY will terminate after working off all enqueued tasks.");
|
|
}
|
|
|
|
/**
|
|
* This method gets all found words and outputs a statistic about the score
|
|
* of the words. The output of this method can be used to create stop-word
|
|
* lists. This method will be called if you start yacy with the argument
|
|
* -genwordstat.
|
|
* FIXME: How can stop-word list be created from this output? What type of
|
|
* score is output?
|
|
*
|
|
* @param homePath Root-Path where all the information is to be found.
|
|
*/
|
|
private static void genWordstat(String homePath) {
|
|
// start up
|
|
System.out.println(copyright);
|
|
System.out.println(hline);
|
|
|
|
Properties config = configuration("GEN-WORDSTAT", homePath);
|
|
|
|
// load words
|
|
serverLog.logInfo("GEN-WORDSTAT", "loading words...");
|
|
HashMap words = loadWordMap(new File(homePath, "yacy.words"));
|
|
|
|
// find all hashes
|
|
serverLog.logInfo("GEN-WORDSTAT", "searching all word-hash databases...");
|
|
File dbRoot = new File(homePath, config.getProperty("dbPath"));
|
|
enumerateFiles ef = new enumerateFiles(new File(dbRoot, "WORDS"), true, false, true, true);
|
|
File f;
|
|
String h;
|
|
kelondroMScoreCluster hs = new kelondroMScoreCluster();
|
|
while (ef.hasMoreElements()) {
|
|
f = (File) ef.nextElement();
|
|
h = f.getName().substring(0, yacySeedDB.commonHashLength);
|
|
hs.addScore(h, (int) f.length());
|
|
}
|
|
|
|
// list the hashes in reverse order
|
|
serverLog.logInfo("GEN-WORDSTAT", "listing words in reverse size order...");
|
|
String w;
|
|
Iterator i = hs.scores(false);
|
|
while (i.hasNext()) {
|
|
h = (String) i.next();
|
|
w = (String) words.get(h);
|
|
if (w == null) System.out.print("# " + h); else System.out.print(w);
|
|
System.out.println(" - " + hs.getScore(h));
|
|
}
|
|
|
|
// finished
|
|
serverLog.logConfig("GEN-WORDSTAT", "FINISHED");
|
|
}
|
|
|
|
/**
|
|
* Migrates the PLASMA WORDS structure to the assortment cache if possible.
|
|
* This method will be called if you start yacy with the argument
|
|
* -migratewords.
|
|
* Caution: This might take a long time to finish. Don't interrupt it!
|
|
* FIXME: Shouldn't this method be private?
|
|
*
|
|
* @param homePath Root-path where all the information is to be found.
|
|
*/
|
|
public static void migrateWords(String homePath) {
|
|
// run with "java -classpath classes yacy -migratewords"
|
|
try {serverLog.configureLogging(new File(homePath, "DATA/LOG/yacy.logging"));} catch (Exception e) {}
|
|
File dbroot = new File(new File(homePath), "DATA/PLASMADB");
|
|
File indexRoot = new File(new File(homePath), "DATA/INDEX");
|
|
serverLog log = new serverLog("WORDMIGRATION");
|
|
log.logInfo("STARTING MIGRATION");
|
|
plasmaWordIndex wordIndexCache = new plasmaWordIndex(indexRoot, 60000000, 60000000, 10000, log);
|
|
enumerateFiles words = new enumerateFiles(new File(dbroot, "WORDS"), true, false, true, true);
|
|
String wordhash;
|
|
File wordfile;
|
|
int migrationCount;
|
|
while (words.hasMoreElements())
|
|
try {
|
|
wordfile = (File) words.nextElement();
|
|
wordhash = wordfile.getName().substring(0, 12);
|
|
// System.out.println("NOW: " + wordhash);
|
|
migrationCount = migrateWords2index(dbroot, wordhash, wordIndexCache);
|
|
if (migrationCount >= 0) {
|
|
if (migrationCount == 0)
|
|
log.logInfo("SKIPPED " + wordhash + ": empty");
|
|
else if (migrationCount > 0)
|
|
log.logInfo("MIGRATED " + wordhash + ": " + migrationCount + " entries");
|
|
else
|
|
log.logInfo("REVERSED " + wordhash + ": " + (-migrationCount) + " entries");
|
|
} else {
|
|
log.logInfo("SKIPPED " + wordhash);
|
|
}
|
|
} catch (Exception e) {
|
|
log.logSevere("Exception", e);
|
|
}
|
|
log.logInfo("FINISHED MIGRATION JOB, WAIT FOR DUMP");
|
|
wordIndexCache.close();
|
|
log.logInfo("TERMINATED MIGRATION");
|
|
}
|
|
|
|
|
|
public static int migrateWords2index(File oldDatabaseRoot, String wordhash, plasmaWordIndex wi) throws IOException {
|
|
// returns the number of entries that had been added to the assortments
|
|
// can be negative if some assortments have been moved to the backend
|
|
File db = plasmaWordIndexFile.wordHash2path(oldDatabaseRoot, wordhash);
|
|
if (!(db.exists())) {
|
|
serverLog.logSevere("migrateWordIndex", "word index file for hash " + wordhash + " not found");
|
|
return -1;
|
|
}
|
|
plasmaWordIndexFile entity = null;
|
|
try {
|
|
entity = new plasmaWordIndexFile(oldDatabaseRoot, wordhash);
|
|
int size = entity.size();
|
|
indexContainer container = new indexContainer(wordhash, indexRWIEntryNew.urlEntryRow);
|
|
|
|
try {
|
|
Iterator entries = entity.elements(true);
|
|
indexRWIEntry entry;
|
|
while (entries.hasNext()) {
|
|
entry = (indexRWIEntry) entries.next();
|
|
// System.out.println("ENTRY = " + entry.getUrlHash());
|
|
container.add(entry, System.currentTimeMillis());
|
|
}
|
|
// we have read all elements, now delete the entity
|
|
entity.deleteComplete();
|
|
entity.close();
|
|
entity = null;
|
|
|
|
wi.addEntries(container, container.updated(), false);
|
|
return size;
|
|
} catch (kelondroException e) {
|
|
// database corrupted, we simply give up the database and delete it
|
|
try { entity.close(); } catch (Exception ee) { }
|
|
entity = null;
|
|
try { db.delete(); } catch (Exception ee) { }
|
|
serverLog.logSevere("migrateWordIndex", "database for hash " + wordhash + " corrupted; deleted");
|
|
return -1;
|
|
}
|
|
} finally {
|
|
if (entity != null) try {entity.close();}catch(Exception e){}
|
|
}
|
|
}
|
|
|
|
public static void migrateAssortments(String homePath) {
|
|
// run with "java -classpath classes yacy -migrateassortments"
|
|
try {serverLog.configureLogging(new File(homePath, "DATA/LOG/yacy.logging"));} catch (Exception e) {}
|
|
serverLog log = new serverLog("ASSORTMENTMIGRATION");
|
|
File aclusterroot = new File(new File(homePath), "DATA/PLASMADB/ACLUSTER");
|
|
File indexRoot = new File(new File(homePath), "DATA/INDEX");
|
|
plasmaWordIndex wordIndexCache = new plasmaWordIndex(indexRoot, 60000000, 60000000, 10000, log);
|
|
log.logInfo("STARTING MIGRATION");
|
|
String[] a = aclusterroot.list();
|
|
AssortmentImporter importer = new AssortmentImporter(wordIndexCache);
|
|
for (int i = a.length - 1; i >= 0; i--) {
|
|
if (a[i].startsWith("indexAssortment")) {
|
|
importer.init(new File(aclusterroot, a[i]), 16000000, 2000);
|
|
importer.run();
|
|
}
|
|
}
|
|
log.logInfo("FINISHED MIGRATION JOB, WAIT FOR DUMP");
|
|
wordIndexCache.close();
|
|
log.logInfo("TERMINATED MIGRATION");
|
|
}
|
|
|
|
/**
|
|
* @param homePath path to the YaCy directory
|
|
* @param dbcache cache size in MB
|
|
*/
|
|
public static void minimizeUrlDB(String homePath, int dbcache) {
|
|
// run with "java -classpath classes yacy -minimizeUrlDB"
|
|
try {serverLog.configureLogging(new File(homePath, "DATA/LOG/yacy.logging"));} catch (Exception e) {}
|
|
File indexRoot = new File(new File(homePath), "DATA/INDEX");
|
|
serverLog log = new serverLog("URL-CLEANUP");
|
|
try {
|
|
log.logInfo("STARTING URL CLEANUP");
|
|
|
|
// db containing all currently loades urls
|
|
int cache = dbcache * 1024; // in KB
|
|
log.logFine("URLDB-Caches: "+cache+" bytes");
|
|
plasmaCrawlLURL currentUrlDB = new plasmaCrawlLURL(indexRoot, cache, 10000);
|
|
|
|
// db used to hold all neede urls
|
|
plasmaCrawlLURL minimizedUrlDB = new plasmaCrawlLURL(indexRoot, cache, 10000);
|
|
|
|
Runtime rt = Runtime.getRuntime();
|
|
int cacheMem = (int)(serverMemory.max-rt.totalMemory());
|
|
if (cacheMem < 2048000) throw new OutOfMemoryError("Not enough memory available to start clean up.");
|
|
|
|
plasmaWordIndex wordIndex = new plasmaWordIndex(indexRoot, cacheMem, cacheMem, 10000, log);
|
|
Iterator indexContainerIterator = wordIndex.wordContainers("------------", false, false);
|
|
|
|
long urlCounter = 0, wordCounter = 0;
|
|
long wordChunkStart = System.currentTimeMillis(), wordChunkEnd = 0;
|
|
String wordChunkStartHash = "------------", wordChunkEndHash;
|
|
|
|
while (indexContainerIterator.hasNext()) {
|
|
indexContainer wordIdxContainer = null;
|
|
try {
|
|
wordCounter++;
|
|
wordIdxContainer = (indexContainer) indexContainerIterator.next();
|
|
|
|
// the combined container will fit, read the container
|
|
Iterator wordIdxEntries = wordIdxContainer.entries();
|
|
indexRWIEntry iEntry;
|
|
while (wordIdxEntries.hasNext()) {
|
|
iEntry = (indexRWIEntry) wordIdxEntries.next();
|
|
String urlHash = iEntry.urlHash();
|
|
if ((currentUrlDB.exists(urlHash)) && (!minimizedUrlDB.exists(urlHash))) try {
|
|
indexURLEntry urlEntry = currentUrlDB.load(urlHash, null);
|
|
urlCounter++;
|
|
minimizedUrlDB.store(urlEntry);
|
|
if (urlCounter % 500 == 0) {
|
|
log.logInfo(urlCounter + " URLs found so far.");
|
|
}
|
|
} catch (IOException e) {}
|
|
}
|
|
|
|
if (wordCounter%500 == 0) {
|
|
wordChunkEndHash = wordIdxContainer.getWordHash();
|
|
wordChunkEnd = System.currentTimeMillis();
|
|
long duration = wordChunkEnd - wordChunkStart;
|
|
log.logInfo(wordCounter + " words scanned " +
|
|
"[" + wordChunkStartHash + " .. " + wordChunkEndHash + "]\n" +
|
|
"Duration: "+ 500*1000/duration + " words/s" +
|
|
" | Free memory: " + rt.freeMemory() +
|
|
" | Total memory: " + rt.totalMemory());
|
|
wordChunkStart = wordChunkEnd;
|
|
wordChunkStartHash = wordChunkEndHash;
|
|
}
|
|
|
|
// we have read all elements, now we can close it
|
|
wordIdxContainer = null;
|
|
|
|
} catch (Exception e) {
|
|
log.logSevere("Exception", e);
|
|
} finally {
|
|
if (wordIdxContainer != null) try { wordIdxContainer = null; } catch (Exception e) {}
|
|
}
|
|
}
|
|
log.logInfo("current LURL DB contains " + currentUrlDB.size() + " entries.");
|
|
log.logInfo("mimimized LURL DB contains " + minimizedUrlDB.size() + " entries.");
|
|
|
|
currentUrlDB.close();
|
|
minimizedUrlDB.close();
|
|
wordIndex.close();
|
|
|
|
// TODO: rename the mimimized UrlDB to the name of the previous UrlDB
|
|
|
|
log.logInfo("FINISHED URL CLEANUP, WAIT FOR DUMP");
|
|
log.logInfo("You can now backup your old URL DB and rename minimized/urlHash.db to urlHash.db");
|
|
|
|
log.logInfo("TERMINATED URL CLEANUP");
|
|
} catch (Exception e) {
|
|
log.logSevere("Exception: " + e.getMessage(), e);
|
|
} catch (Error e) {
|
|
log.logSevere("Error: " + e.getMessage(), e);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Reads all words from the given file and creates a hashmap, where key is
|
|
* the plasma word hash and value is the word itself.
|
|
*
|
|
* @param wordlist File where the words are stored.
|
|
* @return HashMap with the hash-word - relation.
|
|
*/
|
|
private static HashMap loadWordMap(File wordlist) {
|
|
// returns a hash-word - Relation
|
|
HashMap wordmap = new HashMap();
|
|
try {
|
|
String word;
|
|
BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(wordlist)));
|
|
while ((word = br.readLine()) != null) wordmap.put(plasmaCondenser.word2hash(word),word);
|
|
br.close();
|
|
} catch (IOException e) {}
|
|
return wordmap;
|
|
}
|
|
|
|
/**
|
|
* Reads all words from the given file and creats as HashSet, which contains
|
|
* all found words.
|
|
*
|
|
* @param wordlist File where the words are stored.
|
|
* @return HashSet with the words
|
|
*/
|
|
private static HashSet loadWordSet(File wordlist) {
|
|
// returns a set of words
|
|
HashSet wordset = new HashSet();
|
|
try {
|
|
String word;
|
|
BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(wordlist)));
|
|
while ((word = br.readLine()) != null) wordset.add(word);
|
|
br.close();
|
|
} catch (IOException e) {}
|
|
return wordset;
|
|
}
|
|
|
|
/**
|
|
* Cleans a wordlist in a file according to the length of the words. The
|
|
* file with the given filename is read and then only the words in the given
|
|
* length-range are written back to the file.
|
|
*
|
|
* @param wordlist Name of the file the words are stored in.
|
|
* @param minlength Minimal needed length for each word to be stored.
|
|
* @param maxlength Maximal allowed length for each word to be stored.
|
|
*/
|
|
private static void cleanwordlist(String wordlist, int minlength, int maxlength) {
|
|
// start up
|
|
System.out.println(copyright);
|
|
System.out.println(hline);
|
|
serverLog.logConfig("CLEAN-WORDLIST", "START");
|
|
|
|
String word;
|
|
TreeSet wordset = new TreeSet();
|
|
int count = 0;
|
|
try {
|
|
BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(wordlist)));
|
|
String seps = "' .,:/-&";
|
|
while ((word = br.readLine()) != null) {
|
|
word = word.toLowerCase().trim();
|
|
for (int i = 0; i < seps.length(); i++) {
|
|
if (word.indexOf(seps.charAt(i)) >= 0) word = word.substring(0, word.indexOf(seps.charAt(i)));
|
|
}
|
|
if ((word.length() >= minlength) && (word.length() <= maxlength)) wordset.add(word);
|
|
count++;
|
|
}
|
|
br.close();
|
|
|
|
if (wordset.size() != count) {
|
|
count = count - wordset.size();
|
|
BufferedWriter bw = new BufferedWriter(new PrintWriter(new FileWriter(wordlist)));
|
|
while (wordset.size() > 0) {
|
|
word = (String) wordset.first();
|
|
bw.write(word + "\n");
|
|
wordset.remove(word);
|
|
}
|
|
bw.close();
|
|
serverLog.logInfo("CLEAN-WORDLIST", "shrinked wordlist by " + count + " words.");
|
|
} else {
|
|
serverLog.logInfo("CLEAN-WORDLIST", "not necessary to change wordlist");
|
|
}
|
|
} catch (IOException e) {
|
|
serverLog.logSevere("CLEAN-WORDLIST", "ERROR: " + e.getMessage());
|
|
System.exit(-1);
|
|
}
|
|
|
|
// finished
|
|
serverLog.logConfig("CLEAN-WORDLIST", "FINISHED");
|
|
}
|
|
|
|
/**
|
|
* Gets all words from the stopword-list and removes them in the databases.
|
|
* FIXME: Really? Don't know if I read this correctly.
|
|
*
|
|
* @param homePath Root-Path where all information is to be found.
|
|
*/
|
|
private static void deleteStopwords(String homePath) {
|
|
// start up
|
|
System.out.println(copyright);
|
|
System.out.println(hline);
|
|
serverLog.logConfig("DELETE-STOPWORDS", "START");
|
|
|
|
Properties config = configuration("DELETE-STOPWORDS", homePath);
|
|
File dbRoot = new File(homePath, config.getProperty("dbPath"));
|
|
|
|
// load stopwords
|
|
HashSet stopwords = loadWordSet(new File(homePath, "yacy.stopwords"));
|
|
serverLog.logInfo("DELETE-STOPWORDS", "loaded stopwords, " + stopwords.size() + " entries in list, starting scanning");
|
|
|
|
// find all hashes
|
|
File f;
|
|
String w;
|
|
int count = 0;
|
|
long thisamount, totalamount = 0;
|
|
Iterator i = stopwords.iterator();
|
|
while (i.hasNext()) {
|
|
w = (String) i.next();
|
|
f = plasmaWordIndexFile.wordHash2path(dbRoot, plasmaCondenser.word2hash(w));
|
|
if (f.exists()) {
|
|
thisamount = f.length();
|
|
if (f.delete()) {
|
|
count++;
|
|
totalamount += thisamount;
|
|
serverLog.logInfo("DELETE-STOPWORDS", "deleted index for word '" + w + "', " + thisamount + " bytes");
|
|
}
|
|
}
|
|
}
|
|
|
|
serverLog.logInfo("DELETE-STOPWORDS", "TOTALS: deleted " + count + " indexes; " + (totalamount / 1024) + " kbytes");
|
|
|
|
// finished
|
|
serverLog.logConfig("DELETE-STOPWORDS", "FINISHED");
|
|
}
|
|
|
|
private static void transferCR(String targetaddress, String crfile) {
|
|
File f = new File(crfile);
|
|
try {
|
|
byte[] b = serverFileUtils.read(f);
|
|
String result = yacyClient.transfer(targetaddress, f.getName(), b);
|
|
if (result == null)
|
|
serverLog.logInfo("TRANSFER-CR", "transmitted file " + crfile + " to " + targetaddress + " successfully");
|
|
else
|
|
serverLog.logInfo("TRANSFER-CR", "error transmitting file " + crfile + " to " + targetaddress + ": " + result);
|
|
} catch (IOException e) {
|
|
serverLog.logInfo("TRANSFER-CR", "could not read file " + crfile);
|
|
}
|
|
}
|
|
/**
|
|
* Generates a text file containing all domains in this peer's DB.
|
|
* This may be useful to calculate the YaCy-Blockrank.
|
|
*
|
|
* @param format String which determines the format of the file. Possible values: "html", "zip", "gzip" or "plain"
|
|
* @see urllist
|
|
*/
|
|
private static void domlist(String homePath, String source, String format, String targetName) {
|
|
|
|
File root = new File(homePath);
|
|
try {
|
|
final plasmaSwitchboard sb = new plasmaSwitchboard(homePath, "yacy.init", "DATA/SETTINGS/httpProxy.conf");
|
|
HashMap doms = new HashMap();
|
|
System.out.println("Started domain list extraction from " + sb.wordIndex.loadedURL.size() + " url entries.");
|
|
System.out.println("a dump will be written after double-check of all extracted domains.");
|
|
System.out.println("This process may fail in case of too less memory. To increase memory, start with");
|
|
System.out.println("java -Xmx<megabytes>m -classpath classes yacy -domlist [ -source { nurl | lurl | eurl } ] [ -format { text | zip | gzip | html } ] [ <path to DATA folder> ]");
|
|
int c = 0;
|
|
long start = System.currentTimeMillis();
|
|
if (source.equals("lurl")) {
|
|
Iterator eiter = sb.wordIndex.loadedURL.entries(true, false, null);
|
|
indexURLEntry entry;
|
|
while (eiter.hasNext()) {
|
|
try {
|
|
entry = (indexURLEntry) eiter.next();
|
|
indexURLEntry.Components comp = entry.comp();
|
|
if ((entry != null) && (comp.url() != null)) doms.put(comp.url().getHost(), null);
|
|
} catch (Exception e) {
|
|
// here a MalformedURLException may occur
|
|
// just ignore
|
|
}
|
|
c++;
|
|
if (c % 10000 == 0) System.out.println(
|
|
c + " urls checked, " +
|
|
doms.size() + " domains collected, " +
|
|
((Runtime.getRuntime().maxMemory() - Runtime.getRuntime().totalMemory() + Runtime.getRuntime().freeMemory()) / 1024 / 1024) + " MB available, " +
|
|
((System.currentTimeMillis() - start) * (sb.wordIndex.loadedURL.size() - c) / c / 60000) + " minutes remaining.");
|
|
}
|
|
}
|
|
if (source.equals("eurl")) {
|
|
Iterator eiter = sb.errorURL.entries(true, false, null);
|
|
plasmaCrawlEURL.Entry entry;
|
|
while (eiter.hasNext()) {
|
|
try {
|
|
entry = (plasmaCrawlEURL.Entry) eiter.next();
|
|
if ((entry != null) && (entry.url() != null)) doms.put(entry.url().getHost(), entry.failreason());
|
|
} catch (Exception e) {
|
|
// here a MalformedURLException may occur
|
|
// just ignore
|
|
}
|
|
c++;
|
|
if (c % 10000 == 0) System.out.println(
|
|
c + " urls checked, " +
|
|
doms.size() + " domains collected, " +
|
|
((Runtime.getRuntime().maxMemory() - Runtime.getRuntime().totalMemory() + Runtime.getRuntime().freeMemory()) / 1024 / 1024) + " MB available, " +
|
|
((System.currentTimeMillis() - start) * (sb.wordIndex.loadedURL.size() - c) / c / 60000) + " minutes remaining.");
|
|
}
|
|
}
|
|
if (source.equals("nurl")) {
|
|
Iterator eiter = sb.noticeURL.entries(true, false, null);
|
|
plasmaCrawlNURL.Entry entry;
|
|
while (eiter.hasNext()) {
|
|
try {
|
|
entry = (plasmaCrawlNURL.Entry) eiter.next();
|
|
if ((entry != null) && (entry.url() != null)) doms.put(entry.url().getHost(), "profile=" + entry.profileHandle() + ", depth=" + entry.depth());
|
|
} catch (Exception e) {
|
|
// here a MalformedURLException may occur
|
|
// just ignore
|
|
}
|
|
c++;
|
|
if (c % 10000 == 0) System.out.println(
|
|
c + " urls checked, " +
|
|
doms.size() + " domains collected, " +
|
|
((Runtime.getRuntime().maxMemory() - Runtime.getRuntime().totalMemory() + Runtime.getRuntime().freeMemory()) / 1024 / 1024) + " MB available, " +
|
|
((System.currentTimeMillis() - start) * (sb.wordIndex.loadedURL.size() - c) / c / 60000) + " minutes remaining.");
|
|
}
|
|
}
|
|
|
|
if (format.equals("html")) {
|
|
// output file in HTML format
|
|
File file = new File(root, targetName + ".html");
|
|
BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(file));
|
|
System.out.println("Started domain list dump to file " + file);
|
|
Iterator i = doms.entrySet().iterator();
|
|
Map.Entry entry;
|
|
String key;
|
|
bos.write(("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">").getBytes());
|
|
bos.write(serverCore.crlf);
|
|
bos.write(("<html><head><title>YaCy " + source + " domainlist</title></head><body>").getBytes());
|
|
bos.write(serverCore.crlf);
|
|
while (i.hasNext()) {
|
|
entry = (Map.Entry) i.next();
|
|
key = (String) entry.getKey();
|
|
bos.write(("<a href=\"http://" + key + "\">" + key + "</a>" +
|
|
((entry.getValue() == null) ? "" : (" " + ((String) entry.getValue()))) + "<br>"
|
|
).getBytes());
|
|
bos.write(serverCore.crlf);
|
|
}
|
|
bos.write(("</body></html>").getBytes());
|
|
bos.close();
|
|
|
|
} else if (format.equals("zip")) {
|
|
// output file in plain text but compressed with ZIP
|
|
File file = new File(root, targetName + ".zip");
|
|
System.out.println("Started domain list dump to file " + file);
|
|
serverFileUtils.saveSet(file, "zip", doms.keySet(), new String(serverCore.crlf));
|
|
|
|
} else if (format.equals("gzip")) {
|
|
// output file in plain text but compressed with GZIP
|
|
File file = new File(root, targetName + ".txt.gz");
|
|
System.out.println("Started domain list dump to file " + file);
|
|
serverFileUtils.saveSet(file, "gzip", doms.keySet(), new String(serverCore.crlf));
|
|
} else {
|
|
// plain text list
|
|
File file = new File(root, targetName + ".txt");
|
|
System.out.println("Started domain list dump to file " + file);
|
|
serverFileUtils.saveSet(file, "plain", doms.keySet(), new String(serverCore.crlf));
|
|
}
|
|
sb.close();
|
|
} catch (IOException e) {
|
|
e.printStackTrace();
|
|
}
|
|
}
|
|
|
|
private static void urllist(String homePath, String source, boolean html, String targetName) {
|
|
File root = new File(homePath);
|
|
try {
|
|
final plasmaSwitchboard sb = new plasmaSwitchboard(homePath, "yacy.init", "DATA/SETTINGS/httpProxy.conf");
|
|
File file = new File(root, targetName);
|
|
BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(file));
|
|
|
|
if (source.equals("lurl")) {
|
|
Iterator eiter = sb.wordIndex.loadedURL.entries(true, false, null);
|
|
indexURLEntry entry;
|
|
while (eiter.hasNext()) {
|
|
entry = (indexURLEntry) eiter.next();
|
|
indexURLEntry.Components comp = entry.comp();
|
|
if ((entry != null) && (comp.url() != null)) {
|
|
if (html) {
|
|
bos.write(("<a href=\"" + comp.url().toNormalform() + "\">" + comp.descr() + "</a><br>").getBytes("UTF-8"));
|
|
bos.write(serverCore.crlf);
|
|
} else {
|
|
bos.write(comp.url().toNormalform().getBytes());
|
|
bos.write(serverCore.crlf);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (source.equals("eurl")) {
|
|
Iterator eiter = sb.errorURL.entries(true, false, null);
|
|
plasmaCrawlEURL.Entry entry;
|
|
while (eiter.hasNext()) {
|
|
entry = (plasmaCrawlEURL.Entry) eiter.next();
|
|
if ((entry != null) && (entry.url() != null)) {
|
|
if (html) {
|
|
bos.write(("<a href=\"" + entry.url() + "\">" + entry.url() + "</a> " + entry.failreason() + "<br>").getBytes("UTF-8"));
|
|
bos.write(serverCore.crlf);
|
|
} else {
|
|
bos.write(entry.url().toString().getBytes());
|
|
bos.write(serverCore.crlf);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (source.equals("nurl")) {
|
|
Iterator eiter = sb.noticeURL.entries(true, false, null);
|
|
plasmaCrawlNURL.Entry entry;
|
|
while (eiter.hasNext()) {
|
|
entry = (plasmaCrawlNURL.Entry) eiter.next();
|
|
if ((entry != null) && (entry.url() != null)) {
|
|
if (html) {
|
|
bos.write(("<a href=\"" + entry.url() + "\">" + entry.url() + "</a> " + "profile=" + entry.profileHandle() + ", depth=" + entry.depth() + "<br>").getBytes("UTF-8"));
|
|
bos.write(serverCore.crlf);
|
|
} else {
|
|
bos.write(entry.url().toString().getBytes());
|
|
bos.write(serverCore.crlf);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
bos.close();
|
|
sb.close();
|
|
} catch (IOException e) {
|
|
e.printStackTrace();
|
|
}
|
|
}
|
|
|
|
private static void migratelurls(String homePath, File urlHash) {
|
|
final plasmaSwitchboard sb = new plasmaSwitchboard(homePath, "yacy.init", "DATA/SETTINGS/httpProxy.conf");
|
|
kelondroTree oldindex = null;
|
|
try {
|
|
oldindex = new kelondroTree(urlHash, 1000, -1, indexURLEntryOld.rowdef);
|
|
} catch (IOException e) {
|
|
System.out.println("ERROR: CANNOT OPEN OLD INDEX: " + e.getMessage());
|
|
}
|
|
|
|
long start = System.currentTimeMillis();
|
|
long last = start;
|
|
int tc = oldindex.size(), c = 0;
|
|
Iterator eiter = oldindex.contentRows(-1);
|
|
kelondroRow.Entry oldrow;
|
|
indexURLEntry oldentry;
|
|
indexURLEntry newentry;
|
|
indexURLEntry.Components comp;
|
|
byte[] dummymd5 = new byte[0];
|
|
while (eiter.hasNext()) {
|
|
try {
|
|
oldrow = (kelondroRow.Entry) eiter.next();
|
|
} catch (Exception e) {
|
|
// an IOException may occur here
|
|
//e.printStackTrace();
|
|
oldrow = null;
|
|
}
|
|
if (oldrow != null) try {
|
|
oldentry = new indexURLEntryOld(oldrow, null);
|
|
comp = oldentry.comp();
|
|
newentry = sb.wordIndex.loadedURL.newEntry(
|
|
comp.url(),
|
|
comp.descr(),
|
|
"",
|
|
"",
|
|
"",
|
|
oldentry.moddate(),
|
|
oldentry.loaddate(),
|
|
oldentry.freshdate(),
|
|
oldentry.referrerHash(),
|
|
dummymd5,
|
|
oldentry.size(),
|
|
oldentry.wordCount(),
|
|
oldentry.doctype(),
|
|
new kelondroBitfield(4),
|
|
oldentry.language(),
|
|
0, 0, 0, 0, 0, 0);
|
|
sb.wordIndex.loadedURL.store(newentry);
|
|
c++;
|
|
} catch (IOException e) {
|
|
// ignore
|
|
}
|
|
if (System.currentTimeMillis() - last > 60000) {
|
|
System.out.println("Migrated " + c + " from " + tc + " urls. Estimated remaining time: " + ((System.currentTimeMillis() - start) * (tc - c) / c / 60000) + " minutes");
|
|
last = System.currentTimeMillis();
|
|
}
|
|
}
|
|
sb.close();
|
|
try { oldindex.close(); } catch (IOException e) { }
|
|
System.out.println("MIGRATION OF " + c + " URLs FINISHED");
|
|
}
|
|
|
|
private static String[] shift(String[] args, int pos, int count) {
|
|
String[] newargs = new String[args.length - count];
|
|
System.arraycopy(args, 0, newargs, 0, pos);
|
|
System.arraycopy(args, pos + count, newargs, pos, args.length - pos - count);
|
|
return newargs;
|
|
}
|
|
|
|
/**
|
|
* Uses an Iteration over urlHash.db to detect malformed URL-Entries.
|
|
* Damaged URL-Entries will be marked in a HashSet and removed at the end of the function.
|
|
*
|
|
* @param homePath Root-Path where all information is to be found.
|
|
*/
|
|
private static void urldbcleanup(String homePath) {
|
|
File root = new File(homePath);
|
|
File indexroot = new File(root, "DATA/INDEX");
|
|
serverLog log = new serverLog("URLDBCLEANUP");
|
|
try {serverLog.configureLogging(new File(homePath, "DATA/LOG/yacy.logging"));} catch (Exception e) {}
|
|
try {
|
|
plasmaCrawlLURL currentUrlDB = new plasmaCrawlLURL(indexroot, 4194304, 10000);
|
|
currentUrlDB.urldbcleanup();
|
|
currentUrlDB.close();
|
|
} catch (IOException e) {
|
|
log.logSevere("IOException", e);
|
|
}
|
|
}
|
|
|
|
private static void RWIHashList(String homePath, String targetName, String resource, String format) {
|
|
plasmaWordIndex WordIndex = null;
|
|
serverLog log = new serverLog("HASHLIST");
|
|
File homeDBroot = new File(new File(homePath), "DATA/PLASMADB");
|
|
File indexRoot = new File(new File(homePath), "DATA/INDEX");
|
|
String wordChunkStartHash = "AAAAAAAAAAAA";
|
|
try {serverLog.configureLogging(new File(homePath, "DATA/LOG/yacy.logging"));} catch (Exception e) {}
|
|
log.logInfo("STARTING CREATION OF RWI-HASHLIST");
|
|
File root = new File(homePath);
|
|
try {
|
|
Iterator indexContainerIterator = null;
|
|
if (resource.equals("all")) {
|
|
WordIndex = new plasmaWordIndex(indexRoot, 8*1024*1024, 8*1024*1024, 3000, log);
|
|
indexContainerIterator = WordIndex.wordContainers(wordChunkStartHash, false, false);
|
|
} else if (resource.startsWith("assortment")) {
|
|
int a = Integer.parseInt(resource.substring(10));
|
|
plasmaWordIndexAssortment assortment = new plasmaWordIndexAssortment(new File(homeDBroot, "ACLUSTER"), a, 8*1024*1024, 3000, null);
|
|
indexContainerIterator = assortment.wordContainers();
|
|
} else if (resource.equals("words")) {
|
|
plasmaWordIndexFileCluster fileDB = new plasmaWordIndexFileCluster(homeDBroot);
|
|
indexContainerIterator = fileDB.wordContainers(wordChunkStartHash, false);
|
|
}
|
|
int counter = 0;
|
|
indexContainer container = null;
|
|
if (format.equals("zip")) {
|
|
log.logInfo("Writing Hashlist to ZIP-file: " + targetName + ".zip");
|
|
ZipEntry zipEntry = new ZipEntry(targetName + ".txt");
|
|
File file = new File(root, targetName + ".zip");
|
|
ZipOutputStream bos = new ZipOutputStream(new FileOutputStream(file));
|
|
bos.putNextEntry(zipEntry);
|
|
while (indexContainerIterator.hasNext()) {
|
|
counter++;
|
|
container = (indexContainer) indexContainerIterator.next();
|
|
bos.write((container.getWordHash()).getBytes());
|
|
bos.write(serverCore.crlf);
|
|
if (counter % 500 == 0) {
|
|
log.logInfo("Found " + counter + " Hashs until now. Last found Hash: " + container.getWordHash());
|
|
}
|
|
}
|
|
bos.close();
|
|
} else {
|
|
log.logInfo("Writing Hashlist to TXT-file: " + targetName + ".txt");
|
|
File file = new File(root, targetName + ".txt");
|
|
BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(file));
|
|
while (indexContainerIterator.hasNext()) {
|
|
counter++;
|
|
container = (indexContainer) indexContainerIterator.next();
|
|
bos.write((container.getWordHash()).getBytes());
|
|
bos.write(serverCore.crlf);
|
|
if (counter % 500 == 0) {
|
|
log.logInfo("Found " + counter + " Hashs until now. Last found Hash: " + container.getWordHash());
|
|
}
|
|
}
|
|
bos.close();
|
|
}
|
|
log.logInfo("Total number of Hashs: " + counter + ". Last found Hash: " + container.getWordHash());
|
|
} catch (IOException e) {
|
|
log.logSevere("IOException", e);
|
|
}
|
|
if (WordIndex != null) {
|
|
WordIndex.close();
|
|
WordIndex = null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Searching for peers affected by Bug documented in <a href="http://www.yacy-forum.de/viewtopic.php?p=16056#16056">YaCy-Forum Posting 16056</a>
|
|
* @param homePath
|
|
* @see <a href="http://www.yacy-forum.de/viewtopic.php?p=16056#16056">YaCy-Forum Posting 16056</a>
|
|
*/
|
|
public static void testPeerDB(String homePath) {
|
|
|
|
try {
|
|
File yacyDBPath = new File(new File(homePath), "DATA/YACYDB");
|
|
|
|
String[] dbFileNames = {"seed.new.db","seed.old.db","seed.pot.db"};
|
|
for (int i=0; i < dbFileNames.length; i++) {
|
|
File dbFile = new File(yacyDBPath,dbFileNames[i]);
|
|
kelondroMap db = new kelondroMap(new kelondroDyn(dbFile, (1024 * 0x400) / 3, 3000, yacySeedDB.commonHashLength, 480, '#'), yacySeedDB.sortFields, yacySeedDB.accFields);
|
|
|
|
kelondroMap.mapIterator it;
|
|
it = db.maps(true, false);
|
|
while (it.hasNext()) {
|
|
Map dna = (Map) it.next();
|
|
String peerHash = (String) dna.get("key");
|
|
if (peerHash.length() < yacySeedDB.commonHashLength) {
|
|
String peerName = (String) dna.get("Name");
|
|
String peerIP = (String) dna.get("IP");
|
|
String peerPort = (String) dna.get("Port");
|
|
|
|
while (peerHash.length() < yacySeedDB.commonHashLength) { peerHash = peerHash + "_"; }
|
|
System.err.println("Invalid Peer-Hash found in '" + dbFileNames[i] + "': " + peerName + ":" + peerHash + ", http://" + peerIP + ":" + peerPort);
|
|
}
|
|
}
|
|
db.close();
|
|
}
|
|
} catch (Exception e) {
|
|
e.printStackTrace();
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* Main-method which is started by java. Checks for special arguments or
|
|
* starts up the application.
|
|
*
|
|
* @param args
|
|
* Given arguments from the command line.
|
|
*/
|
|
public static void main(String args[]) {
|
|
|
|
// check assertion status
|
|
//ClassLoader.getSystemClassLoader().setDefaultAssertionStatus(true);
|
|
boolean assertionenabled = false;
|
|
assert assertionenabled = true;
|
|
if (assertionenabled) System.out.println("Asserts are enabled");
|
|
|
|
// check memory amount
|
|
System.gc();
|
|
long startupMemFree = Runtime.getRuntime().freeMemory(); // the amount of free memory in the Java Virtual Machine
|
|
long startupMemTotal = Runtime.getRuntime().totalMemory(); // the total amount of memory in the Java virtual machine; may vary over time
|
|
serverMemory.available(); // force initialization of class serverMemory
|
|
|
|
// go into headless awt mode
|
|
System.setProperty("java.awt.headless", "true");
|
|
//which XML Parser?
|
|
// if(System.getProperty("javax.xml.parsers.DocumentBuilderFactory")==null){
|
|
// System.setProperty("javax.xml.parsers.DocumentBuilderFactory", "org.apache.crimson.jaxp.DocumentBuilderFactoryImpl");
|
|
// }
|
|
// if(System.getProperty("javax.xml.parsers.SAXParserFactory")==null){
|
|
// System.setProperty("javax.xml.parsers.SAXParserFactory", "org.apache.crimson.jaxp.SAXParserFactoryImpl");
|
|
// }
|
|
|
|
String applicationRoot = System.getProperty("user.dir").replace('\\', '/');
|
|
//System.out.println("args.length=" + args.length);
|
|
//System.out.print("args=["); for (int i = 0; i < args.length; i++) System.out.print(args[i] + ", "); System.out.println("]");
|
|
if ((args.length >= 1) && ((args[0].toLowerCase().equals("-startup")) || (args[0].equals("-start")))) {
|
|
// normal start-up of yacy
|
|
if (args.length == 2) applicationRoot= args[1];
|
|
startup(applicationRoot, startupMemFree, startupMemTotal);
|
|
} else if ((args.length >= 1) && ((args[0].toLowerCase().equals("-shutdown")) || (args[0].equals("-stop")))) {
|
|
// normal shutdown of yacy
|
|
if (args.length == 2) applicationRoot= args[1];
|
|
shutdown(applicationRoot);
|
|
} else if ((args.length >= 1) && (args[0].toLowerCase().equals("-migratewords"))) {
|
|
// migrate words from DATA/PLASMADB/WORDS path to collection index
|
|
// attention: this may run long and should not be interrupted!
|
|
if (args.length == 2) applicationRoot= args[1];
|
|
migrateWords(applicationRoot);
|
|
} else if ((args.length >= 1) && (args[0].toLowerCase().equals("-migrateassortments"))) {
|
|
// migrate assortments from DATA/PLASMADB/ACLUSTER path to collection index
|
|
// attention: this may run long and should not be interrupted!
|
|
if (args.length == 2) applicationRoot= args[1];
|
|
migrateAssortments(applicationRoot);
|
|
} else if ((args.length >= 1) && (args[0].toLowerCase().equals("-minimizeurldb"))) {
|
|
// migrate words from DATA/PLASMADB/WORDS path to assortment cache, if possible
|
|
// attention: this may run long and should not be interrupted!
|
|
int dbcache = 4;
|
|
if (args.length >= 3 && args[1].toLowerCase().equals("-cache")) {
|
|
dbcache = Integer.parseInt(args[2]);
|
|
args = shift(args, 1, 2);
|
|
}
|
|
if (args.length == 2) applicationRoot= args[1];
|
|
minimizeUrlDB(applicationRoot, dbcache);
|
|
} else if ((args.length >= 1) && (args[0].toLowerCase().equals("-testpeerdb"))) {
|
|
if (args.length == 2) {
|
|
applicationRoot= args[1];
|
|
} else if (args.length > 2) {
|
|
System.err.println("Usage: -testPeerDB [homeDbRoot]");
|
|
}
|
|
testPeerDB(applicationRoot);
|
|
} else if ((args.length >= 1) && (args[0].toLowerCase().equals("-deletestopwords"))) {
|
|
// delete those words in the index that are listed in the stopwords file
|
|
if (args.length == 2) applicationRoot= args[1];
|
|
deleteStopwords(applicationRoot);
|
|
} else if ((args.length >= 1) && (args[0].toLowerCase().equals("-genwordstat"))) {
|
|
// this can help to create a stop-word list
|
|
// to use this, you need a 'yacy.words' file in the root path
|
|
// start this with "java -classpath classes yacy -genwordstat [<rootdir>]"
|
|
if (args.length == 2) applicationRoot= args[1];
|
|
genWordstat(applicationRoot);
|
|
} else if ((args.length == 4) && (args[0].toLowerCase().equals("-cleanwordlist"))) {
|
|
// this can be used to organize and clean a word-list
|
|
// start this with "java -classpath classes yacy -cleanwordlist <word-file> <minlength> <maxlength>"
|
|
int minlength = Integer.parseInt(args[2]);
|
|
int maxlength = Integer.parseInt(args[3]);
|
|
cleanwordlist(args[1], minlength, maxlength);
|
|
} else if ((args.length >= 1) && (args[0].toLowerCase().equals("-transfercr"))) {
|
|
// transfer a single cr file to a remote peer
|
|
String targetaddress = args[1];
|
|
String crfile = args[2];
|
|
transferCR(targetaddress, crfile);
|
|
} else if ((args.length >= 1) && (args[0].toLowerCase().equals("-domlist"))) {
|
|
// generate a url list and save it in a file
|
|
String source = "lurl";
|
|
if (args.length >= 3 && args[1].toLowerCase().equals("-source")) {
|
|
if ((args[2].equals("nurl")) ||
|
|
(args[2].equals("lurl")) ||
|
|
(args[2].equals("eurl")))
|
|
source = args[2];
|
|
args = shift(args, 1, 2);
|
|
}
|
|
String format = "txt";
|
|
if (args.length >= 3 && args[1].toLowerCase().equals("-format")) {
|
|
if ((args[2].equals("html")) ||
|
|
(args[2].equals("zip")) ||
|
|
(args[2].equals("gzip")))
|
|
format = args[2];
|
|
args = shift(args, 1, 2);
|
|
}
|
|
if (args.length == 2) applicationRoot= args[1];
|
|
String outfile = "domlist_" + source + "_" + System.currentTimeMillis();
|
|
domlist(applicationRoot, source, format, outfile);
|
|
} else if ((args.length >= 1) && (args[0].toLowerCase().equals("-urllist"))) {
|
|
// generate a url list and save it in a file
|
|
String source = "lurl";
|
|
if (args.length >= 3 && args[1].toLowerCase().equals("-source")) {
|
|
if ((args[2].equals("nurl")) ||
|
|
(args[2].equals("lurl")) ||
|
|
(args[2].equals("eurl")))
|
|
source = args[2];
|
|
args = shift(args, 1, 2);
|
|
}
|
|
boolean html = false;
|
|
if (args.length >= 3 && args[1].toLowerCase().equals("-format")) {
|
|
if (args[2].equals("html")) html = true;
|
|
args = shift(args, 1, 2);
|
|
}
|
|
if (args.length == 2) applicationRoot= args[1];
|
|
String outfile = "urllist_" + source + "_" + System.currentTimeMillis() + ((html) ? ".html" : ".txt");
|
|
urllist(applicationRoot, source, html, outfile);
|
|
} else if ((args.length >= 1) && (args[0].toLowerCase().equals("-migratelurls"))) {
|
|
File root = new File(applicationRoot);
|
|
migratelurls(applicationRoot, new File(root, "DATA/PLASMADB/urlHash.db"));
|
|
} else if ((args.length >= 1) && (args[0].toLowerCase().equals("-urldbcleanup"))) {
|
|
// generate a url list and save it in a file
|
|
if (args.length == 2) applicationRoot= args[1];
|
|
urldbcleanup(applicationRoot);
|
|
} else if ((args.length >= 1) && (args[0].toLowerCase().equals("-rwihashlist"))) {
|
|
// generate a url list and save it in a file
|
|
String domain = "all";
|
|
String format = "txt";
|
|
if (args.length >= 2) domain= args[1];
|
|
if (args.length >= 3) format= args[2];
|
|
if (args.length == 4) applicationRoot= args[3];
|
|
String outfile = "rwihashlist_" + System.currentTimeMillis();
|
|
RWIHashList(applicationRoot, outfile, domain, format);
|
|
} else {
|
|
if (args.length == 1) applicationRoot= args[0];
|
|
startup(applicationRoot, startupMemFree, startupMemTotal);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This class is a helper class whose instance is started, when the java virtual
|
|
* machine shuts down. Signals the plasmaSwitchboard to shut down.
|
|
*/
|
|
class shutdownHookThread extends Thread {
|
|
private plasmaSwitchboard sb = null;
|
|
private Thread mainThread = null;
|
|
|
|
public shutdownHookThread(Thread mainThread, plasmaSwitchboard sb) {
|
|
super();
|
|
this.sb = sb;
|
|
this.mainThread = mainThread;
|
|
}
|
|
|
|
public void run() {
|
|
try {
|
|
if (!this.sb.isTerminated()) {
|
|
serverLog.logConfig("SHUTDOWN","Shutdown via shutdown hook.");
|
|
|
|
// sending the yacy main thread a shutdown signal
|
|
serverLog.logFine("SHUTDOWN","Signaling shutdown to the switchboard.");
|
|
this.sb.terminate();
|
|
|
|
// waiting for the yacy thread to finish execution
|
|
serverLog.logFine("SHUTDOWN","Waiting for main thread to finish.");
|
|
if (this.mainThread.isAlive() && !this.sb.isTerminated()) {
|
|
this.mainThread.join();
|
|
}
|
|
}
|
|
} catch (Exception e) {
|
|
serverLog.logSevere("SHUTDOWN","Unexpected error. " + e.getClass().getName(),e);
|
|
}
|
|
}
|
|
}
|