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1076 lines
52 KiB
1076 lines
52 KiB
// yacy.java
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// -----------------------
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// (C) by Michael Peter Christen; mc@yacy.net
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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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import java.io.BufferedInputStream;
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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.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 org.apache.commons.httpclient.MultiThreadedHttpConnectionManager;
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import de.anomic.data.translator;
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import de.anomic.http.HttpClient;
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import de.anomic.http.JakartaCommonsHttpClient;
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import de.anomic.http.JakartaCommonsHttpResponse;
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import de.anomic.http.httpRequestHeader;
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import de.anomic.http.httpd;
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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.indexRWIRowEntry;
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import de.anomic.index.indexRepositoryReference;
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import de.anomic.index.indexURLReference;
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import de.anomic.index.indexWord;
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import de.anomic.kelondro.blob.BLOBHeap;
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import de.anomic.kelondro.blob.MapDataMining;
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import de.anomic.kelondro.index.RowCollection;
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import de.anomic.kelondro.order.Base64Order;
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import de.anomic.kelondro.order.DateFormatter;
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import de.anomic.kelondro.util.MemoryControl;
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import de.anomic.kelondro.util.ScoreCluster;
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import de.anomic.kelondro.util.Log;
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import de.anomic.kelondro.util.FileUtils;
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import de.anomic.plasma.plasmaSwitchboard;
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import de.anomic.plasma.plasmaSwitchboardConstants;
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import de.anomic.plasma.plasmaWordIndex;
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import de.anomic.server.serverCore;
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import de.anomic.server.serverSemaphore;
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import de.anomic.server.serverSystem;
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import de.anomic.tools.enumerateFiles;
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import de.anomic.tools.Formatter;
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import de.anomic.yacy.yacyClient;
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import de.anomic.yacy.yacySeedDB;
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import de.anomic.yacy.yacyTray;
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import de.anomic.yacy.yacyURL;
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import de.anomic.yacy.yacyVersion;
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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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public static final String vString = "@REPL_VERSION@";
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public static double version = 0.1;
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public static boolean pro = false;
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public static final String vDATE = "@REPL_DATE@";
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public static final String copyright = "[ YaCy v" + vString + ", build " + vDATE + " by Michael Christen / www.yacy.net ]";
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public static final String hline = "-------------------------------------------------------------------------------";
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/**
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* a reference to the {@link plasmaSwitchboard} created by the
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* {@link yacy#startup(String, long, long)} method.
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*/
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private static plasmaSwitchboard sb = null;
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/**
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* Semaphore needed by {@link yacy#setUpdaterCallback(serverUpdaterCallback)} to block
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* until the {@link plasmaSwitchboard }object was created.
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*/
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//private static serverSemaphore sbSync = new serverSemaphore(0);
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/**
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* Semaphore needed by {@link yacy#waitForFinishedStartup()} to block
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* until startup has finished
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*/
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private static serverSemaphore startupFinishedSync = new serverSemaphore(0);
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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(final File homePath, final long startupMemFree, final long startupMemTotal) {
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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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"a".codePointAt(0); // needs at least Java 1.5
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} catch (final NoSuchMethodError e) {
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System.err.println("STARTUP: Java Version too low. You need at least Java 1.5 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 = homePath;
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mkdirsIfNeseccary(f);
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f = new File(homePath, "DATA/");
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mkdirsIfNeseccary(f);
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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/");
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mkdirsIfNeseccary(f);
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f = new File(homePath, "DATA/LOG/yacy.logging");
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/*if (!f.exists())*/ try {
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FileUtils.copy(new File(homePath, "yacy.logging"), f);
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} catch (final 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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Log.configureLogging(homePath, new File(homePath, "DATA/LOG/yacy.logging"));
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} catch (final 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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Log.logConfig("STARTUP", "Java version: " + System.getProperty("java.version", "no-java-version"));
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Log.logConfig("STARTUP", "Operation system: " + System.getProperty("os.name","unknown"));
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Log.logConfig("STARTUP", "Application root-path: " + homePath);
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Log.logConfig("STARTUP", "Time zone: UTC" + DateFormatter.UTCDiffString() + "; UTC+0000 is " + System.currentTimeMillis());
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Log.logConfig("STARTUP", "Maximum file system path length: " + serverSystem.maxPathLength);
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f = new File(homePath, "DATA/yacy.running");
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if (f.exists()) { // another instance running? VM crash? User will have to care about this
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Log.logSevere("STARTUP", "WARNING: the file " + f + " exists, this usually means that a YaCy instance is still running");
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delete(f);
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}
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if(!f.createNewFile())
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Log.logSevere("STARTUP", "WARNING: the file " + f + " can not be created!");
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f.deleteOnExit();
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pro = new File(homePath, "libx").exists();
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final String oldconf = "DATA/SETTINGS/httpProxy.conf".replace("/", File.separator);
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final String newconf = "DATA/SETTINGS/yacy.conf".replace("/", File.separator);
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final File oldconffile = new File(homePath, oldconf);
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if (oldconffile.exists()) {
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final File newconfFile = new File(homePath, newconf);
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if(!oldconffile.renameTo(newconfFile))
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Log.logSevere("STARTUP", "WARNING: the file " + oldconffile + " can not be renamed to "+ newconfFile +"!");
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}
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sb = new plasmaSwitchboard(homePath, "defaults/yacy.init".replace("/", File.separator), newconf, pro);
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//sbSync.V(); // signal that the sb reference was set
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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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// 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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final File buildPropFile = new File(homePath,"build.properties");
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try {
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buildProp.load(new FileInputStream(buildPropFile));
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} catch (final Exception e) {
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Log.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 (final NumberFormatException e) {version = (float) 0.1;}
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version = yacyVersion.versvn2combinedVersion(version, Integer.parseInt(svrReleaseNr));
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} catch (final 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 (final 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", yacyVersion.combined2prettyVersion(Double.toString(version)));
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sb.setConfig("vdate", (vDATE.startsWith("@")) ? DateFormatter.formatShortDay() : vDATE);
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sb.setConfig("applicationRoot", homePath.toString());
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Log.logConfig("STARTUP", "YACY Version: " + version + ", Built " + sb.getConfig("vdate", "00000000"));
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yacyVersion.latestRelease = version;
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// read environment
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final int timeout = Math.max(20000, Integer.parseInt(sb.getConfig("httpdTimeout", "20000")));
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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 = sb.getConfigPath(plasmaSwitchboardConstants.HTDOCS_PATH, plasmaSwitchboardConstants.HTDOCS_PATH_DEFAULT);
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mkdirIfNeseccary(htDocsPath);
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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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FileUtils.copy(new File(htRootPath, "env/grafics/empty.gif"),
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new File(htDocsPath, "notifier.gif"));
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} catch (final IOException e) {}
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final File htdocsReadme = new File(htDocsPath, "readme.txt");
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if (!(htdocsReadme.exists())) try {FileUtils.copy((
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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(), htdocsReadme);} catch (final 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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mkdirIfNeseccary(wwwDefaultPath);
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final File shareDefaultPath = new File(htDocsPath, "share");
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mkdirIfNeseccary(shareDefaultPath);
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migration.migrate(sb, oldRev, newRev);
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// delete old release files
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final int deleteOldDownloadsAfterDays = (int) sb.getConfigLong("update.deleteOld", 30);
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yacyVersion.deleteOldDownloads(sb.releasePath, deleteOldDownloadsAfterDays );
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// set user-agent
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final String userAgent = "yacy/" + Double.toString(version) + " (www.yacy.net; "
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+ de.anomic.http.HttpClient.getSystemOST() + ")";
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JakartaCommonsHttpClient.setUserAgent(userAgent);
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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);
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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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Log.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(plasmaSwitchboardConstants.BROWSER_POP_UP_TRIGGER, "true").equals("true");
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if (browserPopUpTrigger) {
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final String browserPopUpPage = sb.getConfig(plasmaSwitchboardConstants.BROWSER_POP_UP_PAGE, "ConfigBasic.html");
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//boolean properPW = (sb.getConfig("adminAccount", "").length() == 0) && (sb.getConfig(httpd.ADMIN_ACCOUNT_B64MD5, "").length() > 0);
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//if (!properPW) browserPopUpPage = "ConfigBasic.html";
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final String browserPopUpApplication = sb.getConfig(plasmaSwitchboardConstants.BROWSER_POP_UP_APPLICATION, "firefox");
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serverSystem.openBrowser((server.withSSL()?"https":"http") + "://localhost:" + serverCore.getPortNr(port) + "/" + browserPopUpPage, browserPopUpApplication);
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}
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// unlock yacyTray browser popup
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yacyTray.lockBrowserPopup = false;
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// Copy the shipped locales into DATA, existing files are overwritten
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final File locale_work = sb.getConfigPath("locale.work", "DATA/LOCALE/locales");
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final File locale_source = sb.getConfigPath("locale.source", "locales");
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try{
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final File[] locale_source_files = locale_source.listFiles();
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mkdirsIfNeseccary(locale_work);
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File target;
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for (int i=0; i < locale_source_files.length; i++){
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target = new File(locale_work, locale_source_files[i].getName());
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if (locale_source_files[i].getName().endsWith(".lng")) {
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if (target.exists()) delete(target);
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FileUtils.copy(locale_source_files[i], target);
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}
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}
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Log.logInfo("STARTUP", "Copied the default locales to " + locale_work.toString());
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}catch(final NullPointerException e){
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Log.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("locale.language", "");
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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.getConfigPath("locale.translated_html", "DATA/LOCALE/htroot"), lang+"/version" ))));
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currentRev = br.readLine();
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br.close();
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}catch(final IOException e){
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//Error
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}
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if (!currentRev.equals(sb.getConfig("svnRevision", ""))) try { //is this another version?!
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final File sourceDir = new File(sb.getConfig("htRootPath", "htroot"));
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final File destDir = new File(sb.getConfigPath("locale.translated_html", "DATA/LOCALE/htroot"), lang);
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if (translator.translateFilesRecursive(sourceDir, destDir, new File(locale_work, lang + ".lng"), "html,template,inc", "locale")){ //translate it
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//write the new Versionnumber
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final BufferedWriter bw = new BufferedWriter(new PrintWriter(new FileWriter(new File(destDir, "version"))));
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bw.write(sb.getConfig("svnRevision", "Error getting Version"));
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bw.close();
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}
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} catch (final IOException e) {}
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}
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// initialize number formatter with this locale
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Formatter.setLocale(lang);
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// registering shutdown hook
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Log.logConfig("STARTUP", "Registering Shutdown Hook");
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final Runtime run = Runtime.getRuntime();
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run.addShutdownHook(new shutdownHookThread(Thread.currentThread(), sb));
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// save information about available memory after all initializations
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//try {
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sb.setConfig("memoryFreeAfterInitBGC", MemoryControl.free());
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sb.setConfig("memoryTotalAfterInitBGC", MemoryControl.total());
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System.gc();
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sb.setConfig("memoryFreeAfterInitAGC", MemoryControl.free());
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sb.setConfig("memoryTotalAfterInitAGC", MemoryControl.total());
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//} catch (ConcurrentModificationException e) {}
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// signal finished startup
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startupFinishedSync.V();
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// wait for server shutdown
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try {
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sb.waitForShutdown();
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} catch (final Exception e) {
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|
Log.logSevere("MAIN CONTROL LOOP", "PANIC: " + e.getMessage(),e);
|
|
}
|
|
// shut down
|
|
if (RowCollection.sortingthreadexecutor != null) RowCollection.sortingthreadexecutor.shutdown();
|
|
Log.logConfig("SHUTDOWN", "caught termination signal");
|
|
server.terminate(false);
|
|
server.interrupt();
|
|
server.close();
|
|
if (server.isAlive()) try {
|
|
// TODO only send request, don't read response (cause server is already down resulting in error)
|
|
final yacyURL u = new yacyURL((server.withSSL()?"https":"http")+"://localhost:" + serverCore.getPortNr(port), null);
|
|
HttpClient.wget(u.toString(), null, 10000); // kick server
|
|
Log.logConfig("SHUTDOWN", "sent termination signal to server socket");
|
|
} catch (final IOException ee) {
|
|
Log.logConfig("SHUTDOWN", "termination signal to server socket missed (server shutdown, ok)");
|
|
}
|
|
JakartaCommonsHttpClient.closeAllConnections();
|
|
MultiThreadedHttpConnectionManager.shutdownAll();
|
|
|
|
// idle until the processes are down
|
|
if (server.isAlive()) {
|
|
//Thread.sleep(2000); // wait a while
|
|
server.interrupt();
|
|
MultiThreadedHttpConnectionManager.shutdownAll();
|
|
}
|
|
Log.logConfig("SHUTDOWN", "server has terminated");
|
|
sb.close();
|
|
MultiThreadedHttpConnectionManager.shutdownAll();
|
|
}
|
|
} catch (final Exception e) {
|
|
Log.logSevere("STARTUP", "Unexpected Error: " + e.getClass().getName(),e);
|
|
//System.exit(1);
|
|
}
|
|
} catch (final Exception ee) {
|
|
Log.logSevere("STARTUP", "FATAL ERROR: " + ee.getMessage(),ee);
|
|
} finally {
|
|
startupFinishedSync.V();
|
|
}
|
|
Log.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)
|
|
}
|
|
|
|
/**
|
|
* @param f
|
|
*/
|
|
private static void delete(File f) {
|
|
if(!f.delete())
|
|
Log.logSevere("STARTUP", "WARNING: the file " + f + " can not be deleted!");
|
|
}
|
|
|
|
/**
|
|
* @see File#mkdir()
|
|
* @param path
|
|
*/
|
|
private static void mkdirIfNeseccary(final File path) {
|
|
if (!(path.exists()))
|
|
if(!path.mkdir())
|
|
Log.logWarning("STARTUP", "could not create directory "+ path.toString());
|
|
}
|
|
|
|
/**
|
|
* @see File#mkdirs()
|
|
* @param path
|
|
*/
|
|
private static void mkdirsIfNeseccary(final File path) {
|
|
if (!(path.exists()))
|
|
if(!path.mkdirs())
|
|
Log.logWarning("STARTUP", "could not create directories "+ path.toString());
|
|
}
|
|
|
|
/**
|
|
* 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(final String mes, final File homePath) {
|
|
Log.logConfig(mes, "Application Root Path: " + homePath.toString());
|
|
|
|
// read data folder
|
|
final File dataFolder = new File(homePath, "DATA");
|
|
if (!(dataFolder.exists())) {
|
|
Log.logSevere(mes, "Application was never started or root path wrong.");
|
|
System.exit(-1);
|
|
}
|
|
|
|
final Properties config = new Properties();
|
|
FileInputStream fis = null;
|
|
try {
|
|
fis = new FileInputStream(new File(homePath, "DATA/SETTINGS/yacy.conf"));
|
|
config.load(fis);
|
|
} catch (final FileNotFoundException e) {
|
|
Log.logSevere(mes, "could not find configuration file.");
|
|
System.exit(-1);
|
|
} catch (final IOException e) {
|
|
Log.logSevere(mes, "could not read configuration file.");
|
|
System.exit(-1);
|
|
} finally {
|
|
if(fis != null) {
|
|
try {
|
|
fis.close();
|
|
} catch (IOException e) {
|
|
e.printStackTrace();
|
|
}
|
|
}
|
|
}
|
|
|
|
return config;
|
|
}
|
|
|
|
public static void shutdown() {
|
|
if (sb != null) {
|
|
// YaCy is running in the same runtime. we can shutdown via interrupt
|
|
sb.terminate();
|
|
} else {
|
|
final File applicationRoot = new File(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(final File homePath) {
|
|
// start up
|
|
System.out.println(copyright);
|
|
System.out.println(hline);
|
|
|
|
final Properties config = configuration("REMOTE-SHUTDOWN", homePath);
|
|
|
|
// read port
|
|
final int port = serverCore.getPortNr(config.getProperty("port", "8080"));
|
|
|
|
// read password
|
|
String encodedPassword = (String) config.get(httpd.ADMIN_ACCOUNT_B64MD5);
|
|
if (encodedPassword == null) encodedPassword = ""; // not defined
|
|
|
|
// send 'wget' to web interface
|
|
final httpRequestHeader requestHeader = new httpRequestHeader();
|
|
requestHeader.put(httpRequestHeader.AUTHORIZATION, "realm=" + encodedPassword); // for http-authentify
|
|
final JakartaCommonsHttpClient con = new JakartaCommonsHttpClient(10000, requestHeader);
|
|
JakartaCommonsHttpResponse res = null;
|
|
try {
|
|
res = con.GET("http://localhost:"+ port +"/Steering.html?shutdown=");
|
|
|
|
// read response
|
|
if (res.getStatusLine().startsWith("2")) {
|
|
Log.logConfig("REMOTE-SHUTDOWN", "YACY accepted shutdown command.");
|
|
Log.logConfig("REMOTE-SHUTDOWN", "Stand by for termination, which may last some seconds.");
|
|
final ByteArrayOutputStream bos = new ByteArrayOutputStream();
|
|
try {
|
|
FileUtils.copyToStream(new BufferedInputStream(res.getDataAsStream()), new BufferedOutputStream(bos));
|
|
} finally {
|
|
res.closeStream();
|
|
}
|
|
} else {
|
|
Log.logSevere("REMOTE-SHUTDOWN", "error response from YACY socket: " + res.getStatusLine());
|
|
System.exit(-1);
|
|
}
|
|
} catch (final IOException e) {
|
|
Log.logSevere("REMOTE-SHUTDOWN", "could not establish connection to YACY socket: " + e.getMessage());
|
|
System.exit(-1);
|
|
} finally {
|
|
// release connection
|
|
if(res != null) {
|
|
res.closeStream();
|
|
}
|
|
}
|
|
|
|
// finished
|
|
Log.logConfig("REMOTE-SHUTDOWN", "SUCCESSFULLY FINISHED remote-shutdown:");
|
|
Log.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(final File homePath) {
|
|
// start up
|
|
System.out.println(copyright);
|
|
System.out.println(hline);
|
|
|
|
final Properties config = configuration("GEN-WORDSTAT", homePath);
|
|
|
|
// load words
|
|
Log.logInfo("GEN-WORDSTAT", "loading words...");
|
|
final HashMap<String, String> words = loadWordMap(new File(homePath, "yacy.words"));
|
|
|
|
// find all hashes
|
|
Log.logInfo("GEN-WORDSTAT", "searching all word-hash databases...");
|
|
final File dbRoot = new File(homePath, config.getProperty("dbPath"));
|
|
final enumerateFiles ef = new enumerateFiles(new File(dbRoot, "WORDS"), true, false, true, true);
|
|
File f;
|
|
String h;
|
|
final ScoreCluster<String> hs = new ScoreCluster<String>();
|
|
while (ef.hasMoreElements()) {
|
|
f = ef.nextElement();
|
|
h = f.getName().substring(0, yacySeedDB.commonHashLength);
|
|
hs.addScore(h, (int) f.length());
|
|
}
|
|
|
|
// list the hashes in reverse order
|
|
Log.logInfo("GEN-WORDSTAT", "listing words in reverse size order...");
|
|
String w;
|
|
final Iterator<String> i = hs.scores(false);
|
|
while (i.hasNext()) {
|
|
h = i.next();
|
|
w = words.get(h);
|
|
if (w == null) System.out.print("# " + h); else System.out.print(w);
|
|
System.out.println(" - " + hs.getScore(h));
|
|
}
|
|
|
|
// finished
|
|
Log.logConfig("GEN-WORDSTAT", "FINISHED");
|
|
}
|
|
|
|
/**
|
|
* @param homePath path to the YaCy directory
|
|
* @param networkName
|
|
*/
|
|
public static void minimizeUrlDB(final File homePath, final String networkName) {
|
|
// run with "java -classpath classes yacy -minimizeUrlDB"
|
|
try {Log.configureLogging(homePath, new File(homePath, "DATA/LOG/yacy.logging"));} catch (final Exception e) {}
|
|
final File indexPrimaryRoot = new File(homePath, "DATA/INDEX");
|
|
final File indexSecondaryRoot = new File(homePath, "DATA/INDEX");
|
|
final File indexRoot2 = new File(homePath, "DATA/INDEX2");
|
|
final Log log = new Log("URL-CLEANUP");
|
|
try {
|
|
log.logInfo("STARTING URL CLEANUP");
|
|
|
|
// db containing all currently loades urls
|
|
final indexRepositoryReference currentUrlDB = new indexRepositoryReference(new File(indexSecondaryRoot, networkName));
|
|
|
|
// db used to hold all neede urls
|
|
final indexRepositoryReference minimizedUrlDB = new indexRepositoryReference(new File(indexRoot2, networkName));
|
|
|
|
final int cacheMem = (int)(MemoryControl.max() - MemoryControl.total());
|
|
if (cacheMem < 2048000) throw new OutOfMemoryError("Not enough memory available to start clean up.");
|
|
|
|
final plasmaWordIndex wordIndex = new plasmaWordIndex(networkName, log, indexPrimaryRoot, indexSecondaryRoot, 10000, false, 1, 0);
|
|
final Iterator<indexContainer> indexContainerIterator = wordIndex.wordContainerIterator("AAAAAAAAAAAA", false, false);
|
|
|
|
long urlCounter = 0, wordCounter = 0;
|
|
long wordChunkStart = System.currentTimeMillis(), wordChunkEnd = 0;
|
|
String wordChunkStartHash = "AAAAAAAAAAAA", wordChunkEndHash;
|
|
|
|
while (indexContainerIterator.hasNext()) {
|
|
indexContainer wordIdxContainer = null;
|
|
try {
|
|
wordCounter++;
|
|
wordIdxContainer = indexContainerIterator.next();
|
|
|
|
// the combined container will fit, read the container
|
|
final Iterator<indexRWIRowEntry> wordIdxEntries = wordIdxContainer.entries();
|
|
indexRWIEntry iEntry;
|
|
while (wordIdxEntries.hasNext()) {
|
|
iEntry = wordIdxEntries.next();
|
|
final String urlHash = iEntry.urlHash();
|
|
if ((currentUrlDB.exists(urlHash)) && (!minimizedUrlDB.exists(urlHash))) try {
|
|
final indexURLReference urlEntry = currentUrlDB.load(urlHash, null, 0);
|
|
urlCounter++;
|
|
minimizedUrlDB.store(urlEntry);
|
|
if (urlCounter % 500 == 0) {
|
|
log.logInfo(urlCounter + " URLs found so far.");
|
|
}
|
|
} catch (final IOException e) {}
|
|
}
|
|
|
|
if (wordCounter%500 == 0) {
|
|
wordChunkEndHash = wordIdxContainer.getWordHash();
|
|
wordChunkEnd = System.currentTimeMillis();
|
|
final long duration = wordChunkEnd - wordChunkStart;
|
|
log.logInfo(wordCounter + " words scanned " +
|
|
"[" + wordChunkStartHash + " .. " + wordChunkEndHash + "]\n" +
|
|
"Duration: "+ 500*1000/duration + " words/s" +
|
|
" | Free memory: " + MemoryControl.free() +
|
|
" | Total memory: " + MemoryControl.total());
|
|
wordChunkStart = wordChunkEnd;
|
|
wordChunkStartHash = wordChunkEndHash;
|
|
}
|
|
|
|
// we have read all elements, now we can close it
|
|
wordIdxContainer = null;
|
|
|
|
} catch (final Exception e) {
|
|
log.logSevere("Exception", e);
|
|
} finally {
|
|
if (wordIdxContainer != null) try { wordIdxContainer = null; } catch (final 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 (final Exception e) {
|
|
log.logSevere("Exception: " + e.getMessage(), e);
|
|
} catch (final 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<String, String> loadWordMap(final File wordlist) {
|
|
// returns a hash-word - Relation
|
|
final HashMap<String, String> wordmap = new HashMap<String, String>();
|
|
try {
|
|
String word;
|
|
final BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(wordlist)));
|
|
while ((word = br.readLine()) != null) wordmap.put(indexWord.word2hash(word), word);
|
|
br.close();
|
|
} catch (final IOException e) {}
|
|
return wordmap;
|
|
}
|
|
|
|
/**
|
|
* 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(final String wordlist, final int minlength, final int maxlength) {
|
|
// start up
|
|
System.out.println(copyright);
|
|
System.out.println(hline);
|
|
Log.logConfig("CLEAN-WORDLIST", "START");
|
|
|
|
String word;
|
|
final TreeSet<String> wordset = new TreeSet<String>();
|
|
int count = 0;
|
|
try {
|
|
final BufferedReader br = new BufferedReader(new InputStreamReader(new FileInputStream(wordlist)));
|
|
final 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();
|
|
final BufferedWriter bw = new BufferedWriter(new PrintWriter(new FileWriter(wordlist)));
|
|
while (wordset.size() > 0) {
|
|
word = wordset.first();
|
|
bw.write(word + "\n");
|
|
wordset.remove(word);
|
|
}
|
|
bw.close();
|
|
Log.logInfo("CLEAN-WORDLIST", "shrinked wordlist by " + count + " words.");
|
|
} else {
|
|
Log.logInfo("CLEAN-WORDLIST", "not necessary to change wordlist");
|
|
}
|
|
} catch (final IOException e) {
|
|
Log.logSevere("CLEAN-WORDLIST", "ERROR: " + e.getMessage());
|
|
System.exit(-1);
|
|
}
|
|
|
|
// finished
|
|
Log.logConfig("CLEAN-WORDLIST", "FINISHED");
|
|
}
|
|
|
|
private static void transferCR(final String targetaddress, final String crfile) {
|
|
final File f = new File(crfile);
|
|
try {
|
|
final byte[] b = FileUtils.read(f);
|
|
final String result = yacyClient.transfer(targetaddress, f.getName(), b);
|
|
if (result == null)
|
|
Log.logInfo("TRANSFER-CR", "transmitted file " + crfile + " to " + targetaddress + " successfully");
|
|
else
|
|
Log.logInfo("TRANSFER-CR", "error transmitting file " + crfile + " to " + targetaddress + ": " + result);
|
|
} catch (final IOException e) {
|
|
Log.logInfo("TRANSFER-CR", "could not read file " + crfile);
|
|
}
|
|
}
|
|
|
|
private static String[] shift(final String[] args, final int pos, final int count) {
|
|
final 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(final File homePath, final String networkName) {
|
|
final File root = homePath;
|
|
final File indexroot = new File(root, "DATA/INDEX");
|
|
try {Log.configureLogging(homePath, new File(homePath, "DATA/LOG/yacy.logging"));} catch (final Exception e) {}
|
|
final indexRepositoryReference currentUrlDB = new indexRepositoryReference(new File(indexroot, networkName));
|
|
currentUrlDB.deadlinkCleaner(null);
|
|
currentUrlDB.close();
|
|
}
|
|
|
|
private static void RWIHashList(final File homePath, final String targetName, final String resource, final String format) {
|
|
plasmaWordIndex WordIndex = null;
|
|
final Log log = new Log("HASHLIST");
|
|
final File indexPrimaryRoot = new File(homePath, "DATA/INDEX");
|
|
final File indexSecondaryRoot = new File(homePath, "DATA/INDEX");
|
|
final String wordChunkStartHash = "AAAAAAAAAAAA";
|
|
try {Log.configureLogging(homePath, new File(homePath, "DATA/LOG/yacy.logging"));} catch (final Exception e) {}
|
|
log.logInfo("STARTING CREATION OF RWI-HASHLIST");
|
|
final File root = homePath;
|
|
try {
|
|
Iterator<indexContainer> indexContainerIterator = null;
|
|
if (resource.equals("all")) {
|
|
WordIndex = new plasmaWordIndex("freeworld", log, indexPrimaryRoot, indexSecondaryRoot, 10000, false, 1, 0);
|
|
indexContainerIterator = WordIndex.wordContainerIterator(wordChunkStartHash, false, false);
|
|
}
|
|
int counter = 0;
|
|
indexContainer container = null;
|
|
if (format.equals("zip")) {
|
|
log.logInfo("Writing Hashlist to ZIP-file: " + targetName + ".zip");
|
|
final ZipEntry zipEntry = new ZipEntry(targetName + ".txt");
|
|
final File file = new File(root, targetName + ".zip");
|
|
final ZipOutputStream bos = new ZipOutputStream(new FileOutputStream(file));
|
|
bos.putNextEntry(zipEntry);
|
|
if(indexContainerIterator != null) {
|
|
while (indexContainerIterator.hasNext()) {
|
|
counter++;
|
|
container = 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.flush();
|
|
bos.close();
|
|
} else {
|
|
log.logInfo("Writing Hashlist to TXT-file: " + targetName + ".txt");
|
|
final File file = new File(root, targetName + ".txt");
|
|
final BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(file));
|
|
if(indexContainerIterator != null) {
|
|
while (indexContainerIterator.hasNext()) {
|
|
counter++;
|
|
container = 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.flush();
|
|
bos.close();
|
|
}
|
|
log.logInfo("Total number of Hashs: " + counter + ". Last found Hash: " + (container == null ? "null" : container.getWordHash()));
|
|
} catch (final IOException e) {
|
|
log.logSevere("IOException", e);
|
|
}
|
|
if (WordIndex != null) {
|
|
WordIndex.close();
|
|
WordIndex = null;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Searching for peers affected by Bug
|
|
* @param homePath
|
|
*/
|
|
public static void testPeerDB(final File homePath) {
|
|
|
|
try {
|
|
final File yacyDBPath = new File(homePath, "DATA/INDEX/freeworld/NETWORK");
|
|
|
|
final String[] dbFileNames = {"seed.new.db","seed.old.db","seed.pot.db"};
|
|
for (int i=0; i < dbFileNames.length; i++) {
|
|
final File dbFile = new File(yacyDBPath,dbFileNames[i]);
|
|
final MapDataMining db = new MapDataMining(new BLOBHeap(dbFile, yacySeedDB.commonHashLength, Base64Order.enhancedCoder, 1024 * 512), 500, yacySeedDB.sortFields, yacySeedDB.longaccFields, yacySeedDB.doubleaccFields, null, null);
|
|
|
|
MapDataMining.mapIterator it;
|
|
it = db.maps(true, false);
|
|
while (it.hasNext()) {
|
|
final Map<String, String> dna = it.next();
|
|
String peerHash = dna.get("key");
|
|
if (peerHash.length() < yacySeedDB.commonHashLength) {
|
|
final String peerName = dna.get("Name");
|
|
final String peerIP = dna.get("IP");
|
|
final String peerPort = 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 (final 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();
|
|
final long startupMemFree = MemoryControl.free();
|
|
final long startupMemTotal = MemoryControl.total();
|
|
|
|
// go into headless awt mode
|
|
System.setProperty("java.awt.headless", "true");
|
|
|
|
File applicationRoot = new File(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= new File(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= new File(args[1]);
|
|
shutdown(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!
|
|
if (args.length >= 3 && args[1].toLowerCase().equals("-cache")) {
|
|
args = shift(args, 1, 2);
|
|
}
|
|
if (args.length == 2) applicationRoot= new File(args[1]);
|
|
minimizeUrlDB(applicationRoot, "freeworld");
|
|
} else if ((args.length >= 1) && (args[0].toLowerCase().equals("-testpeerdb"))) {
|
|
if (args.length == 2) {
|
|
applicationRoot = new File(args[1]);
|
|
} else if (args.length > 2) {
|
|
System.err.println("Usage: -testPeerDB [homeDbRoot]");
|
|
}
|
|
testPeerDB(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= new File(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>"
|
|
final int minlength = Integer.parseInt(args[2]);
|
|
final 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
|
|
final String targetaddress = args[1];
|
|
final String crfile = args[2];
|
|
transferCR(targetaddress, crfile);
|
|
} 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= new File(args[1]);
|
|
urldbcleanup(applicationRoot, "freeworld");
|
|
} 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= new File(args[3]);
|
|
final String outfile = "rwihashlist_" + System.currentTimeMillis();
|
|
RWIHashList(applicationRoot, outfile, domain, format);
|
|
} else {
|
|
if (args.length == 1) applicationRoot= new File(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(final Thread mainThread, final plasmaSwitchboard sb) {
|
|
super();
|
|
this.sb = sb;
|
|
this.mainThread = mainThread;
|
|
}
|
|
|
|
public void run() {
|
|
try {
|
|
if (!this.sb.isTerminated()) {
|
|
Log.logConfig("SHUTDOWN","Shutdown via shutdown hook.");
|
|
|
|
// sending the yacy main thread a shutdown signal
|
|
Log.logFine("SHUTDOWN","Signaling shutdown to the switchboard.");
|
|
this.sb.terminate();
|
|
|
|
// waiting for the yacy thread to finish execution
|
|
Log.logFine("SHUTDOWN","Waiting for main thread to finish.");
|
|
if (this.mainThread.isAlive() && !this.sb.isTerminated()) {
|
|
this.mainThread.join();
|
|
}
|
|
}
|
|
} catch (final Exception e) {
|
|
Log.logSevere("SHUTDOWN","Unexpected error. " + e.getClass().getName(),e);
|
|
}
|
|
}
|
|
}
|