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679 lines
31 KiB
679 lines
31 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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package net.yacy;
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import java.io.BufferedReader;
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import java.io.BufferedWriter;
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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.io.RandomAccessFile;
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import java.nio.channels.FileChannel;
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import java.nio.channels.FileLock;
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import java.util.Properties;
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import java.util.concurrent.Semaphore;
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import net.yacy.cora.date.GenericFormatter;
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import net.yacy.cora.lod.JenaTripleStore;
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import net.yacy.cora.protocol.ClientIdentification;
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import net.yacy.cora.protocol.RequestHeader;
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import net.yacy.cora.protocol.http.HTTPClient;
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import net.yacy.cora.sorting.Array;
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import net.yacy.gui.YaCyApp;
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import net.yacy.gui.framework.Browser;
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import net.yacy.kelondro.logging.Log;
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import net.yacy.kelondro.util.FileUtils;
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import net.yacy.kelondro.util.Formatter;
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import net.yacy.kelondro.util.MemoryControl;
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import net.yacy.kelondro.util.OS;
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import net.yacy.peers.operation.yacyBuildProperties;
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import net.yacy.peers.operation.yacyRelease;
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import net.yacy.peers.operation.yacyVersion;
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import net.yacy.search.Switchboard;
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import net.yacy.search.SwitchboardConstants;
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import com.google.common.io.Files;
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import de.anomic.data.Translator;
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import de.anomic.http.server.HTTPDemon;
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import de.anomic.server.serverCore;
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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 otherwise 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 = yacyBuildProperties.getVersion();
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public static float version = 0.1f;
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public static final String vDATE = yacyBuildProperties.getBuildDate();
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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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public static final Semaphore shutdownSemaphore = new Semaphore(0);
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/**
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* a reference to the {@link Switchboard} created by the
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* {@link yacy#startup(String, long, long)} method.
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*/
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private static Switchboard sb = null;
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public static String homedir;
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public static File dataHome_g;
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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 dataHome, final File appHome, final long startupMemFree, final long startupMemTotal, final boolean gui) {
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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"); // TODO: is 1.6 now
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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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mkdirsIfNeseccary(dataHome);
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dataHome_g = dataHome;
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mkdirsIfNeseccary(appHome);
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File f = new File(dataHome, "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 " + dataHome.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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homedir = appHome.toString();
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// setting up logging
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f = new File(dataHome, "DATA/LOG/");
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mkdirsIfNeseccary(f);
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f = new File(dataHome, "DATA/LOG/yacy.logging");
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final File f0 = new File(appHome, "defaults/yacy.logging");
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if (!f.exists() || f0.lastModified() > f.lastModified()) try {
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Files.copy(f0, 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(dataHome, appHome, new File(dataHome, "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=" + dataHome);
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Log.logException(e);
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}
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Log.logConfig("STARTUP", "YaCy version: " + yacyBuildProperties.getVersion() + "/" + yacyBuildProperties.getSVNRevision());
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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: " + appHome);
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Log.logConfig("STARTUP", "Data root-path: " + dataHome);
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Log.logConfig("STARTUP", "Time zone: UTC" + GenericFormatter.UTCDiffString() + "; UTC+0000 is " + System.currentTimeMillis());
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Log.logConfig("STARTUP", "Maximum file system path length: " + OS.maxPathLength);
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f = new File(dataHome, "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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try { new FileOutputStream(f).write(Integer.toString(OS.getPID()).getBytes()); } catch (final Exception e) { } // write PID
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f.deleteOnExit();
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FileChannel channel = null;
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FileLock lock = null;
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try {
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channel = new RandomAccessFile(f,"rw").getChannel();
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lock = channel.tryLock(); // lock yacy.running
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} catch (final Exception e) { }
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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(dataHome, oldconf);
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if (oldconffile.exists()) {
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final File newconfFile = new File(dataHome, 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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try {
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sb = new Switchboard(dataHome, appHome, "defaults/yacy.init".replace("/", File.separator), newconf);
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} catch (final RuntimeException e) {
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Log.logSevere("STARTUP", "YaCy cannot start: " + e.getMessage(), e);
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System.exit(-1);
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}
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//sbSync.V(); // signal that the sb reference was set
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// switch the memory strategy
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MemoryControl.setStandardStrategy(sb.getConfigBool("memory.standardStrategy", true));
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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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// start gui if wanted
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if (gui) YaCyApp.start("localhost", (int) sb.getConfigLong("port", 8090));
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// hardcoded, forced, temporary value-migration
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sb.setConfig("htTemplatePath", "htroot/env/templates");
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int oldRev;
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try {
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oldRev = Integer.parseInt(sb.getConfig("svnRevision", "0"));
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} catch (final NumberFormatException e) {
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oldRev = 0;
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}
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final int newRev = Integer.parseInt(yacyBuildProperties.getSVNRevision());
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sb.setConfig("svnRevision", yacyBuildProperties.getSVNRevision());
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sb.setConfig("applicationRoot", appHome.toString());
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sb.setConfig("dataRoot", dataHome.toString());
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yacyVersion.latestRelease = version;
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// read environment
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final int timeout = Math.max(5000, Integer.parseInt(sb.getConfig("httpdTimeout", "5000")));
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// create some directories
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final File htRootPath = new File(appHome, sb.getConfig("htRootPath", "htroot"));
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final File htDocsPath = sb.getDataPath(SwitchboardConstants.HTDOCS_PATH, SwitchboardConstants.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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Files.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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yacyRelease.deleteOldDownloads(sb.releasePath, deleteOldDownloadsAfterDays );
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// set user-agent
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HTTPClient.setDefaultUserAgent(ClientIdentification.getUserAgent());
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// initial fill of the triplestore
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File triplestore = new File(sb.getConfig("triplestore", new File(dataHome, "DATA/TRIPLESTORE").getAbsolutePath()));
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mkdirIfNeseccary(triplestore);
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for (String s: triplestore.list()) {
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if ((s.endsWith(".rdf") || s.endsWith(".nt")) && !s.equals("local.rdf") && !s.endsWith("_triplestore.rdf") && !s.startsWith("private_store_")) {
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try {
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JenaTripleStore.load(new File(triplestore, s).getAbsolutePath());
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} catch (IOException e) {
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Log.logException(e);
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}
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}
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}
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if (sb.getConfigBool("triplestore.persistent", false)) {
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File local = new File(triplestore, "local.rdf");
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if (local.exists()) {
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try {
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JenaTripleStore.load(local.getAbsolutePath());
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} catch (IOException e) {
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Log.logException(e);
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}
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}
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}
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// start main threads
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final String port = sb.getConfig("port", "8090");
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try {
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final HTTPDemon protocolHandler = new HTTPDemon(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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// 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(SwitchboardConstants.BROWSER_POP_UP_TRIGGER, "true").equals("true");
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if (browserPopUpTrigger) try {
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final String browserPopUpPage = sb.getConfig(SwitchboardConstants.BROWSER_POP_UP_PAGE, "ConfigBasic.html");
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//boolean properPW = (sb.getConfig("adminAccount", "").isEmpty()) && (sb.getConfig(httpd.ADMIN_ACCOUNT_B64MD5, "").length() > 0);
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//if (!properPW) browserPopUpPage = "ConfigBasic.html";
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Browser.openBrowser((server.withSSL()?"https":"http") + "://localhost:" + serverCore.getPortNr(port) + "/" + browserPopUpPage);
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} catch (final Throwable e) {
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// cannot open browser. This may be normal in headless environments
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//Log.logException(e);
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}
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// enable browser popup, http server is ready now
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sb.tray.setReady();
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//regenerate Locales from Translationlist, if needed
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final File locale_source = sb.getAppPath("locale.source", "locales");
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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.getDataPath("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.getDataPath("locale.translated_html", "DATA/LOCALE/htroot"), lang);
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if (Translator.translateFilesRecursive(sourceDir, destDir, new File(locale_source, 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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// 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);
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}
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// shut down
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Array.terminate();
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Log.logConfig("SHUTDOWN", "caught termination signal");
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server.terminate(false);
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server.interrupt();
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server.close();
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// idle until the processes are down
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if (server.isAlive()) {
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server.interrupt();
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}
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Log.logConfig("SHUTDOWN", "server has terminated");
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sb.close();
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} catch (final Exception e) {
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Log.logSevere("STARTUP", "Unexpected Error: " + e.getClass().getName(),e);
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//System.exit(1);
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}
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if(lock != null) lock.release();
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if(channel != null) channel.close();
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} catch (final Exception ee) {
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Log.logSevere("STARTUP", "FATAL ERROR: " + ee.getMessage(),ee);
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} finally {
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}
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// save the triple store
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if (sb.getConfigBool("triplestore.persistent", false)) {
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JenaTripleStore.saveAll();
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}
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Log.logConfig("SHUTDOWN", "goodbye. (this is the last line)");
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Log.shutdown();
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shutdownSemaphore.release(1000);
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try {
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System.exit(0);
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} catch (final Exception e) {} // was once stopped by de.anomic.net.ftpc$sm.checkExit(ftpc.java:1790)
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}
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/**
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* @param f
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*/
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private static void delete(final File f) {
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if(!f.delete())
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Log.logSevere("STARTUP", "WARNING: the file " + f + " can not be deleted!");
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}
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/**
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* @see File#mkdir()
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* @param path
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*/
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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
|
|
*/
|
|
public 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 (final IOException e) {
|
|
Log.logException(e);
|
|
}
|
|
}
|
|
}
|
|
|
|
return config;
|
|
}
|
|
|
|
/**
|
|
* 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.
|
|
*/
|
|
public static void shutdown(final File homePath) {
|
|
// start up
|
|
System.out.println(copyright);
|
|
System.out.println(hline);
|
|
submitURL(homePath, "Steering.html?shutdown=", "Terminate YaCy");
|
|
}
|
|
|
|
public static void update(final File homePath) {
|
|
// start up
|
|
System.out.println(copyright);
|
|
System.out.println(hline);
|
|
submitURL(homePath, "ConfigUpdate_p.html?autoUpdate=", "Update YaCy to most recent version");
|
|
}
|
|
|
|
private static void submitURL(final File homePath, final String path, final String processdescription) {
|
|
final Properties config = configuration("COMMAND-STEERING", homePath);
|
|
|
|
// read port
|
|
final int port = serverCore.getPortNr(config.getProperty("port", "8090"));
|
|
|
|
// read password
|
|
String encodedPassword = (String) config.get(SwitchboardConstants.ADMIN_ACCOUNT_B64MD5);
|
|
if (encodedPassword == null) encodedPassword = ""; // not defined
|
|
|
|
// send 'wget' to web interface
|
|
final RequestHeader requestHeader = new RequestHeader();
|
|
requestHeader.put(RequestHeader.AUTHORIZATION, "realm=" + encodedPassword); // for http-authentify
|
|
// final Client con = new Client(10000, requestHeader);
|
|
final HTTPClient con = new HTTPClient();
|
|
con.setHeader(requestHeader.entrySet());
|
|
// ResponseContainer res = null;
|
|
try {
|
|
// res = con.GET("http://localhost:"+ port +"/" + path);
|
|
con.GETbytes("http://localhost:"+ port +"/" + path);
|
|
|
|
// read response
|
|
// if (res.getStatusLine().startsWith("2")) {
|
|
if (con.getStatusCode() > 199 && con.getStatusCode() < 300) {
|
|
Log.logConfig("COMMAND-STEERING", "YACY accepted steering command: " + processdescription);
|
|
// final ByteArrayOutputStream bos = new ByteArrayOutputStream(); //This is stream is not used???
|
|
// try {
|
|
// FileUtils.copyToStream(new BufferedInputStream(res.getDataAsStream()), new BufferedOutputStream(bos));
|
|
// } finally {
|
|
// res.closeStream();
|
|
// }
|
|
} else {
|
|
// Log.logSevere("COMMAND-STEERING", "error response from YACY socket: " + res.getStatusLine());
|
|
Log.logSevere("COMMAND-STEERING", "error response from YACY socket: " + con.getHttpResponse().getStatusLine());
|
|
System.exit(-1);
|
|
}
|
|
} catch (final IOException e) {
|
|
Log.logSevere("COMMAND-STEERING", "could not establish connection to YACY socket: " + e.getMessage());
|
|
System.exit(-1);
|
|
// } finally {
|
|
// // release connection
|
|
// if(res != null) {
|
|
// res.closeStream();
|
|
// }
|
|
}
|
|
|
|
try {
|
|
HTTPClient.closeConnectionManager();
|
|
} catch (final InterruptedException e) {
|
|
e.printStackTrace();
|
|
}
|
|
|
|
// finished
|
|
Log.logConfig("COMMAND-STEERING", "SUCCESSFULLY FINISHED COMMAND: " + processdescription);
|
|
}
|
|
|
|
/**
|
|
* 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[]) {
|
|
|
|
try {
|
|
|
|
// 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();
|
|
|
|
// maybe go into headless awt mode: we have three cases depending on OS and one exception:
|
|
// windows : better do not go into headless mode
|
|
// mac : go into headless mode because an application is shown in gui which may not be wanted
|
|
// linux : go into headless mode because this does not need any head operation
|
|
// exception : if the -gui option is used then do not go into headless mode since that uses a gui
|
|
boolean headless = true;
|
|
if (OS.isWindows) headless = false;
|
|
if (args.length >= 1 && args[0].toLowerCase().equals("-gui")) headless = false;
|
|
System.setProperty("java.awt.headless", headless ? "true" : "false");
|
|
|
|
String s = ""; for (final String a: args) s += a + " ";
|
|
yacyRelease.startParameter = s.trim();
|
|
|
|
File applicationRoot = new File(System.getProperty("user.dir").replace('\\', '/'));
|
|
File dataRoot = applicationRoot;
|
|
//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 > 1) dataRoot = new File(System.getProperty("user.home").replace('\\', '/'), args[1]);
|
|
startup(dataRoot, applicationRoot, startupMemFree, startupMemTotal, false);
|
|
} else if (args.length >= 1 && args[0].toLowerCase().equals("-gui")) {
|
|
// start-up of yacy with gui
|
|
if (args.length > 1) dataRoot = new File(System.getProperty("user.home").replace('\\', '/'), args[1]);
|
|
startup(dataRoot, applicationRoot, startupMemFree, startupMemTotal, true);
|
|
} 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("-update"))) {
|
|
// aut-update yacy
|
|
if (args.length == 2) applicationRoot= new File(args[1]);
|
|
update(applicationRoot);
|
|
} else if ((args.length >= 1) && (args[0].toLowerCase().equals("-version"))) {
|
|
// show yacy version
|
|
System.out.println(copyright);
|
|
} else {
|
|
if (args.length == 1) applicationRoot= new File(args[0]);
|
|
startup(dataRoot, applicationRoot, startupMemFree, startupMemTotal, false);
|
|
}
|
|
} finally {
|
|
Log.shutdown();
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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 final Switchboard sb;
|
|
private final Thread mainThread;
|
|
|
|
public shutdownHookThread(final Thread mainThread, final Switchboard sb) {
|
|
super();
|
|
this.sb = sb;
|
|
this.mainThread = mainThread;
|
|
}
|
|
|
|
@Override
|
|
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("shutdown hook");
|
|
|
|
// 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);
|
|
}
|
|
}
|
|
}
|