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469 lines
22 KiB
469 lines
22 KiB
// yacyVersion.java
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// ----------------
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// (C) 2007 by Michael Peter Christen; mc@anomic.de, Frankfurt a. M., Germany
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// first published 27.04.2007 on http://yacy.net
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//
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// This is a part of YaCy, a peer-to-peer based web search engine
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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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// LICENSE
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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 de.anomic.yacy;
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import java.io.File;
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import java.io.IOException;
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import java.net.MalformedURLException;
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import java.util.ArrayList;
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import java.util.Comparator;
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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.TreeSet;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import de.anomic.htmlFilter.htmlFilterContentScraper;
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import de.anomic.http.httpc;
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import de.anomic.plasma.plasmaSwitchboard;
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import de.anomic.server.serverCore;
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import de.anomic.server.serverSystem;
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import de.anomic.server.logging.serverLog;
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public final class yacyVersion implements Comparator, Comparable {
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// general release info
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public static final float YACY_SUPPORTS_PORT_FORWARDING = (float) 0.383;
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public static final float YACY_SUPPORTS_GZIP_POST_REQUESTS = (float) 0.40300772;
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public static final float YACY_ACCEPTS_RANKING_TRANSMISSION = (float) 0.414;
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public static final float YACY_HANDLES_COLLECTION_INDEX = (float) 0.486;
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public static final float YACY_POVIDES_REMOTECRAWL_LISTS = (float) 0.550;
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// information about latest release, retrieved by other peers release version
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public static double latestRelease = 0.1; // this value is overwritten when a peer with later version appears
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// information about latest release, retrieved from download pages
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// this static information should be overwritten by network-specific locations
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// for details see yacy.network.unit
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private static HashMap /* URL:TreeSet[]*/ latestReleases = new HashMap();
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public static ArrayList latestReleaseLocations /*string*/ = new ArrayList(); // will be initialized with value in yacy.network.unit
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// private static release info about this release; is generated only once and can be retrieved by thisVersion()
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private static yacyVersion thisVersion = null;
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// class variables
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public float releaseNr;
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public String dateStamp;
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public int svn;
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public boolean proRelease, mainRelease;
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public yacyURL url;
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public String name;
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public yacyVersion(yacyURL url) {
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this(url.getFileName());
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this.url = url;
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}
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public yacyVersion(String release) {
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// parse a release file name
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// the have the following form:
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// yacy_dev_v${releaseVersion}_${DSTAMP}_${releaseNr}.tar.gz
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// yacy_v${releaseVersion}_${DSTAMP}_${releaseNr}.tar.gz
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// i.e. yacy_v0.51_20070321_3501.tar.gz
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this.url = null;
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this.name = release;
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if ((release == null) || (!release.endsWith(".tar.gz"))) {
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throw new RuntimeException("release file name '" + release + "' is not valid, no tar.gz");
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}
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// cut off tail
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release = release.substring(0, release.length() - 7);
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if (release.startsWith("yacy_pro_v")) {
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proRelease = true;
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release = release.substring(10);
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} else if (release.startsWith("yacy_v")) {
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proRelease = false;
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release = release.substring(6);
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} else {
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throw new RuntimeException("release file name '" + release + "' is not valid, wrong prefix");
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}
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// now all release names have the form
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// ${releaseVersion}_${DSTAMP}_${releaseNr}
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String[] comp = release.split("_"); // should be 3 parts
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if (comp.length != 3) {
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throw new RuntimeException("release file name '" + release + "' is not valid, 3 information parts expected");
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}
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try {
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this.releaseNr = Float.parseFloat(comp[0]);
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} catch (NumberFormatException e) {
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throw new RuntimeException("release file name '" + release + "' is not valid, '" + comp[0] + "' should be a float number");
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}
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this.mainRelease = ((int) (this.releaseNr * (float) 1000)) % 10 == 0;
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//System.out.println("Release version " + this.releaseNr + " is " + ((this.mainRelease) ? "main" : "std"));
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this.dateStamp = comp[1];
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if (this.dateStamp.length() != 8) {
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throw new RuntimeException("release file name '" + release + "' is not valid, '" + comp[1] + "' should be a 8-digit date string");
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}
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try {
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this.svn = Integer.parseInt(comp[2]);
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} catch (NumberFormatException e) {
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throw new RuntimeException("release file name '" + release + "' is not valid, '" + comp[2] + "' should be a integer number");
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}
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// finished! we parsed a relase string
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}
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public int compareTo(Object obj) {
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// returns 0 if this object is equal to the obj, -1 if this is smaller than obj and 1 if this is greater than obj
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yacyVersion v = (yacyVersion) obj;
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return compare(this, v);
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}
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public int compare(Object arg0, Object arg1) {
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// compare-operator for two yacyVersion objects
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// must be implemented to make it possible to put this object into
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// a ordered structure, like TreeSet or TreeMap
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yacyVersion a0 = (yacyVersion) arg0, a1 = (yacyVersion) arg1;
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return (new Integer(a0.svn)).compareTo(new Integer(a1.svn));
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}
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public boolean equals(Object obj) {
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yacyVersion v = (yacyVersion) obj;
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return (this.svn == v.svn) && (this.url.toNormalform(true, true).equals(v.url.toNormalform(true, true)));
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}
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public int hashCode() {
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return this.url.toNormalform(true, true).hashCode();
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}
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public String toAnchor() {
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// generates an anchor string that can be used to embed in an html for direct download
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return "<a href=" + this.url.toNormalform(true, true) + ">YaCy " + ((this.proRelease) ? "pro release" : "standard release") + " v" + this.releaseNr + ", SVN " + this.svn + "</a>";
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}
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// static methods:
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public static final yacyVersion thisVersion() {
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// construct a virtual release name for this release
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if (thisVersion == null) {
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plasmaSwitchboard sb = plasmaSwitchboard.getSwitchboard();
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boolean pro = new File(sb.getRootPath(), "libx").exists();
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thisVersion = new yacyVersion(
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"yacy" + ((pro) ? "_pro" : "") +
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"_v" + sb.getConfig("version", "0.1") + "_" +
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sb.getConfig("vdate", "19700101") + "_" +
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sb.getConfig("svnRevision", "0") + ".tar.gz");
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}
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return thisVersion;
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}
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public static final yacyVersion rulebasedUpdateInfo(boolean manual) {
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// according to update properties, decide if we should retrieve update information
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// if true, the release that can be obtained is returned.
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// if false, null is returned
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plasmaSwitchboard sb = plasmaSwitchboard.getSwitchboard();
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// check if update process allowes update retrieve
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String process = sb.getConfig("update.process", "manual");
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if ((!manual) && (!process.equals("auto"))) {
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yacyCore.log.logInfo("rulebasedUpdateInfo: not an automatic update selected");
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return null; // no, its a manual or guided process
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}
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// check if the last retrieve time is a minimum time ago
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long cycle = Math.max(1, sb.getConfigLong("update.cycle", 168)) * 60 * 60 * 1000; // update.cycle is hours
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long timeLookup = sb.getConfigLong("update.time.lookup", System.currentTimeMillis());
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if ((!manual) && (timeLookup + cycle > System.currentTimeMillis())) {
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yacyCore.log.logInfo("rulebasedUpdateInfo: too early for a lookup for a new release (timeLookup = " + timeLookup + ", cycle = " + cycle + ", now = " + System.currentTimeMillis() + ")");
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return null; // no we have recently made a lookup
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}
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// check if we know that there is a release that is more recent than that which we are using
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TreeSet[] releasess = yacyVersion.allReleases(true); // {0=promain, 1=prodev, 2=stdmain, 3=stddev}
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boolean pro = new File(sb.getRootPath(), "libx").exists();
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yacyVersion latestmain = (releasess[(pro) ? 0 : 2].size() == 0) ? null : (yacyVersion) releasess[(pro) ? 0 : 2].last();
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yacyVersion latestdev = (releasess[(pro) ? 1 : 3].size() == 0) ? null : (yacyVersion) releasess[(pro) ? 1 : 3].last();
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String concept = sb.getConfig("update.concept", "any");
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String blacklist = sb.getConfig("update.blacklist", ".\\...[123]");
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if ((manual) || (concept.equals("any"))) {
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// return a dev-release or a main-release
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if ((latestdev != null) &&
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((latestmain == null) || (latestdev.compareTo(latestmain) > 0)) &&
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(!(Float.toString(latestdev.releaseNr).matches(blacklist)))) {
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// consider a dev-release
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if (latestdev.compareTo(thisVersion()) > 0) {
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return latestdev;
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} else {
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yacyCore.log.logInfo(
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"rulebasedUpdateInfo: latest dev " + latestdev.name +
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" is not more recent than installed release " + thisVersion().name);
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return null;
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}
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}
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if (latestmain != null) {
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// consider a main release
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if ((Float.toString(latestmain.releaseNr).matches(blacklist))) {
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yacyCore.log.logInfo(
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"rulebasedUpdateInfo: latest dev " + latestdev.name +
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" matches with blacklist '" + blacklist + "'");
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return null;
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}
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if (latestmain.compareTo(thisVersion()) > 0) return latestmain; else {
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yacyCore.log.logInfo(
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"rulebasedUpdateInfo: latest main " + latestmain.name +
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" is not more recent than installed release (1) " + thisVersion().name);
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return null;
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}
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}
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}
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if ((concept.equals("main")) && (latestmain != null)) {
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// return a main-release
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if ((Float.toString(latestmain.releaseNr).matches(blacklist))) {
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yacyCore.log.logInfo(
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"rulebasedUpdateInfo: latest main " + latestmain.name +
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" matches with blacklist'" + blacklist + "'");
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return null;
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}
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if (latestmain.compareTo(thisVersion()) > 0) return latestmain; else {
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yacyCore.log.logInfo(
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"rulebasedUpdateInfo: latest main " + latestmain.name +
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" is not more recent than installed release (2) " + thisVersion().name);
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return null;
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}
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}
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yacyCore.log.logInfo("rulebasedUpdateInfo: failed to find more recent release");
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return null;
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}
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public static TreeSet[] allReleases(boolean force) {
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// join the release infos
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// {promainreleases, prodevreleases, stdmainreleases, stddevreleases}
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Object[] a = new Object[latestReleaseLocations.size()];
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for (int j = 0; j < latestReleaseLocations.size(); j++) {
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a[j] = getReleases((yacyURL) latestReleaseLocations.get(j), force);
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}
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TreeSet[] r = new TreeSet[4];
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TreeSet s;
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for (int i = 0; i < 4; i++) {
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s = new TreeSet();
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for (int j = 0; j < a.length; j++) {
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if ((a[j] != null) && (((TreeSet[]) a[j])[i] != null)) s.addAll(((TreeSet[]) a[j])[i]);
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}
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r[i] = s;
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}
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return r;
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}
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private static TreeSet[] getReleases(yacyURL location, boolean force) {
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// get release info from a internet resource
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// {promainreleases, prodevreleases, stdmainreleases, stddevreleases}
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TreeSet[] latestRelease = (TreeSet[]) latestReleases.get(location);
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if (force ||
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(latestRelease == null) /*||
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((latestRelease[0].size() == 0) &&
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(latestRelease[1].size() == 0) &&
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(latestRelease[2].size() == 0) &&
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(latestRelease[3].size() == 0) )*/) {
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latestRelease = allReleaseFrom(location);
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latestReleases.put(location, latestRelease);
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}
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return latestRelease;
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}
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private static TreeSet[] allReleaseFrom(yacyURL url) {
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// retrieves the latest info about releases
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// this is done by contacting a release location,
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// parsing the content and filtering+parsing links
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// returns the version info if successful, null otherwise
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htmlFilterContentScraper scraper;
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try {
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scraper = htmlFilterContentScraper.parseResource(url);
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} catch (IOException e) {
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return null;
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}
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// analyse links in scraper resource, and find link to latest release in it
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Map anchors = scraper.getAnchors(); // a url (String) / name (String) relation
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Iterator i = anchors.keySet().iterator();
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TreeSet stddevreleases = new TreeSet();
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TreeSet prodevreleases = new TreeSet();
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TreeSet stdmainreleases = new TreeSet();
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TreeSet promainreleases = new TreeSet();
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yacyVersion release;
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while (i.hasNext()) {
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try {
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url = new yacyURL((String) i.next(), null);
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} catch (MalformedURLException e1) {
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continue; // just ignore invalid urls
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}
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try {
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release = new yacyVersion(url);
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//System.out.println("r " + release.toAnchor());
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if ( release.proRelease && release.mainRelease) promainreleases.add(release);
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if ( release.proRelease && !release.mainRelease) prodevreleases.add(release);
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if (!release.proRelease && release.mainRelease) stdmainreleases.add(release);
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if (!release.proRelease && !release.mainRelease) stddevreleases.add(release);
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} catch (RuntimeException e) {
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// the release string was not well-formed.
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// that might have been another link
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// just dont care
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continue;
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}
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}
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plasmaSwitchboard.getSwitchboard().setConfig("update.time.lookup", System.currentTimeMillis());
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return new TreeSet[] {promainreleases, prodevreleases, stdmainreleases, stddevreleases} ;
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}
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public static void downloadRelease(yacyVersion release) throws IOException {
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File storagePath = plasmaSwitchboard.getSwitchboard().releasePath;
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// load file
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File download = new File(storagePath, release.url.getFileName());
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httpc.wget(
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release.url,
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release.url.getHost(),
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300000,
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null,
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null,
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plasmaSwitchboard.getSwitchboard().remoteProxyConfig,
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null,
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download
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);
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if ((!download.exists()) || (download.length() == 0)) throw new IOException("wget of url " + release.url + " failed");
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plasmaSwitchboard.getSwitchboard().setConfig("update.time.download", System.currentTimeMillis());
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}
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public static void restart() {
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plasmaSwitchboard sb = plasmaSwitchboard.getSwitchboard();
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if (System.getProperty("os.name").toLowerCase().startsWith("win")) {
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// create yacy.restart file which is used in Windows startscript
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final File yacyRestart = new File(sb.getRootPath(), "DATA/yacy.restart");
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if (!yacyRestart.exists()) {
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try {
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yacyRestart.createNewFile();
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plasmaSwitchboard.getSwitchboard().terminate(5000);
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} catch (IOException e) {
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serverLog.logSevere("SHUTDOWN", "restart failed", e);
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}
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}
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}
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if (serverSystem.canExecUnix) {
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// start a re-start daemon
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try {
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serverLog.logInfo("RESTART", "INITIATED");
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String script =
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"#!/bin/sh" + serverCore.lfstring +
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"cd " + sb.getRootPath() + "/DATA/RELEASE/" + serverCore.lfstring +
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"while [ -f ../yacy.running ]; do" + serverCore.lfstring +
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"sleep 1" + serverCore.lfstring +
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"done" + serverCore.lfstring +
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"cd ../../" + serverCore.lfstring +
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"nohup ./startYACY.sh > /dev/null" + serverCore.lfstring;
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File scriptFile = new File(sb.getRootPath(), "DATA/RELEASE/restart.sh");
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serverSystem.deployScript(scriptFile, script);
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serverLog.logInfo("RESTART", "wrote restart-script to " + scriptFile.getAbsolutePath());
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serverSystem.execAsynchronous(scriptFile);
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serverLog.logInfo("RESTART", "script is running");
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sb.terminate(5000);
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} catch (IOException e) {
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serverLog.logSevere("RESTART", "restart failed", e);
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}
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}
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}
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public static void deployRelease(String release) {
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//byte[] script = ("cd " + plasmaSwitchboard.getSwitchboard().getRootPath() + ";while [ -e ../yacy.running ]; do sleep 1;done;tar xfz " + release + ";cp -Rf yacy/* ../../;rm -Rf yacy;cd ../../;startYACY.sh").getBytes();
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try {
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plasmaSwitchboard sb = plasmaSwitchboard.getSwitchboard();
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serverLog.logInfo("UPDATE", "INITIATED");
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String script =
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"#!/bin/sh" + serverCore.lfstring +
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"cd " + sb.getRootPath() + "/DATA/RELEASE/" + serverCore.lfstring +
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"gunzip -c " + release + " | tar xf -" + serverCore.lfstring +
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"while [ -f ../yacy.running ]; do" + serverCore.lfstring +
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"sleep 1" + serverCore.lfstring +
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"done" + serverCore.lfstring +
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"cp -Rf yacy/* ../../" + serverCore.lfstring +
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"rm -Rf yacy" + serverCore.lfstring +
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"cd ../../" + serverCore.lfstring +
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"nohup ./startYACY.sh > /dev/null" + serverCore.lfstring;
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File scriptFile = new File(sb.getRootPath(), "DATA/RELEASE/update.sh");
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serverSystem.deployScript(scriptFile, script);
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serverLog.logInfo("UPDATE", "wrote update-script to " + scriptFile.getAbsolutePath());
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serverSystem.execAsynchronous(scriptFile);
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serverLog.logInfo("UPDATE", "script is running");
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sb.setConfig("update.time.deploy", System.currentTimeMillis());
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sb.terminate(5000);
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} catch (IOException e) {
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serverLog.logSevere("UPDATE", "update failed", e);
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}
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}
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/**
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* Converts combined version-string to a pretty string, e.g. "0.435/01818" or "dev/01818" (development version) or "dev/00000" (in case of wrong input)
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*
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* @param ver Combined version string matching regular expression: "\A(\d+\.\d{3})(\d{4}|\d{5})\z" <br>
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* (i.e.: start of input, 1 or more digits in front of decimal point, decimal point followed by 3 digits as major version, 4 or 5 digits for SVN-Version, end of input)
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* @return If the major version is < 0.11 - major version is separated from SVN-version by '/', e.g. "0.435/01818" <br>
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* If the major version is >= 0.11 - major version is replaced by "dev" and separated SVN-version by '/', e.g."dev/01818" <br>
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* "dev/00000" - If the input does not matcht the regular expression above
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*/
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public static String combined2prettyVersion(String ver) {
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return combined2prettyVersion(ver, "");
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}
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public static String combined2prettyVersion(String ver, String computerName) {
|
|
final Matcher matcher = Pattern.compile("\\A(\\d+\\.\\d{1,3})(\\d{0,5})\\z").matcher(ver);
|
|
|
|
if (!matcher.find()) {
|
|
serverLog.logWarning("STARTUP", "Peer '"+computerName+"': wrong format of version-string: '" + ver + "'. Using default string 'dev/00000' instead");
|
|
return "dev/00000";
|
|
}
|
|
|
|
String mainversion = (Double.parseDouble(matcher.group(1)) < 0.11 ? "dev" : matcher.group(1));
|
|
String revision = matcher.group(2);
|
|
for(int i=revision.length();i<5;++i) revision += "0";
|
|
return mainversion+"/"+revision;
|
|
}
|
|
|
|
/**
|
|
* Combines the version of YaCy with the versionnumber from SVN to a
|
|
* combined version
|
|
*
|
|
* @param version Current given version.
|
|
* @param svn Current version given from SVN.
|
|
* @return String with the combined version.
|
|
*/
|
|
public static double versvn2combinedVersion(double v, int svn) {
|
|
return (Math.rint((v*100000000.0) + ((double)svn))/100000000);
|
|
}
|
|
|
|
public static void main(String[] args) {
|
|
float base = (float) 0.53;
|
|
String blacklist = "....[123]";
|
|
String test;
|
|
for (int i = 0; i < 20; i++) {
|
|
test = Float.toString(base + (((float) i) / 1000));
|
|
System.out.println(test + " is " + ((test.matches(blacklist)) ? "blacklisted" : " not blacklisted"));
|
|
}
|
|
}
|
|
|
|
}
|