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151 lines
6.9 KiB
151 lines
6.9 KiB
// Threaddump_p.java
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// -----------------------
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// part of YACY
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// (C) by Michael Peter Christen; mc@anomic.de
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// first published on http://www.anomic.de
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// Frankfurt, Germany, 2004
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//
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// This File is contributed by Alexander Fieger
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//
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// $LastChangedDate: 2008-01-22 12:51:43 +0100 (Di, 22 Jan 2008) $
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// $LastChangedRevision: 4374 $
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// $LastChangedBy: low012 $
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//
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// Using this software in any meaning (reading, learning, copying, compiling,
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// running) means that you agree that the Author(s) is (are) not responsible
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// for cost, loss of data or any harm that may be caused directly or indirectly
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// by usage of this softare or this documentation. The usage of this software
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// is on your own risk. The installation and usage (starting/running) of this
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// software may allow other people or application to access your computer and
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// any attached devices and is highly dependent on the configuration of the
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// software which must be done by the user of the software; the author(s) is
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// (are) also not responsible for proper configuration and usage of the
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// software, even if provoked by documentation provided together with
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// the software.
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//
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// Any changes to this file according to the GPL as documented in the file
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// gpl.txt aside this file in the shipment you received can be done to the
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// lines that follows this copyright notice here, but changes must not be
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// done inside the copyright notive above. A re-distribution must contain
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// the intact and unchanged copyright notice.
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// Contributions and changes to the program code must be marked as such.
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// You must compile this file with
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// javac -classpath .:../Classes Blacklist_p.java
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// if the shell's current path is HTROOT
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import de.anomic.data.htmlTools;
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import de.anomic.http.httpHeader;
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import de.anomic.plasma.plasmaSwitchboard;
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import de.anomic.server.serverFileUtils;
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import de.anomic.server.serverObjects;
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import de.anomic.server.serverSwitch;
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import de.anomic.tools.nxTools;
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import de.anomic.yacy.yacyVersion;
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import java.util.Map;
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import java.lang.StringBuffer;
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import java.util.Date;
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import java.io.File;
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import java.io.IOException;
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public class Threaddump_p {
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private static serverObjects prop;
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private static plasmaSwitchboard sb;
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public static serverObjects respond(httpHeader header, serverObjects post, serverSwitch<?> env) {
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prop = new serverObjects();
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sb = (plasmaSwitchboard) env;
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StringBuffer buffer = new StringBuffer(1000);
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if (post != null && post.containsKey("createThreaddump")) {
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prop.put("dump", "1");
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// Thread dump
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Map<Thread,StackTraceElement[]> stackTraces = Thread.getAllStackTraces();
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Date dt = new Date();
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String versionstring = yacyVersion.combined2prettyVersion(sb.getConfig("version","0.1"));
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buffer.append("************* Start Thread Dump " + dt + " *******************").append("<br />");
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buffer.append("<br /> YaCy Version: " + versionstring + "<br />");
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buffer.append("Total Memory = " + (Runtime.getRuntime().totalMemory())).append("<br />");
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buffer.append("Used Memory = " + (Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory())).append("<br />");
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buffer.append("Free Memory = " + (Runtime.getRuntime().freeMemory())).append("<br />");
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buffer.append(" --- --- --- --- <br /><br />");
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appendStackTraces(sb.getRootPath(), buffer, stackTraces, Thread.State.BLOCKED);
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appendStackTraces(sb.getRootPath(), buffer, stackTraces, Thread.State.RUNNABLE);
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appendStackTraces(sb.getRootPath(), buffer, stackTraces, Thread.State.TIMED_WAITING);
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appendStackTraces(sb.getRootPath(), buffer, stackTraces, Thread.State.WAITING);
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appendStackTraces(sb.getRootPath(), buffer, stackTraces, Thread.State.NEW);
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appendStackTraces(sb.getRootPath(), buffer, stackTraces, Thread.State.TERMINATED);
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buffer.append("************* End Thread Dump " + dt + " *******************").append("<br />");
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prop.put("dump_content", buffer.toString());
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} else {
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prop.put("dump", "0");
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}
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return prop; // return from serverObjects respond()
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}
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private static void appendStackTraces(File rootPath, StringBuffer buffer, Map<Thread,StackTraceElement[]> stackTraces, Thread.State stateIn) {
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buffer.append("THREADS WITH STATES: " + stateIn.toString()).append("<br />").append("<br />");
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File classPath = new File(rootPath, "source");
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for (Thread thread: stackTraces.keySet()) {
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StackTraceElement[] stackTraceElements = stackTraces.get(thread);
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StackTraceElement ste;
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String line;
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if (stateIn.equals(thread.getState())) {
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buffer.append("Thread= " + thread.getName() + " " + (thread.isDaemon()?"daemon":"") + " id=" + thread.getId() + " " + thread.getState().toString()).append("<br />");
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for (int i = 0; i < stackTraceElements.length; i++) {
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ste = stackTraceElements[i];
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if (i == 0) {
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line = getLine(classPath, ste.getClassName(), ste.getLineNumber());
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} else {
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line = null;
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}
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if ((line != null) && (line.length() > 0)) {
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buffer.append("at " + htmlTools.encodeUnicode2html(ste.toString(), true)).append(" [").append(line).append("]<br />");
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} else {
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buffer.append("at " + htmlTools.encodeUnicode2html(ste.toString(), true)).append("<br />");
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}
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}
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buffer.append("<br />");
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}
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}
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buffer.append("<br />");
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}
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private static String getLine(File sourcePath, String classname, int line) {
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// find class
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String classPath = classname.replace('.', '/') + ".java";
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File file = new File(sourcePath, classPath);
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if (!file.exists()) return "";
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try {
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String lineString = nxTools.line(serverFileUtils.read(file), line);
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if (lineString == null) return "@ERROR";
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return lineString;
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} catch (IOException e) {
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return "@EXCEPTION: " + e.getMessage();
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}
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}
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}
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