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161 lines
7.3 KiB
161 lines
7.3 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@yacy.net
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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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// 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 java.io.File;
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import java.io.IOException;
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import java.util.Date;
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import java.util.Map;
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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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public class Threaddump_p {
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private static final serverObjects prop = new serverObjects();
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private static plasmaSwitchboard sb = null;
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public static serverObjects respond(final httpHeader header, final serverObjects post, final serverSwitch<?> env) {
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prop.clear();
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sb = (plasmaSwitchboard) env;
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final StringBuffer buffer = new StringBuffer(1000);
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if (post != null && post.containsKey("createThreaddump")) {
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final boolean plain = post.get("plain", "false").equals("true");
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final int sleep = post.getInt("sleep", 0); // a sleep before creation of a thread dump can be used for profiling
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if (sleep > 0) try {Thread.sleep(sleep);} catch (final InterruptedException e) {}
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prop.put("dump", "1");
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// Thread dump
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final Map<Thread,StackTraceElement[]> stackTraces = Thread.getAllStackTraces();
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final Date dt = new Date();
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final String versionstring = yacyVersion.combined2prettyVersion(sb.getConfig("version","0.1"));
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bufferappend(buffer, plain, "************* Start Thread Dump " + dt + " *******************");
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bufferappend(buffer, plain, "");
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bufferappend(buffer, plain, "YaCy Version: " + versionstring);
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bufferappend(buffer, plain, "Total Memory = " + (Runtime.getRuntime().totalMemory()));
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bufferappend(buffer, plain, "Used Memory = " + (Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory()));
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bufferappend(buffer, plain, "Free Memory = " + (Runtime.getRuntime().freeMemory()));
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bufferappend(buffer, plain, "");
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bufferappend(buffer, plain, "");
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appendStackTraces(sb.getRootPath(), buffer, stackTraces, plain, Thread.State.BLOCKED);
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appendStackTraces(sb.getRootPath(), buffer, stackTraces, plain, Thread.State.RUNNABLE);
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appendStackTraces(sb.getRootPath(), buffer, stackTraces, plain, Thread.State.TIMED_WAITING);
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appendStackTraces(sb.getRootPath(), buffer, stackTraces, plain, Thread.State.WAITING);
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appendStackTraces(sb.getRootPath(), buffer, stackTraces, plain, Thread.State.NEW);
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appendStackTraces(sb.getRootPath(), buffer, stackTraces, plain, Thread.State.TERMINATED);
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bufferappend(buffer, plain, "************* End Thread Dump " + dt + " *******************");
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prop.put("plain_content", buffer.toString());
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prop.put("plain", (plain) ? 1 : 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(final File rootPath, final StringBuffer buffer, final Map<Thread,StackTraceElement[]> stackTraces, final boolean plain, final Thread.State stateIn) {
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bufferappend(buffer, plain, "THREADS WITH STATES: " + stateIn.toString());
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bufferappend(buffer, plain, "");
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final File classPath = new File(rootPath, "source");
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for (final Thread thread: stackTraces.keySet()) {
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final StackTraceElement[] stackTraceElements = stackTraces.get(thread);
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StackTraceElement ste;
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String line;
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String tracename = "";
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File classFile;
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if ((stateIn.equals(thread.getState())) && (stackTraceElements.length > 0)) {
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if (plain) {
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classFile = getClassFile(classPath, stackTraceElements[stackTraceElements.length - 1].getClassName());
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tracename = classFile.getName();
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if (tracename.endsWith(".java")) tracename = tracename.substring(0, tracename.length() - 5);
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if (tracename.length() > 20) tracename = tracename.substring(0, 20);
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while (tracename.length() < 20) tracename = tracename + "_";
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tracename = "[" + tracename + "] ";
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}
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bufferappend(buffer, plain, tracename + "Thread= " + thread.getName() + " " + (thread.isDaemon()?"daemon":"") + " id=" + thread.getId() + " " + thread.getState().toString());
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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(getClassFile(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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bufferappend(buffer, plain, tracename + "at " + htmlTools.encodeUnicode2html(ste.toString(), true) + " [" + line.trim() + "]");
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} else {
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bufferappend(buffer, plain, tracename + "at " + htmlTools.encodeUnicode2html(ste.toString(), true));
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}
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}
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bufferappend(buffer, plain, "");
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}
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}
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bufferappend(buffer, plain, "");
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}
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private static File getClassFile(final File sourcePath, final String classname) {
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final String classPath = classname.replace('.', '/') + ".java";
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final File file = new File(sourcePath, classPath);
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return file;
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}
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private static String getLine(final File file, final int line) {
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// find class
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if (!file.exists()) return "";
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try {
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final 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 (final IOException e) {
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return "@EXCEPTION: " + e.getMessage();
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}
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}
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private static void bufferappend(final StringBuffer buffer, final boolean plain, final String a) {
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buffer.append(a);
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if (plain) {
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buffer.append("\n");
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} else {
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buffer.append("<br />");
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}
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}
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}
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