prof_jsp.java
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/*
* Decompiled with CFR 0_118.
*
* Could not load the following classes:
* com.day.crx.i18n.Dictionary
* javax.jcr.Session
* javax.servlet.Servlet
* javax.servlet.ServletConfig
* javax.servlet.ServletContext
* javax.servlet.ServletException
* javax.servlet.ServletRequest
* javax.servlet.ServletResponse
* javax.servlet.http.HttpServletRequest
* javax.servlet.http.HttpServletResponse
* javax.servlet.jsp.JspFactory
* javax.servlet.jsp.JspWriter
* javax.servlet.jsp.PageContext
* javax.servlet.jsp.SkipPageException
* org.apache.commons.lang3.StringEscapeUtils
* org.apache.jasper.runtime.HttpJspBase
* org.apache.jasper.runtime.JspSourceDependent
* org.slf4j.Logger
* org.slf4j.LoggerFactory
*/
package com.day.crx.explorer.impl.jsp.diagnostic;
import com.day.crx.explorer.impl.j2ee.CRXContext;
import com.day.crx.i18n.Dictionary;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeSet;
import javax.jcr.Session;
import javax.servlet.Servlet;
import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.jsp.JspFactory;
import javax.servlet.jsp.JspWriter;
import javax.servlet.jsp.PageContext;
import javax.servlet.jsp.SkipPageException;
import org.apache.commons.lang3.StringEscapeUtils;
import org.apache.jasper.runtime.HttpJspBase;
import org.apache.jasper.runtime.JspSourceDependent;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public final class prof_jsp
extends HttpJspBase
implements JspSourceDependent {
private static final Logger log = LoggerFactory.getLogger((String)"jsp.prof");
private static volatile Profiler prof;
private static List _jspx_dependants;
public Object getDependants() {
return _jspx_dependants;
}
/*
* Unable to fully structure code
* Enabled aggressive block sorting
* Enabled unnecessary exception pruning
* Enabled aggressive exception aggregation
* Lifted jumps to return sites
*/
public void _jspService(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
block16 : {
_jspxFactory = null;
pageContext = null;
out = null;
_jspx_out = null;
_jspx_page_context = null;
_jspxFactory = JspFactory.getDefaultFactory();
response.setContentType("text/html");
_jspx_page_context = pageContext = _jspxFactory.getPageContext((Servlet)this, (ServletRequest)request, (ServletResponse)response, null, false, 8192, true);
pageContext.getServletContext();
pageContext.getServletConfig();
_jspx_out = out = pageContext.getOut();
response.setContentType("text/html; charset=utf-8");
ctx = CRXContext.getInstance(pageContext, request);
dict = ctx.getCurrentDictionary();
repSession = ctx.getSession();
if (repSession != null) break block16;
if (_jspxFactory == null) return;
_jspxFactory.releasePageContext(_jspx_page_context);
return;
}
try {
action = request.getParameter("action");
out.write("<html>\n<head>\n <style>\n body {\n font-family:Verdana;\n font-size:12px;\n line-height:14px;\n }\n </style>\n</head>\n<body>\n<h2>Profiling Tool</h2>\n<div style=\"max-width: 470px\">\n<p>\nCollects statistics about thread dumps similar to <code>java -agentlib:hprof</code>.\nStack traces from runnable threads are then listed sorted by count.\n</p>\n");
if (!"start".equals(action) || !"POST".equals(request.getMethod())) ** GOTO lbl45
prof_jsp.prof = new Profiler();
prof_jsp.prof.interval = Integer.parseInt(request.getParameter("interval"));
prof_jsp.prof.depth = Integer.parseInt(request.getParameter("depth"));
ignoreList = request.getParameter("ignoreList");
ignoreThreadList = request.getParameter("ignoreThreadList");
ignorePackageList = request.getParameter("ignorePackageList");
prof_jsp.prof.ignoreThreads = Profiler.arraySplit(ignoreList, ',', true);
prof_jsp.prof.ignoreThreads = Profiler.arraySplit(ignoreThreadList, ',', true);
prof_jsp.prof.ignorePackages = Profiler.arraySplit(ignorePackageList, ',', true);
out.write("<form method=\"post\">\n <input type=\"hidden\" name=\"action\" value=\"stop\">\n <input type=\"submit\" value=\"Stop\">\n </form>\n Sample interval (milliseconds): ");
out.print(prof_jsp.prof.interval);
out.write("<br>\n Stack trace depth: ");
out.print(prof_jsp.prof.depth);
out.write("<br>\n Collecting...<br>\n ");
prof_jsp.prof.startCollecting();
out.flush();
oldTick = prof_jsp.prof.total;
** GOTO lbl84
lbl45: // 1 sources:
if (action == null || "stop".equals(action)) {
out.write("<form method=\"post\">\n \n <input type=\"button\" class=\"submit\" style=\"width: 80px\"\n onclick=\"javascript: var os = document.getElementById('options').style; os.display=(os.display=='none' ? '' : 'none');\"\n value=\"");
out.print(dict.msg("Options >"));
out.write("\"><br>\n \n <div id=\"options\" style=\"display: none\">\n <p>\n Sample interval (ms): <input type=\"text\" name=\"interval\" value=\"5\"><br>\n To increase accuracy, use 1000 or higher when running for many hours.\n </p><p>\n Stack trace depth: <input type=\"text\" name=\"depth\" value=\"160\"><br>\n The number of stack trace lines to analyze.\n </p><p>\n Ignore threads: \n<textarea cols=50 rows=4 name=\"ignoreThreadList\">\njava.lang.Object.wait,\njava.lang.Thread.dumpThreads,\njava.lang.Thread.getThreads,\njava.lang.Thread.sleep,\njava.lang.UNIXProcess.waitForProcessExit,\njava.net.PlainSocketImpl.accept,\njava.net.PlainSocketImpl.socketAccept,\njava.net.SocketInputStream.socketRead,\njava.net.SocketOutputStream.socketWrite,\nsun.awt.windows.WToolkit.eventLoop,\nsun.misc.Unsafe.park,\nEDU.oswego,\njava.lang.Object.$$YJP$$wait, \njava.lang.Thread.$$YJP$$sleep,\nsun.misc.Unsafe.$$YJP$$park, \njava.net.PlainSocketImpl.$$YJP$$socketAccept, \njava.net.SocketInputStream.$$YJP$$socketRead,\n");
out.write("java.net.PlainSocketImpl.$$YJP$$accept,\njava.lang.Thread.$$YJP$$dumpThreads,\n</textarea><br>\n Threads where the first line start with one of these prefixes are ignored.\n </p><p>\n Ignore lines:\n<textarea cols=50 rows=2 name=\"ignoreList\">\norg.apache.commons,\norg.apache.tika.parser.txt.Charset,\nEDU.oswego,\n</textarea><br>\n Lines that start one of these prefixes are not included in a stack trace.\n </p><p>\n Ignore packages:\n<textarea cols=50 rows=2 name=\"ignorePackageList\">\njava,\nsun,\ncom.sun.,\nEDU,\norg.apache.jsp.,\norg.apache.commons.,\norg.eclipse.jdt,\norg.json.,\norg.kxml2.,\ncom.apple.,\n</textarea><br>\n These packages are ignored in the package summary.\n </p>\n </div>\n <br>\n <input type=\"hidden\" name=\"action\" value=\"start\">\n <input type=\"submit\" style=\"width: 100px\" value=\"Start Collecting\">\n </form>\n ");
old = prof_jsp.prof;
prof_jsp.prof = null;
if (old != null) {
out.println("<pre>");
out.println(StringEscapeUtils.escapeHtml4((String)old.getTop(20)));
out.println("</pre>");
out.flush();
}
}
lbl57: // 6 sources:
do {
out.write("</div>\n");
return;
break;
} while (true);
}
catch (Throwable t) {
try {
if (t instanceof SkipPageException != false) return;
out = _jspx_out;
if (out != null && out.getBufferSize() != 0) {
out.clearBuffer();
}
if (_jspx_page_context == null) return;
_jspx_page_context.handlePageException(t);
return;
}
catch (Throwable throwable) {
throw throwable;
}
finally {
if (_jspxFactory != null) {
_jspxFactory.releasePageContext(_jspx_page_context);
}
}
}
lbl-1000: // 1 sources:
{
try {
newTick = prof_jsp.prof.total;
if (newTick != oldTick) {
out.println('.');
out.flush();
oldTick = newTick;
}
Thread.sleep(1000);
continue;
}
catch (Exception v0) {}
lbl84: // 3 sources:
** while (prof_jsp.prof != null)
}
lbl85: // 1 sources:
** while (true)
}
/*
* This class specifies class file version 49.0 but uses Java 6 signatures. Assumed Java 6.
*/
static class Profiler
implements Runnable {
private static final String LINE_SEPARATOR = System.getProperty("line.separator", "\n");
private static final int MAX_ELEMENTS = 1000;
public int interval = 50;
public int depth = 16;
public boolean paused;
String[] ignoreLines = Profiler.arraySplit("", ',', true);
String[] ignorePackages = Profiler.arraySplit("java.", ',', true);
String[] ignoreThreads = Profiler.arraySplit("java.lang.Thread.dumpThreads,java.lang.Thread.getThreads,java.net.PlainSocketImpl.socketAccept,java.net.SocketInputStream.socketRead0,java.net.SocketOutputStream.socketWrite0,java.lang.UNIXProcess.waitForProcessExit,java.lang.Object.wait,java.lang.Thread.sleep,sun.awt.windows.WToolkit.eventLoop,sun.misc.Unsafe.park,dalvik.system.VMStack.getThreadStackTrace,dalvik.system.NativeStart.run", ',', true);
volatile boolean stop;
private HashMap<String, Integer> counts = new HashMap();
private HashMap<String, Integer> packages = new HashMap();
private int minCount = 1;
int total;
private Thread thread;
private long time;
Profiler() {
}
public void startCollecting() {
this.thread = new Thread(this);
this.thread.setName("Profiler");
this.thread.setDaemon(true);
this.thread.start();
}
public void stopCollecting() {
this.stop = true;
if (this.thread != null) {
try {
this.thread.join();
}
catch (InterruptedException v0) {}
this.thread = null;
}
}
@Override
public void run() {
this.time = System.currentTimeMillis();
while (!this.stop) {
try {
this.tick();
continue;
}
catch (Throwable v0) {
break;
}
}
this.time = System.currentTimeMillis() - this.time;
}
private void tick() {
if (this.interval > 0) {
if (this.paused) {
return;
}
try {
Thread.sleep(this.interval);
}
catch (Exception v0) {}
}
Map<Thread, StackTraceElement[]> map = Thread.getAllStackTraces();
for (Map.Entry<Thread, StackTraceElement[]> entry : map.entrySet()) {
StackTraceElement[] dump;
Thread t = entry.getKey();
if (t.getState() != Thread.State.RUNNABLE || (dump = entry.getValue()) == null || dump.length == 0 || Profiler.startsWithAny(dump[0].toString(), this.ignoreThreads)) continue;
StringBuilder buff = new StringBuilder();
String last = null;
boolean packageCounts = false;
int j = 0;
int i = 0;
while (i < dump.length && j < this.depth) {
String el = dump[i].toString();
if (!el.equals(last) && !Profiler.startsWithAny(el, this.ignoreLines)) {
last = el;
buff.append("at ").append(el);
if (!packageCounts && !Profiler.startsWithAny(el, this.ignorePackages)) {
packageCounts = true;
int index = 0;
while (index < el.length()) {
char c = el.charAt(index);
if (Character.isUpperCase(c) || c == '(') break;
++index;
}
if (index > 0 && el.charAt(index - 1) == '.') {
--index;
}
String packageName = el.substring(0, index);
Profiler.increment(this.packages, packageName, 0);
while ((index = packageName.lastIndexOf(46)) >= 0) {
packageName = packageName.substring(0, index);
Profiler.increment(this.packages, String.valueOf(packageName) + ".*", 0);
}
buff.append('+');
}
buff.append(LINE_SEPARATOR);
++j;
}
++i;
}
if (buff.length() <= 0) continue;
this.minCount = Profiler.increment(this.counts, buff.toString().trim(), this.minCount);
++this.total;
}
}
private static boolean startsWithAny(String s, String[] prefixes) {
String[] arrstring = prefixes;
int n = 0;
int n2 = arrstring.length;
while (n < n2) {
String p = arrstring[n];
if (p.length() > 0 && s.startsWith(p)) {
return true;
}
++n;
}
return false;
}
private static int increment(HashMap<String, Integer> map, String trace, int minCount) {
Integer oldCount = map.get(trace);
if (oldCount == null) {
map.put(trace, 1);
} else {
map.put(trace, oldCount + 1);
}
while (map.size() > 1000) {
Iterator<Map.Entry<String, Integer>> ei = map.entrySet().iterator();
while (ei.hasNext()) {
Map.Entry<String, Integer> e = ei.next();
if (e.getValue() > minCount) continue;
ei.remove();
}
if (map.size() <= 1000) continue;
++minCount;
}
return minCount;
}
public String getTop(int count) {
this.stopCollecting();
StringBuilder buff = new StringBuilder();
buff.append("Profiler Results").append(LINE_SEPARATOR).append(LINE_SEPARATOR).append("Packages:").append(LINE_SEPARATOR);
for (String k : new TreeSet(this.packages.keySet())) {
int percent = 100 * this.packages.get(k) / Math.max(this.total, 1);
if (percent < 5) continue;
if (percent < 10) {
buff.append('0');
}
buff.append(percent).append("%: ").append(k).append(LINE_SEPARATOR);
}
buff.append(LINE_SEPARATOR).append("Top ").append(count).append(" stack trace(s) of ").append(this.time).append(" ms ").append(LINE_SEPARATOR);
if (this.counts.size() == 0) {
buff.append("(none)");
}
Profiler.appendTop(buff, this.counts, count, this.total);
buff.append('.');
return buff.toString();
}
private static void appendTop(StringBuilder buff, HashMap<String, Integer> map, int count, int total) {
int x = 0;
int min = 0;
do {
int highest = 0;
Map.Entry<String, Integer> best = null;
for (Map.Entry<String, Integer> el : map.entrySet()) {
if (el.getValue() <= highest && (el.getValue() != highest || el.getKey().length() >= best.getKey().length())) continue;
best = el;
highest = el.getValue();
}
if (best == null) break;
map.remove(best.getKey());
if (++x >= count) {
if (best.getValue() < min) break;
min = best.getValue();
}
int c = best.getValue();
int percent = 100 * c / Math.max(total, 1);
buff.append(c).append('/').append(total).append(" (").append(percent).append("%):").append(LINE_SEPARATOR).append(best.getKey()).append(LINE_SEPARATOR);
} while (true);
}
public static String[] arraySplit(String s, char separatorChar, boolean trim) {
if (s == null) {
return null;
}
if (s.length() == 0) {
return new String[0];
}
ArrayList<String> list = new ArrayList<String>();
StringBuilder buff = new StringBuilder(s.length());
int i = 0;
while (i < s.length()) {
char c = s.charAt(i);
if (c == separatorChar) {
String e = buff.toString();
list.add(trim ? e.trim() : e);
buff.setLength(0);
} else if (c == '\\' && i < s.length() - 1) {
buff.append(s.charAt(++i));
} else {
buff.append(c);
}
++i;
}
String e = buff.toString();
list.add(trim ? e.trim() : e);
String[] array = new String[list.size()];
list.toArray(array);
return array;
}
}
}