diff options
Diffstat (limited to 'pki/base/common/src/com/netscape/cms/servlet/base/SystemInfoServlet.java')
-rw-r--r-- | pki/base/common/src/com/netscape/cms/servlet/base/SystemInfoServlet.java | 287 |
1 files changed, 0 insertions, 287 deletions
diff --git a/pki/base/common/src/com/netscape/cms/servlet/base/SystemInfoServlet.java b/pki/base/common/src/com/netscape/cms/servlet/base/SystemInfoServlet.java deleted file mode 100644 index f883fd373..000000000 --- a/pki/base/common/src/com/netscape/cms/servlet/base/SystemInfoServlet.java +++ /dev/null @@ -1,287 +0,0 @@ -// --- BEGIN COPYRIGHT BLOCK --- -// This program is free software; you can redistribute it and/or modify -// it under the terms of the GNU General Public License as published by -// the Free Software Foundation; version 2 of the License. -// -// This program is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. -// -// You should have received a copy of the GNU General Public License along -// with this program; if not, write to the Free Software Foundation, Inc., -// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. -// -// (C) 2007 Red Hat, Inc. -// All rights reserved. -// --- END COPYRIGHT BLOCK --- -package com.netscape.cms.servlet.base; - -import java.io.IOException; -import java.util.Date; - -import javax.servlet.ServletConfig; -import javax.servlet.ServletException; -import javax.servlet.http.HttpServlet; -import javax.servlet.http.HttpServletRequest; -import javax.servlet.http.HttpServletResponse; - -import com.netscape.certsrv.apps.CMS; - -/** - * Displays detailed information about java VM internals, including - * current JVM memory usage, and detailed information about each - * thread. - * <p> - * Also allows user to trigger a new garbage collection - * - * @version $Revision$, $Date$ - */ -public class SystemInfoServlet extends HttpServlet { - - /** - * - */ - private static final long serialVersionUID = -438134935001530607L; - - public SystemInfoServlet() { - } - - public void init(ServletConfig sc) throws ServletException { - super.init(sc); - } - - /** - * service the request, returning HTML to the client. - * This method has different behaviour depending on the - * value of the 'op' HTTP parameter. - * <UL> - * <LI>op = <i>undefined</i> - display a menu with links to the other functionality of this servlet - * <li>op = gc - tell the JVM that we want to do a garbage collection and to run finalizers (@see - * java.lang.Runtime.getRuntime#gc() ) - * <li>op = general - display information about memory, and other JVM informatino - * <li>op = thread - display details about each thread. - * </UL> - * - * @see javax.servlet.http.HttpServlet#service(HttpServletRequest, HttpServletResponse) - */ - public void service(HttpServletRequest request, - HttpServletResponse response) - throws ServletException, IOException { - String op = request.getParameter("op"); - - response.setContentType("text/html"); - if (op == null) { - mainMenu(request, response); - } else if (op.equals("gc")) { - gc(request, response); - } else if (op.equals("general")) { - general(request, response); - } else if (op.equals("thread")) { - thread(request, response); - } - } - - private void mainMenu(HttpServletRequest request, - HttpServletResponse response) - throws ServletException, IOException { - response.getWriter().println("<HTML>"); - response.getWriter().println("<H1>"); - response.getWriter().println("<a href=" + request.getServletPath() + ">"); - response.getWriter().println("Main"); - response.getWriter().println("</a>"); - response.getWriter().println("</H1>"); - response.getWriter().println("<p>"); - response.getWriter().println("<table>"); - response.getWriter().println("<tr>"); - response.getWriter().println("<td>"); - response.getWriter().println("<li>"); - response.getWriter().println("<a href=" + request.getServletPath() + "?op=general>"); - response.getWriter().println("General"); - response.getWriter().println("</a>"); - response.getWriter().println("</td>"); - response.getWriter().println("</tr>"); - response.getWriter().println("<tr>"); - response.getWriter().println("<td>"); - response.getWriter().println("<li>"); - response.getWriter().println("<a href=" + request.getServletPath() + "?op=gc>"); - response.getWriter().println("Garbage Collection"); - response.getWriter().println("</a>"); - response.getWriter().println("</td>"); - response.getWriter().println("</tr>"); - response.getWriter().println("<tr>"); - response.getWriter().println("<td>"); - response.getWriter().println("<li>"); - response.getWriter().println("<a href=" + request.getServletPath() + "?op=thread>"); - response.getWriter().println("Thread Listing"); - response.getWriter().println("</a>"); - response.getWriter().println("</td>"); - response.getWriter().println("</tr>"); - response.getWriter().println("</table>"); - response.getWriter().println("</HTML>"); - } - - private void gc(HttpServletRequest request, - HttpServletResponse response) - throws ServletException, IOException { - java.lang.Runtime.getRuntime().gc(); - java.lang.Runtime.getRuntime().runFinalization(); - response.getWriter().println("<HTML>"); - response.getWriter().println("<H1>"); - response.getWriter().println("<a href=" + request.getServletPath() + ">"); - response.getWriter().println("Main"); - response.getWriter().println("</a>"); - response.getWriter().println(" : "); - response.getWriter().println("Garbage Collection"); - response.getWriter().println("</H1>"); - response.getWriter().println("<p>"); - response.getWriter().println("The garbage collector has been executed."); - response.getWriter().println("</HTML>"); - } - - private void general(HttpServletRequest request, - HttpServletResponse response) - throws ServletException, IOException { - response.getWriter().println("<HTML>"); - response.getWriter().println("<H1>"); - response.getWriter().println("<a href=" + request.getServletPath() + ">"); - response.getWriter().println("Main"); - response.getWriter().println("</a>"); - response.getWriter().println(" : "); - response.getWriter().println("General"); - response.getWriter().println("</H1>"); - response.getWriter().println("<p>"); - response.getWriter().println("<table>"); - response.getWriter().println("<tr>"); - response.getWriter().println("<td>"); - response.getWriter().println("Server Started Time:"); - response.getWriter().println("</td>"); - response.getWriter().println("<td>"); - response.getWriter().println(new Date(CMS.getStartupTime())); - response.getWriter().println("</td>"); - response.getWriter().println("</tr>"); - response.getWriter().println("<tr>"); - response.getWriter().println("<td>"); - response.getWriter().println("Current Time:"); - response.getWriter().println("</td>"); - response.getWriter().println("<td>"); - response.getWriter().println(new Date()); - response.getWriter().println("</td>"); - response.getWriter().println("</tr>"); - response.getWriter().println("<tr>"); - response.getWriter().println("<td>"); - response.getWriter().println("Available Processors:"); - response.getWriter().println("</td>"); - response.getWriter().println("<td>"); - response.getWriter().println(Runtime.getRuntime().availableProcessors()); - response.getWriter().println("</td>"); - response.getWriter().println("</tr>"); - response.getWriter().println("<tr>"); - response.getWriter().println("<td>"); - response.getWriter().println("Active Threads:"); - response.getWriter().println("</td>"); - response.getWriter().println("<td>"); - response.getWriter().println(Thread.activeCount()); - response.getWriter().println("</td>"); - response.getWriter().println("</tr>"); - response.getWriter().println("<tr>"); - response.getWriter().println("<td>"); - response.getWriter().println("Max Memory (in Bytes):"); - response.getWriter().println("</td>"); - response.getWriter().println("<td>"); - response.getWriter().println(Runtime.getRuntime().maxMemory()); - response.getWriter().println("</td>"); - response.getWriter().println("</tr>"); - response.getWriter().println("<tr>"); - response.getWriter().println("<td>"); - response.getWriter().println("Total Memory (in Bytes):"); - response.getWriter().println("</td>"); - response.getWriter().println("<td>"); - response.getWriter().println(Runtime.getRuntime().totalMemory()); - response.getWriter().println("</td>"); - response.getWriter().println("</tr>"); - response.getWriter().println("<tr>"); - response.getWriter().println("<td>"); - response.getWriter().println("Free Memory (in Bytes):"); - response.getWriter().println("</td>"); - response.getWriter().println("<td>"); - response.getWriter().println(Runtime.getRuntime().freeMemory()); - response.getWriter().println("</td>"); - response.getWriter().println("</tr>"); - response.getWriter().println("<tr>"); - response.getWriter().println("<td>"); - response.getWriter().println("Free Memory / Total Memory:"); - response.getWriter().println("</td>"); - response.getWriter().println("<td>"); - response.getWriter().println( - (Runtime.getRuntime().freeMemory() * 100) / Runtime.getRuntime().totalMemory() + "%"); - response.getWriter().println("</td>"); - response.getWriter().println("</tr>"); - response.getWriter().println("</table>"); - response.getWriter().println("</HTML>"); - } - - private void thread(HttpServletRequest request, - HttpServletResponse response) - throws ServletException, IOException { - response.getWriter().println("</table>"); - response.getWriter().println("<HTML>"); - response.getWriter().println("<H1>"); - response.getWriter().println("<a href=" + request.getServletPath() + ">"); - response.getWriter().println("Main"); - response.getWriter().println("</a>"); - response.getWriter().println(" : "); - response.getWriter().println("Thread Listing"); - response.getWriter().println("</H1>"); - response.getWriter().println("<p>"); - response.getWriter().println("<table width=100% border=1>"); - response.getWriter().println("<tr>"); - response.getWriter().println("<td>"); - response.getWriter().println("<b>"); - response.getWriter().println("#"); - response.getWriter().println("</b>"); - response.getWriter().println("</td>"); - response.getWriter().println("<td>"); - response.getWriter().println("<b>"); - response.getWriter().println("Name"); - response.getWriter().println("</b>"); - response.getWriter().println("</td>"); - response.getWriter().println("<td>"); - response.getWriter().println("<b>"); - response.getWriter().println("Priority"); - response.getWriter().println("</b>"); - response.getWriter().println("</td>"); - response.getWriter().println("<td>"); - response.getWriter().println("<b>"); - response.getWriter().println("isDaemon"); - response.getWriter().println("</b>"); - response.getWriter().println("</td>"); - response.getWriter().println("</tr>"); - int active = Thread.activeCount(); - Thread threads[] = new Thread[active]; - int c = Thread.enumerate(threads); - - for (int i = 0; i < c; i++) { - response.getWriter().println("<tr>"); - response.getWriter().println("<td>"); - response.getWriter().println(i); - response.getWriter().println("</td>"); - response.getWriter().println("<td>"); - response.getWriter().println(threads[i].getName()); - response.getWriter().println("</td>"); - response.getWriter().println("<td>"); - response.getWriter().println(threads[i].getPriority()); - response.getWriter().println("</td>"); - response.getWriter().println("<td>"); - if (threads[i].isDaemon()) { - response.getWriter().println("true"); - } else { - response.getWriter().println("false"); - } - response.getWriter().println("</td>"); - response.getWriter().println("</tr>"); - } - response.getWriter().println("</table>"); - response.getWriter().println("</HTML>"); - } -} |