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/* * $Header: /home/cvs/jakarta-tomcat-catalina/webapps/manager/WEB-INF/classes/org/apache/catalina/manager/StatusManagerServlet.java,v 1.12 2003/09/16 15:36:07 remm Exp $ * $Revision: 1.12 $ * $Date: 2003/09/16 15:36:07 $ * * ==================================================================== * * The Apache Software License, Version 1.1 * * Copyright (c) 1999 The Apache Software Foundation. All rights * reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * 3. The end-user documentation included with the redistribution, if * any, must include the following acknowlegement: * "This product includes software developed by the * Apache Software Foundation (http://www.apache.org/)." * Alternately, this acknowlegement may appear in the software itself, * if and wherever such third-party acknowlegements normally appear. * * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software * Foundation" must not be used to endorse or promote products derived * from this software without prior written permission. For written * permission, please contact apache@apache.org. * * 5. Products derived from this software may not be called "Apache" * nor may "Apache" appear in their names without prior written * permission of the Apache Group. * * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * ==================================================================== * * This software consists of voluntary contributions made by many * individuals on behalf of the Apache Software Foundation. For more * information on the Apache Software Foundation, please see * <http://www.apache.org/>. * * [Additional notices, if required by prior licensing conditions] * */ package org.apache.catalina.manager; import java.io.IOException; import java.io.PrintWriter; import java.util.Enumeration; import java.util.Iterator; import java.util.Set; import java.util.Vector; import javax.management.MBeanServer; import javax.management.MBeanServerNotification; import javax.management.Notification; import javax.management.NotificationListener; import javax.management.ObjectInstance; import javax.management.ObjectName; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.modeler.Registry; import org.apache.catalina.util.ServerInfo; import org.apache.catalina.util.StringManager; /** * This servlet will display a complete status of the HTTP/1.1 connector. * * @author Remy Maucherat * @version $Revision: 1.12 $ $Date: 2003/09/16 15:36:07 $ */ public class StatusManagerServlet extends HttpServlet implements NotificationListener { // ----------------------------------------------------- Instance Variables /** * The debugging detail level for this servlet. */ private int debug = 0; /** * MBean server. */ protected MBeanServer mBeanServer = null; /** * Vector of protocol handlers object names. */ protected Vector protocolHandlers = new Vector(); /** * Vector of thread pools object names. */ protected Vector threadPools = new Vector(); /** * Vector of request processors object names. */ protected Vector requestProcessors = new Vector(); /** * Vector of global request processors object names. */ protected Vector globalRequestProcessors = new Vector(); /** * The string manager for this package. */ protected static StringManager sm = StringManager.getManager(Constants.Package); // --------------------------------------------------------- Public Methods /** * Initialize this servlet. */ public void init() throws ServletException { // Retrieve the MBean server mBeanServer = Registry.getServer(); // Set our properties from the initialization parameters String value = null; try { value = getServletConfig().getInitParameter("debug"); debug = Integer.parseInt(value); } catch (Throwable t) { ; } try { // Query protocol handlers String onStr = "*:type=ProtocolHandler,*"; ObjectName objectName = new ObjectName(onStr); Set set = mBeanServer.queryMBeans(objectName, null); Iterator iterator = set.iterator(); while (iterator.hasNext()) { ObjectInstance oi = (ObjectInstance) iterator.next(); protocolHandlers.addElement(oi.getObjectName()); } // Query Thread Pools onStr = "*:type=ThreadPool,*"; objectName = new ObjectName(onStr); set = mBeanServer.queryMBeans(objectName, null); iterator = set.iterator(); while (iterator.hasNext()) { ObjectInstance oi = (ObjectInstance) iterator.next(); threadPools.addElement(oi.getObjectName()); } // Query Global Request Processors onStr = "*:type=GlobalRequestProcessor,*"; objectName = new ObjectName(onStr); set = mBeanServer.queryMBeans(objectName, null); iterator = set.iterator(); while (iterator.hasNext()) { ObjectInstance oi = (ObjectInstance) iterator.next(); globalRequestProcessors.addElement(oi.getObjectName()); } // Query Request Processors onStr = "*:type=RequestProcessor,*"; objectName = new ObjectName(onStr); set = mBeanServer.queryMBeans(objectName, null); iterator = set.iterator(); while (iterator.hasNext()) { ObjectInstance oi = (ObjectInstance) iterator.next(); requestProcessors.addElement(oi.getObjectName()); } // Register with MBean server onStr = "JMImplementation:type=MBeanServerDelegate"; objectName = new ObjectName(onStr); mBeanServer.addNotificationListener(objectName, this, null, null); } catch (Exception e) { e.printStackTrace(); } } /** * Finalize this servlet. */ public void destroy() { ; // No actions necessary } /** * Process a GET request for the specified resource. * * @param request The servlet request we are processing * @param response The servlet response we are creating * * @exception IOException if an input/output error occurs * @exception ServletException if a servlet-specified error occurs */ public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException { // mode is flag for HTML or XML output int mode = 0; // if ?XML=true, set the mode to XML if (request.getParameter("XML") != null && request.getParameter("XML").equals("true")) { mode = 1; } StatusTransformer.setContentType(response, mode); PrintWriter writer = response.getWriter(); boolean completeStatus = false; if ((request.getPathInfo() != null) && (request.getPathInfo().equals("/all"))) { completeStatus = true; } // use StatusTransformer to output status StatusTransformer.writeHeader(writer,mode); // Body Header Section Object[] args = new Object[2]; args[0] = request.getContextPath(); if (completeStatus) { args[1] = sm.getString("statusServlet.complete"); } else { args[1] = sm.getString("statusServlet.title"); } // use StatusTransformer to output status StatusTransformer.writeBody(writer,args,mode); // Manager Section args = new Object[9]; args[0] = sm.getString("htmlManagerServlet.manager"); args[1] = response.encodeURL(request.getContextPath() + "/html/list"); args[2] = sm.getString("htmlManagerServlet.list"); args[3] = response.encodeURL (request.getContextPath() + "/" + sm.getString("htmlManagerServlet.helpHtmlManagerFile")); args[4] = sm.getString("htmlManagerServlet.helpHtmlManager"); args[5] = response.encodeURL (request.getContextPath() + "/" + sm.getString("htmlManagerServlet.helpManagerFile")); args[6] = sm.getString("htmlManagerServlet.helpManager"); if (completeStatus) { args[7] = response.encodeURL (request.getContextPath() + "/status"); args[8] = sm.getString("statusServlet.title"); } else { args[7] = response.encodeURL (request.getContextPath() + "/status/all"); args[8] = sm.getString("statusServlet.complete"); } // use StatusTransformer to output status StatusTransformer.writeManager(writer,args,mode); // Server Header Section args = new Object[7]; args[0] = sm.getString("htmlManagerServlet.serverTitle"); args[1] = sm.getString("htmlManagerServlet.serverVersion"); args[2] = sm.getString("htmlManagerServlet.serverJVMVersion"); args[3] = sm.getString("htmlManagerServlet.serverJVMVendor"); args[4] = sm.getString("htmlManagerServlet.serverOSName"); args[5] = sm.getString("htmlManagerServlet.serverOSVersion"); args[6] = sm.getString("htmlManagerServlet.serverOSArch"); // use StatusTransformer to output status StatusTransformer.writePageHeading(writer,args,mode); // Server Row Section args = new Object[6]; args[0] = ServerInfo.getServerInfo(); args[1] = System.getProperty("java.runtime.version"); args[2] = System.getProperty("java.vm.vendor"); args[3] = System.getProperty("os.name"); args[4] = System.getProperty("os.version"); args[5] = System.getProperty("os.arch"); // use StatusTransformer to output status StatusTransformer.writeServerInfo(writer, args, mode); try { // Display virtual machine statistics StatusTransformer.writeVMState(writer,mode); Enumeration enum = threadPools.elements(); while (enum.hasMoreElements()) { ObjectName objectName = (ObjectName) enum.nextElement(); String name = objectName.getKeyProperty("name"); // use StatusTransformer to output status StatusTransformer.writeConnectorState (writer, objectName, name, mBeanServer, globalRequestProcessors, requestProcessors, mode); } if ((request.getPathInfo() != null) && (request.getPathInfo().equals("/all"))) { // Note: Retrieving the full status is much slower // use StatusTransformer to output status StatusTransformer.writeDetailedState (writer, mBeanServer, mode); } } catch (Exception e) { throw new ServletException(e); } // use StatusTransformer to output status StatusTransformer.writeFooter(writer, mode); } // ------------------------------------------- NotificationListener Methods public void handleNotification(Notification notification, java.lang.Object handback) { if (notification instanceof MBeanServerNotification) { ObjectName objectName = ((MBeanServerNotification) notification).getMBeanName(); if (notification.getType().equals(MBeanServerNotification.REGISTRATION_NOTIFICATION)) { String type = objectName.getKeyProperty("type"); if (type != null) { if (type.equals("ProtocolHandler")) { protocolHandlers.addElement(objectName); } else if (type.equals("ThreadPool")) { threadPools.addElement(objectName); } else if (type.equals("GlobalRequestProcessor")) { globalRequestProcessors.addElement(objectName); } else if (type.equals("RequestProcessor")) { requestProcessors.addElement(objectName); } } } else if (notification.getType().equals(MBeanServerNotification.UNREGISTRATION_NOTIFICATION)) { String type = objectName.getKeyProperty("type"); if (type != null) { if (type.equals("ProtocolHandler")) { protocolHandlers.removeElement(objectName); } else if (type.equals("ThreadPool")) { threadPools.removeElement(objectName); } else if (type.equals("GlobalRequestProcessor")) { globalRequestProcessors.removeElement(objectName); } else if (type.equals("RequestProcessor")) { requestProcessors.removeElement(objectName); } } String j2eeType = objectName.getKeyProperty("j2eeType"); if (j2eeType != null) { } } } } }