001package org.apache.hadoop.hdfs.server.namenode;
002
003import javax.servlet.*;
004import javax.servlet.http.*;
005import javax.servlet.jsp.*;
006import org.apache.hadoop.util.ServletUtil;
007
008public final class dfshealth_jsp extends org.apache.jasper.runtime.HttpJspBase
009    implements org.apache.jasper.runtime.JspSourceDependent {
010
011
012  //for java.io.Serializable
013  private static final long serialVersionUID = 1L;
014
015  private static java.util.List _jspx_dependants;
016
017  public Object getDependants() {
018    return _jspx_dependants;
019  }
020
021  public void _jspService(HttpServletRequest request, HttpServletResponse response)
022        throws java.io.IOException, ServletException {
023
024    JspFactory _jspxFactory = null;
025    PageContext pageContext = null;
026    HttpSession session = null;
027    ServletContext application = null;
028    ServletConfig config = null;
029    JspWriter out = null;
030    Object page = this;
031    JspWriter _jspx_out = null;
032    PageContext _jspx_page_context = null;
033
034
035    try {
036      _jspxFactory = JspFactory.getDefaultFactory();
037      response.setContentType("text/html; charset=UTF-8");
038      pageContext = _jspxFactory.getPageContext(this, request, response,
039                        null, true, 8192, true);
040      _jspx_page_context = pageContext;
041      application = pageContext.getServletContext();
042      config = pageContext.getServletConfig();
043      session = pageContext.getSession();
044      out = pageContext.getOut();
045      _jspx_out = out;
046
047
048/*
049 * Licensed to the Apache Software Foundation (ASF) under one
050 * or more contributor license agreements.  See the NOTICE file 
051 * distributed with this work for additional information
052 * regarding copyright ownership.  The ASF licenses this file
053 * to you under the Apache License, Version 2.0 (the
054 * "License"); you may not use this file except in compliance
055 * with the License.  You may obtain a copy of the License at
056 *
057 *     http://www.apache.org/licenses/LICENSE-2.0
058 *
059 * Unless required by applicable law or agreed to in writing, software
060 * distributed under the License is distributed on an "AS IS" BASIS,
061 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
062 * See the License for the specific language governing permissions and
063 * limitations under the License.
064 */
065
066
067  final NamenodeJspHelper.HealthJsp healthjsp  = new NamenodeJspHelper.HealthJsp();
068  NameNode nn = NameNodeHttpServer.getNameNodeFromContext(application);
069  FSNamesystem fsn = nn.getNamesystem();
070  String namenodeRole = nn.getRole().toString();
071  String namenodeLabel = nn.getNameNodeAddress().getHostName() + ":" + nn.getNameNodeAddress().getPort();
072
073      out.write("<!DOCTYPE html>\n<html>\n\n<link rel=\"stylesheet\" type=\"text/css\" href=\"/static/hadoop.css\">\n<title>Hadoop ");
074      out.print(namenodeRole);
075      out.write("&nbsp;");
076      out.print(namenodeLabel);
077      out.write("</title>\n    \n<body>\n<h1>");
078      out.print(namenodeRole);
079      out.write(' ');
080      out.write('\'');
081      out.print(namenodeLabel);
082      out.write("'</h1>\n");
083      out.print( NamenodeJspHelper.getVersionTable(fsn) );
084      out.write("<br />\n<b><a href=\"/nn_browsedfscontent.jsp\">Browse the filesystem</a></b><br>\n<b><a href=\"/logs/\">");
085      out.print(namenodeRole);
086      out.write(" Logs</a></b>\n\n<hr>\n<h3>Cluster Summary</h3>\n<b> ");
087      out.print( NamenodeJspHelper.getSecurityModeText());
088      out.write("</b>\n<b> ");
089      out.print( NamenodeJspHelper.getSafeModeText(fsn));
090      out.write("</b>\n<b> ");
091      out.print( NamenodeJspHelper.getInodeLimitText(fsn));
092      out.write("</b>\n");
093      out.print( NamenodeJspHelper.getCorruptFilesWarning(fsn));
094 healthjsp.generateHealthReport(out, nn, request); 
095      out.write("<hr>\n");
096 healthjsp.generateConfReport(out, nn, request); 
097
098out.println(ServletUtil.htmlFooter());
099
100    } catch (Throwable t) {
101      if (!(t instanceof SkipPageException)){
102        out = _jspx_out;
103        if (out != null && out.getBufferSize() != 0)
104          out.clearBuffer();
105        if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
106      }
107    } finally {
108      if (_jspxFactory != null) _jspxFactory.releasePageContext(_jspx_page_context);
109    }
110  }
111}