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