source: proiecte/HadoopJUnit/hadoop-0.20.1/src/webapps/hdfs/nn_browsedfscontent.jsp @ 120

Last change on this file since 120 was 120, checked in by (none), 14 years ago

Added the mail files for the Hadoop JUNit Project
  • Property svn:executable set to *
File size: 1.7 KB
Line 
1<%@ page
2  contentType="text/html; charset=UTF-8"
3  import="javax.servlet.*"
4  import="javax.servlet.http.*"
5  import="java.io.*"
6  import="java.util.*"
7  import="org.apache.hadoop.hdfs.*"
8  import="org.apache.hadoop.hdfs.server.namenode.*"
9  import="org.apache.hadoop.hdfs.server.datanode.*"
10  import="org.apache.hadoop.hdfs.protocol.*"
11  import="org.apache.hadoop.util.*"
12  import="java.text.DateFormat"
13  import="java.net.InetAddress"
14  import="java.net.URLEncoder"
15%>
16<%!
17  public void redirectToRandomDataNode(
18                            NameNode nn, 
19                            HttpServletResponse resp) throws IOException {
20    FSNamesystem fsn = nn.getNamesystem();
21    String datanode = fsn.randomDataNode();
22    String redirectLocation;
23    String nodeToRedirect;
24    int redirectPort;
25    if (datanode != null) {
26      redirectPort = Integer.parseInt(datanode.substring(datanode.indexOf(':') + 1));
27      nodeToRedirect = datanode.substring(0, datanode.indexOf(':'));
28    }
29    else {
30      nodeToRedirect = nn.getHttpAddress().getHostName();
31      redirectPort = nn.getHttpAddress().getPort();
32    }
33    String fqdn = InetAddress.getByName(nodeToRedirect).getCanonicalHostName();
34    redirectLocation = "http://" + fqdn + ":" + redirectPort + 
35                       "/browseDirectory.jsp?namenodeInfoPort=" + 
36                       nn.getHttpAddress().getPort() +
37                       "&dir=" + URLEncoder.encode("/", "UTF-8");
38    resp.sendRedirect(redirectLocation);
39  }
40%>
41
42<html>
43
44<title></title>
45
46<body>
47<% 
48  NameNode nn = (NameNode)application.getAttribute("name.node");
49  redirectToRandomDataNode(nn, response); 
50%>
51<hr>
52
53<h2>Local logs</h2>
54<a href="/logs/">Log</a> directory
55
56<%
57out.println(ServletUtil.htmlFooter());
58%>
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