Package org.apache.hadoop.hdfs.server.federation.router

Class RouterNetworkTopologyServlet

java.lang.Object
javax.servlet.GenericServlet
javax.servlet.http.HttpServlet
org.apache.hadoop.hdfs.server.namenode.DfsServlet
org.apache.hadoop.hdfs.server.namenode.NetworkTopologyServlet
org.apache.hadoop.hdfs.server.federation.router.RouterNetworkTopologyServlet
All Implemented Interfaces:
Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig
public class RouterNetworkTopologyServlet extends org.apache.hadoop.hdfs.server.namenode.NetworkTopologyServlet
A servlet to print out the network topology from router.
See Also:

  • Nested Class Summary

    Nested classes/interfaces inherited from class org.apache.hadoop.hdfs.server.namenode.NetworkTopologyServlet

    org.apache.hadoop.hdfs.server.namenode.NetworkTopologyServlet.BadFormatException

  • Field Summary

    Fields inherited from class org.apache.hadoop.hdfs.server.namenode.NetworkTopologyServlet

    FORMAT_JSON, FORMAT_TEXT, PATH_SPEC, SERVLET_NAME

  • Constructor Summary

    Constructors
    Constructor
    Description
    RouterNetworkTopologyServlet()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)
     

    Methods inherited from class org.apache.hadoop.hdfs.server.namenode.NetworkTopologyServlet

    parseAcceptHeader, printJsonFormat, printTextFormat, printTopology

    Methods inherited from class org.apache.hadoop.hdfs.server.namenode.DfsServlet

    getUGI

    Methods inherited from class javax.servlet.http.HttpServlet

    doDelete, doHead, doOptions, doPost, doPut, doTrace, getLastModified, service, service

    Methods inherited from class javax.servlet.GenericServlet

    destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, init, log, log

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • RouterNetworkTopologyServlet

      public RouterNetworkTopologyServlet()

  • Method Details

    • doGet

      public void doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) throws IOException
      Overrides:
      doGet in class org.apache.hadoop.hdfs.server.namenode.NetworkTopologyServlet
      Throws:
      IOException