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package org.apache.hadoop.mapred;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import org.apache.hadoop.http.HtmlQuoting;
import org.apache.hadoop.mapred.*;
import org.apache.hadoop.mapred.JSPUtil.JobWithViewAccessCheck;
import org.apache.hadoop.util.*;
import java.lang.Integer;
import java.text.SimpleDateFormat;

public final class jobtasks_jsp extends org.apache.jasper.runtime.HttpJspBase
    implements org.apache.jasper.runtime.JspSourceDependent {

	private static final long serialVersionUID = 1L;

 static SimpleDateFormat dateFormat = new SimpleDateFormat("d-MMM-yyyy HH:mm:ss") ; 
  private static java.util.List _jspx_dependants;

  public Object getDependants() {
    return _jspx_dependants;
  }

  public void _jspService(HttpServletRequest request, HttpServletResponse response)
        throws java.io.IOException, ServletException {

    JspFactory _jspxFactory = null;
    PageContext pageContext = null;
    HttpSession session = null;
    ServletContext application = null;
    ServletConfig config = null;
    JspWriter out = null;
    Object page = this;
    JspWriter _jspx_out = null;
    PageContext _jspx_page_context = null;


    try {
      _jspxFactory = JspFactory.getDefaultFactory();
      response.setContentType("text/html; charset=UTF-8");
      pageContext = _jspxFactory.getPageContext(this, request, response,
      			null, true, 8192, true);
      _jspx_page_context = pageContext;
      application = pageContext.getServletContext();
      config = pageContext.getServletConfig();
      session = pageContext.getSession();
      out = pageContext.getOut();
      _jspx_out = out;


/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file 
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

      out.write('\n');
      out.write('\n');
      out.write('\n');
      out.write('\n');

  JobTracker tracker = (JobTracker) application.getAttribute("job.tracker");
  String trackerName = 
           StringUtils.simpleHostname(tracker.getJobTrackerMachine());
  String jobid = request.getParameter("jobid");
  if (jobid == null) {
    out.println("
Missing 'jobid'!
");
    return;
  }
  JobID jobidObj = JobID.forName(jobid);

  JobWithViewAccessCheck myJob = JSPUtil.checkAccessAndGetJob(tracker, jobidObj,
      request, response);
  if (!myJob.isViewJobAllowed()) {
    return; // user is not authorized to view this job
  }

  JobInProgress job = myJob.getJob();

  String type = request.getParameter("type");
  String pagenum = request.getParameter("pagenum");
  String state = request.getParameter("state");
  state = (state!=null) ? state : "all";
  int pnum = Integer.parseInt(pagenum);
  int next_page = pnum+1;
  int numperpage = 2000;
  
  TaskReport[] reports = null;
  int start_index = (pnum - 1) * numperpage;
  int end_index = start_index + numperpage;
  int report_len = 0;
  if ("map".equals(type)) {
    reports = (job != null) ? tracker.getMapTaskReports(jobidObj) : null;
  } else if ("reduce".equals(type)) {
    reports = (job != null) ? tracker.getReduceTaskReports(jobidObj) : null;
  } else if ("cleanup".equals(type)) {
    reports = (job != null) ? tracker.getCleanupTaskReports(jobidObj) : null;
  } else if ("setup".equals(type)) {
    reports = (job != null) ? tracker.getSetupTaskReports(jobidObj) : null;
  }

      out.write("\n\n\n  \n    Hadoop ");
      out.print(type);
      out.write(" task list for ");
      out.print(jobid);
      out.write(" on ");
      out.print(trackerName);
      out.write("\n    \n  \n\n
Hadoop ");
      out.print(type);
      out.write(" task list for \n');
      out.print(jobid);
      out.write(" on \n");
      out.print(trackerName);
      out.write("
\n");

  // redirect to history page if it cannot be found in memory
  if (job == null) {
    JobID jobIdObj = JobID.forName(jobid);
    String historyFile = tracker.getJobHistory().getHistoryFilePath(jobIdObj);
    if (historyFile == null) {
      out.println("
Job " + jobid + " not known!
");
      return;
    }
    String historyUrl = "/jobtaskshistory.jsp?logFile=" + historyFile +
                        "&status=" + state + "&taskType=" + type;
    response.sendRedirect(response.encodeRedirectURL(historyUrl));
    return;
  }
  // Filtering the reports if some filter is specified
  if (!"all".equals(state)) {
    List filteredReports = new ArrayList();
    for (int i = 0; i < reports.length; ++i) {
      if (("completed".equals(state) && reports[i].getCurrentStatus() == TIPStatus.COMPLETE) 
          || ("running".equals(state) && reports[i].getCurrentStatus() == TIPStatus.RUNNING) 
          || ("killed".equals(state) && reports[i].getCurrentStatus() == TIPStatus.KILLED) 
          || ("pending".equals(state)  && reports[i].getCurrentStatus() == TIPStatus.PENDING)) {
        filteredReports.add(reports[i]);
      }
    }
    // using filtered reports instead of all the reports
    reports = filteredReports.toArray(new TaskReport[0]);
    filteredReports = null;
  }
  report_len = reports.length;
  
  if (report_len <= start_index) {
    out.print("No such tasks");
  } else {
    out.print("
");
    out.print("
" + Character.toUpperCase(state.charAt(0)) 
              + state.substring(1).toLowerCase() + " Tasks
");
    out.print("
");
    out.print("");
    out.print("" +
              "");
    if (end_index > report_len){
        end_index = report_len;
    }
    for (int i = start_index ; i < end_index; i++) {
          TaskReport report = reports[i];
          out.print("");
         out.print("");
         out.print("");
         out.println("");
         out.println("");
         String[] diagnostics = report.getDiagnostics();
         out.print("");
         out.println("");
    }
    out.print("
TaskCompleteStatusStart TimeFinish TimeErrorsCounters
"  + report.getTaskID() + "" + StringUtils.formatPercent(report.getProgress(),2) +
        		   ServletUtil.percentageGraph(report.getProgress() * 100f, 80) + ""  + HtmlQuoting.quoteHtmlChars(report.getState()) + "
" + StringUtils.getFormattedTimeWithDiff(dateFormat, report.getStartTime(),0) + "
" + StringUtils.getFormattedTimeWithDiff(dateFormat, 
             report.getFinishTime(), report.getStartTime()) + "
");
         for (int j = 0; j < diagnostics.length ; j++) {
             out.println(HtmlQuoting.quoteHtmlChars(diagnostics[j]));
         }
         out.println("

" + 
             "" + report.getCounters().size() +
             "
");
    out.print("
");
  }
  if (end_index < report_len) {
    out.print("");
  }
  if (start_index != 0) {
      out.print("");
  }

      out.write("\n\n
\nGo back to JobTracker
\n");

out.println(ServletUtil.htmlFooter());

      out.write('\n');
    } catch (Throwable t) {
      if (!(t instanceof SkipPageException)){
        out = _jspx_out;
        if (out != null && out.getBufferSize() != 0)
          out.clearBuffer();
        if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
      }
    } finally {
      if (_jspxFactory != null) _jspxFactory.releasePageContext(_jspx_page_context);
    }
  }
}




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