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<%
  /*
  * 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.
  */
%>
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>

<%@ page import="org.apache.tajo.master.TajoMaster" %>
<%@ page import="org.apache.tajo.master.cluster.WorkerConnectionInfo" %>
<%@ page import="org.apache.tajo.service.ServiceTracker" %>
<%@ page import="org.apache.tajo.service.TajoMasterInfo" %>
<%@ page import="org.apache.tajo.master.rm.Worker" %>
<%@ page import="org.apache.tajo.master.rm.WorkerResource" %>
<%@ page import="org.apache.tajo.master.rm.WorkerState" %>
<%@ page import="org.apache.tajo.util.JSPUtil" %>
<%@ page import="org.apache.tajo.util.TUtil" %>
<%@ page import="org.apache.tajo.webapp.StaticHttpServer" %>
<%@ page import="java.util.*" %>
<%@ page import="org.apache.tajo.service.ServiceTracker" %>
<%@ page import="java.net.InetSocketAddress" %>

<%
  TajoMaster master = (TajoMaster) StaticHttpServer.getInstance().getAttribute("tajo.info.server.object");

  String[] masterName = master.getMasterName().split(":");
  InetSocketAddress socketAddress = new InetSocketAddress(masterName[0], Integer.parseInt(masterName[1]));
  String masterLabel = socketAddress.getAddress().getHostName()+ ":" + socketAddress.getPort();

  Map workers = master.getContext().getResourceManager().getWorkers();
  List wokerKeys = new ArrayList(workers.keySet());
  Collections.sort(wokerKeys);

  int runningQueryMasterTasks = 0;

  Set liveWorkers = new TreeSet();
  Set deadWorkers = new TreeSet();
  Set decommissionWorkers = new TreeSet();

  Set liveQueryMasters = new TreeSet();
  Set deadQueryMasters = new TreeSet();

  for(Worker eachWorker: workers.values()) {
    if(eachWorker.getResource().isQueryMasterMode()) {
      liveQueryMasters.add(eachWorker);
      runningQueryMasterTasks += eachWorker.getResource().getNumQueryMasterTasks();
    }

    if(eachWorker.getResource().isTaskRunnerMode()) {
      liveWorkers.add(eachWorker);
    }
  }

  for (Worker inactiveWorker : master.getContext().getResourceManager().getInactiveWorkers().values()) {
    WorkerState state = inactiveWorker.getState();

    if (state == WorkerState.LOST) {
      if (inactiveWorker.getResource().isQueryMasterMode()) {
        deadQueryMasters.add(inactiveWorker);
      }
      if (inactiveWorker.getResource().isTaskRunnerMode()) {
        deadWorkers.add(inactiveWorker);
      }
    } else if (state == WorkerState.DECOMMISSIONED) {
      decommissionWorkers.add(inactiveWorker);
    }
  }

  String deadWorkersHtml = deadWorkers.isEmpty() ? "0": "" + deadWorkers.size() + "";
  String deadQueryMastersHtml = deadQueryMasters.isEmpty() ? "0": "" + deadQueryMasters.size() + "";

  ServiceTracker haService = master.getContext().getHAService();
  List masters = TUtil.newList();

  String activeLabel = "";
  if (haService != null) {
    if (haService.isActiveMaster()) {
      activeLabel = "(active)";
    } else {
      activeLabel = "(backup)";
    }

    masters.addAll(haService.getMasters());
  }

  int numLiveMasters = 0;
  int numDeadMasters = 0;

  for(TajoMasterInfo eachMaster : masters) {
    if (eachMaster.isAvailable()) {
      numLiveMasters++;
    } else {
      numDeadMasters++;
    }
  }
  String deadMasterHtml = numDeadMasters == 0 ? "0": "" + numDeadMasters +"";

%>




  
  
  Tajo


<%@ include file="header.jsp"%>

  Tajo Master: <%=masterLabel%> <%=activeLabel%>
  Live:<%=numLiveMasters%>, Dead: <%=deadMasterHtml%>, Total: <%=masters.size()%>
<%
  if (masters != null) {
    if(numLiveMasters == 0) {
      out.write("No TajoMasters\n");
    } else {
%>
  
  
    <%
      int no = 1;

      for(TajoMasterInfo eachMaster : masters) {
      String tajoMasterHttp = "http://" + eachMaster.getWebServerAddress().getHostName() + ":" +
          eachMaster.getWebServerAddress().getPort() + "/index.jsp";
      String isActive = eachMaster.isActive() == true ? "ACTIVE" : "BACKUP";
      String isAvailable = eachMaster.isAvailable() == true ? "RUNNING" : "FAILED";
    %>
    
    <%
      } //end fo for
    %>
  
    No TajoMaster Rpc Server Rpc Client ResourceTracker
      Catalog Active/Backup Status

      <%=no++%>
      <%=eachMaster.getWebServerAddress().getHostName() + ":" +
          eachMaster.getWebServerAddress().getPort()%>
      <%=eachMaster.getTajoMasterAddress().getHostName() + ":" +
          eachMaster.getTajoMasterAddress().getPort()%>
      <%=eachMaster.getTajoClientAddress().getHostName() + ":" +
          eachMaster.getTajoClientAddress().getPort()%>
      <%=eachMaster.getWorkerResourceTrackerAddr().getHostName() + ":" +
          eachMaster.getWorkerResourceTrackerAddr().getPort()%>
      <%=eachMaster.getCatalogAddress().getHostName() + ":" +
          eachMaster.getCatalogAddress().getPort()%>
      <%=isActive%>
      <%=isAvailable%>
    
  <%
    } //end of if
  %>
  
<%
  } //end of if
%>

  

  Query Master
  Live:<%=liveQueryMasters.size()%>, Dead: <%=deadQueryMastersHtml%>, QueryMaster Tasks: <%=runningQueryMasterTasks%>
  Live QueryMasters
<%
  if(liveQueryMasters.isEmpty()) {
    out.write("No Live QueryMasters\n");
  } else {
%>
  

<%
    int no = 1;
    for(Worker queryMaster: liveQueryMasters) {
        WorkerResource resource = queryMaster.getResource();
        WorkerConnectionInfo connectionInfo = queryMaster.getConnectionInfo();
        String queryMasterHttp = "http://" + connectionInfo.getHost()
                + ":" + connectionInfo.getHttpInfoPort() + "/index.jsp";
%>
    
<%
    } //end fo for
%>
  
    No QueryMaster Client Port Running Query Heap(free/total/max) Heartbeat Status

        <%=no++%>
        <%=connectionInfo.getHost() + ":" + connectionInfo.getQueryMasterPort()%>
        <%=connectionInfo.getClientPort()%>
        <%=resource.getNumQueryMasterTasks()%>
        <%=resource.getFreeHeap()/1024/1024%>/<%=resource.getTotalHeap()/1024/1024%>/<%=resource.getMaxHeap()/1024/1024%> MB
        <%=JSPUtil.getElapsedTime(queryMaster.getLastHeartbeatTime(), System.currentTimeMillis())%>
        <%=queryMaster.getState()%>
    
<%
    } //end of if
%>

  

<%
  if(!deadQueryMasters.isEmpty()) {
%>
  

  Dead QueryMaster
  
<%
      int no = 1;
      for(Worker queryMaster: deadQueryMasters) {
%>
    
<%
      } //end fo for
%>
  
    No QueryMaster

      <%=no++%>
      <%=queryMaster.getConnectionInfo().getHost() + ":" + queryMaster.getConnectionInfo().getQueryMasterPort()%>
    
  
<%
    } //end of if
%>

  

  Worker
  Live:<%=liveWorkers.size()%>, Dead: <%=deadWorkersHtml%>
  
  Live Workers
<%
  if(liveWorkers.isEmpty()) {
    out.write("No Live Workers\n");
  } else {
%>
  
<%
    int no = 1;
    for(Worker worker: liveWorkers) {
        WorkerResource resource = worker.getResource();
        WorkerConnectionInfo connectionInfo = worker.getConnectionInfo();
        String workerHttp = "http://" + connectionInfo.getHost() + ":" + connectionInfo.getHttpInfoPort() + "/index.jsp";
%>
    
<%
    } //end fo for
%>
    
    No Worker PullServer
Port Running Tasks Memory Resource
(used/total) Disk Resource
(used/total) Heap
(free/total/max) Heartbeat Status

        <%=no++%>
        <%=connectionInfo.getHostAndPeerRpcPort()%>
        <%=connectionInfo.getPullServerPort()%>
        <%=resource.getNumRunningTasks()%>
        <%=resource.getUsedMemoryMB()%>/<%=resource.getMemoryMB()%>
        <%=resource.getUsedDiskSlots()%>/<%=resource.getDiskSlots()%>
        <%=resource.getFreeHeap()/1024/1024%>/<%=resource.getTotalHeap()/1024/1024%>/<%=resource.getMaxHeap()/1024/1024%> MB
        <%=JSPUtil.getElapsedTime(worker.getLastHeartbeatTime(), System.currentTimeMillis())%>
        <%=worker.getState()%>
    
<%
  } //end of if
%>

  
  

  
  
Dead Workers

<%
    if(deadWorkers.isEmpty()) {
%>
  No Dead Workers
<%
  } else {
%>
  
<%
      int no = 1;
      for(Worker worker: deadWorkers) {
        WorkerResource resource = worker.getResource();
%>
    
<%
      } //end fo for
%>
  
    No Worker

      <%=no++%>
      <%=worker.getConnectionInfo().getHostAndPeerRpcPort()%>
    
<%
    } //end of if
%>