From 4e712faac2065ee6b843c03e67f9e9773df405cd Mon Sep 17 00:00:00 2001
From: Haohui Mai <wheat9@apache.org>
Date: Mon, 17 Aug 2015 11:04:00 -0700
Subject: [PATCH] HDFS-6407. Add sorting and pagination in the datanode tab of
 the NN Web UI. Contributed by Haohui Mai.

---
 hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt   |   3 +
 hadoop-hdfs-project/hadoop-hdfs/pom.xml       |   3 +
 .../src/main/webapps/hdfs/dfshealth.html      |  20 +-
 .../src/main/webapps/hdfs/dfshealth.js        |  17 +
 .../webapps/static/dataTables.bootstrap.css   | 371 ++++++++++++++++++
 .../webapps/static/dataTables.bootstrap.js    | 205 ++++++++++
 .../webapps/static/jquery.dataTables.min.js   | 160 ++++++++
 7 files changed, 771 insertions(+), 8 deletions(-)
 create mode 100644 hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/static/dataTables.bootstrap.css
 create mode 100644 hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/static/dataTables.bootstrap.js
 create mode 100644 hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/static/jquery.dataTables.min.js
diff --git a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
index d1c24943d05..a540ccc743a 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
+++ b/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
@@ -450,6 +450,9 @@ Release 2.8.0 - UNRELEASED
 
     HDFS-8713. Convert DatanodeDescriptor to use SLF4J logging. (wang)
 
+    HDFS-6407. Add sorting and pagination in the datanode tab of the NN Web UI.
+    (wheat9)
+
   OPTIMIZATIONS
 
     HDFS-8026. Trace FSOutputSummer#writeChecksumChunks rather than
diff --git a/hadoop-hdfs-project/hadoop-hdfs/pom.xml b/hadoop-hdfs-project/hadoop-hdfs/pom.xml
index c47ec1a3a35..f32b2def6dd 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/pom.xml
+++ b/hadoop-hdfs-project/hadoop-hdfs/pom.xml
@@ -390,6 +390,9 @@ http://maven.apache.org/xsd/maven-4.0.0.xsd">
             <exclude>src/main/webapps/static/dust-full-2.0.0.min.js</exclude>
             <exclude>src/main/webapps/static/dust-helpers-1.1.1.min.js</exclude>
             <exclude>src/main/webapps/static/jquery-1.10.2.min.js</exclude>
+            <exclude>src/main/webapps/static/jquery.dataTables.min.js</exclude>
+            <exclude>src/main/webapps/static/dataTables.bootstrap.css</exclude>
+            <exclude>src/main/webapps/static/dataTables.bootstrap.js</exclude>
           </excludes>
         </configuration>
       </plugin>
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.html b/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.html
index 7e7604ac2c7..38808ca0305 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.html
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.html
@@ -20,6 +20,7 @@
 <head>
 <meta http-equiv="X-UA-Compatible" content="IE=9" />
 <link rel="stylesheet" type="text/css" href="/static/bootstrap-3.0.2/css/bootstrap.min.css" />
+<link rel="stylesheet" type="text/css" href="/static/dataTables.bootstrap.css" />
 <link rel="stylesheet" type="text/css" href="/static/hadoop.css" />
 <title>Namenode information</title>
 </head>
@@ -290,7 +291,7 @@
 </div>
 <div class="page-header"><h1><small>In operation</small></h1></div>
 <small>
-<table class="table">
+<table class="table" id="table-datanodes">
   <thead>
     <tr>
       <th>Node</th>
@@ -303,7 +304,7 @@
   </thead>
   {#LiveNodes}
   <tr>
-    <td class="dfshealth-node-icon dfshealth-node-{state}">{name} ({xferaddr})</td>
+    <td ng-value="{state}-{name}" class="dfshealth-node-icon dfshealth-node-{state}">{name} ({xferaddr})</td>
     <td ng-value="{lastContact}">{#helper_relative_time value="{lastContact}"/}</td>
     <td ng-value="{usedPercentage}">
       <div>
@@ -315,18 +316,18 @@
       </div>
     </td>
     <td>{numBlocks}</td>
-    <td>{blockPoolUsed|fmt_bytes} ({blockPoolUsedPercent|fmt_percentage})</td>
+    <td ng-value="{blockPoolUsedPercent}">{blockPoolUsed|fmt_bytes} ({blockPoolUsedPercent|fmt_percentage})</td>
     <td>{version}</td>
   </tr>
   {/LiveNodes}
   {#DeadNodes}
   <tr class="danger">
-    <td class="dfshealth-node-icon dfshealth-node-{state}">{name} ({xferaddr})</td>
+    <td ng-value="{state}-{name}" class="dfshealth-node-icon dfshealth-node-{state}">{name} ({xferaddr})</td>
     <td>{#helper_relative_time value="{lastContact}"/}</td>
-    <td>-</td>
-    <td>-</td>
-    <td>-</td>
-    <td>-</td>
+    <td></td>
+    <td></td>
+    <td></td>
+    <td></td>
   </tr>
   {/DeadNodes}
 </table>
@@ -418,7 +419,10 @@ There are no reported volume failures.
 </script>
 
 <script type="text/javascript" src="/static/jquery-1.10.2.min.js">
+</script><script type="text/javascript" src="/static/jquery.dataTables.min.js">
 </script><script type="text/javascript" src="/static/bootstrap-3.0.2/js/bootstrap.min.js">
+</script><script type="text/javascript" src="/static/dataTables.bootstrap.js">
+</script><script type="text/javascript" src="/static/moment.min.js">
 </script><script type="text/javascript" src="/static/moment.min.js">
 </script><script type="text/javascript" src="/static/dust-full-2.0.0.min.js">
 </script><script type="text/javascript" src="/static/dust-helpers-1.1.1.min.js">
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.js b/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.js
index de9385409cb..03b27fe21e9 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.js
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/hdfs/dfshealth.js
@@ -24,6 +24,13 @@
   dust.loadSource(dust.compile($('#tmpl-datanode-volume-failures').html(), 'datanode-volume-failures'));
   dust.loadSource(dust.compile($('#tmpl-snapshot').html(), 'snapshot-info'));
 
+  $.fn.dataTable.ext.order['ng-value'] = function (settings, col)
+  {
+    return this.api().column(col, {order:'index'} ).nodes().map(function (td, i) {
+      return $(td).attr('ng-value');
+    });
+  };
+
   function load_overview() {
     var BEANS = [
       {"name": "nn",      "url": "/jmx?qry=Hadoop:service=NameNode,name=NameNodeInfo"},
@@ -235,6 +242,16 @@
         var base = dust.makeBase(HELPERS);
         dust.render('datanode-info', base.push(data), function(err, out) {
           $('#tab-datanode').html(out);
+          $('#table-datanodes').dataTable( {
+            'lengthMenu': [ [25, 50, 100, -1], [25, 50, 100, "All"] ],
+            'columns': [
+              { 'orderDataType': 'ng-value', 'searchable': true },
+              { 'orderDataType': 'ng-value', 'type': 'numeric' },
+              { 'orderDataType': 'ng-value', 'type': 'numeric' },
+              { 'orderData': 3, 'type': 'numeric' },
+              { 'orderDataType': 'ng-value', 'type': 'numeric'},
+              { 'orderData': 5 }
+            ]});
           $('#ui-tabs a[href="#tab-datanode"]').tab('show');
         });
       })).error(ajax_error_handler);
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/static/dataTables.bootstrap.css b/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/static/dataTables.bootstrap.css
new file mode 100644
index 00000000000..033c6522bda
--- /dev/null
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/static/dataTables.bootstrap.css
@@ -0,0 +1,371 @@
+div.dataTables_length label {
+	font-weight: normal;
+	text-align: left;
+	white-space: nowrap;
+}
+
+div.dataTables_length select {
+	width: 75px;
+	display: inline-block;
+}
+
+div.dataTables_filter {
+	text-align: right;
+}
+
+div.dataTables_filter label {
+	font-weight: normal;
+	white-space: nowrap;
+	text-align: left;
+}
+
+div.dataTables_filter input {
+	margin-left: 0.5em;
+	display: inline-block;
+	width: auto;
+}
+
+div.dataTables_info {
+	padding-top: 8px;
+	white-space: nowrap;
+}
+
+div.dataTables_paginate {
+	margin: 0;
+	white-space: nowrap;
+	text-align: right;
+}
+
+div.dataTables_paginate ul.pagination {
+	margin: 2px 0;
+	white-space: nowrap;
+}
+
+@media screen and (max-width: 767px) {
+	div.dataTables_wrapper > div.row > div,
+	div.dataTables_length,
+	div.dataTables_filter,
+	div.dataTables_info,
+	div.dataTables_paginate {
+		text-align: center;
+	}
+
+	div.DTTT {
+		margin-bottom: 0.5em;
+	}
+}
+
+
+table.dataTable td,
+table.dataTable th {
+	-webkit-box-sizing: content-box;
+	-moz-box-sizing: content-box;
+	box-sizing: content-box;
+}
+
+
+table.dataTable {
+	clear: both;
+	margin-top: 6px !important;
+	margin-bottom: 6px !important;
+	max-width: none !important;
+}
+
+table.dataTable thead .sorting,
+table.dataTable thead .sorting_asc,
+table.dataTable thead .sorting_desc,
+table.dataTable thead .sorting_asc_disabled,
+table.dataTable thead .sorting_desc_disabled {
+	cursor: pointer;
+	position: relative;
+}
+
+table.dataTable thead .sorting:after,
+table.dataTable thead .sorting_asc:after,
+table.dataTable thead .sorting_desc:after {
+	position: absolute;
+	top: 8px;
+	right: 8px;
+	display: block;
+	font-family: 'Glyphicons Halflings';
+	opacity: 0.5;
+}
+table.dataTable thead .sorting:after {
+	opacity: 0.2;
+	content: "\e150"; /* sort */
+}
+table.dataTable thead .sorting_asc:after {
+	content: "\e155"; /* sort-by-attributes */
+}
+table.dataTable thead .sorting_desc:after {
+	content: "\e156"; /* sort-by-attributes-alt */
+}
+div.dataTables_scrollBody table.dataTable thead .sorting:after,
+div.dataTables_scrollBody table.dataTable thead .sorting_asc:after,
+div.dataTables_scrollBody table.dataTable thead .sorting_desc:after {
+	display: none;
+}
+
+table.dataTable thead .sorting_asc_disabled:after,
+table.dataTable thead .sorting_desc_disabled:after {
+	color: #eee;
+}
+
+table.dataTable thead > tr > th {
+	padding-right: 30px;
+}
+
+table.dataTable th:active {
+	outline: none;
+}
+
+
+/* Condensed */
+table.dataTable.table-condensed thead > tr > th {
+	padding-right: 20px;
+}
+
+table.dataTable.table-condensed thead .sorting:after,
+table.dataTable.table-condensed thead .sorting_asc:after,
+table.dataTable.table-condensed thead .sorting_desc:after {
+	top: 6px;
+	right: 6px;
+}
+
+/* Scrolling */
+div.dataTables_scrollHead table {
+	margin-bottom: 0 !important;
+	border-bottom-left-radius: 0;
+	border-bottom-right-radius: 0;
+}
+
+div.dataTables_scrollHead table thead tr:last-child th:first-child,
+div.dataTables_scrollHead table thead tr:last-child td:first-child {
+	border-bottom-left-radius: 0 !important;
+	border-bottom-right-radius: 0 !important;
+}
+
+div.dataTables_scrollBody table {
+	border-top: none;
+	margin-top: 0 !important;
+	margin-bottom: 0 !important;
+}
+
+div.dataTables_scrollBody tbody tr:first-child th,
+div.dataTables_scrollBody tbody tr:first-child td {
+	border-top: none;
+}
+
+div.dataTables_scrollFoot table {
+	margin-top: 0 !important;
+	border-top: none;
+}
+
+/* Frustratingly the border-collapse:collapse used by Bootstrap makes the column
+   width calculations when using scrolling impossible to align columns. We have
+   to use separate
+ */
+table.table-bordered.dataTable {
+	border-collapse: separate !important;
+}
+table.table-bordered thead th,
+table.table-bordered thead td {
+	border-left-width: 0;
+	border-top-width: 0;
+}
+table.table-bordered tbody th,
+table.table-bordered tbody td {
+	border-left-width: 0;
+	border-bottom-width: 0;
+}
+table.table-bordered tfoot th,
+table.table-bordered tfoot td {
+    border-left-width: 0;
+    border-bottom-width: 0;
+}
+table.table-bordered th:last-child,
+table.table-bordered td:last-child {
+	border-right-width: 0;
+}
+div.dataTables_scrollHead table.table-bordered {
+	border-bottom-width: 0;
+}
+
+
+
+
+/*
+ * TableTools styles
+ */
+.table.dataTable tbody tr.active td,
+.table.dataTable tbody tr.active th {
+	background-color: #08C;
+	color: white;
+}
+
+.table.dataTable tbody tr.active:hover td,
+.table.dataTable tbody tr.active:hover th {
+	background-color: #0075b0 !important;
+}
+
+.table.dataTable tbody tr.active th > a,
+.table.dataTable tbody tr.active td > a {
+	color: white;
+}
+
+.table-striped.dataTable tbody tr.active:nth-child(odd) td,
+.table-striped.dataTable tbody tr.active:nth-child(odd) th {
+	background-color: #017ebc;
+}
+
+table.DTTT_selectable tbody tr {
+	cursor: pointer;
+}
+
+div.DTTT .btn:hover {
+	text-decoration: none !important;
+}
+
+ul.DTTT_dropdown.dropdown-menu {
+  z-index: 2003;
+}
+
+ul.DTTT_dropdown.dropdown-menu a {
+	color: #333 !important; /* needed only when demo_page.css is included */
+}
+
+ul.DTTT_dropdown.dropdown-menu li {
+	position: relative;
+}
+
+ul.DTTT_dropdown.dropdown-menu li:hover a {
+	background-color: #0088cc;
+	color: white !important;
+}
+
+div.DTTT_collection_background {
+	z-index: 2002;
+}
+
+/* TableTools information display */
+div.DTTT_print_info {
+	position: fixed;
+	top: 50%;
+	left: 50%;
+	width: 400px;
+	height: 150px;
+	margin-left: -200px;
+	margin-top: -75px;
+	text-align: center;
+	color: #333;
+	padding: 10px 30px;
+	opacity: 0.95;
+
+	background-color: white;
+	border: 1px solid rgba(0, 0, 0, 0.2);
+	border-radius: 6px;
+
+	-webkit-box-shadow: 0 3px 7px rgba(0, 0, 0, 0.5);
+	        box-shadow: 0 3px 7px rgba(0, 0, 0, 0.5);
+}
+
+div.DTTT_print_info h6 {
+	font-weight: normal;
+	font-size: 28px;
+	line-height: 28px;
+	margin: 1em;
+}
+
+div.DTTT_print_info p {
+	font-size: 14px;
+	line-height: 20px;
+}
+
+div.dataTables_processing {
+    position: absolute;
+    top: 50%;
+    left: 50%;
+    width: 100%;
+    height: 60px;
+    margin-left: -50%;
+    margin-top: -25px;
+    padding-top: 20px;
+    padding-bottom: 20px;
+    text-align: center;
+    font-size: 1.2em;
+    background-color: white;
+    background: -webkit-gradient(linear, left top, right top, color-stop(0%, rgba(255,255,255,0)), color-stop(25%, rgba(255,255,255,0.9)), color-stop(75%, rgba(255,255,255,0.9)), color-stop(100%, rgba(255,255,255,0)));
+    background: -webkit-linear-gradient(left, rgba(255,255,255,0) 0%, rgba(255,255,255,0.9) 25%, rgba(255,255,255,0.9) 75%, rgba(255,255,255,0) 100%);
+    background: -moz-linear-gradient(left, rgba(255,255,255,0) 0%, rgba(255,255,255,0.9) 25%, rgba(255,255,255,0.9) 75%, rgba(255,255,255,0) 100%);
+    background: -ms-linear-gradient(left, rgba(255,255,255,0) 0%, rgba(255,255,255,0.9) 25%, rgba(255,255,255,0.9) 75%, rgba(255,255,255,0) 100%);
+    background: -o-linear-gradient(left, rgba(255,255,255,0) 0%, rgba(255,255,255,0.9) 25%, rgba(255,255,255,0.9) 75%, rgba(255,255,255,0) 100%);
+    background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.9) 25%, rgba(255,255,255,0.9) 75%, rgba(255,255,255,0) 100%);
+}
+
+
+
+/*
+ * FixedColumns styles
+ */
+div.DTFC_LeftHeadWrapper table,
+div.DTFC_LeftFootWrapper table,
+div.DTFC_RightHeadWrapper table,
+div.DTFC_RightFootWrapper table,
+table.DTFC_Cloned tr.even {
+    background-color: white;
+    margin-bottom: 0;
+}
+
+div.DTFC_RightHeadWrapper table ,
+div.DTFC_LeftHeadWrapper table {
+	border-bottom: none !important;
+    margin-bottom: 0 !important;
+    border-top-right-radius: 0 !important;
+    border-bottom-left-radius: 0 !important;
+    border-bottom-right-radius: 0 !important;
+}
+
+div.DTFC_RightHeadWrapper table thead tr:last-child th:first-child,
+div.DTFC_RightHeadWrapper table thead tr:last-child td:first-child,
+div.DTFC_LeftHeadWrapper table thead tr:last-child th:first-child,
+div.DTFC_LeftHeadWrapper table thead tr:last-child td:first-child {
+    border-bottom-left-radius: 0 !important;
+    border-bottom-right-radius: 0 !important;
+}
+
+div.DTFC_RightBodyWrapper table,
+div.DTFC_LeftBodyWrapper table {
+    border-top: none;
+    margin: 0 !important;
+}
+
+div.DTFC_RightBodyWrapper tbody tr:first-child th,
+div.DTFC_RightBodyWrapper tbody tr:first-child td,
+div.DTFC_LeftBodyWrapper tbody tr:first-child th,
+div.DTFC_LeftBodyWrapper tbody tr:first-child td {
+    border-top: none;
+}
+
+div.DTFC_RightFootWrapper table,
+div.DTFC_LeftFootWrapper table {
+    border-top: none;
+    margin-top: 0 !important;
+}
+
+
+div.DTFC_LeftBodyWrapper table.dataTable thead .sorting:after,
+div.DTFC_LeftBodyWrapper table.dataTable thead .sorting_asc:after,
+div.DTFC_LeftBodyWrapper table.dataTable thead .sorting_desc:after,
+div.DTFC_RightBodyWrapper table.dataTable thead .sorting:after,
+div.DTFC_RightBodyWrapper table.dataTable thead .sorting_asc:after,
+div.DTFC_RightBodyWrapper table.dataTable thead .sorting_desc:after {
+	display: none;
+}
+
+
+/*
+ * FixedHeader styles
+ */
+div.FixedHeader_Cloned table {
+	margin: 0 !important
+}
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/static/dataTables.bootstrap.js b/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/static/dataTables.bootstrap.js
new file mode 100644
index 00000000000..115bf84320f
--- /dev/null
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/static/dataTables.bootstrap.js
@@ -0,0 +1,205 @@
+/*! DataTables Bootstrap 3 integration
+ * ©2011-2014 SpryMedia Ltd - datatables.net/license
+ */
+
+/**
+ * DataTables integration for Bootstrap 3. This requires Bootstrap 3 and
+ * DataTables 1.10 or newer.
+ *
+ * This file sets the defaults and adds options to DataTables to style its
+ * controls using Bootstrap. See http://datatables.net/manual/styling/bootstrap
+ * for further information.
+ */
+(function(window, document, undefined){
+
+var factory = function( $, DataTable ) {
+"use strict";
+
+
+/* Set the defaults for DataTables initialisation */
+$.extend( true, DataTable.defaults, {
+	dom:
+		"<'row'<'col-sm-6'l><'col-sm-6'f>>" +
+		"<'row'<'col-sm-12'tr>>" +
+		"<'row'<'col-sm-5'i><'col-sm-7'p>>",
+	renderer: 'bootstrap'
+} );
+
+
+/* Default class modification */
+$.extend( DataTable.ext.classes, {
+	sWrapper:      "dataTables_wrapper form-inline dt-bootstrap",
+	sFilterInput:  "form-control input-sm",
+	sLengthSelect: "form-control input-sm"
+} );
+
+
+/* Bootstrap paging button renderer */
+DataTable.ext.renderer.pageButton.bootstrap = function ( settings, host, idx, buttons, page, pages ) {
+	var api     = new DataTable.Api( settings );
+	var classes = settings.oClasses;
+	var lang    = settings.oLanguage.oPaginate;
+	var btnDisplay, btnClass, counter=0;
+
+	var attach = function( container, buttons ) {
+		var i, ien, node, button;
+		var clickHandler = function ( e ) {
+			e.preventDefault();
+			if ( !$(e.currentTarget).hasClass('disabled') ) {
+				api.page( e.data.action ).draw( false );
+			}
+		};
+
+		for ( i=0, ien=buttons.length ; i<ien ; i++ ) {
+			button = buttons[i];
+
+			if ( $.isArray( button ) ) {
+				attach( container, button );
+			}
+			else {
+				btnDisplay = '';
+				btnClass = '';
+
+				switch ( button ) {
+					case 'ellipsis':
+						btnDisplay = '&hellip;';
+						btnClass = 'disabled';
+						break;
+
+					case 'first':
+						btnDisplay = lang.sFirst;
+						btnClass = button + (page > 0 ?
+							'' : ' disabled');
+						break;
+
+					case 'previous':
+						btnDisplay = lang.sPrevious;
+						btnClass = button + (page > 0 ?
+							'' : ' disabled');
+						break;
+
+					case 'next':
+						btnDisplay = lang.sNext;
+						btnClass = button + (page < pages-1 ?
+							'' : ' disabled');
+						break;
+
+					case 'last':
+						btnDisplay = lang.sLast;
+						btnClass = button + (page < pages-1 ?
+							'' : ' disabled');
+						break;
+
+					default:
+						btnDisplay = button + 1;
+						btnClass = page === button ?
+							'active' : '';
+						break;
+				}
+
+				if ( btnDisplay ) {
+					node = $('<li>', {
+							'class': classes.sPageButton+' '+btnClass,
+							'id': idx === 0 && typeof button === 'string' ?
+								settings.sTableId +'_'+ button :
+								null
+						} )
+						.append( $('<a>', {
+								'href': '#',
+								'aria-controls': settings.sTableId,
+								'data-dt-idx': counter,
+								'tabindex': settings.iTabIndex
+							} )
+							.html( btnDisplay )
+						)
+						.appendTo( container );
+
+					settings.oApi._fnBindAction(
+						node, {action: button}, clickHandler
+					);
+
+					counter++;
+				}
+			}
+		}
+	};
+
+	// IE9 throws an 'unknown error' if document.activeElement is used
+	// inside an iframe or frame.
+	var activeEl;
+
+	try {
+		// Because this approach is destroying and recreating the paging
+		// elements, focus is lost on the select button which is bad for
+		// accessibility. So we want to restore focus once the draw has
+		// completed
+		activeEl = $(document.activeElement).data('dt-idx');
+	}
+	catch (e) {}
+
+	attach(
+		$(host).empty().html('<ul class="pagination"/>').children('ul'),
+		buttons
+	);
+
+	if ( activeEl ) {
+		$(host).find( '[data-dt-idx='+activeEl+']' ).focus();
+	}
+};
+
+
+/*
+ * TableTools Bootstrap compatibility
+ * Required TableTools 2.1+
+ */
+if ( DataTable.TableTools ) {
+	// Set the classes that TableTools uses to something suitable for Bootstrap
+	$.extend( true, DataTable.TableTools.classes, {
+		"container": "DTTT btn-group",
+		"buttons": {
+			"normal": "btn btn-default",
+			"disabled": "disabled"
+		},
+		"collection": {
+			"container": "DTTT_dropdown dropdown-menu",
+			"buttons": {
+				"normal": "",
+				"disabled": "disabled"
+			}
+		},
+		"print": {
+			"info": "DTTT_print_info"
+		},
+		"select": {
+			"row": "active"
+		}
+	} );
+
+	// Have the collection use a bootstrap compatible drop down
+	$.extend( true, DataTable.TableTools.DEFAULTS.oTags, {
+		"collection": {
+			"container": "ul",
+			"button": "li",
+			"liner": "a"
+		}
+	} );
+}
+
+}; // /factory
+
+
+// Define as an AMD module if possible
+if ( typeof define === 'function' && define.amd ) {
+	define( ['jquery', 'datatables'], factory );
+}
+else if ( typeof exports === 'object' ) {
+    // Node/CommonJS
+    factory( require('jquery'), require('datatables') );
+}
+else if ( jQuery ) {
+	// Otherwise simply initialise as normal, stopping multiple evaluation
+	factory( jQuery, jQuery.fn.dataTable );
+}
+
+
+})(window, document);
diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/static/jquery.dataTables.min.js b/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/static/jquery.dataTables.min.js
new file mode 100644
index 00000000000..85dd817e132
--- /dev/null
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/webapps/static/jquery.dataTables.min.js
@@ -0,0 +1,160 @@
+/*! DataTables 1.10.7
+ * ©2008-2015 SpryMedia Ltd - datatables.net/license
+ */
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+j=h([].concat.apply([],i)),l,m=b.aoColumns.length,o,r,t,s,u,v;return $a("cell",d,function(a){var c=typeof a==="function";if(a===null||a===k||c){o=[];r=0;for(t=g.length;r<t;r++){l=g[r];for(s=0;s<m;s++){u={row:l,column:s};if(c){v=b.aoData[l];a(u,x(b,l,s),v.anCells?v.anCells[s]:null)&&o.push(u)}else o.push(u)}}return o}return h.isPlainObject(a)?[a]:j.filter(a).map(function(a,b){l=b.parentNode._DT_RowIndex;return{row:l,column:h.inArray(b,f[l].anCells)}}).toArray()},b,e)});var e=this.columns(b,c),d=this.rows(a,
+c),f,g,j,i,m,l=this.iterator("table",function(a,b){f=[];g=0;for(j=d[b].length;g<j;g++){i=0;for(m=e[b].length;i<m;i++)f.push({row:d[b][g],column:e[b][i]})}return f},1);h.extend(l.selector,{cols:b,rows:a,opts:c});return l});v("cells().nodes()","cell().node()",function(){return this.iterator("cell",function(a,b,c){return(a=a.aoData[b].anCells)?a[c]:k},1)});r("cells().data()",function(){return this.iterator("cell",function(a,b,c){return x(a,b,c)},1)});v("cells().cache()","cell().cache()",function(a){a=
+"search"===a?"_aFilterData":"_aSortData";return this.iterator("cell",function(b,c,e){return b.aoData[c][a][e]},1)});v("cells().render()","cell().render()",function(a){return this.iterator("cell",function(b,c,e){return x(b,c,e,a)},1)});v("cells().indexes()","cell().index()",function(){return this.iterator("cell",function(a,b,c){return{row:b,column:c,columnVisible:$(a,c)}},1)});v("cells().invalidate()","cell().invalidate()",function(a){return this.iterator("cell",function(b,c,e){ca(b,c,a,e)})});r("cell()",
+function(a,b,c){return bb(this.cells(a,b,c))});r("cell().data()",function(a){var b=this.context,c=this[0];if(a===k)return b.length&&c.length?x(b[0],c[0].row,c[0].column):k;Ia(b[0],c[0].row,c[0].column,a);ca(b[0],c[0].row,"data",c[0].column);return this});r("order()",function(a,b){var c=this.context;if(a===k)return 0!==c.length?c[0].aaSorting:k;"number"===typeof a?a=[[a,b]]:h.isArray(a[0])||(a=Array.prototype.slice.call(arguments));return this.iterator("table",function(b){b.aaSorting=a.slice()})});
+r("order.listener()",function(a,b,c){return this.iterator("table",function(e){Oa(e,a,b,c)})});r(["columns().order()","column().order()"],function(a){var b=this;return this.iterator("table",function(c,e){var d=[];h.each(b[e],function(b,c){d.push([c,a])});c.aaSorting=d})});r("search()",function(a,b,c,e){var d=this.context;return a===k?0!==d.length?d[0].oPreviousSearch.sSearch:k:this.iterator("table",function(d){d.oFeatures.bFilter&&fa(d,h.extend({},d.oPreviousSearch,{sSearch:a+"",bRegex:null===b?!1:
+b,bSmart:null===c?!0:c,bCaseInsensitive:null===e?!0:e}),1)})});v("columns().search()","column().search()",function(a,b,c,e){return this.iterator("column",function(d,f){var g=d.aoPreSearchCols;if(a===k)return g[f].sSearch;d.oFeatures.bFilter&&(h.extend(g[f],{sSearch:a+"",bRegex:null===b?!1:b,bSmart:null===c?!0:c,bCaseInsensitive:null===e?!0:e}),fa(d,d.oPreviousSearch,1))})});r("state()",function(){return this.context.length?this.context[0].oSavedState:null});r("state.clear()",function(){return this.iterator("table",
+function(a){a.fnStateSaveCallback.call(a.oInstance,a,{})})});r("state.loaded()",function(){return this.context.length?this.context[0].oLoadedState:null});r("state.save()",function(){return this.iterator("table",function(a){ya(a)})});m.versionCheck=m.fnVersionCheck=function(a){for(var b=m.version.split("."),a=a.split("."),c,e,d=0,f=a.length;d<f;d++)if(c=parseInt(b[d],10)||0,e=parseInt(a[d],10)||0,c!==e)return c>e;return!0};m.isDataTable=m.fnIsDataTable=function(a){var b=h(a).get(0),c=!1;h.each(m.settings,
+function(a,d){var f=d.nScrollHead?h("table",d.nScrollHead)[0]:null,g=d.nScrollFoot?h("table",d.nScrollFoot)[0]:null;if(d.nTable===b||f===b||g===b)c=!0});return c};m.tables=m.fnTables=function(a){return h.map(m.settings,function(b){if(!a||a&&h(b.nTable).is(":visible"))return b.nTable})};m.util={throttle:ua,escapeRegex:va};m.camelToHungarian=H;r("$()",function(a,b){var c=this.rows(b).nodes(),c=h(c);return h([].concat(c.filter(a).toArray(),c.find(a).toArray()))});h.each(["on","one","off"],function(a,
+b){r(b+"()",function(){var a=Array.prototype.slice.call(arguments);a[0].match(/\.dt\b/)||(a[0]+=".dt");var e=h(this.tables().nodes());e[b].apply(e,a);return this})});r("clear()",function(){return this.iterator("table",function(a){oa(a)})});r("settings()",function(){return new t(this.context,this.context)});r("init()",function(){var a=this.context;return a.length?a[0].oInit:null});r("data()",function(){return this.iterator("table",function(a){return D(a.aoData,"_aData")}).flatten()});r("destroy()",
+function(a){a=a||!1;return this.iterator("table",function(b){var c=b.nTableWrapper.parentNode,e=b.oClasses,d=b.nTable,f=b.nTBody,g=b.nTHead,j=b.nTFoot,i=h(d),f=h(f),k=h(b.nTableWrapper),l=h.map(b.aoData,function(a){return a.nTr}),q;b.bDestroying=!0;w(b,"aoDestroyCallback","destroy",[b]);a||(new t(b)).columns().visible(!0);k.unbind(".DT").find(":not(tbody *)").unbind(".DT");h(Ea).unbind(".DT-"+b.sInstance);d!=g.parentNode&&(i.children("thead").detach(),i.append(g));j&&d!=j.parentNode&&(i.children("tfoot").detach(),
+i.append(j));i.detach();k.detach();b.aaSorting=[];b.aaSortingFixed=[];xa(b);h(l).removeClass(b.asStripeClasses.join(" "));h("th, td",g).removeClass(e.sSortable+" "+e.sSortableAsc+" "+e.sSortableDesc+" "+e.sSortableNone);b.bJUI&&(h("th span."+e.sSortIcon+", td span."+e.sSortIcon,g).detach(),h("th, td",g).each(function(){var a=h("div."+e.sSortJUIWrapper,this);h(this).append(a.contents());a.detach()}));!a&&c&&c.insertBefore(d,b.nTableReinsertBefore);f.children().detach();f.append(l);i.css("width",b.sDestroyWidth).removeClass(e.sTable);
+(q=b.asDestroyStripes.length)&&f.children().each(function(a){h(this).addClass(b.asDestroyStripes[a%q])});c=h.inArray(b,m.settings);-1!==c&&m.settings.splice(c,1)})});h.each(["column","row","cell"],function(a,b){r(b+"s().every()",function(a){return this.iterator(b,function(e,d,f){a.call((new t(e))[b](d,f))})})});r("i18n()",function(a,b,c){var e=this.context[0],a=R(a)(e.oLanguage);a===k&&(a=b);c!==k&&h.isPlainObject(a)&&(a=a[c]!==k?a[c]:a._);return a.replace("%d",c)});m.version="1.10.7";m.settings=
+[];m.models={};m.models.oSearch={bCaseInsensitive:!0,sSearch:"",bRegex:!1,bSmart:!0};m.models.oRow={nTr:null,anCells:null,_aData:[],_aSortData:null,_aFilterData:null,_sFilterRow:null,_sRowStripe:"",src:null};m.models.oColumn={idx:null,aDataSort:null,asSorting:null,bSearchable:null,bSortable:null,bVisible:null,_sManualType:null,_bAttrSrc:!1,fnCreatedCell:null,fnGetData:null,fnSetData:null,mData:null,mRender:null,nTh:null,nTf:null,sClass:null,sContentPadding:null,sDefaultContent:null,sName:null,sSortDataType:"std",
+sSortingClass:null,sSortingClassJUI:null,sTitle:null,sType:null,sWidth:null,sWidthOrig:null};m.defaults={aaData:null,aaSorting:[[0,"asc"]],aaSortingFixed:[],ajax:null,aLengthMenu:[10,25,50,100],aoColumns:null,aoColumnDefs:null,aoSearchCols:[],asStripeClasses:null,bAutoWidth:!0,bDeferRender:!1,bDestroy:!1,bFilter:!0,bInfo:!0,bJQueryUI:!1,bLengthChange:!0,bPaginate:!0,bProcessing:!1,bRetrieve:!1,bScrollCollapse:!1,bServerSide:!1,bSort:!0,bSortMulti:!0,bSortCellsTop:!1,bSortClasses:!0,bStateSave:!1,
+fnCreatedRow:null,fnDrawCallback:null,fnFooterCallback:null,fnFormatNumber:function(a){return a.toString().replace(/\B(?=(\d{3})+(?!\d))/g,this.oLanguage.sThousands)},fnHeaderCallback:null,fnInfoCallback:null,fnInitComplete:null,fnPreDrawCallback:null,fnRowCallback:null,fnServerData:null,fnServerParams:null,fnStateLoadCallback:function(a){try{return JSON.parse((-1===a.iStateDuration?sessionStorage:localStorage).getItem("DataTables_"+a.sInstance+"_"+location.pathname))}catch(b){}},fnStateLoadParams:null,
+fnStateLoaded:null,fnStateSaveCallback:function(a,b){try{(-1===a.iStateDuration?sessionStorage:localStorage).setItem("DataTables_"+a.sInstance+"_"+location.pathname,JSON.stringify(b))}catch(c){}},fnStateSaveParams:null,iStateDuration:7200,iDeferLoading:null,iDisplayLength:10,iDisplayStart:0,iTabIndex:0,oClasses:{},oLanguage:{oAria:{sSortAscending:": activate to sort column ascending",sSortDescending:": activate to sort column descending"},oPaginate:{sFirst:"First",sLast:"Last",sNext:"Next",sPrevious:"Previous"},
+sEmptyTable:"No data available in table",sInfo:"Showing _START_ to _END_ of _TOTAL_ entries",sInfoEmpty:"Showing 0 to 0 of 0 entries",sInfoFiltered:"(filtered from _MAX_ total entries)",sInfoPostFix:"",sDecimal:"",sThousands:",",sLengthMenu:"Show _MENU_ entries",sLoadingRecords:"Loading...",sProcessing:"Processing...",sSearch:"Search:",sSearchPlaceholder:"",sUrl:"",sZeroRecords:"No matching records found"},oSearch:h.extend({},m.models.oSearch),sAjaxDataProp:"data",sAjaxSource:null,sDom:"lfrtip",searchDelay:null,
+sPaginationType:"simple_numbers",sScrollX:"",sScrollXInner:"",sScrollY:"",sServerMethod:"GET",renderer:null};W(m.defaults);m.defaults.column={aDataSort:null,iDataSort:-1,asSorting:["asc","desc"],bSearchable:!0,bSortable:!0,bVisible:!0,fnCreatedCell:null,mData:null,mRender:null,sCellType:"td",sClass:"",sContentPadding:"",sDefaultContent:null,sName:"",sSortDataType:"std",sTitle:null,sType:null,sWidth:null};W(m.defaults.column);m.models.oSettings={oFeatures:{bAutoWidth:null,bDeferRender:null,bFilter:null,
+bInfo:null,bLengthChange:null,bPaginate:null,bProcessing:null,bServerSide:null,bSort:null,bSortMulti:null,bSortClasses:null,bStateSave:null},oScroll:{bCollapse:null,iBarWidth:0,sX:null,sXInner:null,sY:null},oLanguage:{fnInfoCallback:null},oBrowser:{bScrollOversize:!1,bScrollbarLeft:!1},ajax:null,aanFeatures:[],aoData:[],aiDisplay:[],aiDisplayMaster:[],aoColumns:[],aoHeader:[],aoFooter:[],oPreviousSearch:{},aoPreSearchCols:[],aaSorting:null,aaSortingFixed:[],asStripeClasses:null,asDestroyStripes:[],
+sDestroyWidth:0,aoRowCallback:[],aoHeaderCallback:[],aoFooterCallback:[],aoDrawCallback:[],aoRowCreatedCallback:[],aoPreDrawCallback:[],aoInitComplete:[],aoStateSaveParams:[],aoStateLoadParams:[],aoStateLoaded:[],sTableId:"",nTable:null,nTHead:null,nTFoot:null,nTBody:null,nTableWrapper:null,bDeferLoading:!1,bInitialised:!1,aoOpenRows:[],sDom:null,searchDelay:null,sPaginationType:"two_button",iStateDuration:0,aoStateSave:[],aoStateLoad:[],oSavedState:null,oLoadedState:null,sAjaxSource:null,sAjaxDataProp:null,
+bAjaxDataGet:!0,jqXHR:null,json:k,oAjaxData:k,fnServerData:null,aoServerParams:[],sServerMethod:null,fnFormatNumber:null,aLengthMenu:null,iDraw:0,bDrawing:!1,iDrawError:-1,_iDisplayLength:10,_iDisplayStart:0,_iRecordsTotal:0,_iRecordsDisplay:0,bJUI:null,oClasses:{},bFiltered:!1,bSorted:!1,bSortCellsTop:null,oInit:null,aoDestroyCallback:[],fnRecordsTotal:function(){return"ssp"==B(this)?1*this._iRecordsTotal:this.aiDisplayMaster.length},fnRecordsDisplay:function(){return"ssp"==B(this)?1*this._iRecordsDisplay:
+this.aiDisplay.length},fnDisplayEnd:function(){var a=this._iDisplayLength,b=this._iDisplayStart,c=b+a,e=this.aiDisplay.length,d=this.oFeatures,f=d.bPaginate;return d.bServerSide?!1===f||-1===a?b+e:Math.min(b+a,this._iRecordsDisplay):!f||c>e||-1===a?e:c},oInstance:null,sInstance:null,iTabIndex:0,nScrollHead:null,nScrollFoot:null,aLastSort:[],oPlugins:{}};m.ext=u={buttons:{},classes:{},errMode:"alert",feature:[],search:[],selector:{cell:[],column:[],row:[]},internal:{},legacy:{ajax:null},pager:{},renderer:{pageButton:{},
+header:{}},order:{},type:{detect:[],search:{},order:{}},_unique:0,fnVersionCheck:m.fnVersionCheck,iApiIndex:0,oJUIClasses:{},sVersion:m.version};h.extend(u,{afnFiltering:u.search,aTypes:u.type.detect,ofnSearch:u.type.search,oSort:u.type.order,afnSortData:u.order,aoFeatures:u.feature,oApi:u.internal,oStdClasses:u.classes,oPagination:u.pager});h.extend(m.ext.classes,{sTable:"dataTable",sNoFooter:"no-footer",sPageButton:"paginate_button",sPageButtonActive:"current",sPageButtonDisabled:"disabled",sStripeOdd:"odd",
+sStripeEven:"even",sRowEmpty:"dataTables_empty",sWrapper:"dataTables_wrapper",sFilter:"dataTables_filter",sInfo:"dataTables_info",sPaging:"dataTables_paginate paging_",sLength:"dataTables_length",sProcessing:"dataTables_processing",sSortAsc:"sorting_asc",sSortDesc:"sorting_desc",sSortable:"sorting",sSortableAsc:"sorting_asc_disabled",sSortableDesc:"sorting_desc_disabled",sSortableNone:"sorting_disabled",sSortColumn:"sorting_",sFilterInput:"",sLengthSelect:"",sScrollWrapper:"dataTables_scroll",sScrollHead:"dataTables_scrollHead",
+sScrollHeadInner:"dataTables_scrollHeadInner",sScrollBody:"dataTables_scrollBody",sScrollFoot:"dataTables_scrollFoot",sScrollFootInner:"dataTables_scrollFootInner",sHeaderTH:"",sFooterTH:"",sSortJUIAsc:"",sSortJUIDesc:"",sSortJUI:"",sSortJUIAscAllowed:"",sSortJUIDescAllowed:"",sSortJUIWrapper:"",sSortIcon:"",sJUIHeader:"",sJUIFooter:""});var Da="",Da="",F=Da+"ui-state-default",ja=Da+"css_right ui-icon ui-icon-",Xb=Da+"fg-toolbar ui-toolbar ui-widget-header ui-helper-clearfix";h.extend(m.ext.oJUIClasses,
+m.ext.classes,{sPageButton:"fg-button ui-button "+F,sPageButtonActive:"ui-state-disabled",sPageButtonDisabled:"ui-state-disabled",sPaging:"dataTables_paginate fg-buttonset ui-buttonset fg-buttonset-multi ui-buttonset-multi paging_",sSortAsc:F+" sorting_asc",sSortDesc:F+" sorting_desc",sSortable:F+" sorting",sSortableAsc:F+" sorting_asc_disabled",sSortableDesc:F+" sorting_desc_disabled",sSortableNone:F+" sorting_disabled",sSortJUIAsc:ja+"triangle-1-n",sSortJUIDesc:ja+"triangle-1-s",sSortJUI:ja+"carat-2-n-s",
+sSortJUIAscAllowed:ja+"carat-1-n",sSortJUIDescAllowed:ja+"carat-1-s",sSortJUIWrapper:"DataTables_sort_wrapper",sSortIcon:"DataTables_sort_icon",sScrollHead:"dataTables_scrollHead "+F,sScrollFoot:"dataTables_scrollFoot "+F,sHeaderTH:F,sFooterTH:F,sJUIHeader:Xb+" ui-corner-tl ui-corner-tr",sJUIFooter:Xb+" ui-corner-bl ui-corner-br"});var Mb=m.ext.pager;h.extend(Mb,{simple:function(){return["previous","next"]},full:function(){return["first","previous","next","last"]},simple_numbers:function(a,b){return["previous",
+Wa(a,b),"next"]},full_numbers:function(a,b){return["first","previous",Wa(a,b),"next","last"]},_numbers:Wa,numbers_length:7});h.extend(!0,m.ext.renderer,{pageButton:{_:function(a,b,c,e,d,f){var g=a.oClasses,j=a.oLanguage.oPaginate,i,k,l=0,m=function(b,e){var n,r,t,s,u=function(b){Ta(a,b.data.action,true)};n=0;for(r=e.length;n<r;n++){s=e[n];if(h.isArray(s)){t=h("<"+(s.DT_el||"div")+"/>").appendTo(b);m(t,s)}else{k=i="";switch(s){case "ellipsis":b.append('<span class="ellipsis">&#x2026;</span>');break;
+case "first":i=j.sFirst;k=s+(d>0?"":" "+g.sPageButtonDisabled);break;case "previous":i=j.sPrevious;k=s+(d>0?"":" "+g.sPageButtonDisabled);break;case "next":i=j.sNext;k=s+(d<f-1?"":" "+g.sPageButtonDisabled);break;case "last":i=j.sLast;k=s+(d<f-1?"":" "+g.sPageButtonDisabled);break;default:i=s+1;k=d===s?g.sPageButtonActive:""}if(i){t=h("<a>",{"class":g.sPageButton+" "+k,"aria-controls":a.sTableId,"data-dt-idx":l,tabindex:a.iTabIndex,id:c===0&&typeof s==="string"?a.sTableId+"_"+s:null}).html(i).appendTo(b);
+Va(t,{action:s},u);l++}}}},n;try{n=h(Q.activeElement).data("dt-idx")}catch(r){}m(h(b).empty(),e);n&&h(b).find("[data-dt-idx="+n+"]").focus()}}});h.extend(m.ext.type.detect,[function(a,b){var c=b.oLanguage.sDecimal;return Za(a,c)?"num"+c:null},function(a){if(a&&!(a instanceof Date)&&(!ac.test(a)||!bc.test(a)))return null;var b=Date.parse(a);return null!==b&&!isNaN(b)||J(a)?"date":null},function(a,b){var c=b.oLanguage.sDecimal;return Za(a,c,!0)?"num-fmt"+c:null},function(a,b){var c=b.oLanguage.sDecimal;
+return Rb(a,c)?"html-num"+c:null},function(a,b){var c=b.oLanguage.sDecimal;return Rb(a,c,!0)?"html-num-fmt"+c:null},function(a){return J(a)||"string"===typeof a&&-1!==a.indexOf("<")?"html":null}]);h.extend(m.ext.type.search,{html:function(a){return J(a)?a:"string"===typeof a?a.replace(Ob," ").replace(Ba,""):""},string:function(a){return J(a)?a:"string"===typeof a?a.replace(Ob," "):a}});var Aa=function(a,b,c,e){if(0!==a&&(!a||"-"===a))return-Infinity;b&&(a=Qb(a,b));a.replace&&(c&&(a=a.replace(c,"")),
+e&&(a=a.replace(e,"")));return 1*a};h.extend(u.type.order,{"date-pre":function(a){return Date.parse(a)||0},"html-pre":function(a){return J(a)?"":a.replace?a.replace(/<.*?>/g,"").toLowerCase():a+""},"string-pre":function(a){return J(a)?"":"string"===typeof a?a.toLowerCase():!a.toString?"":a.toString()},"string-asc":function(a,b){return a<b?-1:a>b?1:0},"string-desc":function(a,b){return a<b?1:a>b?-1:0}});db("");h.extend(!0,m.ext.renderer,{header:{_:function(a,b,c,e){h(a.nTable).on("order.dt.DT",function(d,
+f,g,h){if(a===f){d=c.idx;b.removeClass(c.sSortingClass+" "+e.sSortAsc+" "+e.sSortDesc).addClass(h[d]=="asc"?e.sSortAsc:h[d]=="desc"?e.sSortDesc:c.sSortingClass)}})},jqueryui:function(a,b,c,e){h("<div/>").addClass(e.sSortJUIWrapper).append(b.contents()).append(h("<span/>").addClass(e.sSortIcon+" "+c.sSortingClassJUI)).appendTo(b);h(a.nTable).on("order.dt.DT",function(d,f,g,h){if(a===f){d=c.idx;b.removeClass(e.sSortAsc+" "+e.sSortDesc).addClass(h[d]=="asc"?e.sSortAsc:h[d]=="desc"?e.sSortDesc:c.sSortingClass);
+b.find("span."+e.sSortIcon).removeClass(e.sSortJUIAsc+" "+e.sSortJUIDesc+" "+e.sSortJUI+" "+e.sSortJUIAscAllowed+" "+e.sSortJUIDescAllowed).addClass(h[d]=="asc"?e.sSortJUIAsc:h[d]=="desc"?e.sSortJUIDesc:c.sSortingClassJUI)}})}}});m.render={number:function(a,b,c,e){return{display:function(d){if("number"!==typeof d&&"string"!==typeof d)return d;var f=0>d?"-":"",d=Math.abs(parseFloat(d)),g=parseInt(d,10),d=c?b+(d-g).toFixed(c).substring(2):"";return f+(e||"")+g.toString().replace(/\B(?=(\d{3})+(?!\d))/g,
+a)+d}}}};h.extend(m.ext.internal,{_fnExternApiFunc:Nb,_fnBuildAjax:ra,_fnAjaxUpdate:kb,_fnAjaxParameters:tb,_fnAjaxUpdateDraw:ub,_fnAjaxDataSrc:sa,_fnAddColumn:Fa,_fnColumnOptions:ka,_fnAdjustColumnSizing:X,_fnVisibleToColumnIndex:la,_fnColumnIndexToVisible:$,_fnVisbleColumns:aa,_fnGetColumns:Z,_fnColumnTypes:Ha,_fnApplyColumnDefs:ib,_fnHungarianMap:W,_fnCamelToHungarian:H,_fnLanguageCompat:P,_fnBrowserDetect:gb,_fnAddData:K,_fnAddTr:ma,_fnNodeToDataIndex:function(a,b){return b._DT_RowIndex!==k?b._DT_RowIndex:
+null},_fnNodeToColumnIndex:function(a,b,c){return h.inArray(c,a.aoData[b].anCells)},_fnGetCellData:x,_fnSetCellData:Ia,_fnSplitObjNotation:Ka,_fnGetObjectDataFn:R,_fnSetObjectDataFn:S,_fnGetDataMaster:La,_fnClearTable:oa,_fnDeleteIndex:pa,_fnInvalidate:ca,_fnGetRowElements:na,_fnCreateTr:Ja,_fnBuildHead:jb,_fnDrawHead:ea,_fnDraw:M,_fnReDraw:N,_fnAddOptionsHtml:mb,_fnDetectHeader:da,_fnGetUniqueThs:qa,_fnFeatureHtmlFilter:ob,_fnFilterComplete:fa,_fnFilterCustom:xb,_fnFilterColumn:wb,_fnFilter:vb,_fnFilterCreateSearch:Qa,
+_fnEscapeRegex:va,_fnFilterData:yb,_fnFeatureHtmlInfo:rb,_fnUpdateInfo:Bb,_fnInfoMacros:Cb,_fnInitialise:ga,_fnInitComplete:ta,_fnLengthChange:Ra,_fnFeatureHtmlLength:nb,_fnFeatureHtmlPaginate:sb,_fnPageChange:Ta,_fnFeatureHtmlProcessing:pb,_fnProcessingDisplay:C,_fnFeatureHtmlTable:qb,_fnScrollDraw:Y,_fnApplyToChildren:G,_fnCalculateColumnWidths:Ga,_fnThrottle:ua,_fnConvertToWidth:Db,_fnScrollingWidthAdjust:Fb,_fnGetWidestNode:Eb,_fnGetMaxLenString:Gb,_fnStringToCss:s,_fnScrollBarWidth:Hb,_fnSortFlatten:U,
+_fnSort:lb,_fnSortAria:Jb,_fnSortListener:Ua,_fnSortAttachListener:Oa,_fnSortingClasses:xa,_fnSortData:Ib,_fnSaveState:ya,_fnLoadState:Kb,_fnSettingsFromNode:za,_fnLog:I,_fnMap:E,_fnBindAction:Va,_fnCallbackReg:z,_fnCallbackFire:w,_fnLengthOverflow:Sa,_fnRenderer:Pa,_fnDataSource:B,_fnRowAttributes:Ma,_fnCalculateEnd:function(){}});h.fn.dataTable=m;h.fn.dataTableSettings=m.settings;h.fn.dataTableExt=m.ext;h.fn.DataTable=function(a){return h(this).dataTable(a).api()};h.each(m,function(a,b){h.fn.DataTable[a]=
+b});return h.fn.dataTable};"function"===typeof define&&define.amd?define("datatables",["jquery"],P):"object"===typeof exports?module.exports=P(require("jquery")):jQuery&&!jQuery.fn.dataTable&&P(jQuery)})(window,document);

Node
{name} ({xferaddr})	{name} ({xferaddr})	{#helper_relative_time value="{lastContact}"/}	@@ -315,18 +316,18 @@	{numBlocks}	{blockPoolUsed\|fmt_bytes} ({blockPoolUsedPercent\|fmt_percentage})	{blockPoolUsed\|fmt_bytes} ({blockPoolUsedPercent\|fmt_percentage})	{version}
{name} ({xferaddr})	{name} ({xferaddr})	{#helper_relative_time value="{lastContact}"/}	-	-	-	-