web/index.html

   1 <!DOCTYPE html>
   2 <html lang="en">
   3 <head>
   4         <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
   5     <meta charset="utf-8">
   6     <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
   7     <meta name="viewport" content="width=device-width, initial-scale=1">
   8     <meta name="apple-mobile-web-app-capable" content="yes">
   9     <meta name="apple-mobile-web-app-status-bar-style" content="black-translucent">
  10     <meta name="description" content="">
  11     <meta name="author" content="costa@tsaousis.gr">
  12
  13         <title>NetData</title>
  14
  15         <!-- Google AJAX API -->
  16         <script type="text/javascript" src="https://www.google.com/jsapi"></script>
  17         <script src="//ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
  18
  19         <!-- Bootstrap -->
  20         <link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css">
  21         <!-- <link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap-theme.min.css"> -->
  22         <script src="//netdna.bootstrapcdn.com/bootstrap/3.1.1/js/bootstrap.min.js"></script>
  23         <link href="/file/theme.css" rel="stylesheet">
  24
  25         <!-- NetData -->
  26         <script type="text/javascript" src="/file/netdata.js"></script>
  27         <script type="text/javascript" src="/file/jquery.visible.js"></script>
  28         <script type="text/javascript">
  29
  30         // Set a callback to run when the Google Visualization API is loaded.
  31         google.setOnLoadCallback(initCharts);
  32
  33         var TARGET_THUMB_GRAPH_WIDTH = 500;             // thumb charts width will range from 0.5 to 1.5 of that
  34         var MINIMUM_THUMB_GRAPH_WIDTH = 400;    // thumb chart will generally try to be wider than that
  35         var TARGET_THUMB_GRAPH_HEIGHT = 220;    // the height of the thumb charts
  36         var THUMBS_MAX_TIME_TO_SHOW = 600;              // how much time the thumb charts will present?
  37
  38         var MAINCHART_MAX_TIME_TO_SHOW = 600;   // how much time the main chart will present by default?
  39         var MAINCHART_POINTS_DIVISOR = 10;              // how much detailed will the main chart be by default? 1 = finest, higher is faster
  40         var MAINCHART_CONTROL_HEIGHT = 75;              // how tall the control chart will be
  41         var MAINCHART_CONTROL_DIVISOR = 2;              // how much detailed will the control chart be? 1 = finest, higher is faster
  42
  43         var MODE_THUMBS = 1;
  44         var MODE_MAIN = 2;
  45         var MODE_GROUP_THUMBS = 3;
  46         var mode; // one of the MODE_* values
  47
  48         var mycharts = new Array();
  49         var mainchart;
  50
  51         // html for the main menu
  52         var mainmenu = "";
  53
  54
  55         // ------------------------------------------------------------------------
  56         // common HTML generation
  57
  58         function chartIsLoadingHTML(name, width, height) { return "<table><tr><td align=\"center\" width=\"" + width + "\" height=\"" + height + "\" style=\"vertical-align:middle\"><h4><span class=\"glyphicon glyphicon-refresh\"></span><br/><br/>loading " + name + "<br/><br/><span class=\"label label-default\">Please wait...</span></h4></td></tr></table>"; }
  59
  60         function showChartIsLoading(id, name, width, height) {
  61                 //mylog('adding loading chart html in div with id ' + id);
  62                 document.getElementById(id).innerHTML = chartIsLoadingHTML(name, width, height);
  63         }
  64
  65         function thumbChartActions(i, c, nogroup) {
  66                 var name = c.name;
  67                 if(!nogroup) name = c.group_tag;
  68
  69                 var refinfo = "the chart is drawing ";
  70                 if(c.group == 1) refinfo += "every single point collected.";
  71                 else refinfo += ((c.group_method == "average")?"the average":"the max") + " value for every " + (c.group * c.update_every) + " seconds of data";
  72
  73                 var html = "<div class=\"btn-group btn-group\" data-toggle=\"tooltip\" title=\"" + refinfo + "\">"
  74                 +               "<button type=\"button\" class=\"btn btn-default\" onclick=\"javascript: return;\"><span class=\"glyphicon glyphicon-info-sign\"></span></button>"
  75                 +       "</div>"
  76                 +       "<div class=\"btn-group btn-group\"><button type=\"button\" class=\"btn btn-default disabled\"><small>&nbsp;&nbsp; " + name + "</small></button>";
  77
  78                 if(!nogroup) {
  79                         var ingroup = 0;
  80                         var ingroup_detail = 0;
  81
  82                         $.each(mycharts, function(i, d) {
  83                                 if(d.group_tag == c.group_tag) {
  84                                         ingroup++;
  85                                         if(d.isdetail) ingroup_detail++;
  86                                 }
  87                         });
  88
  89                         var hidden = "";
  90                         if(ingroup_detail) hidden = ", including " + ingroup_detail + " charts not shown now";
  91
  92                         html += "<button type=\"button\" data-toggle=\"tooltip\" title=\"Show all " + ingroup + " charts in group '" + c.group_tag + "'" + hidden + "\" class=\"btn btn-default\" onclick=\"initGroupGraphs('" + c.group_tag +"');\"><span class=\"glyphicon glyphicon-th-large\"></span></button>";
  93                 }
  94
  95                 html += "<button type=\"button\" data-toggle=\"tooltip\" title=\"show chart '" + c.name + "' in fullscreen\" class=\"btn btn-default\" onclick=\"initMainChartIndex(" + i +");\"><span class=\"glyphicon glyphicon-resize-full\"></span></button>"
  96                 +               "<button type=\"button\" data-toggle=\"tooltip\" title=\"set options for chart '" + c.name + "'\" class=\"btn btn-default disabled\" onclick=\"alert('Not implemented yet!');\"><span class=\"glyphicon glyphicon-cog\"></span></button>"
  97                 +               "<button type=\"button\" data-toggle=\"tooltip\" title=\"ignore chart '" + c.name + "'\" class=\"btn btn-default\" onclick=\"disableChart(" + i + ");\"><span class=\"glyphicon glyphicon-trash\"></span></button>"
  98                 +       "</div>";
  99
 100                 return html;
 101         }
 102
 103         function mylog(txt) {
 104                 console.log(txt);
 105         }
 106
 107         function chartssort(a, b) {
 108                 if(a.userpriority < b.userpriority) return -1;
 109                 return 1;
 110         }
 111
 112
 113         // ------------------------------------------------------------------------
 114         // MAINGRAPH = fullscreen view of 1 graph
 115
 116         function calculateChartGroup(c, divisor, maxtime, group) {
 117                 var before = c.before?c.before:new Date().getTime() / 1000;
 118                 var after = c.after?c.after:c.first_entry_t;
 119
 120                 var dt = before - after;
 121                 if(dt > c.entries * c.update_every) dt = c.entries * c.update_every;
 122
 123                 if(maxtime) dt = maxtime;
 124
 125                 var data_points = Math.round(dt / c.update_every);
 126                 var screen_points = Math.round(c.chartOptions.width / divisor);
 127                 //mylog('screen = ' + screen_points + ', data = ' + data_points + ', divisor = ' + divisor);
 128
 129                 if(group <= 0) {
 130                         if(screen_points > data_points) {
 131                                 c.group = 1;
 132                                 c.points_to_show = data_points;
 133                                 //mylog("rendering at full detail");
 134                         }
 135                         else {
 136                                 c.group = Math.round(data_points / screen_points);
 137
 138                                 if(group >= 0) {
 139                                              if(c.group > 60) c.group = 60;
 140                                         else if(c.group > 45) c.group = 45;
 141                                         else if(c.group > 30) c.group = 30;
 142                                         else if(c.group > 20) c.group = 20;
 143                                         else if(c.group > 15) c.group = 15;
 144                                         else if(c.group > 10) c.group = 10;
 145                                         else if(c.group > 5) c.group = 5;
 146                                         else if(c.group > 2) c.group = 2;
 147                                         else c.group = 1;
 148                                 }
 149
 150                                 c.points_to_show = Math.round(data_points / c.group);
 151                                 //mylog("rendering adaptive");
 152                         }
 153                 }
 154                 else {
 155                         c.group = group;
 156                         c.points_to_show = Math.round(data_points / group);
 157                         //mylog("rendering with given group");
 158                 }
 159                 //mylog('group = ' + c.group + ', points = ' + c.points_to_show);
 160
 161                 if(mainchart.chartType == 'LineChart') {
 162                         if(mainchart.group <= 2) mainchart.chartOptions.lineWidth = 1;
 163                         else mainchart.chartOptions.lineWidth = 2;
 164                 }
 165         }
 166
 167         // copy the chart c to mainchart
 168         // switch to main graphs screen
 169         function initMainChart(c) {
 170                 if(mainchart) cleanThisChart(mainchart);
 171
 172                 mainchart = $.extend(true, {}, c);
 173                 mainchart.refreshCount = 0;
 174                 mainchart.last_updated = 0;
 175                 mainchart.chartOptions.explorer = null;
 176                 mainchart.chart = null;
 177
 178                 mainchart.chartOptions.width = screenWidth();
 179                 mainchart.chartOptions.height = $(window).height() - 150 - MAINCHART_CONTROL_HEIGHT;
 180                 if(mainchart.chartOptions.height < 300) mainchart.chartOptions.height = 300;
 181                 //mainchart.chartOptions.chartArea = {'width': '80%'};
 182
 183                 mainchart.div = 'maingraph';
 184                 calculateChartGroup(mainchart, MAINCHART_POINTS_DIVISOR, MAINCHART_MAX_TIME_TO_SHOW, 0);
 185
 186                 // copy it to the hidden chart
 187                 mainchart.hiddenchart = $.extend(true, {}, mainchart);
 188                 mainchart.hiddenchart.chartOptions.height = MAINCHART_CONTROL_HEIGHT;
 189                 mainchart.hiddenchart.div = 'maingraph_control';
 190
 191                 // initialize the div
 192                 showChartIsLoading(mainchart.div, mainchart.name, mainchart.chartOptions.width, mainchart.chartOptions.height);
 193
 194                 // set the radio buttons
 195                 setMainChartGroupMethod(mainchart.group_method, 'no-refresh');
 196                 setMainChartMax('normal');
 197
 198                 $('#group' + mainchart.group).trigger('click');
 199                 setMainChartGroup(mainchart.group, 'no-refresh');
 200
 201                 switchToMainGraph();
 202         }
 203
 204         function refreshHiddenChart(doNext) {
 205                 if(refresh_mode == REFRESH_PAUSED && mainchart.hiddenchart.last_updated != 0) {
 206                         if(typeof doNext == "function") doNext();
 207                         return;
 208                 }
 209
 210                 // is it too soon for a refresh?
 211                 var now = new Date().getTime();
 212                 if((now - mainchart.hiddenchart.last_updated) < (mainchart.hiddenchart.group * mainchart.hiddenchart.update_every * 1000)) {
 213                         if(typeof doNext == "function") doNext();
 214                         return;
 215                 }
 216
 217                 if(mainchart.dashboard && mainchart.hiddenchart.refreshCount > 50) {
 218                         mainchart.dashboard.clear();
 219                         mainchart.control_wrapper.clear();
 220                         mainchart.hidden_wrapper.clear();
 221
 222                         mainchart.dashboard = null;
 223                         mainchart.control_wrapper = null;
 224                         mainchart.hidden_wrapper = null;
 225                 }
 226
 227                 if(!mainchart.dashboard) {
 228                         var controlopts = $.extend(true, {}, mainchart.chartOptions, {
 229                                 lineWidth: 1,
 230                                 height: mainchart.hiddenchart.chartOptions.height,
 231                                 chartArea: {'width': '98%'},
 232                                 hAxis: {'baselineColor': 'none'},
 233                                 vAxis: {'title': null},
 234                         });
 235
 236                         mainchart.dashboard = new google.visualization.Dashboard(document.getElementById('maingraph_dashboard'));
 237                         mainchart.control_wrapper = new google.visualization.ControlWrapper({
 238                                 controlType: 'ChartRangeFilter',
 239                                 containerId: 'maingraph_control',
 240                                 options: {
 241                                         filterColumnIndex: 0,
 242                                         ui: {
 243                                                 chartType: mainchart.chartType,
 244                                                 chartOptions: controlopts,
 245                                                 minRangeSize: (MAINCHART_MAX_TIME_TO_SHOW * 1000 * mainchart.update_every) / MAINCHART_POINTS_DIVISOR,
 246                                         }
 247                                 },
 248                         });
 249                         mainchart.hidden_wrapper = new google.visualization.ChartWrapper({
 250                                 chartType: mainchart.chartType,
 251                                 containerId: 'maingraph_hidden',
 252                                 options: {
 253                                         isStacked: mainchart.chartOptions.isStacked,
 254                                         width: mainchart.hiddenchart.chartOptions.width,
 255                                         height: mainchart.hiddenchart.chartOptions.height,
 256                                         //chartArea: {'height': '80%', 'width': '100%'},
 257                                         //hAxis: {'slantedText': false},
 258                                         //legend: {'position': 'none'}
 259                                 },
 260                         });
 261
 262                         mainchart.hiddenchart.refreshCount = 0;
 263                 }
 264
 265                 // load the data for the control and the hidden wrappers
 266                 // calculate the group and points to show for the control chart
 267                 calculateChartGroup(mainchart.hiddenchart, MAINCHART_CONTROL_DIVISOR, 0, -1);
 268
 269                 $.ajax({
 270                         url: generateChartURL(mainchart.hiddenchart),
 271                         dataType:"json",
 272                         cache: false
 273                 })
 274                 .done(function(jsondata) {
 275                         if(!jsondata || jsondata.length == 0) return;
 276
 277                         mainchart.control_data = new google.visualization.DataTable(jsondata);
 278
 279                         if(mainchart.hiddenchart.last_updated == 0) {
 280                                 google.visualization.events.addListener(mainchart.control_wrapper, 'ready', mainchartControlReadyEvent);
 281                                 mainchart.dashboard.bind(mainchart.control_wrapper, mainchart.hidden_wrapper);
 282                         }
 283                         if(refresh_mode != REFRESH_PAUSED)
 284                                 mainchart.control_wrapper.setState({range: {
 285                                         start: new Date((Math.round(new Date().getTime() / 1000) - MAINCHART_MAX_TIME_TO_SHOW) * 1000),
 286                                         end: new Date()
 287                                 }});
 288
 289                         mainchart.dashboard.draw(mainchart.control_data);
 290                         mainchart.hiddenchart.last_updated = new Date().getTime();
 291                         mainchart.hiddenchart.refreshCount++;
 292                 })
 293                 .always(function() {
 294                         if(typeof doNext == "function") doNext();
 295                 });
 296         }
 297
 298         function mainchartControlReadyEvent() {
 299                 google.visualization.events.addListener(mainchart.control_wrapper, 'statechange', mainchartControlStateHandler);
 300                 //mylog(mainchart);
 301         }
 302
 303         function mainchartControlStateHandler() {
 304                 // setMainChartPlay('pause');
 305
 306                 var state = mainchart.control_wrapper.getState();
 307                 mainchart.after = Math.round(state.range.start.getTime() / 1000);
 308                 mainchart.before = Math.round(state.range.end.getTime() / 1000);
 309
 310                 calculateChartGroup(mainchart, MAINCHART_POINTS_DIVISOR, 0, 0);
 311                 //mylog('group = ' + mainchart.group + ', points_to_show = ' + mainchart.points_to_show + ', dt = ' + (mainchart.before - mainchart.after));
 312
 313                 $('#group' + mainchart.group).trigger('click');
 314                 mainchart.last_updated = 0;
 315
 316                 if(refresh_mode != REFRESH_PAUSED) pauseGraphs();
 317         }
 318
 319         function initMainChartIndex(i) {
 320                 if(mode == MODE_GROUP_THUMBS)
 321                         initMainChart(group_charts[i]);
 322
 323                 else if(mode == MODE_THUMBS)
 324                         initMainChart(mycharts[i]);
 325         }
 326
 327         var last_main_chart_max='normal';
 328         function setMainChartMax(m) {
 329                 if(!mainchart) return;
 330
 331                 if(m == 'toggle') {
 332                         if(last_main_chart_max == 'maximized') m = 'normal';
 333                         else m = 'maximized';
 334                 }
 335
 336                 if(m == "maximized") {
 337                         mainchart.chartOptions.theme = 'maximized';
 338                         //mainchart.chartOptions.axisTitlesPosition = 'in';
 339                         //mainchart.chartOptions.legend = {position: 'none'};
 340                         //mainchart.chartOptions.hAxis.title = null;
 341                         mainchart.chartOptions.hAxis.viewWindowMode = 'maximized';
 342                         mainchart.chartOptions.vAxis.viewWindowMode = 'maximized';
 343                 }
 344                 else {
 345                         mainchart.chartOptions.theme = null;
 346                         mainchart.chartOptions.hAxis.viewWindowMode = null;
 347                         mainchart.chartOptions.vAxis.viewWindowMode = null;
 348                 }
 349                 $('.mainchart_max_button').button(m);
 350                 last_main_chart_max = m;
 351                 mainchart.last_updated = 0;
 352         }
 353
 354         function setMainChartGroup(g, norefresh) {
 355                 if(!mainchart) return;
 356
 357                 mainchart.group = g;
 358
 359                 if(!mainchart.before && !mainchart.after)
 360                         calculateChartGroup(mainchart, MAINCHART_POINTS_DIVISOR, MAINCHART_MAX_TIME_TO_SHOW, mainchart.group);
 361                 else
 362                         calculateChartGroup(mainchart, MAINCHART_POINTS_DIVISOR, 0, mainchart.group);
 363
 364                 if(!norefresh) {
 365                         mainchart.last_updated = 0;
 366                 }
 367         }
 368
 369         var last_main_chart_avg = null;
 370         function setMainChartGroupMethod(g, norefresh) {
 371                 if(!mainchart) return;
 372
 373                 if(g == 'toggle') {
 374                         if(last_main_chart_avg == 'max') g = 'average';
 375                         else g = 'max';
 376                 }
 377
 378                 mainchart.group_method = g;
 379
 380                 $('.mainchart_avg_button').button(g);
 381
 382                 if(!norefresh) {
 383                         mainchart.last_updated = 0;
 384                 }
 385
 386                 last_main_chart_avg = g;
 387         }
 388
 389         function setMainChartPlay(p) {
 390                 if(!mainchart) return;
 391
 392                 if(p == 'toggle') {
 393                         if(refresh_mode != REFRESH_ALWAYS) p = 'play';
 394                         else p = 'pause';
 395                 }
 396
 397                 if(p == 'play') {
 398                         //mainchart.chartOptions.explorer = null;
 399                         mainchart.after = 0;
 400                         mainchart.before = 0;
 401                         calculateChartGroup(mainchart, MAINCHART_POINTS_DIVISOR, MAINCHART_MAX_TIME_TO_SHOW, 0);
 402                         $('#group' + mainchart.group).trigger('click');
 403                         mainchart.last_updated = 0;
 404                         mainchart.hiddenchart.last_updated = 0;
 405                         playGraphs();
 406                 }
 407                 else {
 408                         //mainchart.chartOptions.explorer = {
 409                         //      'axis': 'horizontal',
 410                         //      'maxZoomOut': 1,
 411                         //};
 412                         //mainchart.last_updated = 0;
 413
 414                         //if(!refreshChart(mainchart, pauseGraphs))
 415                         pauseGraphs();
 416                 }
 417         }
 418
 419
 420         // ------------------------------------------------------------------------
 421         // Chart resizing
 422
 423         function screenWidth() {
 424                 return (($(window).width() * 0.95) - 50);
 425         }
 426
 427         // calculate the proper width for the thumb charts
 428         function thumbWidth() {
 429                 var cwidth = screenWidth();
 430                 var items = Math.round(cwidth / TARGET_THUMB_GRAPH_WIDTH);
 431                 if(items < 1) items = 1;
 432
 433                 if(items > 1 && (cwidth / items) < MINIMUM_THUMB_GRAPH_WIDTH) items--;
 434
 435                 return Math.round(cwidth / items) - 1;
 436         }
 437
 438         function groupChartSizes() {
 439                 var s = { width: screenWidth() / 2, height: ($(window).height() - 130) / 3 - 10};
 440                 if(s.width < MINIMUM_THUMB_GRAPH_WIDTH * 1.5) s.width = screenWidth();
 441
 442                 var count = 0;
 443                 if(group_charts) $.each(group_charts, function(i, c) {
 444                         if(c.enabled) count++;
 445                 });
 446
 447                 if(count == 0) {
 448                         s.width = TARGET_THUMB_GRAPH_WIDTH;
 449                         s.height = TARGET_THUMB_GRAPH_HEIGHT;
 450                 }
 451                 if(count < 4) {
 452                         s.width = screenWidth();
 453                         s.height = ($(window).height() - 130) / count - 10;
 454                 }
 455                 else if(count == 4) {
 456                         s.height = ($(window).height() - 130) / 2 - 10;
 457                 }
 458
 459                 if(s.height < TARGET_THUMB_GRAPH_HEIGHT * 1.5)
 460                         s.height = TARGET_THUMB_GRAPH_HEIGHT * 1.5;
 461
 462                 return s;
 463         }
 464
 465         // resize all charts
 466         // if the thumb charts need resize in their width, reset them
 467         function resizeCharts() {
 468                 var width = screenWidth();
 469
 470                 if(mainchart) {
 471                         mainchart.chartOptions.width = width;
 472                         mainchart.chartOptions.height = $(window).height() - 150 - MAINCHART_CONTROL_HEIGHT;
 473                         mainchart.last_updated = 0;
 474
 475                         mainchart.hidden_wrapper.setOption('width', width);
 476                         mainchart.control_wrapper.setOption('ui.chartOptions.width', width);
 477                         mainchart.hiddenchart.chartOptions.width = width;
 478                         mainchart.hiddenchart.last_updated = 0;
 479                 }
 480
 481                 width = thumbWidth();
 482                 $.each(mycharts, function(i, c) {
 483                         if(c.enabled && c.chartOptions.width != width) {
 484                                 cleanThisChart(c);
 485                                 c.chartOptions.width = width;
 486                                 showChartIsLoading(c.div, c.name, c.chartOptions.width, c.chartOptions.height);
 487                                 c.last_updated = 0;
 488                         }
 489                 });
 490
 491                 if(group_charts) $.each(group_charts, function(i, c) {
 492                         var sizes = groupChartSizes();
 493
 494                         if(c.enabled && (c.chartOptions.width != sizes.width || c.chartOptions.height != sizes.height)) {
 495                                 cleanThisChart(c);
 496                                 c.chartOptions.width = sizes.width;
 497                                 c.chartOptions.height = sizes.height;
 498                                 showChartIsLoading(c.div, c.name, c.chartOptions.width, c.chartOptions.height);
 499                                 c.last_updated = 0;
 500                         }
 501                 });
 502         }
 503
 504         var resize_request = false;
 505         window.onresize = function(event) {
 506                 resize_request = true;
 507         };
 508
 509
 510         // ------------------------------------------------------------------------
 511         // Core of the thread refreshing the charts
 512
 513         var REFRESH_PAUSED = 0;
 514         var REFRESH_ALWAYS = 1;
 515
 516         var refresh_mode = REFRESH_PAUSED;
 517         var last_refresh = 0;
 518         function playGraphs() {
 519                 if(refresh_mode == REFRESH_ALWAYS) return;
 520
 521                 //mylog('PlayGraphs()');
 522                 refresh_mode = REFRESH_ALWAYS;
 523                 $('.mainchart_play_button').button('play');
 524
 525                 // check if the thread died due to a javascript error
 526                 var now = new Date().getTime();
 527                 if((now - last_refresh) > 5000) {
 528                         // it died or never started
 529                         //mylog('It seems the refresh thread died. Restarting it.');
 530                         chartsRefresh();
 531                 }
 532         }
 533
 534         function pauseGraphs() {
 535                 if(refresh_mode == REFRESH_PAUSED) return;
 536
 537                 //mylog('PauseGraphs()');
 538                 refresh_mode = REFRESH_PAUSED;
 539                 $('.mainchart_play_button').button('pause');
 540         }
 541
 542         // refresh the proper chart
 543         // this is an internal function.
 544         // never call it directly, or new javascript threads will be spawn
 545         var timeout;
 546         function chartsRefresh() {
 547                 if(resize_request) {
 548                         resizeCharts();
 549                         resize_request = false;
 550                         // refresh_mode = REFRESH_ALWAYS;
 551                 }
 552
 553                 last_refresh = new Date().getTime();
 554
 555                 if(refresh_mode == REFRESH_PAUSED) {
 556                         if(mode == MODE_MAIN && mainchart.last_updated == 0)
 557                                 mainChartRefresh();
 558                         else
 559                                 timeout = setTimeout(chartsRefresh, 500);
 560
 561                         return;
 562                 }
 563
 564                      if(mode == MODE_THUMBS)            thumbChartsRefresh();
 565                 else if(mode == MODE_GROUP_THUMBS)  groupChartsRefresh();
 566                 else if(mode == MODE_MAIN)              mainChartRefresh();
 567                 else                                    timeout = setTimeout(triggerRefresh, 500);
 568         }
 569
 570         // callback for refreshing the charts later
 571         // this is an internal function.
 572         // never call it directly, or new javascript threads will be spawn
 573         function triggerRefresh() {
 574                 //mylog('triggerRefresh()');
 575
 576                 // cleanup has to take place when the charts are not refreshed
 577                 // since the refreshing thread is in this function, it means
 578                 // nothing is being refreshed.
 579                 cleanupCharts();
 580
 581                      if(mode == MODE_THUMBS)            timeout = setTimeout(chartsRefresh, 200);
 582                 else if(mode == MODE_GROUP_THUMBS)      timeout = setTimeout(chartsRefresh, 200);
 583                 else if(mode == MODE_MAIN)              timeout = setTimeout(chartsRefresh, 200);
 584                 else                                    timeout = setTimeout(triggerRefresh, 500);
 585         }
 586
 587         // refresh the main chart
 588         // make sure we don't loose the refreshing thread
 589         function mainChartRefresh() {
 590                 //mylog('mainChartRefresh()');
 591
 592                 if(mode != MODE_MAIN || !mainchart) {
 593                         triggerRefresh();
 594                         return;
 595                 }
 596
 597                 if(!refreshChart(mainchart, hiddenChartRefresh))
 598                         hiddenChartRefresh();
 599         }
 600
 601         function hiddenChartRefresh() {
 602                 refreshHiddenChart(triggerRefresh);
 603         }
 604
 605         function roundRobinRefresh(charts, startat) {
 606                 var refreshed = false;
 607
 608                 // find a chart to refresh
 609                 var all = charts.length;
 610                 var cur = startat;
 611                 var count = 0;
 612
 613                 for(count = 0; count < all ; count++, cur++) {
 614                         if(cur >= all) cur = 0;
 615
 616                         if(charts[cur].enabled) {
 617                                 //mylog('going to refresh chart ' + charts[cur].name);
 618                                 refreshed = refreshChart(charts[cur], chartsRefresh);
 619                                 if(refreshed) break;
 620                         }
 621                 }
 622
 623                 if(!refreshed) triggerRefresh();
 624                 return cur;
 625         }
 626
 627         // refresh the thumb charts
 628         // make sure we don't loose the refreshing thread
 629         var last_thumb_updated = 0;
 630         function thumbChartsRefresh() {
 631                 //mylog('thumbChartsRefresh()');
 632
 633                 if(mycharts.length == 0 || mode != MODE_THUMBS) {
 634                         triggerRefresh();
 635                         return;
 636                 }
 637
 638                 last_thumb_updated = roundRobinRefresh(mycharts, last_thumb_updated);
 639         }
 640
 641         // refresh the group charts
 642         // make sure we don't loose the refreshing thread
 643         var last_group_updated = 0;
 644         function groupChartsRefresh() {
 645                 //mylog('groupChartsRefresh()');
 646
 647                 if(!group_charts || group_charts.length == 0 || mode != MODE_GROUP_THUMBS) {
 648                         //mylog('cannot refresh charts');
 649                         triggerRefresh();
 650                         return;
 651                 }
 652
 653                 last_group_updated = roundRobinRefresh(group_charts, last_group_updated);
 654         }
 655
 656
 657         // ------------------------------------------------------------------------
 658         // switch the screen between views
 659         // these should be called only from initXXXX()
 660
 661         function disableChart(i) {
 662                 //mylog('disableChart(' + i + ')');
 663
 664                 var chart = null;
 665
 666                 var count = 0;
 667                 if(mode == MODE_GROUP_THUMBS && group_charts) {
 668                         $.each(group_charts, function(i, c) {
 669                                 if(c.enabled) count++;
 670                         });
 671
 672                         if(i < group_charts.length) chart = group_charts[i];
 673                 }
 674                 else if(mode == MODE_THUMBS) {
 675                         $.each(mycharts, function(i, c) {
 676                                 if(c.enabled) count++;
 677                         });
 678
 679                         if(i < mycharts.length) chart = mycharts[i];
 680                 }
 681
 682                 if(!chart) return;
 683
 684                 if(count <= 1) {
 685                         alert('Cannot close the last chart shown.');
 686                         return;
 687                 }
 688
 689                 if(chart) {
 690                         //mylog("disabling chart " + chart.name);
 691                         chart.disablethisplease = true;
 692                 }
 693         }
 694
 695         function cleanThisChart(chart, emptydivs) {
 696                 //mylog('cleanThisChart(' + chart.name + ', ' + emptydivs +')');
 697
 698                 if(chart.dashboard) {
 699                         chart.dashboard.clear();
 700                         chart.dashboard = null;
 701
 702                         if(chart.control_wrapper) {
 703                                 chart.control_wrapper.clear();
 704                                 chart.control_wrapper = null;
 705                         }
 706
 707                         if(chart.hidden_wrapper) {
 708                                 chart.hidden_wrapper.clear();
 709                                 chart.hidden_wrapper = null;
 710                         }
 711
 712                         chart.control_data = null;
 713                 }
 714
 715                 if(chart.chart) chart.chart.clearChart();
 716                 chart.chart = null;
 717
 718                 if(emptydivs) {
 719                         var div = document.getElementById(chart.div);
 720                         if(div) {
 721                                 div.style.display = 'none';
 722                                 div.innerHTML = "";
 723                         }
 724
 725                         div = document.getElementById(chart.div + "_parent");
 726                         if(div) {
 727                                 div.style.display = 'none';
 728                                 div.innerHTML = "";
 729                         }
 730                 }
 731
 732                 //mylog("chart " + chart.name + " cleaned with option " + emptydivs);
 733         }
 734
 735         // cleanup the previously shown charts
 736         function cleanupCharts() {
 737                 //mylog('cleanupCharts()');
 738
 739                 if(mode != MODE_MAIN && mainchart) {
 740                         if(mainchart.chart) cleanThisChart(mainchart);
 741                         mainchart = null;
 742                 }
 743
 744                 if(mode != MODE_GROUP_THUMBS && group_charts) {
 745                         clearGroupGraphs();
 746                 }
 747
 748                 // cleanup the disabled charts
 749                 $.each(mycharts, function(i, c) {
 750                         if(c.disablethisplease && c.enabled) {
 751                                 cleanThisChart(c, 'emptydivs');
 752                                 c.disablethisplease = false;
 753                                 c.enabled = false;
 754                                 resize_request = true;
 755                                 //mylog("disabled chart " + c.name + " removed");
 756                         }
 757                 });
 758
 759                 if(group_charts) $.each(group_charts, function(i, c) {
 760                         if(c.disablethisplease && c.enabled) {
 761                                 cleanThisChart(c, 'emptydivs');
 762                                 c.disablethisplease = false;
 763                                 c.enabled = false;
 764                                 resize_request = true;
 765                                 //mylog("disabled chart " + c.name + " removed");
 766                         }
 767                 });
 768
 769                 // we never cleanup the thumb charts
 770         }
 771
 772         function updateUI() {
 773                 $('[data-toggle="tooltip"]').tooltip({'placement': 'top', 'container': 'body', 'html': true});
 774
 775                 $('[data-spy="scroll"]').each(function () {
 776                         var $spy = $(this).scrollspy('refresh')
 777                 })
 778         }
 779
 780         var thumbsScrollPosition = null;
 781         function switchToMainGraph() {
 782                 //mylog('switchToMainGraph()');
 783
 784                 if(!mainchart) return;
 785
 786                 if(!group_charts) thumbsScrollPosition = window.pageYOffset;
 787
 788                 document.getElementById('maingraph_container').style.display = 'block';
 789                 document.getElementById('thumbgraphs_container').style.display = 'none';
 790                 document.getElementById('groupgraphs_container').style.display = 'none';
 791
 792                 document.getElementById("main_menu_div").innerHTML = "<ul class=\"nav navbar-nav\"><li><a href=\"javascript:switchToThumbGraphs();\">Back to Home</a></li><li class=\"active\"><a href=\"#\">" + mainchart.title + "</a></li></ul>";
 793
 794                 window.scrollTo(0, 0);
 795
 796                 mode = MODE_MAIN;
 797                 playGraphs();
 798                 updateUI();
 799         }
 800
 801         function switchToThumbGraphs() {
 802                 //mylog('switchToThumbGraphs()');
 803
 804                 document.getElementById('maingraph_container').style.display = 'none';
 805                 document.getElementById('thumbgraphs_container').style.display = 'block';
 806                 document.getElementById('groupgraphs_container').style.display = 'none';
 807
 808                 document.getElementById("main_menu_div").innerHTML = mainmenu;
 809
 810                 if(thumbsScrollPosition) window.scrollTo(0, thumbsScrollPosition);
 811
 812                 // switch mode
 813                 mode = MODE_THUMBS;
 814                 playGraphs();
 815                 updateUI();
 816         }
 817
 818         function switchToGroupGraphs() {
 819                 //mylog('switchToGroupGraphs()');
 820
 821                 if(!group_charts) return;
 822
 823                 if(!mainchart) thumbsScrollPosition = window.pageYOffset;
 824
 825                 document.getElementById('maingraph_container').style.display = 'none';
 826                 document.getElementById('thumbgraphs_container').style.display = 'none';
 827                 document.getElementById('groupgraphs_container').style.display = 'block';
 828
 829                 document.getElementById("main_menu_div").innerHTML = "<ul class=\"nav navbar-nav\"><li><a href=\"javascript:switchToThumbGraphs();\">Back to Home</a></li><li class=\"active\"><a href=\"#\">" + group_charts[0].group_tag + " charts</a></li></ul>";
 830
 831                 window.scrollTo(0, 0);
 832
 833                 mode = MODE_GROUP_THUMBS;
 834                 playGraphs();
 835                 updateUI();
 836         }
 837
 838
 839         // ------------------------------------------------------------------------
 840         // Group Charts
 841
 842         var group_charts = null;
 843         function initGroupGraphs(group) {
 844                 var count = 0;
 845
 846                 if(group_charts) clearGroupGraphs();
 847                 group_charts = new Array();
 848
 849                 var groupbody = "";
 850                 $.each(mycharts, function(i, c) {
 851                         if(c.group_tag == group) {
 852                                 group_charts[count] = [];
 853                                 group_charts[count] = $.extend(true, {}, c);
 854                                 group_charts[count].div += "_group";
 855                                 group_charts[count].enabled = true;
 856                                 group_charts[count].chart = null;
 857                                 group_charts[count].last_updated = 0;
 858                                 count++;
 859                         }
 860                 });
 861                 group_charts.sort(chartssort);
 862
 863                 var sizes = groupChartSizes();
 864
 865                 var groupbody = "";
 866                 $.each(group_charts, function(i, c) {
 867                         c.chartOptions.width = sizes.width;
 868                         c.chartOptions.height = sizes.height;
 869
 870                         groupbody += "<div class=\"thumbgraph\" id=\"" + c.div + "_parent\"><table><tr><td><div class=\"thumbgraph\" id=\"" + c.div + "\">" + chartIsLoadingHTML(c.name, c.chartOptions.width, c.chartOptions.height) + "</div></td></tr><tr><td align=\"center\">" + thumbChartActions(i, c, 'nogroup') + "</td></tr></table></div>";
 871                 });
 872                 groupbody += "";
 873
 874                 document.getElementById("groupgraphs").innerHTML = groupbody;
 875                 switchToGroupGraphs();
 876         }
 877
 878         function clearGroupGraphs() {
 879                 if(group_charts && group_charts.length) {
 880                         $.each(group_charts, function(i, c) {
 881                                 cleanThisChart(c, 'emptydivs');
 882                         });
 883
 884                         group_charts = null;
 885                 }
 886
 887                 document.getElementById("groupgraphs").innerHTML = "";
 888         }
 889
 890
 891         // ------------------------------------------------------------------------
 892         // Global entry point
 893         // initialize the thumb charts
 894
 895         // load the charts from the server
 896         // generate html for the thumbgraphs to support them
 897         function initCharts() {
 898                 var width = thumbWidth();
 899                 var height = TARGET_THUMB_GRAPH_HEIGHT;
 900
 901                 loadCharts(null, function(c) {
 902                         mycharts = c;
 903
 904                         if(mycharts == null || mycharts.length == 0) {
 905                                 alert("Cannot load data from server.");
 906                                 return;
 907                         }
 908
 909                         var thumbsContainer = document.getElementById("thumbgraphs");
 910                         if(!thumbsContainer) {
 911                                 alert("Cannot find the thumbsContainer");
 912                                 return;
 913                         }
 914
 915                         mycharts.sort(chartssort);
 916
 917                         document.getElementById('hostname_id').innerHTML = mycharts[0].hostname;
 918                         document.title = mycharts[0].hostname;
 919
 920                         // create an array for grouping all same-type graphs together
 921                         var categories = new Array();
 922                         $.each(mycharts, function(i, c) {
 923                                 c.chartOptions.width = width;
 924                                 c.chartOptions.height = height;
 925
 926                                 // calculate how many point to show for each chart
 927                                 c.points_to_show = Math.round(c.entries / c.group) - 1;
 928
 929                                 // show max 10 mins of data
 930                                 if(c.points_to_show * c.group > THUMBS_MAX_TIME_TO_SHOW) c.points_to_show = THUMBS_MAX_TIME_TO_SHOW / c.group;
 931
 932                                 if(c.enabled) {
 933                                         var j;
 934                                         var h = "<div class=\"thumbgraph\" id=\"" + c.div + "_parent\"><table><tr><td><div class=\"thumbgraph\" id=\"" + c.div + "\">" + chartIsLoadingHTML(c.name, c.chartOptions.width, c.chartOptions.height) + "</div></td></tr><tr><td align=\"center\">"
 935                                         + thumbChartActions(i, c)
 936                                         +       "</td></tr></table></div>";
 937
 938                                         // find the categories object for this type
 939                                         for(j = 0; j < categories.length ;j++) {
 940                                                 if(categories[j].name == c.type) {
 941                                                         categories[j].html += h;
 942                                                         categories[j].count++;
 943                                                         break;
 944                                                 }
 945                                         }
 946
 947                                         if(j == categories.length) {
 948                                                 categories.push({name: c.type, title: c.category, description: '', priority: 0, count: 1, glyphicon: c.glyphicon, html: h});
 949                                         }
 950                                 }
 951                         });
 952
 953                         $.each(categories, function(i, a) {
 954                                      if(a.name == "system") a.priority = 1;
 955                                 else if(a.name == "net") a.priority = 2;
 956                                 else if(a.name == "tc") a.priority = 3;
 957                                 else if(a.name == "conntrack") a.priority = 4;
 958                                 else if(a.name == "ipvs") a.priority = 5;
 959                                 else if(a.name == "ipv4") a.priority = 6;
 960                                 else if(a.name == "cpu") a.priority = 7;
 961                                 else if(a.name == "mem") a.priority = 8;
 962                                 else if(a.name == "disk") a.priority = 9;
 963                                 else a.priority = 99;
 964
 965                                 a.html = "<tr><td id=\"" + a.name + "\"><ol class=\"breadcrumb graphs\"><li class=\"active\"><span class=\"glyphicon " + a.glyphicon + "\"></span> &nbsp; <a id=\"" + a.name + "\" href=\"#" + a.name + "\"><b>" + a.title + "</b> " + a.description + " </a></li></ol></td></tr><tr><td><div class=\"thumbgraphs\">" + a.html + "</td></tr>";
 966                         });
 967
 968                         function categoriessort(a, b) {
 969                                 if(a.priority < b.priority) return -1;
 970                                 return 1;
 971                         }
 972                         categories.sort(categoriessort);
 973
 974                         // combine all the htmls into one
 975                         var allcategories = "<table width=\"100%\">";
 976                         mainmenu = "<ul class=\"nav navbar-nav\"><li><a href=\"#\">Home</a></li>";
 977                         $.each(categories, function(i, a) {
 978                                 allcategories += a.html;
 979                                 mainmenu += "<li><a href=\"#" + a.name + "\">" + a.title + "</a></li>";
 980                         });
 981                         allcategories += "</table>";
 982                         mainmenu += "</ul>";
 983
 984                         thumbsContainer.innerHTML = allcategories;
 985                         switchToThumbGraphs();
 986                 });
 987         }
 988
 989         </script>
 990 </head>
 991
 992 <body role="document" data-spy="scroll" data-target="#main_menu_div">
 993     <nav id="mynav" class="navbar navbar-inverse navbar-fixed-top" role="navigation">
 994       <div class="container">
 995         <div class="navbar-header">
 996           <button type="button" class="navbar-toggle" data-toggle="collapse" data-target="#main_menu_div">
 997             <span class="sr-only">Toggle navigation</span>
 998             <span class="icon-bar"></span>
 999             <span class="icon-bar"></span>
1000             <span class="icon-bar"></span>
1001           </button>
1002           <a class="navbar-brand" href="javascript:switchToThumbGraphs();" id="hostname_id">NetData</a>
1003         </div>
1004         <div class="collapse navbar-collapse" id="main_menu_div">
1005           <ul class="nav navbar-nav">
1006             <li><a href="#">Home</a></li>
1007           </ul>
1008         </div><!--/.nav-collapse -->
1009       </div>
1010     </nav>
1011
1012     <div class="container graphs" id="maingraph_container" style="display: none">
1013                 <table>
1014                         <tr><td>
1015                         <div class="maingraph">
1016                                         <table>
1017                                                 <tr><td>
1018                                                 <div class="maingraph" id="maingraph"></div>
1019                                                 <div id="maingraph_dashboard">
1020                                                         <div class="maingraph" id="maingraph_hidden" style="display: none"></div>
1021                                                         <div class="maingraph" id="maingraph_control"></div>
1022                                                 </div>
1023                                                 </td></tr>
1024                                                 <tr><td align="center">
1025                                                         <div class="btn-group">
1026                                                                 <form id="mainchartform">
1027                                                                         <div class="btn-group btn-group" data-toggle="tooltip" title=" click <span class='glyphicon glyphicon-play'></span> to have the graph auto-refresh, or click <span class='glyphicon glyphicon-pause'></span> to pause the graph. When paused the graph can be zoomed and panned horizontally." >
1028                                                                                 <button type="button" class="btn btn-primary mainchart_play_button" data-play-text="<span class='glyphicon glyphicon-pause'></span>" data-pause-text="<span class='glyphicon glyphicon-play'></span>" onClick="setMainChartPlay('toggle');">
1029                                                                                         <span class="glyphicon glyphicon-pause"></span>
1030                                                                                 </button>
1031                                                                         </div>
1032                                                                         <div class="btn-group btn-group" data-toggle="tooltip" title="use the maximum ( <span class='glyphicon glyphicon-signal'></span> ) or the average ( <span class='glyphicon glyphicon-align-justify'></span> ) value of grouped points" >
1033                                                                                 <button type="button" class="btn btn-primary mainchart_avg_button" data-max-text="<span class='glyphicon glyphicon-signal'></span>" data-average-text="<span class='glyphicon glyphicon-align-justify'></span>" onClick="setMainChartGroupMethod('toggle');">
1034                                                                                         <span class="glyphicon glyphicon-signal"></span>
1035                                                                                 </button>
1036                                                                         </div>
1037 <!--                                                                    <div class="btn-group btn-group" data-toggle="buttons">
1038                                                                                 <label class="btn btn-primary" data-toggle="tooltip" title="show the MAX point among all points grouped">
1039                                                                                         <input type="radio" name="groupmethod" id="groupmax" onChange="setMainChartGroupMethod('max');">
1040                                                                                         <span class="glyphicon glyphicon-signal"></span>
1041                                                                                 </label>
1042                                                                                 <label class="btn btn-primary" data-toggle="tooltip" title="show the AVERAGE of all points grouped">
1043                                                                                         <input type="radio" name="groupmethod" id="groupaverage" onChange="setMainChartGroupMethod('average');">
1044                                                                                         <span class="glyphicon glyphicon-align-justify"></span>
1045                                                                                 </label>
1046                                                                         </div>
1047 -->                                                                     <div class="btn-group btn-group" data-toggle="buttons" >
1048                                                                                 <label class="btn btn-primary" data-toggle="tooltip" title="do not group points, show the raw data">
1049                                                                                         <input type="radio" name="group" id="group1" onChange="setMainChartGroup(1);">1
1050                                                                                 </label>
1051
1052                                                                                 <label class="btn btn-primary" data-toggle="tooltip" title="group in half, show 1 every 2 points of data">
1053                                                                                         <input type="radio" name="group" id="group2" onChange="setMainChartGroup(2);">2
1054                                                                                 </label>
1055
1056                                                                                 <label class="btn btn-primary" data-toggle="tooltip" title="group every 5 points of data">
1057                                                                                         <input type="radio" name="group" id="group5" onChange="setMainChartGroup(5);">5
1058                                                                                 </label>
1059                                                                                 <label class="btn btn-primary" data-toggle="tooltip" title="group every 10 points of data">
1060                                                                                         <input type="radio" name="group" id="group10" onChange="setMainChartGroup(10);">10
1061                                                                                 </label>
1062                                                                                 <label class="btn btn-primary" data-toggle="tooltip" title="group every 15 points of data">
1063                                                                                         <input type="radio" name="group" id="group15" onChange="setMainChartGroup(15);">15
1064                                                                                 </label>
1065                                                                                 <label class="btn btn-primary" data-toggle="tooltip" title="group every 20 points of data">
1066                                                                                         <input type="radio" name="group" id="group20" onChange="setMainChartGroup(20);">20
1067                                                                                 </label>
1068                                                                                 <label class="btn btn-primary" data-toggle="tooltip" title="group every 30 points of data">
1069                                                                                         <input type="radio" name="group" id="group30" onChange="setMainChartGroup(30);">30
1070                                                                                 </label>
1071                                                                                 <label class="btn btn-primary" data-toggle="tooltip" title="group every 45 points of data">
1072                                                                                         <input type="radio" name="group" id="group45" onChange="setMainChartGroup(45);">45
1073                                                                                 </label>
1074                                                                                 <label class="btn btn-primary" data-toggle="tooltip" title="group every 60 points of data">
1075                                                                                         <input type="radio" name="group" id="group60" onChange="setMainChartGroup(60);">60
1076                                                                                 </label>
1077                                                                         </div>
1078                                                                         <div class="btn-group btn-group" data-toggle="tooltip" title="maximized ( <span class='glyphicon glyphicon-fullscreen'></span> ) or normal ( <span class='glyphicon glyphicon-resize-small'></span> ) view of the graph" >
1079                                                                                 <button type="button" class="btn btn-primary mainchart_max_button" data-maximized-text="<span class='glyphicon glyphicon-resize-small'></span>" data-normal-text="<span class='glyphicon glyphicon-fullscreen'></span>" onClick="setMainChartMax('toggle');">
1080                                                                                         <span class="glyphicon glyphicon-fullscreen"></span>
1081                                                                                 </button>
1082                                                                         </div>
1083 <!--                                                                    <div class="btn-group btn-group" data-toggle="buttons" >
1084                                                                                 <label class="btn btn-primary" data-toggle="tooltip" title="NORMAL chart size">
1085                                                                                         <input type="radio" name="chartmax" id="chartnormal" onChange="setMainChartMax('normal');">
1086                                                                                         <span class="glyphicon glyphicon-resize-small"></span>
1087                                                                                 </label>
1088                                                                                 <label class="btn btn-primary" data-toggle="tooltip" title="MAXIMIZED chart size">
1089                                                                                         <input type="radio" name="chartmax" id="chartmax" onChange="setMainChartMax('maximized');">
1090                                                                                         <span class="glyphicon glyphicon-fullscreen"></span>
1091                                                                                 </label>
1092                                                                         </div>
1093 -->                                                             </form>
1094                                                         </div>
1095                                                         </td></tr>
1096                                         </table>
1097                            </div><!-- /.maingraph -->
1098                         </td></tr>
1099                 </table>
1100         </div>
1101
1102     <div class="container graphs" id="thumbgraphs_container">
1103         <div class="allgraphs" id="thumbgraphs">
1104                 <table width="100%">
1105                         <tr><td id="splash" align="center" style="vertical-align:middle">
1106                                 <h1>
1107                                 Welcome to <b>NetData</b>!
1108                                 <br/><br/>
1109                                 <span class="glyphicon glyphicon-off"></span>
1110                                 <br/><br/>
1111                                 loading charts
1112                                 <br/><br/>
1113                                 <span class="label label-default">Please wait...</span>
1114                                 </h1>
1115                         </td></tr>
1116                 </table>
1117         </div>
1118         </div>
1119
1120     <div class="container graphs" id="groupgraphs_container">
1121         <div class="allgraphs" id="groupgraphs">
1122         </div>
1123         </div>
1124
1125     <div class="container graphs" id="groupgraphs_container">
1126         &nbsp;<p/>
1127         <hr/>
1128     <h4>NetData</h4>
1129     Realtime System Information over the web for all linux systems.
1130     <p/>
1131     Distributed under GPL.
1132     <p/>
1133     (c) 2014 Costa Tsaousis <a href="mailto:costa@tsaousis.gr">costa@tsaousis.gr</a>
1134         </div>
1135
1136         <script type='text/javascript'>
1137                 google.load('visualization', '1.1', {packages: ['controls']});
1138
1139                 $(document).ready(function(){
1140                         document.getElementById('splash').height = $(window).height();
1141
1142                         $(document).on('click','.navbar-collapse.in',function(e) {
1143                                 if( $(e.target).is('a') ) {
1144                                         $(this).collapse('hide');
1145                                 }
1146                         });
1147
1148                         $('body').scrollspy({ target: '#main_menu_div' })
1149                 });
1150
1151         </script>
1152 </html>