modules/admin-full/luasrc/view/admin_status/connections.htm

   1 <%#
   2 LuCI - Lua Configuration Interface
   3 Copyright 2010 Jo-Philipp Wich <xm@subsignal.org>
   4
   5 Licensed under the Apache License, Version 2.0 (the "License");
   6 you may not use this file except in compliance with the License.
   7 You may obtain a copy of the License at
   8
   9         http://www.apache.org/licenses/LICENSE-2.0
  10
  11 -%>
  12
  13 <%+header%>
  14
  15 <script type="text/javascript" src="<%=resource%>/cbi.js"></script>
  16 <script type="text/javascript">//<![CDATA[
  17         var bwxhr = new XHR();
  18
  19         var G;
  20         var TIME  = 0;
  21         var UDP   = 1;
  22         var TCP   = 2;
  23         var OTHER = 3;
  24
  25         var width  = 760;
  26         var height = 300;
  27         var step   = 5;
  28
  29         var data_wanted = Math.floor(width / step);
  30         var data_fill   = 0;
  31         var data_stamp  = 0;
  32
  33         var data_udp = [ ];
  34         var data_tcp = [ ];
  35         var data_otr = [ ];
  36
  37         var line_udp;
  38         var line_tcp;
  39
  40         var label_25;
  41         var label_50;
  42         var label_75;
  43
  44         var label_udp_cur;
  45         var label_udp_avg;
  46         var label_udp_peak;
  47
  48         var label_tcp_cur;
  49         var label_tcp_avg;
  50         var label_tcp_peak;
  51
  52         var label_otr_cur;
  53         var label_otr_avg;
  54         var label_otr_peak;
  55
  56         var label_scale;
  57
  58         var conn_table;
  59
  60         var dns_cache = { };
  61
  62
  63         /* wait for SVG */
  64         window.setTimeout(
  65                 function() {
  66                         var svg = document.getElementById('bwsvg');
  67
  68                         try {
  69                                 G = svg.getSVGDocument
  70                                         ? svg.getSVGDocument() : svg.contentDocument;
  71                         }
  72                         catch(e) {
  73                                 G = document.embeds['bwsvg'].getSVGDocument();
  74                         }
  75
  76                         if (!G)
  77                         {
  78                                 window.setTimeout(arguments.callee, 1000);
  79                         }
  80                         else
  81                         {
  82                                 /* find sizes */
  83                                 width       = svg.offsetWidth  - 2;
  84                                 height      = svg.offsetHeight - 2;
  85                                 data_wanted = Math.ceil(width / step);
  86
  87                                 /* prefill datasets */
  88                                 for (var i = 0; i < data_wanted; i++)
  89                                 {
  90                                         data_udp[i] = 0;
  91                                         data_tcp[i] = 0;
  92                                         data_otr[i] = 0;
  93                                 }
  94
  95                                 /* find svg elements */
  96                                 line_udp = G.getElementById('udp');
  97                                 line_tcp = G.getElementById('tcp');
  98                                 line_otr = G.getElementById('other');
  99
 100                                 label_25 = G.getElementById('label_25');
 101                                 label_50 = G.getElementById('label_50');
 102                                 label_75 = G.getElementById('label_75');
 103
 104                                 label_udp_cur  = document.getElementById('lb_udp_cur');
 105                                 label_udp_avg  = document.getElementById('lb_udp_avg');
 106                                 label_udp_peak = document.getElementById('lb_udp_peak');
 107
 108                                 label_tcp_cur  = document.getElementById('lb_tcp_cur');
 109                                 label_tcp_avg  = document.getElementById('lb_tcp_avg');
 110                                 label_tcp_peak = document.getElementById('lb_tcp_peak');
 111
 112                                 label_otr_cur  = document.getElementById('lb_otr_cur');
 113                                 label_otr_avg  = document.getElementById('lb_otr_avg');
 114                                 label_otr_peak = document.getElementById('lb_otr_peak');
 115
 116                                 label_scale    = document.getElementById('scale');
 117
 118                                 conn_table     = document.getElementById('connections');
 119
 120
 121                                 /* plot horizontal time interval lines */
 122                                 for (var i = width % (step * 60); i < width; i += step * 60)
 123                                 {
 124                                         var line = G.createElementNS('http://www.w3.org/2000/svg', 'line');
 125                                                 line.setAttribute('x1', i);
 126                                                 line.setAttribute('y1', 0);
 127                                                 line.setAttribute('x2', i);
 128                                                 line.setAttribute('y2', '100%');
 129                                                 line.setAttribute('style', 'stroke:black;stroke-width:0.1');
 130
 131                                         var text = G.createElementNS('http://www.w3.org/2000/svg', 'text');
 132                                                 text.setAttribute('x', i + 5);
 133                                                 text.setAttribute('y', 15);
 134                                                 text.setAttribute('style', 'fill:#999999; font-size:9pt');
 135                                                 text.appendChild(G.createTextNode(Math.round((width - i) / step / 60) + 'm'));
 136
 137                                         label_25.parentNode.appendChild(line);
 138                                         label_25.parentNode.appendChild(text);
 139                                 }
 140
 141                                 label_scale.innerHTML = String.format('<%:(%d minute window, %d second interval)%>', data_wanted / 60, 3);
 142
 143                                 /* render datasets, start update interval */
 144                                 XHR.poll(3, '<%=build_url("admin/status/realtime/connections_status")%>', null,
 145                                         function(x, json)
 146                                         {
 147                                                 var conn = json.connections;
 148
 149                                                 while (conn_table.rows.length > 1)
 150                                                         conn_table.rows[0].parentNode.deleteRow(-1);
 151
 152
 153                                                 var lookup_queue = [ ];
 154
 155                                                 conn.sort(function(a, b) {
 156                                                         return b.bytes - a.bytes;
 157                                                 });
 158
 159                                                 for (var i = 0; i < conn.length; i++)
 160                                                 {
 161                                                         var c  = conn[i];
 162
 163                                                         if (c.src == '127.0.0.1' && c.dst == '127.0.0.1')
 164                                                                 continue;
 165
 166                                                         var tr = conn_table.rows[0].parentNode.insertRow(-1);
 167                                                             tr.className = 'cbi-section-table-row cbi-rowstyle-' + (1 + (i % 2));
 168
 169                                                         if (!dns_cache[c.src])
 170                                                                 lookup_queue.push(c.src);
 171
 172                                                         if (!dns_cache[c.dst])
 173                                                                 lookup_queue.push(c.dst);
 174
 175                                                         var src = dns_cache[c.src] || (c.layer3 == 'ipv6' ? '[' + c.src + ']' : c.src);
 176                                                         var dst = dns_cache[c.dst] || (c.layer3 == 'ipv6' ? '[' + c.dst + ']' : c.dst);
 177
 178                                                         tr.insertCell(-1).innerHTML = c.layer3.toUpperCase();
 179                                                         tr.insertCell(-1).innerHTML = c.layer4.toUpperCase();
 180                                                         tr.insertCell(-1).innerHTML = String.format('%s:%d', src, c.sport);
 181                                                         tr.insertCell(-1).innerHTML = String.format('%s:%d', dst, c.dport);
 182
 183                                                         var traf = tr.insertCell(-1);
 184                                                             traf.style.whiteSpace = 'nowrap';
 185                                                             traf.innerHTML = String.format('%1024.2mB (%d <%:Pkts.%>)', c.bytes, c.packets);
 186                                                 }
 187
 188                                                 if (lookup_queue.length > 0)
 189                                                         XHR.get('<%=build_url("admin/status/nameinfo")%>/' + lookup_queue.slice(0, 100).join('/'), null,
 190                                                                 function(x, json)
 191                                                                 {
 192                                                                         for (var addr in json)
 193                                                                                 dns_cache[addr] = json[addr];
 194                                                                 }
 195                                                         );
 196
 197
 198                                                 var data = json.statistics;
 199
 200                                                 var data_max   = 0;
 201                                                 var data_scale = 0;
 202
 203                                                 var data_udp_avg = 0;
 204                                                 var data_tcp_avg = 0;
 205                                                 var data_otr_avg = 0;
 206
 207                                                 var data_udp_peak = 0;
 208                                                 var data_tcp_peak = 0;
 209                                                 var data_otr_peak = 0;
 210
 211                                                 for (var i = data_stamp ? 0 : 1; i < data.length; i++)
 212                                                 {
 213                                                         /* skip overlapping entries */
 214                                                         if (data[i][TIME] <= data_stamp)
 215                                                                 continue;
 216
 217                                                         data_udp.push(data[i][UDP]);
 218                                                         data_tcp.push(data[i][TCP]);
 219                                                         data_otr.push(data[i][OTHER]);
 220                                                 }
 221
 222                                                 /* cut off outdated entries */
 223                                                 data_udp = data_udp.slice(data_udp.length - data_wanted, data_udp.length);
 224                                                 data_tcp = data_tcp.slice(data_tcp.length - data_wanted, data_tcp.length);
 225                                                 data_otr = data_otr.slice(data_otr.length - data_wanted, data_otr.length);
 226
 227                                                 /* find peak */
 228                                                 for (var i = 0; i < data_udp.length; i++)
 229                                                 {
 230                                                         data_max = Math.max(data_max, data_udp[i]);
 231                                                         data_max = Math.max(data_max, data_tcp[i]);
 232                                                         data_max = Math.max(data_max, data_otr[i]);
 233
 234                                                         data_udp_peak = Math.max(data_udp_peak, data_udp[i]);
 235                                                         data_tcp_peak = Math.max(data_tcp_peak, data_tcp[i]);
 236                                                         data_otr_peak = Math.max(data_otr_peak, data_otr[i]);
 237
 238                                                         if (i > 0)
 239                                                         {
 240                                                                 data_udp_avg = (data_udp_avg + data_udp[i]) / 2;
 241                                                                 data_tcp_avg = (data_tcp_avg + data_tcp[i]) / 2;
 242                                                                 data_otr_avg = (data_otr_avg + data_otr[i]) / 2;
 243                                                         }
 244                                                         else
 245                                                         {
 246                                                                 data_udp_avg = data_udp[i];
 247                                                                 data_tcp_avg = data_tcp[i];
 248                                                                 data_otr_avg = data_otr[i];
 249                                                         }
 250                                                 }
 251
 252                                                 /* remember current timestamp, calculate horizontal scale */
 253                                                 data_stamp = data[data.length-1][TIME];
 254                                                 data_scale = height / (data_max * 1.1);
 255
 256
 257                                                 /* plot data */
 258                                                 var pt_udp = '0,' + height;
 259                                                 var pt_tcp = '0,' + height;
 260                                                 var pt_otr = '0,' + height;
 261
 262                                                 var y_udp = 0;
 263                                                 var y_tcp = 0;
 264                                                 var y_otr = 0;
 265
 266                                                 for (var i = 0; i < data_udp.length; i++)
 267                                                 {
 268                                                         var x = i * step;
 269
 270                                                         y_udp = height - Math.floor(data_udp[i] * data_scale);
 271                                                         y_tcp = height - Math.floor(data_tcp[i] * data_scale);
 272                                                         y_otr = height - Math.floor(data_otr[i] * data_scale);
 273
 274                                                         pt_udp += ' ' + x + ',' + y_udp;
 275                                                         pt_tcp += ' ' + x + ',' + y_tcp;
 276                                                         pt_otr += ' ' + x + ',' + y_otr;
 277                                                 }
 278
 279                                                 pt_udp += ' ' + width + ',' + y_udp + ' ' + width + ',' + height;
 280                                                 pt_tcp += ' ' + width + ',' + y_tcp + ' ' + width + ',' + height;
 281                                                 pt_otr += ' ' + width + ',' + y_otr + ' ' + width + ',' + height;
 282
 283
 284                                                 var order = [
 285                                                         [ line_udp, data_udp[data_udp.length-1] ],
 286                                                         [ line_tcp, data_tcp[data_tcp.length-1] ],
 287                                                         [ line_otr, data_otr[data_otr.length-1] ]
 288                                                 ];
 289
 290                                                 order.sort(function(a, b) { return b[1] - a[1] });
 291
 292                                                 for (var i = 0; i < order.length; i++)
 293                                                         order[i][0].parentNode.appendChild(order[i][0]);
 294
 295
 296                                                 line_udp.setAttribute('points', pt_udp);
 297                                                 line_tcp.setAttribute('points', pt_tcp);
 298                                                 line_otr.setAttribute('points', pt_otr);
 299
 300                                                 label_25.firstChild.data = Math.floor(1.1 * 0.25 * data_max);
 301                                                 label_50.firstChild.data = Math.floor(1.1 * 0.50 * data_max);
 302                                                 label_75.firstChild.data = Math.floor(1.1 * 0.75 * data_max);
 303
 304                                                 label_udp_cur.innerHTML = Math.floor(data_udp[data_udp.length-1]);
 305                                                 label_tcp_cur.innerHTML = Math.floor(data_tcp[data_tcp.length-1]);
 306                                                 label_otr_cur.innerHTML = Math.floor(data_otr[data_otr.length-1]);
 307
 308                                                 label_udp_avg.innerHTML = Math.floor(data_udp_avg);
 309                                                 label_tcp_avg.innerHTML = Math.floor(data_tcp_avg);
 310                                                 label_otr_avg.innerHTML = Math.floor(data_otr_avg);
 311
 312                                                 label_udp_peak.innerHTML = Math.floor(data_udp_peak);
 313                                                 label_tcp_peak.innerHTML = Math.floor(data_tcp_peak);
 314                                                 label_otr_peak.innerHTML = Math.floor(data_otr_peak);
 315                                         }
 316                                 );
 317                         }
 318                 }, 1000
 319         );
 320 //]]></script>
 321
 322 <h2><a id="content" name="content"><%:Realtime Connections%></a></h2>
 323
 324 <div class="cbi-map-descr"><%:This page gives an overview over currently active network connections.%></div>
 325
 326 <fieldset class="cbi-section" id="cbi-table-table">
 327         <legend><%:Active Connections%></legend>
 328
 329         <embed id="bwsvg" style="width:100%; height:300px; border:1px solid #000000; background-color:#FFFFFF" src="<%=resource%>/connections.svg" />
 330         <div style="text-align:right"><small id="scale">-</small></div>
 331         <br />
 332
 333         <table style="width:100%; table-layout:fixed" cellspacing="5">
 334                 <tr>
 335                         <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid blue"><%:UDP:%></strong></td>
 336                         <td id="lb_udp_cur">0</td>
 337
 338                         <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
 339                         <td id="lb_udp_avg">0</td>
 340
 341                         <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
 342                         <td id="lb_udp_peak">0</td>
 343                 </tr>
 344                 <tr>
 345                         <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid green"><%:TCP:%></strong></td>
 346                         <td id="lb_tcp_cur">0</td>
 347
 348                         <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
 349                         <td id="lb_tcp_avg">0</td>
 350
 351                         <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
 352                         <td id="lb_tcp_peak">0</td>
 353                 </tr>
 354                 <tr>
 355                         <td style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid red"><%:Other:%></strong></td>
 356                         <td id="lb_otr_cur">0</td>
 357
 358                         <td style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></td>
 359                         <td id="lb_otr_avg">0</td>
 360
 361                         <td style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></td>
 362                         <td id="lb_otr_peak">0</td>
 363                 </tr>
 364         </table>
 365         <br />
 366
 367         <div class="cbi-section-node">
 368                 <table class="cbi-section-table" id="connections">
 369                         <tr class="cbi-section-table-titles">
 370                                 <th class="cbi-section-table-cell"><%:Network%></th>
 371                                 <th class="cbi-section-table-cell"><%:Protocol%></th>
 372                                 <th class="cbi-section-table-cell"><%:Source%></th>
 373                                 <th class="cbi-section-table-cell"><%:Destination%></th>
 374                                 <th class="cbi-section-table-cell"><%:Transfer%></th>
 375                         </tr>
 376
 377                         <tr><td colspan="5"><em><%:Collecting data...%></em></td></tr>
 378                 </table>
 379         </div>
 380 </fieldset>
 381
 382 <%+footer%>