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

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