modules/luci-mod-status/luasrc/view/admin_status/connections.htm

   1 <%#
   2  Copyright 2010 Jo-Philipp Wich <jow@openwrt.org>
   3  Licensed to the public under the Apache License 2.0.
   4 -%>
   5
   6 <%+header%>
   7
   8 <script type="text/javascript">//<![CDATA[
   9         var bwxhr = new XHR();
  10
  11         var G;
  12         var TIME  = 0;
  13         var UDP   = 1;
  14         var TCP   = 2;
  15         var OTHER = 3;
  16
  17         var width  = 760;
  18         var height = 300;
  19         var step   = 5;
  20
  21         var data_wanted = Math.floor(width / step);
  22         var data_fill   = 0;
  23         var data_stamp  = 0;
  24
  25         var data_udp = [ ];
  26         var data_tcp = [ ];
  27         var data_otr = [ ];
  28
  29         var line_udp;
  30         var line_tcp;
  31
  32         var label_25;
  33         var label_50;
  34         var label_75;
  35
  36         var label_udp_cur;
  37         var label_udp_avg;
  38         var label_udp_peak;
  39
  40         var label_tcp_cur;
  41         var label_tcp_avg;
  42         var label_tcp_peak;
  43
  44         var label_otr_cur;
  45         var label_otr_avg;
  46         var label_otr_peak;
  47
  48         var label_scale;
  49
  50         var conn_table;
  51
  52         var dns_cache = { };
  53
  54
  55         /* wait for SVG */
  56         window.setTimeout(
  57                 function() {
  58                         var svg = document.getElementById('bwsvg');
  59
  60                         try {
  61                                 G = svg.getSVGDocument
  62                                         ? svg.getSVGDocument() : svg.contentDocument;
  63                         }
  64                         catch(e) {
  65                                 G = document.embeds['bwsvg'].getSVGDocument();
  66                         }
  67
  68                         if (!G)
  69                         {
  70                                 window.setTimeout(arguments.callee, 1000);
  71                         }
  72                         else
  73                         {
  74                                 /* find sizes */
  75                                 width       = svg.offsetWidth  - 2;
  76                                 height      = svg.offsetHeight - 2;
  77                                 data_wanted = Math.ceil(width / step);
  78
  79                                 /* prefill datasets */
  80                                 for (var i = 0; i < data_wanted; i++)
  81                                 {
  82                                         data_udp[i] = 0;
  83                                         data_tcp[i] = 0;
  84                                         data_otr[i] = 0;
  85                                 }
  86
  87                                 /* find svg elements */
  88                                 line_udp = G.getElementById('udp');
  89                                 line_tcp = G.getElementById('tcp');
  90                                 line_otr = G.getElementById('other');
  91
  92                                 label_25 = G.getElementById('label_25');
  93                                 label_50 = G.getElementById('label_50');
  94                                 label_75 = G.getElementById('label_75');
  95
  96                                 label_udp_cur  = document.getElementById('lb_udp_cur');
  97                                 label_udp_avg  = document.getElementById('lb_udp_avg');
  98                                 label_udp_peak = document.getElementById('lb_udp_peak');
  99
 100                                 label_tcp_cur  = document.getElementById('lb_tcp_cur');
 101                                 label_tcp_avg  = document.getElementById('lb_tcp_avg');
 102                                 label_tcp_peak = document.getElementById('lb_tcp_peak');
 103
 104                                 label_otr_cur  = document.getElementById('lb_otr_cur');
 105                                 label_otr_avg  = document.getElementById('lb_otr_avg');
 106                                 label_otr_peak = document.getElementById('lb_otr_peak');
 107
 108                                 label_scale    = document.getElementById('scale');
 109
 110                                 conn_table     = document.getElementById('connections');
 111
 112
 113                                 /* plot horizontal time interval lines */
 114                                 for (var i = width % (step * 60); i < width; i += step * 60)
 115                                 {
 116                                         var line = G.createElementNS('http://www.w3.org/2000/svg', 'line');
 117                                                 line.setAttribute('x1', i);
 118                                                 line.setAttribute('y1', 0);
 119                                                 line.setAttribute('x2', i);
 120                                                 line.setAttribute('y2', '100%');
 121                                                 line.setAttribute('style', 'stroke:black;stroke-width:0.1');
 122
 123                                         var text = G.createElementNS('http://www.w3.org/2000/svg', 'text');
 124                                                 text.setAttribute('x', i + 5);
 125                                                 text.setAttribute('y', 15);
 126                                                 text.setAttribute('style', 'fill:#eee; font-size:9pt; font-family:sans-serif; text-shadow:1px 1px 1px #000');
 127                                                 text.appendChild(G.createTextNode(Math.round((width - i) / step / 60) + 'm'));
 128
 129                                         label_25.parentNode.appendChild(line);
 130                                         label_25.parentNode.appendChild(text);
 131                                 }
 132
 133                                 label_scale.innerHTML = String.format('<%:(%d minute window, %d second interval)%>', data_wanted / 60, 3);
 134
 135                                 /* render datasets, start update interval */
 136                                 XHR.poll(3, '<%=build_url("admin/status/realtime/connections_status")%>', null,
 137                                         function(x, json)
 138                                         {
 139                                                 var rows = [];
 140                                                 var conn = json.connections;
 141
 142                                                 var lookup_queue = [ ];
 143
 144                                                 conn.sort(function(a, b) {
 145                                                         return b.bytes - a.bytes;
 146                                                 });
 147
 148                                                 for (var i = 0; i < conn.length; i++)
 149                                                 {
 150                                                         var c  = conn[i];
 151
 152                                                         if ((c.src == '127.0.0.1' && c.dst == '127.0.0.1') ||
 153                                                             (c.src == '::1'       && c.dst == '::1'))
 154                                                                 continue;
 155
 156                                                         if (!dns_cache[c.src])
 157                                                                 lookup_queue.push(c.src);
 158
 159                                                         if (!dns_cache[c.dst])
 160                                                                 lookup_queue.push(c.dst);
 161
 162                                                         var src = dns_cache[c.src] || (c.layer3 == 'ipv6' ? '[' + c.src + ']' : c.src);
 163                                                         var dst = dns_cache[c.dst] || (c.layer3 == 'ipv6' ? '[' + c.dst + ']' : c.dst);
 164
 165                                                         rows.push([
 166                                                                 c.layer3.toUpperCase(),
 167                                                                 c.layer4.toUpperCase(),
 168                                                                 src + ':' + c.sport,
 169                                                                 dst + ':' + c.dport,
 170                                                                 '%1024.2mB (%d <%:Pkts.%>)'.format(c.bytes, c.packets)
 171                                                         ]);
 172                                                 }
 173
 174                                                 cbi_update_table(conn_table, rows, '<em><%:No information available%></em>');
 175
 176                                                 if (lookup_queue.length > 0)
 177                                                         XHR.get('<%=build_url("admin/status/nameinfo")%>/' + lookup_queue.slice(0, 100).join('/'), null,
 178                                                                 function(x, json)
 179                                                                 {
 180                                                                         for (var addr in json)
 181                                                                                 dns_cache[addr] = json[addr];
 182                                                                 }
 183                                                         );
 184
 185
 186                                                 var data = json.statistics;
 187
 188                                                 var data_max   = 0;
 189                                                 var data_scale = 0;
 190
 191                                                 var data_udp_avg = 0;
 192                                                 var data_tcp_avg = 0;
 193                                                 var data_otr_avg = 0;
 194
 195                                                 var data_udp_peak = 0;
 196                                                 var data_tcp_peak = 0;
 197                                                 var data_otr_peak = 0;
 198
 199                                                 for (var i = data_stamp ? 0 : 1; i < data.length; i++)
 200                                                 {
 201                                                         /* skip overlapping entries */
 202                                                         if (data[i][TIME] <= data_stamp)
 203                                                                 continue;
 204
 205                                                         data_udp.push(data[i][UDP]);
 206                                                         data_tcp.push(data[i][TCP]);
 207                                                         data_otr.push(data[i][OTHER]);
 208                                                 }
 209
 210                                                 /* cut off outdated entries */
 211                                                 data_udp = data_udp.slice(data_udp.length - data_wanted, data_udp.length);
 212                                                 data_tcp = data_tcp.slice(data_tcp.length - data_wanted, data_tcp.length);
 213                                                 data_otr = data_otr.slice(data_otr.length - data_wanted, data_otr.length);
 214
 215                                                 /* find peak */
 216                                                 for (var i = 0; i < data_udp.length; i++)
 217                                                 {
 218                                                         data_max = Math.max(data_max, data_udp[i]);
 219                                                         data_max = Math.max(data_max, data_tcp[i]);
 220                                                         data_max = Math.max(data_max, data_otr[i]);
 221
 222                                                         data_udp_peak = Math.max(data_udp_peak, data_udp[i]);
 223                                                         data_tcp_peak = Math.max(data_tcp_peak, data_tcp[i]);
 224                                                         data_otr_peak = Math.max(data_otr_peak, data_otr[i]);
 225
 226                                                         if (i > 0)
 227                                                         {
 228                                                                 data_udp_avg = (data_udp_avg + data_udp[i]) / 2;
 229                                                                 data_tcp_avg = (data_tcp_avg + data_tcp[i]) / 2;
 230                                                                 data_otr_avg = (data_otr_avg + data_otr[i]) / 2;
 231                                                         }
 232                                                         else
 233                                                         {
 234                                                                 data_udp_avg = data_udp[i];
 235                                                                 data_tcp_avg = data_tcp[i];
 236                                                                 data_otr_avg = data_otr[i];
 237                                                         }
 238                                                 }
 239
 240                                                 /* remember current timestamp, calculate horizontal scale */
 241                                                 data_stamp = data[data.length-1][TIME];
 242                                                 data_scale = height / (data_max * 1.1);
 243
 244
 245                                                 /* plot data */
 246                                                 var pt_udp = '0,' + height;
 247                                                 var pt_tcp = '0,' + height;
 248                                                 var pt_otr = '0,' + height;
 249
 250                                                 var y_udp = 0;
 251                                                 var y_tcp = 0;
 252                                                 var y_otr = 0;
 253
 254                                                 for (var i = 0; i < data_udp.length; i++)
 255                                                 {
 256                                                         var x = i * step;
 257
 258                                                         y_udp = height - Math.floor(data_udp[i] * data_scale);
 259                                                         y_tcp = height - Math.floor(data_tcp[i] * data_scale);
 260                                                         y_otr = height - Math.floor(data_otr[i] * data_scale);
 261
 262                                                         pt_udp += ' ' + x + ',' + y_udp;
 263                                                         pt_tcp += ' ' + x + ',' + y_tcp;
 264                                                         pt_otr += ' ' + x + ',' + y_otr;
 265                                                 }
 266
 267                                                 pt_udp += ' ' + width + ',' + y_udp + ' ' + width + ',' + height;
 268                                                 pt_tcp += ' ' + width + ',' + y_tcp + ' ' + width + ',' + height;
 269                                                 pt_otr += ' ' + width + ',' + y_otr + ' ' + width + ',' + height;
 270
 271
 272                                                 var order = [
 273                                                         [ line_udp, data_udp[data_udp.length-1] ],
 274                                                         [ line_tcp, data_tcp[data_tcp.length-1] ],
 275                                                         [ line_otr, data_otr[data_otr.length-1] ]
 276                                                 ];
 277
 278                                                 order.sort(function(a, b) { return b[1] - a[1] });
 279
 280                                                 for (var i = 0; i < order.length; i++)
 281                                                         order[i][0].parentNode.appendChild(order[i][0]);
 282
 283
 284                                                 line_udp.setAttribute('points', pt_udp);
 285                                                 line_tcp.setAttribute('points', pt_tcp);
 286                                                 line_otr.setAttribute('points', pt_otr);
 287
 288                                                 label_25.firstChild.data = Math.floor(1.1 * 0.25 * data_max);
 289                                                 label_50.firstChild.data = Math.floor(1.1 * 0.50 * data_max);
 290                                                 label_75.firstChild.data = Math.floor(1.1 * 0.75 * data_max);
 291
 292                                                 label_udp_cur.innerHTML = Math.floor(data_udp[data_udp.length-1]);
 293                                                 label_tcp_cur.innerHTML = Math.floor(data_tcp[data_tcp.length-1]);
 294                                                 label_otr_cur.innerHTML = Math.floor(data_otr[data_otr.length-1]);
 295
 296                                                 label_udp_avg.innerHTML = Math.floor(data_udp_avg);
 297                                                 label_tcp_avg.innerHTML = Math.floor(data_tcp_avg);
 298                                                 label_otr_avg.innerHTML = Math.floor(data_otr_avg);
 299
 300                                                 label_udp_peak.innerHTML = Math.floor(data_udp_peak);
 301                                                 label_tcp_peak.innerHTML = Math.floor(data_tcp_peak);
 302                                                 label_otr_peak.innerHTML = Math.floor(data_otr_peak);
 303                                         }
 304                                 );
 305
 306                                 XHR.run();
 307                         }
 308                 }, 1000
 309         );
 310 //]]></script>
 311
 312 <h2 name="content"><%:Realtime Connections%></h2>
 313
 314 <div class="cbi-map-descr"><%:This page gives an overview over currently active network connections.%></div>
 315
 316 <fieldset class="cbi-section" id="cbi-table-table">
 317         <legend><%:Active Connections%></legend>
 318
 319         <embed id="bwsvg" style="width:100%; height:300px; border:1px solid #000000; background-color:#FFFFFF" src="<%=resource%>/connections.svg" />
 320         <div style="text-align:right"><small id="scale">-</small></div>
 321         <br />
 322
 323         <div class="table">
 324                 <div class="tr">
 325                         <div class="td" style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid blue"><%:UDP:%></strong></div>
 326                         <div class="td" id="lb_udp_cur">0</div>
 327
 328                         <div class="td" style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></div>
 329                         <div class="td" id="lb_udp_avg">0</div>
 330
 331                         <div class="td" style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></div>
 332                         <div class="td" id="lb_udp_peak">0</div>
 333                 </div>
 334                 <div class="tr">
 335                         <div class="td" style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid green"><%:TCP:%></strong></div>
 336                         <div class="td" id="lb_tcp_cur">0</div>
 337
 338                         <div class="td" style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></div>
 339                         <div class="td" id="lb_tcp_avg">0</div>
 340
 341                         <div class="td" style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></div>
 342                         <div class="td" id="lb_tcp_peak">0</div>
 343                 </div>
 344                 <div class="tr">
 345                         <div class="td" style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid red"><%:Other:%></strong></div>
 346                         <div class="td" id="lb_otr_cur">0</div>
 347
 348                         <div class="td" style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></div>
 349                         <div class="td" id="lb_otr_avg">0</div>
 350
 351                         <div class="td" style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></div>
 352                         <div class="td" id="lb_otr_peak">0</div>
 353                 </div>
 354         </div>
 355         <br />
 356
 357         <div class="cbi-section-node">
 358                 <div class="table" id="connections">
 359                         <div class="tr table-titles">
 360                                 <div class="th col-2 hide-xs"><%:Network%></div>
 361                                 <div class="th col-2"><%:Protocol%></div>
 362                                 <div class="th col-7"><%:Source%></div>
 363                                 <div class="th col-7"><%:Destination%></div>
 364                                 <div class="th col-4"><%:Transfer%></div>
 365                         </div>
 366
 367                         <div class="tr placeholder">
 368                                 <div class="td">
 369                                         <em><%:Collecting data...%></em>
 370                                 </div>
 371                         </div>
 372                 </div>
 373         </div>
 374 </fieldset>
 375
 376 <%+footer%>