modules/luci-mod-admin-full/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:#999999; font-size:9pt; font-family:sans-serif');
 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 conn = json.connections;
 140
 141                                                 while (conn_table.firstElementChild !== conn_table.lastElementChild)
 142                                                         conn_table.removeChild(conn_table.lastElementChild);
 143
 144
 145                                                 var lookup_queue = [ ];
 146
 147                                                 conn.sort(function(a, b) {
 148                                                         return b.bytes - a.bytes;
 149                                                 });
 150
 151                                                 for (var i = 0; i < conn.length; i++)
 152                                                 {
 153                                                         var c  = conn[i];
 154
 155                                                         if ((c.src == '127.0.0.1' && c.dst == '127.0.0.1') ||
 156                                                             (c.src == '::1'       && c.dst == '::1'))
 157                                                                 continue;
 158
 159                                                         if (!dns_cache[c.src])
 160                                                                 lookup_queue.push(c.src);
 161
 162                                                         if (!dns_cache[c.dst])
 163                                                                 lookup_queue.push(c.dst);
 164
 165                                                         var src = dns_cache[c.src] || (c.layer3 == 'ipv6' ? '[' + c.src + ']' : c.src);
 166                                                         var dst = dns_cache[c.dst] || (c.layer3 == 'ipv6' ? '[' + c.dst + ']' : c.dst);
 167
 168                                                         conn_table.appendChild(E('<div class="tr cbi-section-table-row cbi-rowstyle-%d">'.format(1 + (i % 2)), [
 169                                                                 E('<div class="td">', c.layer3.toUpperCase()),
 170                                                                 E('<div class="td">', c.layer4.toUpperCase()),
 171                                                                 E('<div class="td">', [ src, ':', c.sport ]),
 172                                                                 E('<div class="td">', [ dst, ':', c.dport ]),
 173                                                                 E('<div class="td" style="white-space:nowrap">', '%1024.2mB (%d <%:Pkts.%>)'.format(c.bytes, c.packets)),
 174                                                         ]));
 175                                                 }
 176
 177                                                 if (lookup_queue.length > 0)
 178                                                         XHR.get('<%=build_url("admin/status/nameinfo")%>/' + lookup_queue.slice(0, 100).join('/'), null,
 179                                                                 function(x, json)
 180                                                                 {
 181                                                                         for (var addr in json)
 182                                                                                 dns_cache[addr] = json[addr];
 183                                                                 }
 184                                                         );
 185
 186
 187                                                 var data = json.statistics;
 188
 189                                                 var data_max   = 0;
 190                                                 var data_scale = 0;
 191
 192                                                 var data_udp_avg = 0;
 193                                                 var data_tcp_avg = 0;
 194                                                 var data_otr_avg = 0;
 195
 196                                                 var data_udp_peak = 0;
 197                                                 var data_tcp_peak = 0;
 198                                                 var data_otr_peak = 0;
 199
 200                                                 for (var i = data_stamp ? 0 : 1; i < data.length; i++)
 201                                                 {
 202                                                         /* skip overlapping entries */
 203                                                         if (data[i][TIME] <= data_stamp)
 204                                                                 continue;
 205
 206                                                         data_udp.push(data[i][UDP]);
 207                                                         data_tcp.push(data[i][TCP]);
 208                                                         data_otr.push(data[i][OTHER]);
 209                                                 }
 210
 211                                                 /* cut off outdated entries */
 212                                                 data_udp = data_udp.slice(data_udp.length - data_wanted, data_udp.length);
 213                                                 data_tcp = data_tcp.slice(data_tcp.length - data_wanted, data_tcp.length);
 214                                                 data_otr = data_otr.slice(data_otr.length - data_wanted, data_otr.length);
 215
 216                                                 /* find peak */
 217                                                 for (var i = 0; i < data_udp.length; i++)
 218                                                 {
 219                                                         data_max = Math.max(data_max, data_udp[i]);
 220                                                         data_max = Math.max(data_max, data_tcp[i]);
 221                                                         data_max = Math.max(data_max, data_otr[i]);
 222
 223                                                         data_udp_peak = Math.max(data_udp_peak, data_udp[i]);
 224                                                         data_tcp_peak = Math.max(data_tcp_peak, data_tcp[i]);
 225                                                         data_otr_peak = Math.max(data_otr_peak, data_otr[i]);
 226
 227                                                         if (i > 0)
 228                                                         {
 229                                                                 data_udp_avg = (data_udp_avg + data_udp[i]) / 2;
 230                                                                 data_tcp_avg = (data_tcp_avg + data_tcp[i]) / 2;
 231                                                                 data_otr_avg = (data_otr_avg + data_otr[i]) / 2;
 232                                                         }
 233                                                         else
 234                                                         {
 235                                                                 data_udp_avg = data_udp[i];
 236                                                                 data_tcp_avg = data_tcp[i];
 237                                                                 data_otr_avg = data_otr[i];
 238                                                         }
 239                                                 }
 240
 241                                                 /* remember current timestamp, calculate horizontal scale */
 242                                                 data_stamp = data[data.length-1][TIME];
 243                                                 data_scale = height / (data_max * 1.1);
 244
 245
 246                                                 /* plot data */
 247                                                 var pt_udp = '0,' + height;
 248                                                 var pt_tcp = '0,' + height;
 249                                                 var pt_otr = '0,' + height;
 250
 251                                                 var y_udp = 0;
 252                                                 var y_tcp = 0;
 253                                                 var y_otr = 0;
 254
 255                                                 for (var i = 0; i < data_udp.length; i++)
 256                                                 {
 257                                                         var x = i * step;
 258
 259                                                         y_udp = height - Math.floor(data_udp[i] * data_scale);
 260                                                         y_tcp = height - Math.floor(data_tcp[i] * data_scale);
 261                                                         y_otr = height - Math.floor(data_otr[i] * data_scale);
 262
 263                                                         pt_udp += ' ' + x + ',' + y_udp;
 264                                                         pt_tcp += ' ' + x + ',' + y_tcp;
 265                                                         pt_otr += ' ' + x + ',' + y_otr;
 266                                                 }
 267
 268                                                 pt_udp += ' ' + width + ',' + y_udp + ' ' + width + ',' + height;
 269                                                 pt_tcp += ' ' + width + ',' + y_tcp + ' ' + width + ',' + height;
 270                                                 pt_otr += ' ' + width + ',' + y_otr + ' ' + width + ',' + height;
 271
 272
 273                                                 var order = [
 274                                                         [ line_udp, data_udp[data_udp.length-1] ],
 275                                                         [ line_tcp, data_tcp[data_tcp.length-1] ],
 276                                                         [ line_otr, data_otr[data_otr.length-1] ]
 277                                                 ];
 278
 279                                                 order.sort(function(a, b) { return b[1] - a[1] });
 280
 281                                                 for (var i = 0; i < order.length; i++)
 282                                                         order[i][0].parentNode.appendChild(order[i][0]);
 283
 284
 285                                                 line_udp.setAttribute('points', pt_udp);
 286                                                 line_tcp.setAttribute('points', pt_tcp);
 287                                                 line_otr.setAttribute('points', pt_otr);
 288
 289                                                 label_25.firstChild.data = Math.floor(1.1 * 0.25 * data_max);
 290                                                 label_50.firstChild.data = Math.floor(1.1 * 0.50 * data_max);
 291                                                 label_75.firstChild.data = Math.floor(1.1 * 0.75 * data_max);
 292
 293                                                 label_udp_cur.innerHTML = Math.floor(data_udp[data_udp.length-1]);
 294                                                 label_tcp_cur.innerHTML = Math.floor(data_tcp[data_tcp.length-1]);
 295                                                 label_otr_cur.innerHTML = Math.floor(data_otr[data_otr.length-1]);
 296
 297                                                 label_udp_avg.innerHTML = Math.floor(data_udp_avg);
 298                                                 label_tcp_avg.innerHTML = Math.floor(data_tcp_avg);
 299                                                 label_otr_avg.innerHTML = Math.floor(data_otr_avg);
 300
 301                                                 label_udp_peak.innerHTML = Math.floor(data_udp_peak);
 302                                                 label_tcp_peak.innerHTML = Math.floor(data_tcp_peak);
 303                                                 label_otr_peak.innerHTML = Math.floor(data_otr_peak);
 304                                         }
 305                                 );
 306
 307                                 XHR.run();
 308                         }
 309                 }, 1000
 310         );
 311 //]]></script>
 312
 313 <h2 name="content"><%:Realtime Connections%></h2>
 314
 315 <div class="cbi-map-descr"><%:This page gives an overview over currently active network connections.%></div>
 316
 317 <fieldset class="cbi-section" id="cbi-table-table">
 318         <legend><%:Active Connections%></legend>
 319
 320         <embed id="bwsvg" style="width:100%; height:300px; border:1px solid #000000; background-color:#FFFFFF" src="<%=resource%>/connections.svg" />
 321         <div style="text-align:right"><small id="scale">-</small></div>
 322         <br />
 323
 324         <div class="table" style="width:100%; table-layout:fixed" cellspacing="5">
 325                 <div class="tr">
 326                         <div class="td" style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid blue"><%:UDP:%></strong></div>
 327                         <div class="td" id="lb_udp_cur">0</div>
 328
 329                         <div class="td" style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></div>
 330                         <div class="td" id="lb_udp_avg">0</div>
 331
 332                         <div class="td" style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></div>
 333                         <div class="td" id="lb_udp_peak">0</div>
 334                 </div>
 335                 <div class="tr">
 336                         <div class="td" style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid green"><%:TCP:%></strong></div>
 337                         <div class="td" id="lb_tcp_cur">0</div>
 338
 339                         <div class="td" style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></div>
 340                         <div class="td" id="lb_tcp_avg">0</div>
 341
 342                         <div class="td" style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></div>
 343                         <div class="td" id="lb_tcp_peak">0</div>
 344                 </div>
 345                 <div class="tr">
 346                         <div class="td" style="text-align:right; vertical-align:top"><strong style="border-bottom:2px solid red"><%:Other:%></strong></div>
 347                         <div class="td" id="lb_otr_cur">0</div>
 348
 349                         <div class="td" style="text-align:right; vertical-align:top"><strong><%:Average:%></strong></div>
 350                         <div class="td" id="lb_otr_avg">0</div>
 351
 352                         <div class="td" style="text-align:right; vertical-align:top"><strong><%:Peak:%></strong></div>
 353                         <div class="td" id="lb_otr_peak">0</div>
 354                 </div>
 355         </div>
 356         <br />
 357
 358         <div class="cbi-section-node">
 359                 <div class="table cbi-section-table" id="connections">
 360                         <div class="tr cbi-section-table-titles">
 361                                 <div class="th cbi-section-table-cell"><%:Network%></div>
 362                                 <div class="th cbi-section-table-cell"><%:Protocol%></div>
 363                                 <div class="th cbi-section-table-cell"><%:Source%></div>
 364                                 <div class="th cbi-section-table-cell"><%:Destination%></div>
 365                                 <div class="th cbi-section-table-cell"><%:Transfer%></div>
 366                         </div>
 367
 368                         <div class="tr"><div class="td" colspan="5"><em><%:Collecting data...%></em></div></div>
 369                 </div>
 370         </div>
 371 </fieldset>
 372
 373 <%+footer%>