src/journal/browse.html

   1 <!DOCTYPE html>
   2 <html>
   3 <head>
   4         <title>Journal</title>
   5         <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
   6         <style type="text/css">
   7                 div#divlogs, div#diventry {
   8                         font-family: monospace;
   9                         font-size: 8pt;
  10                         background-color: #ffffff;
  11                         padding: 1em;
  12                         margin: 2em 0em;
  13                         border-radius: 10px 10px 10px 10px;
  14                         border: 1px solid threedshadow;
  15                         white-space: nowrap;
  16                         overflow-x: scroll;
  17                 }
  18                 div#diventry {
  19                         display: none;
  20                 }
  21                 div#divlogs {
  22                         display: block;
  23                 }
  24                 body {
  25                         background-color: #ededed;
  26                         color: #313739;
  27                         font: message-box;
  28                         margin: 5em;
  29                 }
  30                 td.timestamp {
  31                         text-align: right;
  32                         border-right: 1px dotted lightgrey;
  33                         padding-right: 5px;
  34                 }
  35                 td.process {
  36                         border-right: 1px dotted lightgrey;
  37                         padding-left: 5px;
  38                         padding-right: 5px;
  39                 }
  40                 td.message {
  41                         padding-left: 5px;
  42                 }
  43                 td.message > a:link, td.message > a:visited {
  44                         text-decoration: none;
  45                         color: #313739;
  46                 }
  47                 td.message-error {
  48                         padding-left: 5px;
  49                         color: red;
  50                         font-weight: bold;
  51                 }
  52                 td.message-error > a:link, td.message-error > a:visited {
  53                         text-decoration: none;
  54                         color: red;
  55                 }
  56                 td.message-highlight {
  57                         padding-left: 5px;
  58                         font-weight: bold;
  59                 }
  60                 td.message-highlight > a:link, td.message-highlight > a:visited {
  61                         text-decoration: none;
  62                         color: #313739;
  63                 }
  64                 td > a:hover, td > a:active {
  65                         text-decoration: underline;
  66                         color: #c13739;
  67                 }
  68                 table#tablelogs, table#tableentry {
  69                         border-collapse: collapse;
  70                 }
  71                 td.field {
  72                         text-align: right;
  73                         border-right: 1px dotted lightgrey;
  74                         padding-right: 5px;
  75                 }
  76                 td.data {
  77                         padding-left: 5px;
  78                 }
  79                 div#keynav {
  80                         text-align: center;
  81                         font-size: 7pt;
  82                         color: #818789;
  83                         padding-top: 50px;
  84                 }
  85                 .key {
  86                         font-weight: bold;
  87                         color: #313739;
  88                 }
  89         </style>
  90 </head>
  91
  92 <body>
  93         <!-- TODO:
  94                 - live display
  95                 - localstorage
  96                 - show red lines for reboots -->
  97
  98         <h1 id="title"></h1>
  99
 100         <div id="os"></div>
 101         <div id="virtualization"></div>
 102         <div id="cutoff"></div>
 103         <div id="machine"></div>
 104         <div id="usage"></div>
 105         <div id="showing"></div>
 106
 107         <div id="divlogs"><table id="tablelogs"></table></div>
 108         <a name="entry"></a>
 109         <div id="diventry"><table id="tableentry"></table></div>
 110
 111         <form>
 112                 <input id="head" type="button" value="|&lt;" onclick="entriesLoadHead();"/>
 113                 <input id="previous" type="button" value="&lt;&lt;" onclick="entriesLoadPrevious();"/>
 114                 <input id="next" type="button" value="&gt;&gt;" onclick="entriesLoadNext();"/>
 115                 <input id="tail" type="button" value="&gt;|" onclick="entriesLoadTail();"/>
 116                 &nbsp;&nbsp;&nbsp;&nbsp;
 117                 <input id="more" type="button" value="More" onclick="entriesMore();"/>
 118                 <input id="less" type="button" value="Less" onclick="entriesLess();"/>
 119         </form>
 120
 121         <div id="keynav">
 122                 <span class="key">&#8594;, j, SPACE</span>: Next Page &nbsp;&nbsp;&nbsp;&nbsp;
 123                 <span class="key">&#8592;, k, BACKSPACE</span>: Previous Page &nbsp;&nbsp;&nbsp;&nbsp;
 124                 <span class="key">g</span>: First Page &nbsp;&nbsp;&nbsp;&nbsp;
 125                 <span class="key">G</span>: Last Page &nbsp;&nbsp;&nbsp;&nbsp;
 126                 <span class="key">+</span>: More entries &nbsp;&nbsp;&nbsp;&nbsp;
 127                 <span class="key">-</span>: Fewer entries
 128         </div>
 129
 130         <script type="text/javascript">
 131                 var first_cursor = null;
 132                 var last_cursor = null;
 133
 134                 function setCookie(name, value, msec) {
 135                         var d = new Date();
 136                         d.setMilliseconds(d.getMilliseconds() + msec);
 137                         var v = escape(value) + "; expires=" + d.toUTCString();
 138                         document.cookie = name + "=" + value;
 139                 }
 140
 141                 function getCookie(name) {
 142                         var i, l;
 143                         l = document.cookie.split(";");
 144                         for (i in l) {
 145                                 var x, y, j;
 146                                 j = l[i].indexOf("=");
 147                                 x = l[i].substr(0, j);
 148                                 y = l[i].substr(j+1);
 149                                 if (x == name)
 150                                         return unescape(y);
 151                         }
 152                         return null;
 153                 }
 154
 155                 function getNEntries() {
 156                         var n;
 157                         n = getCookie("n_entries");
 158                         if (n == null)
 159                                 return 50;
 160                         return parseInt(n);
 161                 }
 162
 163                 function showNEntries(n) {
 164                         var showing = document.getElementById("showing");
 165                         showing.innerHTML = "Showing <b>" + n.toString() + "</b> entries.";
 166                 }
 167
 168                 function setNEntries(n) {
 169                         if (n < 10)
 170                                 n = 10;
 171                         else if (n > 1000)
 172                                 n = 1000;
 173
 174                         setCookie("n_entries", n.toString(), 30*24*60*60*1000);
 175                         showNEntries(n);
 176                 }
 177
 178                 function machineLoad() {
 179                         var request = new XMLHttpRequest();
 180                         request.open("GET", "/machine");
 181                         request.onreadystatechange = machineOnResult;
 182                         request.setRequestHeader("Accept", "application/json");
 183                         request.send(null);
 184                 }
 185
 186                 function formatBytes(u) {
 187                         if (u >= 1024*1024*1024*1024)
 188                                 return (u/1024/1024/1024/1024).toFixed(1) + " TiB";
 189                         else if (u >= 1024*1024*1024)
 190                                 return (u/1024/1024/1024).toFixed(1) + " GiB";
 191                         else if (u >= 1024*1024)
 192                                 return (u/1024/1024).toFixed(1) + " MiB";
 193                         else if (u >= 1024)
 194                                 return (u/1024).toFixed(1) + " KiB";
 195                         else
 196                                 return u.toString() + " B";
 197                 }
 198
 199                 function escapeHTML(s) {
 200                         return s.replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;");
 201                 }
 202
 203                 function machineOnResult(event) {
 204                         if ((event.currentTarget.readyState != 4) ||
 205                                 (event.currentTarget.status != 200 && event.currentTarget.status != 0))
 206                                 return;
 207
 208                         var d = JSON.parse(event.currentTarget.responseText);
 209
 210                         var title = document.getElementById("title");
 211                         title.innerHTML = 'Journal of ' + escapeHTML(d.hostname);
 212                         document.title = 'Journal of ' + escapeHTML(d.hostname);
 213
 214                         var machine = document.getElementById("machine");
 215                         machine.innerHTML = 'Machine ID is <b>' + d.machine_id + '</b>, current boot ID is <b>' + d.boot_id + '</b>.';
 216
 217                         var cutoff = document.getElementById("cutoff");
 218                         var from = new Date(parseInt(d.cutoff_from_realtime) / 1000);
 219                         var to = new Date(parseInt(d.cutoff_to_realtime) / 1000);
 220                         cutoff.innerHTML = 'Journal begins at <b>' + from.toLocaleString() + '</b> and ends at <b>' + to.toLocaleString() + '</b>.';
 221
 222                         var usage = document.getElementById("usage");
 223                         usage.innerHTML = 'Disk usage is <b>' + formatBytes(parseInt(d.usage)) + '</b>.';
 224
 225                         var os = document.getElementById("os");
 226                         os.innerHTML = 'Operating system is <b>' + escapeHTML(d.os_pretty_name) + '</b>.';
 227
 228                         var virtualization = document.getElementById("virtualization");
 229                         virtualization.innerHTML = d.virtualization == "bare" ? "Running on <b>bare metal</b>." : "Running on virtualization <b>" + escapeHTML(d.virtualization) + "</b>.";
 230                 }
 231
 232                 function entriesLoad(range) {
 233                         var request = new XMLHttpRequest();
 234                         request.open("GET", "/entries");
 235                         request.onreadystatechange = entriesOnResult;
 236                         request.setRequestHeader("Accept", "application/json");
 237                         request.setRequestHeader("Range", "entries=" + range + ":" + getNEntries().toString());
 238                         request.send(null);
 239                 }
 240
 241                 function entriesLoadNext() {
 242                         if (last_cursor == null)
 243                                 entriesLoad("");
 244                         else
 245                                 entriesLoad(last_cursor + ":1");
 246                 }
 247
 248                 function entriesLoadPrevious() {
 249                         if (first_cursor == null)
 250                                 entriesLoad("");
 251                         else
 252                                 entriesLoad(first_cursor + ":-" + getNEntries().toString());
 253                 }
 254
 255                 function entriesLoadHead() {
 256                         entriesLoad("");
 257                 }
 258
 259                 function entriesLoadTail() {
 260                         entriesLoad(":-" + getNEntries().toString());
 261                 }
 262
 263                 function entriesOnResult(event) {
 264
 265                         if ((event.currentTarget.readyState != 4) ||
 266                                 (event.currentTarget.status != 200 && event.currentTarget.status != 0))
 267                                 return;
 268
 269                         var logs = document.getElementById("tablelogs");
 270
 271                         var lc = null;
 272                         var fc = null;
 273
 274                         var i;
 275                         var l = event.currentTarget.responseText.split('\n');
 276
 277                         if (l.length <= 1) {
 278                                 logs.innerHTML = '<tbody><tr><td colspan="3"><i>No further entries...</i></td></tr></tbody>';
 279                                 return;
 280                         }
 281
 282                         var buf = '';
 283
 284                         for (i in l) {
 285
 286                                 if (l[i] == '')
 287                                         continue;
 288
 289                                 var d = JSON.parse(l[i]);
 290                                 if (d.MESSAGE == undefined || d.__CURSOR == undefined)
 291                                         continue;
 292
 293                                 if (fc == null)
 294                                         fc = d.__CURSOR;
 295                                 lc = d.__CURSOR;
 296
 297                                 var priority;
 298                                 if (d.PRIORITY != undefined)
 299                                         priority = parseInt(d.PRIORITY);
 300                                 else
 301                                         priority = 6;
 302
 303                                 if (priority <= 3)
 304                                         clazz = "message-error";
 305                                 else if (priority <= 5)
 306                                         clazz = "message-highlight";
 307                                 else
 308                                         clazz = "message";
 309
 310                                 buf += '<tr><td class="timestamp">';
 311
 312                                 if (d.__REALTIME_TIMESTAMP != undefined) {
 313                                         var timestamp = new Date(parseInt(d.__REALTIME_TIMESTAMP) / 1000);
 314                                         buf += timestamp.toLocaleString();
 315                                 }
 316
 317                                 buf += '</td><td class="process">';
 318
 319                                 if (d.SYSLOG_IDENTIFIER != undefined)
 320                                         buf += escapeHTML(d.SYSLOG_IDENTIFIER);
 321                                 else if (d._COMM != undefined)
 322                                         buf += escapeHTML(d._COMM);
 323
 324                                 if (d._PID != undefined)
 325                                         buf += "[" + escapeHTML(d._PID) + "]";
 326                                 else if (d.SYSLOG_PID != undefined)
 327                                         buf += "[" + escapeHTML(d.SYSLOG_PID) + "]";
 328
 329                                 buf += '</td><td class="' + clazz + '"><a href="#entry" onclick="onMessageClick(\'' + lc + '\');">';
 330
 331                                 if (d.MESSAGE == null)
 332                                         buf += "[blob data]";
 333                                 else if (d.MESSAGE instanceof Array)
 334                                         buf += "[" + formatBytes(d.MESSAGE.length) + " blob data]";
 335                                 else
 336                                         buf += escapeHTML(d.MESSAGE);
 337
 338                                 buf += '</a></td></tr>';
 339                         }
 340
 341                         logs.innerHTML = '<tbody>' + buf + '</tbody>';
 342
 343                         if (fc != null)
 344                                 first_cursor = fc;
 345                         if (lc != null)
 346                                 last_cursor = lc;
 347                 }
 348
 349                 function entriesMore() {
 350                         setNEntries(getNEntries() + 10);
 351                         entriesLoad(first_cursor);
 352                 }
 353
 354                 function entriesLess() {
 355                         setNEntries(getNEntries() - 10);
 356                         entriesLoad(first_cursor);
 357                 }
 358
 359                 function onResultMessageClick(event) {
 360                         if ((event.currentTarget.readyState != 4) ||
 361                                 (event.currentTarget.status != 200 && event.currentTarget.status != 0))
 362                                 return;
 363
 364                         var d = JSON.parse(event.currentTarget.responseText);
 365
 366                         document.getElementById("diventry").style.display = "block";
 367                         entry = document.getElementById("tableentry");
 368
 369                         var buf = "";
 370                         for (var key in d){
 371                                 var data = d[key];
 372
 373                                 if (data == null)
 374                                         data = "[blob data]";
 375                                 else if (data instanceof Array)
 376                                         data = "[" + formatBytes(data.length) + " blob data]";
 377                                 else
 378                                         data = escapeHTML(data);
 379
 380                                 buf += '<tr><td class="field">' + key + '</td><td class="data">' + data + '</td></tr>';
 381                         }
 382                         entry.innerHTML = '<tbody>' + buf + '</tbody>';
 383                 }
 384
 385                 function onMessageClick(t) {
 386                         var request = new XMLHttpRequest();
 387                         request.open("GET", "/entries?discrete");
 388                         request.onreadystatechange = onResultMessageClick;
 389                         request.setRequestHeader("Accept", "application/json");
 390                         request.setRequestHeader("Range", "entries=" + t + ":0:1");
 391                         request.send(null);
 392                 }
 393
 394                 function onKeyUp(event) {
 395                         switch (event.keyCode) {
 396                                 case 8:
 397                                 case 37:
 398                                 case 75:
 399                                         entriesLoadPrevious();
 400                                         break;
 401                                 case 32:
 402                                 case 39:
 403                                 case 74:
 404                                         entriesLoadNext();
 405                                         break;
 406
 407                                 case 71:
 408                                         if (event.shiftKey)
 409                                                 entriesLoadTail();
 410                                         else
 411                                                 entriesLoadHead();
 412                                         break;
 413                                 case 171:
 414                                         entriesMore();
 415                                         break;
 416                                 case 173:
 417                                         entriesLess();
 418                                         break;
 419                         }
 420                 }
 421
 422                 function onMouseWheel(event) {
 423                         if (event.detail < 0 || event.wheelDelta > 0)
 424                                 entriesLoadPrevious();
 425                         else
 426                                 entriesLoadNext();
 427                 }
 428
 429                 machineLoad();
 430                 entriesLoad("");
 431                 showNEntries(getNEntries());
 432                 document.onkeyup = onKeyUp;
 433
 434                 logs = document.getElementById("tablelogs");
 435                 logs.addEventListener("mousewheel", onMouseWheel, false);
 436                 logs.addEventListener("DOMMouseScroll", onMouseWheel, false);
 437         </script>
 438 </body>
 439 </html>