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: 2em;
  84                 }
  85                 .key {
  86                         font-weight: bold;
  87                         color: #313739;
  88                 }
  89                 form {
  90                         text-align: center;
  91                 }
  92                 input {
  93                         font-size: 10pt;
  94                         font-weight: bold;
  95                 }
  96         </style>
  97 </head>
  98
  99 <body>
 100         <!-- TODO:
 101                 - live display
 102                 - localstorage
 103                 - show red lines for reboots -->
 104
 105         <h1 id="title"></h1>
 106
 107         <div id="os"></div>
 108         <div id="virtualization"></div>
 109         <div id="cutoff"></div>
 110         <div id="machine"></div>
 111         <div id="usage"></div>
 112         <div id="showing"></div>
 113
 114         <div id="divlogs"><table id="tablelogs"></table></div>
 115         <a name="entry"></a>
 116         <div id="diventry"><table id="tableentry"></table></div>
 117
 118         <form>
 119                 <input id="head" type="button" value="|&lt;" onclick="entriesLoadHead();"/>
 120                 <input id="previous" type="button" value="&lt;&lt;" onclick="entriesLoadPrevious();"/>
 121                 <input id="next" type="button" value="&gt;&gt;" onclick="entriesLoadNext();"/>
 122                 <input id="tail" type="button" value="&gt;|" onclick="entriesLoadTail();"/>
 123                 &nbsp;&nbsp;&nbsp;&nbsp;
 124                 <input id="more" type="button" value="More" onclick="entriesMore();"/>
 125                 <input id="less" type="button" value="Less" onclick="entriesLess();"/>
 126         </form>
 127
 128         <div id="keynav">
 129                 <span class="key">g</span>: First Page &nbsp;&nbsp;&nbsp;&nbsp;
 130                 <span class="key">&#8592;, k, BACKSPACE</span>: Previous Page &nbsp;&nbsp;&nbsp;&nbsp;
 131                 <span class="key">&#8594;, j, SPACE</span>: Next Page &nbsp;&nbsp;&nbsp;&nbsp;
 132                 <span class="key">G</span>: Last Page &nbsp;&nbsp;&nbsp;&nbsp;
 133                 <span class="key">+</span>: More entries &nbsp;&nbsp;&nbsp;&nbsp;
 134                 <span class="key">-</span>: Fewer entries
 135         </div>
 136
 137         <script type="text/javascript">
 138                 var first_cursor = null;
 139                 var last_cursor = null;
 140
 141                 function setCookie(name, value, msec) {
 142                         var d = new Date();
 143                         d.setMilliseconds(d.getMilliseconds() + msec);
 144                         var v = escape(value) + "; expires=" + d.toUTCString();
 145                         document.cookie = name + "=" + value;
 146                 }
 147
 148                 function getCookie(name) {
 149                         var i, l;
 150                         l = document.cookie.split(";");
 151                         for (i in l) {
 152                                 var x, y, j;
 153                                 j = l[i].indexOf("=");
 154                                 x = l[i].substr(0, j);
 155                                 y = l[i].substr(j+1);
 156                                 if (x == name)
 157                                         return unescape(y);
 158                         }
 159                         return null;
 160                 }
 161
 162                 function getNEntries() {
 163                         var n;
 164                         n = getCookie("n_entries");
 165                         if (n == null)
 166                                 return 50;
 167                         return parseInt(n);
 168                 }
 169
 170                 function showNEntries(n) {
 171                         var showing = document.getElementById("showing");
 172                         showing.innerHTML = "Showing <b>" + n.toString() + "</b> entries.";
 173                 }
 174
 175                 function setNEntries(n) {
 176                         if (n < 10)
 177                                 n = 10;
 178                         else if (n > 1000)
 179                                 n = 1000;
 180
 181                         setCookie("n_entries", n.toString(), 30*24*60*60*1000);
 182                         showNEntries(n);
 183                 }
 184
 185                 function machineLoad() {
 186                         var request = new XMLHttpRequest();
 187                         request.open("GET", "/machine");
 188                         request.onreadystatechange = machineOnResult;
 189                         request.setRequestHeader("Accept", "application/json");
 190                         request.send(null);
 191                 }
 192
 193                 function formatBytes(u) {
 194                         if (u >= 1024*1024*1024*1024)
 195                                 return (u/1024/1024/1024/1024).toFixed(1) + " TiB";
 196                         else if (u >= 1024*1024*1024)
 197                                 return (u/1024/1024/1024).toFixed(1) + " GiB";
 198                         else if (u >= 1024*1024)
 199                                 return (u/1024/1024).toFixed(1) + " MiB";
 200                         else if (u >= 1024)
 201                                 return (u/1024).toFixed(1) + " KiB";
 202                         else
 203                                 return u.toString() + " B";
 204                 }
 205
 206                 function escapeHTML(s) {
 207                         return s.replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;");
 208                 }
 209
 210                 function machineOnResult(event) {
 211                         if ((event.currentTarget.readyState != 4) ||
 212                                 (event.currentTarget.status != 200 && event.currentTarget.status != 0))
 213                                 return;
 214
 215                         var d = JSON.parse(event.currentTarget.responseText);
 216
 217                         var title = document.getElementById("title");
 218                         title.innerHTML = 'Journal of ' + escapeHTML(d.hostname);
 219                         document.title = 'Journal of ' + escapeHTML(d.hostname);
 220
 221                         var machine = document.getElementById("machine");
 222                         machine.innerHTML = 'Machine ID is <b>' + d.machine_id + '</b>, current boot ID is <b>' + d.boot_id + '</b>.';
 223
 224                         var cutoff = document.getElementById("cutoff");
 225                         var from = new Date(parseInt(d.cutoff_from_realtime) / 1000);
 226                         var to = new Date(parseInt(d.cutoff_to_realtime) / 1000);
 227                         cutoff.innerHTML = 'Journal begins at <b>' + from.toLocaleString() + '</b> and ends at <b>' + to.toLocaleString() + '</b>.';
 228
 229                         var usage = document.getElementById("usage");
 230                         usage.innerHTML = 'Disk usage is <b>' + formatBytes(parseInt(d.usage)) + '</b>.';
 231
 232                         var os = document.getElementById("os");
 233                         os.innerHTML = 'Operating system is <b>' + escapeHTML(d.os_pretty_name) + '</b>.';
 234
 235                         var virtualization = document.getElementById("virtualization");
 236                         virtualization.innerHTML = d.virtualization == "bare" ? "Running on <b>bare metal</b>." : "Running on virtualization <b>" + escapeHTML(d.virtualization) + "</b>.";
 237                 }
 238
 239                 function entriesLoad(range) {
 240                         var request = new XMLHttpRequest();
 241                         request.open("GET", "/entries");
 242                         request.onreadystatechange = entriesOnResult;
 243                         request.setRequestHeader("Accept", "application/json");
 244                         request.setRequestHeader("Range", "entries=" + range + ":" + getNEntries().toString());
 245                         request.send(null);
 246                 }
 247
 248                 function entriesLoadNext() {
 249                         if (last_cursor == null)
 250                                 entriesLoad("");
 251                         else
 252                                 entriesLoad(last_cursor + ":1");
 253                 }
 254
 255                 function entriesLoadPrevious() {
 256                         if (first_cursor == null)
 257                                 entriesLoad("");
 258                         else
 259                                 entriesLoad(first_cursor + ":-" + getNEntries().toString());
 260                 }
 261
 262                 function entriesLoadHead() {
 263                         entriesLoad("");
 264                 }
 265
 266                 function entriesLoadTail() {
 267                         entriesLoad(":-" + getNEntries().toString());
 268                 }
 269
 270                 function entriesOnResult(event) {
 271
 272                         if ((event.currentTarget.readyState != 4) ||
 273                                 (event.currentTarget.status != 200 && event.currentTarget.status != 0))
 274                                 return;
 275
 276                         var logs = document.getElementById("tablelogs");
 277
 278                         var lc = null;
 279                         var fc = null;
 280
 281                         var i;
 282                         var l = event.currentTarget.responseText.split('\n');
 283
 284                         if (l.length <= 1) {
 285                                 logs.innerHTML = '<tbody><tr><td colspan="3"><i>No further entries...</i></td></tr></tbody>';
 286                                 return;
 287                         }
 288
 289                         var buf = '';
 290
 291                         for (i in l) {
 292
 293                                 if (l[i] == '')
 294                                         continue;
 295
 296                                 var d = JSON.parse(l[i]);
 297                                 if (d.MESSAGE == undefined || d.__CURSOR == undefined)
 298                                         continue;
 299
 300                                 if (fc == null)
 301                                         fc = d.__CURSOR;
 302                                 lc = d.__CURSOR;
 303
 304                                 var priority;
 305                                 if (d.PRIORITY != undefined)
 306                                         priority = parseInt(d.PRIORITY);
 307                                 else
 308                                         priority = 6;
 309
 310                                 if (priority <= 3)
 311                                         clazz = "message-error";
 312                                 else if (priority <= 5)
 313                                         clazz = "message-highlight";
 314                                 else
 315                                         clazz = "message";
 316
 317                                 buf += '<tr><td class="timestamp">';
 318
 319                                 if (d.__REALTIME_TIMESTAMP != undefined) {
 320                                         var timestamp = new Date(parseInt(d.__REALTIME_TIMESTAMP) / 1000);
 321                                         buf += timestamp.toLocaleString();
 322                                 }
 323
 324                                 buf += '</td><td class="process">';
 325
 326                                 if (d.SYSLOG_IDENTIFIER != undefined)
 327                                         buf += escapeHTML(d.SYSLOG_IDENTIFIER);
 328                                 else if (d._COMM != undefined)
 329                                         buf += escapeHTML(d._COMM);
 330
 331                                 if (d._PID != undefined)
 332                                         buf += "[" + escapeHTML(d._PID) + "]";
 333                                 else if (d.SYSLOG_PID != undefined)
 334                                         buf += "[" + escapeHTML(d.SYSLOG_PID) + "]";
 335
 336                                 buf += '</td><td class="' + clazz + '"><a href="#entry" onclick="onMessageClick(\'' + lc + '\');">';
 337
 338                                 if (d.MESSAGE == null)
 339                                         buf += "[blob data]";
 340                                 else if (d.MESSAGE instanceof Array)
 341                                         buf += "[" + formatBytes(d.MESSAGE.length) + " blob data]";
 342                                 else
 343                                         buf += escapeHTML(d.MESSAGE);
 344
 345                                 buf += '</a></td></tr>';
 346                         }
 347
 348                         logs.innerHTML = '<tbody>' + buf + '</tbody>';
 349
 350                         if (fc != null)
 351                                 first_cursor = fc;
 352                         if (lc != null)
 353                                 last_cursor = lc;
 354                 }
 355
 356                 function entriesMore() {
 357                         setNEntries(getNEntries() + 10);
 358                         entriesLoad(first_cursor);
 359                 }
 360
 361                 function entriesLess() {
 362                         setNEntries(getNEntries() - 10);
 363                         entriesLoad(first_cursor);
 364                 }
 365
 366                 function onResultMessageClick(event) {
 367                         if ((event.currentTarget.readyState != 4) ||
 368                                 (event.currentTarget.status != 200 && event.currentTarget.status != 0))
 369                                 return;
 370
 371                         var d = JSON.parse(event.currentTarget.responseText);
 372
 373                         document.getElementById("diventry").style.display = "block";
 374                         entry = document.getElementById("tableentry");
 375
 376                         var buf = "";
 377                         for (var key in d){
 378                                 var data = d[key];
 379
 380                                 if (data == null)
 381                                         data = "[blob data]";
 382                                 else if (data instanceof Array)
 383                                         data = "[" + formatBytes(data.length) + " blob data]";
 384                                 else
 385                                         data = escapeHTML(data);
 386
 387                                 buf += '<tr><td class="field">' + key + '</td><td class="data">' + data + '</td></tr>';
 388                         }
 389                         entry.innerHTML = '<tbody>' + buf + '</tbody>';
 390                 }
 391
 392                 function onMessageClick(t) {
 393                         var request = new XMLHttpRequest();
 394                         request.open("GET", "/entries?discrete");
 395                         request.onreadystatechange = onResultMessageClick;
 396                         request.setRequestHeader("Accept", "application/json");
 397                         request.setRequestHeader("Range", "entries=" + t + ":0:1");
 398                         request.send(null);
 399                 }
 400
 401                 function onKeyUp(event) {
 402                         switch (event.keyCode) {
 403                                 case 8:
 404                                 case 37:
 405                                 case 75:
 406                                         entriesLoadPrevious();
 407                                         break;
 408                                 case 32:
 409                                 case 39:
 410                                 case 74:
 411                                         entriesLoadNext();
 412                                         break;
 413
 414                                 case 71:
 415                                         if (event.shiftKey)
 416                                                 entriesLoadTail();
 417                                         else
 418                                                 entriesLoadHead();
 419                                         break;
 420                                 case 171:
 421                                         entriesMore();
 422                                         break;
 423                                 case 173:
 424                                         entriesLess();
 425                                         break;
 426                         }
 427                 }
 428
 429                 function onMouseWheel(event) {
 430                         if (event.detail < 0 || event.wheelDelta > 0)
 431                                 entriesLoadPrevious();
 432                         else
 433                                 entriesLoadNext();
 434                 }
 435
 436                 machineLoad();
 437                 entriesLoad("");
 438                 showNEntries(getNEntries());
 439                 document.onkeyup = onKeyUp;
 440
 441                 logs = document.getElementById("tablelogs");
 442                 logs.addEventListener("mousewheel", onMouseWheel, false);
 443                 logs.addEventListener("DOMMouseScroll", onMouseWheel, false);
 444         </script>
 445 </body>
 446 </html>