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;
10 background-color: #ffffff;
13 border-radius: 10px 10px 10px 10px;
14 border: 1px solid threedshadow;
25 background-color: #ededed;
32 border-right: 1px dotted lightgrey;
36 border-right: 1px dotted lightgrey;
43 td.message > a:link, td.message > a:visited {
44 text-decoration: none;
52 td.message-error > a:link, td.message-error > a:visited {
53 text-decoration: none;
56 td.message-highlight {
60 td.message-highlight > a:link, td.message-highlight > a:visited {
61 text-decoration: none;
64 td > a:hover, td > a:active {
65 text-decoration: underline;
68 table#tablelogs, table#tableentry {
69 border-collapse: collapse;
73 border-right: 1px dotted lightgrey;
102 - show red lines for reboots -->
107 <div id="virtualization"></div>
108 <div id="cutoff"></div>
109 <div id="machine"></div>
110 <div id="usage"></div>
111 <div id="showing"></div>
113 <div id="divlogs"><table id="tablelogs"></table></div>
115 <div id="diventry"><table id="tableentry"></table></div>
118 <input id="head" type="button" value="|<" onclick="entriesLoadHead();"/>
119 <input id="previous" type="button" value="<<" onclick="entriesLoadPrevious();"/>
120 <input id="next" type="button" value=">>" onclick="entriesLoadNext();"/>
121 <input id="tail" type="button" value=">|" onclick="entriesLoadTail();"/>
122
123 <input id="more" type="button" value="More" onclick="entriesMore();"/>
124 <input id="less" type="button" value="Less" onclick="entriesLess();"/>
128 <span class="key">g</span>: First Page
129 <span class="key">←, k, BACKSPACE</span>: Previous Page
130 <span class="key">→, j, SPACE</span>: Next Page
131 <span class="key">G</span>: Last Page
132 <span class="key">+</span>: More entries
133 <span class="key">-</span>: Fewer entries
136 <script type="text/javascript">
137 var first_cursor = null;
138 var last_cursor = null;
140 function getNEntries() {
142 n = localStorage["n_entries"];
153 function showNEntries(n) {
154 var showing = document.getElementById("showing");
155 showing.innerHTML = "Showing <b>" + n.toString() + "</b> entries.";
158 function setNEntries(n) {
159 localStorage["n_entries"] = n.toString();
163 function machineLoad() {
164 var request = new XMLHttpRequest();
165 request.open("GET", "/machine");
166 request.onreadystatechange = machineOnResult;
167 request.setRequestHeader("Accept", "application/json");
171 function formatBytes(u) {
172 if (u >= 1024*1024*1024*1024)
173 return (u/1024/1024/1024/1024).toFixed(1) + " TiB";
174 else if (u >= 1024*1024*1024)
175 return (u/1024/1024/1024).toFixed(1) + " GiB";
176 else if (u >= 1024*1024)
177 return (u/1024/1024).toFixed(1) + " MiB";
179 return (u/1024).toFixed(1) + " KiB";
181 return u.toString() + " B";
184 function escapeHTML(s) {
185 return s.replace(/&/g, "&").replace(/</g, "<").replace(/>/g, ">");
188 function machineOnResult(event) {
189 if ((event.currentTarget.readyState != 4) ||
190 (event.currentTarget.status != 200 && event.currentTarget.status != 0))
193 var d = JSON.parse(event.currentTarget.responseText);
195 var title = document.getElementById("title");
196 title.innerHTML = 'Journal of ' + escapeHTML(d.hostname);
197 document.title = 'Journal of ' + escapeHTML(d.hostname);
199 var machine = document.getElementById("machine");
200 machine.innerHTML = 'Machine ID is <b>' + d.machine_id + '</b>, current boot ID is <b>' + d.boot_id + '</b>.';
202 var cutoff = document.getElementById("cutoff");
203 var from = new Date(parseInt(d.cutoff_from_realtime) / 1000);
204 var to = new Date(parseInt(d.cutoff_to_realtime) / 1000);
205 cutoff.innerHTML = 'Journal begins at <b>' + from.toLocaleString() + '</b> and ends at <b>' + to.toLocaleString() + '</b>.';
207 var usage = document.getElementById("usage");
208 usage.innerHTML = 'Disk usage is <b>' + formatBytes(parseInt(d.usage)) + '</b>.';
210 var os = document.getElementById("os");
211 os.innerHTML = 'Operating system is <b>' + escapeHTML(d.os_pretty_name) + '</b>.';
213 var virtualization = document.getElementById("virtualization");
214 virtualization.innerHTML = d.virtualization == "bare" ? "Running on <b>bare metal</b>." : "Running on virtualization <b>" + escapeHTML(d.virtualization) + "</b>.";
217 function entriesLoad(range) {
220 range = localStorage["cursor"];
224 var request = new XMLHttpRequest();
225 request.open("GET", "/entries");
226 request.onreadystatechange = entriesOnResult;
227 request.setRequestHeader("Accept", "application/json");
228 request.setRequestHeader("Range", "entries=" + range + ":" + getNEntries().toString());
232 function entriesLoadNext() {
233 if (last_cursor == null)
236 entriesLoad(last_cursor + ":1");
239 function entriesLoadPrevious() {
240 if (first_cursor == null)
243 entriesLoad(first_cursor + ":-" + getNEntries().toString());
246 function entriesLoadHead() {
250 function entriesLoadTail() {
251 entriesLoad(":-" + getNEntries().toString());
254 function entriesOnResult(event) {
256 if ((event.currentTarget.readyState != 4) ||
257 (event.currentTarget.status != 200 && event.currentTarget.status != 0))
260 var logs = document.getElementById("tablelogs");
266 var l = event.currentTarget.responseText.split('\n');
269 logs.innerHTML = '<tbody><tr><td colspan="3"><i>No further entries...</i></td></tr></tbody>';
280 var d = JSON.parse(l[i]);
281 if (d.MESSAGE == undefined || d.__CURSOR == undefined)
289 if (d.PRIORITY != undefined)
290 priority = parseInt(d.PRIORITY);
295 clazz = "message-error";
296 else if (priority <= 5)
297 clazz = "message-highlight";
301 buf += '<tr><td class="timestamp">';
303 if (d.__REALTIME_TIMESTAMP != undefined) {
304 var timestamp = new Date(parseInt(d.__REALTIME_TIMESTAMP) / 1000);
305 buf += timestamp.toLocaleString();
308 buf += '</td><td class="process">';
310 if (d.SYSLOG_IDENTIFIER != undefined)
311 buf += escapeHTML(d.SYSLOG_IDENTIFIER);
312 else if (d._COMM != undefined)
313 buf += escapeHTML(d._COMM);
315 if (d._PID != undefined)
316 buf += "[" + escapeHTML(d._PID) + "]";
317 else if (d.SYSLOG_PID != undefined)
318 buf += "[" + escapeHTML(d.SYSLOG_PID) + "]";
320 buf += '</td><td class="' + clazz + '"><a href="#entry" onclick="onMessageClick(\'' + d.__CURSOR + '\');">';
322 if (d.MESSAGE == null)
323 buf += "[blob data]";
324 else if (d.MESSAGE instanceof Array)
325 buf += "[" + formatBytes(d.MESSAGE.length) + " blob data]";
327 buf += escapeHTML(d.MESSAGE);
329 buf += '</a></td></tr>';
332 logs.innerHTML = '<tbody>' + buf + '</tbody>';
336 localStorage["cursor"] = fc;
342 function entriesMore() {
343 setNEntries(getNEntries() + 10);
344 entriesLoad(first_cursor);
347 function entriesLess() {
348 setNEntries(getNEntries() - 10);
349 entriesLoad(first_cursor);
352 function onResultMessageClick(event) {
353 if ((event.currentTarget.readyState != 4) ||
354 (event.currentTarget.status != 200 && event.currentTarget.status != 0))
357 var d = JSON.parse(event.currentTarget.responseText);
359 document.getElementById("diventry").style.display = "block";
360 entry = document.getElementById("tableentry");
367 data = "[blob data]";
368 else if (data instanceof Array)
369 data = "[" + formatBytes(data.length) + " blob data]";
371 data = escapeHTML(data);
373 buf += '<tr><td class="field">' + key + '</td><td class="data">' + data + '</td></tr>';
375 entry.innerHTML = '<tbody>' + buf + '</tbody>';
378 function onMessageClick(t) {
379 var request = new XMLHttpRequest();
380 request.open("GET", "/entries?discrete");
381 request.onreadystatechange = onResultMessageClick;
382 request.setRequestHeader("Accept", "application/json");
383 request.setRequestHeader("Range", "entries=" + t + ":0:1");
387 function onKeyUp(event) {
388 switch (event.keyCode) {
392 entriesLoadPrevious();
415 function onMouseWheel(event) {
416 if (event.detail < 0 || event.wheelDelta > 0)
417 entriesLoadPrevious();
424 showNEntries(getNEntries());
425 document.onkeyup = onKeyUp;
427 logs = document.getElementById("tablelogs");
428 logs.addEventListener("mousewheel", onMouseWheel, false);
429 logs.addEventListener("DOMMouseScroll", onMouseWheel, false);