5 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
6 <style type="text/css">
8 font-family: monospace;
10 background-color: #ffffff;
13 border-radius: 10px 10px 10px 10px;
14 border: 1px solid threedshadow;
19 background-color: #ededed;
26 border-right: 1px dotted lightgrey;
30 border-right: 1px dotted lightgrey;
42 td.message-highlight {
47 border-collapse:collapse;
55 - show red lines for reboots
56 - show contents of entries -->
61 <div id="virtualization"></div>
62 <div id="cutoff"></div>
63 <div id="machine"></div>
64 <div id="usage"></div>
65 <div id="showing"></div>
67 <div id="divlogs"><table id="tablelogs"></table></div>
70 <input id="head" type="button" value="|<" onclick="entriesLoadHead();"/>
71 <input id="previous" type="button" value="<<" onclick="entriesLoadPrevious();"/>
72 <input id="next" type="button" value=">>" onclick="entriesLoadNext();"/>
73 <input id="tail" type="button" value=">|" onclick="entriesLoadTail();"/>
74
75 <input id="more" type="button" value="More" onclick="entriesMore();"/>
76 <input id="less" type="button" value="Less" onclick="entriesLess();"/>
79 <script type="text/javascript">
80 var first_cursor = null;
81 var last_cursor = null;
83 function setCookie(name, value, msec) {
85 d.setMilliseconds(d.getMilliseconds() + msec);
86 var v = escape(value) + "; expires=" + d.toUTCString();
87 document.cookie = name + "=" + value;
90 function getCookie(name) {
92 l = document.cookie.split(";");
95 j = l[i].indexOf("=");
96 x = l[i].substr(0, j);
104 function getNEntries() {
106 n = getCookie("n_entries");
112 function showNEntries(n) {
113 var showing = document.getElementById("showing");
114 showing.innerHTML = "Showing <b>" + n.toString() + "</b> entries.";
117 function setNEntries(n) {
123 setCookie("n_entries", n.toString(), 30*24*60*60*1000);
127 function machineLoad() {
128 var request = new XMLHttpRequest();
129 request.open("GET", "/machine");
130 request.onreadystatechange = machineOnResult;
131 request.setRequestHeader("Accept", "application/json");
135 function formatBytes(u) {
136 if (u >= 1024*1024*1024*1024)
137 return (u/1024/1024/1024/1024).toFixed(1) + " TiB";
138 else if (u >= 1024*1024*1024)
139 return (u/1024/1024/1024).toFixed(1) + " GiB";
140 else if (u >= 1024*1024)
141 return (u/1024/1024).toFixed(1) + " MiB";
143 return (u/1024).toFixed(1) + " KiB";
145 return u.toString() + " B";
148 function machineOnResult(event) {
149 if ((event.currentTarget.readyState != 4) ||
150 (event.currentTarget.status != 200 && event.currentTarget.status != 0))
153 var d = JSON.parse(event.currentTarget.responseText);
155 var title = document.getElementById("title");
156 title.innerHTML = 'Journal of ' + d.hostname;
157 document.title = 'Journal of ' + d.hostname;
159 var machine = document.getElementById("machine");
160 machine.innerHTML = 'Machine ID is <b>' + d.machine_id + '</b>, current boot ID is <b>' + d.boot_id + '</b>.';
162 var cutoff = document.getElementById("cutoff");
163 var from = new Date(parseInt(d.cutoff_from_realtime) / 1000);
164 var to = new Date(parseInt(d.cutoff_to_realtime) / 1000);
165 cutoff.innerHTML = 'Journal begins at <b>' + from.toLocaleString() + '</b> and ends at <b>' + to.toLocaleString() + '</b>.';
167 var usage = document.getElementById("usage");
168 usage.innerHTML = 'Disk usage is <b>' + formatBytes(parseInt(d.usage)) + '</b>.';
170 var os = document.getElementById("os");
171 os.innerHTML = 'Operating system is <b>' + d.os_pretty_name + '</b>.';
173 var virtualization = document.getElementById("virtualization");
174 virtualization.innerHTML = d.virtualization == "bare" ? "Running on <b>bare metal</b>." : "Running on virtualization <b>" + d.virtualization + "</b>.";
177 function entriesLoad(range) {
178 var request = new XMLHttpRequest();
179 request.open("GET", "/entries");
180 request.onreadystatechange = entriesOnResult;
181 request.setRequestHeader("Accept", "application/json");
182 request.setRequestHeader("Range", "entries=" + range + ":" + getNEntries().toString());
186 function entriesLoadNext() {
187 if (last_cursor == null)
190 entriesLoad(last_cursor + ":1");
193 function entriesLoadPrevious() {
194 if (first_cursor == null)
197 entriesLoad(first_cursor + ":-" + getNEntries().toString());
200 function entriesLoadHead() {
204 function entriesLoadTail() {
205 entriesLoad(":-" + getNEntries().toString());
208 function entriesOnResult(event) {
210 if ((event.currentTarget.readyState != 4) ||
211 (event.currentTarget.status != 200 && event.currentTarget.status != 0))
214 var logs = document.getElementById("tablelogs");
220 var l = event.currentTarget.responseText.split('\n');
223 logs.innerHTML = '<tbody><tr><td colspan="3"><i>No further entries...</i></td></tr></tbody>';
234 var d = JSON.parse(l[i]);
235 if (d.MESSAGE == undefined || d.__CURSOR == undefined)
243 if (d.PRIORITY != undefined)
244 priority = parseInt(d.PRIORITY);
249 clazz = "message-error";
250 else if (priority <= 5)
251 clazz = "message-highlight";
255 buf += '<tr><td class="timestamp">';
257 if (d.__REALTIME_TIMESTAMP != undefined) {
258 var timestamp = new Date(parseInt(d.__REALTIME_TIMESTAMP) / 1000);
259 buf += timestamp.toLocaleString();
262 buf += '</td><td class="process">';
264 if (d.SYSLOG_IDENTIFIER != undefined)
265 buf += d.SYSLOG_IDENTIFIER;
266 else if (d._COMM != undefined)
269 if (d._PID != undefined)
270 buf += "[" + d._PID + "]";
271 else if (d.SYSLOG_PID != undefined)
272 buf += "[" + d.SYSLOG_PID + "]";
274 buf += '</td><td class="' + clazz + '">';
276 if (d.MESSAGE == null)
277 buf += "[blob data]";
278 else if (d.MESSAGE instanceof Array)
279 buf += "[" + formatBytes(d.MESSAGE.length) + " blob data]";
286 logs.innerHTML = buf + '</tbody>';
294 function entriesMore() {
295 setNEntries(getNEntries() + 10);
299 function entriesLess() {
300 setNEntries(getNEntries() - 10);
306 showNEntries(getNEntries());