<title>Journal</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<style type="text/css">
- div#logs {
+ div#divlogs, div#diventry {
font-family: monospace;
- font-size: 8pt;
+ font-size: 7pt;
background-color: #ffffff;
padding: 1em;
margin: 2em 0em;
white-space: nowrap;
overflow-x: scroll;
}
+ div#diventry {
+ display: none;
+ }
+ div#divlogs {
+ display: block;
+ }
body {
background-color: #ededed;
color: #313739;
font: message-box;
- margin: 5em;
+ margin: 3em;
}
-
- .log-error {
+ td.timestamp {
+ text-align: right;
+ border-right: 1px dotted lightgrey;
+ padding-right: 5px;
+ }
+ td.process {
+ border-right: 1px dotted lightgrey;
+ padding-left: 5px;
+ padding-right: 5px;
+ }
+ td.message {
+ padding-left: 5px;
+ }
+ td.message > a:link, td.message > a:visited {
+ text-decoration: none;
+ color: #313739;
+ }
+ td.message-error {
+ padding-left: 5px;
color: red;
font-weight: bold;
}
- .log-highlight {
+ td.message-error > a:link, td.message-error > a:visited {
+ text-decoration: none;
+ color: red;
+ }
+ td.message-highlight {
+ padding-left: 5px;
font-weight: bold;
}
+ td.message-highlight > a:link, td.message-highlight > a:visited {
+ text-decoration: none;
+ color: #313739;
+ }
+ td > a:hover, td > a:active {
+ text-decoration: underline;
+ color: #c13739;
+ }
+ table#tablelogs, table#tableentry {
+ border-collapse: collapse;
+ }
+ td.field {
+ text-align: right;
+ border-right: 1px dotted lightgrey;
+ padding-right: 5px;
+ }
+ td.data {
+ padding-left: 5px;
+ }
+ div#keynav {
+ text-align: center;
+ font-size: 7pt;
+ color: #818789;
+ padding-top: 2em;
+ }
+ span.key {
+ font-weight: bold;
+ color: #313739;
+ }
+ div#buttonnav {
+ text-align: center;
+ }
+ button {
+ font-size: 18pt;
+ font-weight: bold;
+ width: 2em;
+ height: 2em;
+ }
+ div#filternav {
+ text-align: center;
+ }
+ select {
+ width: 50em;
+ }
</style>
</head>
<body>
<!-- TODO:
-
- - seek to back properly
- - handle seek before front properly
- - show red lines for reboots
- - show contents of entries -->
+ - live display
+ - show red lines for reboots -->
<h1 id="title"></h1>
<div id="usage"></div>
<div id="showing"></div>
- <div id="logs"></div>
-
- <form>
- <input id="head" type="button" value="|<" onclick="entriesLoadHead();"/>
- <input id="previous" type="button" value="<<" onclick="entriesLoadPrevious();"/>
- <input id="next" type="button" value=">>" onclick="entriesLoadNext();"/>
- <input id="tail" type="button" value=">|" onclick="entriesLoadTail();"/>
+ <div id="filternav">
+ <select id="filter" onchange="onFilterChange(this);" onfocus="onFilterFocus(this);">
+ <option>No filter</option>
+ </select>
+
+ <input id="boot" type="checkbox" onchange="onBootChange(this);">Only current boot</input>
+ </div>
+
+ <div id="divlogs"><table id="tablelogs"></table></div>
+ <a name="entry"></a>
+ <div id="diventry"><table id="tableentry"></table></div>
+
+ <div id="buttonnav">
+ <button id="head" onclick="entriesLoadHead();" title="First Page">⇤</button>
+ <button id="previous" type="button" onclick="entriesLoadPrevious();" title="Previous Page"/>←</button>
+ <button id="next" type="button" onclick="entriesLoadNext();" title="Next Page"/>→</button>
+ <button id="tail" type="button" onclick="entriesLoadTail();" title="Last Page"/>⇥</button>
- <input id="more" type="button" value="More" onclick="entriesMore();"/>
- <input id="less" type="button" value="Less" onclick="entriesLess();"/>
- </form>
+ <button id="more" type="button" onclick="entriesMore();" title="More Entries"/>+</button>
+ <button id="less" type="button" onclick="entriesLess();" title="Fewer Entries"/>-</button>
+ </div>
+
+ <div id="keynav">
+ <span class="key">g</span>: First Page
+ <span class="key">←, k, BACKSPACE</span>: Previous Page
+ <span class="key">→, j, SPACE</span>: Next Page
+ <span class="key">G</span>: Last Page
+ <span class="key">+</span>: More entries
+ <span class="key">-</span>: Fewer entries
+ </div>
<script type="text/javascript">
var first_cursor = null;
var last_cursor = null;
- function setCookie(name, value, msec) {
- var d = new Date();
- d.setMilliseconds(d.getMilliseconds() + msec);
- var v = escape(value) + "; expires=" + d.toUTCString();
- document.cookie = name + "=" + value;
- }
-
- function getCookie(name) {
- var i, l;
- l = document.cookie.split(";");
- for (i in l) {
- var x, y, j;
- j = l[i].indexOf("=");
- x = l[i].substr(0, j);
- y = l[i].substr(j+1);
- if (x == name)
- return unescape(y);
- }
- return null;
- }
-
function getNEntries() {
var n;
- n = getCookie("n_entries");
+ n = localStorage["n_entries"];
if (n == null)
return 50;
- return parseInt(n);
+ n = parseInt(n);
+ if (n < 10)
+ return 10;
+ if (n > 1000)
+ return 1000;
+ return n;
}
function showNEntries(n) {
function setNEntries(n) {
if (n < 10)
- n = 10;
- else if (n > 1000)
- n = 1000;
-
- setCookie("n_entries", n.toString(), 30*24*60*60*1000);
+ return 10;
+ if (n > 1000)
+ return 1000;
+ localStorage["n_entries"] = n.toString();
showNEntries(n);
}
return u.toString() + " B";
}
+ function escapeHTML(s) {
+ return s.replace(/&/g, "&").replace(/</g, "<").replace(/>/g, ">");
+ }
+
function machineOnResult(event) {
if ((event.currentTarget.readyState != 4) ||
(event.currentTarget.status != 200 && event.currentTarget.status != 0))
var d = JSON.parse(event.currentTarget.responseText);
var title = document.getElementById("title");
- title.innerHTML = 'Journal of ' + d.hostname;
- document.title = 'Journal of ' + d.hostname;
+ title.innerHTML = 'Journal of ' + escapeHTML(d.hostname);
+ document.title = 'Journal of ' + escapeHTML(d.hostname);
var machine = document.getElementById("machine");
machine.innerHTML = 'Machine ID is <b>' + d.machine_id + '</b>, current boot ID is <b>' + d.boot_id + '</b>.';
usage.innerHTML = 'Disk usage is <b>' + formatBytes(parseInt(d.usage)) + '</b>.';
var os = document.getElementById("os");
- os.innerHTML = 'Operating system is <b>' + d.os_pretty_name + '</b>.';
+ os.innerHTML = 'Operating system is <b>' + escapeHTML(d.os_pretty_name) + '</b>.';
var virtualization = document.getElementById("virtualization");
- virtualization.innerHTML = d.virtualization == "bare" ? "Running on <b>bare metal</b>." : "Running on virtualization <b>" + d.virtualization + "</b>.";
+ virtualization.innerHTML = d.virtualization == "bare" ? "Running on <b>bare metal</b>." : "Running on virtualization <b>" + escapeHTML(d.virtualization) + "</b>.";
}
function entriesLoad(range) {
+
+ if (range == null)
+ range = localStorage["cursor"] + ":0";
+ if (range == null)
+ range = "";
+
+ var url = "/entries";
+
+ if (localStorage["filter"] != "" && localStorage["filter"] != null) {
+ url += "?_SYSTEMD_UNIT=" + escape(localStorage["filter"]);
+
+ if (localStorage["boot"] == "1")
+ url += "&boot";
+ } else {
+ if (localStorage["boot"] == "1")
+ url += "?boot";
+ }
+
var request = new XMLHttpRequest();
- request.open("GET", "/entries");
+ request.open("GET", url);
request.onreadystatechange = entriesOnResult;
request.setRequestHeader("Accept", "application/json");
request.setRequestHeader("Range", "entries=" + range + ":" + getNEntries().toString());
(event.currentTarget.status != 200 && event.currentTarget.status != 0))
return;
- var logs = document.getElementById("logs");
- logs.innerHTML = "";
+ var logs = document.getElementById("tablelogs");
var lc = null;
var fc = null;
- var i;
- var l = event.currentTarget.responseText.split('\n');
+ var i, l = event.currentTarget.responseText.split('\n');
if (l.length <= 1) {
- logs.innerHTML = "<i>No further entries...</i>";
+ logs.innerHTML = '<tbody><tr><td colspan="3"><i>No further entries...</i></td></tr></tbody>';
return;
}
+ var buf = '';
+
for (i in l) {
if (l[i] == '')
priority = 6;
if (priority <= 3)
- clazz = "log-error";
+ clazz = "message-error";
else if (priority <= 5)
- clazz = "log-highlight";
+ clazz = "message-highlight";
else
- clazz = "log-normal";
+ clazz = "message";
+
+ buf += '<tr><td class="timestamp">';
+
+ if (d.__REALTIME_TIMESTAMP != undefined) {
+ var timestamp = new Date(parseInt(d.__REALTIME_TIMESTAMP) / 1000);
+ buf += timestamp.toLocaleString();
+ }
- var line = '<div class="' + clazz + '">';
+ buf += '</td><td class="process">';
if (d.SYSLOG_IDENTIFIER != undefined)
- line += d.SYSLOG_IDENTIFIER;
+ buf += escapeHTML(d.SYSLOG_IDENTIFIER);
else if (d._COMM != undefined)
- line += d._COMM;
+ buf += escapeHTML(d._COMM);
if (d._PID != undefined)
- line += "[" + d._PID + "]";
+ buf += "[" + escapeHTML(d._PID) + "]";
else if (d.SYSLOG_PID != undefined)
- line += "[" + d.SYSLOG_PID + "]";
+ buf += "[" + escapeHTML(d.SYSLOG_PID) + "]";
+
+ buf += '</td><td class="' + clazz + '"><a href="#entry" onclick="onMessageClick(\'' + d.__CURSOR + '\');">';
if (d.MESSAGE == null)
- line += ": [blob data]</div>";
+ buf += "[blob data]";
else if (d.MESSAGE instanceof Array)
- line += ": [" + formatBytes(d.MESSAGE.length) + " blob data]</div>";
+ buf += "[" + formatBytes(d.MESSAGE.length) + " blob data]";
else
- line += ": " + d.MESSAGE + "</div>";
+ buf += escapeHTML(d.MESSAGE);
- logs.innerHTML += line;
+ buf += '</a></td></tr>';
}
- if (fc != null)
+ logs.innerHTML = '<tbody>' + buf + '</tbody>';
+
+ if (fc != null) {
first_cursor = fc;
+ localStorage["cursor"] = fc;
+ }
if (lc != null)
last_cursor = lc;
}
function entriesMore() {
setNEntries(getNEntries() + 10);
- entriesLoad("");
+ entriesLoad(first_cursor);
}
function entriesLess() {
setNEntries(getNEntries() - 10);
- entriesLoad("");
+ entriesLoad(first_cursor);
+ }
+
+ function onResultMessageClick(event) {
+ if ((event.currentTarget.readyState != 4) ||
+ (event.currentTarget.status != 200 && event.currentTarget.status != 0))
+ return;
+
+ var d = JSON.parse(event.currentTarget.responseText);
+
+ document.getElementById("diventry").style.display = "block";
+ entry = document.getElementById("tableentry");
+
+ var buf = "";
+ for (var key in d){
+ var data = d[key];
+
+ if (data == null)
+ data = "[blob data]";
+ else if (data instanceof Array)
+ data = "[" + formatBytes(data.length) + " blob data]";
+ else
+ data = escapeHTML(data);
+
+ buf += '<tr><td class="field">' + key + '</td><td class="data">' + data + '</td></tr>';
+ }
+ entry.innerHTML = '<tbody>' + buf + '</tbody>';
+ }
+
+ function onMessageClick(t) {
+ var request = new XMLHttpRequest();
+ request.open("GET", "/entries?discrete");
+ request.onreadystatechange = onResultMessageClick;
+ request.setRequestHeader("Accept", "application/json");
+ request.setRequestHeader("Range", "entries=" + t + ":0:1");
+ request.send(null);
+ }
+
+ function onKeyUp(event) {
+ switch (event.keyCode) {
+ case 8:
+ case 37:
+ case 75:
+ entriesLoadPrevious();
+ break;
+ case 32:
+ case 39:
+ case 74:
+ entriesLoadNext();
+ break;
+
+ case 71:
+ if (event.shiftKey)
+ entriesLoadTail();
+ else
+ entriesLoadHead();
+ break;
+ case 171:
+ entriesMore();
+ break;
+ case 173:
+ entriesLess();
+ break;
+ }
+ }
+
+ function onMouseWheel(event) {
+ if (event.detail < 0 || event.wheelDelta > 0)
+ entriesLoadPrevious();
+ else
+ entriesLoadNext();
+ }
+
+ function onResultFilterFocus(event) {
+ if ((event.currentTarget.readyState != 4) ||
+ (event.currentTarget.status != 200 && event.currentTarget.status != 0))
+ return;
+
+ f = document.getElementById("filter");
+
+ var l = event.currentTarget.responseText.split('\n');
+ var buf = '<option>No filter</option>';
+ var j = -1;
+
+ for (i in l) {
+
+ if (l[i] == '')
+ continue;
+
+ var d = JSON.parse(l[i]);
+ if (d._SYSTEMD_UNIT == undefined)
+ continue;
+
+ buf += '<option value="' + escape(d._SYSTEMD_UNIT) + '">' + escapeHTML(d._SYSTEMD_UNIT) + '</option>';
+
+ if (d._SYSTEMD_UNIT == localStorage["filter"])
+ j = i;
+ }
+
+ if (j < 0) {
+ if (localStorage["filter"] != null && localStorage["filter"] != "") {
+ buf += '<option value="' + escape(localStorage["filter"]) + '">' + escapeHTML(localStorage["filter"]) + '</option>';
+ j = i + 1;
+ } else
+ j = 0;
+ }
+
+ f.innerHTML = buf;
+ f.selectedIndex = j;
+ }
+
+ function onFilterFocus(w) {
+ var request = new XMLHttpRequest();
+ request.open("GET", "/fields/_SYSTEMD_UNIT");
+ request.onreadystatechange = onResultFilterFocus;
+ request.setRequestHeader("Accept", "application/json");
+ request.send(null);
+ }
+
+ function onFilterChange(w) {
+ if (w.selectedIndex <= 0)
+ localStorage["filter"] = "";
+ else
+ localStorage["filter"] = unescape(w.options[w.selectedIndex].value);
+
+ entriesLoadHead();
+ }
+
+ function onBootChange(w) {
+ localStorage["boot"] = w.checked ? "1" : "0";
+ entriesLoadHead();
+ }
+
+ function initFilter() {
+ f = document.getElementById("filter");
+
+ var buf = '<option>No filter</option>';
+
+ var filter = localStorage["filter"];
+ if (filter != null && filter != "") {
+ buf += '<option value="' + escape(filter) + '">' + escapeHTML(filter) + '</option>';
+ j = 1;
+ } else
+ j = 0;
+
+ f.innerHTML = buf;
+ f.selectedIndex = j;
+ }
+
+ function installHandlers() {
+ document.onkeyup = onKeyUp;
+
+ logs = document.getElementById("divlogs");
+ logs.addEventListener("mousewheel", onMouseWheel, false);
+ logs.addEventListener("DOMMouseScroll", onMouseWheel, false);
}
machineLoad();
- entriesLoad("");
+ entriesLoad(null);
showNEntries(getNEntries());
+ initFilter();
+ installHandlers();
</script>
</body>
</html>