journal: add missing browse.html file
This commit is contained in:
Lennart Poettering
parent
7b17a7d72f
commit
bf5542f891
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@ -0,0 +1,282 @@
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<!DOCTYPE html>
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<html>
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<head>
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<title>Journal</title>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
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<style type="text/css">
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div#logs {
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font-family: monospace;
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font-size: 8pt;
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background-color: #ffffff;
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padding: 1em;
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margin: 2em 0em;
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border-radius: 10px 10px 10px 10px;
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border: 1px solid threedshadow;
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white-space: nowrap;
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overflow-x: scroll;
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}
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body {
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background-color: #ededed;
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color: #313739;
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font: message-box;
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margin: 5em;
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}
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.log-error {
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color: red;
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font-weight: bold;
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}
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.log-highlight {
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font-weight: bold;
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}
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</style>
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</head>
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<body>
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<!-- TODO:
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- seek to back properly
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- handle seek before front properly
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- show red lines for reboots
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- show contents of entries -->
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<h1 id="title"></h1>
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<div id="os"></div>
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<div id="virtualization"></div>
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<div id="cutoff"></div>
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<div id="machine"></div>
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<div id="usage"></div>
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<div id="showing"></div>
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<div id="logs"></div>
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<form>
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<input id="head" type="button" value="|<" onclick="entriesLoadHead();"/>
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<input id="previous" type="button" value="<<" onclick="entriesLoadPrevious();"/>
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<input id="next" type="button" value=">>" onclick="entriesLoadNext();"/>
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<input id="tail" type="button" value=">|" onclick="entriesLoadTail();"/>
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<input id="more" type="button" value="More" onclick="entriesMore();"/>
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<input id="less" type="button" value="Less" onclick="entriesLess();"/>
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</form>
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<script type="text/javascript">
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var first_cursor = null;
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var last_cursor = null;
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function setCookie(name, value, msec) {
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var d = new Date();
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d.setMilliseconds(d.getMilliseconds() + msec);
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var v = escape(value) + "; expires=" + d.toUTCString();
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document.cookie = name + "=" + value;
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}
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function getCookie(name) {
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var i, l;
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l = document.cookie.split(";");
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for (i in l) {
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var x, y, j;
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j = l[i].indexOf("=");
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x = l[i].substr(0, j);
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y = l[i].substr(j+1);
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if (x == name)
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return unescape(y);
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}
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return null;
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}
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function getNEntries() {
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var n;
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n = getCookie("n_entries");
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if (n == null)
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return 50;
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return parseInt(n);
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}
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function showNEntries(n) {
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var showing = document.getElementById("showing");
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showing.innerHTML = "Showing <b>" + n.toString() + "</b> entries.";
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}
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function setNEntries(n) {
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if (n < 10)
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n = 10;
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else if (n > 1000)
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n = 1000;
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setCookie("n_entries", n.toString(), 30*24*60*60*1000);
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showNEntries(n);
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}
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function machineLoad() {
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var request = new XMLHttpRequest();
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request.open("GET", "/machine");
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request.onreadystatechange = machineOnResult;
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request.setRequestHeader("Accept", "application/json");
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request.send(null);
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}
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function formatBytes(u) {
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if (u >= 1024*1024*1024*1024)
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return (u/1024/1024/1024/1024).toFixed(1) + " TiB";
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else if (u >= 1024*1024*1024)
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return (u/1024/1024/1024).toFixed(1) + " GiB";
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else if (u >= 1024*1024)
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return (u/1024/1024).toFixed(1) + " MiB";
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else if (u >= 1024)
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return (u/1024).toFixed(1) + " KiB";
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else
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return u.toString() + " B";
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}
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function machineOnResult(event) {
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if ((event.currentTarget.readyState != 4) ||
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(event.currentTarget.status != 200 && event.currentTarget.status != 0))
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return;
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var d = JSON.parse(event.currentTarget.responseText);
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var title = document.getElementById("title");
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title.innerHTML = 'Journal of ' + d.hostname;
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document.title = 'Journal of ' + d.hostname;
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var machine = document.getElementById("machine");
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machine.innerHTML = 'Machine ID is <b>' + d.machine_id + '</b>, current boot ID is <b>' + d.boot_id + '</b>.';
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var cutoff = document.getElementById("cutoff");
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var from = new Date(parseInt(d.cutoff_from_realtime) / 1000);
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var to = new Date(parseInt(d.cutoff_to_realtime) / 1000);
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cutoff.innerHTML = 'Journal begins at <b>' + from.toLocaleString() + '</b> and ends at <b>' + to.toLocaleString() + '</b>.';
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var usage = document.getElementById("usage");
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usage.innerHTML = 'Disk usage is <b>' + formatBytes(parseInt(d.usage)) + '</b>.';
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var os = document.getElementById("os");
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os.innerHTML = 'Operating system is <b>' + d.os_pretty_name + '</b>.';
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var virtualization = document.getElementById("virtualization");
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virtualization.innerHTML = d.virtualization == "bare" ? "Running on <b>bare metal</b>." : "Running on virtualization <b>" + d.virtualization + "</b>.";
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}
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function entriesLoad(range) {
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var request = new XMLHttpRequest();
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request.open("GET", "/entries");
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request.onreadystatechange = entriesOnResult;
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request.setRequestHeader("Accept", "application/json");
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request.setRequestHeader("Range", "entries=" + range + ":" + getNEntries().toString());
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request.send(null);
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}
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function entriesLoadNext() {
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if (last_cursor == null)
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entriesLoad("");
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else
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entriesLoad(last_cursor + ":1");
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}
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function entriesLoadPrevious() {
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if (first_cursor == null)
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entriesLoad("");
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else
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entriesLoad(first_cursor + ":-" + getNEntries().toString());
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}
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function entriesLoadHead() {
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entriesLoad("");
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}
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function entriesLoadTail() {
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entriesLoad(":-" + getNEntries().toString());
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}
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function entriesOnResult(event) {
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if ((event.currentTarget.readyState != 4) ||
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(event.currentTarget.status != 200 && event.currentTarget.status != 0))
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return;
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var logs = document.getElementById("logs");
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logs.innerHTML = "";
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var lc = null;
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var fc = null;
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var i;
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var l = event.currentTarget.responseText.split('\n');
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if (l.length <= 1) {
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logs.innerHTML = "<i>No further entries...</i>";
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return;
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}
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for (i in l) {
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if (l[i] == '')
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continue;
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var d = JSON.parse(l[i]);
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if (d.MESSAGE == undefined || d.__CURSOR == undefined)
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continue;
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if (fc == null)
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fc = d.__CURSOR;
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lc = d.__CURSOR;
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var priority;
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if (d.PRIORITY != undefined)
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priority = parseInt(d.PRIORITY);
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else
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priority = 6;
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if (priority <= 3)
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clazz = "log-error";
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else if (priority <= 5)
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clazz = "log-highlight";
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else
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clazz = "log-normal";
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var line = '<div class="' + clazz + '">';
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if (d.SYSLOG_IDENTIFIER != undefined)
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line += d.SYSLOG_IDENTIFIER;
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else if (d._COMM != undefined)
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line += d._COMM;
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if (d._PID != undefined)
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line += "[" + d._PID + "]";
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else if (d.SYSLOG_PID != undefined)
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line += "[" + d.SYSLOG_PID + "]";
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if (d.MESSAGE == null)
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line += ": [blob data]</div>";
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else if (d.MESSAGE instanceof Array)
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line += ": [" + formatBytes(d.MESSAGE.length) + " blob data]</div>";
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else
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line += ": " + d.MESSAGE + "</div>";
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logs.innerHTML += line;
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}
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if (fc != null)
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first_cursor = fc;
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if (lc != null)
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last_cursor = lc;
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}
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function entriesMore() {
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setNEntries(getNEntries() + 10);
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entriesLoad("");
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}
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function entriesLess() {
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setNEntries(getNEntries() - 10);
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entriesLoad("");
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}
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machineLoad();
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entriesLoad("");
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showNEntries(getNEntries());
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</script>
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</body>
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</html>
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