chiark / gitweb /
Move network-related journal programs to src/journal-remote/
[elogind.git] / src / journal-remote / browse.html
diff --git a/src/journal-remote/browse.html b/src/journal-remote/browse.html
new file mode 100644 (file)
index 0000000..3594f70
--- /dev/null
@@ -0,0 +1,544 @@
+<!DOCTYPE html>
+<html>
+<head>
+        <title>Journal</title>
+        <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
+        <style type="text/css">
+                div#divlogs, div#diventry {
+                        font-family: monospace;
+                        font-size: 7pt;
+                        background-color: #ffffff;
+                        padding: 1em;
+                        margin: 2em 0em;
+                        border-radius: 10px 10px 10px 10px;
+                        border: 1px solid threedshadow;
+                        white-space: nowrap;
+                        overflow-x: scroll;
+                }
+                div#diventry {
+                        display: none;
+                }
+                div#divlogs {
+                        display: block;
+                }
+                body {
+                        background-color: #ededed;
+                        color: #313739;
+                        font: message-box;
+                        margin: 3em;
+                }
+                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;
+                }
+                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:
+                - live display
+                - show red lines for reboots -->
+
+        <h1 id="title"></h1>
+
+        <div id="os"></div>
+        <div id="virtualization"></div>
+        <div id="cutoff"></div>
+        <div id="machine"></div>
+        <div id="usage"></div>
+        <div id="showing"></div>
+
+        <div id="filternav">
+                <select id="filter" onchange="onFilterChange(this);" onfocus="onFilterFocus(this);">
+                        <option>No filter</option>
+                </select>
+                &nbsp;&nbsp;&nbsp;&nbsp;
+                <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">&#8676;</button>
+                <button id="previous" type="button" onclick="entriesLoadPrevious();" title="Previous Page"/>&#8592;</button>
+                <button id="next" type="button" onclick="entriesLoadNext();" title="Next Page"/>&#8594;</button>
+                <button id="tail" type="button" onclick="entriesLoadTail();" title="Last Page"/>&#8677;</button>
+                &nbsp;&nbsp;&nbsp;&nbsp;
+                <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 &nbsp;&nbsp;&nbsp;&nbsp;
+                <span class="key">&#8592;, k, BACKSPACE</span>: Previous Page &nbsp;&nbsp;&nbsp;&nbsp;
+                <span class="key">&#8594;, j, SPACE</span>: Next Page &nbsp;&nbsp;&nbsp;&nbsp;
+                <span class="key">G</span>: Last Page &nbsp;&nbsp;&nbsp;&nbsp;
+                <span class="key">+</span>: More entries &nbsp;&nbsp;&nbsp;&nbsp;
+                <span class="key">-</span>: Fewer entries
+        </div>
+
+        <script type="text/javascript">
+                var first_cursor = null;
+                var last_cursor = null;
+
+                function getNEntries() {
+                        var n;
+                        n = localStorage["n_entries"];
+                        if (n == null)
+                                return 50;
+                        n = parseInt(n);
+                        if (n < 10)
+                                return 10;
+                        if (n > 1000)
+                                return 1000;
+                        return n;
+                }
+
+                function showNEntries(n) {
+                        var showing = document.getElementById("showing");
+                        showing.innerHTML = "Showing <b>" + n.toString() + "</b> entries.";
+                }
+
+                function setNEntries(n) {
+                        if (n < 10)
+                                return 10;
+                        if (n > 1000)
+                                return 1000;
+                        localStorage["n_entries"] = n.toString();
+                        showNEntries(n);
+                }
+
+                function machineLoad() {
+                        var request = new XMLHttpRequest();
+                        request.open("GET", "/machine");
+                        request.onreadystatechange = machineOnResult;
+                        request.setRequestHeader("Accept", "application/json");
+                        request.send(null);
+                }
+
+                function formatBytes(u) {
+                        if (u >= 1024*1024*1024*1024)
+                                return (u/1024/1024/1024/1024).toFixed(1) + " TiB";
+                        else if (u >= 1024*1024*1024)
+                                return (u/1024/1024/1024).toFixed(1) + " GiB";
+                        else if (u >= 1024*1024)
+                                return (u/1024/1024).toFixed(1) + " MiB";
+                        else if (u >= 1024)
+                                return (u/1024).toFixed(1) + " KiB";
+                        else
+                                return u.toString() + " B";
+                }
+
+                function escapeHTML(s) {
+                        return s.replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;");
+                }
+
+                function machineOnResult(event) {
+                        if ((event.currentTarget.readyState != 4) ||
+                                (event.currentTarget.status != 200 && event.currentTarget.status != 0))
+                                return;
+
+                        var d = JSON.parse(event.currentTarget.responseText);
+
+                        var title = document.getElementById("title");
+                        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>.';
+
+                        var cutoff = document.getElementById("cutoff");
+                        var from = new Date(parseInt(d.cutoff_from_realtime) / 1000);
+                        var to = new Date(parseInt(d.cutoff_to_realtime) / 1000);
+                        cutoff.innerHTML = 'Journal begins at <b>' + from.toLocaleString() + '</b> and ends at <b>' + to.toLocaleString() + '</b>.';
+
+                        var usage = document.getElementById("usage");
+                        usage.innerHTML = 'Disk usage is <b>' + formatBytes(parseInt(d.usage)) + '</b>.';
+
+                        var os = document.getElementById("os");
+                        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>" + 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", url);
+                        request.onreadystatechange = entriesOnResult;
+                        request.setRequestHeader("Accept", "application/json");
+                        request.setRequestHeader("Range", "entries=" + range + ":" + getNEntries().toString());
+                        request.send(null);
+                }
+
+                function entriesLoadNext() {
+                        if (last_cursor == null)
+                                entriesLoad("");
+                        else
+                                entriesLoad(last_cursor + ":1");
+                }
+
+                function entriesLoadPrevious() {
+                        if (first_cursor == null)
+                                entriesLoad("");
+                        else
+                                entriesLoad(first_cursor + ":-" + getNEntries().toString());
+                }
+
+                function entriesLoadHead() {
+                        entriesLoad("");
+                }
+
+                function entriesLoadTail() {
+                        entriesLoad(":-" + getNEntries().toString());
+                }
+
+                function entriesOnResult(event) {
+
+                        if ((event.currentTarget.readyState != 4) ||
+                                (event.currentTarget.status != 200 && event.currentTarget.status != 0))
+                                return;
+
+                        var logs = document.getElementById("tablelogs");
+
+                        var lc = null;
+                        var fc = null;
+
+                        var i, l = event.currentTarget.responseText.split('\n');
+
+                        if (l.length <= 1) {
+                                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] == '')
+                                        continue;
+
+                                var d = JSON.parse(l[i]);
+                                if (d.MESSAGE == undefined || d.__CURSOR == undefined)
+                                        continue;
+
+                                if (fc == null)
+                                        fc = d.__CURSOR;
+                                lc = d.__CURSOR;
+
+                                var priority;
+                                if (d.PRIORITY != undefined)
+                                        priority = parseInt(d.PRIORITY);
+                                else
+                                        priority = 6;
+
+                                if (priority <= 3)
+                                        clazz = "message-error";
+                                else if (priority <= 5)
+                                        clazz = "message-highlight";
+                                else
+                                        clazz = "message";
+
+                                buf += '<tr><td class="timestamp">';
+
+                                if (d.__REALTIME_TIMESTAMP != undefined) {
+                                        var timestamp = new Date(parseInt(d.__REALTIME_TIMESTAMP) / 1000);
+                                        buf += timestamp.toLocaleString();
+                                }
+
+                                buf += '</td><td class="process">';
+
+                                if (d.SYSLOG_IDENTIFIER != undefined)
+                                        buf += escapeHTML(d.SYSLOG_IDENTIFIER);
+                                else if (d._COMM != undefined)
+                                        buf += escapeHTML(d._COMM);
+
+                                if (d._PID != undefined)
+                                        buf += "[" + escapeHTML(d._PID) + "]";
+                                else if (d.SYSLOG_PID != undefined)
+                                        buf += "[" + escapeHTML(d.SYSLOG_PID) + "]";
+
+                                buf += '</td><td class="' + clazz + '"><a href="#entry" onclick="onMessageClick(\'' + d.__CURSOR + '\');">';
+
+                                if (d.MESSAGE == null)
+                                        buf += "[blob data]";
+                                else if (d.MESSAGE instanceof Array)
+                                        buf += "[" + formatBytes(d.MESSAGE.length) + " blob data]";
+                                else
+                                        buf += escapeHTML(d.MESSAGE);
+
+                                buf += '</a></td></tr>';
+                        }
+
+                        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(first_cursor);
+                }
+
+                function entriesLess() {
+                        setNEntries(getNEntries() - 10);
+                        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(null);
+                showNEntries(getNEntries());
+                initFilter();
+                installHandlers();
+        </script>
+</body>
+</html>