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29484dc7 by Jabis Sevon
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downgraded to express@^3.23 and socket.io@^0.9.16

1 parent eec9eab8
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Showing 10 changed files with 2044 additions and 603 deletions
.gitignore
index.rendered.html
node_modules
index.rendered.html
node_modules
examples/node_modules
......
README.md
### Issues with HTTPS (including Heroku) has been resolved, module is working again
# express-status-monitor
Simple, self-hosted module based on Socket.io and Chart.js to report realtime server metrics for Express-based node servers. More Node frameworks coming soon.
![Monitoring Page](http://i.imgur.com/AHizEWq.gif "Monitoring Page")
## Installation & setup
1. Run `npm install express-status-monitor --save`
2. Before any other middleware or router add following line:
`app.use(require('express-status-monitor')());`
3. Run server and go to `/status`
## Run examples
1. Go to `examples/`
2. Run `npm install`
3. Run server `node index.js`
4. Go to `http://0.0.0.0:3000`
## Options
Monitor can be configured by passing options object into `expressMonitor` constructor.
Default config:
```
title: 'Express Status', // Default title
path: '/status',
spans: [{
interval: 1, // Every second
retention: 60 // Keep 60 datapoints in memory
}, {
interval: 5, // Every 5 seconds
retention: 60
}, {
interval: 15, // Every 15 seconds
retention: 60
}]
```
## License
[MIT License](https://opensource.org/licenses/MIT) © Rafal Wilinski
### Issues with HTTPS (including Heroku) has been resolved, module is working again
# express-status-monitor
Simple, self-hosted module based on Socket.io and Chart.js to report realtime server metrics for Express-based node servers. More Node frameworks coming soon.
![Monitoring Page](http://i.imgur.com/AHizEWq.gif "Monitoring Page")
## Installation & setup
1. Run `npm install express-status-monitor --save`
2. Before any other middleware or router add following line:
`app.use(require('express-status-monitor')());`
3. Run server and go to `/status`
## Run examples
1. Go to `examples/`
2. Run `npm install`
3. Run server `node index.js`
4. Go to `http://0.0.0.0:3000`
## Options
Monitor can be configured by passing options object into `expressMonitor` constructor.
Default config:
```
title: 'Express Status', // Default title
path: '/status',
spans: [{
interval: 1, // Every second
retention: 60 // Keep 60 datapoints in memory
}, {
interval: 5, // Every 5 seconds
retention: 60
}, {
interval: 15, // Every 15 seconds
retention: 60
}]
```
## License
[MIT License](https://opensource.org/licenses/MIT) © Rafal Wilinski
......
examples/index.js
const express = require('express');
const app = express();
const config = {
path: '/',
title: 'Express Status',
spans: [{
interval: 1,
retention: 60
}, {
interval: 5,
retention: 60
}, {
interval: 15,
retention: 60
}]
}
app.use(require('../index')(config));
app.listen(3000, () => {
console.log('🌏 http://0.0.0.0:3000');
});
const express = require('express');
const app = express();
const http = require('http');
const io = require('socket.io');
const config = {
uri: 'www.cert.coder.fi',
port: 4000,
path: '/',
title: 'Express Status',
spans: [{
interval: 1,
retention: 60
}, {
interval: 5,
retention: 60
}, {
interval: 15,
retention: 60
}]
}
var server = http.createServer(app);
app.use(require('../index')(config, server));
server.listen(config.port, config.uri, () => {
console.log('🌏 http://'+config.uri+':'+config.port);
});
......
examples/package.json
{
"name": "express-status-monitor-example",
"version": "0.0.1",
"description": "Examples",
"main": "index.js",
"author": "Rafal Wilinski raf.wilinski@gmail.com",
"contributors": [
{
"name": "Julien Breux",
"email": "julien.breux@gmail.com",
"url": "https://github.com/JulienBreux/"
}
],
"license": "MIT",
"dependencies": {
"express": "^4.14.0",
"on-headers": "^1.0.1",
"pidusage": "^1.0.4",
"socket.io": "^1.4.8"
}
}
{
"name": "express-status-monitor-example",
"version": "0.0.1",
"description": "Examples",
"main": "index.js",
"author": "Rafal Wilinski raf.wilinski@gmail.com",
"contributors": [
{
"name": "Julien Breux",
"email": "julien.breux@gmail.com",
"url": "https://github.com/JulienBreux/"
},
{
"name": "Jabis Sevon",
"email": "jabis.is@gmail.com",
"url": "https://jscodex.com"
}
],
"license": "MIT",
"dependencies": {
"express": "^3.21.2",
"on-headers": "^1.0.1",
"pidusage": "^1.0.4",
"socket.io": "^0.9.16"
}
}
......
examples/socket.io.min.js 0 → 100644
/*! Socket.IO.min.js build:0.9.16, production. Copyright(c) 2011 LearnBoost <dev@learnboost.com> MIT Licensed */
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this.__events))return;var d=this.__events[a];for(var e=d.length-1;e>=0;--e)if(d[e]===b){d.splice(e,1);break}},WebSocket.prototype.dispatchEvent=function(a){var b=this.__events[a.type]||[];for(var c=0;c<b.length;++c)b[c](a);var d=this["on"+a.type];d&&d(a)},WebSocket.prototype.__handleEvent=function(a){"readyState"in a&&(this.readyState=a.readyState),"protocol"in a&&(this.protocol=a.protocol);var b;if(a.type=="open"||a.type=="error")b=this.__createSimpleEvent(a.type);else if(a.type=="close")b=this.__createSimpleEvent("close");else{if(a.type!="message")throw"unknown event type: "+a.type;var c=decodeURIComponent(a.message);b=this.__createMessageEvent("message",c)}this.dispatchEvent(b)},WebSocket.prototype.__createSimpleEvent=function(a){if(document.createEvent&&window.Event){var b=document.createEvent("Event");return b.initEvent(a,!1,!1),b}return{type:a,bubbles:!1,cancelable:!1}},WebSocket.prototype.__createMessageEvent=function(a,b){if(document.createEvent&&window.MessageEvent&&!window.opera){var c=document.createEvent("MessageEvent");return c.initMessageEvent("message",!1,!1,b,null,null,window,null),c}return{type:a,data:b,bubbles:!1,cancelable:!1}},WebSocket.CONNECTING=0,WebSocket.OPEN=1,WebSocket.CLOSING=2,WebSocket.CLOSED=3,WebSocket.__flash=null,WebSocket.__instances={},WebSocket.__tasks=[],WebSocket.__nextId=0,WebSocket.loadFlashPolicyFile=function(a){WebSocket.__addTask(function(){WebSocket.__flash.loadManualPolicyFile(a)})},WebSocket.__initialize=function(){if(WebSocket.__flash)return;WebSocket.__swfLocation&&(window.WEB_SOCKET_SWF_LOCATION=WebSocket.__swfLocation);if(!window.WEB_SOCKET_SWF_LOCATION){a.error("[WebSocket] set WEB_SOCKET_SWF_LOCATION to location of WebSocketMain.swf");return}var b=document.createElement("div");b.id="webSocketContainer",b.style.position="absolute",WebSocket.__isFlashLite()?(b.style.left="0px",b.style.top="0px"):(b.style.left="-100px",b.style.top="-100px");var c=document.createElement("div");c.id="webSocketFlash",b.appendChild(c),document.body.appendChild(b),swfobject.embedSWF(WEB_SOCKET_SWF_LOCATION,"webSocketFlash","1","1","10.0.0",null,null,{hasPriority:!0,swliveconnect:!0,allowScriptAccess:"always"},null,function(b){b.success||a.error("[WebSocket] swfobject.embedSWF failed")})},WebSocket.__onFlashInitialized=function(){setTimeout(function(){WebSocket.__flash=document.getElementById("webSocketFlash"),WebSocket.__flash.setCallerUrl(location.href),WebSocket.__flash.setDebug(!!window.WEB_SOCKET_DEBUG);for(var a=0;a<WebSocket.__tasks.length;++a)WebSocket.__tasks[a]();WebSocket.__tasks=[]},0)},WebSocket.__onFlashEvent=function(){return setTimeout(function(){try{var b=WebSocket.__flash.receiveEvents();for(var c=0;c<b.length;++c)WebSocket.__instances[b[c].webSocketId].__handleEvent(b[c])}catch(d){a.error(d)}},0),!0},WebSocket.__log=function(b){a.log(decodeURIComponent(b))},WebSocket.__error=function(b){a.error(decodeURIComponent(b))},WebSocket.__addTask=function(a){WebSocket.__flash?a():WebSocket.__tasks.push(a)},WebSocket.__isFlashLite=function(){if(!window.navigator||!window.navigator.mimeTypes)return!1;var a=window.navigator.mimeTypes["application/x-shockwave-flash"];return!a||!a.enabledPlugin||!a.enabledPlugin.filename?!1:a.enabledPlugin.filename.match(/flashlite/i)?!0:!1},window.WEB_SOCKET_DISABLE_AUTO_INITIALIZATION||(window.addEventListener?window.addEventListener("load",function(){WebSocket.__initialize()},!1):window.attachEvent("onload",function(){WebSocket.__initialize()}))})(),function(a,b,c){function d(a){if(!a)return;b.Transport.apply(this,arguments),this.sendBuffer=[]}function e(){}a.XHR=d,b.util.inherit(d,b.Transport),d.prototype.open=function(){return this.socket.setBuffer(!1),this.onOpen(),this.get(),this.setCloseTimeout(),this},d.prototype.payload=function(a){var c=[];for(var d=0,e=a.length;d<e;d++)c.push(b.parser.encodePacket(a[d]));this.send(b.parser.encodePayload(c))},d.prototype.send=function(a){return this.post(a),this},d.prototype.post=function(a){function d(){this.readyState==4&&(this.onreadystatechange=e,b.posting=!1,this.status==200?b.socket.setBuffer(!1):b.onClose())}function f(){this.onload=e,b.socket.setBuffer(!1)}var b=this;this.socket.setBuffer(!0),this.sendXHR=this.request("POST"),c.XDomainRequest&&this.sendXHR instanceof XDomainRequest?this.sendXHR.onload=this.sendXHR.onerror=f:this.sendXHR.onreadystatechange=d,this.sendXHR.send(a)},d.prototype.close=function(){return this.onClose(),this},d.prototype.request=function(a){var c=b.util.request(this.socket.isXDomain()),d=b.util.query(this.socket.options.query,"t="+ +(new Date));c.open(a||"GET",this.prepareUrl()+d,!0);if(a=="POST")try{c.setRequestHeader?c.setRequestHeader("Content-type","text/plain;charset=UTF-8"):c.contentType="text/plain"}catch(e){}return c},d.prototype.scheme=function(){return this.socket.options.secure?"https":"http"},d.check=function(a,d){try{var e=b.util.request(d),f=c.XDomainRequest&&e instanceof XDomainRequest,g=a&&a.options&&a.options.secure?"https:":"http:",h=c.location&&g!=c.location.protocol;if(e&&(!f||!h))return!0}catch(i){}return!1},d.xdomainCheck=function(a){return d.check(a,!0)}}("undefined"!=typeof io?io.Transport:module.exports,"undefined"!=typeof io?io:module.parent.exports,this),function(a,b){function c(a){b.Transport.XHR.apply(this,arguments)}a.htmlfile=c,b.util.inherit(c,b.Transport.XHR),c.prototype.name="htmlfile",c.prototype.get=function(){this.doc=new(window[["Active"].concat("Object").join("X")])("htmlfile"),this.doc.open(),this.doc.write("<html></html>"),this.doc.close(),this.doc.parentWindow.s=this;var a=this.doc.createElement("div");a.className="socketio",this.doc.body.appendChild(a),this.iframe=this.doc.createElement("iframe"),a.appendChild(this.iframe);var c=this,d=b.util.query(this.socket.options.query,"t="+ +(new Date));this.iframe.src=this.prepareUrl()+d,b.util.on(window,"unload",function(){c.destroy()})},c.prototype._=function(a,b){a=a.replace(/\\\//g,"/"),this.onData(a);try{var c=b.getElementsByTagName("script")[0];c.parentNode.removeChild(c)}catch(d){}},c.prototype.destroy=function(){if(this.iframe){try{this.iframe.src="about:blank"}catch(a){}this.doc=null,this.iframe.parentNode.removeChild(this.iframe),this.iframe=null,CollectGarbage()}},c.prototype.close=function(){return this.destroy(),b.Transport.XHR.prototype.close.call(this)},c.check=function(a){if(typeof window!="undefined"&&["Active"].concat("Object").join("X")in window)try{var c=new(window[["Active"].concat("Object").join("X")])("htmlfile");return c&&b.Transport.XHR.check(a)}catch(d){}return!1},c.xdomainCheck=function(){return!1},b.transports.push("htmlfile")}("undefined"!=typeof io?io.Transport:module.exports,"undefined"!=typeof io?io:module.parent.exports),function(a,b,c){function d(){b.Transport.XHR.apply(this,arguments)}function e(){}a["xhr-polling"]=d,b.util.inherit(d,b.Transport.XHR),b.util.merge(d,b.Transport.XHR),d.prototype.name="xhr-polling",d.prototype.heartbeats=function(){return!1},d.prototype.open=function(){var a=this;return b.Transport.XHR.prototype.open.call(a),!1},d.prototype.get=function(){function b(){this.readyState==4&&(this.onreadystatechange=e,this.status==200?(a.onData(this.responseText),a.get()):a.onClose())}function d(){this.onload=e,this.onerror=e,a.retryCounter=1,a.onData(this.responseText),a.get()}function f(){a.retryCounter++,!a.retryCounter||a.retryCounter>3?a.onClose():a.get()}if(!this.isOpen)return;var a=this;this.xhr=this.request(),c.XDomainRequest&&this.xhr instanceof XDomainRequest?(this.xhr.onload=d,this.xhr.onerror=f):this.xhr.onreadystatechange=b,this.xhr.send(null)},d.prototype.onClose=function(){b.Transport.XHR.prototype.onClose.call(this);if(this.xhr){this.xhr.onreadystatechange=this.xhr.onload=this.xhr.onerror=e;try{this.xhr.abort()}catch(a){}this.xhr=null}},d.prototype.ready=function(a,c){var d=this;b.util.defer(function(){c.call(d)})},b.transports.push("xhr-polling")}("undefined"!=typeof io?io.Transport:module.exports,"undefined"!=typeof io?io:module.parent.exports,this),function(a,b,c){function e(a){b.Transport["xhr-polling"].apply(this,arguments),this.index=b.j.length;var c=this;b.j.push(function(a){c._(a)})}var d=c.document&&"MozAppearance"in c.document.documentElement.style;a["jsonp-polling"]=e,b.util.inherit(e,b.Transport["xhr-polling"]),e.prototype.name="jsonp-polling",e.prototype.post=function(a){function i(){j(),c.socket.setBuffer(!1)}function j(){c.iframe&&c.form.removeChild(c.iframe);try{h=document.createElement('<iframe name="'+c.iframeId+'">')}catch(a){h=document.createElement("iframe"),h.name=c.iframeId}h.id=c.iframeId,c.form.appendChild(h),c.iframe=h}var c=this,d=b.util.query(this.socket.options.query,"t="+ +(new Date)+"&i="+this.index);if(!this.form){var e=document.createElement("form"),f=document.createElement("textarea"),g=this.iframeId="socketio_iframe_"+this.index,h;e.className="socketio",e.style.position="absolute",e.style.top="0px",e.style.left="0px",e.style.display="none",e.target=g,e.method="POST",e.setAttribute("accept-charset","utf-8"),f.name="d",e.appendChild(f),document.body.appendChild(e),this.form=e,this.area=f}this.form.action=this.prepareUrl()+d,j(),this.area.value=b.JSON.stringify(a);try{this.form.submit()}catch(k){}this.iframe.attachEvent?h.onreadystatechange=function(){c.iframe.readyState=="complete"&&i()}:this.iframe.onload=i,this.socket.setBuffer(!0)},e.prototype.get=function(){var a=this,c=document.createElement("script"),e=b.util.query(this.socket.options.query,"t="+ +(new Date)+"&i="+this.index);this.script&&(this.script.parentNode.removeChild(this.script),this.script=null),c.async=!0,c.src=this.prepareUrl()+e,c.onerror=function(){a.onClose()};var f=document.getElementsByTagName("script")[0];f.parentNode.insertBefore(c,f),this.script=c,d&&setTimeout(function(){var a=document.createElement("iframe");document.body.appendChild(a),document.body.removeChild(a)},100)},e.prototype._=function(a){return this.onData(a),this.isOpen&&this.get(),this},e.prototype.ready=function(a,c){var e=this;if(!d)return c.call(this);b.util.load(function(){c.call(e)})},e.check=function(){return"document"in c},e.xdomainCheck=function(){return!0},b.transports.push("jsonp-polling")}("undefined"!=typeof io?io.Transport:module.exports,"undefined"!=typeof io?io:module.parent.exports,this),typeof define=="function"&&define.amd&&define([],function(){return io})})()
\ No newline at end of file
index.html
<!DOCTYPE html>
<html>
<head>
<title>{{title}}</title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.2.1/Chart.bundle.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/socket.io/1.4.5/socket.io.min.js"></script>
<style>
* {
font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
}
h1 {
font-size: 3em;
color: #222222;
margin: 0;
}
h5 {
margin: 0;
color: #888888;
}
p {
font-size: 0.7em;
color: #888888;
}
span {
cursor: pointer;
font-size: 10px;
margin-left: 5px;
border: 1px solid #DDD;
padding: 3px 10px 4px 10px;
}
canvas {
width: 400px;
height: 100px;
}
.active {
background: #eeeeee;
}
.stats-column {
flex: 0 0 200px;
}
.container {
display: flex;
flex-direction: row;
margin-top: 20px;
height: 100px;
}
.chart-container {
width: 400px;
height: 100px;
}
.footer {
position: fixed;
margin: auto;
text-align: center;
left: 0;
right: 0;
bottom: 0;
}
.span-controls {
float: right;
}
</style>
</head>
<body>
<div style="width: 600px; margin: auto">
<div class="header">
<b>{{title}}</b>
<div id="span-controls" class="span-controls">
</div>
</div>
<div class="container">
<div class="stats-column">
<h5>CPU Usage</h5>
<h1 id="cpuStat">- %</h1>
</div>
<div class="chart-container">
<canvas id="cpuChart" width="400" height="100"></canvas>
</div>
</div>
<div class="container">
<div class="stats-column">
<h5>Memory Usage</h5>
<h1 id="memStat">- %</h1>
</div>
<div class="chart-container">
<canvas id="memChart" width="200" height="100"></canvas>
</div>
</div>
<div class="container">
<div class="stats-column">
<h5>One Minute Load Avg</h5>
<h1 id="loadStat">-</h1>
</div>
<div class="chart-container">
<canvas id="loadChart" width="200" height="100"></canvas>
</div>
</div>
<div class="container">
<div class="stats-column">
<h5>Response Time</h5>
<h1 id="responseTimeStat">-</h1>
</div>
<div class="chart-container">
<canvas id="responseTimeChart" width="200" height="100"></canvas>
</div>
</div>
<div class="container">
<div class="stats-column">
<h5>Requests per Second</h5>
<h1 id="rpsStat">-</h1>
</div>
<div class="chart-container">
<canvas id="rpsChart" width="200" height="100"></canvas>
</div>
</div>
<div class="footer">
<p>Made with &#9829; with Socket.io & Chart.js</p>
</div>
</div>
<script>
Chart.defaults.global.defaultFontSize = 8;
Chart.defaults.global.animation.duration = 500;
Chart.defaults.global.legend.display = false;
Chart.defaults.global.elements.line.backgroundColor = "rgba(0,0,0,0)";
Chart.defaults.global.elements.line.borderColor = "rgba(0,0,0,0.9)";
Chart.defaults.global.elements.line.borderWidth = 2;
var socket = io(location.protocol + '//' + location.hostname + ':' + location.port);
var defaultSpan = 0;
var spans = [];
var defaultDataset = {
label: '',
data: [],
lineTension: 0.2,
pointRadius: 0
};
var defaultOptions = {
scales: {
yAxes: [{
ticks: {
beginAtZero: true
}
}],
xAxes: [{
type: 'time',
time: {
unitStepSize: 30
},
gridLines: {
display: false
}
}]
},
tooltips: {
enabled: false
},
responsive: true,
maintainAspectRatio: false,
animation: false
};
var createChart = function (ctx, dataset) {
return new Chart(ctx, {
type: 'line',
data: {
labels: [],
datasets: dataset
},
options: defaultOptions
});
};
var addTimestamp = function(point) {
return point.timestamp;
};
var cpuDataset = [Object.create(defaultDataset)];
var memDataset = [Object.create(defaultDataset)];
var loadDataset = [Object.create(defaultDataset)];
var responseTimeDataset = [Object.create(defaultDataset)];
var rpsDataset = [Object.create(defaultDataset)];
var cpuStat = document.getElementById('cpuStat');
var memStat = document.getElementById('memStat');
var loadStat = document.getElementById('loadStat');
var responseTimeStat = document.getElementById('responseTimeStat');
var rpsStat = document.getElementById('rpsStat');
var cpuChartCtx = document.getElementById("cpuChart");
var memChartCtx = document.getElementById("memChart");
var loadChartCtx = document.getElementById("loadChart");
var responseTimeChartCtx = document.getElementById("responseTimeChart");
var rpsChartCtx = document.getElementById("rpsChart");
var cpuChart = createChart(cpuChartCtx, cpuDataset);
var memChart = createChart(memChartCtx, memDataset);
var loadChart = createChart(loadChartCtx, loadDataset);
var responseTimeChart = createChart(responseTimeChartCtx, responseTimeDataset);
var rpsChart = createChart(rpsChartCtx, rpsDataset);
var charts = [cpuChart, memChart, loadChart, responseTimeChart, rpsChart];
var onSpanChange = function (e) {
e.target.classList.add('active');
defaultSpan = parseInt(e.target.id);
var otherSpans = document.getElementsByTagName('span');
for (var i = 0; i < otherSpans.length; i++) {
if (otherSpans[i] !== e.target) otherSpans[i].classList.remove('active');
}
socket.emit('change');
};
socket.on('start', function (data) {
// Remove last element of Array because it contains malformed responses data.
// To keep consistency we also remove os data.
data[defaultSpan].responses.pop();
data[defaultSpan].os.pop();
cpuStat.textContent = data[defaultSpan].os[data[defaultSpan].os.length - 1].cpu.toFixed(1) + '%';
cpuChart.data.datasets[0].data = data[defaultSpan].os.map(function (point) {
return point.cpu;
});
cpuChart.data.labels = data[defaultSpan].os.map(addTimestamp);
memStat.textContent = data[defaultSpan].os[data[defaultSpan].os.length - 1].memory.toFixed(1) + 'MB';
memChart.data.datasets[0].data = data[defaultSpan].os.map(function (point) {
return point.memory;
});
memChart.data.labels = data[defaultSpan].os.map(addTimestamp);
loadStat.textContent = data[defaultSpan].os[data[defaultSpan].os.length - 1].load[defaultSpan].toFixed(2);
loadChart.data.datasets[0].data = data[defaultSpan].os.map(function (point) {
return point.load[0];
});
loadChart.data.labels = data[defaultSpan].os.map(addTimestamp);
responseTimeStat.textContent = data[defaultSpan].responses[data[defaultSpan].responses.length - 1].mean.toFixed(2) + 'ms';
responseTimeChart.data.datasets[0].data = data[defaultSpan].responses.map(function (point) {
return point.mean;
});
responseTimeChart.data.labels = data[defaultSpan].responses.map(addTimestamp);
if (data[defaultSpan].responses.length >= 2) {
var deltaTime = data[defaultSpan].responses[data[defaultSpan].responses.length - 1].timestamp - data[defaultSpan].responses[data[defaultSpan].responses.length - 2].timestamp;
rpsStat.textContent = (data[defaultSpan].responses[data[defaultSpan].responses.length - 1].count / deltaTime * 1000).toFixed(2);
rpsChart.data.datasets[0].data = data[defaultSpan].responses.map(function (point) {
return point.count / deltaTime * 1000;
});
rpsChart.data.labels = data[defaultSpan].responses.map(addTimestamp);
}
charts.forEach(function(chart) {
chart.update();
});
var spanControls = document.getElementById('span-controls');
if (data.length !== spans.length) {
data.forEach(function (span, index) {
spans.push({
retention: span.retention,
interval: span.interval
});
var spanNode = document.createElement('span');
var textNode = document.createTextNode((span.retention * span.interval) / 60 + "M");
spanNode.appendChild(textNode);
spanNode.setAttribute('id', index);
spanNode.onclick = onSpanChange;
spanControls.appendChild(spanNode);
});
document.getElementsByTagName('span')[0].classList.add('active');
}
});
socket.on('stats', function (data) {
if (data.retention === spans[defaultSpan].retention && data.interval === spans[defaultSpan].interval) {
cpuStat.textContent = data.os.cpu.toFixed(1) + '%';
cpuChart.data.datasets[0].data.push(data.os.cpu);
cpuChart.data.labels.push(data.os.timestamp);
memStat.textContent = data.os.memory.toFixed(1) + 'MB';
memChart.data.datasets[0].data.push(data.os.memory);
memChart.data.labels.push(data.os.timestamp);
loadStat.textContent = data.os.load[0].toFixed(2);
loadChart.data.datasets[0].data.push(data.os.load[0]);
loadChart.data.labels.push(data.os.timestamp);
responseTimeStat.textContent = data.responses.mean.toFixed(2) + 'ms';
responseTimeChart.data.datasets[0].data.push(data.responses.mean);
responseTimeChart.data.labels.push(data.responses.timestamp);
var deltaTime = data.responses.timestamp - rpsChart.data.labels[rpsChart.data.labels.length - 1];
rpsStat.textContent = (data.responses.count / deltaTime * 1000).toFixed(2);
rpsChart.data.datasets[0].data.push(data.responses.count / deltaTime * 1000);
rpsChart.data.labels.push(data.responses.timestamp);
charts.forEach(function (chart) {
if (spans[defaultSpan].retention < chart.data.labels.length) {
chart.data.datasets[0].data.shift();
chart.data.labels.shift();
}
chart.update();
});
}
});
</script>
</body>
<!DOCTYPE html>
<html>
<head>
<title>{{title}}</title>
<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/2.2.1/Chart.bundle.min.js"></script>
<script type="text/javascript">
/*! Socket.IO.min.js build:0.9.16, production. Copyright(c) 2011 LearnBoost <dev@learnboost.com> MIT Licensed */
var io = "undefined" == typeof module ? {} : module.exports;
(function() {
(function(a, b) {
var c = a;
c.version = "0.9.16", c.protocol = 1, c.transports = [], c.j = [], c.sockets = {}, c.connect = function(a, d) {
var e = c.util.parseUri(a),
f, g;
b && b.location && (e.protocol = e.protocol || b.location.protocol.slice(0, -1), e.host = e.host || (b.document ? b.document.domain : b.location.hostname), e.port = e.port || b.location.port), f = c.util.uniqueUri(e);
var h = {
host: e.host,
secure: "https" == e.protocol,
port: e.port || ("https" == e.protocol ? 443 : 80),
query: e.query || ""
};
c.util.merge(h, d);
if (h["force new connection"] || !c.sockets[f]) g = new c.Socket(h);
return !h["force new connection"] && g && (c.sockets[f] = g), g = g || c.sockets[f], g.of(e.path.length > 1 ? e.path : "")
}
})("object" == typeof module ? module.exports : this.io = {}, this),
function(a, b) {
var c = a.util = {},
d = /^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/,
e = ["source", "protocol", "authority", "userInfo", "user", "password", "host", "port", "relative", "path", "directory", "file", "query", "anchor"];
c.parseUri = function(a) {
var b = d.exec(a || ""),
c = {},
f = 14;
while (f--) c[e[f]] = b[f] || "";
return c
}, c.uniqueUri = function(a) {
var c = a.protocol,
d = a.host,
e = a.port;
return "document" in b ? (d = d || document.domain, e = e || (c == "https" && document.location.protocol !== "https:" ? 443 : document.location.port)) : (d = d || "localhost", !e && c == "https" && (e = 443)), (c || "http") + "://" + d + ":" + (e || 80)
}, c.query = function(a, b) {
var d = c.chunkQuery(a || ""),
e = [];
c.merge(d, c.chunkQuery(b || ""));
for (var f in d) d.hasOwnProperty(f) && e.push(f + "=" + d[f]);
return e.length ? "?" + e.join("&") : ""
}, c.chunkQuery = function(a) {
var b = {},
c = a.split("&"),
d = 0,
e = c.length,
f;
for (; d < e; ++d) f = c[d].split("="), f[0] && (b[f[0]] = f[1]);
return b
};
var f = !1;
c.load = function(a) {
if ("document" in b && document.readyState === "complete" || f) return a();
c.on(b, "load", a, !1)
}, c.on = function(a, b, c, d) {
a.attachEvent ? a.attachEvent("on" + b, c) : a.addEventListener && a.addEventListener(b, c, d)
}, c.request = function(a) {
if (a && "undefined" != typeof XDomainRequest && !c.ua.hasCORS) return new XDomainRequest;
if ("undefined" != typeof XMLHttpRequest && (!a || c.ua.hasCORS)) return new XMLHttpRequest;
if (!a) try {
return new(window[["Active"].concat("Object").join("X")])("Microsoft.XMLHTTP")
} catch (b) {}
return null
}, "undefined" != typeof window && c.load(function() {
f = !0
}), c.defer = function(a) {
if (!c.ua.webkit || "undefined" != typeof importScripts) return a();
c.load(function() {
setTimeout(a, 100)
})
}, c.merge = function(b, d, e, f) {
var g = f || [],
h = typeof e == "undefined" ? 2 : e,
i;
for (i in d) d.hasOwnProperty(i) && c.indexOf(g, i) < 0 && (typeof b[i] != "object" || !h ? (b[i] = d[i], g.push(d[i])) : c.merge(b[i], d[i], h - 1, g));
return b
}, c.mixin = function(a, b) {
c.merge(a.prototype, b.prototype)
}, c.inherit = function(a, b) {
function c() {}
c.prototype = b.prototype, a.prototype = new c
}, c.isArray = Array.isArray || function(a) {
return Object.prototype.toString.call(a) === "[object Array]"
}, c.intersect = function(a, b) {
var d = [],
e = a.length > b.length ? a : b,
f = a.length > b.length ? b : a;
for (var g = 0, h = f.length; g < h; g++) ~c.indexOf(e, f[g]) && d.push(f[g]);
return d
}, c.indexOf = function(a, b, c) {
for (var d = a.length, c = c < 0 ? c + d < 0 ? 0 : c + d : c || 0; c < d && a[c] !== b; c++);
return d <= c ? -1 : c
}, c.toArray = function(a) {
var b = [];
for (var c = 0, d = a.length; c < d; c++) b.push(a[c]);
return b
}, c.ua = {}, c.ua.hasCORS = "undefined" != typeof XMLHttpRequest && function() {
try {
var a = new XMLHttpRequest
} catch (b) {
return !1
}
return a.withCredentials != undefined
}(), c.ua.webkit = "undefined" != typeof navigator && /webkit/i.test(navigator.userAgent), c.ua.iDevice = "undefined" != typeof navigator && /iPad|iPhone|iPod/i.test(navigator.userAgent)
}("undefined" != typeof io ? io : module.exports, this),
function(a, b) {
function c() {}
a.EventEmitter = c, c.prototype.on = function(a, c) {
return this.$events || (this.$events = {}), this.$events[a] ? b.util.isArray(this.$events[a]) ? this.$events[a].push(c) : this.$events[a] = [this.$events[a], c] : this.$events[a] = c, this
}, c.prototype.addListener = c.prototype.on, c.prototype.once = function(a, b) {
function d() {
c.removeListener(a, d), b.apply(this, arguments)
}
var c = this;
return d.listener = b, this.on(a, d), this
}, c.prototype.removeListener = function(a, c) {
if (this.$events && this.$events[a]) {
var d = this.$events[a];
if (b.util.isArray(d)) {
var e = -1;
for (var f = 0, g = d.length; f < g; f++)
if (d[f] === c || d[f].listener && d[f].listener === c) {
e = f;
break
}
if (e < 0) return this;
d.splice(e, 1), d.length || delete this.$events[a]
} else(d === c || d.listener && d.listener === c) && delete this.$events[a]
}
return this
}, c.prototype.removeAllListeners = function(a) {
return a === undefined ? (this.$events = {}, this) : (this.$events && this.$events[a] && (this.$events[a] = null), this)
}, c.prototype.listeners = function(a) {
return this.$events || (this.$events = {}), this.$events[a] || (this.$events[a] = []), b.util.isArray(this.$events[a]) || (this.$events[a] = [this.$events[a]]), this.$events[a]
}, c.prototype.emit = function(a) {
if (!this.$events) return !1;
var c = this.$events[a];
if (!c) return !1;
var d = Array.prototype.slice.call(arguments, 1);
if ("function" == typeof c) c.apply(this, d);
else {
if (!b.util.isArray(c)) return !1;
var e = c.slice();
for (var f = 0, g = e.length; f < g; f++) e[f].apply(this, d)
}
return !0
}
}("undefined" != typeof io ? io : module.exports, "undefined" != typeof io ? io : module.parent.exports),
function(exports, nativeJSON) {
function f(a) {
return a < 10 ? "0" + a : a
}
function date(a, b) {
return isFinite(a.valueOf()) ? a.getUTCFullYear() + "-" + f(a.getUTCMonth() + 1) + "-" + f(a.getUTCDate()) + "T" + f(a.getUTCHours()) + ":" + f(a.getUTCMinutes()) + ":" + f(a.getUTCSeconds()) + "Z" : null
}
function quote(a) {
return escapable.lastIndex = 0, escapable.test(a) ? '"' + a.replace(escapable, function(a) {
var b = meta[a];
return typeof b == "string" ? b : "\\u" + ("0000" + a.charCodeAt(0).toString(16)).slice(-4)
}) + '"' : '"' + a + '"'
}
function str(a, b) {
var c, d, e, f, g = gap,
h, i = b[a];
i instanceof Date && (i = date(a)), typeof rep == "function" && (i = rep.call(b, a, i));
switch (typeof i) {
case "string":
return quote(i);
case "number":
return isFinite(i) ? String(i) : "null";
case "boolean":
case "null":
return String(i);
case "object":
if (!i) return "null";
gap += indent, h = [];
if (Object.prototype.toString.apply(i) === "[object Array]") {
f = i.length;
for (c = 0; c < f; c += 1) h[c] = str(c, i) || "null";
return e = h.length === 0 ? "[]" : gap ? "[\n" + gap + h.join(",\n" + gap) + "\n" + g + "]" : "[" + h.join(",") + "]", gap = g, e
}
if (rep && typeof rep == "object") {
f = rep.length;
for (c = 0; c < f; c += 1) typeof rep[c] == "string" && (d = rep[c], e = str(d, i), e && h.push(quote(d) + (gap ? ": " : ":") + e))
} else
for (d in i) Object.prototype.hasOwnProperty.call(i, d) && (e = str(d, i), e && h.push(quote(d) + (gap ? ": " : ":") + e));
return e = h.length === 0 ? "{}" : gap ? "{\n" + gap + h.join(",\n" + gap) + "\n" + g + "}" : "{" + h.join(",") + "}", gap = g, e
}
}
"use strict";
if (nativeJSON && nativeJSON.parse) return exports.JSON = {
parse: nativeJSON.parse,
stringify: nativeJSON.stringify
};
var JSON = exports.JSON = {},
cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
gap, indent, meta = {
"\b": "\\b",
"\t": "\\t",
"\n": "\\n",
"\f": "\\f",
"\r": "\\r",
'"': '\\"',
"\\": "\\\\"
},
rep;
JSON.stringify = function(a, b, c) {
var d;
gap = "", indent = "";
if (typeof c == "number")
for (d = 0; d < c; d += 1) indent += " ";
else typeof c == "string" && (indent = c);
rep = b;
if (!b || typeof b == "function" || typeof b == "object" && typeof b.length == "number") return str("", {
"": a
});
throw new Error("JSON.stringify")
}, JSON.parse = function(text, reviver) {
function walk(a, b) {
var c, d, e = a[b];
if (e && typeof e == "object")
for (c in e) Object.prototype.hasOwnProperty.call(e, c) && (d = walk(e, c), d !== undefined ? e[c] = d : delete e[c]);
return reviver.call(a, b, e)
}
var j;
text = String(text), cx.lastIndex = 0, cx.test(text) && (text = text.replace(cx, function(a) {
return "\\u" + ("0000" + a.charCodeAt(0).toString(16)).slice(-4)
}));
if (/^[\],:{}\s]*$/.test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g, "@").replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g, "]").replace(/(?:^|:|,)(?:\s*\[)+/g, ""))) return j = eval("(" + text + ")"), typeof reviver == "function" ? walk({
"": j
}, "") : j;
throw new SyntaxError("JSON.parse")
}
}("undefined" != typeof io ? io : module.exports, typeof JSON != "undefined" ? JSON : undefined),
function(a, b) {
var c = a.parser = {},
d = c.packets = ["disconnect", "connect", "heartbeat", "message", "json", "event", "ack", "error", "noop"],
e = c.reasons = ["transport not supported", "client not handshaken", "unauthorized"],
f = c.advice = ["reconnect"],
g = b.JSON,
h = b.util.indexOf;
c.encodePacket = function(a) {
var b = h(d, a.type),
c = a.id || "",
i = a.endpoint || "",
j = a.ack,
k = null;
switch (a.type) {
case "error":
var l = a.reason ? h(e, a.reason) : "",
m = a.advice ? h(f, a.advice) : "";
if (l !== "" || m !== "") k = l + (m !== "" ? "+" + m : "");
break;
case "message":
a.data !== "" && (k = a.data);
break;
case "event":
var n = {
name: a.name
};
a.args && a.args.length && (n.args = a.args), k = g.stringify(n);
break;
case "json":
k = g.stringify(a.data);
break;
case "connect":
a.qs && (k = a.qs);
break;
case "ack":
k = a.ackId + (a.args && a.args.length ? "+" + g.stringify(a.args) : "")
}
var o = [b, c + (j == "data" ? "+" : ""), i];
return k !== null && k !== undefined && o.push(k), o.join(":")
}, c.encodePayload = function(a) {
var b = "";
if (a.length == 1) return a[0];
for (var c = 0, d = a.length; c < d; c++) {
var e = a[c];
b += "\ufffd" + e.length + "\ufffd" + a[c]
}
return b
};
var i = /([^:]+):([0-9]+)?(\+)?:([^:]+)?:?([\s\S]*)?/;
c.decodePacket = function(a) {
var b = a.match(i);
if (!b) return {};
var c = b[2] || "",
a = b[5] || "",
h = {
type: d[b[1]],
endpoint: b[4] || ""
};
c && (h.id = c, b[3] ? h.ack = "data" : h.ack = !0);
switch (h.type) {
case "error":
var b = a.split("+");
h.reason = e[b[0]] || "", h.advice = f[b[1]] || "";
break;
case "message":
h.data = a || "";
break;
case "event":
try {
var j = g.parse(a);
h.name = j.name, h.args = j.args
} catch (k) {}
h.args = h.args || [];
break;
case "json":
try {
h.data = g.parse(a)
} catch (k) {}
break;
case "connect":
h.qs = a || "";
break;
case "ack":
var b = a.match(/^([0-9]+)(\+)?(.*)/);
if (b) {
h.ackId = b[1], h.args = [];
if (b[3]) try {
h.args = b[3] ? g.parse(b[3]) : []
} catch (k) {}
}
break;
case "disconnect":
case "heartbeat":
}
return h
}, c.decodePayload = function(a) {
if (a.charAt(0) == "\ufffd") {
var b = [];
for (var d = 1, e = ""; d < a.length; d++) a.charAt(d) == "\ufffd" ? (b.push(c.decodePacket(a.substr(d + 1).substr(0, e))), d += Number(e) + 1, e = "") : e += a.charAt(d);
return b
}
return [c.decodePacket(a)]
}
}("undefined" != typeof io ? io : module.exports, "undefined" != typeof io ? io : module.parent.exports),
function(a, b) {
function c(a, b) {
this.socket = a, this.sessid = b
}
a.Transport = c, b.util.mixin(c, b.EventEmitter), c.prototype.heartbeats = function() {
return !0
}, c.prototype.onData = function(a) {
this.clearCloseTimeout(), (this.socket.connected || this.socket.connecting || this.socket.reconnecting) && this.setCloseTimeout();
if (a !== "") {
var c = b.parser.decodePayload(a);
if (c && c.length)
for (var d = 0, e = c.length; d < e; d++) this.onPacket(c[d])
}
return this
}, c.prototype.onPacket = function(a) {
return this.socket.setHeartbeatTimeout(), a.type == "heartbeat" ? this.onHeartbeat() : (a.type == "connect" && a.endpoint == "" && this.onConnect(), a.type == "error" && a.advice == "reconnect" && (this.isOpen = !1), this.socket.onPacket(a), this)
}, c.prototype.setCloseTimeout = function() {
if (!this.closeTimeout) {
var a = this;
this.closeTimeout = setTimeout(function() {
a.onDisconnect()
}, this.socket.closeTimeout)
}
}, c.prototype.onDisconnect = function() {
return this.isOpen && this.close(), this.clearTimeouts(), this.socket.onDisconnect(), this
}, c.prototype.onConnect = function() {
return this.socket.onConnect(), this
}, c.prototype.clearCloseTimeout = function() {
this.closeTimeout && (clearTimeout(this.closeTimeout), this.closeTimeout = null)
}, c.prototype.clearTimeouts = function() {
this.clearCloseTimeout(), this.reopenTimeout && clearTimeout(this.reopenTimeout)
}, c.prototype.packet = function(a) {
this.send(b.parser.encodePacket(a))
}, c.prototype.onHeartbeat = function(a) {
this.packet({
type: "heartbeat"
})
}, c.prototype.onOpen = function() {
this.isOpen = !0, this.clearCloseTimeout(), this.socket.onOpen()
}, c.prototype.onClose = function() {
var a = this;
this.isOpen = !1, this.socket.onClose(), this.onDisconnect()
}, c.prototype.prepareUrl = function() {
var a = this.socket.options;
return this.scheme() + "://" + a.host + ":" + a.port + "/" + a.resource + "/" + b.protocol + "/" + this.name + "/" + this.sessid
}, c.prototype.ready = function(a, b) {
b.call(this)
}
}("undefined" != typeof io ? io : module.exports, "undefined" != typeof io ? io : module.parent.exports),
function(a, b, c) {
function d(a) {
this.options = {
port: 80,
secure: !1,
document: "document" in c ? document : !1,
resource: "socket.io",
transports: b.transports,
"connect timeout": 1e4,
"try multiple transports": !0,
reconnect: !0,
"reconnection delay": 500,
"reconnection limit": Infinity,
"reopen delay": 3e3,
"max reconnection attempts": 10,
"sync disconnect on unload": !1,
"auto connect": !0,
"flash policy port": 10843,
manualFlush: !1
}, b.util.merge(this.options, a), this.connected = !1, this.open = !1, this.connecting = !1, this.reconnecting = !1, this.namespaces = {}, this.buffer = [], this.doBuffer = !1;
if (this.options["sync disconnect on unload"] && (!this.isXDomain() || b.util.ua.hasCORS)) {
var d = this;
b.util.on(c, "beforeunload", function() {
d.disconnectSync()
}, !1)
}
this.options["auto connect"] && this.connect()
}
function e() {}
a.Socket = d, b.util.mixin(d, b.EventEmitter), d.prototype.of = function(a) {
return this.namespaces[a] || (this.namespaces[a] = new b.SocketNamespace(this, a), a !== "" && this.namespaces[a].packet({
type: "connect"
})), this.namespaces[a]
}, d.prototype.publish = function() {
this.emit.apply(this, arguments);
var a;
for (var b in this.namespaces) this.namespaces.hasOwnProperty(b) && (a = this.of(b), a.$emit.apply(a, arguments))
}, d.prototype.handshake = function(a) {
function f(b) {
b instanceof Error ? (c.connecting = !1, c.onError(b.message)) : a.apply(null, b.split(":"))
}
var c = this,
d = this.options,
g = ["http" + (d.secure ? "s" : "") + ":/", d.host + ":" + d.port, d.resource, b.protocol, b.util.query(this.options.query, "t=" + +(new Date))].join("/");
if (this.isXDomain() && !b.util.ua.hasCORS) {
var h = document.getElementsByTagName("script")[0],
i = document.createElement("script");
i.src = g + "&jsonp=" + b.j.length, h.parentNode.insertBefore(i, h), b.j.push(function(a) {
f(a), i.parentNode.removeChild(i)
})
} else {
var j = b.util.request();
j.open("GET", g, !0), this.isXDomain() && (j.withCredentials = !0), j.onreadystatechange = function() {
j.readyState == 4 && (j.onreadystatechange = e, j.status == 200 ? f(j.responseText) : j.status == 403 ? c.onError(j.responseText) : (c.connecting = !1, !c.reconnecting && c.onError(j.responseText)))
}, j.send(null)
}
}, d.prototype.getTransport = function(a) {
var c = a || this.transports,
d;
for (var e = 0, f; f = c[e]; e++)
if (b.Transport[f] && b.Transport[f].check(this) && (!this.isXDomain() || b.Transport[f].xdomainCheck(this))) return new b.Transport[f](this, this.sessionid);
return null
}, d.prototype.connect = function(a) {
if (this.connecting) return this;
var c = this;
return c.connecting = !0, this.handshake(function(d, e, f, g) {
function h(a) {
c.transport && c.transport.clearTimeouts(), c.transport = c.getTransport(a);
if (!c.transport) return c.publish("connect_failed");
c.transport.ready(c, function() {
c.connecting = !0, c.publish("connecting", c.transport.name), c.transport.open(), c.options["connect timeout"] && (c.connectTimeoutTimer = setTimeout(function() {
if (!c.connected) {
c.connecting = !1;
if (c.options["try multiple transports"]) {
var a = c.transports;
while (a.length > 0 && a.splice(0, 1)[0] != c.transport.name);
a.length ? h(a) : c.publish("connect_failed")
}
}
}, c.options["connect timeout"]))
})
}
c.sessionid = d, c.closeTimeout = f * 1e3, c.heartbeatTimeout = e * 1e3, c.transports || (c.transports = c.origTransports = g ? b.util.intersect(g.split(","), c.options.transports) : c.options.transports), c.setHeartbeatTimeout(), h(c.transports), c.once("connect", function() {
clearTimeout(c.connectTimeoutTimer), a && typeof a == "function" && a()
})
}), this
}, d.prototype.setHeartbeatTimeout = function() {
clearTimeout(this.heartbeatTimeoutTimer);
if (this.transport && !this.transport.heartbeats()) return;
var a = this;
this.heartbeatTimeoutTimer = setTimeout(function() {
a.transport.onClose()
}, this.heartbeatTimeout)
}, d.prototype.packet = function(a) {
return this.connected && !this.doBuffer ? this.transport.packet(a) : this.buffer.push(a), this
}, d.prototype.setBuffer = function(a) {
this.doBuffer = a, !a && this.connected && this.buffer.length && (this.options.manualFlush || this.flushBuffer())
}, d.prototype.flushBuffer = function() {
this.transport.payload(this.buffer), this.buffer = []
}, d.prototype.disconnect = function() {
if (this.connected || this.connecting) this.open && this.of("").packet({
type: "disconnect"
}), this.onDisconnect("booted");
return this
}, d.prototype.disconnectSync = function() {
var a = b.util.request(),
c = ["http" + (this.options.secure ? "s" : "") + ":/", this.options.host + ":" + this.options.port, this.options.resource, b.protocol, "", this.sessionid].join("/") + "/?disconnect=1";
a.open("GET", c, !1), a.send(null), this.onDisconnect("booted")
}, d.prototype.isXDomain = function() {
var a = c.location.port || ("https:" == c.location.protocol ? 443 : 80);
return this.options.host !== c.location.hostname || this.options.port != a
}, d.prototype.onConnect = function() {
this.connected || (this.connected = !0, this.connecting = !1, this.doBuffer || this.setBuffer(!1), this.emit("connect"))
}, d.prototype.onOpen = function() {
this.open = !0
}, d.prototype.onClose = function() {
this.open = !1, clearTimeout(this.heartbeatTimeoutTimer)
}, d.prototype.onPacket = function(a) {
this.of(a.endpoint).onPacket(a)
}, d.prototype.onError = function(a) {
a && a.advice && a.advice === "reconnect" && (this.connected || this.connecting) && (this.disconnect(), this.options.reconnect && this.reconnect()), this.publish("error", a && a.reason ? a.reason : a)
}, d.prototype.onDisconnect = function(a) {
var b = this.connected,
c = this.connecting;
this.connected = !1, this.connecting = !1, this.open = !1;
if (b || c) this.transport.close(), this.transport.clearTimeouts(), b && (this.publish("disconnect", a), "booted" != a && this.options.reconnect && !this.reconnecting && this.reconnect())
}, d.prototype.reconnect = function() {
function e() {
if (a.connected) {
for (var b in a.namespaces) a.namespaces.hasOwnProperty(b) && "" !== b && a.namespaces[b].packet({
type: "connect"
});
a.publish("reconnect", a.transport.name, a.reconnectionAttempts)
}
clearTimeout(a.reconnectionTimer), a.removeListener("connect_failed", f), a.removeListener("connect", f), a.reconnecting = !1, delete a.reconnectionAttempts, delete a.reconnectionDelay, delete a.reconnectionTimer, delete a.redoTransports, a.options["try multiple transports"] = c
}
function f() {
if (!a.reconnecting) return;
if (a.connected) return e();
if (a.connecting && a.reconnecting) return a.reconnectionTimer = setTimeout(f, 1e3);
a.reconnectionAttempts++ >= b ? a.redoTransports ? (a.publish("reconnect_failed"), e()) : (a.on("connect_failed", f), a.options["try multiple transports"] = !0, a.transports = a.origTransports, a.transport = a.getTransport(), a.redoTransports = !0, a.connect()) : (a.reconnectionDelay < d && (a.reconnectionDelay *= 2), a.connect(), a.publish("reconnecting", a.reconnectionDelay, a.reconnectionAttempts), a.reconnectionTimer = setTimeout(f, a.reconnectionDelay))
}
this.reconnecting = !0, this.reconnectionAttempts = 0, this.reconnectionDelay = this.options["reconnection delay"];
var a = this,
b = this.options["max reconnection attempts"],
c = this.options["try multiple transports"],
d = this.options["reconnection limit"];
this.options["try multiple transports"] = !1, this.reconnectionTimer = setTimeout(f, this.reconnectionDelay), this.on("connect", f)
}
}("undefined" != typeof io ? io : module.exports, "undefined" != typeof io ? io : module.parent.exports, this),
function(a, b) {
function c(a, b) {
this.socket = a, this.name = b || "", this.flags = {}, this.json = new d(this, "json"), this.ackPackets = 0, this.acks = {}
}
function d(a, b) {
this.namespace = a, this.name = b
}
a.SocketNamespace = c, b.util.mixin(c, b.EventEmitter), c.prototype.$emit = b.EventEmitter.prototype.emit, c.prototype.of = function() {
return this.socket.of.apply(this.socket, arguments)
}, c.prototype.packet = function(a) {
return a.endpoint = this.name, this.socket.packet(a), this.flags = {}, this
}, c.prototype.send = function(a, b) {
var c = {
type: this.flags.json ? "json" : "message",
data: a
};
return "function" == typeof b && (c.id = ++this.ackPackets, c.ack = !0, this.acks[c.id] = b), this.packet(c)
}, c.prototype.emit = function(a) {
var b = Array.prototype.slice.call(arguments, 1),
c = b[b.length - 1],
d = {
type: "event",
name: a
};
return "function" == typeof c && (d.id = ++this.ackPackets, d.ack = "data", this.acks[d.id] = c, b = b.slice(0, b.length - 1)), d.args = b, this.packet(d)
}, c.prototype.disconnect = function() {
return this.name === "" ? this.socket.disconnect() : (this.packet({
type: "disconnect"
}), this.$emit("disconnect")), this
}, c.prototype.onPacket = function(a) {
function d() {
c.packet({
type: "ack",
args: b.util.toArray(arguments),
ackId: a.id
})
}
var c = this;
switch (a.type) {
case "connect":
this.$emit("connect");
break;
case "disconnect":
this.name === "" ? this.socket.onDisconnect(a.reason || "booted") : this.$emit("disconnect", a.reason);
break;
case "message":
case "json":
var e = ["message", a.data];
a.ack == "data" ? e.push(d) : a.ack && this.packet({
type: "ack",
ackId: a.id
}), this.$emit.apply(this, e);
break;
case "event":
var e = [a.name].concat(a.args);
a.ack == "data" && e.push(d), this.$emit.apply(this, e);
break;
case "ack":
this.acks[a.ackId] && (this.acks[a.ackId].apply(this, a.args), delete this.acks[a.ackId]);
break;
case "error":
a.advice ? this.socket.onError(a) : a.reason == "unauthorized" ? this.$emit("connect_failed", a.reason) : this.$emit("error", a.reason)
}
}, d.prototype.send = function() {
this.namespace.flags[this.name] = !0, this.namespace.send.apply(this.namespace, arguments)
}, d.prototype.emit = function() {
this.namespace.flags[this.name] = !0, this.namespace.emit.apply(this.namespace, arguments)
}
}("undefined" != typeof io ? io : module.exports, "undefined" != typeof io ? io : module.parent.exports),
function(a, b, c) {
function d(a) {
b.Transport.apply(this, arguments)
}
a.websocket = d, b.util.inherit(d, b.Transport), d.prototype.name = "websocket", d.prototype.open = function() {
var a = b.util.query(this.socket.options.query),
d = this,
e;
return e || (e = c.MozWebSocket || c.WebSocket), this.websocket = new e(this.prepareUrl() + a), this.websocket.onopen = function() {
d.onOpen(), d.socket.setBuffer(!1)
}, this.websocket.onmessage = function(a) {
d.onData(a.data)
}, this.websocket.onclose = function() {
d.onClose(), d.socket.setBuffer(!0)
}, this.websocket.onerror = function(a) {
d.onError(a)
}, this
}, b.util.ua.iDevice ? d.prototype.send = function(a) {
var b = this;
return setTimeout(function() {
b.websocket.send(a)
}, 0), this
} : d.prototype.send = function(a) {
return this.websocket.send(a), this
}, d.prototype.payload = function(a) {
for (var b = 0, c = a.length; b < c; b++) this.packet(a[b]);
return this
}, d.prototype.close = function() {
return this.websocket.close(), this
}, d.prototype.onError = function(a) {
this.socket.onError(a)
}, d.prototype.scheme = function() {
return this.socket.options.secure ? "wss" : "ws"
}, d.check = function() {
return "WebSocket" in c && !("__addTask" in WebSocket) || "MozWebSocket" in c
}, d.xdomainCheck = function() {
return !0
}, b.transports.push("websocket")
}("undefined" != typeof io ? io.Transport : module.exports, "undefined" != typeof io ? io : module.parent.exports, this),
function(a, b) {
function c() {
b.Transport.websocket.apply(this, arguments)
}
a.flashsocket = c, b.util.inherit(c, b.Transport.websocket), c.prototype.name = "flashsocket", c.prototype.open = function() {
var a = this,
c = arguments;
return WebSocket.__addTask(function() {
b.Transport.websocket.prototype.open.apply(a, c)
}), this
}, c.prototype.send = function() {
var a = this,
c = arguments;
return WebSocket.__addTask(function() {
b.Transport.websocket.prototype.send.apply(a, c)
}), this
}, c.prototype.close = function() {
return WebSocket.__tasks.length = 0, b.Transport.websocket.prototype.close.call(this), this
}, c.prototype.ready = function(a, d) {
function e() {
var b = a.options,
e = b["flash policy port"],
g = ["http" + (b.secure ? "s" : "") + ":/", b.host + ":" + b.port, b.resource, "static/flashsocket", "WebSocketMain" + (a.isXDomain() ? "Insecure" : "") + ".swf"];
c.loaded || (typeof WEB_SOCKET_SWF_LOCATION == "undefined" && (WEB_SOCKET_SWF_LOCATION = g.join("/")), e !== 843 && WebSocket.loadFlashPolicyFile("xmlsocket://" + b.host + ":" + e), WebSocket.__initialize(), c.loaded = !0), d.call(f)
}
var f = this;
if (document.body) return e();
b.util.load(e)
}, c.check = function() {
return typeof WebSocket != "undefined" && "__initialize" in WebSocket && !!swfobject ? swfobject.getFlashPlayerVersion().major >= 10 : !1
}, c.xdomainCheck = function() {
return !0
}, typeof window != "undefined" && (WEB_SOCKET_DISABLE_AUTO_INITIALIZATION = !0), b.transports.push("flashsocket")
}("undefined" != typeof io ? io.Transport : module.exports, "undefined" != typeof io ? io : module.parent.exports);
if ("undefined" != typeof window) var swfobject = function() {
function A() {
if (t) return;
try {
var a = i.getElementsByTagName("body")[0].appendChild(Q("span"));
a.parentNode.removeChild(a)
} catch (b) {
return
}
t = !0;
var c = l.length;
for (var d = 0; d < c; d++) l[d]()
}
function B(a) {
t ? a() : l[l.length] = a
}
function C(b) {
if (typeof h.addEventListener != a) h.addEventListener("load", b, !1);
else if (typeof i.addEventListener != a) i.addEventListener("load", b, !1);
else if (typeof h.attachEvent != a) R(h, "onload", b);
else if (typeof h.onload == "function") {
var c = h.onload;
h.onload = function() {
c(), b()
}
} else h.onload = b
}
function D() {
k ? E() : F()
}
function E() {
var c = i.getElementsByTagName("body")[0],
d = Q(b);
d.setAttribute("type", e);
var f = c.appendChild(d);
if (f) {
var g = 0;
(function() {
if (typeof f.GetVariable != a) {
var b = f.GetVariable("$version");
b && (b = b.split(" ")[1].split(","), y.pv = [parseInt(b[0], 10), parseInt(b[1], 10), parseInt(b[2], 10)])
} else if (g < 10) {
g++, setTimeout(arguments.callee, 10);
return
}
c.removeChild(d), f = null, F()
})()
} else F()
}
function F() {
var b = m.length;
if (b > 0)
for (var c = 0; c < b; c++) {
var d = m[c].id,
e = m[c].callbackFn,
f = {
success: !1,
id: d
};
if (y.pv[0] > 0) {
var g = P(d);
if (g)
if (S(m[c].swfVersion) && !(y.wk && y.wk < 312)) U(d, !0), e && (f.success = !0, f.ref = G(d), e(f));
else if (m[c].expressInstall && H()) {
var h = {};
h.data = m[c].expressInstall, h.width = g.getAttribute("width") || "0", h.height = g.getAttribute("height") || "0", g.getAttribute("class") && (h.styleclass = g.getAttribute("class")), g.getAttribute("align") && (h.align = g.getAttribute("align"));
var i = {},
j = g.getElementsByTagName("param"),
k = j.length;
for (var l = 0; l < k; l++) j[l].getAttribute("name").toLowerCase() != "movie" && (i[j[l].getAttribute("name")] = j[l].getAttribute("value"));
I(h, i, d, e)
} else J(g), e && e(f)
} else {
U(d, !0);
if (e) {
var n = G(d);
n && typeof n.SetVariable != a && (f.success = !0, f.ref = n), e(f)
}
}
}
}
function G(c) {
var d = null,
e = P(c);
if (e && e.nodeName == "OBJECT")
if (typeof e.SetVariable != a) d = e;
else {
var f = e.getElementsByTagName(b)[0];
f && (d = f)
}
return d
}
function H() {
return !u && S("6.0.65") && (y.win || y.mac) && !(y.wk && y.wk < 312)
}
function I(b, c, d, e) {
u = !0, r = e || null, s = {
success: !1,
id: d
};
var g = P(d);
if (g) {
g.nodeName == "OBJECT" ? (p = K(g), q = null) : (p = g, q = d), b.id = f;
if (typeof b.width == a || !/%$/.test(b.width) && parseInt(b.width, 10) < 310) b.width = "310";
if (typeof b.height == a || !/%$/.test(b.height) && parseInt(b.height, 10) < 137) b.height = "137";
i.title = i.title.slice(0, 47) + " - Flash Player Installation";
var j = y.ie && y.win ? ["Active"].concat("").join("X") : "PlugIn",
k = "MMredirectURL=" + h.location.toString().replace(/&/g, "%26") + "&MMplayerType=" + j + "&MMdoctitle=" + i.title;
typeof c.flashvars != a ? c.flashvars += "&" + k : c.flashvars = k;
if (y.ie && y.win && g.readyState != 4) {
var l = Q("div");
d += "SWFObjectNew", l.setAttribute("id", d), g.parentNode.insertBefore(l, g), g.style.display = "none",
function() {
g.readyState == 4 ? g.parentNode.removeChild(g) : setTimeout(arguments.callee, 10)
}()
}
L(b, c, d)
}
}
function J(a) {
if (y.ie && y.win && a.readyState != 4) {
var b = Q("div");
a.parentNode.insertBefore(b, a), b.parentNode.replaceChild(K(a), b), a.style.display = "none",
function() {
a.readyState == 4 ? a.parentNode.removeChild(a) : setTimeout(arguments.callee, 10)
}()
} else a.parentNode.replaceChild(K(a), a)
}
function K(a) {
var c = Q("div");
if (y.win && y.ie) c.innerHTML = a.innerHTML;
else {
var d = a.getElementsByTagName(b)[0];
if (d) {
var e = d.childNodes;
if (e) {
var f = e.length;
for (var g = 0; g < f; g++)(e[g].nodeType != 1 || e[g].nodeName != "PARAM") && e[g].nodeType != 8 && c.appendChild(e[g].cloneNode(!0))
}
}
}
return c
}
function L(c, d, f) {
var g, h = P(f);
if (y.wk && y.wk < 312) return g;
if (h) {
typeof c.id == a && (c.id = f);
if (y.ie && y.win) {
var i = "";
for (var j in c) c[j] != Object.prototype[j] && (j.toLowerCase() == "data" ? d.movie = c[j] : j.toLowerCase() == "styleclass" ? i += ' class="' + c[j] + '"' : j.toLowerCase() != "classid" && (i += " " + j + '="' + c[j] + '"'));
var k = "";
for (var l in d) d[l] != Object.prototype[l] && (k += '<param name="' + l + '" value="' + d[l] + '" />');
h.outerHTML = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000"' + i + ">" + k + "</object>", n[n.length] = c.id, g = P(c.id)
} else {
var m = Q(b);
m.setAttribute("type", e);
for (var o in c) c[o] != Object.prototype[o] && (o.toLowerCase() == "styleclass" ? m.setAttribute("class", c[o]) : o.toLowerCase() != "classid" && m.setAttribute(o, c[o]));
for (var p in d) d[p] != Object.prototype[p] && p.toLowerCase() != "movie" && M(m, p, d[p]);
h.parentNode.replaceChild(m, h), g = m
}
}
return g
}
function M(a, b, c) {
var d = Q("param");
d.setAttribute("name", b), d.setAttribute("value", c), a.appendChild(d)
}
function N(a) {
var b = P(a);
b && b.nodeName == "OBJECT" && (y.ie && y.win ? (b.style.display = "none", function() {
b.readyState == 4 ? O(a) : setTimeout(arguments.callee, 10)
}()) : b.parentNode.removeChild(b))
}
function O(a) {
var b = P(a);
if (b) {
for (var c in b) typeof b[c] == "function" && (b[c] = null);
b.parentNode.removeChild(b)
}
}
function P(a) {
var b = null;
try {
b = i.getElementById(a)
} catch (c) {}
return b
}
function Q(a) {
return i.createElement(a)
}
function R(a, b, c) {
a.attachEvent(b, c), o[o.length] = [a, b, c]
}
function S(a) {
var b = y.pv,
c = a.split(".");
return c[0] = parseInt(c[0], 10), c[1] = parseInt(c[1], 10) || 0, c[2] = parseInt(c[2], 10) || 0, b[0] > c[0] || b[0] == c[0] && b[1] > c[1] || b[0] == c[0] && b[1] == c[1] && b[2] >= c[2] ? !0 : !1
}
function T(c, d, e, f) {
if (y.ie && y.mac) return;
var g = i.getElementsByTagName("head")[0];
if (!g) return;
var h = e && typeof e == "string" ? e : "screen";
f && (v = null, w = null);
if (!v || w != h) {
var j = Q("style");
j.setAttribute("type", "text/css"), j.setAttribute("media", h), v = g.appendChild(j), y.ie && y.win && typeof i.styleSheets != a && i.styleSheets.length > 0 && (v = i.styleSheets[i.styleSheets.length - 1]), w = h
}
y.ie && y.win ? v && typeof v.addRule == b && v.addRule(c, d) : v && typeof i.createTextNode != a && v.appendChild(i.createTextNode(c + " {" + d + "}"))
}
function U(a, b) {
if (!x) return;
var c = b ? "visible" : "hidden";
t && P(a) ? P(a).style.visibility = c : T("#" + a, "visibility:" + c)
}
function V(b) {
var c = /[\\\"<>\.;]/,
d = c.exec(b) != null;
return d && typeof encodeURIComponent != a ? encodeURIComponent(b) : b
}
var a = "undefined",
b = "object",
c = "Shockwave Flash",
d = "ShockwaveFlash.ShockwaveFlash",
e = "application/x-shockwave-flash",
f = "SWFObjectExprInst",
g = "onreadystatechange",
h = window,
i = document,
j = navigator,
k = !1,
l = [D],
m = [],
n = [],
o = [],
p, q, r, s, t = !1,
u = !1,
v, w, x = !0,
y = function() {
var f = typeof i.getElementById != a && typeof i.getElementsByTagName != a && typeof i.createElement != a,
g = j.userAgent.toLowerCase(),
l = j.platform.toLowerCase(),
m = l ? /win/.test(l) : /win/.test(g),
n = l ? /mac/.test(l) : /mac/.test(g),
o = /webkit/.test(g) ? parseFloat(g.replace(/^.*webkit\/(\d+(\.\d+)?).*$/, "$1")) : !1,
p = !1,
q = [0, 0, 0],
r = null;
if (typeof j.plugins != a && typeof j.plugins[c] == b) r = j.plugins[c].description, r && (typeof j.mimeTypes == a || !j.mimeTypes[e] || !!j.mimeTypes[e].enabledPlugin) && (k = !0, p = !1, r = r.replace(/^.*\s+(\S+\s+\S+$)/, "$1"), q[0] = parseInt(r.replace(/^(.*)\..*$/, "$1"), 10), q[1] = parseInt(r.replace(/^.*\.(.*)\s.*$/, "$1"), 10), q[2] = /[a-zA-Z]/.test(r) ? parseInt(r.replace(/^.*[a-zA-Z]+(.*)$/, "$1"), 10) : 0);
else if (typeof h[["Active"].concat("Object").join("X")] != a) try {
var s = new(window[["Active"].concat("Object").join("X")])(d);
s && (r = s.GetVariable("$version"), r && (p = !0, r = r.split(" ")[1].split(","), q = [parseInt(r[0], 10), parseInt(r[1], 10), parseInt(r[2], 10)]))
} catch (t) {}
return {
w3: f,
pv: q,
wk: o,
ie: p,
win: m,
mac: n
}
}(),
z = function() {
if (!y.w3) return;
(typeof i.readyState != a && i.readyState == "complete" || typeof i.readyState == a && (i.getElementsByTagName("body")[0] || i.body)) && A(), t || (typeof i.addEventListener != a && i.addEventListener("DOMContentLoaded", A, !1), y.ie && y.win && (i.attachEvent(g, function() {
i.readyState == "complete" && (i.detachEvent(g, arguments.callee), A())
}), h == top && function() {
if (t) return;
try {
i.documentElement.doScroll("left")
} catch (a) {
setTimeout(arguments.callee, 0);
return
}
A()
}()), y.wk && function() {
if (t) return;
if (!/loaded|complete/.test(i.readyState)) {
setTimeout(arguments.callee, 0);
return
}
A()
}(), C(A))
}(),
W = function() {
y.ie && y.win && window.attachEvent("onunload", function() {
var a = o.length;
for (var b = 0; b < a; b++) o[b][0].detachEvent(o[b][1], o[b][2]);
var c = n.length;
for (var d = 0; d < c; d++) N(n[d]);
for (var e in y) y[e] = null;
y = null;
for (var f in swfobject) swfobject[f] = null;
swfobject = null
})
}();
return {
registerObject: function(a, b, c, d) {
if (y.w3 && a && b) {
var e = {};
e.id = a, e.swfVersion = b, e.expressInstall = c, e.callbackFn = d, m[m.length] = e, U(a, !1)
} else d && d({
success: !1,
id: a
})
},
getObjectById: function(a) {
if (y.w3) return G(a)
},
embedSWF: function(c, d, e, f, g, h, i, j, k, l) {
var m = {
success: !1,
id: d
};
y.w3 && !(y.wk && y.wk < 312) && c && d && e && f && g ? (U(d, !1), B(function() {
e += "", f += "";
var n = {};
if (k && typeof k === b)
for (var o in k) n[o] = k[o];
n.data = c, n.width = e, n.height = f;
var p = {};
if (j && typeof j === b)
for (var q in j) p[q] = j[q];
if (i && typeof i === b)
for (var r in i) typeof p.flashvars != a ? p.flashvars += "&" + r + "=" + i[r] : p.flashvars = r + "=" + i[r];
if (S(g)) {
var s = L(n, p, d);
n.id == d && U(d, !0), m.success = !0, m.ref = s
} else {
if (h && H()) {
n.data = h, I(n, p, d, l);
return
}
U(d, !0)
}
l && l(m)
})) : l && l(m)
},
switchOffAutoHideShow: function() {
x = !1
},
ua: y,
getFlashPlayerVersion: function() {
return {
major: y.pv[0],
minor: y.pv[1],
release: y.pv[2]
}
},
hasFlashPlayerVersion: S,
createSWF: function(a, b, c) {
return y.w3 ? L(a, b, c) : undefined
},
showExpressInstall: function(a, b, c, d) {
y.w3 && H() && I(a, b, c, d)
},
removeSWF: function(a) {
y.w3 && N(a)
},
createCSS: function(a, b, c, d) {
y.w3 && T(a, b, c, d)
},
addDomLoadEvent: B,
addLoadEvent: C,
getQueryParamValue: function(a) {
var b = i.location.search || i.location.hash;
if (b) {
/\?/.test(b) && (b = b.split("?")[1]);
if (a == null) return V(b);
var c = b.split("&");
for (var d = 0; d < c.length; d++)
if (c[d].substring(0, c[d].indexOf("=")) == a) return V(c[d].substring(c[d].indexOf("=") + 1))
}
return ""
},
expressInstallCallback: function() {
if (u) {
var a = P(f);
a && p && (a.parentNode.replaceChild(p, a), q && (U(q, !0), y.ie && y.win && (p.style.display = "block")), r && r(s)), u = !1
}
}
}
}();
(function() {
if ("undefined" == typeof window || window.WebSocket) return;
var a = window.console;
if (!a || !a.log || !a.error) a = {
log: function() {},
error: function() {}
};
if (!swfobject.hasFlashPlayerVersion("10.0.0")) {
a.error("Flash Player >= 10.0.0 is required.");
return
}
location.protocol == "file:" && a.error("WARNING: web-socket-js doesn't work in file:///... URL unless you set Flash Security Settings properly. Open the page via Web server i.e. http://..."), WebSocket = function(a, b, c, d, e) {
var f = this;
f.__id = WebSocket.__nextId++, WebSocket.__instances[f.__id] = f, f.readyState = WebSocket.CONNECTING, f.bufferedAmount = 0, f.__events = {}, b ? typeof b == "string" && (b = [b]) : b = [], setTimeout(function() {
WebSocket.__addTask(function() {
WebSocket.__flash.create(f.__id, a, b, c || null, d || 0, e || null)
})
}, 0)
}, WebSocket.prototype.send = function(a) {
if (this.readyState == WebSocket.CONNECTING) throw "INVALID_STATE_ERR: Web Socket connection has not been established";
var b = WebSocket.__flash.send(this.__id, encodeURIComponent(a));
return b < 0 ? !0 : (this.bufferedAmount += b, !1)
}, WebSocket.prototype.close = function() {
if (this.readyState == WebSocket.CLOSED || this.readyState == WebSocket.CLOSING) return;
this.readyState = WebSocket.CLOSING, WebSocket.__flash.close(this.__id)
}, WebSocket.prototype.addEventListener = function(a, b, c) {
a in this.__events || (this.__events[a] = []), this.__events[a].push(b)
}, WebSocket.prototype.removeEventListener = function(a, b, c) {
if (!(a in this.__events)) return;
var d = this.__events[a];
for (var e = d.length - 1; e >= 0; --e)
if (d[e] === b) {
d.splice(e, 1);
break
}
}, WebSocket.prototype.dispatchEvent = function(a) {
var b = this.__events[a.type] || [];
for (var c = 0; c < b.length; ++c) b[c](a);
var d = this["on" + a.type];
d && d(a)
}, WebSocket.prototype.__handleEvent = function(a) {
"readyState" in a && (this.readyState = a.readyState), "protocol" in a && (this.protocol = a.protocol);
var b;
if (a.type == "open" || a.type == "error") b = this.__createSimpleEvent(a.type);
else if (a.type == "close") b = this.__createSimpleEvent("close");
else {
if (a.type != "message") throw "unknown event type: " + a.type;
var c = decodeURIComponent(a.message);
b = this.__createMessageEvent("message", c)
}
this.dispatchEvent(b)
}, WebSocket.prototype.__createSimpleEvent = function(a) {
if (document.createEvent && window.Event) {
var b = document.createEvent("Event");
return b.initEvent(a, !1, !1), b
}
return {
type: a,
bubbles: !1,
cancelable: !1
}
}, WebSocket.prototype.__createMessageEvent = function(a, b) {
if (document.createEvent && window.MessageEvent && !window.opera) {
var c = document.createEvent("MessageEvent");
return c.initMessageEvent("message", !1, !1, b, null, null, window, null), c
}
return {
type: a,
data: b,
bubbles: !1,
cancelable: !1
}
}, WebSocket.CONNECTING = 0, WebSocket.OPEN = 1, WebSocket.CLOSING = 2, WebSocket.CLOSED = 3, WebSocket.__flash = null, WebSocket.__instances = {}, WebSocket.__tasks = [], WebSocket.__nextId = 0, WebSocket.loadFlashPolicyFile = function(a) {
WebSocket.__addTask(function() {
WebSocket.__flash.loadManualPolicyFile(a)
})
}, WebSocket.__initialize = function() {
if (WebSocket.__flash) return;
WebSocket.__swfLocation && (window.WEB_SOCKET_SWF_LOCATION = WebSocket.__swfLocation);
if (!window.WEB_SOCKET_SWF_LOCATION) {
a.error("[WebSocket] set WEB_SOCKET_SWF_LOCATION to location of WebSocketMain.swf");
return
}
var b = document.createElement("div");
b.id = "webSocketContainer", b.style.position = "absolute", WebSocket.__isFlashLite() ? (b.style.left = "0px", b.style.top = "0px") : (b.style.left = "-100px", b.style.top = "-100px");
var c = document.createElement("div");
c.id = "webSocketFlash", b.appendChild(c), document.body.appendChild(b), swfobject.embedSWF(WEB_SOCKET_SWF_LOCATION, "webSocketFlash", "1", "1", "10.0.0", null, null, {
hasPriority: !0,
swliveconnect: !0,
allowScriptAccess: "always"
}, null, function(b) {
b.success || a.error("[WebSocket] swfobject.embedSWF failed")
})
}, WebSocket.__onFlashInitialized = function() {
setTimeout(function() {
WebSocket.__flash = document.getElementById("webSocketFlash"), WebSocket.__flash.setCallerUrl(location.href), WebSocket.__flash.setDebug(!!window.WEB_SOCKET_DEBUG);
for (var a = 0; a < WebSocket.__tasks.length; ++a) WebSocket.__tasks[a]();
WebSocket.__tasks = []
}, 0)
}, WebSocket.__onFlashEvent = function() {
return setTimeout(function() {
try {
var b = WebSocket.__flash.receiveEvents();
for (var c = 0; c < b.length; ++c) WebSocket.__instances[b[c].webSocketId].__handleEvent(b[c])
} catch (d) {
a.error(d)
}
}, 0), !0
}, WebSocket.__log = function(b) {
a.log(decodeURIComponent(b))
}, WebSocket.__error = function(b) {
a.error(decodeURIComponent(b))
}, WebSocket.__addTask = function(a) {
WebSocket.__flash ? a() : WebSocket.__tasks.push(a)
}, WebSocket.__isFlashLite = function() {
if (!window.navigator || !window.navigator.mimeTypes) return !1;
var a = window.navigator.mimeTypes["application/x-shockwave-flash"];
return !a || !a.enabledPlugin || !a.enabledPlugin.filename ? !1 : a.enabledPlugin.filename.match(/flashlite/i) ? !0 : !1
}, window.WEB_SOCKET_DISABLE_AUTO_INITIALIZATION || (window.addEventListener ? window.addEventListener("load", function() {
WebSocket.__initialize()
}, !1) : window.attachEvent("onload", function() {
WebSocket.__initialize()
}))
})(),
function(a, b, c) {
function d(a) {
if (!a) return;
b.Transport.apply(this, arguments), this.sendBuffer = []
}
function e() {}
a.XHR = d, b.util.inherit(d, b.Transport), d.prototype.open = function() {
return this.socket.setBuffer(!1), this.onOpen(), this.get(), this.setCloseTimeout(), this
}, d.prototype.payload = function(a) {
var c = [];
for (var d = 0, e = a.length; d < e; d++) c.push(b.parser.encodePacket(a[d]));
this.send(b.parser.encodePayload(c))
}, d.prototype.send = function(a) {
return this.post(a), this
}, d.prototype.post = function(a) {
function d() {
this.readyState == 4 && (this.onreadystatechange = e, b.posting = !1, this.status == 200 ? b.socket.setBuffer(!1) : b.onClose())
}
function f() {
this.onload = e, b.socket.setBuffer(!1)
}
var b = this;
this.socket.setBuffer(!0), this.sendXHR = this.request("POST"), c.XDomainRequest && this.sendXHR instanceof XDomainRequest ? this.sendXHR.onload = this.sendXHR.onerror = f : this.sendXHR.onreadystatechange = d, this.sendXHR.send(a)
}, d.prototype.close = function() {
return this.onClose(), this
}, d.prototype.request = function(a) {
var c = b.util.request(this.socket.isXDomain()),
d = b.util.query(this.socket.options.query, "t=" + +(new Date));
c.open(a || "GET", this.prepareUrl() + d, !0);
if (a == "POST") try {
c.setRequestHeader ? c.setRequestHeader("Content-type", "text/plain;charset=UTF-8") : c.contentType = "text/plain"
} catch (e) {}
return c
}, d.prototype.scheme = function() {
return this.socket.options.secure ? "https" : "http"
}, d.check = function(a, d) {
try {
var e = b.util.request(d),
f = c.XDomainRequest && e instanceof XDomainRequest,
g = a && a.options && a.options.secure ? "https:" : "http:",
h = c.location && g != c.location.protocol;
if (e && (!f || !h)) return !0
} catch (i) {}
return !1
}, d.xdomainCheck = function(a) {
return d.check(a, !0)
}
}("undefined" != typeof io ? io.Transport : module.exports, "undefined" != typeof io ? io : module.parent.exports, this),
function(a, b) {
function c(a) {
b.Transport.XHR.apply(this, arguments)
}
a.htmlfile = c, b.util.inherit(c, b.Transport.XHR), c.prototype.name = "htmlfile", c.prototype.get = function() {
this.doc = new(window[["Active"].concat("Object").join("X")])("htmlfile"), this.doc.open(), this.doc.write("<html></html>"), this.doc.close(), this.doc.parentWindow.s = this;
var a = this.doc.createElement("div");
a.className = "socketio", this.doc.body.appendChild(a), this.iframe = this.doc.createElement("iframe"), a.appendChild(this.iframe);
var c = this,
d = b.util.query(this.socket.options.query, "t=" + +(new Date));
this.iframe.src = this.prepareUrl() + d, b.util.on(window, "unload", function() {
c.destroy()
})
}, c.prototype._ = function(a, b) {
a = a.replace(/\\\//g, "/"), this.onData(a);
try {
var c = b.getElementsByTagName("script")[0];
c.parentNode.removeChild(c)
} catch (d) {}
}, c.prototype.destroy = function() {
if (this.iframe) {
try {
this.iframe.src = "about:blank"
} catch (a) {}
this.doc = null, this.iframe.parentNode.removeChild(this.iframe), this.iframe = null, CollectGarbage()
}
}, c.prototype.close = function() {
return this.destroy(), b.Transport.XHR.prototype.close.call(this)
}, c.check = function(a) {
if (typeof window != "undefined" && ["Active"].concat("Object").join("X") in window) try {
var c = new(window[["Active"].concat("Object").join("X")])("htmlfile");
return c && b.Transport.XHR.check(a)
} catch (d) {}
return !1
}, c.xdomainCheck = function() {
return !1
}, b.transports.push("htmlfile")
}("undefined" != typeof io ? io.Transport : module.exports, "undefined" != typeof io ? io : module.parent.exports),
function(a, b, c) {
function d() {
b.Transport.XHR.apply(this, arguments)
}
function e() {}
a["xhr-polling"] = d, b.util.inherit(d, b.Transport.XHR), b.util.merge(d, b.Transport.XHR), d.prototype.name = "xhr-polling", d.prototype.heartbeats = function() {
return !1
}, d.prototype.open = function() {
var a = this;
return b.Transport.XHR.prototype.open.call(a), !1
}, d.prototype.get = function() {
function b() {
this.readyState == 4 && (this.onreadystatechange = e, this.status == 200 ? (a.onData(this.responseText), a.get()) : a.onClose())
}
function d() {
this.onload = e, this.onerror = e, a.retryCounter = 1, a.onData(this.responseText), a.get()
}
function f() {
a.retryCounter++, !a.retryCounter || a.retryCounter > 3 ? a.onClose() : a.get()
}
if (!this.isOpen) return;
var a = this;
this.xhr = this.request(), c.XDomainRequest && this.xhr instanceof XDomainRequest ? (this.xhr.onload = d, this.xhr.onerror = f) : this.xhr.onreadystatechange = b, this.xhr.send(null)
}, d.prototype.onClose = function() {
b.Transport.XHR.prototype.onClose.call(this);
if (this.xhr) {
this.xhr.onreadystatechange = this.xhr.onload = this.xhr.onerror = e;
try {
this.xhr.abort()
} catch (a) {}
this.xhr = null
}
}, d.prototype.ready = function(a, c) {
var d = this;
b.util.defer(function() {
c.call(d)
})
}, b.transports.push("xhr-polling")
}("undefined" != typeof io ? io.Transport : module.exports, "undefined" != typeof io ? io : module.parent.exports, this),
function(a, b, c) {
function e(a) {
b.Transport["xhr-polling"].apply(this, arguments), this.index = b.j.length;
var c = this;
b.j.push(function(a) {
c._(a)
})
}
var d = c.document && "MozAppearance" in c.document.documentElement.style;
a["jsonp-polling"] = e, b.util.inherit(e, b.Transport["xhr-polling"]), e.prototype.name = "jsonp-polling", e.prototype.post = function(a) {
function i() {
j(), c.socket.setBuffer(!1)
}
function j() {
c.iframe && c.form.removeChild(c.iframe);
try {
h = document.createElement('<iframe name="' + c.iframeId + '">')
} catch (a) {
h = document.createElement("iframe"), h.name = c.iframeId
}
h.id = c.iframeId, c.form.appendChild(h), c.iframe = h
}
var c = this,
d = b.util.query(this.socket.options.query, "t=" + +(new Date) + "&i=" + this.index);
if (!this.form) {
var e = document.createElement("form"),
f = document.createElement("textarea"),
g = this.iframeId = "socketio_iframe_" + this.index,
h;
e.className = "socketio", e.style.position = "absolute", e.style.top = "0px", e.style.left = "0px", e.style.display = "none", e.target = g, e.method = "POST", e.setAttribute("accept-charset", "utf-8"), f.name = "d", e.appendChild(f), document.body.appendChild(e), this.form = e, this.area = f
}
this.form.action = this.prepareUrl() + d, j(), this.area.value = b.JSON.stringify(a);
try {
this.form.submit()
} catch (k) {}
this.iframe.attachEvent ? h.onreadystatechange = function() {
c.iframe.readyState == "complete" && i()
} : this.iframe.onload = i, this.socket.setBuffer(!0)
}, e.prototype.get = function() {
var a = this,
c = document.createElement("script"),
e = b.util.query(this.socket.options.query, "t=" + +(new Date) + "&i=" + this.index);
this.script && (this.script.parentNode.removeChild(this.script), this.script = null), c.async = !0, c.src = this.prepareUrl() + e, c.onerror = function() {
a.onClose()
};
var f = document.getElementsByTagName("script")[0];
f.parentNode.insertBefore(c, f), this.script = c, d && setTimeout(function() {
var a = document.createElement("iframe");
document.body.appendChild(a), document.body.removeChild(a)
}, 100)
}, e.prototype._ = function(a) {
return this.onData(a), this.isOpen && this.get(), this
}, e.prototype.ready = function(a, c) {
var e = this;
if (!d) return c.call(this);
b.util.load(function() {
c.call(e)
})
}, e.check = function() {
return "document" in c
}, e.xdomainCheck = function() {
return !0
}, b.transports.push("jsonp-polling")
}("undefined" != typeof io ? io.Transport : module.exports, "undefined" != typeof io ? io : module.parent.exports, this), typeof define == "function" && define.amd && define([], function() {
return io
})
})()
</script>
<style>
* {
font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
}
h1 {
font-size: 3em;
color: #222222;
margin: 0;
}
h5 {
margin: 0;
color: #888888;
}
p {
font-size: 0.7em;
color: #888888;
}
span {
cursor: pointer;
font-size: 10px;
margin-left: 5px;
border: 1px solid #DDD;
padding: 3px 10px 4px 10px;
}
canvas {
width: 400px;
height: 100px;
}
.active {
background: #eeeeee;
}
.stats-column {
flex: 0 0 200px;
}
.container {
display: flex;
flex-direction: row;
margin-top: 20px;
height: 100px;
}
.chart-container {
width: 400px;
height: 100px;
}
.footer {
position: fixed;
margin: auto;
text-align: center;
left: 0;
right: 0;
bottom: 0;
}
.span-controls {
float: right;
}
</style>
</head>
<body>
<div style="width: 600px; margin: auto">
<div class="header">
<b>{{title}}</b>
<div id="span-controls" class="span-controls">
</div>
</div>
<div class="container">
<div class="stats-column">
<h5>CPU Usage</h5>
<h1 id="cpuStat">- %</h1>
</div>
<div class="chart-container">
<canvas id="cpuChart" width="400" height="100"></canvas>
</div>
</div>
<div class="container">
<div class="stats-column">
<h5>Memory Usage</h5>
<h1 id="memStat">- %</h1>
</div>
<div class="chart-container">
<canvas id="memChart" width="200" height="100"></canvas>
</div>
</div>
<div class="container">
<div class="stats-column">
<h5>One Minute Load Avg</h5>
<h1 id="loadStat">-</h1>
</div>
<div class="chart-container">
<canvas id="loadChart" width="200" height="100"></canvas>
</div>
</div>
<div class="container">
<div class="stats-column">
<h5>Response Time</h5>
<h1 id="responseTimeStat">-</h1>
</div>
<div class="chart-container">
<canvas id="responseTimeChart" width="200" height="100"></canvas>
</div>
</div>
<div class="container">
<div class="stats-column">
<h5>Requests per Second</h5>
<h1 id="rpsStat">-</h1>
</div>
<div class="chart-container">
<canvas id="rpsChart" width="200" height="100"></canvas>
</div>
</div>
<div class="footer">
<p>Made with &#9829; with Socket.io & Chart.js</p>
</div>
</div>
<script>
Chart.defaults.global.defaultFontSize = 8;
Chart.defaults.global.animation.duration = 500;
Chart.defaults.global.legend.display = false;
Chart.defaults.global.elements.line.backgroundColor = "rgba(0,0,0,0)";
Chart.defaults.global.elements.line.borderColor = "rgba(0,0,0,0.9)";
Chart.defaults.global.elements.line.borderWidth = 2;
var socket = io.connect(location.protocol + '//' + location.hostname + ':' + location.port);
var defaultSpan = 0;
var spans = [];
var defaultDataset = {
label: '',
data: [],
lineTension: 0.2,
pointRadius: 0
};
var defaultOptions = {
scales: {
yAxes: [{
ticks: {
beginAtZero: true
}
}],
xAxes: [{
type: 'time',
time: {
unitStepSize: 30
},
gridLines: {
display: false
}
}]
},
tooltips: {
enabled: false
},
responsive: true,
maintainAspectRatio: false,
animation: false
};
var createChart = function(ctx, dataset) {
return new Chart(ctx, {
type: 'line',
data: {
labels: [],
datasets: dataset
},
options: defaultOptions
});
};
var addTimestamp = function(point) {
return point.timestamp;
};
var cpuDataset = [Object.create(defaultDataset)];
var memDataset = [Object.create(defaultDataset)];
var loadDataset = [Object.create(defaultDataset)];
var responseTimeDataset = [Object.create(defaultDataset)];
var rpsDataset = [Object.create(defaultDataset)];
var cpuStat = document.getElementById('cpuStat');
var memStat = document.getElementById('memStat');
var loadStat = document.getElementById('loadStat');
var responseTimeStat = document.getElementById('responseTimeStat');
var rpsStat = document.getElementById('rpsStat');
var cpuChartCtx = document.getElementById("cpuChart");
var memChartCtx = document.getElementById("memChart");
var loadChartCtx = document.getElementById("loadChart");
var responseTimeChartCtx = document.getElementById("responseTimeChart");
var rpsChartCtx = document.getElementById("rpsChart");
var cpuChart = createChart(cpuChartCtx, cpuDataset);
var memChart = createChart(memChartCtx, memDataset);
var loadChart = createChart(loadChartCtx, loadDataset);
var responseTimeChart = createChart(responseTimeChartCtx, responseTimeDataset);
var rpsChart = createChart(rpsChartCtx, rpsDataset);
var charts = [cpuChart, memChart, loadChart, responseTimeChart, rpsChart];
var onSpanChange = function(e) {
e.target.classList.add('active');
defaultSpan = parseInt(e.target.id);
var otherSpans = document.getElementsByTagName('span');
for (var i = 0; i < otherSpans.length; i++) {
if (otherSpans[i] !== e.target) otherSpans[i].classList.remove('active');
}
socket.emit('change');
};
socket.on('start', function(data) {
// Remove last element of Array because it contains malformed responses data.
// To keep consistency we also remove os data.
data[defaultSpan].responses.pop();
data[defaultSpan].os.pop();
cpuStat.textContent = data[defaultSpan].os[data[defaultSpan].os.length - 1].cpu.toFixed(1) + '%';
cpuChart.data.datasets[0].data = data[defaultSpan].os.map(function(point) {
return point.cpu || 0;
});
cpuChart.data.labels = data[defaultSpan].os.map(addTimestamp);
memStat.textContent = data[defaultSpan].os[data[defaultSpan].os.length - 1].memory.toFixed(1) + 'MB';
memChart.data.datasets[0].data = data[defaultSpan].os.map(function(point) {
return point.memory;
});
memChart.data.labels = data[defaultSpan].os.map(addTimestamp);
loadStat.textContent = data[defaultSpan].os[data[defaultSpan].os.length - 1].load[defaultSpan].toFixed(2);
loadChart.data.datasets[0].data = data[defaultSpan].os.map(function(point) {
return point.load[0];
});
loadChart.data.labels = data[defaultSpan].os.map(addTimestamp);
responseTimeStat.textContent = data[defaultSpan].responses[data[defaultSpan].responses.length - 1].mean.toFixed(2) + 'ms';
responseTimeChart.data.datasets[0].data = data[defaultSpan].responses.map(function(point) {
return point.mean;
});
responseTimeChart.data.labels = data[defaultSpan].responses.map(addTimestamp);
if (data[defaultSpan].responses.length >= 2) {
var deltaTime = data[defaultSpan].responses[data[defaultSpan].responses.length - 1].timestamp - data[defaultSpan].responses[data[defaultSpan].responses.length - 2].timestamp;
rpsStat.textContent = (data[defaultSpan].responses[data[defaultSpan].responses.length - 1].count / deltaTime * 1000).toFixed(2);
rpsChart.data.datasets[0].data = data[defaultSpan].responses.map(function(point) {
return point.count / deltaTime * 1000;
});
rpsChart.data.labels = data[defaultSpan].responses.map(addTimestamp);
}
charts.forEach(function(chart) {
chart.update();
});
var spanControls = document.getElementById('span-controls');
if (data.length !== spans.length) {
data.forEach(function(span, index) {
spans.push({
retention: span.retention,
interval: span.interval
});
var spanNode = document.createElement('span');
var textNode = document.createTextNode((span.retention * span.interval) / 60 + "M");
spanNode.appendChild(textNode);
spanNode.setAttribute('id', index);
spanNode.onclick = onSpanChange;
spanControls.appendChild(spanNode);
});
document.getElementsByTagName('span')[0].classList.add('active');
}
});
socket.on('stats', function(data) {
if (data.retention === spans[defaultSpan].retention && data.interval === spans[defaultSpan].interval) {
cpuStat.textContent = (data.os.cpu || 0).toFixed(1) + '%';
cpuChart.data.datasets[0].data.push(data.os.cpu);
cpuChart.data.labels.push(data.os.timestamp);
memStat.textContent = data.os.memory.toFixed(1) + 'MB';
memChart.data.datasets[0].data.push(data.os.memory);
memChart.data.labels.push(data.os.timestamp);
loadStat.textContent = data.os.load[0].toFixed(2);
loadChart.data.datasets[0].data.push(data.os.load[0]);
loadChart.data.labels.push(data.os.timestamp);
responseTimeStat.textContent = data.responses.mean.toFixed(2) + 'ms';
responseTimeChart.data.datasets[0].data.push(data.responses.mean);
responseTimeChart.data.labels.push(data.responses.timestamp);
var deltaTime = data.responses.timestamp - rpsChart.data.labels[rpsChart.data.labels.length - 1];
rpsStat.textContent = (data.responses.count / deltaTime * 1000).toFixed(2);
rpsChart.data.datasets[0].data.push(data.responses.count / deltaTime * 1000);
rpsChart.data.labels.push(data.responses.timestamp);
charts.forEach(function(chart) {
if (spans[defaultSpan].retention < chart.data.labels.length) {
chart.data.datasets[0].data.shift();
chart.data.labels.shift();
}
chart.update();
});
}
});
</script>
</body>
</html>
\ No newline at end of file
......
index.js
(function () {
'use strict';
const fs = require('fs');
const path = require('path');
const os = require('os');
const onHeaders = require('on-headers');
const pidusage = require('pidusage');
let io;
const defaultConfig = {
title: 'Express Status',
path: '/status',
spans: [{
interval: 1,
retention: 60
}, {
interval: 5,
retention: 60
}, {
interval: 15,
retention: 60
}]
};
const gatherOsMetrics = (io, span) => {
const defaultResponse = {
'2': 0,
'3': 0,
'4': 0,
'5': 0,
count: 0,
mean: 0,
timestamp: Date.now()
};
pidusage.stat(process.pid, (err, stat) => {
const last = span.responses[span.responses.length - 1];
// Convert from B to MB
stat.memory = stat.memory / 1024 / 1024;
stat.load = os.loadavg();
stat.timestamp = Date.now();
span.os.push(stat);
if (!span.responses[0] || last.timestamp + (span.interval * 1000) < Date.now()) span.responses.push(defaultResponse);
if (span.os.length >= span.retention) span.os.shift();
if (span.responses[0] && span.responses.length > span.retention) span.responses.shift();
sendMetrics(io, span);
});
};
const sendMetrics = (io, span) => {
io.emit('stats', {
os: span.os[span.os.length - 2],
responses: span.responses[span.responses.length - 2],
interval: span.interval,
retention: span.retention
});
};
const middlewareWrapper = (config) => {
if (config === null || config === undefined) {
config = defaultConfig;
}
if (config.path === undefined || !config instanceof String) {
config.path = defaultConfig.path;
}
if (config.spans === undefined || !config instanceof Array) {
config.spans = defaultConfig.spans;
}
if (config.title === undefined || !config instanceof String) {
config.title = 'Express Status';
}
let renderedHtml;
fs.readFile(path.join(__dirname, '/index.html'), function(err, html){
renderedHtml = html.toString().replace(/{{title}}/g, config.title);
});
return (req, res, next) => {
if (io === null || io === undefined) {
io = require('socket.io')(req.socket.server);
io.on('connection', (socket) => {
socket.emit('start', config.spans);
socket.on('change', function() { socket.emit('start', config.spans); });
});
config.spans.forEach((span) => {
span.os = [];
span.responses = [];
setInterval(() => gatherOsMetrics(io, span), span.interval * 1000);
});
}
const startTime = process.hrtime();
if (req.path === config.path) {
res.send(renderedHtml);
} else {
onHeaders(res, () => {
const diff = process.hrtime(startTime);
const responseTime = diff[0] * 1e3 + diff[1] * 1e-6;
const category = Math.floor(res.statusCode / 100);
config.spans.forEach((span) => {
const last = span.responses[span.responses.length - 1];
if (last !== undefined &&
last.timestamp / 1000 + span.interval > Date.now() / 1000) {
last[category]++;
last.count++;
last.mean = last.mean + ((responseTime - last.mean) / last.count);
} else {
span.responses.push({
'2': category === 2 ? 1 : 0,
'3': category === 3 ? 1 : 0,
'4': category === 4 ? 1 : 0,
'5': category === 5 ? 1 : 0,
count: 1,
mean: responseTime,
timestamp: Date.now()
});
}
});
});
next();
}
};
};
module.exports = middlewareWrapper;
}());
(function() {
'use strict';
const fs = require('fs');
const path = require('path');
const os = require('os');
const onHeaders = require('on-headers');
const pidusage = require('pidusage');
let io;
const defaultConfig = {
uri: 'www.cert.coder.fi',
port: 4000,
title: 'Express Status',
path: '/status',
spans: [{
interval: 1,
retention: 60
}, {
interval: 5,
retention: 60
}, {
interval: 15,
retention: 60
}]
};
const gatherOsMetrics = (io, span) => {
const defaultResponse = {
'2': 0,
'3': 0,
'4': 0,
'5': 0,
count: 0,
mean: 0,
timestamp: Date.now()
};
pidusage.stat(process.pid, (err, stat) => {
const last = span.responses[span.responses.length - 1];
// Convert from B to MB
stat.memory = stat.memory / 1024 / 1024;
stat.load = os.loadavg();
stat.timestamp = Date.now();
span.os.push(stat);
if (!span.responses[0] || last.timestamp + (span.interval * 1000) < Date.now()) span.responses.push(defaultResponse);
if (span.os.length >= span.retention) span.os.shift();
if (span.responses[0] && span.responses.length > span.retention) span.responses.shift();
sendMetrics(io, span);
});
};
const sendMetrics = (io, span) => {
io.emit('stats', {
os: span.os[span.os.length - 2],
responses: span.responses[span.responses.length - 2],
interval: span.interval,
retention: span.retention
});
};
const middlewareWrapper = (config, server) => {
if (config === null || config === undefined) {
config = defaultConfig;
}
if (config.path === undefined || !config instanceof String) {
config.path = defaultConfig.path;
}
if (config.spans === undefined || !config instanceof Array) {
config.spans = defaultConfig.spans;
}
if (config.title === undefined || !config instanceof String) {
config.title = 'Express Status';
}
let renderedHtml;
fs.readFile(path.join(__dirname, '/index.html'), function(err, html) {
renderedHtml = html.toString().replace(/{{title}}/g, config.title);
});
return (req, res, next) => {
if (io === null || io === undefined) {
//console.log(req)
io = require('socket.io').listen(server);
io.on('connection', (socket) => {
socket.emit('start', config.spans);
socket.on('change', function() {
socket.emit('start', config.spans);
});
});
config.spans.forEach((span) => {
span.os = [];
span.responses = [];
setInterval(() => gatherOsMetrics(io, span), span.interval * 1000);
});
}
const startTime = process.hrtime();
if (req.path === config.path) {
res.send(renderedHtml);
} else {
onHeaders(res, () => {
const diff = process.hrtime(startTime);
const responseTime = diff[0] * 1e3 + diff[1] * 1e-6;
const category = Math.floor(res.statusCode / 100);
config.spans.forEach((span) => {
const last = span.responses[span.responses.length - 1];
if (last !== undefined &&
last.timestamp / 1000 + span.interval > Date.now() / 1000) {
last[category]++;
last.count++;
last.mean = last.mean + ((responseTime - last.mean) / last.count);
} else {
span.responses.push({
'2': category === 2 ? 1 : 0,
'3': category === 3 ? 1 : 0,
'4': category === 4 ? 1 : 0,
'5': category === 5 ? 1 : 0,
count: 1,
mean: responseTime,
timestamp: Date.now()
});
}
});
});
next();
}
};
};
module.exports = middlewareWrapper;
}());
......
license.txt
MIT License
Copyright (c) 2016 Rafal Wilinski
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
MIT License
Copyright (c) 2016 Rafal Wilinski
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
\ No newline at end of file
......
package.json
{
"name": "express-status-monitor",
"version": "0.0.10",
"description": "Realtime Monitoring for Express-based Node applications",
"main": "app.js",
"keywords": [
"node",
"status",
"monitoring",
"express",
"charts"
],
"author": "Rafal Wilinski <raf.wilinski@gmail.com> (http://rwilinski.me)",
"contributors": [
{
"name": "Julien Breux",
"email": "julien.breux@gmail.com",
"url": "https://github.com/JulienBreux/"
}
],
"repository": {
"type": "git",
"url": "https://github.com/RafalWilinski/express-status-monitor.git"
},
"license": "MIT",
"dependencies": {
"on-headers": "^1.0.1",
"pidusage": "^1.0.4",
"socket.io": "^1.4.8"
}
}
{
"name": "express-status-monitor",
"version": "0.0.10-dev",
"description": "Realtime Monitoring for Express-based Node applications",
"main": "app.js",
"keywords": [
"node",
"status",
"monitoring",
"express",
"charts"
],
"author": "Rafal Wilinski <raf.wilinski@gmail.com> (http://rwilinski.me)",
"contributors": [
{
"name": "Julien Breux",
"email": "julien.breux@gmail.com",
"url": "https://github.com/JulienBreux/"
},
{
"name": "Jabis Sevon",
"email": "jabis.is@gmail.com",
"url": "https://jscodex.com"
}
],
"repository": {
"type": "git",
"url": "https://github.com/RafalWilinski/express-status-monitor.git"
},
"license": "MIT",
"dependencies": {
"on-headers": "^1.0.1",
"pidusage": "^1.0.4",
"socket.io": "^0.9.17"
}
}
......
socket.io.min.js 0 → 100644
/*! Socket.IO.min.js build:0.9.16, production. Copyright(c) 2011 LearnBoost <dev@learnboost.com> MIT Licensed */
var io="undefined"==typeof module?{}:module.exports;(function(){(function(a,b){var c=a;c.version="0.9.16",c.protocol=1,c.transports=[],c.j=[],c.sockets={},c.connect=function(a,d){var e=c.util.parseUri(a),f,g;b&&b.location&&(e.protocol=e.protocol||b.location.protocol.slice(0,-1),e.host=e.host||(b.document?b.document.domain:b.location.hostname),e.port=e.port||b.location.port),f=c.util.uniqueUri(e);var h={host:e.host,secure:"https"==e.protocol,port:e.port||("https"==e.protocol?443:80),query:e.query||""};c.util.merge(h,d);if(h["force new connection"]||!c.sockets[f])g=new c.Socket(h);return!h["force new connection"]&&g&&(c.sockets[f]=g),g=g||c.sockets[f],g.of(e.path.length>1?e.path:"")}})("object"==typeof module?module.exports:this.io={},this),function(a,b){var c=a.util={},d=/^(?:(?![^:@]+:[^:@\/]*@)([^:\/?#.]+):)?(?:\/\/)?((?:(([^:@]*)(?::([^:@]*))?)?@)?([^:\/?#]*)(?::(\d*))?)(((\/(?:[^?#](?![^?#\/]*\.[^?#\/.]+(?:[?#]|$)))*\/?)?([^?#\/]*))(?:\?([^#]*))?(?:#(.*))?)/,e=["source","protocol","authority","userInfo","user","password","host","port","relative","path","directory","file","query","anchor"];c.parseUri=function(a){var b=d.exec(a||""),c={},f=14;while(f--)c[e[f]]=b[f]||"";return c},c.uniqueUri=function(a){var c=a.protocol,d=a.host,e=a.port;return"document"in b?(d=d||document.domain,e=e||(c=="https"&&document.location.protocol!=="https:"?443:document.location.port)):(d=d||"localhost",!e&&c=="https"&&(e=443)),(c||"http")+"://"+d+":"+(e||80)},c.query=function(a,b){var d=c.chunkQuery(a||""),e=[];c.merge(d,c.chunkQuery(b||""));for(var f in d)d.hasOwnProperty(f)&&e.push(f+"="+d[f]);return e.length?"?"+e.join("&"):""},c.chunkQuery=function(a){var b={},c=a.split("&"),d=0,e=c.length,f;for(;d<e;++d)f=c[d].split("="),f[0]&&(b[f[0]]=f[1]);return b};var f=!1;c.load=function(a){if("document"in b&&document.readyState==="complete"||f)return a();c.on(b,"load",a,!1)},c.on=function(a,b,c,d){a.attachEvent?a.attachEvent("on"+b,c):a.addEventListener&&a.addEventListener(b,c,d)},c.request=function(a){if(a&&"undefined"!=typeof XDomainRequest&&!c.ua.hasCORS)return new XDomainRequest;if("undefined"!=typeof XMLHttpRequest&&(!a||c.ua.hasCORS))return new XMLHttpRequest;if(!a)try{return new(window[["Active"].concat("Object").join("X")])("Microsoft.XMLHTTP")}catch(b){}return null},"undefined"!=typeof window&&c.load(function(){f=!0}),c.defer=function(a){if(!c.ua.webkit||"undefined"!=typeof importScripts)return a();c.load(function(){setTimeout(a,100)})},c.merge=function(b,d,e,f){var g=f||[],h=typeof e=="undefined"?2:e,i;for(i in d)d.hasOwnProperty(i)&&c.indexOf(g,i)<0&&(typeof b[i]!="object"||!h?(b[i]=d[i],g.push(d[i])):c.merge(b[i],d[i],h-1,g));return b},c.mixin=function(a,b){c.merge(a.prototype,b.prototype)},c.inherit=function(a,b){function c(){}c.prototype=b.prototype,a.prototype=new c},c.isArray=Array.isArray||function(a){return Object.prototype.toString.call(a)==="[object Array]"},c.intersect=function(a,b){var d=[],e=a.length>b.length?a:b,f=a.length>b.length?b:a;for(var g=0,h=f.length;g<h;g++)~c.indexOf(e,f[g])&&d.push(f[g]);return d},c.indexOf=function(a,b,c){for(var d=a.length,c=c<0?c+d<0?0:c+d:c||0;c<d&&a[c]!==b;c++);return d<=c?-1:c},c.toArray=function(a){var b=[];for(var c=0,d=a.length;c<d;c++)b.push(a[c]);return b},c.ua={},c.ua.hasCORS="undefined"!=typeof XMLHttpRequest&&function(){try{var a=new XMLHttpRequest}catch(b){return!1}return a.withCredentials!=undefined}(),c.ua.webkit="undefined"!=typeof navigator&&/webkit/i.test(navigator.userAgent),c.ua.iDevice="undefined"!=typeof navigator&&/iPad|iPhone|iPod/i.test(navigator.userAgent)}("undefined"!=typeof io?io:module.exports,this),function(a,b){function c(){}a.EventEmitter=c,c.prototype.on=function(a,c){return this.$events||(this.$events={}),this.$events[a]?b.util.isArray(this.$events[a])?this.$events[a].push(c):this.$events[a]=[this.$events[a],c]:this.$events[a]=c,this},c.prototype.addListener=c.prototype.on,c.prototype.once=function(a,b){function d(){c.removeListener(a,d),b.apply(this,arguments)}var c=this;return d.listener=b,this.on(a,d),this},c.prototype.removeListener=function(a,c){if(this.$events&&this.$events[a]){var d=this.$events[a];if(b.util.isArray(d)){var e=-1;for(var f=0,g=d.length;f<g;f++)if(d[f]===c||d[f].listener&&d[f].listener===c){e=f;break}if(e<0)return this;d.splice(e,1),d.length||delete this.$events[a]}else(d===c||d.listener&&d.listener===c)&&delete this.$events[a]}return this},c.prototype.removeAllListeners=function(a){return a===undefined?(this.$events={},this):(this.$events&&this.$events[a]&&(this.$events[a]=null),this)},c.prototype.listeners=function(a){return this.$events||(this.$events={}),this.$events[a]||(this.$events[a]=[]),b.util.isArray(this.$events[a])||(this.$events[a]=[this.$events[a]]),this.$events[a]},c.prototype.emit=function(a){if(!this.$events)return!1;var c=this.$events[a];if(!c)return!1;var d=Array.prototype.slice.call(arguments,1);if("function"==typeof c)c.apply(this,d);else{if(!b.util.isArray(c))return!1;var e=c.slice();for(var f=0,g=e.length;f<g;f++)e[f].apply(this,d)}return!0}}("undefined"!=typeof io?io:module.exports,"undefined"!=typeof io?io:module.parent.exports),function(exports,nativeJSON){function f(a){return a<10?"0"+a:a}function date(a,b){return isFinite(a.valueOf())?a.getUTCFullYear()+"-"+f(a.getUTCMonth()+1)+"-"+f(a.getUTCDate())+"T"+f(a.getUTCHours())+":"+f(a.getUTCMinutes())+":"+f(a.getUTCSeconds())+"Z":null}function quote(a){return escapable.lastIndex=0,escapable.test(a)?'"'+a.replace(escapable,function(a){var b=meta[a];return typeof b=="string"?b:"\\u"+("0000"+a.charCodeAt(0).toString(16)).slice(-4)})+'"':'"'+a+'"'}function str(a,b){var c,d,e,f,g=gap,h,i=b[a];i instanceof Date&&(i=date(a)),typeof rep=="function"&&(i=rep.call(b,a,i));switch(typeof i){case"string":return quote(i);case"number":return isFinite(i)?String(i):"null";case"boolean":case"null":return String(i);case"object":if(!i)return"null";gap+=indent,h=[];if(Object.prototype.toString.apply(i)==="[object Array]"){f=i.length;for(c=0;c<f;c+=1)h[c]=str(c,i)||"null";return e=h.length===0?"[]":gap?"[\n"+gap+h.join(",\n"+gap)+"\n"+g+"]":"["+h.join(",")+"]",gap=g,e}if(rep&&typeof rep=="object"){f=rep.length;for(c=0;c<f;c+=1)typeof rep[c]=="string"&&(d=rep[c],e=str(d,i),e&&h.push(quote(d)+(gap?": ":":")+e))}else for(d in i)Object.prototype.hasOwnProperty.call(i,d)&&(e=str(d,i),e&&h.push(quote(d)+(gap?": ":":")+e));return e=h.length===0?"{}":gap?"{\n"+gap+h.join(",\n"+gap)+"\n"+g+"}":"{"+h.join(",")+"}",gap=g,e}}"use strict";if(nativeJSON&&nativeJSON.parse)return exports.JSON={parse:nativeJSON.parse,stringify:nativeJSON.stringify};var JSON=exports.JSON={},cx=/[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,escapable=/[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,gap,indent,meta={"\b":"\\b","\t":"\\t","\n":"\\n","\f":"\\f","\r":"\\r",'"':'\\"',"\\":"\\\\"},rep;JSON.stringify=function(a,b,c){var d;gap="",indent="";if(typeof c=="number")for(d=0;d<c;d+=1)indent+=" ";else typeof c=="string"&&(indent=c);rep=b;if(!b||typeof b=="function"||typeof b=="object"&&typeof b.length=="number")return str("",{"":a});throw new Error("JSON.stringify")},JSON.parse=function(text,reviver){function walk(a,b){var c,d,e=a[b];if(e&&typeof e=="object")for(c in e)Object.prototype.hasOwnProperty.call(e,c)&&(d=walk(e,c),d!==undefined?e[c]=d:delete e[c]);return reviver.call(a,b,e)}var j;text=String(text),cx.lastIndex=0,cx.test(text)&&(text=text.replace(cx,function(a){return"\\u"+("0000"+a.charCodeAt(0).toString(16)).slice(-4)}));if(/^[\],:{}\s]*$/.test(text.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,"@").replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,"]").replace(/(?:^|:|,)(?:\s*\[)+/g,"")))return j=eval("("+text+")"),typeof reviver=="function"?walk({"":j},""):j;throw new SyntaxError("JSON.parse")}}("undefined"!=typeof io?io:module.exports,typeof JSON!="undefined"?JSON:undefined),function(a,b){var c=a.parser={},d=c.packets=["disconnect","connect","heartbeat","message","json","event","ack","error","noop"],e=c.reasons=["transport not supported","client not handshaken","unauthorized"],f=c.advice=["reconnect"],g=b.JSON,h=b.util.indexOf;c.encodePacket=function(a){var b=h(d,a.type),c=a.id||"",i=a.endpoint||"",j=a.ack,k=null;switch(a.type){case"error":var l=a.reason?h(e,a.reason):"",m=a.advice?h(f,a.advice):"";if(l!==""||m!=="")k=l+(m!==""?"+"+m:"");break;case"message":a.data!==""&&(k=a.data);break;case"event":var n={name:a.name};a.args&&a.args.length&&(n.args=a.args),k=g.stringify(n);break;case"json":k=g.stringify(a.data);break;case"connect":a.qs&&(k=a.qs);break;case"ack":k=a.ackId+(a.args&&a.args.length?"+"+g.stringify(a.args):"")}var o=[b,c+(j=="data"?"+":""),i];return k!==null&&k!==undefined&&o.push(k),o.join(":")},c.encodePayload=function(a){var b="";if(a.length==1)return a[0];for(var c=0,d=a.length;c<d;c++){var e=a[c];b+="\ufffd"+e.length+"\ufffd"+a[c]}return b};var i=/([^:]+):([0-9]+)?(\+)?:([^:]+)?:?([\s\S]*)?/;c.decodePacket=function(a){var b=a.match(i);if(!b)return{};var c=b[2]||"",a=b[5]||"",h={type:d[b[1]],endpoint:b[4]||""};c&&(h.id=c,b[3]?h.ack="data":h.ack=!0);switch(h.type){case"error":var b=a.split("+");h.reason=e[b[0]]||"",h.advice=f[b[1]]||"";break;case"message":h.data=a||"";break;case"event":try{var j=g.parse(a);h.name=j.name,h.args=j.args}catch(k){}h.args=h.args||[];break;case"json":try{h.data=g.parse(a)}catch(k){}break;case"connect":h.qs=a||"";break;case"ack":var b=a.match(/^([0-9]+)(\+)?(.*)/);if(b){h.ackId=b[1],h.args=[];if(b[3])try{h.args=b[3]?g.parse(b[3]):[]}catch(k){}}break;case"disconnect":case"heartbeat":}return h},c.decodePayload=function(a){if(a.charAt(0)=="\ufffd"){var b=[];for(var d=1,e="";d<a.length;d++)a.charAt(d)=="\ufffd"?(b.push(c.decodePacket(a.substr(d+1).substr(0,e))),d+=Number(e)+1,e=""):e+=a.charAt(d);return b}return[c.decodePacket(a)]}}("undefined"!=typeof io?io:module.exports,"undefined"!=typeof io?io:module.parent.exports),function(a,b){function c(a,b){this.socket=a,this.sessid=b}a.Transport=c,b.util.mixin(c,b.EventEmitter),c.prototype.heartbeats=function(){return!0},c.prototype.onData=function(a){this.clearCloseTimeout(),(this.socket.connected||this.socket.connecting||this.socket.reconnecting)&&this.setCloseTimeout();if(a!==""){var c=b.parser.decodePayload(a);if(c&&c.length)for(var d=0,e=c.length;d<e;d++)this.onPacket(c[d])}return this},c.prototype.onPacket=function(a){return this.socket.setHeartbeatTimeout(),a.type=="heartbeat"?this.onHeartbeat():(a.type=="connect"&&a.endpoint==""&&this.onConnect(),a.type=="error"&&a.advice=="reconnect"&&(this.isOpen=!1),this.socket.onPacket(a),this)},c.prototype.setCloseTimeout=function(){if(!this.closeTimeout){var a=this;this.closeTimeout=setTimeout(function(){a.onDisconnect()},this.socket.closeTimeout)}},c.prototype.onDisconnect=function(){return this.isOpen&&this.close(),this.clearTimeouts(),this.socket.onDisconnect(),this},c.prototype.onConnect=function(){return this.socket.onConnect(),this},c.prototype.clearCloseTimeout=function(){this.closeTimeout&&(clearTimeout(this.closeTimeout),this.closeTimeout=null)},c.prototype.clearTimeouts=function(){this.clearCloseTimeout(),this.reopenTimeout&&clearTimeout(this.reopenTimeout)},c.prototype.packet=function(a){this.send(b.parser.encodePacket(a))},c.prototype.onHeartbeat=function(a){this.packet({type:"heartbeat"})},c.prototype.onOpen=function(){this.isOpen=!0,this.clearCloseTimeout(),this.socket.onOpen()},c.prototype.onClose=function(){var a=this;this.isOpen=!1,this.socket.onClose(),this.onDisconnect()},c.prototype.prepareUrl=function(){var a=this.socket.options;return this.scheme()+"://"+a.host+":"+a.port+"/"+a.resource+"/"+b.protocol+"/"+this.name+"/"+this.sessid},c.prototype.ready=function(a,b){b.call(this)}}("undefined"!=typeof io?io:module.exports,"undefined"!=typeof io?io:module.parent.exports),function(a,b,c){function d(a){this.options={port:80,secure:!1,document:"document"in 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