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monitor-chart-v2.php
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monitor-chart-v2.php
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<?php
/**
* web监控php-fpm status数据
* @author Cqiu
* @date 2019-9-25
*/
if (isset($_REQUEST['data'])) {
date_default_timezone_set("Asia/Chongqing");
header("Content-Type: text/event-stream\n\n");
$url = 'http://xxxx.com/status';
$r = [
'listen_queue' => 0,
//'max_listen_queue' => 0,
//'listen_queue_len' => 0,
'idle_processes' => 0,
'active_processes' => 0,
//'total_processes' => 0,
//'max_active_processes' => 0,
//'max_children_reached' => 0
];
// 注意：相对ajax方案，这个是单线程阻塞的！时间准确性还没有对上，目前有延迟问题。
$ctx = stream_context_create([
'http' => [
'timeout' => 2,
],
]);
while (1) {
$result = json_decode(file_get_contents($url . '?json', 0, $ctx), 1);
foreach ($result as $k => $v) {
$k = strtr($k, ' ', '_');
isset($r[$k]) && $r[$k] = $v;
}
echo 'data: ', json_encode($r), "\n\n";
ob_flush();
flush();
sleep(1);
}
}
?>
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<link rel="shortcut icon" href="https://tool.lu/favicon.ico">
<meta name="viewport" content="width=device-width, initial-scale=1">
<script src="https://cdn.bootcss.com/highstock/6.0.3/highstock.js"></script>
</head>
<body>
<div id="container" style="min-width:400px;height:400px"></div>
<script>
var dataQueue = [];
Highcharts.setOptions({
global: {
useUTC: false
}
});
// 填充初始值，才能有宽度
var fillData = [], time = (new Date()).getTime();
for (var i = -60; i <= 0; i += 1) {
fillData.push([time + i * 1000, 0]);
}
function activeLastPointToolip(chart) {
var points = chart.series[0].points;
chart.tooltip.refresh(points[points.length - 1]);
}
var chart = Highcharts.chart('container', {
chart: {
type: 'spline',
marginRight: 10,
events: {
load: function () {
var chart = this, series = this.series;
activeLastPointToolip(chart);
setInterval(function () {
var result = dataQueue.shift();
var time = (new Date()).getTime();
//如果没有数据，时间线会拉得很长，点不可看
if (!result) {
for (var i in series) {
series[i].addPoint([time, 0], true, true);
}
return;
}
var k = 0;
for (var i in result) {
if (i !== 'start_time') {
//console.log(i, result[i] * 1);
series[k].addPoint([
time,
result[i] * 1
], true, true);//, true
k++;
}
}
//activeLastPointToolip(chart);
}, 1000);
/*
var series = this.series[0],
chart = this;
activeLastPointToolip(chart);
setInterval(function () {
var x = (new Date()).getTime(), // 当前时间
y = Math.random(); // 随机值
series.addPoint([x, y], true, true);
activeLastPointToolip(chart);
}, 1000);
*/
}
}
},
title: {
text: 'php-fpm status实时数据'
},
legend: {
layout: 'vertical',
align: 'right',
verticalAlign: 'middle'
},
xAxis: {
type: 'datetime',
tickPixelInterval: 150
},
yAxis: {
title: {
text: null
}
},
tooltip: {
formatter: function () {
return '<b>' + this.series.name + '</b><br/>' +
Highcharts.dateFormat('%Y-%m-%d %H:%M:%S', this.x) + '<br/>' +
Highcharts.numberFormat(this.y, 2);
}
},
series: [{
"name": "listen_queue",
"data": fillData
}, {
"name": "idle_processes",
"data": fillData
}, {
"name": "active_processes",
"data": fillData
}]
});
var evtSource = new EventSource('?data');
evtSource.onmessage = function (e) {
dataQueue.push(JSON.parse(e.data));
}
</script>
</body>
</html>