rudeshark.net/src/daemons/server-stats.ts

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import * as os from 'os';
const sysUtils = require('systeminformation');
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import * as diskusage from 'diskusage';
import Xev from 'xev';
const ev = new Xev();
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const interval = 1000;
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/**
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* Report server stats regularly
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*/
export default function() {
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const log: any[] = [];
ev.on('requestServerStatsLog', id => {
ev.emit('serverStatsLog:' + id, log);
});
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async function tick() {
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const cpu = await cpuUsage();
const freemem = await freeMem();
const totalmem = await totalMem();
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const disk = diskusage.checkSync(os.platform() == 'win32' ? 'c:' : '/');
const stats = {
cpu_usage: cpu,
mem: {
total: totalmem,
free: freemem
},
disk,
os_uptime: os.uptime(),
process_uptime: process.uptime()
};
ev.emit('serverStats', stats);
log.push(stats);
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if (log.length > 50) log.shift();
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}
tick();
setInterval(tick, interval);
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}
// CPU STAT
async function cpuUsage() {
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try {
const data = await sysUtils.currentLoad();
return Math.floor(data.currentload);
} catch (error) {
console.error(error);
throw error;
}
}
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// MEMORY(excl buffer + cache) STAT
async function freeMem() {
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try {
const data = await sysUtils.mem();
return data.active;
} catch (error) {
console.error(error);
}
}
// TOTAL MEMORY STAT
async function totalMem() {
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try {
const data = await sysUtils.mem();
return data.total;
} catch (error) {
console.error(error);
}
}