78 lines
1.5 KiB
TypeScript
78 lines
1.5 KiB
TypeScript
import * as os from 'os';
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import * as sysUtils from 'systeminformation';
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import * as diskusage from 'diskusage';
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import * as Deque from 'double-ended-queue';
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import Xev from 'xev';
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const osUtils = require('os-utils');
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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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*/
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export default function() {
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const log = new Deque<any>();
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ev.on('requestServerStatsLog', x => {
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ev.emit(`serverStatsLog:${x.id}`, log.toArray().slice(0, x.length || 50));
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});
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async function tick() {
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const cpu = await cpuUsage();
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const usedmem = await usedMem();
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const totalmem = await totalMem();
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const disk = diskusage.checkSync(os.platform() == 'win32' ? 'c:' : '/');
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const stats = {
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cpu_usage: cpu,
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mem: {
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total: totalmem,
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used: usedmem
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},
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disk,
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os_uptime: os.uptime(),
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process_uptime: process.uptime()
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};
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ev.emit('serverStats', stats);
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log.unshift(stats);
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if (log.length > 200) log.pop();
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}
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tick();
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setInterval(tick, interval);
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}
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// CPU STAT
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function cpuUsage() {
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return new Promise((res, rej) => {
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osUtils.cpuUsage((cpuUsage: number) => {
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res(cpuUsage);
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});
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});
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}
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// MEMORY(excl buffer + cache) STAT
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async function usedMem() {
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try {
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const data = await sysUtils.mem();
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return data.active;
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} catch (error) {
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console.error(error);
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throw error;
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}
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}
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// TOTAL MEMORY STAT
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async function totalMem() {
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try {
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const data = await sysUtils.mem();
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return data.total;
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} catch (error) {
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console.error(error);
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throw error;
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}
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}
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