77 lines
1.4 KiB
TypeScript
77 lines
1.4 KiB
TypeScript
import * as si from 'systeminformation';
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import Xev from 'xev';
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import * as osUtils from 'os-utils';
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const ev = new Xev();
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const interval = 2000;
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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 = [] as any[];
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ev.on('requestServerStatsLog', x => {
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ev.emit(`serverStatsLog:${x.id}`, log.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 memStats = await mem();
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const netStats = await net();
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const fsStats = await fs();
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const stats = {
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cpu: cpu,
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mem: {
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used: memStats.used,
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active: memStats.active,
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},
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net: {
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rx: Math.max(0, netStats.rx_sec),
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tx: Math.max(0, netStats.tx_sec),
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},
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fs: {
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r: Math.max(0, fsStats.rIO_sec),
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w: Math.max(0, fsStats.wIO_sec),
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}
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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 STAT
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async function mem() {
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const data = await si.mem();
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return data;
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}
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// NETWORK STAT
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async function net() {
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const iface = await si.networkInterfaceDefault();
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const data = await si.networkStats(iface);
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return data[0];
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}
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// FS STAT
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async function fs() {
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const data = await si.disksIO().catch(() => ({ rIO_sec: 0, wIO_sec: 0 }));
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return data;
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}
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