77 lines
2.1 KiB
JavaScript
77 lines
2.1 KiB
JavaScript
import 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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import { fetchMeta } from "../misc/fetch-meta.js";
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const ev = new Xev();
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const interval = 2000;
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const roundCpu = (num)=>Math.round(num * 1000) / 1000;
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const round = (num)=>Math.round(num * 10) / 10;
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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 = [];
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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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fetchMeta().then((meta)=>{
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if (!meta.enableServerMachineStats) return;
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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: roundCpu(cpu),
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mem: {
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used: round(memStats.used - memStats.buffers - memStats.cached),
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active: round(memStats.active),
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total: round(memStats.total)
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},
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net: {
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rx: round(Math.max(0, netStats.rx_sec)),
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tx: round(Math.max(0, netStats.tx_sec))
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},
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fs: {
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r: round(Math.max(0, fsStats.rIO_sec ?? 0)),
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w: round(Math.max(0, fsStats.wIO_sec ?? 0))
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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)=>{
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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(()=>({
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rIO_sec: 0,
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wIO_sec: 0
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}));
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return data || {
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rIO_sec: 0,
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wIO_sec: 0
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};
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}
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