Files
FrozenFriendsYume/packages/backend/built/daemons/server-stats.js
T
2026-07-26 18:25:37 +09:00

77 lines
2.1 KiB
JavaScript

import si from "systeminformation";
import Xev from "xev";
import * as osUtils from "os-utils";
import { fetchMeta } from "../misc/fetch-meta.js";
const ev = new Xev();
const interval = 2000;
const roundCpu = (num)=>Math.round(num * 1000) / 1000;
const round = (num)=>Math.round(num * 10) / 10;
/**
* Report server stats regularly
*/ export default function() {
const log = [];
ev.on("requestServerStatsLog", (x)=>{
ev.emit(`serverStatsLog:${x.id}`, log.slice(0, x.length || 50));
});
fetchMeta().then((meta)=>{
if (!meta.enableServerMachineStats) return;
});
async function tick() {
const cpu = await cpuUsage();
const memStats = await mem();
const netStats = await net();
const fsStats = await fs();
const stats = {
cpu: roundCpu(cpu),
mem: {
used: round(memStats.used - memStats.buffers - memStats.cached),
active: round(memStats.active),
total: round(memStats.total)
},
net: {
rx: round(Math.max(0, netStats.rx_sec)),
tx: round(Math.max(0, netStats.tx_sec))
},
fs: {
r: round(Math.max(0, fsStats.rIO_sec ?? 0)),
w: round(Math.max(0, fsStats.wIO_sec ?? 0))
}
};
ev.emit("serverStats", stats);
log.unshift(stats);
if (log.length > 200) log.pop();
}
tick();
setInterval(tick, interval);
}
// CPU STAT
function cpuUsage() {
return new Promise((res, rej)=>{
osUtils.cpuUsage((cpuUsage)=>{
res(cpuUsage);
});
});
}
// MEMORY STAT
async function mem() {
const data = await si.mem();
return data;
}
// NETWORK STAT
async function net() {
const iface = await si.networkInterfaceDefault();
const data = await si.networkStats(iface);
return data[0];
}
// FS STAT
async function fs() {
const data = await si.disksIO().catch(()=>({
rIO_sec: 0,
wIO_sec: 0
}));
return data || {
rIO_sec: 0,
wIO_sec: 0
};
}