egirlskey/src/daemons/server-stats.ts
2018-07-27 18:42:58 +09:00

76 lines
1.4 KiB
TypeScript

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