214 lines
6.5 KiB
JavaScript
214 lines
6.5 KiB
JavaScript
import os from 'os';
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import si from 'systeminformation'
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import lodash from 'lodash'
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const sleep = ms => new Promise(resolve => setTimeout(resolve, ms));
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class OSUtils {
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constructor() {
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this.cpuUsageMSDefault = 1000; // CPU 利用率默认时间段
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}
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/**
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* 获取某时间段 CPU 利用率
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* @param { Number } Options.ms [时间段，默认是 1000ms，即 1 秒钟]
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* @returns { Promise }
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*/
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async getCPUUsage(options) {
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const that = this;
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let cpuUsageMS = options * 1000;
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cpuUsageMS = cpuUsageMS || that.cpuUsageMSDefault;
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const t1 = that._getCPUInfo(); // t1 时间点 CPU 信息
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si.networkStats()
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await sleep(cpuUsageMS);
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const t2 = that._getCPUInfo(); // t2 时间点 CPU 信息
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const idle = t2.idle - t1.idle;
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const total = t2.total - t1.total;
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let usage = 1 - idle / total;
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return usage.toFixed(2)
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}
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// * 获取 CPU 瞬时时间信息
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// * @returns { Object } CPU 信息
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// * user <number> CPU 在用户模式下花费的毫秒数。
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// * nice <number> CPU 在良好模式下花费的毫秒数。
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// * sys <number> CPU 在系统模式下花费的毫秒数。
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// * idle <number> CPU 在空闲模式下花费的毫秒数。
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// * irq <number> CPU 在中断请求模式下花费的毫秒数。
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_getCPUInfo() {
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const cpus = os.cpus();
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let user = 0, nice = 0, sys = 0, idle = 0, irq = 0, total = 0;
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for (let cpu in cpus) {
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const times = cpus[cpu].times;
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user += times.user;
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nice += times.nice;
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sys += times.sys;
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idle += times.idle;
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irq += times.irq;
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}
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total += user + nice + sys + idle + irq;
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return {
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user,
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sys,
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idle,
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total,
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}
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}
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//获取最大Mhz
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getmaxspeed() {
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let res = os.cpus()
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try {
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let max = res[0].speed
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for (let i of res) {
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if (i.speed > max) {
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i.speed > max
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}
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}
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return `最大${max}MHz`
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} catch {
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return `无法获取MHz`
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}
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}
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/**字节转换 */
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getfilesize(size, isbtye = true) {//把字节转换成正常文件大小
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if (!size) return "";
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var num = 1024.00; //byte
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if (isbtye) {
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if (size < num)
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return size.toFixed(2) + "B";
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}
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if (size < Math.pow(num, 2))
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return (size / num).toFixed(2) + "Kb"; //kb
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if (size < Math.pow(num, 3))
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return (size / Math.pow(num, 2)).toFixed(2) + "Mb"; //M
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if (size < Math.pow(num, 4))
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return (size / Math.pow(num, 3)).toFixed(2) + "G"; //G
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return (size / Math.pow(num, 4)).toFixed(2) + "T"; //T
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}
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/**获取nodejs内存情况 */
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getmemory() {
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let memory = process.memoryUsage()
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let rss = this.getfilesize(memory.rss);
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let heapTotal = this.getfilesize(memory.heapTotal);
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let heapUsed = this.getfilesize(memory.heapUsed);
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let occupy = (memory.rss / (os.totalmem() - os.freemem())).toFixed(2)
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return { rss, heapTotal, heapUsed, occupy }
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}
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/**
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* @description: 圆形进度条渲染
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* @param {Number} res 百分比小数
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* @return {*} css样式
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*/
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Circle(res) {
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let num = (res * 360).toFixed(0)
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let color = '#90ee90'
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if (res >= 0.9) {
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color = '#d73403'
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} else if (res >= 0.8) {
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color = '#ffa500'
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}
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let leftCircle = `style=transform:rotate(-180deg);background:${color};`;
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let rightCircle = `style=background:${color};`
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if (num > 180) {
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leftCircle = `style=transform:rotate(${num}deg);background:${color};`
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} else {
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rightCircle = `style=transform:rotate(-${180 - num}deg);background:${color};`;
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}
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return [leftCircle, rightCircle]
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}
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/**获取GPU */
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async getGPU() {
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try {
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let graphics = (await si.graphics()).controllers.find(item => item.memoryUsed && item.memoryFree && item.utilizationGpu)
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let { vendor, temperatureGpu, utilizationGpu, memoryTotal, memoryUsed, powerDraw } = graphics
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let GPUstyle = this.Circle(utilizationGpu / 100)
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temperatureGpu = temperatureGpu ? temperatureGpu + '℃' : ''
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powerDraw = powerDraw ? powerDraw + "W" : ""
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return `<li class="li">
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<div class="cpu">
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<div class="left">
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<div class="left-circle" ${GPUstyle[0]}>
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</div>
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</div>
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<div class="right">
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<div class="right-circle" ${GPUstyle[1]}>
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</div>
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</div>
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<div class="inner">
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${utilizationGpu}%
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</div>
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</div>
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<article>
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<p>GPU</p>
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<p>${vendor} ${temperatureGpu} ${powerDraw}</p>
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<p>总共 ${(memoryTotal / 1024).toFixed(2)}G</p>
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<p>已用 ${(memoryUsed / 1024).toFixed(2)}G</p>
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</article>
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</li>`
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} catch (e) {
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console.log(e);
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return ''
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}
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}
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/**
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* @description: 获取硬盘
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* @return {*}
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*/
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async getfsSize(osinfo) {
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let HardDisk = ''
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let fsSize = lodash.uniqWith(await si.fsSize(), (a, b) => a.used === b.used && a.size === b.size && a.use === b.use && a.available === b.available)
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for (let i of fsSize) {
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if (!i.size || !i.used || !i.available || !i.use) continue;
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if (/docker/.test(i.mount)) continue;
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if (osinfo.arch.includes("arm") && i.mount != '/' && !/darwin/i.test(osinfo.platform)) continue;
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let color = '#90ee90'
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if (i.use >= 90) {
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color = '#d73403'
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} else if (i.use >= 70) {
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color = '#ffa500'
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}
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HardDisk +=
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`<li class='HardDisk_li'>
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<div class='word mount'>${i.mount}</div>
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<div class='progress'>
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<div class='word'>${this.getfilesize(i.used)} / ${this.getfilesize(i.size)}</div>
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<div class='current' style=width:${Math.ceil(i.use)}%;background:${color}></div>
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</div>
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<div class='percentage'>${Math.ceil(i.use)}%</div>
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</li>`
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}
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if (HardDisk) HardDisk = `<div class="box memory"><ul>${HardDisk}</ul></div>`
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return HardDisk
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}
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/**
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* @description: 获取网速
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* @return {*}
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*/
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async getnetwork() {
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let network = (await si.networkStats())[0]
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network.rx_sec = this.getfilesize(network.rx_sec, false)
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network.tx_sec = this.getfilesize(network.tx_sec, false)
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let networkhtml = '';
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if (network.rx_sec && network.tx_sec) {
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networkhtml =
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`<div class="speed">
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<p>${network.iface}</p>
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<p>↑${network.tx_sec}/s ↓${network.rx_sec}/s</p>
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</div>`
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}
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return networkhtml
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}
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}
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export default new OSUtils(); |