146 lines
3.1 KiB
JavaScript
146 lines
3.1 KiB
JavaScript
const Koa = require('koa')
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const fs = require('fs')
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const path = require('path')
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const localEvent = require('./localEvent')
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const WebSocket = require('ws')
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const exec = require('child_process').exec
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const Printer = require('./PrinterDev')
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// koa middleware
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const KoaLogger = require('koa-morgan')
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const KoaEjs = require('koa-ejs')
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const KoaMount = require('koa-mount')
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const KoaStatic = require('koa-static')
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const KoaRouter = require('koa-router')
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const app = new Koa()
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let config = {}
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let setupMode = false
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try {
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let chk = new Promise((resolve, reject) => {
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fs.access(path.resolve('config.json'), (err) => {
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if (err) {
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setupMode = true
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resolve(0)
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return
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}
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config = require('./config.json')
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resolve(1)
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})
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})
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await chk //eslint-disable-line
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} catch (err) {
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setupMode = true
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}
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const server = app.listen(config.port || 10230, () => {
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console.log(`Server start on port ${server.address().port}`)
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})
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const ws = new WebSocket.Server({ server })
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app.use(KoaLogger('short'))
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app.use(KoaStatic(path.resolve(__dirname, 'public')))
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KoaEjs(app, {
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root: path.resolve(__dirname, 'views'),
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layout: false,
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viewExt: 'ejs',
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cache: false,
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debug: false
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})
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let router = null
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if (setupMode) {
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console.log(`start setup mode`)
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router = require('./route/install')
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} else {
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console.log(`start normal mode`)
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router = require('./route/dashboard')
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}
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if (router !== null) {
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// set Route
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app.use(router.routes())
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app.use(router.allowedMethods())
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router.put('/reboot_sys', async (c, n) => {
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setTimeout(function () {
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process.exit(1)
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}, 2000)
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c.body = '1'
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})
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}
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// listen print event
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localEvent.on('print', str => {
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})
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ws.on('connection', async (client, req) => {
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console.log(`client conneected`)
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let json = {
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ble: {
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enable: false,
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mac: '',
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service: '',
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characteristic: ''
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},
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printer: {
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connect: false,
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serial: '',
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feed: 0
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},
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pcount: 0,
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lastprint: ''
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}
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// 第一次連上線推送系統狀態
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json.ble.enable = config.ble.enable
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if (config.ble.enable) {
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json.ble.mac = await getBTAddr()
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json.ble.service = config.ble.uuid.service
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json.ble.characteristic = config.ble.uuid.characteristic
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}
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json.printer.connect = Printer.isOpen
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json.printer.serial = Printer.serial
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json.printer.feed = Printer.feed
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json.pcount = Printer.count
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json.lastprint = Printer.lastPrint
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client.send(JSON.stringify({ type: 'status', data: json }))
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client.on('message', msg => {
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let m = {}
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try {
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m = JSON.parse(msg)
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} catch (err) {
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return
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}
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switch(m.type){
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case 'status':
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client.send(JSON.stringify({ type: 'status', data: json }))
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break
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}
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console.log(`get msg >> ${msg}`)
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})
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})
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async function getBTAddr() {
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let address = await new Promise((resolve, reject) => {
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exec('bt-adapter -i | grep -i address', (err, sout, serr) => {
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if (err) return resolve('')
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resolve(sout)
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})
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})
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address = address.trim()
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let arr = address.split(':')
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if (arr.length !== 2) return ''
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return arr[1].trim()
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} |