ATC_SIMPLE/BACKEND/providers/socket_io_provider.ts

321 lines
10 KiB
TypeScript

import fs from 'node:fs'
import { Server as SocketIOServer } from 'socket.io'
import http from 'node:http'
import LineConnection from '../app/services/line_connection.js'
import { ApplicationService } from '@adonisjs/core/types'
import env from '#start/env'
import { CustomServer, CustomSocket } from '../app/ultils/types.js'
import Line from '#models/line'
import Station from '#models/station'
export default class SocketIoProvider {
private static _io: CustomServer
constructor(protected app: ApplicationService) {}
/**
* Register bindings to the container
*/
register() {}
/**
* The container bindings have booted
*/
async boot() {}
/**
* The application has been booted
*/
async start() {}
/**
* The process has been started
*/
async ready() {
if (process.argv[1].includes('server.js')) {
const webSocket = new WebSocketIo(this.app)
SocketIoProvider._io = await webSocket.boot()
}
}
/**
* Preparing to shutdown the app
*/
async shutdown() {}
public static get io() {
return this._io
}
}
export class WebSocketIo {
intervalMap: { [key: string]: NodeJS.Timeout } = {}
stationMap: Map<number, Station> = new Map()
lineMap: Map<number, LineConnection> = new Map() // key = lineId
lineConnecting: number[] = [] // key = lineId
userConnecting: Map<number, { userId: number; userName: string }> = new Map()
constructor(protected app: ApplicationService) {}
async boot() {
const SOCKET_IO_PORT = env.get('SOCKET_PORT') || 8989
const FRONTEND_URL = env.get('FRONTEND_URL') || 'http://localhost:5173'
const socketServer = http.createServer()
const io = new SocketIOServer(socketServer, {
pingInterval: 25000, // 25s server gửi ping
pingTimeout: 20000, // chờ 20s không có pong thì disconnect
cors: {
origin: [FRONTEND_URL],
methods: ['GET', 'POST'],
credentials: true,
},
})
io.on('connection', (socket: CustomSocket) => {
const { userId, userName } = socket.handshake.auth
console.log('Socket connected:', socket.id)
socket.connectionTime = new Date()
this.userConnecting.set(userId, { userId, userName })
setTimeout(() => {
const listUser = Array.from(this.userConnecting.values())
if (!listUser.find((el) => el.userId === userId)) {
listUser.push({ userId, userName })
}
io.emit('user_connecting', listUser)
}, 500)
setTimeout(() => {
io.to(socket.id).emit(
'init',
Array.from(this.lineMap.values()).map((el) => el.config)
)
}, 500)
socket.on('disconnect', () => {
console.log(`FE disconnected: ${socket.id}`)
this.userConnecting.delete(userId)
setTimeout(() => {
io.emit('user_connecting', Array.from(this.userConnecting.values()))
}, 200)
})
// FE gửi yêu cầu connect lines
socket.on('connect_lines', async (data) => {
const { stationData, linesData } = data
await this.connectLine(io, linesData, stationData)
})
socket.on('write_command_line_from_web', async (data) => {
const { lineIds, stationId, command } = data
for (const lineId of lineIds) {
const line = this.lineMap.get(lineId)
if (line && line.config.status === 'connected') {
this.lineConnecting = this.lineConnecting.filter((el) => el !== lineId)
this.setTimeoutConnect(lineId, line)
line.writeCommand(command)
} else {
if (this.lineConnecting.includes(lineId)) continue
const linesData = await Line.findBy('id', lineId)
const stationData = await Station.findBy('id', stationId)
if (linesData && stationData) {
this.lineConnecting.push(lineId)
await this.connectLine(io, [linesData], stationData)
const lineReconnect = this.lineMap.get(lineId)
if (lineReconnect) {
this.lineConnecting = this.lineConnecting.filter((el) => el !== lineId)
this.setTimeoutConnect(lineId, lineReconnect)
lineReconnect.writeCommand(command)
}
} else {
io.emit('line_disconnected', {
stationId,
lineId,
status: 'disconnected',
})
io.emit('line_error', { lineId, error: 'Line not connected\r\n' })
}
}
}
})
socket.on('run_scenario', async (data) => {
const lineId = data.id
const scenario = data.scenario
const line = this.lineMap.get(lineId)
if (line && line.config.status === 'connected') {
this.setTimeoutConnect(
lineId,
line,
scenario?.timeout ? Number(scenario?.timeout) + 180000 : 300000
)
line.runScript(scenario)
} else {
const linesData = await Line.findBy('id', lineId)
const stationData = await Station.findBy('id', data.station_id)
if (linesData && stationData) {
await this.connectLine(io, [linesData], stationData)
const lineReconnect = this.lineMap.get(lineId)
if (lineReconnect) {
this.setTimeoutConnect(lineId, lineReconnect, 300000)
lineReconnect.runScript(scenario)
}
} else {
io.emit('line_disconnected', {
stationId: data.stationId,
lineId,
status: 'disconnected',
})
io.emit('line_error', { lineId, error: 'Line not connected\r\n' })
}
}
})
socket.on('open_cli', async (data) => {
const { lineId, userEmail, userName: name, stationId } = data
const line = this.lineMap.get(lineId)
if (line) {
line.userOpenCLI({ userEmail, userName: name })
} else {
if (this.lineConnecting.includes(lineId)) return
const linesData = await Line.findBy('id', lineId)
const stationData = await Station.findBy('id', stationId)
if (linesData && stationData) {
this.lineConnecting.push(lineId)
await this.connectLine(io, [linesData], stationData)
const lineReconnect = this.lineMap.get(lineId)
if (lineReconnect) {
lineReconnect.userOpenCLI({ userEmail, userName: name })
}
}
}
})
socket.on('close_cli', async (data) => {
const { lineId, stationId } = data
const line = this.lineMap.get(lineId)
if (line) {
line.userCloseCLI()
} else {
if (this.lineConnecting.includes(lineId)) return
const linesData = await Line.findBy('id', lineId)
const stationData = await Station.findBy('id', stationId)
if (linesData && stationData) {
this.lineConnecting.push(lineId)
await this.connectLine(io, [linesData], stationData)
const lineReconnect = this.lineMap.get(lineId)
if (lineReconnect) {
lineReconnect.userCloseCLI()
}
}
}
})
socket.on('request_take_over', async (data) => {
io.emit('confirm_take_over', data)
})
socket.on('get_list_logs', async () => {
let getListSystemLogs = fs
.readdirSync('storage/system_logs')
.map((f) => 'storage/system_logs/' + f)
io.to(socket.id).emit('list_logs', getListSystemLogs)
})
socket.on('get_content_log', async (data) => {
try {
const { line, socketId } = data
const filePath = line.systemLogUrl
if (fs.existsSync(filePath)) {
// Get file stats
const stats = fs.statSync(filePath)
const fileSizeInBytes = stats.size
if (fileSizeInBytes / 1024 / 1024 > 0.5) {
// File is larger than 0.5 MB
const fileId = Date.now() // Mã định danh file
const chunkSize = 64 * 1024 // 64KB
const fileBuffer = fs.readFileSync(filePath)
const totalChunks = Math.ceil(fileBuffer.length / chunkSize)
for (let i = 0; i < totalChunks; i++) {
const chunk = fileBuffer.slice(i * chunkSize, (i + 1) * chunkSize)
io.to(socketId).emit('response_content_log', {
type: 'chunk',
chunk: {
fileId,
chunkIndex: i,
totalChunks,
chunk,
},
})
}
} else {
console.log(filePath)
const content = fs.readFileSync(filePath)
socket.emit('response_content_log', content)
}
} else {
io.to(socketId).emit('response_content_log', Buffer.from('File not found', 'utf-8'))
}
} catch (error) {
console.log(error)
}
})
})
socketServer.listen(SOCKET_IO_PORT, () => {
console.log(`Socket server is running on port ${SOCKET_IO_PORT}`)
})
return io
}
private async connectLine(socket: any, lines: Line[], station: Station) {
try {
this.stationMap.set(station.id, station)
for (const line of lines) {
const lineConn = new LineConnection(
{
id: line.id,
port: line.port,
ip: station.ip,
lineNumber: line.lineNumber,
stationId: station.id,
apcName: line.apcName,
output: '',
status: '',
openCLI: false,
userEmailOpenCLI: '',
userOpenCLI: '',
data: [],
},
socket
)
await lineConn.connect()
lineConn.writeCommand('\r\n\r\n')
this.lineMap.set(line.id, lineConn)
this.setTimeoutConnect(line.id, lineConn)
}
} catch (error) {
console.log(error)
}
}
private setTimeoutConnect = (lineId: number, lineConn: LineConnection, timeout = 180000) => {
if (this.intervalMap[`${lineId}`]) {
clearInterval(this.intervalMap[`${lineId}`])
delete this.intervalMap[`${lineId}`]
}
const interval = setInterval(() => {
lineConn.disconnect()
// this.lineMap.delete(lineId)
if (this.intervalMap[`${lineId}`]) {
clearInterval(this.intervalMap[`${lineId}`])
delete this.intervalMap[`${lineId}`]
}
}, timeout)
this.intervalMap[`${lineId}`] = interval
}
}