mirror of https://github.com/Chocobozzz/PeerTube
130 lines
4.1 KiB
TypeScript
130 lines
4.1 KiB
TypeScript
import { Server as HTTPServer } from 'http'
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import { Namespace, Server as SocketServer, Socket } from 'socket.io'
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import { isIdValid } from '@server/helpers/custom-validators/misc'
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import { MVideo, MVideoImmutable } from '@server/types/models'
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import { MRunner } from '@server/types/models/runners'
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import { UserNotificationModelForApi } from '@server/types/models/user'
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import { LiveVideoEventPayload, LiveVideoEventType } from '@shared/models'
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import { logger } from '../helpers/logger'
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import { authenticateRunnerSocket, authenticateSocket } from '../middlewares'
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import { Debounce } from '@server/helpers/debounce'
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class PeerTubeSocket {
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private static instance: PeerTubeSocket
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private userNotificationSockets: { [ userId: number ]: Socket[] } = {}
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private liveVideosNamespace: Namespace
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private readonly runnerSockets = new Set<Socket>()
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private constructor () {}
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init (server: HTTPServer) {
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const io = new SocketServer(server)
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io.of('/user-notifications')
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.use(authenticateSocket)
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.on('connection', socket => {
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const userId = socket.handshake.auth.user.id
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logger.debug('User %d connected to the notification system.', userId)
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if (!this.userNotificationSockets[userId]) this.userNotificationSockets[userId] = []
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this.userNotificationSockets[userId].push(socket)
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socket.on('disconnect', () => {
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logger.debug('User %d disconnected from SocketIO notifications.', userId)
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this.userNotificationSockets[userId] = this.userNotificationSockets[userId].filter(s => s !== socket)
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})
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})
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this.liveVideosNamespace = io.of('/live-videos')
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.on('connection', socket => {
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socket.on('subscribe', ({ videoId }) => {
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if (!isIdValid(videoId)) return
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/* eslint-disable @typescript-eslint/no-floating-promises */
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socket.join(videoId)
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})
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socket.on('unsubscribe', ({ videoId }) => {
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if (!isIdValid(videoId)) return
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/* eslint-disable @typescript-eslint/no-floating-promises */
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socket.leave(videoId)
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})
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})
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io.of('/runners')
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.use(authenticateRunnerSocket)
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.on('connection', socket => {
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const runner: MRunner = socket.handshake.auth.runner
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logger.debug(`New runner "${runner.name}" connected to the notification system.`)
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this.runnerSockets.add(socket)
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socket.on('disconnect', () => {
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logger.debug(`Runner "${runner.name}" disconnected from the notification system.`)
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this.runnerSockets.delete(socket)
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})
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})
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}
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sendNotification (userId: number, notification: UserNotificationModelForApi) {
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const sockets = this.userNotificationSockets[userId]
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if (!sockets) return
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logger.debug('Sending user notification to user %d.', userId)
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const notificationMessage = notification.toFormattedJSON()
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for (const socket of sockets) {
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socket.emit('new-notification', notificationMessage)
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}
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}
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sendVideoLiveNewState (video: MVideo) {
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const data: LiveVideoEventPayload = { state: video.state }
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const type: LiveVideoEventType = 'state-change'
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logger.debug('Sending video live new state notification of %s.', video.url, { state: video.state })
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this.liveVideosNamespace
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.in(video.id)
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.emit(type, data)
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}
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sendVideoViewsUpdate (video: MVideoImmutable, numViewers: number) {
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const data: LiveVideoEventPayload = { viewers: numViewers, views: numViewers }
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const type: LiveVideoEventType = 'views-change'
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logger.debug('Sending video live views update notification of %s.', video.url, { viewers: numViewers })
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this.liveVideosNamespace
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.in(video.id)
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.emit(type, data)
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}
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@Debounce({ timeoutMS: 1000 })
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sendAvailableJobsPingToRunners () {
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logger.debug(`Sending available-jobs notification to ${this.runnerSockets.size} runner sockets`)
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for (const runners of this.runnerSockets) {
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runners.emit('available-jobs')
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}
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}
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static get Instance () {
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return this.instance || (this.instance = new this())
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}
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}
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// ---------------------------------------------------------------------------
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export {
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PeerTubeSocket
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}
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