-import * as SocketIO from 'socket.io'
-import { authenticateSocket } from '../middlewares'
-import { UserNotificationModel } from '../models/account/user-notification'
+import { Server as HTTPServer } from 'http'
+import { Namespace, Server as SocketServer, Socket } from 'socket.io'
+import { isIdValid } from '@server/helpers/custom-validators/misc'
+import { MVideo, MVideoImmutable } from '@server/types/models'
+import { UserNotificationModelForApi } from '@server/types/models/user'
+import { LiveVideoEventPayload, LiveVideoEventType } from '@shared/models'
import { logger } from '../helpers/logger'
-import { Server } from 'http'
+import { authenticateSocket } from '../middlewares'
class PeerTubeSocket {
private static instance: PeerTubeSocket
- private userNotificationSockets: { [ userId: number ]: SocketIO.Socket } = {}
+ private userNotificationSockets: { [ userId: number ]: Socket[] } = {}
+ private liveVideosNamespace: Namespace
private constructor () {}
- init (server: Server) {
- const io = SocketIO(server)
+ init (server: HTTPServer) {
+ const io = new SocketServer(server)
io.of('/user-notifications')
.use(authenticateSocket)
.on('connection', socket => {
- const userId = socket.handshake.query.user.id
+ const userId = socket.handshake.auth.user.id
logger.debug('User %d connected on the notification system.', userId)
- this.userNotificationSockets[userId] = socket
+ if (!this.userNotificationSockets[userId]) this.userNotificationSockets[userId] = []
+
+ this.userNotificationSockets[userId].push(socket)
socket.on('disconnect', () => {
logger.debug('User %d disconnected from SocketIO notifications.', userId)
- delete this.userNotificationSockets[userId]
+ this.userNotificationSockets[userId] = this.userNotificationSockets[userId].filter(s => s !== socket)
})
})
+
+ this.liveVideosNamespace = io.of('/live-videos')
+ .on('connection', socket => {
+ socket.on('subscribe', ({ videoId }) => {
+ if (!isIdValid(videoId)) return
+
+ /* eslint-disable @typescript-eslint/no-floating-promises */
+ socket.join(videoId)
+ })
+
+ socket.on('unsubscribe', ({ videoId }) => {
+ if (!isIdValid(videoId)) return
+
+ /* eslint-disable @typescript-eslint/no-floating-promises */
+ socket.leave(videoId)
+ })
+ })
+ }
+
+ sendNotification (userId: number, notification: UserNotificationModelForApi) {
+ const sockets = this.userNotificationSockets[userId]
+ if (!sockets) return
+
+ logger.debug('Sending user notification to user %d.', userId)
+
+ const notificationMessage = notification.toFormattedJSON()
+ for (const socket of sockets) {
+ socket.emit('new-notification', notificationMessage)
+ }
+ }
+
+ sendVideoLiveNewState (video: MVideo) {
+ const data: LiveVideoEventPayload = { state: video.state }
+ const type: LiveVideoEventType = 'state-change'
+
+ logger.debug('Sending video live new state notification of %s.', video.url, { state: video.state })
+
+ this.liveVideosNamespace
+ .in(video.id)
+ .emit(type, data)
}
- sendNotification (userId: number, notification: UserNotificationModel) {
- const socket = this.userNotificationSockets[userId]
+ sendVideoViewsUpdate (video: MVideoImmutable, numViewers: number) {
+ const data: LiveVideoEventPayload = { viewers: numViewers, views: numViewers }
+ const type: LiveVideoEventType = 'views-change'
- if (!socket) return
+ logger.debug('Sending video live views update notification of %s.', video.url, { viewers: numViewers })
- socket.emit('new-notification', notification.toFormattedJSON())
+ this.liveVideosNamespace
+ .in(video.id)
+ .emit(type, data)
}
static get Instance () {