add new reconnection logic.

This commit is contained in:
Miroslav Šedivý 2021-06-19 19:36:59 +02:00
parent 071f97fb1b
commit 3d1b92ae1c
2 changed files with 85 additions and 27 deletions

View File

@ -1,5 +1,6 @@
import Vue from 'vue'
import EventEmitter from 'eventemitter3'
import { Logger } from '../utils/logger'
import * as EVENT from '../types/events'
import { NekoWebSocket } from './websocket'
@ -14,6 +15,8 @@ export class NekoConnection extends EventEmitter<NekoConnectionEvents> {
private _url: string
private _token: string
private _state: Connection
private _log: Logger
private _shouldReconnect = false
public websocket = new NekoWebSocket()
public webrtc = new NekoWebRTC()
@ -23,52 +26,48 @@ export class NekoConnection extends EventEmitter<NekoConnectionEvents> {
this._url = ''
this._token = ''
this._log = new Logger('connection')
this._state = state
// initial state
Vue.set(this._state, 'type', 'webrtc')
let webSocketStatus = 'disconnected'
let webRTCStatus = 'disconnected'
// websocket
this.websocket.on('connecting', () => {
webSocketStatus = 'connecting'
if (this._state.status !== 'connecting') {
Vue.set(this._state, 'status', 'connecting')
}
})
this.websocket.on('connected', () => {
webSocketStatus = 'connected'
if (webSocketStatus == 'connected' && webRTCStatus == 'connected') {
if (this.websocket.connected && this.webrtc.connected) {
Vue.set(this._state, 'status', 'connected')
}
})
this.websocket.on('disconnected', () => {
webSocketStatus = 'disconnected'
if (this._state.status !== 'disconnected') {
Vue.set(this._state, 'status', 'disconnected')
}
this._websocketReconnect()
})
// webrtc
this.webrtc.on('connecting', () => {
webRTCStatus = 'connecting'
if (this._state.status !== 'connecting') {
Vue.set(this._state, 'status', 'connecting')
}
})
this.webrtc.on('connected', () => {
webRTCStatus = 'connected'
if (webSocketStatus == 'connected' && webRTCStatus == 'connected') {
if (this.websocket.connected && this.webrtc.connected) {
Vue.set(this._state, 'status', 'connected')
}
})
this.webrtc.on('disconnected', () => {
webRTCStatus = 'disconnected'
if (this._state.status !== 'disconnected') {
Vue.set(this._state, 'status', 'disconnected')
}
this._webrtcReconnect()
})
let webrtcCongestion: number = 0
@ -123,22 +122,87 @@ export class NekoConnection extends EventEmitter<NekoConnectionEvents> {
this.websocket.send(EVENT.SIGNAL_VIDEO, { video: video })
}
public async connect(): Promise<void> {
public async connect(video?: string): Promise<void> {
this._shouldReconnect = true
await this._websocketConnect()
if (video && !this._state.webrtc.videos.includes(video)) {
throw new Error('video id not found')
}
this._webrtcConnect(video)
}
public disconnect() {
this._shouldReconnect = false
this.webrtc.disconnect()
this.websocket.disconnect()
Vue.set(this._state, 'status', 'disconnected')
this.emit('disconnect')
}
async _websocketConnect() {
let url = this._url
if (this._token) {
url += '?token=' + encodeURIComponent(this._token)
}
await this.websocket.connect(url)
// TODO: connect to WebRTC
//this.websocket.send(EVENT.SIGNAL_REQUEST, { video: video })
}
public disconnect() {
this.webrtc.disconnect()
this.websocket.disconnect()
Vue.set(this._state, 'status', 'disconnected')
this.emit('disconnect')
_websocketIsReconnecting = false
_websocketReconnect() {
if (this._websocketIsReconnecting) {
return
}
setTimeout(async () => {
while (this._shouldReconnect) {
try {
await this._websocketConnect()
this._webrtcReconnect()
break
} catch (e) {
this._log.debug(`websocket reconnection`, e)
}
}
this._websocketIsReconnecting = false
}, 0)
}
_webrtcConnect(video?: string) {
if (video && !this._state.webrtc.videos.includes(video)) {
throw new Error('video id not found')
}
this.websocket.send(EVENT.SIGNAL_REQUEST, { video: video })
}
_webrtcReconnTimer?: number
_webrtcReconnect() {
if (this._webrtcReconnTimer) {
return
}
const lastVideo = this._state.webrtc.video ?? undefined
const reconnFunc = async () => {
if (!this._shouldReconnect || !this.websocket.connected || this.webrtc.connected) {
clearInterval(this._webrtcReconnTimer)
this._webrtcReconnTimer = undefined
return
}
try {
this._webrtcConnect(lastVideo)
} catch (e) {}
}
this._webrtcReconnTimer = window.setInterval(reconnFunc, 1000)
reconnFunc()
}
}

View File

@ -256,13 +256,7 @@
throw new Error('client is already connected')
}
await this.connection.connect()
if (video && !this.state.connection.webrtc.videos.includes(video)) {
throw new Error('video id not found')
}
this.connection.websocket.send(EVENT.SIGNAL_REQUEST, { video: video })
await this.connection.connect(video)
}
public disconnect() {