connection make websocket async.

This commit is contained in:
Miroslav Šedivý 2021-06-20 23:56:34 +02:00
parent b9b311c6de
commit d77a795438

View File

@ -7,16 +7,19 @@ import { NekoWebSocket } from './websocket'
import { NekoWebRTC, WebRTCStats } from './webrtc'
import { Connection } from '../types/state'
const websocketTimer = 1000
const webrtcTimer = 10000
export interface NekoConnectionEvents {
disconnect: (error?: Error) => void
}
export class NekoConnection extends EventEmitter<NekoConnectionEvents> {
private _shouldReconnect = false
private _url: string
private _token: string
private _state: Connection
private _log: Logger
private _shouldReconnect = false
public websocket = new NekoWebSocket()
public webrtc = new NekoWebRTC()
@ -113,15 +116,20 @@ export class NekoConnection extends EventEmitter<NekoConnectionEvents> {
}
public async connect(video?: string): Promise<void> {
await this._websocketConnect()
try {
await this._websocketConnect()
if (video && !this._state.webrtc.videos.includes(video)) {
throw new Error('video id not found')
if (video && !this._state.webrtc.videos.includes(video)) {
throw new Error('video id not found')
}
await this._webrtcConnect(video)
this._shouldReconnect = true
} catch (e) {
this.disconnect()
throw e
}
this._webrtcConnect(video)
this._shouldReconnect = true
}
public disconnect() {
@ -135,12 +143,29 @@ export class NekoConnection extends EventEmitter<NekoConnectionEvents> {
}
async _websocketConnect() {
Vue.set(this._state, 'status', 'connecting')
let url = this._url
if (this._token) {
url += '?token=' + encodeURIComponent(this._token)
}
await this.websocket.connect(url)
this.websocket.connect(url)
await new Promise<void>((res, rej) => {
const timeout = window.setTimeout(() => {
this.websocket.disconnect()
rej(new Error('timeouted'))
}, websocketTimer)
this.websocket.once('connected', () => {
window.clearTimeout(timeout)
res()
})
this.websocket.once('disconnected', (reason) => {
window.clearTimeout(timeout)
rej(reason)
})
})
}
_websocketIsReconnecting = false
@ -168,17 +193,33 @@ export class NekoConnection extends EventEmitter<NekoConnectionEvents> {
}, 0)
}
_webrtcConnect(video?: string) {
async _webrtcConnect(video?: string) {
if (video && !this._state.webrtc.videos.includes(video)) {
throw new Error('video id not found')
}
Vue.set(this._state, 'status', 'connecting')
this.websocket.send(EVENT.SIGNAL_REQUEST, { video: video })
await new Promise<void>((res, rej) => {
const timeout = window.setTimeout(() => {
this.webrtc.disconnect()
rej(new Error('timeouted'))
}, webrtcTimer)
this.webrtc.once('connected', () => {
window.clearTimeout(timeout)
res()
})
this.webrtc.once('disconnected', (reason) => {
window.clearTimeout(timeout)
rej(reason)
})
})
}
_webrtcReconnTimer?: number
_webrtcIsReconnecting = false
_webrtcReconnect() {
if (this._webrtcReconnTimer) {
if (this._webrtcIsReconnecting) {
this._log.debug(`webrtc reconnection already in progress`)
return
}
@ -186,22 +227,18 @@ export class NekoConnection extends EventEmitter<NekoConnectionEvents> {
const lastVideo = this._state.webrtc.video ?? undefined
this._log.debug(`starting webrtc reconnection`)
const reconnFunc = async () => {
if (!this._shouldReconnect || !this.websocket.connected || this.webrtc.connected) {
clearInterval(this._webrtcReconnTimer)
this._webrtcReconnTimer = undefined
this._log.debug(`webrtc reconnection finished`)
return
setTimeout(async () => {
while (this._shouldReconnect && this.websocket.connected) {
try {
await this._webrtcConnect(lastVideo)
break
} catch (e) {
this._log.debug(`webrtc reconnection failed`, e)
}
}
try {
this._webrtcConnect(lastVideo)
} catch (e) {
this._log.debug(`webrtc reconnection failed`, e)
}
}
this._webrtcReconnTimer = window.setInterval(reconnFunc, 1000)
reconnFunc()
this._webrtcIsReconnecting = false
this._log.debug(`webrtc reconnection finished`)
}, 0)
}
}