Differential D2978 Diff 8513 src/resources/js/meet/socket.js

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src/resources/js/meet/socket.js

This file was added.

				'use strict'

				import io from "socket.io-client"
				import Config from './config.js'

				function Socket(url, options)
				{
				let eventHandlers = {}

				const socket = io(url, {
				path: '/meetmedia/signaling/',
				transports: [ 'websocket' ]
				})

				socket.on('connect', () => {
				console.log('WebSocket connect: ' + socket.id)
				})

				socket.on('disconnect', reason => {
				console.log('WebSocket disconnect: ' + reason)

				this.trigger('disconnect', reason)
				})

				socket.on('reconnect_failed', () => {
				console.log('WebSocket re-connect failed')

				this.trigger('reconnectFailed')
				})

				socket.on('reconnect', attempt => {
				console.log(`WebSocket re-connect (${attempt})`)
				})

				socket.on('request', async (request, cb) => {
				console.log('Recv: ' + request.method, request.data)

				this.trigger('request', request, cb)
				})

				socket.on('notification', async notification => {
				console.log('Recv: ' + notification.method, notification.data)

				this.trigger('notification', notification)
				})

				this.close = () => {
				socket.close()
				}

				this.getRtpCapabilities = async () => {
				return await this.sendRequest('getRouterRtpCapabilities')
				}

				/**
				* Register event handlers
				*/
				this.on = (eventName, callback) => {
				eventHandlers[eventName] = callback
				}

				/**
				* Execute an event handler
				*/
				this.trigger = (...args) => {
				const eventName = args.shift()

				if (eventName in eventHandlers) {
				eventHandlers[eventName].apply(null, args)
				}
				}

				this.sendRequest = (method, data) => {
				return new Promise((resolve, reject) => {
				console.log('Send: ' + method, data)

				socket.emit(
				'request',
				{ method, data },
				withTimeout((error, response) => {
				if (error) {
				reject(error)
				} else {
				console.log('Recv: ' + method, response)
				resolve(response)
				}
				})
				)
				})
				}

				const withTimeout = (callback) => {
				let called = false

				const timer = setTimeout(
				() => {
				if (called) return
				called = true
				callback(new Error('Request timed out'))
				},
				Config.requestTimeout
				)

				return (...args) => {
				if (called) return
				called = true
				clearTimeout(timer)
				callback(...args)
				}
				}
				}

				export { Socket }