implemented module loader for yjs
This commit is contained in:
Kevin Jahns
@@ -1,136 +1,138 @@
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/* global getRandom, Y, wait, async */
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/* global getRandom, wait, async */
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'use strict'
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var globalRoom = {
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users: {},
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buffers: {},
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removeUser: function (user) {
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for (var i in this.users) {
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this.users[i].userLeft(user)
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}
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delete this.users[user]
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delete this.buffers[user]
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},
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addUser: function (connector) {
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this.users[connector.userId] = connector
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this.buffers[connector.userId] = []
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for (var uname in this.users) {
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if (uname !== connector.userId) {
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var u = this.users[uname]
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u.userJoined(connector.userId, 'master')
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connector.userJoined(u.userId, 'master')
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module.exports = function (Y) {
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var globalRoom = {
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users: {},
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buffers: {},
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removeUser: function (user) {
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for (var i in this.users) {
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this.users[i].userLeft(user)
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}
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}
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}
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}
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Y.utils.globalRoom = globalRoom
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function flushOne () {
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var bufs = []
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for (var i in globalRoom.buffers) {
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if (globalRoom.buffers[i].length > 0) {
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bufs.push(i)
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}
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}
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if (bufs.length > 0) {
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var userId = getRandom(bufs)
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var m = globalRoom.buffers[userId].shift()
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var user = globalRoom.users[userId]
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user.receiveMessage(m[0], m[1])
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return true
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} else {
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return false
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}
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}
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// setInterval(flushOne, 10)
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var userIdCounter = 0
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class Test extends Y.AbstractConnector {
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constructor (y, options) {
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if (options === undefined) {
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throw new Error('Options must not be undefined!')
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}
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options.role = 'master'
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options.forwardToSyncingClients = false
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super(y, options)
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this.setUserId((userIdCounter++) + '').then(() => {
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globalRoom.addUser(this)
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})
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this.globalRoom = globalRoom
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this.syncingClientDuration = 0
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}
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receiveMessage (sender, m) {
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super.receiveMessage(sender, JSON.parse(JSON.stringify(m)))
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}
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send (userId, message) {
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var buffer = globalRoom.buffers[userId]
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if (buffer != null) {
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buffer.push(JSON.parse(JSON.stringify([this.userId, message])))
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}
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}
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broadcast (message) {
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for (var key in globalRoom.buffers) {
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globalRoom.buffers[key].push(JSON.parse(JSON.stringify([this.userId, message])))
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}
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}
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isDisconnected () {
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return globalRoom.users[this.userId] == null
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}
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reconnect () {
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if (this.isDisconnected()) {
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globalRoom.addUser(this)
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super.reconnect()
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}
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return this.flushAll()
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}
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disconnect () {
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if (!this.isDisconnected()) {
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globalRoom.removeUser(this.userId)
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super.disconnect()
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}
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return wait()
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}
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flush () {
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var self = this
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return async(function * () {
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yield wait()
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while (globalRoom.buffers[self.userId].length > 0) {
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var m = globalRoom.buffers[self.userId].shift()
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this.receiveMessage(m[0], m[1])
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yield wait()
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}
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})
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}
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flushAll () {
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return new Promise(function (resolve) {
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// flushes may result in more created operations,
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// flush until there is nothing more to flush
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function nextFlush () {
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var c = flushOne()
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if (c) {
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while (flushOne()) {
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// nop
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}
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wait().then(nextFlush)
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} else {
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wait().then(function () {
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resolve()
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})
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delete this.users[user]
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delete this.buffers[user]
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},
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addUser: function (connector) {
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this.users[connector.userId] = connector
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this.buffers[connector.userId] = []
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for (var uname in this.users) {
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if (uname !== connector.userId) {
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var u = this.users[uname]
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u.userJoined(connector.userId, 'master')
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connector.userJoined(u.userId, 'master')
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}
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}
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// in the case that there are
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// still actions that want to be performed
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wait().then(nextFlush)
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})
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}
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}
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/*
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Flushes an operation for some user..
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*/
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flushOne () {
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flushOne()
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}
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}
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Y.utils.globalRoom = globalRoom
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Y.Test = Test
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function flushOne () {
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var bufs = []
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for (var i in globalRoom.buffers) {
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if (globalRoom.buffers[i].length > 0) {
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bufs.push(i)
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}
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}
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if (bufs.length > 0) {
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var userId = getRandom(bufs)
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var m = globalRoom.buffers[userId].shift()
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var user = globalRoom.users[userId]
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user.receiveMessage(m[0], m[1])
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return true
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} else {
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return false
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}
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}
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// setInterval(flushOne, 10)
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var userIdCounter = 0
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class Test extends Y.AbstractConnector {
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constructor (y, options) {
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if (options === undefined) {
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throw new Error('Options must not be undefined!')
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}
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options.role = 'master'
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options.forwardToSyncingClients = false
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super(y, options)
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this.setUserId((userIdCounter++) + '').then(() => {
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globalRoom.addUser(this)
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})
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this.globalRoom = globalRoom
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this.syncingClientDuration = 0
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}
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receiveMessage (sender, m) {
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super.receiveMessage(sender, JSON.parse(JSON.stringify(m)))
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}
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send (userId, message) {
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var buffer = globalRoom.buffers[userId]
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if (buffer != null) {
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buffer.push(JSON.parse(JSON.stringify([this.userId, message])))
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}
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}
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broadcast (message) {
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for (var key in globalRoom.buffers) {
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globalRoom.buffers[key].push(JSON.parse(JSON.stringify([this.userId, message])))
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}
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}
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isDisconnected () {
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return globalRoom.users[this.userId] == null
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}
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reconnect () {
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if (this.isDisconnected()) {
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globalRoom.addUser(this)
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super.reconnect()
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}
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return this.flushAll()
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}
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disconnect () {
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if (!this.isDisconnected()) {
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globalRoom.removeUser(this.userId)
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super.disconnect()
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}
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return wait()
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}
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flush () {
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var self = this
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return async(function * () {
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yield wait()
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while (globalRoom.buffers[self.userId].length > 0) {
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var m = globalRoom.buffers[self.userId].shift()
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this.receiveMessage(m[0], m[1])
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yield wait()
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}
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})
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}
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flushAll () {
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return new Promise(function (resolve) {
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// flushes may result in more created operations,
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// flush until there is nothing more to flush
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function nextFlush () {
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var c = flushOne()
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if (c) {
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while (flushOne()) {
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// nop
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}
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wait().then(nextFlush)
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} else {
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wait().then(function () {
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resolve()
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})
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}
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}
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// in the case that there are
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// still actions that want to be performed
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wait().then(nextFlush)
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})
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}
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/*
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Flushes an operation for some user..
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*/
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flushOne () {
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flushOne()
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}
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}
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Y.Test = Test
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}
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