751 lines
22 KiB
JavaScript
751 lines
22 KiB
JavaScript
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export const Push = function Push(options) {
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this.doNotConnect = 0;
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options = options || {};
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options.heartbeat = options.heartbeat || 25000;
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options.pingTimeout = options.pingTimeout || 10000;
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this.config = options;
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this.uid = 0;
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this.channels = {};
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this.connection = null;
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this.pingTimeoutTimer = 0;
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Push.instances.push(this);
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this.createConnection();
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}
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Push.prototype.checkoutPing = function() {
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var _this = this;
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_this.checkoutPingTimer && clearTimeout(_this.checkoutPingTimer);
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_this.checkoutPingTimer = setTimeout(function () {
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_this.checkoutPingTimer = 0;
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if (_this.connection.state === 'connected') {
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_this.connection.send('{"event":"pusher:ping","data":{}}');
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if (_this.pingTimeoutTimer) {
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clearTimeout(_this.pingTimeoutTimer);
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_this.pingTimeoutTimer = 0;
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}
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_this.pingTimeoutTimer = setTimeout(function () {
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_this.connection.closeAndClean();
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if (!_this.connection.doNotConnect) {
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_this.connection.waitReconnect();
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}
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}, _this.config.pingTimeout);
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}
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}, this.config.heartbeat);
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};
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Push.prototype.channel = function (name) {
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return this.channels.find(name);
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};
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Push.prototype.allChannels = function () {
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return this.channels.all();
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};
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Push.prototype.createConnection = function () {
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if (this.connection) {
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throw Error('Connection already exist');
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}
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var _this = this;
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var url = this.config.url;
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function updateSubscribed () {
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for (var i in _this.channels) {
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_this.channels[i].subscribed = false;
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}
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}
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this.connection = new Connection({
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url: url,
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app_key: this.config.app_key,
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onOpen: function () {
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_this.connection.state ='connecting';
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_this.checkoutPing();
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},
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onMessage: function(params) {
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if(_this.pingTimeoutTimer) {
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clearTimeout(_this.pingTimeoutTimer);
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_this.pingTimeoutTimer = 0;
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}
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params = JSON.parse(params.data);
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var event = params.event;
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var channel_name = params.channel;
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if (event === 'pusher:pong') {
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_this.checkoutPing();
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return;
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}
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if (event === 'pusher:error') {
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throw Error(params.data.message);
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}
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var data = JSON.parse(params.data), channel;
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if (event === 'pusher_internal:subscription_succeeded') {
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channel = _this.channels[channel_name];
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channel.subscribed = true;
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channel.processQueue();
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channel.emit('pusher:subscription_succeeded');
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return;
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}
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if (event === 'pusher:connection_established') {
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_this.connection.socket_id = data.socket_id;
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_this.connection.updateNetworkState('connected');
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_this.subscribeAll();
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}
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if (event.indexOf('pusher_internal') !== -1) {
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console.log("Event '"+event+"' not implement");
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return;
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}
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channel = _this.channels[channel_name];
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if (channel) {
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channel.emit(event, data);
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}
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},
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onClose: function () {
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updateSubscribed();
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},
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onError: function () {
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updateSubscribed();
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}
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});
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};
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Push.prototype.disconnect = function () {
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this.connection.doNotConnect = 1;
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this.connection.close();
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};
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Push.prototype.subscribeAll = function () {
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if (this.connection.state !== 'connected') {
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return;
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}
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for (var channel_name in this.channels) {
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//this.connection.send(JSON.stringify({event:"pusher:subscribe", data:{channel:channel_name}}));
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this.channels[channel_name].processSubscribe();
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}
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};
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Push.prototype.unsubscribe = function (channel_name) {
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if (this.channels[channel_name]) {
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delete this.channels[channel_name];
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if (this.connection.state === 'connected') {
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this.connection.send(JSON.stringify({event:"pusher:unsubscribe", data:{channel:channel_name}}));
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}
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}
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};
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Push.prototype.unsubscribeAll = function () {
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var channels = Object.keys(this.channels);
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if (channels.length) {
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if (this.connection.state === 'connected') {
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for (var channel_name in this.channels) {
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this.unsubscribe(channel_name);
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}
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}
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}
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this.channels = {};
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};
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Push.prototype.subscribe = function (channel_name) {
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if (this.channels[channel_name]) {
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return this.channels[channel_name];
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}
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if (channel_name.indexOf('private-') === 0) {
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return createPrivateChannel(channel_name, this);
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}
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if (channel_name.indexOf('presence-') === 0) {
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return createPresenceChannel(channel_name, this);
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}
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return createChannel(channel_name, this);
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};
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Push.instances = [];
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function createChannel(channel_name, push)
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{
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var channel = new Channel(push.connection, channel_name);
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push.channels[channel_name] = channel;
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channel.subscribeCb = function () {
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push.connection.send(JSON.stringify({event:"pusher:subscribe", data:{channel:channel_name}}));
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}
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channel.processSubscribe();
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return channel;
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}
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function createPrivateChannel(channel_name, push)
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{
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var channel = new Channel(push.connection, channel_name);
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push.channels[channel_name] = channel;
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channel.subscribeCb = function () {
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__ajax({
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url: push.config.auth,
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type: 'POST',
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data: {channel_name: channel_name, socket_id: push.connection.socket_id},
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success: function (data) {
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data = JSON.parse(data);
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data.channel = channel_name;
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push.connection.send(JSON.stringify({event:"pusher:subscribe", data:data}));
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},
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error: function (e) {
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throw Error(e);
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}
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});
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};
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channel.processSubscribe();
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return channel;
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}
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function createPresenceChannel(channel_name, push)
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{
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return createPrivateChannel(channel_name, push);
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}
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/*window.addEventListener('online', function(){
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var con;
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for (var i in Push.instances) {
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con = Push.instances[i].connection;
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con.reconnectInterval = 1;
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if (con.state === 'connecting') {
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con.connect();
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}
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}
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});*/
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function Connection(options) {
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this.dispatcher = new Dispatcher();
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__extends(this, this.dispatcher);
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var properies = ['on', 'off', 'emit'];
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for (var i in properies) {
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this[properies[i]] = this.dispatcher[properies[i]];
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}
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this.options = options;
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this.state = 'initialized'; //initialized connecting connected disconnected
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this.doNotConnect = 0;
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this.reconnectInterval = 1;
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this.connection = null;
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this.reconnectTimer = 0;
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this.connect();
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}
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Connection.prototype.updateNetworkState = function(state){
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var old_state = this.state;
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this.state = state;
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if (old_state !== state) {
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this.emit('state_change', { previous: old_state, current: state });
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}
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};
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Connection.prototype.connect = function () {
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this.doNotConnect = 0;
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if (this.state === 'connected') {
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console.log('networkState is "' + this.state + '" and do not need connect');
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return;
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}
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if (this.reconnectTimer) {
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clearTimeout(this.reconnectTimer);
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this.reconnectTimer = 0;
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}
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this.closeAndClean();
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var options = this.options;
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var websocket = new WebSocket(options.url+'/app/'+options.app_key);
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this.updateNetworkState('connecting');
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var _this = this;
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websocket.onopen = function (res) {
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_this.reconnectInterval = 1;
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if (_this.doNotConnect) {
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_this.updateNetworkState('disconnected');
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websocket.close();
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return;
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}
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if (options.onOpen) {
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options.onOpen(res);
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}
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};
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if (options.onMessage) {
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websocket.onmessage = options.onMessage;
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}
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websocket.onclose = function (res) {
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websocket.onmessage = websocket.onopen = websocket.onclose = websocket.onerror = null;
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_this.updateNetworkState('disconnected');
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if (!_this.doNotConnect) {
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_this.waitReconnect();
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}
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if (options.onClose) {
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options.onClose(res);
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}
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};
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websocket.onerror = function (res) {
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_this.close();
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if (!_this.doNotConnect) {
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_this.waitReconnect();
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}
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if (options.onError) {
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options.onError(res);
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}
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};
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this.connection = websocket;
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}
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Connection.prototype.closeAndClean = function () {
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if(this.connection) {
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var websocket = this.connection;
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websocket.onmessage = websocket.onopen = websocket.onclose = websocket.onerror = null;
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try {
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websocket.close();
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} catch (e) {}
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this.updateNetworkState('disconnected');
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}
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};
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Connection.prototype.waitReconnect = function () {
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if (this.state === 'connected' || this.state === 'connecting') {
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return;
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}
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if (!this.doNotConnect) {
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this.updateNetworkState('connecting');
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var _this = this;
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if (this.reconnectTimer) {
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clearTimeout(this.reconnectTimer);
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}
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this.reconnectTimer = setTimeout(function(){
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_this.connect();
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}, this.reconnectInterval);
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if (this.reconnectInterval < 1000) {
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this.reconnectInterval = 1000;
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} else {
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// 每次重连间隔增大一倍
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this.reconnectInterval = this.reconnectInterval * 2;
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}
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// 有网络的状态下，重连间隔最大2秒
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if (this.reconnectInterval > 2000 && navigator.onLine) {
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_this.reconnectInterval = 2000;
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}
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}
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}
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Connection.prototype.send = function(data) {
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if (this.state !== 'connected') {
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console.trace('networkState is "' + this.state + '", can not send ' + data);
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return;
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}
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this.connection.send(data);
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}
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Connection.prototype.close = function(){
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this.updateNetworkState('disconnected');
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this.connection.close();
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}
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var __extends = (this && this.__extends) || function (d, b) {
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for (var p in b) if (b.hasOwnProperty(p)) {d[p] = b[p];}
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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function Channel(connection, channel_name) {
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this.subscribed = false;
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this.dispatcher = new Dispatcher();
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this.connection = connection;
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this.channelName = channel_name;
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this.subscribeCb = null;
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this.queue = [];
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__extends(this, this.dispatcher);
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var properies = ['on', 'off', 'emit'];
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for (var i in properies) {
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this[properies[i]] = this.dispatcher[properies[i]];
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}
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}
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Channel.prototype.processSubscribe = function () {
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if (this.connection.state !== 'connected') {
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return;
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}
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this.subscribeCb();
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};
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Channel.prototype.processQueue = function () {
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if (this.connection.state !== 'connected' || !this.subscribed) {
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return;
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}
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for (var i in this.queue) {
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this.queue[i]();
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}
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this.queue = [];
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};
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Channel.prototype.trigger = function (event, data) {
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if (event.indexOf('client-') !== 0) {
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throw new Error("Event '" + event + "' should start with 'client-'");
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}
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var _this = this;
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this.queue.push(function () {
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_this.connection.send(JSON.stringify({ event: event, data: data, channel: _this.channelName }));
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});
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this.processQueue();
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};
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////////////////
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var Collections = (function () {
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var exports = {};
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function extend(target) {
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var sources = [];
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for (var _i = 1; _i < arguments.length; _i++) {
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sources[_i - 1] = arguments[_i];
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}
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for (var i = 0; i < sources.length; i++) {
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var extensions = sources[i];
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for (var property in extensions) {
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if (extensions[property] && extensions[property].constructor &&
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extensions[property].constructor === Object) {
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target[property] = extend(target[property] || {}, extensions[property]);
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}
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else {
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target[property] = extensions[property];
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}
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}
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}
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return target;
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}
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exports.extend = extend;
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function stringify() {
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var m = ["Push"];
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for (var i = 0; i < arguments.length; i++) {
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if (typeof arguments[i] === "string") {
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m.push(arguments[i]);
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}
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else {
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m.push(safeJSONStringify(arguments[i]));
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}
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}
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return m.join(" : ");
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}
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exports.stringify = stringify;
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function arrayIndexOf(array, item) {
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var nativeIndexOf = Array.prototype.indexOf;
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if (array === null) {
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return -1;
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}
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if (nativeIndexOf && array.indexOf === nativeIndexOf) {
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return array.indexOf(item);
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}
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for (var i = 0, l = array.length; i < l; i++) {
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if (array[i] === item) {
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return i;
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}
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}
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return -1;
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}
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exports.arrayIndexOf = arrayIndexOf;
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function objectApply(object, f) {
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for (var key in object) {
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if (Object.prototype.hasOwnProperty.call(object, key)) {
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f(object[key], key, object);
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}
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}
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}
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exports.objectApply = objectApply;
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function keys(object) {
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var keys = [];
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objectApply(object, function (_, key) {
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keys.push(key);
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});
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return keys;
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}
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exports.keys = keys;
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function values(object) {
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var values = [];
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objectApply(object, function (value) {
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values.push(value);
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});
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return values;
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}
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exports.values = values;
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function apply(array, f, context) {
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for (var i = 0; i < array.length; i++) {
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f.call(context || (window), array[i], i, array);
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}
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}
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exports.apply = apply;
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function map(array, f) {
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var result = [];
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for (var i = 0; i < array.length; i++) {
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result.push(f(array[i], i, array, result));
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}
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return result;
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}
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exports.map = map;
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function mapObject(object, f) {
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var result = {};
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objectApply(object, function (value, key) {
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result[key] = f(value);
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});
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return result;
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}
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exports.mapObject = mapObject;
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function filter(array, test) {
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test = test || function (value) {
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return !!value;
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};
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var result = [];
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for (var i = 0; i < array.length; i++) {
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if (test(array[i], i, array, result)) {
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result.push(array[i]);
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}
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}
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return result;
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}
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exports.filter = filter;
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function filterObject(object, test) {
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var result = {};
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objectApply(object, function (value, key) {
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if ((test && test(value, key, object, result)) || Boolean(value)) {
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result[key] = value;
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}
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});
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return result;
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}
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exports.filterObject = filterObject;
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function flatten(object) {
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var result = [];
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objectApply(object, function (value, key) {
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result.push([key, value]);
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});
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return result;
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}
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exports.flatten = flatten;
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function any(array, test) {
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for (var i = 0; i < array.length; i++) {
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if (test(array[i], i, array)) {
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return true;
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}
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}
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return false;
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}
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exports.any = any;
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function all(array, test) {
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for (var i = 0; i < array.length; i++) {
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if (!test(array[i], i, array)) {
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return false;
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}
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}
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return true;
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}
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exports.all = all;
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function encodeParamsObject(data) {
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return mapObject(data, function (value) {
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if (typeof value === "object") {
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value = safeJSONStringify(value);
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}
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return encodeURIComponent(base64_1["default"](value.toString()));
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});
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}
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exports.encodeParamsObject = encodeParamsObject;
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function buildQueryString(data) {
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var params = filterObject(data, function (value) {
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return value !== undefined;
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});
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return map(flatten(encodeParamsObject(params)), util_1["default"].method("join", "=")).join("&");
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}
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|
||
exports.buildQueryString = buildQueryString;
|
||
function decycleObject(object) {
|
||
var objects = [], paths = [];
|
||
return (function derez(value, path) {
|
||
var i, name, nu;
|
||
switch (typeof value) {
|
||
case 'object':
|
||
if (!value) {
|
||
return null;
|
||
}
|
||
for (i = 0; i < objects.length; i += 1) {
|
||
if (objects[i] === value) {
|
||
return {$ref: paths[i]};
|
||
}
|
||
}
|
||
objects.push(value);
|
||
paths.push(path);
|
||
if (Object.prototype.toString.apply(value) === '[object Array]') {
|
||
nu = [];
|
||
for (i = 0; i < value.length; i += 1) {
|
||
nu[i] = derez(value[i], path + '[' + i + ']');
|
||
}
|
||
}
|
||
else {
|
||
nu = {};
|
||
for (name in value) {
|
||
if (Object.prototype.hasOwnProperty.call(value, name)) {
|
||
nu[name] = derez(value[name], path + '[' + JSON.stringify(name) + ']');
|
||
}
|
||
}
|
||
}
|
||
return nu;
|
||
case 'number':
|
||
case 'string':
|
||
case 'boolean':
|
||
return value;
|
||
}
|
||
}(object, '$'));
|
||
}
|
||
|
||
exports.decycleObject = decycleObject;
|
||
function safeJSONStringify(source) {
|
||
try {
|
||
return JSON.stringify(source);
|
||
}
|
||
catch (e) {
|
||
return JSON.stringify(decycleObject(source));
|
||
}
|
||
}
|
||
|
||
exports.safeJSONStringify = safeJSONStringify;
|
||
return exports;
|
||
})();
|
||
|
||
var Dispatcher = (function () {
|
||
function Dispatcher(failThrough) {
|
||
this.callbacks = new CallbackRegistry();
|
||
this.global_callbacks = [];
|
||
this.failThrough = failThrough;
|
||
}
|
||
Dispatcher.prototype.on = function (eventName, callback, context) {
|
||
this.callbacks.add(eventName, callback, context);
|
||
return this;
|
||
};
|
||
Dispatcher.prototype.on_global = function (callback) {
|
||
this.global_callbacks.push(callback);
|
||
return this;
|
||
};
|
||
Dispatcher.prototype.off = function (eventName, callback, context) {
|
||
this.callbacks.remove(eventName, callback, context);
|
||
return this;
|
||
};
|
||
Dispatcher.prototype.emit = function (eventName, data) {
|
||
var i;
|
||
for (i = 0; i < this.global_callbacks.length; i++) {
|
||
this.global_callbacks[i](eventName, data);
|
||
}
|
||
var callbacks = this.callbacks.get(eventName);
|
||
if (callbacks && callbacks.length > 0) {
|
||
for (i = 0; i < callbacks.length; i++) {
|
||
callbacks[i].fn.call(callbacks[i].context || (window), data);
|
||
}
|
||
}
|
||
else if (this.failThrough) {
|
||
this.failThrough(eventName, data);
|
||
}
|
||
return this;
|
||
};
|
||
return Dispatcher;
|
||
}());
|
||
|
||
var CallbackRegistry = (function () {
|
||
function CallbackRegistry() {
|
||
this._callbacks = {};
|
||
}
|
||
CallbackRegistry.prototype.get = function (name) {
|
||
return this._callbacks[prefix(name)];
|
||
};
|
||
CallbackRegistry.prototype.add = function (name, callback, context) {
|
||
var prefixedEventName = prefix(name);
|
||
this._callbacks[prefixedEventName] = this._callbacks[prefixedEventName] || [];
|
||
this._callbacks[prefixedEventName].push({
|
||
fn: callback,
|
||
context: context
|
||
});
|
||
};
|
||
CallbackRegistry.prototype.remove = function (name, callback, context) {
|
||
if (!name && !callback && !context) {
|
||
this._callbacks = {};
|
||
return;
|
||
}
|
||
var names = name ? [prefix(name)] : Collections.keys(this._callbacks);
|
||
if (callback || context) {
|
||
this.removeCallback(names, callback, context);
|
||
}
|
||
else {
|
||
this.removeAllCallbacks(names);
|
||
}
|
||
};
|
||
CallbackRegistry.prototype.removeCallback = function (names, callback, context) {
|
||
Collections.apply(names, function (name) {
|
||
this._callbacks[name] = Collections.filter(this._callbacks[name] || [], function (oning) {
|
||
return (callback && callback !== oning.fn) ||
|
||
(context && context !== oning.context);
|
||
});
|
||
if (this._callbacks[name].length === 0) {
|
||
delete this._callbacks[name];
|
||
}
|
||
}, this);
|
||
};
|
||
CallbackRegistry.prototype.removeAllCallbacks = function (names) {
|
||
Collections.apply(names, function (name) {
|
||
delete this._callbacks[name];
|
||
}, this);
|
||
};
|
||
return CallbackRegistry;
|
||
}());
|
||
function prefix(name) {
|
||
return "_" + name;
|
||
}
|
||
|
||
function __ajax(options){
|
||
options=options||{};
|
||
options.type=(options.type||'GET').toUpperCase();
|
||
options.dataType=options.dataType||'json';
|
||
params=formatParams(options.data);
|
||
|
||
var xhr;
|
||
if(window.XMLHttpRequest){
|
||
xhr=new XMLHttpRequest();
|
||
}else{
|
||
xhr=ActiveXObject('Microsoft.XMLHTTP');
|
||
}
|
||
|
||
xhr.onreadystatechange=function(){
|
||
if(xhr.readyState === 4){
|
||
var status=xhr.status;
|
||
if(status>=200 && status<300){
|
||
options.success&&options.success(xhr.responseText,xhr.responseXML);
|
||
}else{
|
||
options.error&&options.error(status);
|
||
}
|
||
}
|
||
}
|
||
|
||
if(options.type==='GET'){
|
||
xhr.open('GET',options.url+'?'+params,true);
|
||
xhr.send(null);
|
||
}else if(options.type==='POST'){
|
||
xhr.open('POST',options.url,true);
|
||
xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
|
||
xhr.send(params);
|
||
}
|
||
}
|
||
|
||
function formatParams(data){
|
||
var arr=[];
|
||
for(var name in data){
|
||
arr.push(encodeURIComponent(name)+'='+encodeURIComponent(data[name]));
|
||
}
|
||
return arr.join('&');
|
||
}
|
||
|
||
// export const push = {
|
||
// a:6
|
||
// }
|