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// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
var AppDispatcher = require('../dispatcher/app_dispatcher.jsx');
var UserStore = require('./user_store.jsx');
var ErrorStore = require('./error_store.jsx');
var EventEmitter = require('events').EventEmitter;
var Constants = require('../utils/constants.jsx');
var ActionTypes = Constants.ActionTypes;
var CHANGE_EVENT = 'change';
var conn;
class SocketStoreClass extends EventEmitter {
constructor() {
super();
this.initialize = this.initialize.bind(this);
this.emitChange = this.emitChange.bind(this);
this.addChangeListener = this.addChangeListener.bind(this);
this.removeChangeListener = this.removeChangeListener.bind(this);
this.sendMessage = this.sendMessage.bind(this);
this.failCount = 0;
this.initialize();
}
initialize() {
if (!UserStore.getCurrentId()) {
return;
}
this.setMaxListeners(0);
if (window.WebSocket && !conn) {
var protocol = 'ws://';
if (window.location.protocol === 'https:') {
protocol = 'wss://';
}
var connUrl = protocol + location.host + '/api/v1/websocket';
if (this.failCount === 0) {
console.log('websocket connecting to ' + connUrl); //eslint-disable-line no-console
}
conn = new WebSocket(connUrl);
conn.onopen = () => {
if (this.failCount > 0) {
console.log('websocket re-established connection'); //eslint-disable-line no-console
}
this.failCount = 0;
if (ErrorStore.getLastError()) {
ErrorStore.storeLastError(null);
ErrorStore.emitChange();
}
};
conn.onclose = () => {
conn = null;
setTimeout(
() => {
this.initialize();
},
3000
);
};
conn.onerror = (evt) => {
if (this.failCount === 0) {
console.log('websocket error ' + evt); //eslint-disable-line no-console
}
this.failCount = this.failCount + 1;
ErrorStore.storeLastError({connErrorCount: this.failCount, message: 'We cannot reach the Mattermost service. The service may be down or misconfigured. Please contact an administrator to make sure the WebSocket port is configured properly.'});
ErrorStore.emitChange();
};
conn.onmessage = (evt) => {
AppDispatcher.handleServerAction({
type: ActionTypes.RECIEVED_MSG,
msg: JSON.parse(evt.data)
});
};
}
}
emitChange(msg) {
this.emit(CHANGE_EVENT, msg);
}
addChangeListener(callback) {
this.on(CHANGE_EVENT, callback);
}
removeChangeListener(callback) {
this.removeListener(CHANGE_EVENT, callback);
}
sendMessage(msg) {
if (conn && conn.readyState === WebSocket.OPEN) {
conn.send(JSON.stringify(msg));
} else if (!conn || conn.readyState === WebSocket.Closed) {
conn = null;
this.initialize();
}
}
}
var SocketStore = new SocketStoreClass();
SocketStore.dispatchToken = AppDispatcher.register((payload) => {
var action = payload.action;
switch (action.type) {
case ActionTypes.RECIEVED_MSG:
SocketStore.emitChange(action.msg);
break;
default:
}
});
export default SocketStore;
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