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/*
* Copyright © 2018 European Support Limited
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http: //www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import store from 'sdc-app/AppStore.js';
import Configuration from 'sdc-app/config/Configuration.js';
import { actionTypes } from 'sdc-app/onboarding/userNotifications/UserNotificationsConstants.js';
import WorkerUtil from 'nfvo-utils/WorkerUtil';
export const websocketUrl =
Configuration.get('websocketProtocol') +
'://' +
window.location.hostname +
':' +
Configuration.get('websocketPort') +
'/' +
Configuration.get('websocketPath');
/***
* Websocket is treated like a singleton. only need one for the application.
*/
let websocket;
const workerUtil = new WorkerUtil();
export default {
open(url, { lastScanned }) {
if (
websocket === undefined ||
websocket.readyState === websocket.CLOSED
) {
websocket = new WebSocket(
`${url}?LAST_DELIVERED_EVENT_ID=${lastScanned}`
);
websocket.onmessage = event =>
store.dispatch({
type: actionTypes.NOTIFICATION,
data: JSON.parse(event.data)
});
websocket.onclose = event => {
if (event.code && event.code === 1001) {
// - Idle Timeout
const { lastScanned } = store.getState().notifications;
console.log('Reconnecting to Websocket');
this.open(websocketUrl, { lastScanned });
}
};
websocket.onerror = () => {
workerUtil.open();
};
}
},
close() {
if (websocket !== undefined) {
websocket.close();
}
workerUtil.close();
}
};
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