1 files changed, 56 insertions, 0 deletions
diff --git a/openecomp-ui/src/nfvo-utils/WebSocketUtil.js b/openecomp-ui/src/nfvo-utils/WebSocketUtil.js
new file mode 100644
index 0000000000..c9dd10f1af
--- /dev/null
+++ b/openecomp-ui/src/nfvo-utils/WebSocketUtil.js
@@ -0,0 +1,56 @@
+/*!
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ *
+ * 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';
+
+
+export const websocketUrl = 'ws://' + window.location.hostname + ':' + Configuration.get('websocketPort')
+	+ '/'  + Configuration.get('websocketPath');
+
+/***
+ * Websocket is treated like a singleton. only need one for the application.
+ */
+var websocket;
+
+
+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 = event => console.log(event);
+		}
+	},
+
+	close() {
+		if (websocket !== undefined) {
+			websocket.close();
+		}
+	}
+};