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-rw-r--r--dgbuilder/public/red/comms.js93
1 files changed, 0 insertions, 93 deletions
diff --git a/dgbuilder/public/red/comms.js b/dgbuilder/public/red/comms.js
deleted file mode 100644
index 64912476..00000000
--- a/dgbuilder/public/red/comms.js
+++ /dev/null
@@ -1,93 +0,0 @@
-/**
- * Copyright 2014 IBM Corp.
- *
- * 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.
- **/
-
-RED.comms = (function() {
-
- var errornotification = null;
- var subscriptions = {};
- var ws;
- function connectWS() {
- var path = location.hostname+":"+location.port+document.location.pathname;
- path = path+(path.slice(-1) == "/"?"":"/")+"comms";
- path = "ws"+(document.location.protocol=="https:"?"s":"")+"://"+path;
- ws = new WebSocket(path);
- ws.onopen = function() {
- if (errornotification) {
- errornotification.close();
- errornotification = null;
- }
- for (var t in subscriptions) {
- if (subscriptions.hasOwnProperty(t)) {
- ws.send(JSON.stringify({subscribe:t}));
- }
- }
- }
- ws.onmessage = function(event) {
- var msg = JSON.parse(event.data);
- if (msg.topic) {
- for (var t in subscriptions) {
- if (subscriptions.hasOwnProperty(t)) {
- var re = new RegExp("^"+t.replace(/([\[\]\?\(\)\\\\$\^\*\.|])/g,"\\$1").replace(/\+/g,"[^/]+").replace(/\/#$/,"(\/.*)?")+"$");
- if (re.test(msg.topic)) {
- var subscribers = subscriptions[t];
- if (subscribers) {
- for (var i=0;i<subscribers.length;i++) {
- subscribers[i](msg.topic,msg.data);
- }
- }
- }
- }
- }
- }
- };
- ws.onclose = function() {
- if (errornotification == null) {
- errornotification = RED.notify("<b>Error</b>: Lost connection to server","error",true);
- }
- setTimeout(connectWS,1000);
- }
- }
-
- function subscribe(topic,callback) {
- if (subscriptions[topic] == null) {
- subscriptions[topic] = [];
- }
- subscriptions[topic].push(callback);
- if (ws && ws.readyState == 1) {
- ws.send(JSON.stringify({subscribe:topic}));
- }
- }
-
- function unsubscribe(topic,callback) {
- if (subscriptions.topic) {
- for (var i=0;i<subscriptions.topic.length;i++) {
- if (subscriptions.topic[i] === callback) {
- subscriptions.topic.splice(i,1);
- break;
- }
- }
- if (subscriptions.topic.length === 0) {
- delete subscriptions.topic;
- }
- }
- }
-
- return {
- connect: connectWS,
- subscribe: subscribe,
- unsubscribe:unsubscribe
- }
-})();