81 lines
2.0 KiB
JavaScript
81 lines
2.0 KiB
JavaScript
/**
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* pusher_sub.js
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* Subscription module for the Pusher service (www.pusher.com)
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* Requires 'pusher-client' module
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* Copyright 2014 Charalampos Doukas - @BuildingIoT
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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var Pusher = require('pusher-client');
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// Require main module
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var RED = require(process.env.NODE_RED_HOME+"/red/red");
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// The main node definition - most things happen in here
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function PusherNode(n) {
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// Create a RED node
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RED.nodes.createNode(this,n);
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var node = this;
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//get parameters from user
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this.apikey = n.apikey;
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this.channel = n.channel;
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this.eventname = n.eventname;
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//create a subscription to the channel and event defined by user
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var socket = new Pusher(''+this.apikey);
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var my_channel = socket.subscribe(''+this.channel);
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socket.bind(''+this.eventname,
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function(data) {
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var msg = {};
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msg.payload = data;
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node.send(msg);
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}
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);
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this.on("input", function(msg){
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});
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this.on("close", function() {
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// Called when the node is shutdown - eg on redeploy.
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// Allows ports to be closed, connections dropped etc.
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// eg: this.client.disconnect();
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});
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}
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//hue debugging on the output:
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var displayResult = function(result) {
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console.log(result);
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};
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var displayError = function(err) {
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console.error(err);
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};
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// Register the node by name. This must be called before overriding any of the
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// Node functions.
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RED.nodes.registerType("Pusher",PusherNode);
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