node-red-contrib-susi/SUSI-node/SUSI-HardwareMonitor.js

Node-red node for SUSI

/**
 * Copyright 2014, 2015 ADVANTECH 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.
 **/

// Dependency - dht sensor package
var susiLib = require("node-susi");

module.exports = function(RED) {
   "use strict";

    // The main node definition - most things happen in here
	function susiHWM(config) {
		// Create a RED node
		RED.nodes.createNode(this, config);

		// Store local copies of the node configuration (as defined in the .html)
		var node = this;

        this.topic = config.topic;
		
        // Read the data & return a message object
        this.read = function(msgIn) {			
			var msg = msgIn ? msgIn : {};
		
			if (typeof msg.functiontype !== 'undefined' && msg.functiontype !== '')
				config.functiontype = msg.functiontype;
			if (typeof msg.index !== 'undefined' && msg.index !== '')
				config.index = msg.index;
			
			msg.payload = susiLib.getHardwareMonitor(config.functiontype, config.index);
			
			msg.topic    = node.topic || node.name;

			return msg;
        };

        // respond to inputs....
        this.on('input', function (msg) {
			msg = this.read(msg);
			 
			if (msg)
				node.send(msg);
        });
    }

    // Register the node by name.
    RED.nodes.registerType("SUSI-HardwareMonitor", susiHWM);
	
	RED.httpAdmin.get("/SUSI-HardwareMonitor", function(req,res) {
		var Items = [4];
		for (var i=0; i<4; i++) {
			Items[i] = [];
		}
		for (var i=0; i<10; i++) {
			Items[0].push(susiLib.getHardwareMonitorString(0, i));
		}
		for (var i=0; i<10; i++) {
			Items[1].push(susiLib.getHardwareMonitorString(1, i));
		}
		for (var i=0; i<23; i++) {
			Items[2].push(susiLib.getHardwareMonitorString(2, i));
		}
		for (var i=0; i<3; i++) {
			Items[3].push(susiLib.getHardwareMonitorString(3, i));
		}
		res.send(Items);
    });
}