First commit of files

SmartHomeNGConnection.js

@@ -0,0 +1,83 @@
+var http = require("http");
+var WebSocketClient = require('websocket').client
+
+
+function SmartHomeNGConnection(platform, log, host, port) {
+  this.log = log;
+  this.platform = platform;
+  this.connected = false;
+  this.updateCallback = undefined;
+  this.tomonitor = [];
+  
+  this.shng_host = host;
+  this.shng_port = port;
+  
+}
+
+SmartHomeNGConnection.prototype.init = function () {
+	this.connect();
+}
+
+SmartHomeNGConnection.prototype.connect = function(host, ip) {
+    var that = this
+    this.log("Connecting to SmartHomeNG @ " + this.shng_host);	
+  
+    this.shng_ws = new WebSocketClient();
+  
+    this.shng_ws.connect('ws://' + this.shng_host + ':' + this.shng_port + '/');
+    this.shng_ws.on('connect', function(connection) {
+        that.log('connected to server!'); 
+        that.connected = true;
+        that.connection = connection;
+        that.startMonitoring();
+        
+        connection.on('message', function(message) { that.receive(message); });	  
+		connection.on('error', function(error) { that.log('WebSocket error: ' + error.toString()) });
+		connection.on('close', function() {
+    	   that.log('Connection to smarthome lost');
+    	   that.connected = false;
+        });
+		
+	});
+
+}
+
+SmartHomeNGConnection.prototype.receive = function(message) {
+	var msg = JSON.parse(message.utf8Data); 
+    //this.log(msg);
+    if (msg.items) {
+        for (int = 0; int < msg.items.length; int++) {
+            item = msg.items[int];
+            //this.log("Received value " + item[1] + " for item " + item[0]);
+            if (this.updateCallback) {
+                this.updateCallback(item[0], item[1]);
+            }
+        }
+    }
+}
+
+SmartHomeNGConnection.prototype.setValue = function(item, value) {
+    if (this.connected) {
+        this.connection.send('{"cmd":"item","id":"' + item + '","val":"' + value + '"}')
+    } else {
+        this.log("Cannot switch " + item + ", no connection to SmartHomeNG !")
+    }
+}
+
+SmartHomeNGConnection.prototype.startMonitoring = function() {   
+    if (this.connected && this.tomonitor.length > 0) {
+        var buffer = {};
+        this.log("Start monitoring " + this.tomonitor);
+        buffer.cmd = 'monitor';
+        buffer.items = this.tomonitor;
+        var command = JSON.stringify(buffer);
+        this.connection.send(command);
+    } else {
+        this.log("Cannot start monitoring, not connected !");
+    }
+}
+
+module.exports = {
+  SmartHomeNGConnection: SmartHomeNGConnection
+}
+