initial Rx + mqtt test

scriptcraft/plugins/mqtt.js

@@ -0,0 +1,64 @@
+/**
+ * Created by aiko on 25/10/15.
+ */
+
+var mqtt = require('sc-mqtt');
+
+var MqttConnectOptions = org.eclipse.paho.client.mqttv3.MqttConnectOptions;
+
+// create a new client
+var client = mqtt.client('tcp://pi2.aiko.sh:1883', 'scriptCraft_aiko_pro');
+// connect to the broker
+//client.connect( { keepAliveInterval: 15 } );
+var options = new MqttConnectOptions();
+options.setKeepAliveInterval(15);
+client.connect(options);
+
+var uptime = 'raspberrypiko/status/uptime';
+var cpu_temp = 'raspberrypiko/sensors/temp/cpu';
+client.subscribe(cpu_temp);
+client.subscribe(uptime);
+
+//  do something when an incoming message arrives...
+var Rx = require('node_modules/rx');
+
+var all_messages = Rx.Observable.create(function (observer) {
+// override default onMessageArrive method with our own.
+	client.onMessageArrived(function (topic, message) {
+		var item = {
+			topic: topic,
+			message: JSON.parse(message)
+		};
+		console.log('Rx Message arrived: topic=' + topic + ', message=' + message);
+		observer.onNext(item);
+	});
+	client.onConnectionLost(function (err) {
+		observer.onCompleted();
+	});
+
+	// Any cleanup logic might go here
+	return function () {
+		console.log('disposed');
+	}
+});
+
+var degrees = all_messages.filter(function (n) {
+	return n.topic === cpu_temp;
+}).distinctUntilChanged(function (n) {
+	return n.message.degrees;
+});
+
+var subscription = degrees.subscribe(
+	function (x) {
+		console.log('onNext: %s, %s', x.topic, x.message.degrees);
+	},
+	function (e) {
+		console.log('onError: %s', e);
+	},
+	function () {
+		console.log('onCompleted');
+	}
+);
+
+//subscription.dispose();
+console.log('restarted');