update

coordinator.js

@@ -20,6 +20,15 @@ const Coordinator = function(param={}) {
 		that.remoteclient.subscribe(`->tap/device/${deviceid}:${client.token}`);
 	});
 
+	this.localserver.on('clientDisconnected', function(client){
+		console.log('client disconnected', client.id);
+		let deviceid = client.id.split(':')[0];
+		
+		that.remoteclient.unsubscribe(`->tap/shadow/${deviceid}:${client.token}`);
+		that.remoteclient.unsubscribe(`->tap/device/${deviceid}:${client.token}`);
+	});
+
+
 	this.remoteclient.on('message', function(topic, payload){
 		let jsonpayload = {};
 		try {
@@ -27,6 +36,7 @@ const Coordinator = function(param={}) {
 		}
 		catch(e) {}
 
+		//console.log('incoming message ', topic, jsonpayload)
 		if (topic == '@shadow/data/updated') {
 		    that.localserver.publish(`${jsonpayload.deviceid}/shadow`, payload.toString());
 		}

mqttclient.js

@@ -37,7 +37,6 @@ MQTTClient.prototype.publish = function(topic, payload) {
 	    this.client.publish(topic, payload);
 	}
 	else {
-
 	}
 }
 
@@ -51,6 +50,7 @@ MQTTClient.prototype.subscribe = function(topic) {
 }
 
 
+
 function create(param) {
 	return new MQTTClient(param);
 }

mqttserver.js

@@ -30,6 +30,10 @@ MQTTServer.prototype.start = function() {
 	    that.emit('clientConnected',client);
 	});
 
+	this.mqttserver.on('clientDisconnected', function(client, reason) {
+	    that.emit('clientDisconnected',client, reason);
+	});
+
 	this.mqttserver.on('subscribed', function(topic, client) {
 	    that.emit('clientSubscribed',{
 	    	deviceid: client.id,
@@ -42,7 +46,7 @@ MQTTServer.prototype.start = function() {
 	    	deviceid: client.id,
 	    	topic: topic
 	    });
-	});
+	});	
 }
 
 MQTTServer.prototype.publish = function(topic, payload) {