Remove unused code

cli/cli.go

@@ -2,7 +2,7 @@ package cli
 
 import (
 	"flag"
-	"github.com/cyrilix/robocar-base/mqttdevice"
+	"fmt"
 	"github.com/cyrilix/robocar-base/service"
 	MQTT "github.com/eclipse/paho.mqtt.golang"
 	"log"
@@ -92,5 +92,24 @@ func InitFloat64Flag(key string, defValue float64) float64 {
 }
 
 func Connect(uri, username, password, clientId string) (MQTT.Client, error) {
-	return mqttdevice.Connect(uri, username, password, clientId)
+	//create a ClientOptions struct setting the broker address, clientid, turn
+	//off trace output and set the default message handler
+	opts := MQTT.NewClientOptions().AddBroker(uri)
+	opts.SetUsername(username)
+	opts.SetPassword(password)
+	opts.SetClientID(clientId)
+	opts.SetAutoReconnect(true)
+	opts.SetDefaultPublishHandler(
+		//define a function for the default message handler
+		func(client MQTT.Client, msg MQTT.Message) {
+			fmt.Printf("TOPIC: %s\n", msg.Topic())
+			fmt.Printf("MSG: %s\n", msg.Payload())
+		})
+
+	//create and start a client using the above ClientOptions
+	client := MQTT.NewClient(opts)
+	if token := client.Connect(); token.Wait() && token.Error() != nil {
+		return nil, fmt.Errorf("unable to connect to mqtt bus: %v", token.Error())
+	}
+	return client, nil
 }