fix nil ref

gatherer/main.go

@@ -16,7 +16,7 @@ func failOnError(err error, msg string) {
 
 func main() {
 
-	amqpConn := AMQPConnection{}
+	amqpConn := new(AMQPConnection)
 	amqpConn.Init()
 	err := amqpConn.Connect()
 	defer amqpConn.Close()
@@ -30,7 +30,7 @@ func main() {
 	fmt.Println("InfluxDB token:")
 	fmt.Println(strings.TrimSpace(string(influx_token)))
 
-	influx := InfluxWriter{}
+	influx := new(InfluxWriter)
 	influx.Init(
 		os.Getenv("INFLUX_URL"),
 		strings.TrimSpace(string(influx_token)),
@@ -53,10 +53,10 @@ func main() {
 	var forever chan struct{}
 
 	shellPipe := new(Piper)
-	shellPipe.Start(&influx, &amqpConn, "shelly", "shellies.#", ShellyConverter)
+	shellPipe.Start(influx, amqpConn, "shelly", "shellies.#", ShellyConverter)
 
 	tasmotaPipe := new(Piper)
-	tasmotaPipe.Start(&influx, &amqpConn, "tasmota", "tele.#.SENSOR", TasmotaConverter)
+	tasmotaPipe.Start(influx, amqpConn, "tasmota", "tele.#.SENSOR", TasmotaConverter)
 
 	log.Printf(" [*] Waiting for logs. To exit press CTRL+C")
 	<-forever

gatherer/piper.go

@@ -20,6 +20,7 @@ func (p *Piper) Start(
 	// Create a new client using an InfluxDB server base URL and an authentication token
 	p.influx = writer
 	p.delivery, _ = amqp.ConnectToQueue(queue_name, routing_key)
+	p.conversion = conversion
 
 	notify := amqp.NotifyError()
 	go func() {