feat: add rudimentary autodiscovery

2026-01-14 14:06:42 +01:00
parent bf913012ac
commit 2f9bd6316b
3 changed files with 561 additions and 0 deletions
@@ -103,6 +103,19 @@ func main() {
 					log.Printf("warning: mqtt subscribe failed: %v", err)
 				}
 			}
+
+			// subscribe to discovery topic
+			discoveryTopic := cfg.MQTT.Topic + "/discovery"
+			discoveryHandler := func(t string, p []byte) {
+				log.Printf("device discovery on %s", t)
+				if err := h.ProcessDiscoveryMessage(p); err != nil {
+					log.Printf("error processing discovery message: %v", err)
+				}
+			}
+			if err := mq.Subscribe(discoveryTopic, discoveryHandler); err != nil {
+				log.Printf("warning: mqtt subscribe to discovery failed: %v", err)
+			}
+
 			// publish a startup message (non-blocking)
 			go func() {
 				msg := fmt.Sprintf("lambdaiot-core started on %s", addr)