Add logging for init and de-init steps

This helps to debug potential issues.

1 files changed, 10 insertions, 1 deletions

diff --git a/main.go b/main.go
index 11c6ffc..91f65ba 100644
--- a/main.go
+++ b/main.go
@@ -21,18 +21,27 @@ const (
 )
 
 func main() {
+	log.Println("+++ Started Sia server +++")
+	defer log.Println("--- Stopped Sia server ---")
+
 	req := homematic.NewRequester(OPENCCU)
+	log.Printf("Created Homematic requester (%s).", OPENCCU)
 
 	inventory, err := req.ListDevices()
 	if err != nil {
 		log.Fatalf("Failed to retrieve device list: %v", err)
 	}
+	log.Printf("Retrieved Homematic inventory with %d devices.", len(inventory))
 
 	client, err := ConnectMQTT(BROKER, CLIENT_ID)
 	if err != nil {
 		log.Fatalf("Could not connect to MQTT broker: %v", err)
 	}
-	defer client.Disconnect(MQTT_DISCONNECT_TIMEOUT_US)
+	defer func () {
+		client.Disconnect(MQTT_DISCONNECT_TIMEOUT_US)
+		log.Println("Disconnected from MQTT broker.")
+	}()
+	log.Printf("Connected to MQTT broker (%s).", BROKER)
 
 	for _, device := range inventory {
 		if device.Type == `SHUTTER_CONTACT` {