dispatcher

src/udi/mqtt/mqtt.go

@@ -1,6 +1,7 @@
 package mqtt
 
 import "log"
+import "strings"
 import "fmt"
 import MQTT "github.com/eclipse/paho.mqtt.golang"
 import "github.com/google/uuid"
@@ -124,3 +125,20 @@ func StopMqttClient() {
   mqttClient.Disconnect(250)
 }
 
+func TopicMatchesSubscription(topic, subscription string) bool {
+	topicSegments := strings.Split(topic, "/")
+	subscriptionSegments := strings.Split(subscription, "/")
+
+	for i, subSegment := range subscriptionSegments {
+		if subSegment == "+" {
+			continue
+		} else if subSegment == "#" {
+			return true
+		} else if i < len(topicSegments) && subSegment != topicSegments[i] {
+			return false
+		}
+	}
+
+	return true
+}
+