uses remote addr for SearchRequest when hpai is empty

OpenKNX · Feb 6, 2024 · 9bac3fd · 9bac3fd
1 parent a55f0fa
commit 9bac3fd
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/src/knx/ip_data_link_layer.cpp b/src/knx/ip_data_link_layer.cpp
@@ -82,7 +82,11 @@ void IpDataLinkLayer::loop()
             if(_dllcb)
                 _dllcb->activity((_netIndex << KNX_ACTIVITYCALLBACK_NET) | (KNX_ACTIVITYCALLBACK_DIR_SEND << KNX_ACTIVITYCALLBACK_DIR) | (KNX_ACTIVITYCALLBACK_IPUNICAST));
 #endif
-            _platform.sendBytesUniCast(hpai.ipAddress(), hpai.ipPortNumber(), searchResponse.data(), searchResponse.totalLength());
+            if(hpai.ipAddress()) {
+                remoteAddr = hpai.ipAddress();
+                remotePort = hpai.ipPortNumber();
+            }
+            _platform.sendBytesUniCast(remoteAddr, remotePort, searchResponse.data(), searchResponse.totalLength());
             break;
         }
         case SearchRequestExt: