diff options
| -rw-r--r-- | src/plugins/opcua/open62541/qopen62541subscription.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/plugins/opcua/open62541/qopen62541subscription.cpp b/src/plugins/opcua/open62541/qopen62541subscription.cpp index 7878fd1..72e96fb 100644 --- a/src/plugins/opcua/open62541/qopen62541subscription.cpp +++ b/src/plugins/opcua/open62541/qopen62541subscription.cpp @@ -312,6 +312,13 @@ void QOpen62541Subscription::monitoredValueUpdated(UA_UInt32 monId, UA_DataValue if (item == m_itemIdToItemMapping.constEnd()) return; QOpcUaReadResult res; + + if (!value || value == UA_EMPTY_ARRAY_SENTINEL) { + res.statusCode = QOpcUa::UaStatusCode::Good; + emit m_backend->attributeUpdated(item.value()->handle, res); + return; + } + res.value = QOpen62541ValueConverter::toQVariant(value->value); res.attributeId = item.value()->attr; if (value->hasServerTimestamp) |