Fix endianess of GUID node ids

Change-Id: I948bd4bb6a58874c6d2cc9737777a08c0f214648
Reviewed-by: Frank Meerkoetter <frank.meerkoetter@basyskom.com>

2 files changed, 13 insertions, 8 deletions

diff --git a/src/plugins/opcua/open62541/qopen62541valueconverter.cpp b/src/plugins/opcua/open62541/qopen62541valueconverter.cpp
index d044c5c..5649137 100644
--- a/src/plugins/opcua/open62541/qopen62541valueconverter.cpp
+++ b/src/plugins/opcua/open62541/qopen62541valueconverter.cpp
@@ -313,7 +313,10 @@ QDateTime scalarToQt<QDateTime, UA_DateTime>(const UA_DateTime *data)
 template<>
 QUuid scalarToQt<QUuid, UA_Guid>(const UA_Guid *data)
 {
-    return QUuid(data->data1, data->data2, data->data3, data->data4[0], data->data4[1], data->data4[2],
+    return QUuid(qFromBigEndian(data->data1),
+                 qFromBigEndian(data->data2),
+                 qFromBigEndian(data->data3),
+                 data->data4[0], data->data4[1], data->data4[2],
             data->data4[3], data->data4[4], data->data4[5], data->data4[6], data->data4[7]);
 }
 
@@ -515,9 +518,9 @@ void scalarFromQt<UA_QualifiedName, QOpcUaQualifiedName>(const QOpcUaQualifiedNa
 template<>
 void scalarFromQt<UA_Guid, QUuid>(const QUuid &value, UA_Guid *ptr)
 {
-    ptr->data1 = value.data1;
-    ptr->data2 = value.data2;
-    ptr->data3 = value.data3;
+    ptr->data1 = qToBigEndian(value.data1);
+    ptr->data2 = qToBigEndian(value.data2);
+    ptr->data3 = qToBigEndian(value.data3);
     std::memcpy(ptr->data4, value.data4, sizeof(value.data4));
 }
 
diff --git a/src/plugins/opcua/uacpp/quacppvalueconverter.cpp b/src/plugins/opcua/uacpp/quacppvalueconverter.cpp
index 3aac31d..0b2133f 100644
--- a/src/plugins/opcua/uacpp/quacppvalueconverter.cpp
+++ b/src/plugins/opcua/uacpp/quacppvalueconverter.cpp
@@ -186,7 +186,9 @@ template<>
 QVariant scalarToQVariant<QUuid, OpcUa_Guid>(OpcUa_Guid *data, QMetaType::Type type)
 {
     Q_UNUSED(type)
-    return QUuid(data->Data1,    data->Data2,    data->Data3,
+    return QUuid(qFromBigEndian<uint>(data->Data1),
+                 qFromBigEndian(data->Data2),
+                 qFromBigEndian(data->Data3),
                  data->Data4[0], data->Data4[1], data->Data4[2], data->Data4[3],
                  data->Data4[4], data->Data4[5], data->Data4[6], data->Data4[7]);
 }
@@ -529,9 +531,9 @@ template<>
 void scalarFromQVariant<OpcUa_Guid, QUuid>(const QVariant &var, OpcUa_Guid *ptr)
 {
     const QUuid uuid = var.toUuid();
-    ptr->Data1 = uuid.data1;
-    ptr->Data2 = uuid.data2;
-    ptr->Data3 = uuid.data3;
+    ptr->Data1 = qToBigEndian(uuid.data1);
+    ptr->Data2 = qToBigEndian(uuid.data2);
+    ptr->Data3 = qToBigEndian(uuid.data3);
     memcpy(ptr->Data4, uuid.data4, sizeof(uuid.data4));
 }