1 files changed, 47 insertions, 6 deletions

diff --git a/src/knx/netip/qknxnetipsessionresponse.cpp b/src/knx/netip/qknxnetipsessionresponse.cpp
index 7c01050..b9ea89e 100644
--- a/src/knx/netip/qknxnetipsessionresponse.cpp
+++ b/src/knx/netip/qknxnetipsessionresponse.cpp
@@ -184,6 +184,29 @@ QKnxNetIpSessionResponseProxy::Builder QKnxNetIpSessionResponseProxy::builder()
     \sa QKnxCryptographicEngine
 */
 
+class QKnxNetIpSessionResponseBuilderPrivate : public QSharedData
+{
+public:
+    QKnxNetIpSessionResponseBuilderPrivate() = default;
+    ~QKnxNetIpSessionResponseBuilderPrivate() = default;
+
+    qint32 m_id { -1 };
+    QKnxByteArray m_publicKey;
+    QKnxByteArray m_authCode;
+};
+
+/*!
+    Creates a new empty session response builder object.
+*/
+QKnxNetIpSessionResponseProxy::Builder::Builder()
+    : d_ptr(new QKnxNetIpSessionResponseBuilderPrivate)
+{}
+
+/*!
+    Destroys the object and frees any allocated resources.
+*/
+QKnxNetIpSessionResponseProxy::Builder::~Builder() = default;
+
 /*!
     Sets the secure session ID of the KNXnet/IP session response frame to
     \a sessionId and returns a reference to the builder.
@@ -191,7 +214,7 @@ QKnxNetIpSessionResponseProxy::Builder QKnxNetIpSessionResponseProxy::builder()
 QKnxNetIpSessionResponseProxy::Builder &
     QKnxNetIpSessionResponseProxy::Builder::setSecureSessionId(quint16 sessionId)
 {
-    m_id = sessionId;
+    d_ptr->m_id = sessionId;
     return *this;
 }
 
@@ -203,7 +226,7 @@ QKnxNetIpSessionResponseProxy::Builder &
 QKnxNetIpSessionResponseProxy::Builder &
     QKnxNetIpSessionResponseProxy::Builder::setPublicKey(const QKnxByteArray &publicKey)
 {
-    m_publicKey = publicKey;
+    d_ptr->m_publicKey = publicKey;
     return *this;
 }
 
@@ -215,7 +238,7 @@ QKnxNetIpSessionResponseProxy::Builder &
 QKnxNetIpSessionResponseProxy::Builder &
     QKnxNetIpSessionResponseProxy::Builder::setMessageAuthenticationCode(const QKnxByteArray &data)
 {
-    m_authCode = data;
+    d_ptr->m_authCode = data;
     return *this;
 }
 
@@ -229,10 +252,28 @@ QKnxNetIpSessionResponseProxy::Builder &
 */
 QKnxNetIpFrame QKnxNetIpSessionResponseProxy::Builder::create() const
 {
-    if (m_id < 0 || m_publicKey.size() != 32 || m_authCode.size() != 16)
+    if (d_ptr->m_id < 0 || d_ptr->m_publicKey.size() != 32 || d_ptr->m_authCode.size() != 16)
         return { QKnxNetIp::ServiceType::SessionResponse };
-    return { QKnxNetIp::ServiceType::SessionResponse, QKnxUtils::QUint16::bytes(m_id) + m_publicKey
-        + m_authCode };
+
+    return { QKnxNetIp::ServiceType::SessionResponse, QKnxUtils::QUint16::bytes(d_ptr->m_id)
+        + d_ptr->m_publicKey + d_ptr->m_authCode };
+}
+
+/*!
+    Constructs a copy of \a other.
+*/
+QKnxNetIpSessionResponseProxy::Builder::Builder(const Builder &other)
+    : d_ptr(other.d_ptr)
+{}
+
+/*!
+    Assigns the specified \a other to this object.
+*/
+QKnxNetIpSessionResponseProxy::Builder &
+    QKnxNetIpSessionResponseProxy::Builder::operator=(const Builder &other)
+{
+    d_ptr = other.d_ptr;
+    return *this;
 }
 
 QT_END_NAMESPACE