From 64b696e5176b9672a03f0d2f47cc47236b3551ed Mon Sep 17 00:00:00 2001
From: Sona Kurazyan <sona.kurazyan@qt.io>
Date: Wed, 27 Mar 2019 16:41:48 +0100
Subject: Close the DTLS connection during destruction

Change-Id: Id7bc8ac1506ae543c7964b0bdcacf39588cd7334
Reviewed-by: Karsten Heimrich <karsten.heimrich@qt.io>
---
 src/coap/qcoapqudpconnection.cpp | 10 ++++++++++
 src/coap/qcoapqudpconnection_p.h |  1 +
 2 files changed, 11 insertions(+)

diff --git a/src/coap/qcoapqudpconnection.cpp b/src/coap/qcoapqudpconnection.cpp
index 27a23e0..636554c 100644
--- a/src/coap/qcoapqudpconnection.cpp
+++ b/src/coap/qcoapqudpconnection.cpp
@@ -164,6 +164,16 @@ QCoapQUdpConnectionPrivate::QCoapQUdpConnectionPrivate(QtCoap::SecurityMode secu
 {
 }
 
+QCoapQUdpConnectionPrivate::~QCoapQUdpConnectionPrivate()
+{
+#if QT_CONFIG(dtls)
+    if (dtls && dtls->isConnectionEncrypted()) {
+        Q_ASSERT(udpSocket);
+        dtls->shutdown(udpSocket);
+    }
+#endif
+}
+
 /*!
     \internal
 
diff --git a/src/coap/qcoapqudpconnection_p.h b/src/coap/qcoapqudpconnection_p.h
index 5491b60..587f5a2 100644
--- a/src/coap/qcoapqudpconnection_p.h
+++ b/src/coap/qcoapqudpconnection_p.h
@@ -57,6 +57,7 @@ class Q_AUTOTEST_EXPORT QCoapQUdpConnectionPrivate : public QCoapConnectionPriva
 {
 public:
     QCoapQUdpConnectionPrivate(QtCoap::SecurityMode security = QtCoap::NoSec);
+    ~QCoapQUdpConnectionPrivate() override;
 
     virtual bool bind();
 
-- 
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