Add Qt libs and headers

paho-mqtt3as-proxy/Qt/include/QtNetwork/qudpsocket.h

@@ -0,0 +1,65 @@
+// Copyright (C) 2016 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
+
+#ifndef QUDPSOCKET_H
+#define QUDPSOCKET_H
+
+#include <QtNetwork/qtnetworkglobal.h>
+#include <QtNetwork/qabstractsocket.h>
+#include <QtNetwork/qhostaddress.h>
+
+QT_BEGIN_NAMESPACE
+
+
+#ifndef QT_NO_UDPSOCKET
+
+class QNetworkDatagram;
+class QNetworkInterface;
+class QUdpSocketPrivate;
+
+class Q_NETWORK_EXPORT QUdpSocket : public QAbstractSocket
+{
+    Q_OBJECT
+public:
+    explicit QUdpSocket(QObject *parent = nullptr);
+    virtual ~QUdpSocket();
+
+#if QT_VERSION < QT_VERSION_CHECK(7,0,0) && !defined(Q_QDOC)
+    // ### Qt7: move into QAbstractSocket
+    using QAbstractSocket::bind;
+    bool bind(QHostAddress::SpecialAddress addr, quint16 port = 0, BindMode mode = DefaultForPlatform)
+    { return bind(QHostAddress(addr), port, mode); }
+#endif
+
+#ifndef QT_NO_NETWORKINTERFACE
+    bool joinMulticastGroup(const QHostAddress &groupAddress);
+    bool joinMulticastGroup(const QHostAddress &groupAddress,
+                            const QNetworkInterface &iface);
+    bool leaveMulticastGroup(const QHostAddress &groupAddress);
+    bool leaveMulticastGroup(const QHostAddress &groupAddress,
+                             const QNetworkInterface &iface);
+
+    QNetworkInterface multicastInterface() const;
+    void setMulticastInterface(const QNetworkInterface &iface);
+#endif
+
+    bool hasPendingDatagrams() const;
+    qint64 pendingDatagramSize() const;
+    QNetworkDatagram receiveDatagram(qint64 maxSize = -1);
+    qint64 readDatagram(char *data, qint64 maxlen, QHostAddress *host = nullptr, quint16 *port = nullptr);
+
+    qint64 writeDatagram(const QNetworkDatagram &datagram);
+    qint64 writeDatagram(const char *data, qint64 len, const QHostAddress &host, quint16 port);
+    inline qint64 writeDatagram(const QByteArray &datagram, const QHostAddress &host, quint16 port)
+        { return writeDatagram(datagram.constData(), datagram.size(), host, port); }
+
+private:
+    Q_DISABLE_COPY_MOVE(QUdpSocket)
+    Q_DECLARE_PRIVATE(QUdpSocket)
+};
+
+#endif // QT_NO_UDPSOCKET
+
+QT_END_NAMESPACE
+
+#endif // QUDPSOCKET_H