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50#ifndef ASSOCIATION_H
51#define ASSOCIATION_H
52
53#include <QtNetwork>
54#include <QtCore>
55
56QT_BEGIN_NAMESPACE
57
58//! [0]
59class DtlsAssociation : public QObject
60{
61 Q_OBJECT
62
63public:
64 DtlsAssociation(const QHostAddress &address, quint16 port,
65 const QString &connectionName);
66 ~DtlsAssociation();
67 void startHandshake();
68
69signals:
70 void errorMessage(const QString &message);
71 void warningMessage(const QString &message);
72 void infoMessage(const QString &message);
73 void serverResponse(const QString &clientInfo, const QByteArray &datagraam,
74 const QByteArray &plainText);
75
76private slots:
77 void udpSocketConnected();
78 void readyRead();
79 void handshakeTimeout();
80 void pskRequired(QSslPreSharedKeyAuthenticator *auth);
81 void pingTimeout();
82
83private:
84 QString name;
85 QUdpSocket socket;
86 QDtls crypto;
87
88 QTimer pingTimer;
89 unsigned ping = 0;
90
91 Q_DISABLE_COPY(DtlsAssociation)
92};
93//! [0]
94
95QT_END_NAMESPACE
96
97#endif // ASSOCIATION_H
98

source code of qtbase/examples/network/secureudpclient/association.h