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// Copyright (C) 2018 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef SERVER_H
#define SERVER_H
#include <QtCore>
#include <QtNetwork>
#include <vector>
#include <memory>
QT_BEGIN_NAMESPACE
//! [0]
class DtlsServer : public QObject
{
Q_OBJECT
public:
DtlsServer();
~DtlsServer();
bool listen(const QHostAddress &address, quint16 port);
bool isListening() const;
void close();
signals:
void errorMessage(const QString &message);
void warningMessage(const QString &message);
void infoMessage(const QString &message);
void datagramReceived(const QString &peerInfo, const QByteArray &cipherText,
const QByteArray &plainText);
private slots:
void readyRead();
void pskRequired(QSslPreSharedKeyAuthenticator *auth);
private:
void handleNewConnection(const QHostAddress &peerAddress, quint16 peerPort,
const QByteArray &clientHello);
void doHandshake(QDtls *newConnection, const QByteArray &clientHello);
void decryptDatagram(QDtls *connection, const QByteArray &clientMessage);
void shutdown();
bool listening = false;
QUdpSocket serverSocket;
QSslConfiguration serverConfiguration;
QDtlsClientVerifier cookieSender;
std::vector<std::unique_ptr<QDtls>> knownClients;
Q_DISABLE_COPY(DtlsServer)
};
//! [0]
QT_END_NAMESPACE
#endif // SERVER_H
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