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// Copyright (C) 2016 The Qt Company Ltd.
// Copyright (C) 2016 Intel Corporation.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QNATIVESOCKETENGINE_P_H
#define QNATIVESOCKETENGINE_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtNetwork/private/qtnetworkglobal_p.h>
#include "QtNetwork/qhostaddress.h"
#include "QtNetwork/qnetworkinterface.h"
#include "private/qabstractsocketengine_p.h"
#include "qplatformdefs.h"
#ifndef Q_OS_WIN
# include <netinet/in.h>
#else
# include <winsock2.h>
# include <ws2tcpip.h>
# include <mswsock.h>
#endif
QT_BEGIN_NAMESPACE
#ifdef Q_OS_WIN
# define QT_SOCKLEN_T int
# define QT_SOCKOPTLEN_T int
#endif
namespace {
namespace SetSALen {
template <typename T> void set(T *sa, typename std::enable_if<(&T::sa_len, true), QT_SOCKLEN_T>::type len)
{ sa->sa_len = len; }
template <typename T> void set(T *sa, typename std::enable_if<(&T::sin_len, true), QT_SOCKLEN_T>::type len)
{ sa->sin_len = len; }
template <typename T> void set(T *sin6, typename std::enable_if<(&T::sin6_len, true), QT_SOCKLEN_T>::type len)
{ sin6->sin6_len = len; }
template <typename T> void set(T *, ...) {}
}
inline QT_SOCKLEN_T setSockaddr(sockaddr_in *sin, const QHostAddress &addr, quint16 port = 0)
{
*sin = {};
SetSALen::set(sin, sizeof(*sin));
sin->sin_family = AF_INET;
sin->sin_port = htons(port);
sin->sin_addr.s_addr = htonl(addr.toIPv4Address());
return sizeof(*sin);
}
inline QT_SOCKLEN_T setSockaddr(sockaddr_in6 *sin6, const QHostAddress &addr, quint16 port = 0)
{
*sin6 = {};
SetSALen::set(sin6, sizeof(*sin6));
sin6->sin6_family = AF_INET6;
sin6->sin6_port = htons(port);
memcpy(sin6->sin6_addr.s6_addr, addr.toIPv6Address().c, sizeof(sin6->sin6_addr));
#if QT_CONFIG(networkinterface)
sin6->sin6_scope_id = QNetworkInterface::interfaceIndexFromName(addr.scopeId());
#else
// it had better be a number then, if it is not empty
sin6->sin6_scope_id = addr.scopeId().toUInt();
#endif
return sizeof(*sin6);
}
inline QT_SOCKLEN_T setSockaddr(sockaddr *sa, const QHostAddress &addr, quint16 port = 0)
{
switch (addr.protocol()) {
case QHostAddress::IPv4Protocol:
return setSockaddr(reinterpret_cast<sockaddr_in *>(sa), addr, port);
case QHostAddress::IPv6Protocol:
case QHostAddress::AnyIPProtocol:
return setSockaddr(reinterpret_cast<sockaddr_in6 *>(sa), addr, port);
case QHostAddress::UnknownNetworkLayerProtocol:
break;
}
*sa = {};
sa->sa_family = AF_UNSPEC;
return 0;
}
} // unnamed namespace
class QNativeSocketEnginePrivate;
#ifndef QT_NO_NETWORKINTERFACE
class QNetworkInterface;
#endif
class Q_AUTOTEST_EXPORT QNativeSocketEngine : public QAbstractSocketEngine
{
Q_OBJECT
public:
QNativeSocketEngine(QObject *parent = nullptr);
~QNativeSocketEngine();
bool initialize(QAbstractSocket::SocketType type, QAbstractSocket::NetworkLayerProtocol protocol = QAbstractSocket::IPv4Protocol) override;
bool initialize(qintptr socketDescriptor, QAbstractSocket::SocketState socketState = QAbstractSocket::ConnectedState) override;
qintptr socketDescriptor() const override;
bool isValid() const override;
bool connectToHost(const QHostAddress &address, quint16 port) override;
bool connectToHostByName(const QString &name, quint16 port) override;
bool bind(const QHostAddress &address, quint16 port) override;
bool listen(int backlog) override;
qintptr accept() override;
void close() override;
qint64 bytesAvailable() const override;
qint64 read(char *data, qint64 maxlen) override;
qint64 write(const char *data, qint64 len) override;
#ifndef QT_NO_UDPSOCKET
#ifndef QT_NO_NETWORKINTERFACE
bool joinMulticastGroup(const QHostAddress &groupAddress,
const QNetworkInterface &iface) override;
bool leaveMulticastGroup(const QHostAddress &groupAddress,
const QNetworkInterface &iface) override;
QNetworkInterface multicastInterface() const override;
bool setMulticastInterface(const QNetworkInterface &iface) override;
#endif
bool hasPendingDatagrams() const override;
qint64 pendingDatagramSize() const override;
#endif // QT_NO_UDPSOCKET
qint64 readDatagram(char *data, qint64 maxlen, QIpPacketHeader * = nullptr,
PacketHeaderOptions = WantNone) override;
qint64 writeDatagram(const char *data, qint64 len, const QIpPacketHeader &) override;
qint64 bytesToWrite() const override;
#if 0 // currently unused
qint64 receiveBufferSize() const;
void setReceiveBufferSize(qint64 bufferSize);
qint64 sendBufferSize() const;
void setSendBufferSize(qint64 bufferSize);
#endif
int option(SocketOption option) const override;
bool setOption(SocketOption option, int value) override;
bool waitForRead(QDeadlineTimer deadline = QDeadlineTimer{DefaultTimeout},
bool *timedOut = nullptr) override;
bool waitForWrite(QDeadlineTimer deadline = QDeadlineTimer{DefaultTimeout},
bool *timedOut = nullptr) override;
bool waitForReadOrWrite(bool *readyToRead, bool *readyToWrite,
bool checkRead, bool checkWrite,
QDeadlineTimer deadline = QDeadlineTimer{DefaultTimeout},
bool *timedOut = nullptr) override;
bool isReadNotificationEnabled() const override;
void setReadNotificationEnabled(bool enable) override;
bool isWriteNotificationEnabled() const override;
void setWriteNotificationEnabled(bool enable) override;
bool isExceptionNotificationEnabled() const override;
void setExceptionNotificationEnabled(bool enable) override;
public Q_SLOTS:
// non-virtual override;
void connectionNotification();
private:
Q_DECLARE_PRIVATE(QNativeSocketEngine)
Q_DISABLE_COPY_MOVE(QNativeSocketEngine)
};
QT_END_NAMESPACE
#endif // QNATIVESOCKETENGINE_P_H
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