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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 QHOSTADDRESS_H
#define QHOSTADDRESS_H
#include <QtNetwork/qtnetworkglobal.h>
#include <QtCore/qpair.h>
#include <QtCore/qstring.h>
#include <QtCore/qshareddata.h>
#if QT_VERSION < QT_VERSION_CHECK(7, 0, 0)
#include <QtNetwork/qabstractsocket.h>
#endif
struct sockaddr;
QT_BEGIN_NAMESPACE
class QHostAddressPrivate;
class QT6_ONLY(Q_NETWORK_EXPORT) QIPv6Address
{
public:
inline quint8 &operator [](int index) { return c[index]; }
inline quint8 operator [](int index) const { return c[index]; }
quint8 c[16];
};
typedef QIPv6Address Q_IPV6ADDR;
class QHostAddress;
// qHash is a friend, but we can't use default arguments for friends (§8.3.6.4)
Q_NETWORK_EXPORT size_t qHash(const QHostAddress &key, size_t seed = 0) noexcept;
class Q_NETWORK_EXPORT QHostAddress
{
Q_GADGET
public:
enum SpecialAddress {
Null,
Broadcast,
LocalHost,
LocalHostIPv6,
Any,
AnyIPv6,
AnyIPv4
};
enum ConversionModeFlag {
ConvertV4MappedToIPv4 = 1,
ConvertV4CompatToIPv4 = 2,
ConvertUnspecifiedAddress = 4,
ConvertLocalHost = 8,
TolerantConversion = 0xff,
StrictConversion = 0
};
Q_DECLARE_FLAGS(ConversionMode, ConversionModeFlag)
#if QT_VERSION < QT_VERSION_CHECK(7, 0, 0)
using NetworkLayerProtocol = QAbstractSocket::NetworkLayerProtocol;
static constexpr auto IPv4Protocol = QAbstractSocket::IPv4Protocol;
static constexpr auto IPv6Protocol = QAbstractSocket::IPv6Protocol;
static constexpr auto AnyIPProtocol = QAbstractSocket::AnyIPProtocol;
static constexpr auto UnknownNetworkLayerProtocol = QAbstractSocket::UnknownNetworkLayerProtocol;
#else
enum NetworkLayerProtocol {
IPv4Protocol,
IPv6Protocol,
AnyIPProtocol,
UnknownNetworkLayerProtocol = -1
};
Q_ENUM(NetworkLayerProtocol)
#endif
QHostAddress();
explicit QHostAddress(quint32 ip4Addr);
explicit QHostAddress(const quint8 *ip6Addr);
explicit QHostAddress(const Q_IPV6ADDR &ip6Addr);
explicit QHostAddress(const sockaddr *address);
explicit QHostAddress(const QString &address);
QHostAddress(const QHostAddress ©);
QHostAddress(SpecialAddress address);
~QHostAddress();
QHostAddress &operator=(QHostAddress &&other) noexcept
{ swap(other); return *this; }
QHostAddress &operator=(const QHostAddress &other);
QHostAddress &operator=(SpecialAddress address);
void swap(QHostAddress &other) noexcept { d.swap(other.d); }
void setAddress(quint32 ip4Addr);
void setAddress(const quint8 *ip6Addr);
void setAddress(const Q_IPV6ADDR &ip6Addr);
void setAddress(const sockaddr *address);
bool setAddress(const QString &address);
void setAddress(SpecialAddress address);
NetworkLayerProtocol protocol() const;
quint32 toIPv4Address(bool *ok = nullptr) const;
Q_IPV6ADDR toIPv6Address() const;
QString toString() const;
QString scopeId() const;
void setScopeId(const QString &id);
bool isEqual(const QHostAddress &address, ConversionMode mode = TolerantConversion) const;
bool operator ==(const QHostAddress &address) const;
bool operator ==(SpecialAddress address) const;
inline bool operator !=(const QHostAddress &address) const
{ return !operator==(address); }
inline bool operator !=(SpecialAddress address) const
{ return !operator==(address); }
bool isNull() const;
void clear();
bool isInSubnet(const QHostAddress &subnet, int netmask) const;
bool isInSubnet(const QPair<QHostAddress, int> &subnet) const;
bool isLoopback() const;
bool isGlobal() const;
bool isLinkLocal() const;
bool isSiteLocal() const;
bool isUniqueLocalUnicast() const;
bool isMulticast() const;
bool isBroadcast() const;
bool isPrivateUse() const;
static QPair<QHostAddress, int> parseSubnet(const QString &subnet);
friend Q_NETWORK_EXPORT size_t qHash(const QHostAddress &key, size_t seed) noexcept;
friend bool operator ==(QHostAddress::SpecialAddress lhs, const QHostAddress &rhs)
{ return rhs == lhs; }
friend bool operator!=(QHostAddress::SpecialAddress lhs, const QHostAddress &rhs)
{ return rhs != lhs; }
protected:
friend class QHostAddressPrivate;
QExplicitlySharedDataPointer<QHostAddressPrivate> d;
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QHostAddress::ConversionMode)
Q_DECLARE_SHARED(QHostAddress)
#ifndef QT_NO_DEBUG_STREAM
Q_NETWORK_EXPORT QDebug operator<<(QDebug, const QHostAddress &);
#endif
#ifndef QT_NO_DATASTREAM
Q_NETWORK_EXPORT QDataStream &operator<<(QDataStream &, const QHostAddress &);
Q_NETWORK_EXPORT QDataStream &operator>>(QDataStream &, QHostAddress &);
#endif
QT_END_NAMESPACE
#endif // QHOSTADDRESS_H
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