| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QHOSTINFO_H |
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| 5 | #define QHOSTINFO_H |
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| 6 | |
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| 7 | #include <QtNetwork/qtnetworkglobal.h> |
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| 8 | #include <QtCore/qlist.h> |
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| 9 | #include <QtCore/qscopedpointer.h> |
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| 10 | #include <QtNetwork/qhostaddress.h> |
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| 11 | |
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| 12 | QT_BEGIN_NAMESPACE |
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| 13 | |
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| 14 | |
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| 15 | class QObject; |
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| 16 | class QHostInfoPrivate; |
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| 17 | |
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| 18 | class Q_NETWORK_EXPORT QHostInfo |
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| 19 | { |
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| 20 | Q_GADGET |
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| 21 | public: |
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| 22 | enum HostInfoError { |
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| 23 | NoError, |
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| 24 | HostNotFound, |
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| 25 | UnknownError |
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| 26 | }; |
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| 27 | |
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| 28 | explicit QHostInfo(int lookupId = -1); |
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| 29 | QHostInfo(const QHostInfo &d); |
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| 30 | QHostInfo(QHostInfo &&other) noexcept : d_ptr(std::exchange(obj&: other.d_ptr, new_val: nullptr)) {} |
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| 31 | QHostInfo &operator=(const QHostInfo &d); |
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| 32 | QHostInfo &operator=(QHostInfo &&other) noexcept { swap(other); return *this; } |
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| 33 | ~QHostInfo(); |
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| 34 | |
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| 35 | void swap(QHostInfo &other) noexcept { qt_ptr_swap(lhs&: d_ptr, rhs&: other.d_ptr); } |
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| 36 | |
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| 37 | QString hostName() const; |
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| 38 | void setHostName(const QString &name); |
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| 39 | |
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| 40 | QList<QHostAddress> addresses() const; |
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| 41 | void setAddresses(const QList<QHostAddress> &addresses); |
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| 42 | |
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| 43 | HostInfoError error() const; |
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| 44 | void setError(HostInfoError error); |
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| 45 | |
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| 46 | QString errorString() const; |
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| 47 | void setErrorString(const QString &errorString); |
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| 48 | |
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| 49 | void setLookupId(int id); |
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| 50 | int lookupId() const; |
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| 51 | |
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| 52 | #if QT_NETWORK_REMOVED_SINCE(6, 7) |
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| 53 | static int lookupHost(const QString &name, QObject *receiver, const char *member); |
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| 54 | #endif |
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| 55 | static int lookupHost(const QString &name, const QObject *receiver, const char *member); |
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| 56 | static void abortHostLookup(int lookupId); |
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| 57 | |
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| 58 | static QHostInfo fromName(const QString &name); |
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| 59 | static QString localHostName(); |
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| 60 | static QString localDomainName(); |
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| 61 | |
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| 62 | #ifdef Q_QDOC |
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| 63 | template<typename Functor> |
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| 64 | static int lookupHost(const QString &name, const QObject *context, Functor functor); |
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| 65 | #else |
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| 66 | // lookupHost to a callable (with context) |
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| 67 | template <typename Functor> |
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| 68 | static inline int lookupHost(const QString &name, |
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| 69 | const typename QtPrivate::ContextTypeForFunctor<Functor>::ContextType *receiver, |
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| 70 | Functor &&func) |
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| 71 | { |
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| 72 | using Prototype = void(*)(QHostInfo); |
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| 73 | QtPrivate::AssertCompatibleFunctions<Prototype, Functor>(); |
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| 74 | return lookupHostImpl(name, receiver, |
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| 75 | slotObj: QtPrivate::makeCallableObject<Prototype>(std::forward<Functor>(func)), |
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| 76 | member: nullptr); |
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| 77 | } |
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| 78 | #endif // Q_QDOC |
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| 79 | |
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| 80 | #ifndef QT_NO_CONTEXTLESS_CONNECT |
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| 81 | // lookupHost to a callable (without context) |
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| 82 | template <typename Functor> |
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| 83 | static inline int lookupHost(const QString &name, Functor &&slot) |
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| 84 | { |
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| 85 | return lookupHost(name, nullptr, std::forward<Functor>(slot)); |
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| 86 | } |
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| 87 | #endif // QT_NO_CONTEXTLESS_CONNECT |
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| 88 | |
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| 89 | private: |
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| 90 | QHostInfoPrivate *d_ptr; |
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| 91 | Q_DECLARE_PRIVATE(QHostInfo) |
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| 92 | |
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| 93 | static int lookupHostImpl(const QString &name, |
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| 94 | const QObject *receiver, |
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| 95 | QtPrivate::QSlotObjectBase *slotObj, |
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| 96 | const char *member); |
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| 97 | |
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| 98 | friend QHostInfo Q_NETWORK_EXPORT qt_qhostinfo_lookup(const QString &name, QObject *receiver, |
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| 99 | const char *member, bool *valid, int *id); |
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| 100 | }; |
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| 101 | |
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| 102 | Q_DECLARE_SHARED(QHostInfo) |
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| 103 | |
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| 104 | QT_END_NAMESPACE |
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| 105 | |
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| 106 | QT_DECL_METATYPE_EXTERN(QHostInfo, Q_NETWORK_EXPORT) |
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| 107 | |
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| 108 | #endif // QHOSTINFO_H |
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| 109 | |
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