diff options
Diffstat (limited to 'src/network/kernel/qhostinfo.cpp')
| -rw-r--r-- | src/network/kernel/qhostinfo.cpp | 425 |
1 files changed, 292 insertions, 133 deletions
diff --git a/src/network/kernel/qhostinfo.cpp b/src/network/kernel/qhostinfo.cpp index f4348b690e..f9335c3bb9 100644 --- a/src/network/kernel/qhostinfo.cpp +++ b/src/network/kernel/qhostinfo.cpp @@ -37,13 +37,17 @@ ** ****************************************************************************/ +//#define QHOSTINFO_DEBUG + #include "qhostinfo.h" #include "qhostinfo_p.h" +#include <qplatformdefs.h> #include "QtCore/qscopedpointer.h" #include <qabstracteventdispatcher.h> #include <qcoreapplication.h> #include <qmetaobject.h> +#include <qscopeguard.h> #include <qstringlist.h> #include <qthread.h> #include <qurl.h> @@ -53,6 +57,15 @@ #ifdef Q_OS_UNIX # include <unistd.h> +# include <netdb.h> +# include <netinet/in.h> +# if defined(AI_ADDRCONFIG) +# define Q_ADDRCONFIG AI_ADDRCONFIG +# endif +#elif defined Q_OS_WIN +# include <ws2tcpip.h> + +# define QT_SOCKLEN_T int #endif QT_BEGIN_NAMESPACE @@ -64,8 +77,8 @@ Q_GLOBAL_STATIC(QHostInfoLookupManager, theHostInfoLookupManager) namespace { struct ToBeLookedUpEquals { typedef bool result_type; - explicit ToBeLookedUpEquals(const QString &toBeLookedUp) Q_DECL_NOTHROW : m_toBeLookedUp(toBeLookedUp) {} - result_type operator()(QHostInfoRunnable* lookup) const Q_DECL_NOTHROW + explicit ToBeLookedUpEquals(const QString &toBeLookedUp) noexcept : m_toBeLookedUp(toBeLookedUp) {} + result_type operator()(QHostInfoRunnable* lookup) const noexcept { return m_toBeLookedUp == lookup->toBeLookedUp; } @@ -73,13 +86,6 @@ private: QString m_toBeLookedUp; }; -// ### C++11: remove once we can use std::any_of() -template<class InputIt, class UnaryPredicate> -bool any_of(InputIt first, InputIt last, UnaryPredicate p) -{ - return std::find_if(first, last, p) != last; -} - template <typename InputIt, typename OutputIt1, typename OutputIt2, typename UnaryPredicate> std::pair<OutputIt1, OutputIt2> separate_if(InputIt first, InputIt last, OutputIt1 dest1, OutputIt2 dest2, UnaryPredicate p) { @@ -96,16 +102,6 @@ std::pair<OutputIt1, OutputIt2> separate_if(InputIt first, InputIt last, OutputI return std::make_pair(dest1, dest2); } -int get_signal_index() -{ - static auto senderMetaObject = &QHostInfoResult::staticMetaObject; - static auto signal = &QHostInfoResult::resultsReady; - int signal_index = -1; - void *args[] = { &signal_index, &signal }; - senderMetaObject->static_metacall(QMetaObject::IndexOfMethod, 0, args); - return signal_index + QMetaObjectPrivate::signalOffset(senderMetaObject); -} - } /* @@ -123,38 +119,59 @@ void QHostInfoResult::postResultsReady(const QHostInfo &info) { // queued connection will take care of dispatching to right thread if (!slotObj) { - emitResultsReady(info); + emit resultsReady(info); return; } - static const int signal_index = get_signal_index(); - // we used to have a context object, but it's already destroyed if (withContextObject && !receiver) return; - /* QHostInfoResult c'tor moves the result object to the thread of receiver. - If we don't have a receiver, then the result object will not live in a - thread that runs an event loop - so move it to this' thread, which is the thread - that initiated the lookup, and required to have a running event loop. */ - auto result = new QHostInfoResult(receiver, slotObj); - if (!receiver) - result->moveToThread(thread()); + static const int signal_index = []() -> int { + auto senderMetaObject = &QHostInfoResult::staticMetaObject; + auto signal = &QHostInfoResult::resultsReady; + int signal_index = -1; + void *args[] = { &signal_index, &signal }; + senderMetaObject->static_metacall(QMetaObject::IndexOfMethod, 0, args); + return signal_index + QMetaObjectPrivate::signalOffset(senderMetaObject); + }(); + + // a long-living version of this + auto result = new QHostInfoResult(this); Q_CHECK_PTR(result); + const int nargs = 2; - auto types = reinterpret_cast<int *>(malloc(nargs * sizeof(int))); - Q_CHECK_PTR(types); + auto metaCallEvent = new QMetaCallEvent(slotObj, nullptr, signal_index, nargs); + Q_CHECK_PTR(metaCallEvent); + void **args = metaCallEvent->args(); + int *types = metaCallEvent->types(); types[0] = QMetaType::type("void"); types[1] = QMetaType::type("QHostInfo"); - auto args = reinterpret_cast<void **>(malloc(nargs * sizeof(void *))); - Q_CHECK_PTR(args); - args[0] = 0; + args[0] = nullptr; args[1] = QMetaType::create(types[1], &info); Q_CHECK_PTR(args[1]); - auto metaCallEvent = new QMetaCallEvent(slotObj, nullptr, signal_index, nargs, types, args); - Q_CHECK_PTR(metaCallEvent); qApp->postEvent(result, metaCallEvent); } +/* + Receives the event posted by postResultsReady, and calls the functor. +*/ +bool QHostInfoResult::event(QEvent *event) +{ + if (event->type() == QEvent::MetaCall) { + Q_ASSERT(slotObj); + auto metaCallEvent = static_cast<QMetaCallEvent *>(event); + auto args = metaCallEvent->args(); + // we didn't have a context object, or it's still alive + if (!withContextObject || receiver) + slotObj->call(const_cast<QObject*>(receiver.data()), args); + slotObj->destroyIfLastRef(); + + deleteLater(); + return true; + } + return QObject::event(event); +} + /*! \class QHostInfo \brief The QHostInfo class provides static functions for host name lookups. @@ -249,64 +266,9 @@ static int nextId() \sa abortHostLookup(), addresses(), error(), fromName() */ -int QHostInfo::lookupHost(const QString &name, QObject *receiver, - const char *member) +int QHostInfo::lookupHost(const QString &name, QObject *receiver, const char *member) { -#if defined QHOSTINFO_DEBUG - qDebug("QHostInfo::lookupHost(\"%s\", %p, %s)", - name.toLatin1().constData(), receiver, member ? member + 1 : 0); -#endif - - if (!QAbstractEventDispatcher::instance(QThread::currentThread())) { - qWarning("QHostInfo::lookupHost() called with no event dispatcher"); - return -1; - } - - qRegisterMetaType<QHostInfo>(); - - int id = nextId(); // generate unique ID - - if (name.isEmpty()) { - if (!receiver) - return -1; - - QHostInfo hostInfo(id); - hostInfo.setError(QHostInfo::HostNotFound); - hostInfo.setErrorString(QCoreApplication::translate("QHostInfo", "No host name given")); - QScopedPointer<QHostInfoResult> result(new QHostInfoResult); - QObject::connect(result.data(), SIGNAL(resultsReady(QHostInfo)), - receiver, member, Qt::QueuedConnection); - result.data()->emitResultsReady(hostInfo); - return id; - } - - QHostInfoLookupManager *manager = theHostInfoLookupManager(); - - if (manager) { - // the application is still alive - if (manager->cache.isEnabled()) { - // check cache first - bool valid = false; - QHostInfo info = manager->cache.get(name, &valid); - if (valid) { - if (!receiver) - return -1; - - info.setLookupId(id); - QHostInfoResult result; - QObject::connect(&result, SIGNAL(resultsReady(QHostInfo)), receiver, member, Qt::QueuedConnection); - result.emitResultsReady(info); - return id; - } - } - - // cache is not enabled or it was not in the cache, do normal lookup - QHostInfoRunnable* runnable = new QHostInfoRunnable(name, id); - if (receiver) - QObject::connect(&runnable->resultEmitter, SIGNAL(resultsReady(QHostInfo)), receiver, member, Qt::QueuedConnection); - manager->scheduleLookup(runnable); - } - return id; + return QHostInfoPrivate::lookupHostImpl(name, receiver, nullptr, member); } /*! @@ -416,7 +378,7 @@ QHostInfo QHostInfo::fromName(const QString &name) #endif QHostInfo hostInfo = QHostInfoAgent::fromName(name); - QAbstractHostInfoLookupManager* manager = theHostInfoLookupManager(); + QHostInfoLookupManager* manager = theHostInfoLookupManager(); manager->cache.put(name, hostInfo); return hostInfo; } @@ -429,7 +391,7 @@ QHostInfo QHostInfoPrivate::fromName(const QString &name, QSharedPointer<QNetwor #endif QHostInfo hostInfo = QHostInfoAgent::fromName(name, session); - QAbstractHostInfoLookupManager* manager = theHostInfoLookupManager(); + QHostInfoLookupManager* manager = theHostInfoLookupManager(); manager->cache.put(name, hostInfo); return hostInfo; } @@ -442,6 +404,162 @@ QHostInfo QHostInfoAgent::fromName(const QString &hostName, QSharedPointer<QNetw } #endif +QHostInfo QHostInfoAgent::reverseLookup(const QHostAddress &address) +{ + QHostInfo results; + // Reverse lookup + sockaddr_in sa4; + sockaddr_in6 sa6; + sockaddr *sa = 0; + QT_SOCKLEN_T saSize; + if (address.protocol() == QAbstractSocket::IPv4Protocol) { + sa = reinterpret_cast<sockaddr *>(&sa4); + saSize = sizeof(sa4); + memset(&sa4, 0, sizeof(sa4)); + sa4.sin_family = AF_INET; + sa4.sin_addr.s_addr = htonl(address.toIPv4Address()); + } else { + sa = reinterpret_cast<sockaddr *>(&sa6); + saSize = sizeof(sa6); + memset(&sa6, 0, sizeof(sa6)); + sa6.sin6_family = AF_INET6; + memcpy(&sa6.sin6_addr, address.toIPv6Address().c, sizeof(sa6.sin6_addr)); + } + + char hbuf[NI_MAXHOST]; + if (sa && getnameinfo(sa, saSize, hbuf, sizeof(hbuf), nullptr, 0, 0) == 0) + results.setHostName(QString::fromLatin1(hbuf)); + + if (results.hostName().isEmpty()) + results.setHostName(address.toString()); + results.setAddresses(QList<QHostAddress>() << address); + + return results; +} + +/* + Call getaddrinfo, and returns the results as QHostInfo::addresses +*/ +QHostInfo QHostInfoAgent::lookup(const QString &hostName) +{ + QHostInfo results; + + // IDN support + QByteArray aceHostname = QUrl::toAce(hostName); + results.setHostName(hostName); + if (aceHostname.isEmpty()) { + results.setError(QHostInfo::HostNotFound); + results.setErrorString(hostName.isEmpty() ? + QCoreApplication::translate("QHostInfoAgent", "No host name given") : + QCoreApplication::translate("QHostInfoAgent", "Invalid hostname")); + return results; + } + + addrinfo *res = 0; + struct addrinfo hints; + memset(&hints, 0, sizeof(hints)); + hints.ai_family = PF_UNSPEC; +#ifdef Q_ADDRCONFIG + hints.ai_flags = Q_ADDRCONFIG; +#endif + + int result = getaddrinfo(aceHostname.constData(), nullptr, &hints, &res); +# ifdef Q_ADDRCONFIG + if (result == EAI_BADFLAGS) { + // if the lookup failed with AI_ADDRCONFIG set, try again without it + hints.ai_flags = 0; + result = getaddrinfo(aceHostname.constData(), nullptr, &hints, &res); + } +# endif + + if (result == 0) { + addrinfo *node = res; + QList<QHostAddress> addresses; + while (node) { +#ifdef QHOSTINFO_DEBUG + qDebug() << "getaddrinfo node: flags:" << node->ai_flags << "family:" << node->ai_family + << "ai_socktype:" << node->ai_socktype << "ai_protocol:" << node->ai_protocol + << "ai_addrlen:" << node->ai_addrlen; +#endif + switch (node->ai_family) { + case AF_INET: { + QHostAddress addr; + addr.setAddress(ntohl(((sockaddr_in *) node->ai_addr)->sin_addr.s_addr)); + if (!addresses.contains(addr)) + addresses.append(addr); + break; + } + case AF_INET6: { + QHostAddress addr; + sockaddr_in6 *sa6 = (sockaddr_in6 *) node->ai_addr; + addr.setAddress(sa6->sin6_addr.s6_addr); + if (sa6->sin6_scope_id) + addr.setScopeId(QString::number(sa6->sin6_scope_id)); + if (!addresses.contains(addr)) + addresses.append(addr); + break; + } + default: + results.setError(QHostInfo::UnknownError); + results.setErrorString(QCoreApplication::translate("QHostInfoAgent", "Unknown address type")); + } + node = node->ai_next; + } + if (addresses.isEmpty()) { + // Reached the end of the list, but no addresses were found; this + // means the list contains one or more unknown address types. + results.setError(QHostInfo::UnknownError); + results.setErrorString(QCoreApplication::translate("QHostInfoAgent", "Unknown address type")); + } + + results.setAddresses(addresses); + freeaddrinfo(res); + } else { + switch (result) { +#ifdef Q_OS_WIN + case WSAHOST_NOT_FOUND: //authoritative not found + case WSATRY_AGAIN: //non authoritative not found + case WSANO_DATA: //valid name, no associated address +#else + case EAI_NONAME: + case EAI_FAIL: +# ifdef EAI_NODATA // EAI_NODATA is deprecated in RFC 3493 + case EAI_NODATA: +# endif +#endif + results.setError(QHostInfo::HostNotFound); + results.setErrorString(QCoreApplication::translate("QHostInfoAgent", "Host not found")); + break; + default: + results.setError(QHostInfo::UnknownError); +#ifdef Q_OS_WIN + results.setErrorString(QString::fromWCharArray(gai_strerror(result))); +#else + results.setErrorString(QString::fromLocal8Bit(gai_strerror(result))); +#endif + break; + } + } + +#if defined(QHOSTINFO_DEBUG) + if (results.error() != QHostInfo::NoError) { + qDebug("QHostInfoAgent::fromName(): error #%d %s", + h_errno, results.errorString().toLatin1().constData()); + } else { + QString tmp; + QList<QHostAddress> addresses = results.addresses(); + for (int i = 0; i < addresses.count(); ++i) { + if (i != 0) tmp += QLatin1String(", "); + tmp += addresses.at(i).toString(); + } + qDebug("QHostInfoAgent::fromName(): found %i entries for \"%s\": {%s}", + addresses.count(), aceHostname.constData(), + tmp.toLatin1().constData()); + } +#endif + + return results; +} /*! \enum QHostInfo::HostInfoError @@ -462,8 +580,9 @@ QHostInfo QHostInfoAgent::fromName(const QString &hostName, QSharedPointer<QNetw \sa lookupId() */ QHostInfo::QHostInfo(int id) - : d(new QHostInfoPrivate) + : d_ptr(new QHostInfoPrivate) { + Q_D(QHostInfo); d->lookupId = id; } @@ -471,17 +590,32 @@ QHostInfo::QHostInfo(int id) Constructs a copy of \a other. */ QHostInfo::QHostInfo(const QHostInfo &other) - : d(new QHostInfoPrivate(*other.d.data())) + : d_ptr(new QHostInfoPrivate(*other.d_ptr)) { } /*! + \fn QHostInfo(QHostInfo &&other) + + Move-constructs a new QHostInfo from \a other. + + \note The moved-from object \a other is placed in a + partially-formed state, in which the only valid operations are + destruction and assignment of a new value. + + \since 5.14 +*/ + +/*! Assigns the data of the \a other object to this host info object, and returns a reference to it. */ QHostInfo &QHostInfo::operator=(const QHostInfo &other) { - *d.data() = *other.d.data(); + if (d_ptr) + *d_ptr = *other.d_ptr; + else + d_ptr = new QHostInfoPrivate(*other.d_ptr); return *this; } @@ -490,6 +624,7 @@ QHostInfo &QHostInfo::operator=(const QHostInfo &other) */ QHostInfo::~QHostInfo() { + delete d_ptr; } /*! @@ -504,6 +639,7 @@ QHostInfo::~QHostInfo() */ QList<QHostAddress> QHostInfo::addresses() const { + Q_D(const QHostInfo); return d->addrs; } @@ -514,6 +650,7 @@ QList<QHostAddress> QHostInfo::addresses() const */ void QHostInfo::setAddresses(const QList<QHostAddress> &addresses) { + Q_D(QHostInfo); d->addrs = addresses; } @@ -524,6 +661,7 @@ void QHostInfo::setAddresses(const QList<QHostAddress> &addresses) */ QString QHostInfo::hostName() const { + Q_D(const QHostInfo); return d->hostName; } @@ -534,6 +672,7 @@ QString QHostInfo::hostName() const */ void QHostInfo::setHostName(const QString &hostName) { + Q_D(QHostInfo); d->hostName = hostName; } @@ -545,6 +684,7 @@ void QHostInfo::setHostName(const QString &hostName) */ QHostInfo::HostInfoError QHostInfo::error() const { + Q_D(const QHostInfo); return d->err; } @@ -555,6 +695,7 @@ QHostInfo::HostInfoError QHostInfo::error() const */ void QHostInfo::setError(HostInfoError error) { + Q_D(QHostInfo); d->err = error; } @@ -565,6 +706,7 @@ void QHostInfo::setError(HostInfoError error) */ int QHostInfo::lookupId() const { + Q_D(const QHostInfo); return d->lookupId; } @@ -575,6 +717,7 @@ int QHostInfo::lookupId() const */ void QHostInfo::setLookupId(int id) { + Q_D(QHostInfo); d->lookupId = id; } @@ -586,6 +729,7 @@ void QHostInfo::setLookupId(int id) */ QString QHostInfo::errorString() const { + Q_D(const QHostInfo); return d->errorStr; } @@ -597,6 +741,7 @@ QString QHostInfo::errorString() const */ void QHostInfo::setErrorString(const QString &str) { + Q_D(QHostInfo); d->errorStr = str; } @@ -631,14 +776,32 @@ QString QHostInfo::localHostName() \sa hostName() */ +// ### Qt 6 merge with function below int QHostInfo::lookupHostImpl(const QString &name, const QObject *receiver, QtPrivate::QSlotObjectBase *slotObj) { + return QHostInfoPrivate::lookupHostImpl(name, receiver, slotObj, nullptr); +} +/* + Called by the various lookupHost overloads to perform the lookup. + + Signals either the functor encapuslated in the \a slotObj in the context + of \a receiver, or the \a member slot of the \a receiver. + + \a receiver might be the nullptr, but only if a \a slotObj is provided. +*/ +int QHostInfoPrivate::lookupHostImpl(const QString &name, + const QObject *receiver, + QtPrivate::QSlotObjectBase *slotObj, + const char *member) +{ #if defined QHOSTINFO_DEBUG - qDebug("QHostInfo::lookupHost(\"%s\", %p, %p)", - name.toLatin1().constData(), receiver, slotObj); + qDebug("QHostInfoPrivate::lookupHostImpl(\"%s\", %p, %p, %s)", + name.toLatin1().constData(), receiver, slotObj, member ? member + 1 : 0); #endif + Q_ASSERT(!member != !slotObj); // one of these must be set, but not both + Q_ASSERT(receiver || slotObj); if (!QAbstractEventDispatcher::instance(QThread::currentThread())) { qWarning("QHostInfo::lookupHost() called with no event dispatcher"); @@ -653,8 +816,13 @@ int QHostInfo::lookupHostImpl(const QString &name, QHostInfo hostInfo(id); hostInfo.setError(QHostInfo::HostNotFound); hostInfo.setErrorString(QCoreApplication::translate("QHostInfo", "No host name given")); + QHostInfoResult result(receiver, slotObj); + if (receiver && member) + QObject::connect(&result, SIGNAL(resultsReady(QHostInfo)), + receiver, member, Qt::QueuedConnection); result.postResultsReady(hostInfo); + return id; } @@ -669,23 +837,24 @@ int QHostInfo::lookupHostImpl(const QString &name, if (valid) { info.setLookupId(id); QHostInfoResult result(receiver, slotObj); + if (receiver && member) + QObject::connect(&result, SIGNAL(resultsReady(QHostInfo)), + receiver, member, Qt::QueuedConnection); result.postResultsReady(info); return id; } } // cache is not enabled or it was not in the cache, do normal lookup - QHostInfoRunnable* runnable = new QHostInfoRunnable(name, id, receiver, slotObj); + QHostInfoRunnable *runnable = new QHostInfoRunnable(name, id, receiver, slotObj); + if (receiver && member) + QObject::connect(&runnable->resultEmitter, SIGNAL(resultsReady(QHostInfo)), + receiver, member, Qt::QueuedConnection); manager->scheduleLookup(runnable); } return id; } -QHostInfoRunnable::QHostInfoRunnable(const QString &hn, int i) : toBeLookedUp(hn), id(i) -{ - setAutoDelete(true); -} - QHostInfoRunnable::QHostInfoRunnable(const QString &hn, int i, const QObject *receiver, QtPrivate::QSlotObjectBase *slotObj) : toBeLookedUp(hn), id(i), resultEmitter(receiver, slotObj) @@ -697,11 +866,10 @@ QHostInfoRunnable::QHostInfoRunnable(const QString &hn, int i, const QObject *re void QHostInfoRunnable::run() { QHostInfoLookupManager *manager = theHostInfoLookupManager(); + const auto sg = qScopeGuard([&] { manager->lookupFinished(this); }); // check aborted - if (manager->wasAborted(id)) { - manager->lookupFinished(this); + if (manager->wasAborted(id)) return; - } QHostInfo hostInfo; @@ -723,10 +891,8 @@ void QHostInfoRunnable::run() } // check aborted again - if (manager->wasAborted(id)) { - manager->lookupFinished(this); + if (manager->wasAborted(id)) return; - } // signal emission hostInfo.setLookupId(id); @@ -750,16 +916,15 @@ void QHostInfoRunnable::run() } #endif - manager->lookupFinished(this); - // thread goes back to QThreadPool } -QHostInfoLookupManager::QHostInfoLookupManager() : mutex(QMutex::Recursive), wasDeleted(false) +QHostInfoLookupManager::QHostInfoLookupManager() : wasDeleted(false) { - moveToThread(QCoreApplicationPrivate::mainThread()); #if QT_CONFIG(thread) - connect(QCoreApplication::instance(), SIGNAL(destroyed()), SLOT(waitForThreadPoolDone()), Qt::DirectConnection); + QObject::connect(QCoreApplication::instance(), &QObject::destroyed, + &threadPool, [&](QObject *) { threadPool.waitForDone(); }, + Qt::DirectConnection); threadPool.setMaxThreadCount(20); // do up to 20 DNS lookups in parallel #endif } @@ -794,10 +959,9 @@ void QHostInfoLookupManager::clear() cache.clear(); } -void QHostInfoLookupManager::work() +// assumes mutex is locked by caller +void QHostInfoLookupManager::rescheduleWithMutexHeld() { - QMutexLocker locker(&mutex); - if (wasDeleted) return; @@ -816,7 +980,7 @@ void QHostInfoLookupManager::work() #if QT_CONFIG(thread) auto isAlreadyRunning = [this](QHostInfoRunnable *lookup) { - return any_of(currentLookups.cbegin(), currentLookups.cend(), ToBeLookedUpEquals(lookup->toBeLookedUp)); + return std::any_of(currentLookups.cbegin(), currentLookups.cend(), ToBeLookedUpEquals(lookup->toBeLookedUp)); }; // Transfer any postponed lookups that aren't currently running to the scheduled list, keeping already-running lookups: @@ -862,7 +1026,7 @@ void QHostInfoLookupManager::scheduleLookup(QHostInfoRunnable *r) return; scheduledLookups.enqueue(r); - work(); + rescheduleWithMutexHeld(); } // called by QHostInfo @@ -918,7 +1082,7 @@ void QHostInfoLookupManager::lookupFinished(QHostInfoRunnable *r) currentLookups.removeOne(r); #endif finishedLookups.append(r); - work(); + rescheduleWithMutexHeld(); } // This function returns immediately when we had a result in the cache, else it will later emit a signal @@ -928,7 +1092,7 @@ QHostInfo qt_qhostinfo_lookup(const QString &name, QObject *receiver, const char *id = -1; // check cache - QAbstractHostInfoLookupManager* manager = theHostInfoLookupManager(); + QHostInfoLookupManager* manager = theHostInfoLookupManager(); if (manager && manager->cache.isEnabled()) { QHostInfo info = manager->cache.get(name, valid); if (*valid) { @@ -937,7 +1101,7 @@ QHostInfo qt_qhostinfo_lookup(const QString &name, QObject *receiver, const char } // was not in cache, trigger lookup - *id = QHostInfo::lookupHost(name, receiver, member); + *id = QHostInfoPrivate::lookupHostImpl(name, receiver, nullptr, member); // return empty response, valid==false return QHostInfo(); @@ -945,7 +1109,7 @@ QHostInfo qt_qhostinfo_lookup(const QString &name, QObject *receiver, const char void qt_qhostinfo_clear_cache() { - QAbstractHostInfoLookupManager* manager = theHostInfoLookupManager(); + QHostInfoLookupManager* manager = theHostInfoLookupManager(); if (manager) { manager->clear(); } @@ -954,7 +1118,7 @@ void qt_qhostinfo_clear_cache() #ifdef QT_BUILD_INTERNAL void Q_AUTOTEST_EXPORT qt_qhostinfo_enable_cache(bool e) { - QAbstractHostInfoLookupManager* manager = theHostInfoLookupManager(); + QHostInfoLookupManager* manager = theHostInfoLookupManager(); if (manager) { manager->cache.setEnabled(e); } @@ -962,7 +1126,7 @@ void Q_AUTOTEST_EXPORT qt_qhostinfo_enable_cache(bool e) void qt_qhostinfo_cache_inject(const QString &hostname, const QHostInfo &resolution) { - QAbstractHostInfoLookupManager* manager = theHostInfoLookupManager(); + QHostInfoLookupManager* manager = theHostInfoLookupManager(); if (!manager || !manager->cache.isEnabled()) return; @@ -1018,9 +1182,4 @@ void QHostInfoCache::clear() cache.clear(); } -QAbstractHostInfoLookupManager* QAbstractHostInfoLookupManager::globalInstance() -{ - return theHostInfoLookupManager(); -} - QT_END_NAMESPACE |