Beispiel #1
0
QT_BEGIN_NAMESPACE

static void setError_helper(QHostInfo &info, TInt symbianError)
{
    switch (symbianError) {
    case KErrDndNameNotFound:
    case KErrDndAddrNotFound:
    case KErrNotFound:
    case KErrEof:
        // various "no more results" error codes
        info.setError(QHostInfo::HostNotFound);
        info.setErrorString(QObject::tr("Host not found"));
        break;
    default:
        // Unknown error
        info.setError(QHostInfo::UnknownError);
        info.setErrorString(QSystemError(symbianError, QSystemError::NativeError).toString());
        break;
    }
}
Beispiel #2
0
QHostInfo QHostInfoAgent::fromName(const QString &hostName)
{
    QHostInfo results;

#if defined(QHOSTINFO_DEBUG)
    qDebug("QHostInfoAgent::fromName(%s) looking up...",
           hostName.toLatin1().constData());
#endif

    // Load res_init on demand.
    static volatile bool triedResolve = false;
    if (!triedResolve) {
        QMutexLocker locker(QMutexPool::globalInstanceGet(&local_res_init));
        if (!triedResolve) {
            resolveLibrary();
            triedResolve = true;
        }
    }

    // If res_init is available, poll it.
    if (local_res_init)
        local_res_init();

    QHostAddress address;
    if (address.setAddress(hostName)) {
        // Reverse lookup
// Reverse lookups using getnameinfo are broken on darwin, use gethostbyaddr instead.
#if !defined (QT_NO_GETADDRINFO) && !defined (Q_OS_DARWIN)
        sockaddr_in sa4;
#ifndef QT_NO_IPV6
        sockaddr_in6 sa6;
#endif
        sockaddr *sa = 0;
        QT_SOCKLEN_T saSize = 0;
        if (address.protocol() == QAbstractSocket::IPv4Protocol) {
            sa = (sockaddr *)&sa4;
            saSize = sizeof(sa4);
            memset(&sa4, 0, sizeof(sa4));
            sa4.sin_family = AF_INET;
            sa4.sin_addr.s_addr = htonl(address.toIPv4Address());
        }
#ifndef QT_NO_IPV6
        else {
            sa = (sockaddr *)&sa6;
            saSize = sizeof(sa6);
            memset(&sa6, 0, sizeof(sa6));
            sa6.sin6_family = AF_INET6;
            memcpy(sa6.sin6_addr.s6_addr, address.toIPv6Address().c, sizeof(sa6.sin6_addr.s6_addr));
        }
#endif

        char hbuf[NI_MAXHOST];
        if (sa && getnameinfo(sa, saSize, hbuf, sizeof(hbuf), 0, 0, 0) == 0)
            results.setHostName(QString::fromLatin1(hbuf));
#else
        in_addr_t inetaddr = qt_safe_inet_addr(hostName.toLatin1().constData());
        struct hostent *ent = gethostbyaddr((const char *)&inetaddr, sizeof(inetaddr), AF_INET);
        if (ent)
            results.setHostName(QString::fromLatin1(ent->h_name));
#endif

        if (results.hostName().isEmpty())
            results.setHostName(address.toString());
        results.setAddresses(QList<QHostAddress>() << address);
        return 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;
    }

#if !defined (QT_NO_GETADDRINFO)
    // Call getaddrinfo, and place all IPv4 addresses at the start and
    // the IPv6 addresses at the end of the address list in 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(), 0, &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(), 0, &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
            if (node->ai_family == AF_INET) {
                QHostAddress addr;
                addr.setAddress(ntohl(((sockaddr_in *) node->ai_addr)->sin_addr.s_addr));
                if (!addresses.contains(addr))
                    addresses.append(addr);
            }
#ifndef QT_NO_IPV6
            else if (node->ai_family == 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);
            }
#endif
            node = node->ai_next;
        }
        if (addresses.isEmpty() && node == 0) {
            // 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(tr("Unknown address type"));
        }

        results.setAddresses(addresses);
        freeaddrinfo(res);
    } else if (result == EAI_NONAME
               || result ==  EAI_FAIL
#ifdef EAI_NODATA
	       // EAI_NODATA is deprecated in RFC 3493
	       || result == EAI_NODATA
#endif
	       ) {
        results.setError(QHostInfo::HostNotFound);
        results.setErrorString(tr("Host not found"));
    } else {
        results.setError(QHostInfo::UnknownError);
        results.setErrorString(QString::fromLocal8Bit(gai_strerror(result)));
    }

#else
    // Fall back to gethostbyname for platforms that don't define
    // getaddrinfo. gethostbyname does not support IPv6, and it's not
    // reentrant on all platforms. For now this is okay since we only
    // use one QHostInfoAgent, but if more agents are introduced, locking
    // must be provided.
    QMutexLocker locker(::getHostByNameMutex());
    hostent *result = gethostbyname(aceHostname.constData());
    if (result) {
        if (result->h_addrtype == AF_INET) {
            QList<QHostAddress> addresses;
            for (char **p = result->h_addr_list; *p != 0; p++) {
                QHostAddress addr;
                addr.setAddress(ntohl(*((quint32 *)*p)));
                if (!addresses.contains(addr))
                    addresses.prepend(addr);
            }
            results.setAddresses(addresses);
        } else {
            results.setError(QHostInfo::UnknownError);
            results.setErrorString(tr("Unknown address type"));
        }
#if !defined(Q_OS_VXWORKS)
    } else if (h_errno == HOST_NOT_FOUND || h_errno == NO_DATA
               || h_errno == NO_ADDRESS) {
        results.setError(QHostInfo::HostNotFound);
        results.setErrorString(tr("Host not found"));
#endif
    } else {
        results.setError(QHostInfo::UnknownError);
        results.setErrorString(tr("Unknown error"));
    }
#endif //  !defined (QT_NO_GETADDRINFO)

#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 += ", ";
            tmp += addresses.at(i).toString();
        }
        qDebug("QHostInfoAgent::fromName(): found %i entries for \"%s\": {%s}",
               addresses.count(), hostName.toLatin1().constData(),
               tmp.toLatin1().constData());
    }
#endif
    return results;
}
Beispiel #3
0
QHostInfo QHostInfoAgent::fromName(const QString &hostName)
{
    QHostInfo results;
    results.setHostName(hostName);

#if defined(QHOSTINFO_DEBUG)
    qDebug("QHostInfoAgent::fromName(%s) looking up...",
           hostName.toLatin1().constData());
#endif

    QHostAddress address;
    if (address.setAddress(hostName)) {
        // Reverse lookup
// Reverse lookups using getnameinfo are broken on darwin, use gethostbyaddr instead.
#if !defined (QT_NO_GETADDRINFO) && !defined (Q_OS_DARWIN)
        sockaddr_in sa4;
        sockaddr_in6 sa6;
        sockaddr *sa;
        QT_SOCKLEN_T saSize;
        if (address.protocol() == QAbstractSocket::IPv4Protocol) {
            sa = (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 = (sockaddr *)&sa6;
            saSize = sizeof(sa6);
            memset(&sa6, 0, sizeof(sa6));
            sa6.sin6_family = AF_INET6;
            memcpy(sa6.sin6_addr.s6_addr, address.toIPv6Address().c, sizeof(sa6.sin6_addr.s6_addr));
        }

        char hbuf[NI_MAXHOST];
        if (getnameinfo(sa, saSize, hbuf, sizeof(hbuf), 0, 0, 0) != 0) {
            results.setError(QHostInfo::HostNotFound);
            results.setErrorString(tr("Host not found"));
            return results;            
        }
        results.setHostName(QString::fromLatin1(hbuf));
#else
        in_addr_t inetaddr = inet_addr(hostName.toLatin1().constData());
        struct hostent *ent = gethostbyaddr((const char *)&inetaddr, sizeof(inetaddr), AF_INET);
        if (!ent) {
            results.setError(QHostInfo::HostNotFound);
            results.setErrorString(tr("Host not found"));
            return results;            
        }
        results.setHostName(QString::fromLatin1(ent->h_name));
#endif
    }
    
#if !defined (QT_NO_GETADDRINFO)
    // Call getaddrinfo, and place all IPv4 addresses at the start and
    // the IPv6 addresses at the end of the address list in results.
    addrinfo *res = 0;
    struct addrinfo hints;
    memset(&hints, 0, sizeof(hints));
    hints.ai_family = PF_UNSPEC;

    int result = getaddrinfo(hostName.toLatin1().constData(), 0, &hints, &res);
    if (result == 0) {
        addrinfo *node = res;
        QList<QHostAddress> addresses;
        while (node) {
            if (node->ai_family == AF_INET) {
                QHostAddress addr;
                addr.setAddress(ntohl(((sockaddr_in *) node->ai_addr)->sin_addr.s_addr));
                if (!addresses.contains(addr))
                    addresses.prepend(addr);
            } else if (node->ai_family == AF_INET6) {
                QHostAddress addr;
                addr.setAddress(((sockaddr_in6 *) node->ai_addr)->sin6_addr.s6_addr);
                if (!addresses.contains(addr))
                    addresses.append(addr);
            } else {
                results.setError(QHostInfo::UnknownError);
                results.setErrorString(tr("Unknown address type"));
                break;
            }
            node = node->ai_next;
        }
        results.setAddresses(addresses);
        freeaddrinfo(res);
    } else if (result == EAI_NONAME 
               || result ==  EAI_FAIL
               || result ==  EAI_FAIL
#ifdef EAI_NODATA
	       // EAI_NODATA is deprecated in RFC 3493
	       || result == EAI_NODATA
#endif
	       ) {
        results.setError(QHostInfo::HostNotFound);
        results.setErrorString(tr("Host not found"));
    } else {
        results.setError(QHostInfo::UnknownError);
        results.setErrorString(QString::fromLocal8Bit(gai_strerror(result)));
    }

#else
    // Fall back to gethostbyname for platforms that don't define
    // getaddrinfo. gethostbyname does not support IPv6, and it's not
    // reentrant on all platforms. For now this is okay since we only
    // use one QHostInfoAgent, but if more agents are introduced, locking
    // must be provided.
    QMutexLocker locker(::getHostByNameMutex());
    hostent *result = gethostbyname(hostName.toLatin1().constData());
    if (result) {
        if (result->h_addrtype == AF_INET) {
            QList<QHostAddress> addresses;
            for (char **p = result->h_addr_list; *p != 0; p++) {
                QHostAddress addr;
                addr.setAddress(ntohl(*((quint32 *)*p)));
                if (!addresses.contains(addr))
                    addresses.prepend(addr);
            }
            results.setAddresses(addresses);
        } else {
            results.setError(QHostInfo::UnknownError);
            results.setErrorString(tr("Unknown address type"));
        }
    } else if (h_errno == HOST_NOT_FOUND || h_errno == NO_DATA
               || h_errno == NO_ADDRESS) {
        results.setError(QHostInfo::HostNotFound);
        results.setErrorString(tr("Host not found"));
    } else {
        results.setError(QHostInfo::UnknownError);
        results.setErrorString(tr("Unknown error"));
    }
#endif //  !defined (QT_NO_GETADDRINFO)

#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 += ", ";
            tmp += addresses.at(i).toString();
        }
        qDebug("QHostInfoAgent::fromName(): found %i entries for \"%s\": {%s}",
               addresses.count(), hostName.toLatin1().constData(),
               tmp.toLatin1().constData());
    }
#endif
    return results;
}
Beispiel #4
0
QHostInfo QHostInfoAgent::fromName(const QString &hostName, QSharedPointer<QNetworkSession> networkSession)
{
    QHostInfo results;

    // Connect to ESOCK
    RSocketServ socketServ(qt_symbianGetSocketServer());
    RHostResolver hostResolver;


    int err;
    if (networkSession)
        err = QNetworkSessionPrivate::nativeOpenHostResolver(*networkSession, hostResolver, KAfInet, KProtocolInetUdp);
    else
        err = hostResolver.Open(socketServ, KAfInet, KProtocolInetUdp);
    if (err) {
        setError_helper(results, err);
        return results;
    }

    TNameEntry nameResult;

#if defined(QHOSTINFO_DEBUG)
    qDebug("QHostInfoAgent::fromName(%s) looking up...",
           hostName.toLatin1().constData());
#endif

    QHostAddress address;
    if (address.setAddress(hostName)) {
        // Reverse lookup
#if defined(QHOSTINFO_DEBUG)
        qDebug("(reverse lookup)");
#endif
        TInetAddr IpAdd;
        IpAdd.Input(qt_QString2TPtrC(hostName));

        // Synchronous request. nameResult returns Host Name.
        err = hostResolver.GetByAddress(IpAdd, nameResult);
        if (err) {
            //for behavioural compatibility with Qt 4.7 and unix/windows
            //backends: don't report error, return ip address as host name
            results.setHostName(address.toString());
        } else {
            results.setHostName(qt_TDesC2QString(nameResult().iName));
        }
        results.setAddresses(QList<QHostAddress>() << address);
        return 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;
    }


    // Call RHostResolver::GetByAddress, and place all IPv4 addresses at the start and
    // the IPv6 addresses at the end of the address list in results.

    // Synchronous request.
    err = hostResolver.GetByName(qt_QString2TPtrC(QString::fromLatin1(aceHostname)), nameResult);
    if (err) {
        setError_helper(results, err);
        return results;
    }

    QList<QHostAddress> hostAddresses;

    TInetAddr hostAdd = nameResult().iAddr;

    if (!(nameResult().iFlags & TNameRecord::EAlias) && !(hostAdd.IsUnspecified()))
        hostAddresses.append(qt_QHostAddressFromTInetAddr(hostAdd));

    // Check if there's more than one IP address linkd to this name
    while (hostResolver.Next(nameResult) == KErrNone) {
        hostAdd = nameResult().iAddr;

        // Ensure that record is valid (not an alias and with length greater than 0)
        if (!(nameResult().iFlags & TNameRecord::EAlias) && !(hostAdd.IsUnspecified()))
            hostAddresses.append(qt_QHostAddressFromTInetAddr(hostAdd));
    }

    hostResolver.Close();

    results.setAddresses(hostAddresses);
    return results;
}
Beispiel #5
0
QHostInfo QHostInfoAgent::fromName(const QString &hostName)
{
    QHostInfo results;

#if defined(QHOSTINFO_DEBUG)
    qDebug("QHostInfoAgent::fromName(%s) looking up...",
           hostName.toLatin1().constData());
#endif

    // Load res_init on demand.
    resolveLibrary();

    // If res_init is available, poll it.
    if (local_res_init)
        local_res_init();

    QHostAddress address;
    if (address.setAddress(hostName)) {
        // Reverse lookup
        sockaddr_in sa4;
        sockaddr_in6 sa6;
        sockaddr *sa = 0;
        QT_SOCKLEN_T saSize = 0;
        if (address.protocol() == QAbstractSocket::IPv4Protocol) {
            sa = (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 = (sockaddr *)&sa6;
            saSize = sizeof(sa6);
            memset(&sa6, 0, sizeof(sa6));
            sa6.sin6_family = AF_INET6;
            memcpy(sa6.sin6_addr.s6_addr, address.toIPv6Address().c, sizeof(sa6.sin6_addr.s6_addr));
        }

        char hbuf[NI_MAXHOST];
        if (sa && getnameinfo(sa, saSize, hbuf, sizeof(hbuf), 0, 0, 0) == 0)
            results.setHostName(QString::fromLatin1(hbuf));

        if (results.hostName().isEmpty())
            results.setHostName(address.toString());
        results.setAddresses(QList<QHostAddress>() << address);
        return 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;
    }

    // Call getaddrinfo, and place all IPv4 addresses at the start and
    // the IPv6 addresses at the end of the address list in 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(), 0, &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(), 0, &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
            if (node->ai_family == AF_INET) {
                QHostAddress addr;
                addr.setAddress(ntohl(((sockaddr_in *) node->ai_addr)->sin_addr.s_addr));
                if (!addresses.contains(addr))
                    addresses.append(addr);
            }
            else if (node->ai_family == 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);
            }
            node = node->ai_next;
        }
        if (addresses.isEmpty() && node == 0) {
            // 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(tr("Unknown address type"));
        }

        results.setAddresses(addresses);
        freeaddrinfo(res);
    } else if (result == EAI_NONAME
               || result ==  EAI_FAIL
#ifdef EAI_NODATA
               // EAI_NODATA is deprecated in RFC 3493
               || result == EAI_NODATA
#endif
               ) {
        results.setError(QHostInfo::HostNotFound);
        results.setErrorString(tr("Host not found"));
    } else {
        results.setError(QHostInfo::UnknownError);
        results.setErrorString(QString::fromLocal8Bit(gai_strerror(result)));
    }


#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 += ", ";
            tmp += addresses.at(i).toString();
        }
        qDebug("QHostInfoAgent::fromName(): found %i entries for \"%s\": {%s}",
               addresses.count(), hostName.toLatin1().constData(),
               tmp.toLatin1().constData());
    }
#endif
    return results;
}
QT_BEGIN_NAMESPACE

//#define QHOSTINFO_DEBUG

QHostInfo QHostInfoAgent::fromName(const QString &hostName)
{
    QHostInfo results;

    QHostAddress address;
    if (address.setAddress(hostName)) {
        // Reverse lookup
        // TODO: is there a replacement for getnameinfo for winrt?
        Q_UNIMPLEMENTED();
        return results;
    }

    QByteArray aceHostname = QUrl::toAce(hostName);
    results.setHostName(hostName);
    if (aceHostname.isEmpty()) {
        results.setError(QHostInfo::HostNotFound);
        results.setErrorString(hostName.isEmpty() ? tr("No host name given") : tr("Invalid hostname"));
        return results;
    }

    ComPtr<IHostNameFactory> hostnameFactory;
    HRESULT hr = RoGetActivationFactory(HString::MakeReference(RuntimeClass_Windows_Networking_HostName).Get(),
                                        IID_PPV_ARGS(&hostnameFactory));
    Q_ASSERT_X(SUCCEEDED(hr), Q_FUNC_INFO, qPrintable(qt_error_string(hr)));

    ComPtr<IHostName> host;
    HStringReference hostNameRef((const wchar_t*)hostName.utf16());
    hostnameFactory->CreateHostName(hostNameRef.Get(), &host);

    ComPtr<IDatagramSocketStatics> datagramSocketStatics;
    GetActivationFactory(HString::MakeReference(RuntimeClass_Windows_Networking_Sockets_DatagramSocket).Get(), &datagramSocketStatics);

    ComPtr<IAsyncOperation<IVectorView<EndpointPair *> *>> op;
    datagramSocketStatics->GetEndpointPairsAsync(host.Get(),
                                                 HString::MakeReference(L"0").Get(),
                                                 &op);

    ComPtr<IVectorView<EndpointPair *>> endpointPairs;
    hr = op->GetResults(&endpointPairs);
    int waitCount = 0;
    while (hr == E_ILLEGAL_METHOD_CALL) {
        WaitForSingleObjectEx(GetCurrentThread(), 50, FALSE);
        hr = op->GetResults(&endpointPairs);
        if (++waitCount > 1200) // Wait for 1 minute max
            return results;
    }

    if (!endpointPairs)
        return results;

    unsigned int size;
    endpointPairs->get_Size(&size);
    QList<QHostAddress> addresses;
    for (unsigned int i = 0; i < size; ++i) {
        ComPtr<IEndpointPair> endpointpair;
        endpointPairs->GetAt(i, &endpointpair);
        ComPtr<IHostName> remoteHost;
        endpointpair->get_RemoteHostName(&remoteHost);
        if (!remoteHost)
            continue;
        HostNameType type;
        remoteHost->get_Type(&type);
        if (type == HostNameType_DomainName)
            continue;

        HString name;
        remoteHost->get_CanonicalName(name.GetAddressOf());
        UINT32 length;
        PCWSTR rawString = name.GetRawBuffer(&length);
        QHostAddress addr;
        addr.setAddress(QString::fromWCharArray(rawString, length));
        if (!addresses.contains(addr))
            addresses.append(addr);
    }
    results.setAddresses(addresses);

    return results;
}
Beispiel #7
0
void QHostInfoProto::setErrorString(const QString & str)
{
    QHostInfo *item = qscriptvalue_cast<QHostInfo*>(thisObject());
    if (item)
        item->setErrorString(str);
}