--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/qt3support/network/q3dns.h	Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,174 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt3Support module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef Q3DNS_H
+#define Q3DNS_H
+
+#include <QtCore/qobject.h>
+#include <QtNetwork/qhostaddress.h>
+#include <QtCore/qsocketnotifier.h>
+#include <QtCore/qstringlist.h>
+#include <Qt3Support/q3valuelist.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Qt3Support)
+
+#ifndef QT_NO_DNS
+
+//#define Q_DNS_SYNCHRONOUS
+
+class Q3DnsPrivate;
+
+class Q_COMPAT_EXPORT Q3Dns: public QObject {
+    Q_OBJECT
+public:
+    enum RecordType {
+	None,
+	A, Aaaa,
+	Mx, Srv,
+	Cname,
+	Ptr,
+	Txt
+    };
+
+    Q3Dns();
+    Q3Dns( const QString & label, RecordType rr = A );
+    Q3Dns( const QHostAddress & address, RecordType rr = Ptr );
+    virtual ~Q3Dns();
+
+    // to set/change the query
+    virtual void setLabel( const QString & label );
+    virtual void setLabel( const QHostAddress & address );
+    QString label() const { return l; }
+
+    virtual void setRecordType( RecordType rr = A );
+    RecordType recordType() const { return t; }
+
+    // whether something is happening behind the scenes
+    bool isWorking() const;
+
+    // to query for replies
+    Q3ValueList<QHostAddress> addresses() const;
+
+    class Q_COMPAT_EXPORT MailServer {
+    public:
+	MailServer( const QString & n=QString(), Q_UINT16 p=0 )
+	    :name(n), priority(p) {}
+	QString name;
+	Q_UINT16 priority;
+	Q_DUMMY_COMPARISON_OPERATOR(MailServer)
+    };
+    Q3ValueList<MailServer> mailServers() const;
+
+    class Q_COMPAT_EXPORT Server {
+    public:
+	Server(const QString & n=QString(), Q_UINT16 p=0, Q_UINT16 w=0, Q_UINT16 po=0 )
+	    : name(n), priority(p), weight(w), port(po) {}
+	QString name;
+	Q_UINT16 priority;
+	Q_UINT16 weight;
+	Q_UINT16 port;
+	Q_DUMMY_COMPARISON_OPERATOR(Server)
+    };
+    Q3ValueList<Server> servers() const;
+
+    QStringList hostNames() const;
+
+    QStringList texts() const;
+
+    QString canonicalName() const; // ### real-world but uncommon: QStringList
+
+    QStringList qualifiedNames() const { return n; }
+
+#if defined(Q_DNS_SYNCHRONOUS)
+protected:
+    void connectNotify( const char *signal );
+#endif
+
+Q_SIGNALS:
+    void resultsReady();
+
+private Q_SLOTS:
+    void startQuery();
+
+private:
+    static void doResInit();
+    void setStartQueryTimer();
+    static QString toInAddrArpaDomain( const QHostAddress &address );
+#if defined(Q_DNS_SYNCHRONOUS)
+    void doSynchronousLookup();
+#endif
+
+    QString l;
+    QStringList n;
+    RecordType t;
+    Q3DnsPrivate * d;
+
+    friend class Q3DnsAnswer;
+    friend class Q3DnsManager;
+};
+
+
+// Q3DnsSocket are sockets that are used for DNS lookup
+
+class Q3DnsSocket: public QObject {
+    Q_OBJECT
+    // note: Private not public.  This class contains NO public API.
+protected:
+    Q3DnsSocket( QObject *, const char * );
+    virtual ~Q3DnsSocket();
+
+private Q_SLOTS:
+    virtual void cleanCache();
+    virtual void retransmit();
+    virtual void answer();
+};
+
+#endif // QT_NO_DNS
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // Q3DNS_H