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/****************************************************************************
**
** 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
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