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/****************************************************************************
**
** Definition of TQDns class.
**
** Created : 991122
**
** Copyright (C) 1999-2008 Trolltech ASA. All rights reserved.
**
** This file is part of the network module of the TQt GUI Toolkit.
**
** This file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
** Alternatively you may (at your option) use any later version
** of the GNU General Public License if such license has been
** publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free TQt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
** included in the packaging of this file. Licensees holding valid TQt
** Commercial licenses may use this file in accordance with the TQt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/
#ifndef TQDNS_H
#define TQDNS_H
#ifndef QT_H
#include "ntqobject.h"
#include "ntqhostaddress.h"
#include "ntqsocketnotifier.h"
#include "ntqstringlist.h"
#endif // QT_H
#if !defined( TQT_MODULE_NETWORK ) || defined( QT_LICENSE_PROFESSIONAL ) || defined( QT_INTERNAL_NETWORK )
#define TQM_EXPORT_DNS
#else
#define TQM_EXPORT_DNS Q_EXPORT
#endif
#ifndef TQT_NO_DNS
//#define Q_DNS_SYNCHRONOUS
class TQDnsPrivate;
class TQM_EXPORT_DNS TQDns: public TQObject {
TQ_OBJECT
public:
enum RecordType {
None,
A, Aaaa,
Mx, Srv,
Cname,
Ptr,
Txt
};
TQDns();
TQDns( const TQString & label, RecordType rr = A );
TQDns( const TQHostAddress & address, RecordType rr = Ptr );
virtual ~TQDns();
// to set/change the query
virtual void setLabel( const TQString & label );
virtual void setLabel( const TQHostAddress & address );
TQString 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
TQValueList<TQHostAddress> addresses() const;
class TQM_EXPORT_DNS MailServer {
public:
MailServer( const TQString & n=TQString::null, TQ_UINT16 p=0 )
:name(n), priority(p) {}
TQString name;
TQ_UINT16 priority;
TQ_DUMMY_COMPARISON_OPERATOR(MailServer)
};
TQValueList<MailServer> mailServers() const;
class TQM_EXPORT_DNS Server {
public:
Server(const TQString & n=TQString::null, TQ_UINT16 p=0, TQ_UINT16 w=0, TQ_UINT16 po=0 )
: name(n), priority(p), weight(w), port(po) {}
TQString name;
TQ_UINT16 priority;
TQ_UINT16 weight;
TQ_UINT16 port;
TQ_DUMMY_COMPARISON_OPERATOR(Server)
};
TQValueList<Server> servers() const;
TQStringList hostNames() const;
TQStringList texts() const;
TQString canonicalName() const; // ### real-world but uncommon: TQStringList
TQStringList qualifiedNames() const { return n; }
#if defined(Q_DNS_SYNCHRONOUS)
protected:
void connectNotify( const char *signal );
#endif
signals:
void resultsReady();
private slots:
void startQuery();
private:
static void doResInit();
void setStartQueryTimer();
static TQString toInAddrArpaDomain( const TQHostAddress &address );
#if defined(Q_DNS_SYNCHRONOUS)
void doSynchronousLookup();
#endif
TQString l;
TQStringList n;
RecordType t;
TQDnsPrivate * d;
friend class TQDnsAnswer;
friend class TQDnsManager;
};
// TQDnsSocket are sockets that are used for DNS lookup
class TQDnsSocket: public TQObject {
TQ_OBJECT
// note: Private not public. This class contains NO public API.
protected:
TQDnsSocket( TQObject *, const char * );
virtual ~TQDnsSocket();
private slots:
virtual void cleanCache();
virtual void retransmit();
virtual void answer();
};
#endif // TQT_NO_DNS
#endif // TQDNS_H
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