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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Qt Toolkit - qdns.h include file</title><style type="text/css"><!--h3.fn,span.fn { margin-left: 1cm; text-indent: -1cm; }a:link { color: #004faf; text-decoration: none }a:visited { color: #672967; text-decoration: none }body { background: white; color: black; }--></style></head><body bgcolor="#ffffff"><table width="100%"><tr><td><a href="index.html"><img width="100" height="100" src="qtlogo.png"alt="Home" border="0"><img width="100"height="100" src="face.png" alt="Home" border="0"></a><td valign="top"><div align="right"><img src="dochead.png" width="472" height="27"><br><a href="classes.html"><b>Classes</b></a>- <a href="annotated.html">Annotated</a>- <a href="hierarchy.html">Tree</a>- <a href="functions.html">Functions</a>- <a href="index.html">Home</a>- <a href="topicals.html"><b>Structure</b> <font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" align="center" size=32>Qte</font></a></div></table><h1 align=center>qdns.h</h1><br clear="all">This is the verbatim text of the qdns.h include file. It isprovided only for illustration; the copyrightremains with Trolltech.<hr><pre>/****************************************************************************** $Id: qt/src/network/qdns.h 2.3.8 edited 2004-05-12 $**** Definition of QDns class.**** Created : 991122**** Copyright (C) 1992-2000 Trolltech AS. All rights reserved.**** This file is part of the network module of the Qt GUI Toolkit.**** This file may be distributed under the terms of the Q Public License** as defined by Trolltech AS of Norway and appearing in the file** LICENSE.QPL included in the packaging of this file.**** This file may be distributed and/or modified under the terms of the** GNU General Public License version 2 as published by the Free Software** Foundation and appearing in the file LICENSE.GPL included in the** packaging of this file.**** Licensees holding valid Qt Enterprise Edition licenses may use this** file in accordance with the Qt Commercial License Agreement provided** with the Software.**** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.**** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for** information about Qt Commercial License Agreements.** See http://www.trolltech.com/qpl/ for QPL licensing information.** See http://www.trolltech.com/gpl/ for GPL licensing information.**** Contact info@trolltech.com if any conditions of this licensing are** not clear to you.************************************************************************/#ifndef QDNS_H#define QDNS_H#ifndef QT_H#include "qobject.h"#include "qvaluelist.h"#include "qsocket.h"#endif // QT_H#ifndef QT_NO_DNSclass QDnsPrivate;class Q_EXPORT <a href="qdns.html">QDns</a>: public QObject { Q_OBJECTpublic: enum RecordType { None, A, Aaaa, Mx, Srv, Cname, Ptr, Txt }; QDns(); QDns( const QString & label, RecordType rr = A ); QDns( const QHostAddress & address, RecordType rr = Ptr ); virtual ~QDns(); // 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 curtains bool isWorking() const; // to query for replies QValueList<QHostAddress> addresses() const; class MailServer { public: MailServer( const QString & n=QString::null, Q_UINT16 p=0 ) :name(n), priority(p) {} QString name; Q_UINT16 priority;#if defined(Q_FULL_TEMPLATE_INSTANTIATION) bool operator== ( const MailServer& ) const;#endif }; QValueList<MailServer> mailServers() const; class Server { public: Server(const QString & n=QString::null, 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;#if defined(Q_FULL_TEMPLATE_INSTANTIATION) bool operator== ( const Server& ) const;#endif }; QValueList<Server> servers() const; QStringList hostNames() const; QStringList texts() const; QString canonicalName() const; // ### real-world but uncommon: QStringList QStringList qualifiedNames() const { return n; }signals: void resultsReady();private slots: void startQuery();private: void setStartQueryTimer(); QString toInAddrArpaDomain( const QHostAddress &address ); QString l; QStringList n; RecordType t; QDnsPrivate * d;};// QDnsSocket are sockets that are used for DNS lookupclass QDnsSocket: public QObject { Q_OBJECT // note: Private not public. This class contains NO public API.protected: QDnsSocket( QObject *, const char * ); virtual ~QDnsSocket();private slots: virtual void cleanCache(); virtual void retransmit(); virtual void answer();};#endif // QT_NO_DNS#endif // QDNS_H</pre><p><address><hr><div align="center"><table width="100%" cellspacing="0" border="0"><tr><td>Copyright ⌨️ 快捷键说明
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