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k3reverseresolver.h

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00001 /*  -*- C++ -*-
00002  *  Copyright (C) 2003,2005 Thiago Macieira <thiago@kde.org>
00003  *
00004  *
00005  *  Permission is hereby granted, free of charge, to any person obtaining
00006  *  a copy of this software and associated documentation files (the
00007  *  "Software"), to deal in the Software without restriction, including
00008  *  without limitation the rights to use, copy, modify, merge, publish,
00009  *  distribute, sublicense, and/or sell copies of the Software, and to
00010  *  permit persons to whom the Software is furnished to do so, subject to
00011  *  the following conditions:
00012  *
00013  *  The above copyright notice and this permission notice shall be included 
00014  *  in all copies or substantial portions of the Software.
00015  *
00016  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00017  *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00018  *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00019  *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
00020  *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
00021  *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
00022  *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00023  */
00024 
00025 #ifndef KREVERSERESOLVER_H
00026 #define KREVERSERESOLVER_H
00027 
00029 // Needed includes
00030 #include <QtCore/QObject>
00031 #include <QtCore/QString>
00032 
00033 #include "k3socketaddress.h"
00034 
00035 namespace KNetwork {
00036 
00037 class KReverseResolverPrivate;
00051 class KDECORE_EXPORT KReverseResolver: public QObject
00052 {
00053   Q_OBJECT
00054 
00055 public:
00075   enum Flags
00076     {
00077       NumericHost = 0x01,
00078       NumericService = 0x02,
00079       NodeNameOnly = 0x04,
00080       Datagram = 0x08,
00081       NumericScope = 0x10,
00082       ResolutionRequired = 0x20
00083     };
00084 
00092   explicit KReverseResolver(const KSocketAddress& addr, int flags = 0,
00093                             QObject *parent = 0L);
00094 
00098   virtual ~KReverseResolver();
00099 
00103   bool isRunning() const;
00104 
00109   bool success() const;
00110 
00115   bool failure() const;
00116 
00121   QString node() const;
00122 
00127   QString service() const;
00128 
00132   const KSocketAddress& address() const;
00133 
00138   bool start();
00139 
00143   virtual bool event(QEvent* );
00144 
00145 Q_SIGNALS:
00151   void finished(const KNetwork::KReverseResolver& obj);
00152 
00153 public:
00169   static bool resolve(const KSocketAddress& addr, QString& node, 
00170               QString& serv, int flags = 0);
00171 
00188   static bool resolve(const struct sockaddr* sa, quint16 salen, 
00189               QString& node, QString& serv, int flags = 0);
00190 
00191 private:
00192   KReverseResolverPrivate* const d;
00193 };
00194 
00195 }               // namespace KNetwork
00196 
00197 #endif

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