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kbufferedsocket.h
00001 /*  -*- C++ -*-
00002  *  Copyright (C) 2003 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 KBUFFEREDSOCKET_H
00026 #define KBUFFEREDSOCKET_H
00027 
00028 #include <tqobject.h>
00029 #include <tqcstring.h>
00030 #include <tqvaluelist.h>
00031 #include "kstreamsocket.h"
00032 #include <kdelibs_export.h>
00033 
00034 class KIOBufferBase;
00035 
00036 namespace KNetwork {
00037 
00038 class KBufferedSocketPrivate;
00058 class KDECORE_EXPORT KBufferedSocket: public KStreamSocket
00059 {
00060   Q_OBJECT
00061   TQ_OBJECT
00062 public:
00071   KBufferedSocket(const TQString& node = TQString::null, const TQString& service = TQString::null,
00072           TQObject* parent = 0L, const char *name = 0L);
00073 
00077   virtual ~KBufferedSocket();
00078 
00082   virtual void setSocketDevice(KSocketDevice* device);
00083 
00084 protected:
00088   virtual bool setSocketOptions(int opts);
00089 
00090 public:
00097   virtual void close();
00098 
00102 #ifdef USE_QT3
00103   virtual TQ_LONG bytesAvailable() const;
00104 #endif
00105 #ifdef USE_QT4
00106   virtual qint64 bytesAvailable() const;
00107 #endif
00108 
00112   virtual TQ_LONG waitForMore(int msecs, bool *timeout = 0L);
00113 
00117   virtual TQT_TQIO_LONG tqreadBlock(char *data, TQT_TQIO_ULONG maxlen);
00118 
00125   virtual TQT_TQIO_LONG tqreadBlock(char *data, TQT_TQIO_ULONG maxlen, KSocketAddress& from);
00126 
00130   virtual TQ_LONG peekBlock(char *data, TQ_ULONG maxlen);
00131 
00138   virtual TQ_LONG peekBlock(char *data, TQ_ULONG maxlen, KSocketAddress &from);
00139 
00143   virtual TQT_TQIO_LONG tqwriteBlock(const char *data, TQT_TQIO_ULONG len);
00144 
00151   virtual TQT_TQIO_LONG tqwriteBlock(const char *data, TQT_TQIO_ULONG len, const KSocketAddress& to);
00152 
00156   virtual void enableRead(bool enable);
00157 
00161   virtual void enableWrite(bool enable);
00162 
00166   void setInputBuffering(bool enable);
00167 
00171   KIOBufferBase* inputBuffer();
00172 
00176   void setOutputBuffering(bool enable);
00177 
00181   KIOBufferBase* outputBuffer();
00182 
00186 #ifdef USE_QT3
00187   virtual TQ_ULONG bytesToWrite() const;
00188 #endif
00189 #ifdef USE_QT4
00190   virtual qint64 bytesToWrite() const;
00191 #endif
00192 
00199   virtual void closeNow();
00200 
00204   bool canReadLine() const;
00205 
00209   TQCString readLine();
00210 
00211   // KDE4: make virtual, add timeout to match the Qt4 signature
00212   //       and move to another class up the hierarchy
00217   void waitForConnect();
00218 
00219 protected:
00223   virtual void stateChanging(SocketState newState);
00224 
00225 protected slots:
00229   virtual void slotReadActivity();
00230 
00234   virtual void slotWriteActivity();
00235 
00236 signals:
00240   void bytesWritten(int bytes);
00241 
00242 private:
00243   KBufferedSocket(const KBufferedSocket&);
00244   KBufferedSocket& operator=(const KBufferedSocket&);
00245 
00246   KBufferedSocketPrivate *d;
00247 
00248 public:
00249   // KDE4: remove this function
00258 #ifdef USE_QT3
00259   inline void reset()
00260 #endif
00261 #ifdef USE_QT4
00262   inline bool reset()
00263 #endif
00264   { closeNow(); }
00265 };
00266 
00267 }               // namespace KNetwork
00268 
00269 #endif

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