kdecore Library: ksocketbase.h Source File (kdecore Library)

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# ksocketbase.h

    00001 /*  -*- C++ -*-
    00002  *  Copyright (C) 2003,2005 Thiago Macieira <thiago.macieira@kdemail.net>
    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 /*
    00026  * Even before our #ifdef, clean up the namespace
    00027  */
    00028 #ifdef socket
    00029 #undef socket
    00030 #endif
    00031
    00032 #ifdef bind
    00033 #undef bind
    00034 #endif
    00035
    00036 #ifdef listen
    00037 #undef listen
    00038 #endif
    00039
    00040 #ifdef connect
    00041 #undef connect
    00042 #endif
    00043
    00044 #ifdef accept
    00045 #undef accept
    00046 #endif
    00047
    00048 #ifdef getpeername
    00049 #undef getpeername
    00050 #endif
    00051
    00052 #ifdef getsockname
    00053 #undef getsockname
    00054 #endif
    00055
    00056 #ifndef KSOCKETBASE_H
    00057 #define KSOCKETBASE_H
    00058
    00059 #include <qiodevice.h>
    00060 #include <qstring.h>
    00061
    00062 #include "ksocketaddress.h"
    00063 #include <kdelibs_export.h>
    00064
    00065 /*
    00066  * This is extending QIODevice's error codes
    00067  *
    00068  * According to qiodevice.h, the last error is IO_UnspecifiedError
    00069  * These errors will never occur in functions declared in QIODevice
    00070  * (except open, but you shouldn't call open)
    00071  */
    00072 #define IO_ListenError      (IO_UnspecifiedError+1)
    00073 #define IO_AcceptError      (IO_UnspecifiedError+2)
    00074 #define IO_LookupError      (IO_UnspecifiedError+3)
    00075 #define IO_SocketCreateError    (IO_UnspecifiedError+4)
    00076 #define IO_BindError        (IO_UnspecifiedError+5)
    00077
    00078 class QMutex;
    00079
    00080 namespace KNetwork {
    00081
    00082 class KResolverEntry;
    00083 class KSocketDevice;
    00084
    00085 class KSocketBasePrivate;
    00097 class KDECORE_EXPORT KSocketBase
    00098 {
    00099 public:
    00118   enum SocketOptions
    00119     {
    00120       Blocking = 0x01,
    00121       AddressReuseable = 0x02,
    00122       IPv6Only = 0x04,
    00123       Keepalive = 0x08,
    00124       Broadcast = 0x10
    00125     };
    00126
    00152   enum SocketError
    00153     {
    00154       NoError = 0,
    00155       LookupFailure,
    00156       AddressInUse,
    00157       AlreadyCreated,
    00158       AlreadyBound,
    00159       AlreadyConnected,
    00160       NotConnected,
    00161       NotBound,
    00162       NotCreated,
    00163       WouldBlock,
    00164       ConnectionRefused,
    00165       ConnectionTimedOut,
    00166       InProgress,
    00167       NetFailure,
    00168       NotSupported,
    00169       Timeout,
    00170       UnknownError,
    00171       RemotelyDisconnected
    00172     };
    00173
    00174 public:
    00178   KSocketBase();
    00179
    00183   virtual ~KSocketBase();
    00184
    00185   /*
    00186    * The following functions are shared by all descended classes and will have
    00187    * to be reimplemented.
    00188    */
    00189
    00190 protected:
    00204   virtual bool setSocketOptions(int opts);
    00205
    00215   virtual int socketOptions() const;
    00216
    00217 public:
    00233   virtual bool setBlocking(bool enable);
    00234
    00241   bool blocking() const;
    00242
    00257   virtual bool setAddressReuseable(bool enable);
    00258
    00265   bool addressReuseable() const;
    00266
    00282   virtual bool setIPv6Only(bool enable);
    00283
    00290   bool isIPv6Only() const;
    00291
    00303   virtual bool setBroadcast(bool enable);
    00304
    00311   bool broadcast() const;
    00312
    00319   KSocketDevice* socketDevice() const;
    00320
    00334   virtual void setSocketDevice(KSocketDevice* device);
    00335
    00357   int setRequestedCapabilities(int add, int remove = 0);
    00358
    00359 protected:
    00364   bool hasDevice() const;
    00365
    00371   void setError(SocketError error);
    00372
    00373 public:
    00378   SocketError error() const;
    00379
    00383   inline QString errorString() const
    00384   { return errorString(error()); }
    00385
    00401   QMutex* mutex() const;
    00402
    00403 public:
    00409   static QString errorString(SocketError code);
    00410
    00419   static bool isFatalError(int code);
    00420
    00421 private:
    00424   void unsetSocketDevice();
    00425
    00426   KSocketBase(const KSocketBase&);
    00427   KSocketBase& operator =(const KSocketBase&);
    00428
    00429   KSocketBasePrivate *d;
    00430
    00431   friend class KSocketDevice;
    00432 };
    00433
    00443 class KDECORE_EXPORT KActiveSocketBase: public QIODevice, virtual public KSocketBase
    00444 {
    00445 public:
    00449   KActiveSocketBase();
    00450
    00454   virtual ~KActiveSocketBase();
    00455
    00466   virtual bool bind(const KResolverEntry& address) = 0;
    00467
    00484   virtual bool connect(const KResolverEntry& address) = 0;
    00485
    00501   virtual bool disconnect() = 0;
    00502
    00507   virtual Offset size() const
    00508   { return 0; }
    00509
    00514   virtual Offset at() const
    00515   { return 0; }
    00516
    00521   virtual bool at(Offset)
    00522   { return false; }
    00523
    00528   virtual bool atEnd() const
    00529   { return true; }
    00530
    00535   virtual Q_LONG bytesAvailable() const = 0;
    00536
    00548   virtual Q_LONG waitForMore(int msecs, bool *timeout = 0L) = 0;
    00549
    00556   virtual Q_LONG readBlock(char *data, Q_ULONG len) = 0;
    00557
    00569   virtual Q_LONG readBlock(char *data, Q_ULONG maxlen, KSocketAddress& from) = 0;
    00570
    00582   virtual Q_LONG peekBlock(char *data, Q_ULONG maxlen) = 0;
    00583
    00596   virtual Q_LONG peekBlock(char *data, Q_ULONG maxlen, KSocketAddress& from) = 0;
    00597
    00604   virtual Q_LONG writeBlock(const char *data, Q_ULONG len) = 0;
    00605
    00617   virtual Q_LONG writeBlock(const char *data, Q_ULONG len, const KSocketAddress& to) = 0;
    00618
    00623   virtual int getch();
    00624
    00629   virtual int putch(int ch);
    00630
    00635   virtual int ungetch(int)
    00636   { return -1; }
    00637
    00641   virtual KSocketAddress localAddress() const = 0;
    00642
    00648   virtual KSocketAddress peerAddress() const = 0;
    00649
    00650   // FIXME KDE 4.0:
    00651   // enable this function
    00652 #if 0
    00653
    00656   virtual KSocketAddress externalAddress() const = 0;
    00657 #endif
    00658
    00659 protected:
    00666   void setError(int status, SocketError error);
    00667
    00671   void resetError();
    00672 };
    00673
    00683 class KDECORE_EXPORT KPassiveSocketBase: virtual public KSocketBase
    00684 {
    00685 public:
    00689   KPassiveSocketBase();
    00690
    00694   virtual ~KPassiveSocketBase();
    00695
    00706   virtual bool bind(const KResolverEntry& address) = 0;
    00707
    00722   virtual bool listen(int backlog) = 0;
    00723
    00728   virtual void close() = 0;
    00729
    00743   virtual KActiveSocketBase* accept() = 0;
    00744
    00748   virtual KSocketAddress localAddress() const = 0;
    00749
    00753   virtual KSocketAddress externalAddress() const = 0;
    00754
    00755 private:
    00756   KPassiveSocketBase(const KPassiveSocketBase&);
    00757   KPassiveSocketBase& operator = (const KPassiveSocketBase&);
    00758 };
    00759
    00760 }               // namespace KNetwork
    00761
    00762 #endif

This file is part of the documentation for kdecore Library Version 3.4.1.
Documentation copyright © 1996-2004 the KDE developers.
Generated on Sat Jun 11 20:18:10 2005 by doxygen 1.4.1 written by Dimitri van Heesch, © 1997-2003