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32<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qsocketdevice.h</h1>
33
34<p>This is the verbatim text of the qsocketdevice.h include file. It is provided only for illustration; the copyright remains with Trolltech.
35<hr>
36<pre>
37/****************************************************************************
38** $Id: qsocketdevice-h.html 2051 2007-02-21 10:04:20Z chehrlic $
39**
40** Definition of QSocketDevice class.
41**
42** Created : 970521
43**
44** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
45**
46** This file is part of the network module of the Qt GUI Toolkit.
47**
48** This file may be distributed under the terms of the Q Public License
49** as defined by Trolltech ASA of Norway and appearing in the file
50** LICENSE.QPL included in the packaging of this file.
51**
52** This file may be distributed and/or modified under the terms of the
53** GNU General Public License version 2 as published by the Free Software
54** Foundation and appearing in the file LICENSE.GPL included in the
55** packaging of this file.
56**
57** Licensees holding valid Qt Enterprise Edition licenses may use this
58** file in accordance with the Qt Commercial License Agreement provided
59** with the Software.
60**
61** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
62** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
63**
64** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
65** information about Qt Commercial License Agreements.
66** See http://www.trolltech.com/qpl/ for QPL licensing information.
67** See http://www.trolltech.com/gpl/ for GPL licensing information.
68**
69** Contact info@trolltech.com if any conditions of this licensing are
70** not clear to you.
71**
72**********************************************************************/
73
74#ifndef QSOCKETDEVICE_H
75#define QSOCKETDEVICE_H
76
77#ifndef QT_H
78#include "qiodevice.h"
79#include "qhostaddress.h" // int-&gt;QHostAddress conversion
80#endif // QT_H
81
82#if !defined( QT_MODULE_NETWORK ) || defined( QT_LICENSE_PROFESSIONAL ) || defined( QT_INTERNAL_NETWORK )
83#define QM_EXPORT_NETWORK
84#else
85#define QM_EXPORT_NETWORK Q_EXPORT
86#endif
87
88#ifndef QT_NO_NETWORK
89class QSocketDevicePrivate;
90
91
92class QM_EXPORT_NETWORK QSocketDevice: public QIODevice
93{
94public:
95 enum Type { Stream, Datagram };
96 enum Protocol { IPv4, IPv6, Unknown };
97
98 QSocketDevice( Type type = Stream );
99 QSocketDevice( Type type, Protocol protocol, int dummy );
100 QSocketDevice( int socket, Type type );
101 virtual ~QSocketDevice();
102
103 bool isValid() const;
104 Type type() const;
105 Protocol protocol() const;
106
107 int socket() const;
108 virtual void setSocket( int socket, Type type );
109
110 bool open( int mode );
111 void close();
112 void flush();
113
114 // Implementation of QIODevice abstract virtual functions
115 Offset size() const;
116 Offset at() const;
117 bool at( Offset );
118 bool atEnd() const;
119
120 bool blocking() const;
121 virtual void setBlocking( bool );
122
123 bool addressReusable() const;
124 virtual void setAddressReusable( bool );
125
126 int receiveBufferSize() const;
127 virtual void setReceiveBufferSize( uint );
128 int sendBufferSize() const;
129 virtual void setSendBufferSize( uint );
130
131 virtual bool connect( const QHostAddress &amp;, Q_UINT16 );
132
133 virtual bool bind( const QHostAddress &amp;, Q_UINT16 );
134 virtual bool listen( int backlog );
135 virtual int accept();
136
137 Q_LONG bytesAvailable() const;
138 Q_LONG waitForMore( int msecs, bool *timeout=0 ) const;
139 Q_LONG readBlock( char *data, Q_ULONG maxlen );
140 Q_LONG writeBlock( const char *data, Q_ULONG len );
141 virtual Q_LONG writeBlock( const char *data, Q_ULONG len,
142 const QHostAddress &amp; host, Q_UINT16 port );
143
144 int getch();
145 int putch( int );
146 int ungetch(int);
147
148 Q_UINT16 port() const;
149 Q_UINT16 peerPort() const;
150 QHostAddress address() const;
151 QHostAddress peerAddress() const;
152
153 enum Error {
154 NoError,
155 AlreadyBound,
156 Inaccessible,
157 NoResources,
158 InternalError,
159 Bug = InternalError, // ### remove in 4.0?
160 Impossible,
161 NoFiles,
162 ConnectionRefused,
163 NetworkFailure,
164 UnknownError
165 };
166 Error error() const;
167
168protected:
169 void setError( Error err );
170
171private:
172 int fd;
173 Type t;
174 Q_UINT16 p;
175 QHostAddress a;
176 Q_UINT16 pp;
177 QHostAddress pa;
178 QSocketDevice::Error e;
179 QSocketDevicePrivate * d;
180
181 enum Option { Broadcast, ReceiveBuffer, ReuseAddress, SendBuffer };
182
183 int option( Option ) const;
184 virtual void setOption( Option, int );
185
186 void fetchConnectionParameters();
187#if defined(Q_OS_WIN32)
188 void fetchPeerConnectionParameters();
189#endif
190
191 static void init();
192 int createNewSocket();
193 Protocol getProtocol() const;
194
195private: // Disabled copy constructor and operator=
196#if defined(Q_DISABLE_COPY)
197 QSocketDevice( const QSocketDevice &amp; );
198 QSocketDevice &amp;operator=( const QSocketDevice &amp; );
199#endif
200};
201
202#endif // QT_NO_NETWORK
203#endif // QSOCKETDEVICE_H
204</pre>
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