1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
|
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the Qt3Support module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef Q3SOCKET_H
#define Q3SOCKET_H
#include <QtCore/qiodevice.h>
#include <QtNetwork/qhostaddress.h> // int->QHostAddress conversion
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Qt3Support)
class Q3SocketPrivate;
class Q3SocketDevice;
class Q_COMPAT_EXPORT Q3Socket : public QIODevice
{
Q_OBJECT
public:
enum Error {
ErrConnectionRefused,
ErrHostNotFound,
ErrSocketRead
};
Q3Socket( QObject *parent=0, const char *name=0 );
virtual ~Q3Socket();
enum State { Idle, HostLookup, Connecting,
Connected, Closing,
Connection=Connected };
State state() const;
int socket() const;
virtual void setSocket( int );
Q3SocketDevice *socketDevice();
virtual void setSocketDevice( Q3SocketDevice * );
#ifndef QT_NO_DNS
virtual void connectToHost( const QString &host, Q_UINT16 port );
#endif
QString peerName() const;
// Implementation of QIODevice abstract virtual functions
bool open( OpenMode mode );
bool open(int mode) { return open((OpenMode)mode); }
void close();
bool flush();
Offset size() const;
Offset at() const;
bool at( Offset );
bool atEnd() const;
qint64 bytesAvailable() const;
Q_ULONG waitForMore( int msecs, bool *timeout ) const;
Q_ULONG waitForMore( int msecs ) const; // ### Qt 4.0: merge the two overloads
qint64 bytesToWrite() const;
void clearPendingData();
int getch();
int putch( int );
int ungetch(int);
bool canReadLine() const;
Q_UINT16 port() const;
Q_UINT16 peerPort() const;
QHostAddress address() const;
QHostAddress peerAddress() const;
void setReadBufferSize( Q_ULONG );
Q_ULONG readBufferSize() const;
inline bool isSequential() const { return true; }
Q_SIGNALS:
void hostFound();
void connected();
void connectionClosed();
void delayedCloseFinished();
void readyRead();
void bytesWritten( int nbytes );
void error( int );
protected Q_SLOTS:
virtual void sn_read( bool force=false );
virtual void sn_write();
protected:
qint64 readData(char *data, qint64 maxlen);
qint64 writeData(const char *data, qint64 len);
private Q_SLOTS:
void tryConnecting();
void emitErrorConnectionRefused();
private:
Q3SocketPrivate *d;
bool consumeWriteBuf( Q_ULONG nbytes );
void tryConnection();
void setSocketIntern( int socket );
private: // Disabled copy constructor and operator=
#if defined(Q_DISABLE_COPY)
Q3Socket( const Q3Socket & );
Q3Socket &operator=( const Q3Socket & );
#endif
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // Q3SOCKET_H
|
