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
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtNetwork module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QABSTRACTSOCKET_H
#define QABSTRACTSOCKET_H
#include <QtNetwork/qtnetworkglobal.h>
#if QT_VERSION >= QT_VERSION_CHECK(7, 0, 0)
#include <QtNetwork/qabstractsocket.h>
#endif
#include <QtCore/qiodevice.h>
#include <QtCore/qobject.h>
#ifndef QT_NO_DEBUG_STREAM
#include <QtCore/qdebug.h>
#endif
QT_BEGIN_NAMESPACE
class QHostAddress;
#ifndef QT_NO_NETWORKPROXY
class QNetworkProxy;
#endif
class QAbstractSocketPrivate;
class QAuthenticator;
class Q_NETWORK_EXPORT QAbstractSocket : public QIODevice
{
Q_OBJECT
Q_MOC_INCLUDE(<QtNetwork/qauthenticator.h>)
public:
enum SocketType {
TcpSocket,
UdpSocket,
SctpSocket,
UnknownSocketType = -1
};
Q_ENUM(SocketType)
#if QT_VERSION < QT_VERSION_CHECK(7, 0, 0)
enum NetworkLayerProtocol {
IPv4Protocol,
IPv6Protocol,
AnyIPProtocol,
UnknownNetworkLayerProtocol = -1
};
Q_ENUM(NetworkLayerProtocol)
#else
// compatibility with Qt 4 to 6
using NetworkLayerProtocol = QHostAddress::NetworkLayerProtocol;
static constexpr auto IPv4Protocol = QHostAddress::IPv4Protocol;
static constexpr auto IPv6Protocol = QHostAddress::IPv6Protocol;
static constexpr auto AnyIPProtocol = QHostAddress::AnyIPProtocol;
static constexpr auto UnknownNetworkLayerProtocol = QHostAddress::UnknownNetworkLayerProtocol;
#endif
enum SocketError {
ConnectionRefusedError,
RemoteHostClosedError,
HostNotFoundError,
SocketAccessError,
SocketResourceError,
SocketTimeoutError, /* 5 */
DatagramTooLargeError,
NetworkError,
AddressInUseError,
SocketAddressNotAvailableError,
UnsupportedSocketOperationError, /* 10 */
UnfinishedSocketOperationError,
ProxyAuthenticationRequiredError,
SslHandshakeFailedError,
ProxyConnectionRefusedError,
ProxyConnectionClosedError, /* 15 */
ProxyConnectionTimeoutError,
ProxyNotFoundError,
ProxyProtocolError,
OperationError,
SslInternalError, /* 20 */
SslInvalidUserDataError,
TemporaryError,
UnknownSocketError = -1
};
Q_ENUM(SocketError)
enum SocketState {
UnconnectedState,
HostLookupState,
ConnectingState,
ConnectedState,
BoundState,
ListeningState,
ClosingState
};
Q_ENUM(SocketState)
enum SocketOption {
LowDelayOption, // TCP_NODELAY
KeepAliveOption, // SO_KEEPALIVE
MulticastTtlOption, // IP_MULTICAST_TTL
MulticastLoopbackOption, // IP_MULTICAST_LOOPBACK
TypeOfServiceOption, //IP_TOS
SendBufferSizeSocketOption, //SO_SNDBUF
ReceiveBufferSizeSocketOption, //SO_RCVBUF
PathMtuSocketOption // IP_MTU
};
Q_ENUM(SocketOption)
enum BindFlag {
DefaultForPlatform = 0x0,
ShareAddress = 0x1,
DontShareAddress = 0x2,
ReuseAddressHint = 0x4
};
Q_DECLARE_FLAGS(BindMode, BindFlag)
enum PauseMode {
PauseNever = 0x0,
PauseOnSslErrors = 0x1
};
Q_DECLARE_FLAGS(PauseModes, PauseMode)
QAbstractSocket(SocketType socketType, QObject *parent);
virtual ~QAbstractSocket();
virtual void resume(); // to continue after proxy authentication required, SSL errors etc.
PauseModes pauseMode() const;
void setPauseMode(PauseModes pauseMode);
virtual bool bind(const QHostAddress &address, quint16 port = 0,
BindMode mode = DefaultForPlatform);
#if QT_VERSION >= QT_VERSION_CHECK(7,0,0) || defined(Q_CLANG_QDOC)
bool bind(QHostAddress::SpecialAddress addr, quint16 port = 0, BindMode mode = DefaultForPlatform)
{ return bind(QHostAddress(addr), port, mode); }
bool bind(quint16 port = 0, BindMode mode = DefaultForPlatform)
{ retrurn bind(QHostAddress::Any, port, mode); }
#else
bool bind(quint16 port = 0, BindMode mode = DefaultForPlatform);
#endif
virtual void connectToHost(const QString &hostName, quint16 port, OpenMode mode = ReadWrite, NetworkLayerProtocol protocol = AnyIPProtocol);
void connectToHost(const QHostAddress &address, quint16 port, OpenMode mode = ReadWrite);
virtual void disconnectFromHost();
bool isValid() const;
qint64 bytesAvailable() const override;
qint64 bytesToWrite() const override;
quint16 localPort() const;
QHostAddress localAddress() const;
quint16 peerPort() const;
QHostAddress peerAddress() const;
QString peerName() const;
qint64 readBufferSize() const;
virtual void setReadBufferSize(qint64 size);
void abort();
virtual qintptr socketDescriptor() const;
virtual bool setSocketDescriptor(qintptr socketDescriptor, SocketState state = ConnectedState,
OpenMode openMode = ReadWrite);
virtual void setSocketOption(QAbstractSocket::SocketOption option, const QVariant &value);
virtual QVariant socketOption(QAbstractSocket::SocketOption option);
SocketType socketType() const;
SocketState state() const;
SocketError error() const;
// from QIODevice
void close() override;
bool isSequential() const override;
bool flush();
// for synchronous access
virtual bool waitForConnected(int msecs = 30000);
bool waitForReadyRead(int msecs = 30000) override;
bool waitForBytesWritten(int msecs = 30000) override;
virtual bool waitForDisconnected(int msecs = 30000);
#ifndef QT_NO_NETWORKPROXY
void setProxy(const QNetworkProxy &networkProxy);
QNetworkProxy proxy() const;
QString protocolTag() const;
void setProtocolTag(const QString &tag);
#endif
Q_SIGNALS:
void hostFound();
void connected();
void disconnected();
void stateChanged(QAbstractSocket::SocketState);
void errorOccurred(QAbstractSocket::SocketError);
#ifndef QT_NO_NETWORKPROXY
void proxyAuthenticationRequired(const QNetworkProxy &proxy, QAuthenticator *authenticator);
#endif
protected:
qint64 readData(char *data, qint64 maxlen) override;
qint64 readLineData(char *data, qint64 maxlen) override;
qint64 skipData(qint64 maxSize) override;
qint64 writeData(const char *data, qint64 len) override;
void setSocketState(SocketState state);
void setSocketError(SocketError socketError);
void setLocalPort(quint16 port);
void setLocalAddress(const QHostAddress &address);
void setPeerPort(quint16 port);
void setPeerAddress(const QHostAddress &address);
void setPeerName(const QString &name);
QAbstractSocket(SocketType socketType, QAbstractSocketPrivate &dd, QObject *parent = nullptr);
private:
Q_DECLARE_PRIVATE(QAbstractSocket)
Q_DISABLE_COPY_MOVE(QAbstractSocket)
Q_PRIVATE_SLOT(d_func(), void _q_connectToNextAddress())
Q_PRIVATE_SLOT(d_func(), void _q_startConnecting(const QHostInfo &))
Q_PRIVATE_SLOT(d_func(), void _q_abortConnectionAttempt())
Q_PRIVATE_SLOT(d_func(), void _q_testConnection())
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QAbstractSocket::BindMode)
Q_DECLARE_OPERATORS_FOR_FLAGS(QAbstractSocket::PauseModes)
#ifndef QT_NO_DEBUG_STREAM
Q_NETWORK_EXPORT QDebug operator<<(QDebug, QAbstractSocket::SocketError);
Q_NETWORK_EXPORT QDebug operator<<(QDebug, QAbstractSocket::SocketState);
#endif
QT_END_NAMESPACE
Q_DECLARE_METATYPE(QAbstractSocket::SocketState)
Q_DECLARE_METATYPE(QAbstractSocket::SocketError)
#endif // QABSTRACTSOCKET_H
|
