1// Copyright (C) 2016 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QLOCALSOCKET_P_H
5#define QLOCALSOCKET_P_H
6
7//
8// W A R N I N G
9// -------------
10//
11// This file is not part of the Qt API. It exists for the convenience
12// of the QLocalSocket class. This header file may change from
13// version to version without notice, or even be removed.
14//
15// We mean it.
16//
17
18#include <QtNetwork/private/qtnetworkglobal_p.h>
19
20#include "qlocalsocket.h"
21#include "private/qiodevice_p.h"
22
23#include <qtimer.h>
24
25QT_REQUIRE_CONFIG(localserver);
26
27#if defined(QT_LOCALSOCKET_TCP)
28# include "qtcpsocket.h"
29#elif defined(Q_OS_WIN)
30# include "private/qwindowspipereader_p.h"
31# include "private/qwindowspipewriter_p.h"
32# include <qwineventnotifier.h>
33#else
34# include "private/qabstractsocketengine_p.h"
35# include <qtcpsocket.h>
36# include <qsocketnotifier.h>
37# include <errno.h>
38#endif
39
40struct sockaddr_un;
41
42QT_BEGIN_NAMESPACE
43
44#if !defined(Q_OS_WIN) || defined(QT_LOCALSOCKET_TCP)
45
46class QLocalUnixSocket : public QTcpSocket
47{
48
49public:
50 QLocalUnixSocket() : QTcpSocket()
51 {
52 }
53
54 inline void setSocketState(QAbstractSocket::SocketState state)
55 {
56 QTcpSocket::setSocketState(state);
57 }
58
59 inline void setErrorString(const QString &string)
60 {
61 QTcpSocket::setErrorString(string);
62 }
63
64 inline void setSocketError(QAbstractSocket::SocketError error)
65 {
66 QTcpSocket::setSocketError(error);
67 }
68
69 inline qint64 readData(char *data, qint64 maxSize) override
70 {
71 return QTcpSocket::readData(data, maxlen: maxSize);
72 }
73
74 inline qint64 writeData(const char *data, qint64 maxSize) override
75 {
76 return QTcpSocket::writeData(data, len: maxSize);
77 }
78};
79#endif //#if !defined(Q_OS_WIN) || defined(QT_LOCALSOCKET_TCP)
80
81class QLocalSocketPrivate : public QIODevicePrivate
82{
83public:
84 Q_DECLARE_PUBLIC(QLocalSocket)
85
86 QLocalSocketPrivate();
87 void init();
88
89#if defined(QT_LOCALSOCKET_TCP)
90 QLocalUnixSocket* tcpSocket;
91 bool ownsTcpSocket;
92 void setSocket(QLocalUnixSocket*);
93 QString generateErrorString(QLocalSocket::LocalSocketError, const QString &function) const;
94 void setErrorAndEmit(QLocalSocket::LocalSocketError, const QString &function);
95 void _q_stateChanged(QAbstractSocket::SocketState newState);
96 void _q_errorOccurred(QAbstractSocket::SocketError newError);
97#elif defined(Q_OS_WIN)
98 ~QLocalSocketPrivate();
99 qint64 pipeWriterBytesToWrite() const;
100 void _q_canRead();
101 void _q_bytesWritten(qint64 bytes);
102 void _q_pipeClosed();
103 void _q_winError(ulong windowsError, const QString &function);
104 void _q_writeFailed();
105 HANDLE handle;
106 QWindowsPipeWriter *pipeWriter;
107 QWindowsPipeReader *pipeReader;
108 QLocalSocket::LocalSocketError error;
109#else
110 QLocalUnixSocket unixSocket;
111 QString generateErrorString(QLocalSocket::LocalSocketError, const QString &function) const;
112 void setErrorAndEmit(QLocalSocket::LocalSocketError, const QString &function);
113 void _q_stateChanged(QAbstractSocket::SocketState newState);
114 void _q_errorOccurred(QAbstractSocket::SocketError newError);
115 void _q_connectToSocket();
116 void _q_abortConnectionAttempt();
117 void cancelDelayedConnect();
118 void describeSocket(qintptr socketDescriptor);
119 static bool parseSockaddr(const sockaddr_un &addr, uint len,
120 QString &fullServerName, QString &serverName, bool &abstractNamespace);
121 QSocketNotifier *delayConnect;
122 QTimer *connectTimer;
123 QString connectingName;
124 int connectingSocket;
125 QIODevice::OpenMode connectingOpenMode;
126#endif
127 QLocalSocket::LocalSocketState state;
128 QString serverName;
129 QString fullServerName;
130#if defined(Q_OS_WIN) && !defined(QT_LOCALSOCKET_TCP)
131 bool emittedReadyRead;
132 bool emittedBytesWritten;
133#endif
134
135 Q_OBJECT_BINDABLE_PROPERTY(QLocalSocketPrivate, QLocalSocket::SocketOptions, socketOptions)
136};
137
138QT_END_NAMESPACE
139
140#endif // QLOCALSOCKET_P_H
141
142

source code of qtbase/src/network/socket/qlocalsocket_p.h