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Internal/Contributor docs for the Qt SDK. Note: These are NOT official API docs; those are found at https://doc.qt.io/
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qtcpserver.h
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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// Qt-Security score:significant reason:default
4
5#ifndef QTCPSERVER_H
6#define QTCPSERVER_H
7
8#include <QtNetwork/qtnetworkglobal.h>
9#include <QtCore/qobject.h>
10#include <QtNetwork/qabstractsocket.h>
11#include <QtNetwork/qhostaddress.h>
12
13QT_BEGIN_NAMESPACE
14
15
16class QTcpServerPrivate;
17#ifndef QT_NO_NETWORKPROXY
18class QNetworkProxy;
19#endif
20class QTcpSocket;
21
22class Q_NETWORK_EXPORT QTcpServer : public QObject
23{
24 Q_OBJECT
25public:
26 explicit QTcpServer(QObject *parent = nullptr);
27 virtual ~QTcpServer();
28
29 bool listen(const QHostAddress &address = QHostAddress::Any, quint16 port = 0);
30 void close();
31
32 bool isListening() const;
33
34 void setMaxPendingConnections(int numConnections);
35 int maxPendingConnections() const;
36
37 void setListenBacklogSize(int size);
38 int listenBacklogSize() const;
39
40 quint16 serverPort() const;
41 QHostAddress serverAddress() const;
42
43 qintptr socketDescriptor() const;
44 bool setSocketDescriptor(qintptr socketDescriptor);
45
46 bool waitForNewConnection(int msec = 0, bool *timedOut = nullptr);
47 virtual bool hasPendingConnections() const;
48 virtual QTcpSocket *nextPendingConnection();
49
50 QAbstractSocket::SocketError serverError() const;
51 QString errorString() const;
52
53 void pauseAccepting();
54 void resumeAccepting();
55
56#ifndef QT_NO_NETWORKPROXY
57 void setProxy(const QNetworkProxy &networkProxy);
58 QNetworkProxy proxy() const;
59#endif
60
61protected:
62 virtual void incomingConnection(qintptr handle);
63 void addPendingConnection(QTcpSocket* socket);
64
65 QTcpServer(QAbstractSocket::SocketType socketType, QTcpServerPrivate &dd,
66 QObject *parent = nullptr);
67
68Q_SIGNALS:
69 void newConnection();
70 void pendingConnectionAvailable(QPrivateSignal);
71 void acceptError(QAbstractSocket::SocketError socketError);
72
73private:
74 Q_DISABLE_COPY(QTcpServer)
75 Q_DECLARE_PRIVATE(QTcpServer)
76};
77
78QT_END_NAMESPACE
79
80#endif // QTCPSERVER_H
bool event(QEvent *) override
This virtual function receives events to an object and should return true if the event e was recogniz...
QExceptionNotifier(qintptr fd, QNativeSocketEngine *parent)
QNativeSocketEngine * engine
bool createNewSocket(QAbstractSocket::SocketType type, QAbstractSocket::NetworkLayerProtocol &protocol)
QNetworkInterface nativeMulticastInterface() const
qint64 nativeWrite(const char *data, qint64 length)
int option(QNativeSocketEngine::SocketOption option) const
bool nativeJoinMulticastGroup(const QHostAddress &groupAddress, const QNetworkInterface &iface)
bool setOption(QNativeSocketEngine::SocketOption option, int value)
int nativeSelect(QDeadlineTimer deadline, bool selectForRead) const
void setError(QAbstractSocket::SocketError error, ErrorString errorString) const
bool nativeSetMulticastInterface(const QNetworkInterface &iface)
bool checkProxy(const QHostAddress &address)
bool fetchConnectionParameters()
Fetches information about both ends of the connection: whatever is available.
bool nativeBind(const QHostAddress &address, quint16 port)
qint64 nativeSendDatagram(const char *data, qint64 length, const QIpPacketHeader &header)
bool nativeConnect(const QHostAddress &address, quint16 port)
int nativeSelect(QDeadlineTimer deadline, bool checkRead, bool checkWrite, bool *selectForRead, bool *selectForWrite) const
void setPortAndAddress(quint16 port, const QHostAddress &address, qt_sockaddr *aa, QT_SOCKLEN_T *sockAddrSize)
bool nativeLeaveMulticastGroup(const QHostAddress &groupAddress, const QNetworkInterface &iface)
QHostAddress adjustAddressProtocol(const QHostAddress &address) const
qint64 nativeRead(char *data, qint64 maxLength)
qint64 nativeReceiveDatagram(char *data, qint64 maxLength, QIpPacketHeader *header, QAbstractSocketEngine::PacketHeaderOptions options)
The QNetworkProxyQuery class is used to query the proxy settings for a socket.
QNativeSocketEngine * engine
bool event(QEvent *) override
This virtual function receives events to an object and should return true if the event e was recogniz...
QReadNotifier(qintptr fd, QNativeSocketEngine *parent)
The QTcpServer class provides a TCP-based server.
Definition qtcpserver.h:23
QWriteNotifier(qintptr fd, QNativeSocketEngine *parent)
QNativeSocketEngine * engine
bool event(QEvent *) override
\reimp
#define Q_CHECK_STATES3(function, state1, state2, state3, returnValue)
#define Q_CHECK_STATES(function, state1, state2, returnValue)
#define Q_CHECK_TYPES(function, type1, type2, returnValue)
#define Q_CHECK_VALID_SOCKETLAYER(function, returnValue)
#define Q_CHECK_NOT_STATE(function, checkState, returnValue)
#define Q_CHECK_TYPE(function, type, returnValue)
#define Q_CHECK_STATE(function, checkState, returnValue)