QTcpSocket Class

The QTcpSocket class provides a TCP socket. More…

Header	`#include <QTcpSocket>`
CMake	`target_link_libraries(app PRIVATE Nt::Network)`
Module	Nt Network C++ Classes
Inherits	QAbstractSocket
Inherited by	QSslSocket

List of all members, including inherited members

Public Functions

	QTcpSocket(QObject *parent = nullptr)
	~QTcpSocket()

Protected Functions

QTcpSocket(SocketType type, QObject *parent)

Detailed Description

QTcpSocket is a stream-oriented QAbstractSocket for TCP clients. Connect with connectToHost() and use the QIODevice read and write functions:

QTcpSocket socket;
socket.connectToHost("example.com", 80);
if (socket.waitForConnected(3000)) {
    socket.write("GET / HTTP/1.0\r\n\r\n");
    socket.waitForReadyRead(3000);
    QByteArray reply = socket.readAll();
}

See also QAbstractSocket, QUdpSocket and QTcpServer.

Differences from Qt

QTcpSocket adds nothing to QAbstractSocket and there is no QSslSocket subclass. The protected constructor taking a SocketType replaces Qt's constructor that takes a private class.

Member Function Documentation

[explicit] QTcpSocket::QTcpSocket(QObject **parent* = nullptr)

Creates a TCP socket with the given parent. The socket is not connected.

[protected] QTcpSocket::QTcpSocket(SocketType type, QObject **parent*)

Creates a socket of the given type with the given parent. This constructor is for subclasses that need a socket type other than TcpSocket.

[override] QTcpSocket::~QTcpSocket()

Destroys the socket, closing any connection.