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QModbusTcpConnectionObserver Class

The QModbusTcpConnectionObserver class represents the interface for objects that can be passed to QModbusTcpServer::installConnectionObserver. More...

Header: #include <QModbusTcpConnectionObserver>
qmake: QT += serialbus
Since: Qt 5.13

This class was introduced in Qt 5.13.

Public Functions

virtual bool acceptNewConnection(QTcpSocket *newClient) = 0

Detailed Description

The interface must be implemented by the developer to be able to monitor every incoming TCP connection from another Modbus client.

See also QModbusTcpServer::installConnectionObserver.

Member Function Documentation

[pure virtual] bool QModbusTcpConnectionObserver::acceptNewConnection(QTcpSocket *newClient)

This function is a callback for every incoming TCP connection. The user should provide newClient to receive a notification when a new client connection is established and to determine whether the connection is to be accepted.

The function should return true if the connection is to be accepted. Otherwise, the socket is closed/rejected.

© The Qt Company Ltd
Licensed under the GNU Free Documentation License, Version 1.3.
https://doc.qt.io/qt-5.13/qmodbustcpconnectionobserver.html