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QModbusTcpConnectionObserver Class

QModbusTcConnectionObserver 类表示可传递给QModbusTcpServer::installConnectionObserver 的对象的接口。更多

头文件： #include <QModbusTcpConnectionObserver>
CMake： find_package(Qt6 REQUIRED COMPONENTS SerialBus)
target_link_libraries(mytarget PRIVATE Qt6::SerialBus)
qmake： QT += serialbus

公共函数

virtual bool acceptNewConnection(QTcpSocket *newClient) = 0

详细说明

开发人员必须实现该接口，才能监控来自其他 Modbus 客户端的每个传入 TCP 连接。

另请参阅 QModbusTcpServer::installConnectionObserver 。

成员函数文档

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

该函数是每个传入 TCP 连接的回调函数。用户应提供newClient ，以便在建立新客户端连接时接收通知，并确定是否接受该连接。

如果连接被接受，函数应返回true 。否则，套接字将被关闭/拒绝。

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