QMqttLastWillProperties Class

The QMqttLastWillProperties class represents configuration options a QMqttClient can pass to the server when specifying the last will during connecting to a server. More...

Header:	#include <QMqttLastWillProperties>
CMake:	find_package(Qt6 REQUIRED COMPONENTS Mqtt) target_link_libraries(mytarget PRIVATE Qt6::Mqtt)
qmake:	QT += mqtt

List of all members, including inherited members

Public Functions

QString	contentType() const
QByteArray	correlationData() const
quint32	messageExpiryInterval() const
QMqtt::PayloadFormatIndicator	payloadFormatIndicator() const
QString	responseTopic() const
void	setContentType(const QString &content)
void	setCorrelationData(const QByteArray &correlation)
void	setMessageExpiryInterval(quint32 expiry)
void	setPayloadFormatIndicator(QMqtt::PayloadFormatIndicator p)
void	setResponseTopic(const QString &response)
void	setUserProperties(const QMqttUserProperties &properties)
void	setWillDelayInterval(quint32 delay)
QMqttUserProperties	userProperties() const
quint32	willDelayInterval() const

Detailed Description

Note: Last Will properties are part of the MQTT 5.0 specification and cannot be used when connecting with a lower protocol level. See QMqttClient::ProtocolVersion for more information.

Member Function Documentation

QString QMqttLastWillProperties::contentType() const

Returns the content type of the last will message.

See also setContentType().

QByteArray QMqttLastWillProperties::correlationData() const

Returns the correlation data to identify the request.

See also setCorrelationData().

quint32 QMqttLastWillProperties::messageExpiryInterval() const

Returns the lifetime of the last will message in seconds, starting from the will delay interval.

See also setMessageExpiryInterval().

QMqtt::PayloadFormatIndicator QMqttLastWillProperties::payloadFormatIndicator() const

Returns the payload format indicator.

See also setPayloadFormatIndicator().

QString QMqttLastWillProperties::responseTopic() const

Returns the topic that subscribers to the last will message should respond to.

See also setResponseTopic().

void QMqttLastWillProperties::setContentType(const QString &content)

Sets the content type to content.

See also contentType().

void QMqttLastWillProperties::setCorrelationData(const QByteArray &correlation)

Sets the correlation data to correlation.

See also correlationData().

void QMqttLastWillProperties::setMessageExpiryInterval(quint32 expiry)

Sets the message expiry interval to expiry.

See also messageExpiryInterval().

void QMqttLastWillProperties::setPayloadFormatIndicator(QMqtt::PayloadFormatIndicator p)

Sets the payload format indicator to p.

See also payloadFormatIndicator().

void QMqttLastWillProperties::setResponseTopic(const QString &response)

Sets the response topic to response.

See also responseTopic().

void QMqttLastWillProperties::setUserProperties(const QMqttUserProperties &properties)

Sets the user properties to properties.

See also userProperties().

void QMqttLastWillProperties::setWillDelayInterval(quint32 delay)

Sets the will delay interval to delay.

See also willDelayInterval().

QMqttUserProperties QMqttLastWillProperties::userProperties() const

Returns the user properties.

See also setUserProperties().

quint32 QMqttLastWillProperties::willDelayInterval() const

Returns the delay in seconds a last will message will be sent after disconnecting from the server.

See also setWillDelayInterval().

© 2024 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.