LV-MQTT-Broker
LV-MQTT-Broker copied to clipboard
LabVIEW-Open-Source
Native LabVIEW MQTT Broker Server
A PUBLISH Packet with a RETAIN flag set to 1 and a payload containing zero bytes will be processed as normal by the Server and sent to Clients with a...
It MUST set the RETAIN flag to 0 when a PUBLISH Packet is sent to a Client because it matches an established subscription regardless of how the flag was set...
When sending a PUBLISH Packet to a Client the Server MUST set the RETAIN flag to 1 if a message is sent as a result of a new subscription being...
If the Server receives a QoS 0 message with the RETAIN flag set to 1 it MUST discard any message previously retained for that topic. It SHOULD store the new...
When a new subscription is established, the last retained message, if any, on each matching topic name MUST be sent to the subscriber.
If the RETAIN flag is set to 1, in a PUBLISH Packet sent by a Client to a Server, the Server MUST store the Application Message and its QoS, so...
A PUBLISH Packet MUST NOT have both QoS bits set to 1. If a Server or Client receives a PUBLISH Packet which has both QoS bits set to 1 it...
The value of the DUP flag from an incoming PUBLISH packet is not propagated when the PUBLISH Packet is sent to subscribers by the Server. The DUP flag in the...
The DUP flag MUST be set to 0 for all QoS 0 messages.
The DUP flag MUST be set to 1 by the Client or Server when it attempts to re-deliver a PUBLISH Packet.