Boost
C++ Libraries
...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
This version of Boost is under active development. You are currently in the master branch. The current version is 1.91.0.
Represents the Quality of Service (QoS) property of the PUBLISH packets.
Defined in header <boost/mqtt5/types.hpp>
enum class qos_e : std::uint8_t;
|
Name |
Description |
|---|---|
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|
The message arrives at the receiver either once or not at all. |
|
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Ensures the message arrives at the receiver at least once. |
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All messages arrive at the receiver exactly once without loss or duplication of the messages. |
Determines how the PUBLISH packets are delivered from
the sender to the receiver.
Convenience header <boost/mqtt5.hpp>