SUBSCRIBE and SUBACK packets packet - Githubissues

Marwan141 / MinQTT

A minimalistic implementation of an MQTT Client library, with built-in encryption options.

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SUBSCRIBE and SUBACK packets packet #10

Closed Marwan141 closed 1 month ago

Marwan141 commented 1 month ago

This pull request introduces several enhancements and modifications to the MQTT client implementation in src/main.rs and src/packet.rs. The key changes include adding support for MQTT subscriptions, improving packet handling, and updating connection parameters.

MQTT Subscription Support:

src/main.rs: Added support for subscribing to topics upon connection, including encoding and sending MqttSubscribe packets and handling SUBACK responses.
src/packet.rs: Introduced the MqttSubscribe struct with an encode method to facilitate subscription packet creation.

Packet Handling Enhancements:

src/main.rs: Improved packet type handling in the main loop, including decoding PUBLISH packets and differentiating between known and unknown packet types.
src/packet.rs: Enhanced the MqttPublish struct to include dup and retain flags and updated the encode method to handle these flags.

Connection Parameter Updates:

src/main.rs: Changed the MQTT broker address and client ID for better testing and added a longer keep-alive interval to maintain the connection.