V0.2

Works on Linux, macOS and Windows for Godot 4.

Simple Paho Wrapper (Windows only)

Uncompress it in the addons folder

API

# Initialize the client
# @param id string to use as the client id
# @param host the broker address
# @param port the broker port
# @return the reason code, if something wrong happen. 0 = OK (see https://docs.oasis-open.org/mqtt/mqtt/v5.0/os/mqtt-v5.0-os.html#_Toc3901031)
initialise(id: String, host: String, port: String) -> int

# Set username & password
# @param p_username username
# @param p_pasword password
# @return the reason code, if something wrong happen. 0 = OK (see https://docs.oasis-open.org/mqtt/mqtt/v5.0/os/mqtt-v5.0-os.html#_Toc3901031)
username_pw_set(username: String, password: String) -> int

# Return true if connected 
# @return true if connected 
is_connected_to_broker() -> bool

# Connect the client to the broker (server)
# @param clean_session set to true to instruct the broker to clean all messages and subscriptions on disconnect, false to instruct it to keep them
# @param broker_keep_alive keep alive time
# @return the reason code, if something wrong happen. 0 = OK (see https://docs.oasis-open.org/mqtt/mqtt/v5.0/os/mqtt-v5.0-os.html#_Toc3901031)
broker_connect(clean_session: bool, keep_alive: int) -> int

# Reconnect the client to the broker (server)
# @return the reason code, if something wrong happen. 0 = OK (see https://docs.oasis-open.org/mqtt/mqtt/v5.0/os/mqtt-v5.0-os.html#_Toc3901031)
broker_reconnect() -> int

# Disconnect the client
# @return the reason code, if something wrong happen. 0 = OK (see https://docs.oasis-open.org/mqtt/mqtt/v5.0/os/mqtt-v5.0-os.html#_Toc3901031)
broker_disconnect() -> int

# Publish to a topic
# @param topic the name of the topic
# @param data the data to send
# @param qos the QoS used
# @param retain if true the data is retained
# @return the reason code, if something wrong happen. 0 = OK (see https://docs.oasis-open.org/mqtt/mqtt/v5.0/os/mqtt-v5.0-os.html#_Toc3901031)
publish(topic: String, data: String, qos: int, retain: bool) -> int

# Subscribe to a topic
# @param topic the name of the topic
# @param qos the QoS used
# @return the reason code, if something wrong happen. 0 = OK (see https://docs.oasis-open.org/mqtt/mqtt/v5.0/os/mqtt-v5.0-os.html#_Toc3901031)
subscribe(topic: String, qos: int) -> int

# Unsubscribe to a topic
# @param topic the name of the topic
# @return the reason code, if something wrong happen. 0 = OK (see https://docs.oasis-open.org/mqtt/mqtt/v5.0/os/mqtt-v5.0-os.html#_Toc3901031)
unsubscribe(topic: String) -> int