Struct mosquitto_client::Callbacks

pub struct Callbacks<'a, T> {
    pub data: T,
    // some fields omitted
}

Handling mosquitto callbacks. This will pass a mutable reference to the contained data to the callbacks.

Fields

data: T

Methods

impl<'a, T> Callbacks<'a, T>

pub fn new(mosq: &Mosquitto, data: T) -> Callbacks<T>

create a new callback handler with data. Initialize with an existing Mosquitto reference.

pub fn mosq(&self) -> &Mosquitto

a reference to the Mosquitto instance

pub fn on_message<C: Fn(&mut T, MosqMessage) + 'a>(&mut self, callback: C)

provide a closure which will be called when messages arrive. You are passed a mutable reference to data and the message

pub fn on_connect<C: Fn(&mut T, i32) + 'a>(&mut self, callback: C)

provide a closure which is called when connection happens. You are passed a mutable reference to data and the status.

pub fn on_publish<C: Fn(&mut T, i32) + 'a>(&mut self, callback: C)

provide a closure which is called after publishing a message. You are passed a mutable reference to data and the message id.

pub fn on_subscribe<C: Fn(&mut T, i32) + 'a>(&mut self, callback: C)

provide a closure which is called after subscribing. You are passed a mutable reference to data and the subscription id.

pub fn on_unsubscribe<C: Fn(&mut T, i32) + 'a>(&mut self, callback: C)

provide a closure which is called after unsubscribing from a topic You are passed a mutable reference to data and the subscription id.

pub fn on_disconnect<C: Fn(&mut T, i32) + 'a>(&mut self, callback: C)

provide a closure which is called when client disconnects from broker. You are passed a mutable reference to data and ....

pub fn on_log<C: Fn(&mut T, u32, &str) + 'a>(&mut self, callback: C)

provide a closure which is called for each log message You are passed a mutable reference to data, a logging level, and the text of the log message

Trait Implementations

impl<'a, T> Drop for Callbacks<'a, T>

fn drop(&mut self)

Executes the destructor for this type.