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#![cfg_attr(not(test), no_std)]
#[cfg(feature = "std")]
extern crate std;
pub(crate) mod fmt;
mod client;
mod eventloop;
mod options;
mod packet;
mod state;
pub use bbqueue;
pub use client::Client;
use core::convert::TryFrom;
pub use eventloop::EventLoop;
use heapless::{String, Vec};
pub use mqttrust::encoding::v4::{Pid, Publish, QoS, QosPid, Suback};
pub use mqttrust::*;
pub use options::{Broker, MqttOptions};
use state::StateError;
#[derive(Debug, PartialEq)]
#[cfg_attr(feature = "defmt-impl", derive(defmt::Format))]
pub struct PublishNotification {
pub dup: bool,
pub qospid: QoS,
pub retain: bool,
pub topic_name: String<256>,
pub payload: Vec<u8, 4096>,
}
#[derive(Debug, PartialEq)]
pub enum Notification {
ConnAck,
#[cfg(not(feature = "std"))]
Publish(heapless::pool::singleton::Box<state::BoxedPublish, heapless::pool::Init>),
#[cfg(feature = "std")]
Publish(std::boxed::Box<PublishNotification>),
Puback(Pid),
Pubrec(Pid),
Pubcomp(Pid),
Suback(Pid),
Unsuback(Pid),
Abort(EventError),
}
impl<'a> TryFrom<Publish<'a>> for PublishNotification {
type Error = StateError;
fn try_from(p: Publish<'a>) -> Result<Self, Self::Error> {
Ok(PublishNotification {
dup: p.dup,
qospid: p.qos,
retain: p.retain,
topic_name: String::from(p.topic_name),
payload: Vec::from_slice(p.payload).map_err(|_| {
error!("Failed to convert payload to notification!");
StateError::PayloadEncoding
})?,
})
}
}
#[derive(Debug, PartialEq)]
#[cfg_attr(feature = "defmt-impl", derive(defmt::Format))]
pub enum EventError {
MqttState(StateError),
Timeout,
Encoding(mqttrust::encoding::v4::Error),
Network(NetworkError),
BufferSize,
Clock,
}
#[derive(Debug, PartialEq)]
#[cfg_attr(feature = "defmt-impl", derive(defmt::Format))]
pub enum NetworkError {
Read,
Write,
NoSocket,
SocketOpen,
SocketConnect,
SocketClosed,
DnsLookupFailed,
}
impl From<mqttrust::encoding::v4::Error> for EventError {
fn from(e: mqttrust::encoding::v4::Error) -> Self {
EventError::Encoding(e)
}
}
impl From<StateError> for EventError {
fn from(e: StateError) -> Self {
EventError::MqttState(e)
}
}