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#![cfg_attr(not(test), no_std)]
mod client;
mod eventloop;
mod options;
mod state;
pub use client::{temp::OwnedRequest, Client};
use core::convert::TryFrom;
use embedded_time::clock;
pub use eventloop::EventLoop;
use heapless::{String, Vec};
use mqttrs::Pid;
pub use mqttrs::{
Connect, Packet, Protocol, Publish, QoS, QosPid, Suback, Subscribe, SubscribeReturnCodes,
SubscribeTopic, Unsubscribe,
};
pub use mqttrust::{
Mqtt, MqttError, PublishRequest, Request, SubscribeRequest, UnsubscribeRequest,
};
pub use options::{Broker, MqttOptions};
use state::StateError;
#[derive(Debug, PartialEq)]
pub struct PublishNotification {
pub dup: bool,
pub qospid: QosPid,
pub retain: bool,
pub topic_name: String<256>,
pub payload: Vec<u8, 2048>,
}
#[derive(Debug, PartialEq)]
pub enum Notification {
ConnAck,
Publish(PublishNotification),
Puback(Pid),
Pubrec(Pid),
Pubcomp(Pid),
Suback(Suback),
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.qospid,
retain: p.retain,
topic_name: String::from(p.topic_name),
payload: Vec::from_slice(p.payload).map_err(|_| {
defmt::error!("Failed to convert payload to notification!");
StateError::PayloadEncoding
})?,
})
}
}
#[derive(Debug, PartialEq)]
pub enum EventError {
MqttState(StateError),
Timeout,
Encoding(mqttrs::Error),
Network(NetworkError),
BufferSize,
Clock,
}
#[derive(Debug, PartialEq, defmt::Format)]
pub enum NetworkError {
Read,
Write,
NoSocket,
SocketOpen,
SocketConnect,
SocketClosed,
DnsLookupFailed,
}
impl From<mqttrs::Error> for EventError {
fn from(e: mqttrs::Error) -> Self {
EventError::Encoding(e)
}
}
impl From<StateError> for EventError {
fn from(e: StateError) -> Self {
EventError::MqttState(e)
}
}
impl From<clock::Error> for EventError {
fn from(_e: clock::Error) -> Self {
EventError::Clock
}
}