rust-mqtt/src/network/mod.rs
2022-04-28 14:27:09 +02:00

67 lines
2.1 KiB
Rust

/*
* MIT License
*
* Copyright (c) [2022] [Ondrej Babec <ond.babec@gmail.com>]
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
use core::future::Future;
use crate::packet::v5::reason_codes::ReasonCode;
#[derive(Debug)]
pub enum NetworkError {
Connection,
Unknown,
QoSAck,
IDNotMatchedOnAck,
NoMatchingSubs,
}
pub trait NetworkConnectionFactory: Sized {
type Connection: NetworkConnection;
type ConnectionFuture<'m>: Future<Output = Result<Self::Connection, ReasonCode>>
where
Self: 'm;
fn connect<'m>(&'m mut self, ip: [u8; 4], port: u16) -> Self::ConnectionFuture<'m>;
}
pub trait NetworkConnection {
type SendFuture<'m>: Future<Output = Result<(), ReasonCode>>
where
Self: 'm;
type ReceiveFuture<'m>: Future<Output = Result<usize, ReasonCode>>
where
Self: 'm;
type CloseFuture<'m>: Future<Output = Result<(), ReasonCode>>
where
Self: 'm;
fn send<'m>(&'m mut self, buffer: &'m [u8]) -> Self::SendFuture<'m>;
fn receive<'m>(&'m mut self, buffer: &'m mut [u8]) -> Self::ReceiveFuture<'m>;
fn close<'m>(self) -> Self::CloseFuture<'m>;
}