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https://github.com/drogue-iot/ector
Ector is an open source async, no-alloc actor framework for embedded devices.
https://github.com/drogue-iot/ector
Last synced: about 1 month ago
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Ector is an open source async, no-alloc actor framework for embedded devices.
- Host: GitHub
- URL: https://github.com/drogue-iot/ector
- Owner: drogue-iot
- License: apache-2.0
- Created: 2022-06-14T08:19:47.000Z (about 2 years ago)
- Default Branch: main
- Last Pushed: 2024-02-06T15:15:36.000Z (5 months ago)
- Last Synced: 2024-05-09T18:42:35.151Z (about 2 months ago)
- Language: Rust
- Size: 81.1 KB
- Stars: 36
- Watchers: 6
- Forks: 5
- Open Issues: 2
-
Metadata Files:
- Readme: README.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
Lists
- awesome-embedded-rust - ector
- awesome-embedded-rust - ector
README
# Ector is an open source async, no-alloc actor framework for embedded devices.
[](https://github.com/drogue-iot/ector/actions/workflows/ci.yaml)
[](https://crates.io/crates/ector)
[](https://docs.rs/ector)
[](https://matrix.to/#/#drogue-iot:matrix.org)
Ector is an open source async, no-alloc actor framework for embedded devices. It integrates with [embassy](https://github.com/embassy-rs/embassy), the embedded async project.
## Actor System
An _actor system_ is a framework that allows for isolating state within narrow contexts, making it easier to reason about system.
Within a actor system, the primary component is an _Actor_, which represents the boundary of state usage.
Each actor has exclusive access to its own state and only communicates with other actors through message-passing.
## Example
```rust
#![macro_use]
#![feature(generic_associated_types)]
#![feature(type_alias_impl_trait)]
use ector::*;
/// A Counter that we wish to create an Actor for.
pub struct Counter {
count: u32,
}
// The message our actor will handle.
pub struct Increment;
/// An Actor implements the Actor trait.
impl Actor for Counter {
/// The Message associated type is the message types that the Actor can receive.
type Message = Increment;
/// An actor has to implement the on_mount method. on_mount() is invoked when the internals of an actor is ready,
/// and the actor can begin to receive messages from an inbox.
///
/// The following arguments are provided:
/// * The address to 'self'
/// * An inbox from which the actor can receive messages
async fn on_mount(&mut self, _: Address>, mut inbox: M) -> !
where M: Inbox> {
{
loop {
// Await the next message and increment the counter
let _ = inbox.next().await;
self.count += 1;
}
}
}
/// The entry point of the application is using the embassy runtime.
#[embassy::main]
async fn main(spawner: embassy::executor::Spawner) {
// Mounting the Actor will spawn an embassy task
let addr = ector::actor!(spawner, counter, Counter, Counter { count 0 });
// The actor address may be used in any embassy task to communicate with the actor.
let _ = addr.notify(Increment).await;
}
```
## Building
To build `ector`, you must install the [nightly rust toolchain](https://rustup.rs/). Once
installed, you can build and test the framework by running
~~~shell
cargo test
~~~
## Directory layout
* `ector` - an actor framework
* `macros` - macros used by drogue-device and application code
## Contributing
See the document [CONTRIBUTING.md](CONTRIBUTING.md).
## Community
* [Drogue IoT Matrix Chat Room](https://matrix.to/#/#drogue-iot:matrix.org)
* We have bi-weekly calls at 9:00 AM (GMT). [Check the calendar](https://calendar.google.com/calendar/u/0/[email protected]&pli=1) to see which week we are having the next call, and feel free to join!
* [Drogue IoT Forum](https://discourse.drogue.io/)
* [Drogue IoT YouTube channel](https://www.youtube.com/channel/UC7GZUy2hKidvY6V_3QZfCcA)
* [Follow us on Twitter!](https://twitter.com/DrogueIoT)