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distant/distant-core/src/manager/server/handler.rs

69 lines
2.2 KiB
Rust

use crate::{
data::Map, manager::data::Destination, DistantMsg, DistantRequestData, DistantResponseData,
};
use async_trait::async_trait;
use distant_net::{AuthClient, Request, Response, TypedAsyncRead, TypedAsyncWrite};
use std::{future::Future, io};
pub type BoxedDistantWriter =
Box<dyn TypedAsyncWrite<Request<DistantMsg<DistantRequestData>>> + Send>;
pub type BoxedDistantReader =
Box<dyn TypedAsyncRead<Response<DistantMsg<DistantResponseData>>> + Send>;
pub type BoxedDistantWriterReader = (BoxedDistantWriter, BoxedDistantReader);
pub type BoxedLaunchHandler = Box<dyn LaunchHandler>;
pub type BoxedConnectHandler = Box<dyn ConnectHandler>;
/// Used to launch a server at the specified destination, returning some result as a vec of bytes
#[async_trait]
pub trait LaunchHandler: Send + Sync {
async fn launch(
&self,
destination: &Destination,
options: &Map,
auth_client: &mut AuthClient,
) -> io::Result<Destination>;
}
#[async_trait]
impl<F, R> LaunchHandler for F
where
F: for<'a> Fn(&'a Destination, &'a Map, &'a mut AuthClient) -> R + Send + Sync + 'static,
R: Future<Output = io::Result<Destination>> + Send + 'static,
{
async fn launch(
&self,
destination: &Destination,
options: &Map,
auth_client: &mut AuthClient,
) -> io::Result<Destination> {
self(destination, options, auth_client).await
}
}
/// Used to connect to a destination, returning a connected reader and writer pair
#[async_trait]
pub trait ConnectHandler: Send + Sync {
async fn connect(
&self,
destination: &Destination,
options: &Map,
auth_client: &mut AuthClient,
) -> io::Result<BoxedDistantWriterReader>;
}
#[async_trait]
impl<F, R> ConnectHandler for F
where
F: for<'a> Fn(&'a Destination, &'a Map, &'a mut AuthClient) -> R + Send + Sync + 'static,
R: Future<Output = io::Result<BoxedDistantWriterReader>> + Send + 'static,
{
async fn connect(
&self,
destination: &Destination,
options: &Map,
auth_client: &mut AuthClient,
) -> io::Result<BoxedDistantWriterReader> {
self(destination, options, auth_client).await
}
}