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allow TcpStreamConnector's to be made in factories
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,126 @@ | ||
| /* | ||
| /// Trait used internally by [`tcp_connect`] and the `TcpConnector` | ||
| /// to actually establish the [`TcpStream`.] | ||
| pub trait TcpStreamConnector: Send + Sync + 'static { | ||
| /// Type of error that can occurr when establishing the connection failed. | ||
| type Error; | ||
| /// Connect to the target via the given [`SocketAddr`]ess to establish a [`TcpStream`]. | ||
| fn connect( | ||
| &self, | ||
| addr: SocketAddr, | ||
| ) -> impl Future<Output = Result<TcpStream, Self::Error>> + Send + '_; | ||
| } | ||
| */ | ||
|
|
||
| use rama_core::error::BoxError; | ||
| use rama_core::Context; | ||
| use std::{convert::Infallible, future::Future, sync::Arc}; | ||
|
|
||
| use crate::client::TcpStreamConnector; | ||
|
|
||
| pub struct CreatedTcpStreamConnector<State, Connector> { | ||
| pub ctx: Context<State>, | ||
| pub connector: Connector, | ||
| } | ||
|
|
||
| pub trait TcpStreamConnectorFactory<State>: Send + Sync + 'static { | ||
| type Connector: TcpStreamConnector; | ||
| type Error; | ||
|
|
||
| fn make_connector( | ||
| &self, | ||
| ctx: Context<State>, | ||
| ) -> impl Future<Output = Result<CreatedTcpStreamConnector<State, Self::Connector>, Self::Error>> | ||
| + Send | ||
| + '_; | ||
| } | ||
|
|
||
| impl<State: Send + Sync + 'static> TcpStreamConnectorFactory<State> for () { | ||
| type Connector = (); | ||
| type Error = Infallible; | ||
|
|
||
| fn make_connector( | ||
| &self, | ||
| ctx: Context<State>, | ||
| ) -> impl Future<Output = Result<CreatedTcpStreamConnector<State, Self::Connector>, Self::Error>> | ||
| + Send | ||
| + '_ { | ||
| std::future::ready(Ok(CreatedTcpStreamConnector { ctx, connector: () })) | ||
| } | ||
| } | ||
|
|
||
| pub struct TcpStreamConnectorCloneFactory<C>(pub(super) C); | ||
|
|
||
| impl<State, C> TcpStreamConnectorFactory<State> for TcpStreamConnectorCloneFactory<C> | ||
| where | ||
| C: TcpStreamConnector + Clone, | ||
| State: Send + Sync + 'static, | ||
| { | ||
| type Connector = C; | ||
| type Error = Infallible; | ||
|
|
||
| fn make_connector( | ||
| &self, | ||
| ctx: Context<State>, | ||
| ) -> impl Future<Output = Result<CreatedTcpStreamConnector<State, Self::Connector>, Self::Error>> | ||
| + Send | ||
| + '_ { | ||
| std::future::ready(Ok(CreatedTcpStreamConnector { | ||
| ctx, | ||
| connector: self.0.clone(), | ||
| })) | ||
| } | ||
| } | ||
|
|
||
| impl<State, F> TcpStreamConnectorFactory<State> for Arc<F> | ||
| where | ||
| F: TcpStreamConnectorFactory<State>, | ||
| State: Send + Sync + 'static, | ||
| { | ||
| type Connector = F::Connector; | ||
| type Error = F::Error; | ||
|
|
||
| fn make_connector( | ||
| &self, | ||
| ctx: Context<State>, | ||
| ) -> impl Future<Output = Result<CreatedTcpStreamConnector<State, Self::Connector>, Self::Error>> | ||
| + Send | ||
| + '_ { | ||
| (**self).make_connector(ctx) | ||
| } | ||
| } | ||
|
|
||
| macro_rules! impl_stream_connector_factory_either { | ||
| ($id:ident, $($param:ident),+ $(,)?) => { | ||
| impl<State, $($param),+> TcpStreamConnectorFactory<State> for ::rama_core::combinators::$id<$($param),+> | ||
| where | ||
| State: Send + Sync + 'static, | ||
| $( | ||
| $param: TcpStreamConnectorFactory<State, Connector: TcpStreamConnector<Error: Into<BoxError>>, Error: Into<BoxError>>, | ||
| )+ | ||
| { | ||
| type Connector = ::rama_core::combinators::$id<$($param::Connector),+>; | ||
| type Error = BoxError; | ||
|
|
||
| async fn make_connector( | ||
| &self, | ||
| ctx: Context<State>, | ||
| ) -> Result<CreatedTcpStreamConnector<State, Self::Connector>, Self::Error> { | ||
| match self { | ||
| $( | ||
| ::rama_core::combinators::$id::$param(s) => match s.make_connector(ctx).await { | ||
| Err(e) => Err(e.into()), | ||
| Ok(CreatedTcpStreamConnector{ ctx, connector }) => Ok(CreatedTcpStreamConnector{ | ||
| ctx, | ||
| connector: ::rama_core::combinators::$id::$param(connector), | ||
| }), | ||
| }, | ||
| )+ | ||
| } | ||
| } | ||
| } | ||
| }; | ||
| } | ||
|
|
||
| ::rama_core::combinators::impl_either!(impl_stream_connector_factory_either); |