| //! Abstraction of various request/reply communication backends. | |
| //! | |
| //! Provides a [`RequestReplyLayer`] trait as an abstraction for different request/reply | |
| //! systems. The following set of backends are currently supported: | |
| //! | |
| //! TODO | |
| pub use tcp::*; | |
| mod tcp; | |
| /// Abstraction trait for different publisher/subscriber implementations. | |
| pub trait RequestReplyLayer: Send + Sync { | |
| type Address; | |
| type RequestData; | |
| type ReplyData; | |
| type Error; | |
| fn listen( | |
| &mut self, | |
| addr: Self::Address, | |
| ) -> Result< | |
| Box< | |
| dyn Iterator< | |
| Item = Result< | |
| Box< | |
| dyn ListenConnection< | |
| RequestData = Self::RequestData, | |
| ReplyData = Self::ReplyData, | |
| Error = Self::Error, | |
| >, | |
| >, | |
| Self::Error, | |
| >, | |
| >, | |
| >, | |
| Self::Error, | |
| >; | |
| fn connect( | |
| &mut self, | |
| addr: Self::Address, | |
| ) -> Result< | |
| Box< | |
| dyn RequestReplyConnection< | |
| RequestData = Self::RequestData, | |
| ReplyData = Self::ReplyData, | |
| Error = Self::Error, | |
| >, | |
| >, | |
| Self::Error, | |
| >; | |
| } | |
| pub trait ListenConnection: Send + Sync { | |
| type RequestData; | |
| type ReplyData; | |
| type Error; | |
| fn handle_next( | |
| &mut self, | |
| handler: Box<dyn FnOnce(Self::RequestData) -> Result<Self::ReplyData, Self::Error>>, | |
| ) -> Result<(), Self::Error>; | |
| } | |
| pub trait RequestReplyConnection: Send + Sync { | |
| type RequestData; | |
| type ReplyData; | |
| type Error; | |
| fn request(&mut self, request: &Self::RequestData) -> Result<Self::ReplyData, Self::Error>; | |
| } | |