Trait Middleware 

pub trait Middleware<T>: Send + Sync {
    // Required method
    fn process<'life0, 'life1, 'life2, 'async_trait>(
        &'life0 self,
        state: &'life1 mut RequestState<T>,
        payload: &'life2 Bytes,
    ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
       where Self: 'async_trait,
             'life0: 'async_trait,
             'life1: 'async_trait,
             'life2: 'async_trait;
}

Middleware trait

Middlewares can inspect and modify request state before handlers execute. They can also short-circuit the request by returning an error.

Required Methods

fn process<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, state: &'life1 mut RequestState<T>, payload: &'life2 Bytes, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

Process the request state before the handler executes

Return Ok(()) to continue to the next middleware/handler. Return Err(_) to short-circuit and return an error response.

Implementors