Trait coap_client::backend::Backend[−][src]

pub trait Backend<E>: Send {
    type Request: Future<Output = Result<Packet, E>> + Send;
    type Observe: Observer<E>;
    type Unobserve: Future<Output = Result<(), E>> + Send;
    fn request(&mut self, req: Packet, opts: RequestOptions) -> Self::Request;

    fn observe(
        &mut self, 
        resource: String, 
        opts: RequestOptions
    ) -> Self::Observe;

    fn unobserve(&mut self, o: Self::Observe) -> Self::Unobserve;
}

Generic transport trait for implementing CoAP client backends

Associated Types

type Request: Future<Output = Result<Packet, E>> + Send[src]

type Observe: Observer<E>[src]

type Unobserve: Future<Output = Result<(), E>> + Send[src]

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Required methods

fn request(&mut self, req: Packet, opts: RequestOptions) -> Self::Request[src]

fn observe(&mut self, resource: String, opts: RequestOptions) -> Self::Observe[src]

fn unobserve(&mut self, o: Self::Observe) -> Self::Unobserve[src]

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Implementors

impl Backend<Error> for Tokio[src]

type Request = TokioRequest<Packet>

type Observe = TokioObserve

type Unobserve = TokioRequest<()>

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