Struct parity_rpc::v1::metadata::Metadata

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pub struct Metadata {
    pub origin: Origin,
    pub session: Option<Arc<Session>>,
}

Expand description

RPC methods metadata.

Fields

origin: Origin

Request origin

session: Option<Arc<Session>>

Request PubSub Session

Trait Implementations

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impl Clone for Metadata

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fn clone(&self) -> Metadata

Returns a copy of the value. Read more

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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl Debug for Metadata

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl Default for Metadata

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fn default() -> Metadata

Returns the “default value” for a type. Read more

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impl MetaExtractor<Metadata> for RpcExtractor

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fn read_metadata(&self, req: &Request<Body>) -> Metadata

Read the metadata from the request

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impl MetaExtractor<Metadata> for RpcExtractor

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fn extract(&self, req: &RequestContext<'_>) -> Metadata

Extracts metadata from request context

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impl MetaExtractor<Metadata> for WsExtractor

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fn extract(&self, req: &RequestContext) -> Metadata

Extract metadata for given session

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impl<M: Middleware<Metadata>> Middleware<Metadata> for WsDispatcher<M>

type Future = Either<FutureRpcResult<M::Future, M::CallFuture>, FutureResponse>

A returned request future.

type CallFuture = NoopCallFuture

A returned call future.

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fn on_request<F, X>(
 &self,
 request: Request,
 meta: Metadata,
 process: F
) -> Either<Self::Future, X> where
 F: FnOnce(Request, Metadata) -> X,
 X: Future<Item = Option<Response>, Error = ()> + Send + 'static,

Method invoked on each request. Allows you to either respond directly (without executing RPC call) or do any additional work before and/or after processing the request. Read more

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fn on_call<F, X>(
 &self,
 call: Call,
 meta: M,
 next: F
) -> Either<Self::CallFuture, X> where
 F: Fn(Call, M) -> X + Send + Sync,
 X: 'static + Future<Item = Option<Output>, Error = ()> + Send,

Method invoked on each call inside a request. Read more

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impl PubSubMetadata for Metadata

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fn session(&self) -> Option<Arc<Session>>

Returns session object associated with given request/client. None indicates that sessions are not supported on the used transport. Read more

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impl Metadata for Metadata

Auto Trait Implementations

impl !RefUnwindSafe for Metadata

impl Send for Metadata

impl Sync for Metadata

impl Unpin for Metadata

impl !UnwindSafe for Metadata

Blanket Implementations

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impl<T> Any for T where
T: 'static + ?Sized,

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pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

pub fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> Same<T> for T

type Output = T

Should always be Self

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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pub fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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pub fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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impl<V, T> VZip<V> for T where
V: MultiLane<T>,

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pub fn vzip(self) -> V

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Struct parity_rpc::v1::metadata::Metadata

Fields

Trait Implementations

impl Clone for Metadata

fn clone(&self) -> Metadata

fn clone_from(&mut self, source: &Self)

impl Debug for Metadata

fn fmt(&self, f: &mut Formatter<'_>) -> Result

impl Default for Metadata

fn default() -> Metadata

impl MetaExtractor<Metadata> for RpcExtractor

fn read_metadata(&self, req: &Request<Body>) -> Metadata

impl MetaExtractor<Metadata> for RpcExtractor

fn extract(&self, req: &RequestContext<'_>) -> Metadata

impl MetaExtractor<Metadata> for WsExtractor

fn extract(&self, req: &RequestContext) -> Metadata

impl<M: Middleware<Metadata>> Middleware<Metadata> for WsDispatcher<M>

type Future = Either<FutureRpcResult<M::Future, M::CallFuture>, FutureResponse>

type CallFuture = NoopCallFuture

fn on_request<F, X>( &self, request: Request, meta: Metadata, process: F) -> Either<Self::Future, X> where F: FnOnce(Request, Metadata) -> X, X: Future<Item = Option<Response>, Error = ()> + Send + 'static,

fn on_call<F, X>( &self, call: Call, meta: M, next: F) -> Either<Self::CallFuture, X> where F: Fn(Call, M) -> X + Send + Sync, X: 'static + Future<Item = Option<Output>, Error = ()> + Send,

impl PubSubMetadata for Metadata

fn session(&self) -> Option<Arc<Session>>

impl Metadata for Metadata

Auto Trait Implementations

impl !RefUnwindSafe for Metadata

impl Send for Metadata

impl Sync for Metadata

impl Unpin for Metadata

impl !UnwindSafe for Metadata

Blanket Implementations

impl<T> Any for T where T: 'static + ?Sized,

pub fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

pub fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

pub fn borrow_mut(&mut self) -> &mut T

impl<T> From<T> for T

pub fn from(t: T) -> T

impl<T, U> Into<U> for T where U: From<T>,

pub fn into(self) -> U

impl<T> Same<T> for T

type Output = T

impl<T> ToOwned for T where T: Clone,

type Owned = T

pub fn to_owned(&self) -> T

pub fn clone_into(&self, target: &mut T)

impl<T, U> TryFrom<U> for T where U: Into<T>,

type Error = Infallible

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

impl<T, U> TryInto<U> for T where U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

impl<V, T> VZip<V> for T where V: MultiLane<T>,

pub fn vzip(self) -> V

impl<T> DebugIfStd for T where T: Debug,

impl<T> Erased for T

fn on_request<F, X>(
&self,
request: Request,
meta: Metadata,
process: F
) -> Either<Self::Future, X> where
F: FnOnce(Request, Metadata) -> X,
X: Future<Item = Option<Response>, Error = ()> + Send + 'static,

fn on_call<F, X>(
&self,
call: Call,
meta: M,
next: F
) -> Either<Self::CallFuture, X> where
F: Fn(Call, M) -> X + Send + Sync,
X: 'static + Future<Item = Option<Output>, Error = ()> + Send,

impl<T> Any for T where
T: 'static + ?Sized,

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T> ToOwned for T where
T: Clone,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

impl<T> DebugIfStd for T where
T: Debug,