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Router

runtime_capabilities

Struct Router 

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pub struct Router<T: CapabilityBound> { /* private fields */ }
Expand description

A Router is a capability that lets the holder obtain other capabilities asynchronously. Router is the object capability representation of Routable.

During routing, a request usually traverses through the component topology, passing through several routers, ending up at some router that will fulfill the request instead of forwarding it upstream.

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impl<T: CapabilityBound> Router<T>

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pub fn new(routable: impl Routable<T> + 'static) -> Self

Package a Routable object into a Router.

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pub fn new_error(error: impl Into<RouterError>) -> Self

Creates a router that will always fail a request with the provided error.

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pub fn new_debug(source: CapabilitySource) -> Self

Creates a router that will always return the given debug info.

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pub async fn route( &self, request: RouteRequest, target: WeakInstanceToken, ) -> Result<Option<T>, RouterError>

Obtain a capability from this router, following the description in request.

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pub async fn route_debug( &self, request: RouteRequest, target: WeakInstanceToken, ) -> Result<CapabilitySource, RouterError>

Obtain a CapabilitySource from this router, following the description in request.

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impl<T: Clone + CapabilityBound> Router<T>

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pub fn new_ok(c: impl Into<T>) -> Self

Creates a router that will always resolve with the provided capability.

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impl Router<Connector>

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pub fn serve_and_register( self, stream: ConnectorRouterRequestStream, koid: Koid, token: WeakInstanceToken, )

Serves the fuchsia.sandbox.Router protocol and moves ourself into the registry.

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impl Router<Data>

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pub fn serve_and_register( self, stream: DataRouterRequestStream, koid: Koid, token: WeakInstanceToken, )

Serves the fuchsia.sandbox.Router protocol and moves ourself into the registry.

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impl Router<Dictionary>

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pub fn serve_and_register( self, stream: DictionaryRouterRequestStream, koid: Koid, token: WeakInstanceToken, )

Serves the fuchsia.sandbox.Router protocol and moves ourself into the registry.

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impl Router<DirConnector>

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pub fn serve_and_register( self, stream: DirConnectorRouterRequestStream, koid: Koid, token: WeakInstanceToken, )

Serves the fuchsia.sandbox.Router protocol and moves ourself into the registry.

Trait Implementations§

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impl CapabilityBound for Router<Connector>

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fn debug_typename() -> &'static str

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impl CapabilityBound for Router<Data>

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fn debug_typename() -> &'static str

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impl CapabilityBound for Router<Dictionary>

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fn debug_typename() -> &'static str

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impl CapabilityBound for Router<DirConnector>

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fn debug_typename() -> &'static str

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impl<T: Clone + CapabilityBound> Clone for Router<T>

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fn clone(&self) -> Router<T>

Returns a duplicate 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<T: CapabilityBound> Debug for Router<T>

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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 From<Router<Connector>> for Capability

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fn from(f: Router<Connector>) -> Self

Converts to this type from the input type.
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impl From<Router<Data>> for Capability

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fn from(f: Router<Data>) -> Self

Converts to this type from the input type.
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impl From<Router<Dictionary>> for Capability

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fn from(f: Router<Dictionary>) -> Self

Converts to this type from the input type.
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impl From<Router<DirConnector>> for Capability

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fn from(f: Router<DirConnector>) -> Self

Converts to this type from the input type.
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impl FromEnum<Capability> for Router<Connector>

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fn from_enum(e: &Capability) -> Option<&Self>

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impl FromEnum<Capability> for Router<Data>

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fn from_enum(e: &Capability) -> Option<&Self>

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impl FromEnum<Capability> for Router<Dictionary>

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fn from_enum(e: &Capability) -> Option<&Self>

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impl FromEnum<Capability> for Router<DirConnector>

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fn from_enum(e: &Capability) -> Option<&Self>

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impl IntoFsandboxCapability for Router<Connector>

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fn into_fsandbox_capability(self, token: WeakInstanceToken) -> Capability

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impl IntoFsandboxCapability for Router<Data>

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fn into_fsandbox_capability(self, token: WeakInstanceToken) -> Capability

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impl IntoFsandboxCapability for Router<Dictionary>

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fn into_fsandbox_capability(self, token: WeakInstanceToken) -> Capability

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impl IntoFsandboxCapability for Router<DirConnector>

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fn into_fsandbox_capability(self, token: WeakInstanceToken) -> Capability

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impl RemotableCapability for Router<Connector>

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fn try_into_directory_entry( self, scope: ExecutionScope, token: WeakInstanceToken, ) -> Result<Arc<dyn DirectoryEntry>, ConversionError>

Attempt to convert self to a DirectoryEntry which can be served in a VFS. If routing needs to be performed, token should be the WeakInstanceToken used for the route. Read more
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impl RemotableCapability for Router<Data>

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fn try_into_directory_entry( self, scope: ExecutionScope, token: WeakInstanceToken, ) -> Result<Arc<dyn DirectoryEntry>, ConversionError>

Attempt to convert self to a DirectoryEntry which can be served in a VFS. If routing needs to be performed, token should be the WeakInstanceToken used for the route. Read more
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impl RemotableCapability for Router<Dictionary>

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fn try_into_directory_entry( self, scope: ExecutionScope, token: WeakInstanceToken, ) -> Result<Arc<dyn DirectoryEntry>, ConversionError>

Attempt to convert self to a DirectoryEntry which can be served in a VFS. If routing needs to be performed, token should be the WeakInstanceToken used for the route. Read more
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impl RemotableCapability for Router<DirConnector>

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fn try_into_directory_entry( self, scope: ExecutionScope, token: WeakInstanceToken, ) -> Result<Arc<dyn DirectoryEntry>, ConversionError>

Attempt to convert self to a DirectoryEntry which can be served in a VFS. If routing needs to be performed, token should be the WeakInstanceToken used for the route. Read more
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impl<T: CapabilityBound> Routable<T> for Router<T>

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fn route<'life0, 'async_trait>( &'life0 self, request: RouteRequest, target: WeakInstanceToken, ) -> Pin<Box<dyn Future<Output = Result<Option<T>, RouterError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

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fn route_debug<'life0, 'async_trait>( &'life0 self, request: RouteRequest, target: WeakInstanceToken, ) -> Pin<Box<dyn Future<Output = Result<CapabilitySource, RouterError>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Performs the same operation as route, but returns a fidl_fuchsia_internal::CapabilitySource persisted into bytes.
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impl TryFrom<Capability> for Router<Connector>

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type Error = ()

The type returned in the event of a conversion error.
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fn try_from(c: Capability) -> Result<Self, Self::Error>

Performs the conversion.
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impl TryFrom<Capability> for Router<Data>

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type Error = ()

The type returned in the event of a conversion error.
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fn try_from(c: Capability) -> Result<Self, Self::Error>

Performs the conversion.
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impl TryFrom<Capability> for Router<Dictionary>

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type Error = ()

The type returned in the event of a conversion error.
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fn try_from(c: Capability) -> Result<Self, Self::Error>

Performs the conversion.
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impl TryFrom<Capability> for Router<DirConnector>

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type Error = ()

The type returned in the event of a conversion error.
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fn try_from(c: Capability) -> Result<Self, Self::Error>

Performs the conversion.

Auto Trait Implementations§

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impl<T> Freeze for Router<T>

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impl<T> !RefUnwindSafe for Router<T>

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impl<T> Send for Router<T>

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impl<T> Sync for Router<T>

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impl<T> Unpin for Router<T>

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impl<T> UnsafeUnpin for Router<T>

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impl<T> !UnwindSafe for Router<T>

Blanket Implementations§

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

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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,

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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,

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

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> DynClone for T
where T: Clone,

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fn __clone_box(&self, _: Private) -> *mut ()

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impl<T, D> Encode<Ambiguous1, D> for T
where D: ResourceDialect,

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unsafe fn encode( self, _encoder: &mut Encoder<'_, D>, _offset: usize, _depth: Depth, ) -> Result<(), Error>

Encodes the object into the encoder’s buffers. Any handles stored in the object are swapped for Handle::INVALID. Read more
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impl<T, D> Encode<Ambiguous2, D> for T
where D: ResourceDialect,

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unsafe fn encode( self, _encoder: &mut Encoder<'_, D>, _offset: usize, _depth: Depth, ) -> Result<(), Error>

Encodes the object into the encoder’s buffers. Any handles stored in the object are swapped for Handle::INVALID. Read more
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impl<F, N> FidlIntoNative<Box<N>> for F
where F: FidlIntoNative<N>,

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fn fidl_into_native(self) -> Box<N>

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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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> IntoAny for T
where T: 'static + Send + Sync,

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fn into_any(self: Arc<T>) -> Arc<dyn Any + Send + Sync>

Cast the given object into a dyn std::any::Any.
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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V