Connection

Struct Connection 

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pub struct Connection { /* private fields */ }
Expand description

An open connection from an RPC client.

Tracks information that persists from one request to another.

The client might not have authenticated; access and permissions control is handled via the capability system. Specifically, the objects table in Inner hold capabilities that the client will use to do things, including an RpcSession.

§In the Arti RPC System

A connection to Arti.

This object is available as soon as you open a connection to Arti RPC, even before you authenticate. Its ObjectId is always "connection".

Because this object is available before authentication, it provides only those methods that you need in order to perform authentication and receive an RpcSession.

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impl Connection

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pub async fn run<IN, OUT>( self: Arc<Self>, input: IN, output: OUT, ) -> Result<(), ConnectionError>
where IN: AsyncRead + Send + Sync + Unpin + 'static, OUT: AsyncWrite + Send + Sync + Unpin + 'static,

Run in a loop, decoding JSON requests from input and writing JSON responses onto output.

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impl Context for Connection

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fn lookup_object(&self, id: &ObjectId) -> Result<Arc<dyn Object>, LookupError>

Look up an object by identity within this context.
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fn register_owned(&self, object: Arc<dyn Object>) -> ObjectId

Create an owning reference to object within this context. Read more
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fn release_owned(&self, id: &ObjectId) -> Result<(), LookupError>

Drop an owning reference to the object called object within this context. Read more
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fn dispatch_table(&self) -> &Arc<RwLock<DispatchTable>>

Return a dispatch table that can be used to invoke other RPC methods.
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impl Object for Connection
where Connection: Send + Sync + 'static,

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fn get_cast_table(&self) -> &CastTable

Return a CastTable that can be used to downcast a dyn Object of this type into various kinds of dyn Trait references. Read more
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fn expose_outside_of_session(&self) -> bool

Return true if this object should be given an identifier that allows it to be used outside of the session that generated it. Read more
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fn delegate(&self) -> Option<Arc<dyn Object>>

Optionally, return a delegation target for this `Object``. Read more

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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<'a, T, E> AsTaggedExplicit<'a, E> for T
where T: 'a,

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fn explicit(self, class: Class, tag: u32) -> TaggedParser<'a, Explicit, Self, E>

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impl<'a, T, E> AsTaggedImplicit<'a, E> for T
where T: 'a,

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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> ContextExt for T
where T: Context,

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fn lookup<T>(&self, id: &ObjectId) -> Result<Arc<T>, LookupError>
where T: Object,

Look up an object of a given type, and downcast it. Read more
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impl<T> Downcast for T
where T: Any,

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fn into_any(self: Box<T>) -> Box<dyn Any>

Converts Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>, which can then be downcast into Box<dyn ConcreteType> where ConcreteType implements Trait.
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Converts Rc<Trait> (where Trait: Downcast) to Rc<Any>, which can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.
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Converts &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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Converts &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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Converts Box<Trait> (where Trait: DowncastSend) to Box<dyn Any + Send>, which can then be downcast into Box<ConcreteType> where ConcreteType implements Trait.
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where T: Any + Send + Sync,

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fn into_any_sync(self: Box<T>) -> Box<dyn Any + Send + Sync>

Converts Box<Trait> (where Trait: DowncastSync) to Box<dyn Any + Send + Sync>, which can then be downcast into Box<ConcreteType> where ConcreteType implements Trait.
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Converts Arc<Trait> (where Trait: DowncastSync) to Arc<Any>, which can then be downcast into Arc<ConcreteType> where ConcreteType implements Trait.
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Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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type Output = T

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