tor_cell::chancell::msg

Struct Relay

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

A Relay cell - that is, one transmitted over a circuit.

Once a circuit has been established, relay cells can be sent over it. Clients can send relay cells to any relay on the circuit. Any relay on the circuit can send relay cells to the client, either directly (if it is the first hop), or indirectly through the intermediate hops.

A different protocol is defined over the relay cells; it is implemented in the crate::relaycell module.

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impl Relay

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pub fn new<P>(body: P) -> Self
where P: AsRef<[u8]>,

Construct a Relay message from a slice containing its contents.

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pub fn from_raw(body: RawCellBody) -> Self

Construct a Relay message from its body.

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pub fn into_relay_body(self) -> BoxedCellBody

Consume this Relay message and return a BoxedCellBody for encryption/decryption.

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pub fn into_early(self) -> AnyChanMsg

Wrap this Relay message into a RelayMsg as a RELAY_EARLY cell.

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impl Body for Relay

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fn encode_onto<W: Writer + ?Sized>(self, w: &mut W) -> EncodeResult<()>

Consume this message and encode its body onto w. Read more
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fn decode_from_reader(r: &mut Reader<'_>) -> Result<Self>

Decode a channel cell body from a provided reader.
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impl ChanMsg for Relay

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fn cmd(&self) -> ChanCmd

Return the ChanCmd for this message.
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fn encode_onto<W: Writer + ?Sized>(self, w: &mut W) -> EncodeResult<()>

Write the body of this message (not including length or command).
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fn decode_from_reader(cmd: ChanCmd, r: &mut Reader<'_>) -> Result<Self>

Decode this message from a given reader, according to a specified command value. The reader must be truncated to the exact length of the body.
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impl Clone for Relay

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fn clone(&self) -> Relay

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 Relay

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

Formats the value using the given formatter. Read more
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impl From<Box<[u8; 509]>> for Relay

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fn from(value: BoxedCellBody) -> Self

Converts to this type from the input type.
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impl From<Relay> for AnyChanMsg

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fn from(m: Relay) -> AnyChanMsg

Converts to this type from the input type.
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impl From<Relay> for RelayEarly

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fn from(value: Relay) -> Self

Converts to this type from the input type.
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impl From<RelayEarly> for Relay

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fn from(value: RelayEarly) -> Self

Converts to this type from the input type.
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impl HasMemoryCostStructural for Relay

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fn indirect_memory_cost(&self, et: EnabledToken) -> usize

Memory cost of data stored out-of-line Read more
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impl Readable for Relay

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fn take_from(b: &mut Reader<'_>) -> Result<Self>

Try to extract an object of this type from a Reader. Read more

Auto Trait Implementations§

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impl Freeze for Relay

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impl RefUnwindSafe for Relay

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impl Send for Relay

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impl Sync for Relay

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impl Unpin for Relay

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impl UnwindSafe for Relay

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<'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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fn implicit( self, class: Class, constructed: bool, tag: u32, ) -> TaggedParser<'a, Implicit, Self, E>

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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> 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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fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>

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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fn as_any(&self) -> &(dyn Any + 'static)

Converts &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

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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impl<T> DowncastSend for T
where T: Any + Send,

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

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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impl<T> DowncastSync for T
where T: Any + Send + Sync,

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

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

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

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

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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> HasMemoryCost for T
where T: HasMemoryCostStructural,

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fn memory_cost(&self, et: EnabledToken) -> usize

Returns the memory cost of self, in bytes Read more
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impl<T> HasTypedMemoryCost<T> for T
where T: HasMemoryCost,

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fn typed_memory_cost(&self, enabled: EnabledToken) -> TypedMemoryCost<T>

The cost, as a TypedMemoryCost<T> rather than a raw usize
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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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> 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> Same for T

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type Output = T

Should always be Self
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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

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a [WithDispatch] wrapper. Read more
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impl<T> ErasedDestructor for T
where T: 'static,

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impl<T> MaybeSendSync for T