Struct libp2p::core::upgrade::OptionalUpgrade

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pub struct OptionalUpgrade<T>(_);
Expand description

Upgrade that can be disabled at runtime.

Wraps around an Option<T> and makes it available or not depending on whether it contains or not an upgrade.

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impl<T> OptionalUpgrade<T>

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pub fn some(inner: T) -> OptionalUpgrade<T>

Creates an enabled OptionalUpgrade.

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pub fn none() -> OptionalUpgrade<T>

Creates a disabled OptionalUpgrade.

Trait Implementations§

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

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

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<T> Debug for OptionalUpgrade<T>where T: Debug,

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

Formats the value using the given formatter. Read more
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impl<C, T> InboundUpgrade<C> for OptionalUpgrade<T>where T: InboundUpgrade<C>,

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type Output = <T as InboundUpgrade<C>>::Output

Output after the upgrade has been successfully negotiated and the handshake performed.
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type Error = <T as InboundUpgrade<C>>::Error

Possible error during the handshake.
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type Future = <T as InboundUpgrade<C>>::Future

Future that performs the handshake with the remote.
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fn upgrade_inbound( self, sock: C, info: <OptionalUpgrade<T> as UpgradeInfo>::Info ) -> <OptionalUpgrade<T> as InboundUpgrade<C>>::Future

After we have determined that the remote supports one of the protocols we support, this method is called to start the handshake. Read more
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impl<C, T> OutboundUpgrade<C> for OptionalUpgrade<T>where T: OutboundUpgrade<C>,

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type Output = <T as OutboundUpgrade<C>>::Output

Output after the upgrade has been successfully negotiated and the handshake performed.
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type Error = <T as OutboundUpgrade<C>>::Error

Possible error during the handshake.
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type Future = <T as OutboundUpgrade<C>>::Future

Future that performs the handshake with the remote.
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fn upgrade_outbound( self, sock: C, info: <OptionalUpgrade<T> as UpgradeInfo>::Info ) -> <OptionalUpgrade<T> as OutboundUpgrade<C>>::Future

After we have determined that the remote supports one of the protocols we support, this method is called to start the handshake. Read more
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impl<T> UpgradeInfo for OptionalUpgrade<T>where T: UpgradeInfo,

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type Info = <T as UpgradeInfo>::Info

Opaque type representing a negotiable protocol.
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type InfoIter = Iter<<<T as UpgradeInfo>::InfoIter as IntoIterator>::IntoIter>

Iterator returned by protocol_info.
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fn protocol_info(&self) -> <OptionalUpgrade<T> as UpgradeInfo>::InfoIter

Returns the list of protocols that are supported. Used during the negotiation process.

Auto Trait Implementations§

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impl<T> RefUnwindSafe for OptionalUpgrade<T>where T: RefUnwindSafe,

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impl<T> Send for OptionalUpgrade<T>where T: Send,

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impl<T> Sync for OptionalUpgrade<T>where T: Sync,

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impl<T> Unpin for OptionalUpgrade<T>where T: Unpin,

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impl<T> UnwindSafe for OptionalUpgrade<T>where T: UnwindSafe,

Blanket Implementations§

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impl<T> Any for Twhere 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> AsTaggedExplicit<'a> for Twhere T: 'a,

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

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impl<'a, T, E> AsTaggedExplicit<'a, E> for Twhere 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> AsTaggedImplicit<'a> for Twhere T: 'a,

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

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impl<'a, T, E> AsTaggedImplicit<'a, E> for Twhere 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 Twhere 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 Twhere 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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<C, U> InboundUpgradeExt<C> for Uwhere U: InboundUpgrade<C>,

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fn map_inbound<F, T>(self, f: F) -> MapInboundUpgrade<Self, F>where Self: Sized, F: FnOnce(Self::Output) -> T,

Returns a new object that wraps around Self and applies a closure to the Output.
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fn map_inbound_err<F, T>(self, f: F) -> MapInboundUpgradeErr<Self, F>where Self: Sized, F: FnOnce(Self::Error) -> T,

Returns a new object that wraps around Self and applies a closure to the Error.
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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 Twhere U: From<T>,

const: unstable · source§

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<C, U> OutboundUpgradeExt<C> for Uwhere U: OutboundUpgrade<C>,

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fn map_outbound<F, T>(self, f: F) -> MapOutboundUpgrade<Self, F>where Self: Sized, F: FnOnce(Self::Output) -> T,

Returns a new object that wraps around Self and applies a closure to the Output.
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fn map_outbound_err<F, T>(self, f: F) -> MapOutboundUpgradeErr<Self, F>where Self: Sized, F: FnOnce(Self::Error) -> T,

Returns a new object that wraps around Self and applies a closure to the Error.
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impl<T> Same<T> for T

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type Output = T

Should always be Self
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impl<T> ToOwned for Twhere 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 Twhere 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 Twhere U: TryFrom<T>,

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

The type returned in the event of a conversion error.
const: unstable · source§

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

Performs the conversion.
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impl<V, T> VZip<V> for Twhere 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