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Session

Struct Session 

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

A MoQ transport session, wrapping a WebTransport connection.

Returned by crate::Client::connect and crate::Server::accept, paired with the Driver that runs its protocol work. Nothing is spawned behind your back: the session makes no progress unless its driver is polled.

Like every handle in this library, the lifecycle is reference counted: clones share the connection, the transport closes when the last clone drops, and abort closes it explicitly with an error. The Driver holds no Session clone, so handing it to an executor never keeps the session alive.

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impl Session

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pub fn version(&self) -> Version

Returns the negotiated protocol version.

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pub fn send_bandwidth(&self) -> Option<Consumer>

Returns a consumer for the estimated send bitrate (from the congestion controller).

Returns None if the QUIC backend doesn’t support bandwidth estimation.

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pub fn recv_bandwidth(&self) -> Option<Consumer>

Returns a consumer for the estimated receive bitrate (from PROBE).

Returns None if the MoQ version doesn’t support PROBE (requires moq-lite-03+).

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pub fn stats(&self) -> ConnectionStats

Returns a snapshot of the current connection statistics.

This is a cheap, non-blocking read of the underlying transport’s counters; see ConnectionStats for which metrics each backend reports.

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pub fn abort(&self, err: Error)

Close the transport with an explicit error, instead of waiting for the last clone to drop. Idempotent: the first close wins.

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pub async fn closed(&self) -> Error

Block until the transport session is closed, returning the reason.

Trait Implementations§

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impl Clone for Session

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fn clone(&self) -> Session

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. 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<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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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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> MaybeSend for T
where T: Send,

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

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

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

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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<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