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AppServerSessionRegistry

Struct AppServerSessionRegistry 

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pub struct AppServerSessionRegistry<Runtime> { /* private fields */ }
Expand description

Shared runtime registry used by app-server providers.

Each session id maps to one idle runtime process. Workers temporarily remove a runtime while executing a turn and register a cancellation token so shutdown_session() can still interrupt in-flight runtimes.

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impl<Runtime> AppServerSessionRegistry<Runtime>

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pub fn new(provider_name: &'static str) -> Self

Creates an empty session runtime registry for one provider.

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pub fn take_session( &self, session_id: &str, ) -> Result<Option<Runtime>, AppServerError>

Removes and returns the runtime stored for session_id.

§Errors

Returns an error when the session map lock is poisoned.

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pub fn store_session( &self, session_id: String, session: Runtime, ) -> Result<(), AppServerError>

Stores or replaces the runtime for session_id.

§Errors

Returns an error when the session map lock is poisoned.

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pub fn store_session_or_recover( &self, session_id: String, session: Runtime, ) -> Result<(), (AppServerError, Runtime)>

Stores or replaces the runtime for session_id, returning ownership back to the caller when lock acquisition fails.

This allows callers to shut down process-backed runtimes before returning an error, preventing orphaned child processes on early exits.

§Errors

Returns (error, session) when the session map lock is poisoned.

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pub fn provider_name(&self) -> &'static str

Returns the provider label used in user-facing retry errors.

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pub fn register_active_turn( &self, session_id: &str, ) -> Result<ActiveAppServerTurn, AppServerError>

Registers one in-flight app-server turn and returns its cancellation guard.

The returned guard unregisters itself on drop. This keeps shutdown_session() able to signal a runtime even while the runtime is temporarily owned by the running turn rather than stored in AppServerSessionRegistry::sessions.

§Errors

Returns an error when the active-turn map lock is poisoned.

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pub fn cancel_active_turn( &self, session_id: &str, ) -> Result<bool, AppServerError>

Signals an active app-server turn for session_id, if one is currently registered.

§Errors

Returns an error when the active-turn map lock is poisoned.

Trait Implementations§

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impl<Runtime> Clone for AppServerSessionRegistry<Runtime>

Clones the registry handle by sharing the same underlying session map.

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fn clone(&self) -> Self

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

Auto Trait Implementations§

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impl<Runtime> Freeze for AppServerSessionRegistry<Runtime>

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impl<Runtime> RefUnwindSafe for AppServerSessionRegistry<Runtime>

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impl<Runtime> Send for AppServerSessionRegistry<Runtime>
where Runtime: Send,

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impl<Runtime> Sync for AppServerSessionRegistry<Runtime>
where Runtime: Send,

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impl<Runtime> Unpin for AppServerSessionRegistry<Runtime>

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impl<Runtime> UnsafeUnpin for AppServerSessionRegistry<Runtime>

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impl<Runtime> UnwindSafe for AppServerSessionRegistry<Runtime>

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> 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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where U: From<T>,

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type Owned = T

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Uses borrowed data to replace owned data, usually by cloning. Read more
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type Error = Infallible

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

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