HsCircPool

tor_circmgr::hspool

Struct HsCircPool 

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pub struct HsCircPool<R: Runtime>(/* private fields */);
Available on crate feature hs-common only.
Expand description

An object to provide circuits for implementing onion services.

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impl<R: Runtime> HsCircPool<R>

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pub fn new(circmgr: &Arc<CircMgr<R>>) -> Self

Create a new HsCircPool.

This will not work properly before “launch_background_tasks” is called.

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pub async fn get_or_launch_specific<T>( &self, netdir: &NetDir, kind: HsCircKind, target: T, ) -> Result<Arc<ClientCirc>>
where T: CircTarget + Sync,

Create a circuit suitable for use for kind, ending at the chosen hop target.

Only makes a single attempt; the caller needs to loop if they want to retry.

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pub async fn get_or_launch_client_rend<'a>( &self, netdir: &'a NetDir, ) -> Result<(Arc<ClientCirc>, Relay<'a>)>

Create a circuit suitable for use as a rendezvous circuit by a client.

Return the circuit, along with a Relay from netdir representing its final hop.

Only makes a single attempt; the caller needs to loop if they want to retry.

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pub fn estimate_timeout(&self, timeout_action: &Action) -> Duration

Return an estimate-based delay for how long a given Action should be allowed to complete.

This function has the same semantics as CircMgr::estimate_timeout. See the notes there.

In particular you do not need to use this function in order to get reasonable timeouts for the circuit-building operations provided by HsCircPool.

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pub fn launch_background_tasks( self: &Arc<Self>, runtime: &R, netdir_provider: &Arc<dyn NetDirProvider + 'static>, ) -> Result<Vec<TaskHandle>>

Launch the periodic daemon tasks required by the manager to function properly.

Returns a set of TaskHandles that can be used to manage the daemon tasks.

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pub fn retire_all_circuits(&self) -> StdResult<(), ReconfigureError>

Retire the circuits in this pool.

This is used for handling vanguard configuration changes: if the VanguardMode changes, we need to empty the pool and rebuild it, because the old circuits are no longer suitable for use.

Auto Trait Implementations§

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impl<R> Freeze for HsCircPool<R>

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impl<R> !RefUnwindSafe for HsCircPool<R>

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impl<R> Send for HsCircPool<R>

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impl<R> Sync for HsCircPool<R>

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impl<R> Unpin for HsCircPool<R>

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impl<R> !UnwindSafe for HsCircPool<R>

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Size: 8 bytes