Struct RelayUsage

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

Description for how we plan to use a single relay.

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impl RelayUsage

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pub fn any_exit(_cfg: &RelaySelectionConfig<'_>) -> Self

Require a relay that exits to at least one port.

This usage is generally suitable as the final relay for a testing circuit of some kind, or for a circuit that needs to look like an exit circuit without actually being useful for any exit in particular.

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pub fn exit_to_all_ports( cfg: &RelaySelectionConfig<'_>, ports: Vec<TargetPort>, ) -> Self

Require a relay that exits to every port in a given list.

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pub fn exit_to_any_port( cfg: &RelaySelectionConfig<'_>, ports: Vec<TargetPort>, ) -> Self

Require a relay that exits to at least one port in a given list.

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pub fn middle_relay(known_final_hop_usage: Option<&RelayUsage>) -> Self

Require a relay that is suitable for a middle relay.

If known_final_hop_usage is provided, then the middle relay must support any additional properties needed in order to build a circuit for the usage of the final hop.

If known_final_hop_usage is not provided, then the middle relay must support all possible such additional properties.

(Note that providing a known_final_hop_usage can only weaken the requirements of this usage.)

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pub fn new_intro_point() -> Self

Require a relay that is suitable as a newly selected introduction point.

This usage is suitable for selecting new introduction points for an onion service. When deciding whether to keep an introduction point, use RelayUsage::continuing_intro_point.

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pub fn continuing_intro_point() -> Self

Require a relay that is suitable to keep using as a pre-existing introduction point.

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pub fn new_guard() -> Self

Require a relay that is suitable as a newly selected guard.

This usage is suitable for selecting new guards. When deciding whether to keep a guard, use RelayUsage::continuing_guard.

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pub fn continuing_guard() -> Self

Require a relay that is suitable to keep using as a pre-existing guard.

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pub fn vanguard() -> Self

Available on crate feature vanguards only.

Require a relay that is suitable as a vanguard.

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pub fn directory_cache() -> Self

Require a relay that is suitable to use for a directory request.

Note that this usage is suitable for fetching consensuses, authority certificates, descriptors and microdescriptors. It is not suitable for use with the HsDir system.

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pub fn new_rend_point() -> Self

Require a relay that is suitable as a newly selected rendezvous point (as chosen by a client to connect to an onion service).

Trait Implementations§

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impl Clone for RelayUsage

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fn clone(&self) -> RelayUsage

Returns a duplicate 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 RelayUsage

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

Formats the value using the given formatter. Read more
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impl LowLevelRelayPredicate for RelayUsage

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fn low_level_predicate_permits_relay(&self, relay_in: &Relay<'_>) -> bool

Return true if relay provides this predicate.

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