tor_proto::congestion::params

Struct CongestionControlParams

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#[non_exhaustive]
pub struct CongestionControlParams {
    alg: Algorithm,
    fallback_alg: Algorithm,
    cwnd_params: CongestionWindowParams,
    rtt_params: RoundTripEstimatorParams,
}
Expand description

Global congestion control parameters taken from consensus. These are per-circuit.

Fields (Non-exhaustive)§

This struct is marked as non-exhaustive
Non-exhaustive structs could have additional fields added in future. Therefore, non-exhaustive structs cannot be constructed in external crates using the traditional Struct { .. } syntax; cannot be matched against without a wildcard ..; and struct update syntax will not work.
§alg: Algorithm

The congestion control algorithm to use.

§fallback_alg: Algorithm

This is the fallback algorithm in case the one we have in the consensus is not supported by the relay we are connecting to. Reminder that these parameteres are per-hop.

It is put in here because by the time we do path selection, we don’t have access to the consensus and so we have to keep our fallback ready.

§cwnd_params: CongestionWindowParams

Congestion window parameters.

§rtt_params: RoundTripEstimatorParams

RTT calculation parameters.

Implementations§

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impl CongestionControlParams

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pub fn alg(&self) -> &Algorithm

Method borrowing CongestionControlParams::alg field. The congestion control algorithm to use.

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pub fn fallback_alg(&self) -> &Algorithm

Method borrowing CongestionControlParams::fallback_alg field. This is the fallback algorithm in case the one we have in the consensus is not supported by

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pub fn cwnd_params(&self) -> &CongestionWindowParams

Method borrowing CongestionControlParams::cwnd_params field. Congestion window parameters.

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pub fn cwnd_params_mut(&mut self) -> &mut CongestionWindowParams

Method returning mutable borrow of CongestionControlParams::cwnd_params field. Congestion window parameters.

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pub fn rtt_params(&self) -> &RoundTripEstimatorParams

Method borrowing CongestionControlParams::rtt_params field. RTT calculation parameters.

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impl CongestionControlParams

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pub fn builder() -> CongestionControlParamsBuilder

Returns a fresh, default, builder

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impl CongestionControlParams

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pub(crate) fn is_enabled(&self) -> bool

Return true iff congestion control is enabled that is the algorithm is anything other than the fixed window SENDMEs.

C-tor ref: congestion_control_enabled()

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pub fn use_fallback_alg(&mut self)

Make these parameters to use the fallback algorithm. This can’t be reversed.

Trait Implementations§

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impl Clone for CongestionControlParams

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fn clone(&self) -> CongestionControlParams

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 Debug for CongestionControlParams

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

Formats the value using the given formatter. Read more

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