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SessionGlobalConfig

hopr_lib::config

Struct SessionGlobalConfig 

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pub struct SessionGlobalConfig {
    pub idle_timeout: Duration,
    pub maximum_managed_sessions: usize,
    pub establish_max_retries: usize,
    pub establish_retry_timeout: Duration,
    pub balancer_sampling_interval: Duration,
    pub balancer_minimum_surb_buffer_duration: Duration,
    pub surb_balance_notify_period: Option<Duration>,
    pub max_frames_behind_gap: Option<usize>,
    pub tag_allocator: TagAllocatorConfig,
}
Expand description

Global configuration of Sessions and the Session manager.

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§idle_timeout: Duration

Maximum time before an idle Session is closed.

Defaults to 3 minutes.

§maximum_managed_sessions: usize

Maximum number of Sessions that can be managed by the Session manager.

Default is 100, minimum is 2, maximum is 100 000.

§establish_max_retries: usize

Maximum retries to attempt to establish the Session Set 0 for no retries.

Defaults to 3, maximum is 20.

§establish_retry_timeout: Duration

Delay between Session establishment retries.

Default is 2 seconds.

§balancer_sampling_interval: Duration

Sampling interval for SURB balancer in milliseconds.

Default is 100 milliseconds.

§balancer_minimum_surb_buffer_duration: Duration

Minimum runway of received SURBs in seconds.

This applies to incoming Sessions on Exit nodes only and is the main indicator of how the egress traffic will be shaped, unless the NoRateControl Session capability is specified during initiation.

Default is 5 seconds, minimum is 1 second.

§surb_balance_notify_period: Option<Duration>

How often the Exit reports its true SURB buffer level to the Entry, as an absolute correction of the Entry’s dead-reckoned estimate. Without it, cumulative packet loss silently inflates the estimate until the Exit runs out of SURBs and can no longer send reply data.

Default is 15 seconds. Set to null to disable; minimum effective period is 1 second.

§max_frames_behind_gap: Option<usize>

How many later frames may queue behind a missing one before the reassembler gives up on it and releases what it already has.

Only applies to Sessions without retransmission, where a missing frame is never coming and waiting out the frame timeout cannot change the outcome — it only holds everything behind it. The right value tracks reordering depth (throughput × latency spread ÷ frame size), so a bulk-data Session and a control Session on the same node differ by orders of magnitude; an individual Session may override it.

Default is 256. Set to null to disable the bound and wait out the frame timeout instead.

§tag_allocator: TagAllocatorConfig

Tag allocator partition configuration.

Trait Implementations§

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impl Clone for SessionGlobalConfig

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fn clone(&self) -> SessionGlobalConfig

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 Copy for SessionGlobalConfig

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impl Debug for SessionGlobalConfig

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

Formats the value using the given formatter. Read more
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impl Default for SessionGlobalConfig

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fn default() -> SessionGlobalConfig

Return SessionGlobalConfig { idle_timeout: default_session_idle_timeout(), maximum_managed_sessions: default_max_managed_sessions(), establish_max_retries: default_session_establish_max_retries(), establish_retry_timeout: default_session_establish_retry_delay(), balancer_sampling_interval: default_session_balancer_sampling(), balancer_minimum_surb_buffer_duration: default_session_balancer_buffer_duration(), surb_balance_notify_period: default_session_surb_balance_notify_period(), max_frames_behind_gap: default_session_max_frames_behind_gap(), tag_allocator: Default::default() }

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impl Eq for SessionGlobalConfig

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impl PartialEq for SessionGlobalConfig

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fn eq(&self, other: &SessionGlobalConfig) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl StructuralPartialEq for SessionGlobalConfig

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impl Validate for SessionGlobalConfig

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fn validate(&self) -> Result<(), ValidationErrors>

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impl<'v_a> ValidateArgs<'v_a> for SessionGlobalConfig

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type Args = ()

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fn validate_with_args( &self, args: <SessionGlobalConfig as ValidateArgs<'v_a>>::Args, ) -> Result<(), ValidationErrors>

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