Struct PdState 

pub struct PdState {
    pub next_sqn: Sqn,
    pub use_crc: bool,
    pub last_seen_ms: u64,
    /* private fields */
}

Per-PD bookkeeping owned by the ACU driver.

Fields

next_sqn: Sqn

Next SQN to send.

use_crc: bool

Whether the PD prefers CRC trailers.

last_seen_ms: u64

Last successful exchange (ms, from the Clock).

Implementations

impl PdState

pub fn bump_sqn(&mut self)

Advance SQN.

pub fn mark_seen(&mut self, now_ms: u64)

Mark the PD as seen.

pub fn is_offline(&self, now_ms: u64) -> bool

true once we’ve ever heard from the PD and the last exchange is older than crate::OFFLINE_THRESHOLD_MS. Returns false while we are still in the initial-connect window — call [mark_offline] if you want to force-declare a brand-new PD off-line.

pub fn reset(&mut self)

Reset to the freshly-booted state. Call this when an off-line PD should be re-discovered from scratch.

Trait Implementations

impl Clone for PdState

fn clone(&self) -> PdState

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for PdState

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

Formats the value using the given formatter.

impl Default for PdState

fn default() -> Self

Returns the “default value” for a type.