Class ClockErrorBoundV2

clock-bound/src/shm.rs:343–382

#[repr(C)]
#[derive(Debug, Copy, Clone, PartialEq)]
pub struct ClockErrorBoundV2 {
    /// The `CLOCK_MONOTONIC_COARSE` timestamp recorded when the bound on clock error was
    /// calculated. The current implementation relies on Chrony tracking data, which accounts for
    /// the dispersion between the last clock processing event, and the reading of tracking data.
    as_of: TimeSpec,

    /// The `CLOCK_MONOTONIC_COARSE` timestamp beyond which the bound on clock error should not be
    /// trusted. This is a useful signal that the communication with the synchronization daemon is
    /// has failed, for example.
    void_after: TimeSpec,

    /// An absolute upper bound on the accuracy of the `CLOCK_REALTIME` clock with regards to true
    /// time at the instant represented by `as_of`.
    bound_nsec: i64,

    /// Disruption marker.
    ///
    /// This value is incremented (by an unspecified delta) each time the clock has been disrupted.
    /// This count value is specific to a particular VM/EC2 instance.
    disruption_marker: u64,

    /// Maximum drift rate of the clock between updates of the synchronization daemon. The value
    /// stored in `bound_nsec` should increase by the following to account for the clock drift
    /// since `bound_nsec` was computed:
    /// `bound_nsec += max_drift_ppb * (now - as_of)`
    max_drift_ppb: u32,

    /// The synchronization daemon status indicates whether the daemon is synchronized,
    /// free-running, etc.
    clock_status: ClockStatus,

    /// Clock disruption support enabled flag.
    ///
    /// This indicates whether or not the ClockBound daemon was started with a
    /// configuration that supports detecting clock disruptions.
    clock_disruption_support_enabled: bool,

    /// Padding.
    _padding: [u8; 7],
}

impl ClockErrorBoundV2 {
    /// Create a new `ClockErrorBound` struct.