| 63 | } |
| 64 | |
| 65 | fn handle_disruption(&mut self, _new_disruption_marker: u64) { |
| 66 | // Use the destructure pattern to get a mutable reference to each item. |
| 67 | // |
| 68 | // This makes it a compilation error if we add a new field to Self without handling it here |
| 69 | let Self { |
| 70 | ntp_adjtime: _, |
| 71 | state, |
| 72 | } = self; |
| 73 | // At least stop any ongoing phase correction slew or frequency correction, if the clock is disrupted. |
| 74 | // Notably, phase correction slew is recalculated at the top of a second, so we still might end up having some moderate slew |
| 75 | // of the clock happening til that time. |
| 76 | info!("Resetting ntp_adjtime parameters to zero any phase or frequency corrections"); |
| 77 | match self |
| 78 | .ntp_adjtime |
| 79 | .adjust_clock(Duration::from_secs(0), Skew::from_ppm(0.0)) |
| 80 | { |
| 81 | failed_adjtime @ Err(NtpAdjTimeError::Failure(_)) => { |
| 82 | failed_adjtime.unwrap(); |
| 83 | } |
| 84 | Err(unexpected_adjtime_status) => { |
| 85 | error!("Unexpected adjtime result: {unexpected_adjtime_status}"); |
| 86 | } |
| 87 | _ => {} |
| 88 | } |
| 89 | *state = State::Disrupted(Disrupted); |
| 90 | // TODO: We may want to reset `should_step` if we think it is acceptable to step the clock on next adjustment |
| 91 | // for faster recovery.. |
| 92 | info!("Handled clock disruption event"); |
| 93 | } |
| 94 | |
| 95 | /// Helper to find out if `CLOCK_REALTIME` is now reliable... |
| 96 | /// Any initial states can be considered unreliable, since we have not |