add peer clock skew warning

1 files changed, 5 insertions, 0 deletions

diff --git a/src/state/mod.rs b/src/state/mod.rs
index a2d5d74..cf50b2a 100644
--- a/src/state/mod.rs
+++ b/src/state/mod.rs
@@ -113,6 +113,11 @@ pub(crate) struct AppState {
     pub(crate) alias: Option<String>,
     /// Members alive within this window vote on remakes (`--electorate-window`).
     pub(crate) electorate_window: Duration,
+    /// This node's clock is off when it differs from most of its peers' by more than
+    /// this (`--clock-skew-warn`, `swarm::skew`); 0: never.
+    pub(crate) clock_skew_warn: Duration,
+    /// When the log last said this node's clock is off, while it is (`swarm::skew`).
+    pub(crate) clock_skew_warned: Arc<std::sync::Mutex<Option<tokio::time::Instant>>>,
     /// Chunked transfers served and fetched (`swarm::blob`).
     pub(crate) blobs: Arc<crate::swarm::blob::Blobs>,
     /// LINKS asked and answered, for a map of the swarm (`swarm::links`).