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node: extract immutable state into a shared context and atomic metric registry

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Store node counters in an atomic metric registry read through &self, and
introduce a shared NodeContext bundle holding the effectively-immutable
fields (config, identity, startup epoch, capability limits). Source the
immutable config and identity reads across the receive hot path, the
handshake/session/mmp/encrypted state machines, and the discovery, tree,
bloom, retry, and lifecycle modules through the context accessors rather
than direct field reads. The Node fields and the context are rebuilt in
lockstep at every mutation site.
This commit is contained in:
Johnathan Corgan
2026-06-02 13:05:03 +00:00
parent 2d0e8de8c8
commit 08b8b3908e
28 changed files with 1140 additions and 957 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/node/handlers/timeout.rs
+10 -10
View File
@@ -17,7 +17,7 @@ impl Node {
}
let now_ms = Self::now_ms();
let timeout_ms = self.config.node.rate_limit.handshake_timeout_secs * 1000;
let timeout_ms = self.config().node.rate_limit.handshake_timeout_secs * 1000;
let stale: Vec<LinkId> = self
.connections
@@ -93,9 +93,9 @@ impl Node {
return;
}
let max_resends = self.config.node.rate_limit.handshake_max_resends;
let interval_ms = self.config.node.rate_limit.handshake_resend_interval_ms;
let backoff = self.config.node.rate_limit.handshake_resend_backoff;
let max_resends = self.config().node.rate_limit.handshake_max_resends;
let interval_ms = self.config().node.rate_limit.handshake_resend_interval_ms;
let backoff = self.config().node.rate_limit.handshake_resend_backoff;
// Collect resend candidates: outbound, in SentMsg1, with stored msg1,
// under max resends, and past the scheduled time.
@@ -165,11 +165,11 @@ impl Node {
return;
}
let timeout_ms = self.config.node.rate_limit.handshake_timeout_secs * 1000;
let max_resends = self.config.node.rate_limit.handshake_max_resends;
let interval_ms = self.config.node.rate_limit.handshake_resend_interval_ms;
let backoff = self.config.node.rate_limit.handshake_resend_backoff;
let ttl = self.config.node.session.default_ttl;
let timeout_ms = self.config().node.rate_limit.handshake_timeout_secs * 1000;
let max_resends = self.config().node.rate_limit.handshake_max_resends;
let interval_ms = self.config().node.rate_limit.handshake_resend_interval_ms;
let backoff = self.config().node.rate_limit.handshake_resend_backoff;
let ttl = self.config().node.session.default_ttl;
// First pass: find timed-out sessions to remove
let timed_out: Vec<crate::NodeAddr> = self
@@ -237,7 +237,7 @@ impl Node {
/// Only targets sessions in the Established state. Initiating/AwaitingMsg3
/// sessions are handled by the handshake timeout.
pub(in crate::node) fn purge_idle_sessions(&mut self, now_ms: u64) {
let timeout_ms = self.config.node.session.idle_timeout_secs * 1000;
let timeout_ms = self.config().node.session.idle_timeout_secs * 1000;
if timeout_ms == 0 {
return; // disabled
}