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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/retry.rs
+7 -7
View File
@@ -66,7 +66,7 @@ impl Node {
/// indefinitely). Does nothing if the peer is already connected or has
/// a connection in progress.
pub(super) fn schedule_retry(&mut self, node_addr: NodeAddr, now_ms: u64) {
let retry_cfg = &self.config.node.retry;
let retry_cfg = &self.config().node.retry;
let max_retries = retry_cfg.max_retries;
if max_retries == 0 {
return;
@@ -105,7 +105,7 @@ impl Node {
} else {
// First failure — find the matching PeerConfig
let peer_config = self
.config
.config()
.auto_connect_peers()
.find(|pc| {
PeerIdentity::from_npub(&pc.npub)
@@ -144,7 +144,7 @@ impl Node {
pub(super) fn schedule_reconnect(&mut self, node_addr: NodeAddr, now_ms: u64) {
// Find peer in auto-connect config
let peer_config = self
.config
.config()
.auto_connect_peers()
.find(|pc| {
PeerIdentity::from_npub(&pc.npub)
@@ -165,8 +165,8 @@ impl Node {
return;
}
let base_interval_ms = self.config.node.retry.base_interval_secs * 1000;
let max_backoff_ms = self.config.node.retry.max_backoff_secs * 1000;
let base_interval_ms = self.config().node.retry.base_interval_secs * 1000;
let max_backoff_ms = self.config().node.retry.max_backoff_secs * 1000;
let peer_name = self.peer_display_name(&node_addr);
// If we already have accumulated backoff from previous failed attempts,
@@ -305,14 +305,14 @@ impl Node {
// succeeds, promote_connection() clears retry_pending. If
// it times out, check_timeouts() calls schedule_retry()
// which bumps the counter and applies proper backoff.
let hs_timeout_ms = self.config.node.rate_limit.handshake_timeout_secs * 1000;
let hs_timeout_ms = self.config().node.rate_limit.handshake_timeout_secs * 1000;
if let Some(state) = self.retry_pending.get_mut(&node_addr) {
state.retry_after_ms = now_ms + hs_timeout_ms;
}
debug!(
peer = %self.peer_display_name(&node_addr),
"Retry connection initiated, suppressing re-fire for {}s",
self.config.node.rate_limit.handshake_timeout_secs,
self.config().node.rate_limit.handshake_timeout_secs,
);
}
Err(e) => {