fedserv/echoIRCd
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server: scrub a departed user's pending invites via a User.invited reverse index instead of scanning every channel on the network per quit — the old O(channels)-per-quit path was O(channels*quits) on a netsplit; the index is maintained at the 4 invite add/remove sites (INVITE cmd, S2S INVITE, join-consume, UNINVITE)

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This commit is contained in:
Jean Chevronnet 2026-08-19 02:09:36 +00:00
parent 5101b1361d
commit ab0ccae71f
7 changed files with 23 additions and 2 deletions
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5
src/link.rs
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@ -1344,6 +1344,9 @@ impl Server {
if let Some(ch) = self.channels.get_mut(&key) {
ch.invites.insert(luid);
}
if let Some(u) = self.users.get_mut(&luid) {
u.invited.insert(key.clone()); // reverse index for O(1) quit scrub
}
let prefix = self.uuid_prefix(&src).unwrap_or_else(|| src.clone());
let nick = self.users.get(&luid).map(|u| u.nick.clone()).unwrap_or_default();
self.send(luid, format!(":{prefix} INVITE {nick} :{chan}"));
@ -2768,6 +2771,7 @@ mod tests {
caps: Caps::default(),
sasl_mech: None,
channels: HashSet::default(),
invited: HashSet::default(),
watch: Vec::new(),
monitor: Vec::new(),
silence: Vec::new(),
@ -2855,6 +2859,7 @@ mod tests {
caps,
sasl_mech: None,
channels: HashSet::default(),
invited: HashSet::default(),
watch: Vec::new(),
monitor: Vec::new(),
silence: Vec::new(),