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perf: channel PRIVMSG/NOTICE fanout builds at most one line per capability profile (server-time/account-tag/message-tags) and shares it by Arc, instead of formatting a String per member — a big channel now allocates <=8 lines, not N

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This commit is contained in:
Jean Chevronnet 2026-08-18 22:37:50 +00:00
parent d4dadf33e6
commit 853be58d18
2 changed files with 107 additions and 15 deletions
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18
src/coremods/core_message.rs
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@ -463,21 +463,9 @@ pub(crate) fn deliver(s: &mut Server, uid: Uid, params: &[String], notice: bool)
if !op_only {
record(s, &key, &prefix, cmd, target, &body, &msgid); // for CHATHISTORY
}
let members: Vec<Uid> = s
.channels
.get(&key)
.map(|c| c.members.keys().copied().collect())
.unwrap_or_default();
for m in members {
if m == uid || s.users.get(&m).map(|u| u.flags.deaf).unwrap_or(false) {
continue;
}
// +U: an unprivileged sender's message reaches ops (half-op+) only
if op_only && s.rank(m, &key) < RANK_HALFOP {
continue;
}
s.send_tagged(m, uid, &ctags, &msgid, &line);
}
// fan out to members: one shared line per capability profile, +D deaf and
// (+U) op-only filtering applied inside. The sender's own copy is separate.
s.to_channel_tagged(&key, uid, &ctags, &msgid, &line, op_only);
// echo-message: give the sender their own copy if they asked for one
if s.users
.get(&uid)