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BotServ: BOTSTATS per-channel activity

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BOTSTATS <#channel> reports the lines the bot has seen this session and
the top talkers. Tracked live in the network view (bounded per-nick map),
recorded for bot-assigned channels only, and also fed to the shared stats
registry as botserv.messages.
This commit is contained in:
Jean Chevronnet 2026-07-13 19:20:52 +00:00
parent bddf13459d
commit 766ef6ca47
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5 changed files with 75 additions and 0 deletions
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26
src/engine/state.rs
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@ -32,6 +32,9 @@ pub struct Channel {
pub ops: HashSet<String>, // uids holding channel-operator status
pub voices: HashSet<String>, // uids holding +v
pub key: Option<String>,
// BOTSTATS: lines seen this session, and per-nick counts (top-talkers). Bounded.
pub lines: u64,
pub talkers: HashMap<String, u64>,
}
// The last time a nick was seen, and doing what.
@ -182,6 +185,26 @@ impl Network {
self.channels.get(&lc(channel)).is_some_and(|c| c.voices.contains(uid))
}
// Record a line spoken in `channel` by `nick`, for BOTSTATS. The per-nick map
// is capped so a busy channel can't grow it without bound.
pub fn record_line(&mut self, channel: &str, nick: &str) {
const TALKER_CAP: usize = 512;
let c = self.channels.entry(lc(channel)).or_default();
c.lines = c.lines.saturating_add(1);
if c.talkers.len() < TALKER_CAP || c.talkers.contains_key(nick) {
*c.talkers.entry(nick.to_string()).or_insert(0) += 1;
}
}
// BOTSTATS view: (total lines, top talkers by count, descending).
pub fn channel_activity(&self, channel: &str) -> Option<(u64, Vec<(String, u64)>)> {
let c = self.channels.get(&lc(channel))?;
let mut top: Vec<(String, u64)> = c.talkers.iter().map(|(n, v)| (n.clone(), *v)).collect();
top.sort_by(|a, b| b.1.cmp(&a.1).then_with(|| a.0.cmp(&b.0)));
top.truncate(10);
Some((c.lines, top))
}
// Uids currently in `channel`.
pub fn channel_members(&self, channel: &str) -> impl Iterator<Item = &str> {
self.channels.get(&lc(channel)).into_iter().flat_map(|c| c.members.iter().map(String::as_str))
@ -234,4 +257,7 @@ impl NetView for Network {
what: s.what.clone(),
})
}
fn channel_activity(&self, channel: &str) -> Option<(u64, Vec<(String, u64)>)> {
Network::channel_activity(self, channel)
}
}