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radicle-heartwood-lfs
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node: Don't announce inventory redundantly 

Keep track of last announcement timestamp and don't re-announce if it
matches.
This commit is contained in:
cloudhead 2024-06-10 11:03:02 +02:00
parent 81f94d0cff
commit 50379548c2
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1 changed files with 23 additions and 15 deletions
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38
radicle-node/src/service.rs
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@ -448,7 +448,7 @@ pub struct Service<D, S, G> {
/// Last time the service routing table was pruned.
last_prune: LocalTime,
/// Last time the inventory was announced.
last_announce: LocalTime,
last_inventory: LocalTime,
/// Last timestamp used for announcements.
last_timestamp: Timestamp,
/// Time when the service was initialized, or `None` if it wasn't initialized.
@ -526,7 +526,7 @@ where
last_sync: LocalTime::default(),
last_prune: LocalTime::default(),
last_timestamp,
last_announce: LocalTime::default(),
last_inventory: LocalTime::default(),
started_at: None, // Updated on initialize.
last_online_at: None, // Updated on initialize.
emitter,
@ -815,7 +815,7 @@ where
self.outbox.wakeup(SYNC_INTERVAL);
self.last_sync = now;
}
if now - self.last_announce >= ANNOUNCE_INTERVAL {
if now - self.last_inventory >= ANNOUNCE_INTERVAL {
trace!(target: "service", "Running 'announce' task...");
self.announce_inventory();
@ -1942,10 +1942,7 @@ where
let removed = self.db.routing_mut().remove_inventory(rid, &node)?;
if removed {
// Update cached inventory message.
let inventory = self.inventory()?;
self.inventory = gossip::inventory(now, inventory);
self.announce_inventory();
self.refresh_and_announce_inventory(now)?;
}
Ok(removed)
}
@ -1964,14 +1961,21 @@ where
let updated = !updates.is_empty();
if updated {
let inventory = self.inventory()?;
self.inventory = gossip::inventory(now, inventory);
self.announce_inventory();
self.refresh_and_announce_inventory(now)?;
}
Ok(updated)
}
/// Update cached inventory message, and announce new inventory to peers.
fn refresh_and_announce_inventory(&mut self, time: Timestamp) -> Result<(), Error> {
let inventory = self.inventory()?;
self.inventory = gossip::inventory(time, inventory);
self.announce_inventory();
Ok(())
}
/// Get our local inventory.
///
/// A node's inventory is the advertized list of repositories offered by a node.
@ -2294,10 +2298,14 @@ where
Ok(())
}
/// Announce our inventory to all connected peers.
/// Announce our inventory to all connected peers, unless it was already announced.
fn announce_inventory(&mut self) {
// TODO: If we're going to announce soon, skip this.
// TODO: If we just announced this exact inventory, also skip.
let timestamp = self.inventory.timestamp.to_local_time();
if self.last_inventory == timestamp {
debug!(target: "service", "Skipping redundant inventory announcement (t={})", self.inventory.timestamp);
return;
}
let msg = AnnouncementMessage::from(self.inventory.clone());
self.outbox.announce(
@ -2305,7 +2313,7 @@ where
self.sessions.connected().map(|(_, p)| p),
self.db.gossip_mut(),
);
self.last_announce = self.clock;
self.last_inventory = timestamp;
}
fn prune_routing_entries(&mut self, now: &LocalTime) -> Result<(), routing::Error> {