Constify the ratio in buf limits between forward and init sync msgs

[rust-lightning] / lightning / src / ln / peer_handler.rs

diff --git a/lightning/src/ln/peer_handler.rs b/lightning/src/ln/peer_handler.rs
index 74a6676d3e26a5939f02b4ac4e51d930e0b8d9cf..38308bb8c434ff2259779dec267d41c7839e1b81 100644 (file)
--- a/lightning/src/ln/peer_handler.rs
+++ b/lightning/src/ln/peer_handler.rs
@@ -285,6 +285,10 @@ enum InitSyncTracker{
        NodesSyncing(PublicKey),
 }
 
+/// The ratio between buffer sizes at which we stop sending initial sync messages vs when we stop
+/// forwarding gossip messages to peers altogether.
+const FORWARD_INIT_SYNC_BUFFER_LIMIT_RATIO: usize = 2;
+
 /// When the outbound buffer has this many messages, we'll stop reading bytes from the peer until
 /// we have fewer than this many messages in the outbound buffer again.
 /// We also use this as the target number of outbound gossip messages to keep in the write buffer,
@@ -292,7 +296,7 @@ enum InitSyncTracker{
 const OUTBOUND_BUFFER_LIMIT_READ_PAUSE: usize = 10;
 /// When the outbound buffer has this many messages, we'll simply skip relaying gossip messages to
 /// the peer.
-const OUTBOUND_BUFFER_LIMIT_DROP_GOSSIP: usize = 20;
+const OUTBOUND_BUFFER_LIMIT_DROP_GOSSIP: usize = OUTBOUND_BUFFER_LIMIT_READ_PAUSE * FORWARD_INIT_SYNC_BUFFER_LIMIT_RATIO;
 
 struct Peer {
        channel_encryptor: PeerChannelEncryptor,