From: Matt Corallo <git@bluematt.me>
Date: Mon, 24 Feb 2020 23:38:55 +0000 (-0500)
Subject: Add logging on receipt of unknown message types.
X-Git-Tag: v0.0.12~117^2~1
X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=commitdiff_plain;h=440129c6b6552b2c17852e13246a2561cb216ad2;p=rust-lightning

Add logging on receipt of unknown message types.

This should make peer disconnection easier to debug.
---

diff --git a/lightning/src/ln/peer_handler.rs b/lightning/src/ln/peer_handler.rs
index 8aff2fc56..049aae701 100644
--- a/lightning/src/ln/peer_handler.rs
+++ b/lightning/src/ln/peer_handler.rs
@@ -755,10 +755,13 @@ impl<Descriptor: SocketDescriptor, CM: Deref> PeerManager<Descriptor, CM> where
 
 											// Unknown messages:
 											wire::Message::Unknown(msg_type) if msg_type.is_even() => {
+												log_debug!(self, "Received unknown even message of type {}, disconnecting peer!", msg_type);
 												// Fail the channel if message is an even, unknown type as per BOLT #1.
 												return Err(PeerHandleError{ no_connection_possible: true });
 											},
-											wire::Message::Unknown(_) => {},
+											wire::Message::Unknown(msg_type) => {
+												log_trace!(self, "Received unknown odd message of type {}, ignoring", msg_type);
+											},
 										}
 									}
 								}