From 82b322a37bcf890275f91b56a9a0347be056be9d Mon Sep 17 00:00:00 2001
From: Garrett D'Amore <garrett@damore.org>
Date: Sun, 14 Apr 2024 15:43:59 -0700
Subject: Log protocol connections rejected by protocol.

---
 src/sp/protocol/bus0/bus.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/sp/protocol/bus0')

diff --git a/src/sp/protocol/bus0/bus.c b/src/sp/protocol/bus0/bus.c
index faa94c13..692cb250 100644
--- a/src/sp/protocol/bus0/bus.c
+++ b/src/sp/protocol/bus0/bus.c
@@ -1,5 +1,5 @@
 //
-// Copyright 2021 Staysail Systems, Inc. <info@staysail.tech>
+// Copyright 2024 Staysail Systems, Inc. <info@staysail.tech>
 // Copyright 2018 Capitar IT Group BV <info@capitar.com>
 //
 // This software is supplied under the terms of the MIT License, a
@@ -157,6 +157,9 @@ bus0_pipe_start(void *arg)
 	bus0_sock *s = p->bus;
 
 	if (nni_pipe_peer(p->pipe) != NNI_PROTO_BUS_V0) {
+		nng_log_warn("NNG-PEER-MISMATCH",
+		    "Peer pipe protocol %d is not BUS protocol, rejected.",
+		    nni_pipe_peer(p->pipe));
 		return (NNG_EPROTO);
 	}
 
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