From 8f11ffa5a4582e800aeb8507b44b6b3e1f6218bb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Adrien=20Gallou=C3=ABt?= <adrien@gallouet.fr>
Date: Sat, 4 Jan 2020 12:33:05 +0000
Subject: [PATCH] Slow down internal rate on dead paths
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Adrien Gallouët <adrien@gallouet.fr>
---
 mud.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/mud.c b/mud.c
index 47cc1f5..144ff13 100644
--- a/mud.c
+++ b/mud.c
@@ -1465,7 +1465,9 @@ mud_update(struct mud *mud)
         }
 
         if (mud->peer.set) {
-            if (mud_timeout(now, path->msg.time, path->conf.msg_timeout)) {
+            uint64_t timeout = path->msg.sent >= MUD_MSG_SENT_MAX
+                             ? MUD_ONE_SEC : path->conf.msg_timeout;
+            if (mud_timeout(now, path->msg.time, timeout)) {
                 path->msg.sent++;
                 path->msg.time = now;
                 mud_send_msg(mud, path, now, 0, 0, 0, path->mtu.probe);