From 199acda704ad6efe375ad8dcd39eb44f8017a6f7 Mon Sep 17 00:00:00 2001
From: Steven Allen <steven@stebalien.com>
Date: Fri, 22 Nov 2019 08:20:25 -0800
Subject: [PATCH] fix: really obey the context

The internal nat discovery logic doesn't properly propagate the context.
---
 nat.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/nat.go b/nat.go
index c380300..d38ad52 100644
--- a/nat.go
+++ b/nat.go
@@ -70,6 +70,9 @@ func DiscoverNATs(ctx context.Context) <-chan NAT {
 				if !ok {
 					natpmp = nil
 				}
+			case <-ctx.Done():
+				// timeout.
+				return
 			}
 			if ok {
 				select {