From 41a8b72ca8519c41fe4894fb35eed6432b18dd6d Mon Sep 17 00:00:00 2001
From: Alan Somers <asomers@FreeBSD.org>
Date: Sat, 20 May 2017 02:27:54 +0000
Subject: [PATCH] Use anticongestion in dns/ddclient

Introduced in src r316342, the anticongestion feature unifies multiple
periodic scripts' disparate sleeps.

PR:		218442
Approved by:	mjl@luckie.org.nz (maintainer)
Approved by:	brd (ports)
---
 dns/ddclient/Makefile                |  2 +-
 dns/ddclient/files/ddclient_force.in | 13 ++++++++++---
 2 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/dns/ddclient/Makefile b/dns/ddclient/Makefile
index 2f2c35c8bdbf..0bcdb45fd685 100644
--- a/dns/ddclient/Makefile
+++ b/dns/ddclient/Makefile
@@ -3,7 +3,7 @@
 
 PORTNAME=	ddclient
 PORTVERSION=	3.8.3
-PORTREVISION=	2
+PORTREVISION=	3
 CATEGORIES=	dns
 MASTER_SITES=	SF/${PORTNAME}/${PORTNAME}/${PORTNAME}-${PORTVERSION}
 
diff --git a/dns/ddclient/files/ddclient_force.in b/dns/ddclient/files/ddclient_force.in
index 871e8643bb92..28a2f043a51a 100644
--- a/dns/ddclient/files/ddclient_force.in
+++ b/dns/ddclient/files/ddclient_force.in
@@ -16,9 +16,16 @@ case "$daily_ddclient_force_enable" in
 		echo
 		echo 'Forcing ddclient update:'
 
-		out=`%%PREFIX%%/sbin/ddclient -force`
-		echo "$out"
-		rc=0
+		# sleep randomly to reduce congestion on dyn dns server.  In
+		# FreeBSD 12.0 the anticongestion function should be used
+		# instead of a hard-coded sleep
+		if [ -n "$anticongestion_sleeptime" ]; then
+			anticongestion
+		else
+			sleep `jot -r 1 0 900`
+		fi
+
+		%%PREFIX%%/sbin/ddclient -force || rc=3
 		;;
 	*)
 		rc=0