From 99bac545ee242f62f7750d7bf393906669c59c00 Mon Sep 17 00:00:00 2001
From: Florian Eckert <fe@dev.tdt.de>
Date: Fri, 21 Dec 2018 10:15:36 +0100
Subject: [PATCH] luci-app-mwan3: show supported tracking methodes if needed
 bin is installed

Signed-off-by: Florian Eckert <fe@dev.tdt.de>
---
 .../luasrc/model/cbi/mwan/interfaceconfig.lua | 20 +++++++++++++------
 1 file changed, 14 insertions(+), 6 deletions(-)

diff --git a/applications/luci-app-mwan3/luasrc/model/cbi/mwan/interfaceconfig.lua b/applications/luci-app-mwan3/luasrc/model/cbi/mwan/interfaceconfig.lua
index a1880b3a9..4c970d4fa 100644
--- a/applications/luci-app-mwan3/luasrc/model/cbi/mwan/interfaceconfig.lua
+++ b/applications/luci-app-mwan3/luasrc/model/cbi/mwan/interfaceconfig.lua
@@ -34,12 +34,20 @@ track_ip.datatype = "host"
 track_method = mwan_interface:option(ListValue, "track_method", translate("Tracking method"))
 track_method.default = "ping"
 track_method:value("ping")
-track_method:value("nping-tcp")
-track_method:value("nping-udp")
-track_method:value("nping-icmp")
-track_method:value("nping-arp")
-track_method:value("arping")
-track_method:value("httping")
+if os.execute("which nping 1>/dev/null") == 0 then
+	track_method:value("nping-tcp")
+	track_method:value("nping-udp")
+	track_method:value("nping-icmp")
+	track_method:value("nping-arp")
+end
+
+if os.execute("which arping 1>/dev/null") == 0 then
+	track_method:value("arping")
+end
+
+if os.execute("which httping 1>/dev/null") == 0 then
+	track_method:value("httping")
+end
 
 reliability = mwan_interface:option(Value, "reliability", translate("Tracking reliability"),
 	translate("Acceptable values: 1-100. This many Tracking IP addresses must respond for the link to be deemed up"))
-- 
2.25.1