From 70edb5abaac0b8058caa1060bd9a4f22a3f70cd7 Mon Sep 17 00:00:00 2001
From: Ycarus <ycarus@zugaina.org>
Date: Fri, 24 Aug 2018 13:34:37 +0200
Subject: [PATCH] Set MTU only if not already set

---
 .../share/omr/post-tracking.d/post-tracking   | 23 ++++++++++++-------
 1 file changed, 15 insertions(+), 8 deletions(-)

diff --git a/mptcp/files/usr/share/omr/post-tracking.d/post-tracking b/mptcp/files/usr/share/omr/post-tracking.d/post-tracking
index 39f1202c4..6ea5670e3 100755
--- a/mptcp/files/usr/share/omr/post-tracking.d/post-tracking
+++ b/mptcp/files/usr/share/omr/post-tracking.d/post-tracking
@@ -224,23 +224,30 @@ fi
 }
 
 # Save wan settings for status page
-if [ "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.omr_lc)" = "" ] || [ $(($(date +"%s") - $(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.omr_lc))) -gt 3600 ]; then
+if [ "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.lc)" = "" ] || [ $(($(date +"%s") - $(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.lc))) -gt 3600 ]; then
 	local ipaddr="$(omr-ip-intf $OMR_TRACKER_DEVICE)"
 	[ -n "$ipaddr" ] && {
 		local asn="$(wget -4 -qO- -T 5 http://api.iptoasn.com/v1/as/ip/$ipaddr | jsonfilter -e '@.as_description')"
 		local serverip=$(uci -q get shadowsocks-libev.sss0.server)
 		uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.mptcp_status="$(omr-tracebox-mptcp $serverip $OMR_TRACKER_DEVICE)"
 		uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.publicip="$ipaddr"
+		uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.latency="$OMR_TRACKER_LATENCY"
 		[ -n "$asn" ] && {
 			uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.asn="$asn"
 		}
-		local mtu=$(omr-mtu $OMR_TRACKER_DEVICE_IP $serverip)
-		[ -n "$mtu" ] && {
-			uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.mtu=$mtu
-			ip link set dev $OMR_TRACKER_DEVICE mtu $mtu > /dev/null 2>&1
-		}
-		[ -n "$mtu" ] && [ -n "$asn" ] && {
+		if [ "$(uci -q get network.$OMR_TRACKER_INTERFACE.mtu)" = "" ]; then
+			local mtu=$(omr-mtu $OMR_TRACKER_DEVICE_IP $serverip)
+			[ -n "$mtu" ] && {
+				uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.mtu=$mtu
+				ip link set dev $OMR_TRACKER_DEVICE mtu $mtu > /dev/null 2>&1
+			}
+			[ -n "$mtu" ] && [ -n "$asn" ] && {
+				uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.lc=$(date +"%s")
+			}
+		elif [ -n "$asn" ]; then
+			uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.mtu=$(uci -q get network.$OMR_TRACKER_INTERFACE.mtu)
 			uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.lc=$(date +"%s")
-		}
+		fi
+		uci -q commit openmptcprouter
 	}
 fi