From 1b644691f59e44866311003ec6680e81864b4424 Mon Sep 17 00:00:00 2001
From: Ycarus <ycarus@zugaina.org>
Date: Tue, 21 May 2019 21:36:21 +0200
Subject: [PATCH] Check interface MTU more often

---
 .../usr/share/omr/post-tracking.d/post-tracking    | 14 +++++---------
 1 file changed, 5 insertions(+), 9 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 54861b257..102ca73ad 100755
--- a/mptcp/files/usr/share/omr/post-tracking.d/post-tracking
+++ b/mptcp/files/usr/share/omr/post-tracking.d/post-tracking
@@ -410,22 +410,16 @@ if [ "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.lc)" = "" ] || [ $(($(
 				ip link set dev $OMR_TRACKER_DEVICE mtu $mtu > /dev/null 2>&1
 			}
 			uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.lc=$(date +"%s")
-		elif [ -z "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.mtu)" ]; then
+		else
 			[ -n "$serverip" ] && [ "$serverip" != "127.0.0.1" ] && {
-				local mtu=$(omr-mtu $OMR_TRACKER_DEVICE $serverip)
+				local mtu=$(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=$(date +"%s")
-				}
-			} || {
-				uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.lc=$(date +"%s")
 			}
-		elif [ -n "$asn" ]; then
-			uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.lc=$(date +"%s")
 		fi
+		uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.lc=$(date +"%s")
 	}
 	if [ "$(uci -q get shadowsocks-libev.sss0.server)" != "" ] && [ "$(uci -q get openmptcprouter.settings.external_check)" = "0" ]; then
 		if ping -c 1 $(uci -q get shadowsocks-libev.sss0.server) &> /dev/null; then
@@ -448,6 +442,8 @@ fi
 [ -n "$OMR_TRACKER_LATENCY" ] && {
 	[ "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.latency)" != "" ] && uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.latency_previous="$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.latency)"
 	uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.latency="$OMR_TRACKER_LATENCY"
+	[ -z "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.latency_max)" ] && uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.latency_max="$OMR_TRACKER_LATENCY"
+	[ "$(uci -q get openmptcprouter.$OMR_TRACKER_INTERFACE.latency_max)" -lt "$OMR_TRACKER_LATENCY" ] && uci -q set openmptcprouter.$OMR_TRACKER_INTERFACE.latency_max="$OMR_TRACKER_LATENCY"
 	if [ "$multipath_config" = "on" ] && [ "$(uci -q get network.$OMR_TRACKER_INTERFACE.multipath)" != "master" ] && ([ "$(uci -q get openmptcprouter.settings.master)" = "dynamic" ] || (([ "$(uci -q get openmptcprouter.settings.master)" = "change" ] || [ "$(uci -q get openmptcprouter.settings.master)" = "" ]) && [ "$(uci -q get openmptcprouter.settings.master_lcintf | grep $OMR_TRACKER_INTERFACE)" = "" ])); then
 		masterintf="$(uci -q show network | grep multipath=\'master\' | cut -d'.' -f2)"
 		masterlatency="$(uci -q get openmptcprouter.$masterintf.latency | tr -d '\n')"