From ec71cdf84cf4c2d38f42fef698e84ae1f2803e71 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= <cynerd@email.cz>
Date: Sat, 11 Mar 2017 20:15:39 +0100
Subject: Ping default gateway if no internet connection detected

---
 config/i3blocks/scripts/iface | 11 +++++++++--
 local/bin/lxc-net             |  2 +-
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/config/i3blocks/scripts/iface b/config/i3blocks/scripts/iface
index 134d66b..a9a558b 100755
--- a/config/i3blocks/scripts/iface
+++ b/config/i3blocks/scripts/iface
@@ -65,11 +65,18 @@ PINGV="-c 1 -w 1"
 if ping $PINGV nic.cz >/dev/null 2>&1; then
 	echo \#00FF00 # color
 else
+	# Ping nic.cz by ip
 	if ping $PINGV 217.31.205.50 >/dev/null 2>&1; then
 		# No DNS
 		echo \#FFFF00 # color
 	else
-		# No internet connection
-		echo \#FF0000 # color
+		# Ping default gateway of this interface
+		if ping $PINGV $(ip route show dev $IF | awk '/^default via/ {print $3}') >/dev/null 2>&1; then
+			# No internet connection but gateway accessible
+			echo \#FF0F00 # color
+		else
+			# No internet connection
+			echo \#FF0000 # color
+		fi
 	fi
 fi
diff --git a/local/bin/lxc-net b/local/bin/lxc-net
index ccefd59..0821571 100755
--- a/local/bin/lxc-net
+++ b/local/bin/lxc-net
@@ -9,7 +9,7 @@ fi
 if [ "$1" = "clean" ]; then
 	kill $(cat /tmp/lxc-dhcpd.pid)
 	rm -f /tmp/lxc-dhcpd.pid /tmp/lxc-dhcpd.conf
-	ip link del name vbr0
+	ip link del dev vbr0
 	exit
 fi
 
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