config/i3blocks/iface
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#!/bin/bash
# Copyright (C) 2014 Julien Bonjean <julien@bonjean.info>
# Copyright (C) 2014 Alexander Keller <github@nycroth.com>
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#------------------------------------------------------------------------
# Use the provided interface, otherwise the device used for the default route.
IF="${IFACE:-$BLOCK_INSTANCE}"
IF="${IF:-$(ip route | awk '/^default/ { print $5 ; exit }')}"
# Exit if there is no default route
[[ -z "$IF" ]] && exit
#------------------------------------------------------------------------
# As per #36 -- It is transparent: e.g. if the machine has no battery or wireless
# connection (think desktop), the corresponding block should not be displayed.
[[ ! -d /sys/class/net/${IF} ]] && exit
#------------------------------------------------------------------------
AF=${ADDRESS_FAMILY:-inet6?}
LABEL="${LABEL:-}"
for flag in "$1" "$2"; do
case "$flag" in
-4)
AF=inet ;;
-6)
AF=inet6 ;;
-L)
if [[ "$IF" = "" ]]; then
LABEL="iface "
else
LABEL="$IF: "
fi ;;
esac
done
if [[ "$IF" = "" ]] || [[ "$(cat /sys/class/net/$IF/operstate)" = 'down' ]]; then
echo "${LABEL}down" # full text
echo "${LABEL}down" # short text
echo \#FF0000 # color
exit
fi
# if no interface is found, use the first device with a global scope
IPADDR=$(ip addr show $IF | perl -n -e "/$AF ([^ \/]+).* scope global/ && print \$1 and exit")
case $BLOCK_BUTTON in
3) echo -n "$IPADDR" | xclip -q -se c ;;
esac
#------------------------------------------------------------------------
case $BLOCK_BUTTON in
1) setsid notify-send "`ping -c 1 1.1 | grep time=`";;
esac
echo "$LABEL$IPADDR" # full text
echo "$LABEL$IPADDR" # short text