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GitOrigin-RevId: 975161aa2f1036264c56d7a81b79ac74ba68b276
diff --git a/private_dot_config/i3blocks/bandwidth/README.md b/private_dot_config/i3blocks/bandwidth/README.md
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+# bandwidth
+
+Show bandwidth information. Some interfaces report unknown instead of up for
+their state. If you would like to treat unknowns as up, then set
+`TREAT_UNKNOWN_AS_UP=1`.
+
+
+
+# Config
+
+```
+[bandwidth]
+command=$SCRIPT_DIR/bandwidth
+interval=5
+#INTERFACE=eth0
+#INLABEL=IN
+#OUTLABEL=OUT
+#TREAT_UNKNOWN_AS_UP=0
+```
diff --git a/private_dot_config/i3blocks/bandwidth/bandwidth.png b/private_dot_config/i3blocks/bandwidth/bandwidth.png
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+++ b/private_dot_config/i3blocks/bandwidth/bandwidth.png
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diff --git a/private_dot_config/i3blocks/bandwidth/executable_bandwidth b/private_dot_config/i3blocks/bandwidth/executable_bandwidth
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+#!/usr/bin/env bash
+# Copyright (C) 2012 Stefan Breunig <stefan+measure-net-speed@mathphys.fsk.uni-heidelberg.de>
+# Copyright (C) 2014 kaueraal
+# Copyright (C) 2015 Thiago Perrotta <perrotta dot thiago at poli dot ufrj dot br>
+
+# 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/>.
+
+# Get custom IN and OUT labels if provided by command line arguments
+while [[ $# -gt 1 ]]; do
+ key="$1"
+ case "$key" in
+ -i|--inlabel)
+ INLABEL="$2"
+ shift;;
+ -o|--outlabel)
+ OUTLABEL="$2"
+ shift;;
+ esac
+ shift
+done
+
+[[ -z "$INLABEL" ]] && INLABEL="IN "
+[[ -z "$OUTLABEL" ]] && OUTLABEL="OUT "
+
+# Use the provided interface, otherwise the device used for the default route.
+if [[ -z $INTERFACE ]] && [[ -n $BLOCK_INSTANCE ]]; then
+ INTERFACE=$BLOCK_INSTANCE
+elif [[ -z $INTERFACE ]]; then
+ INTERFACE=$(ip route | awk '/^default/ { print $5 ; exit }')
+fi
+
+# Exit if there is no default route
+[[ -z "$INTERFACE" ]] && exit
+
+# Issue #36 compliant.
+if ! [ -e "/sys/class/net/${INTERFACE}/operstate" ] || \
+ (! [ "$TREAT_UNKNOWN_AS_UP" = "1" ] &&
+ ! [ "`cat /sys/class/net/${INTERFACE}/operstate`" = "up" ])
+then
+ echo "$INTERFACE down"
+ echo "$INTERFACE down"
+ echo "#FF0000"
+ exit 0
+fi
+
+# path to store the old results in
+path="/tmp/$(basename $0)-${INTERFACE}"
+
+# grabbing data for each adapter.
+read rx < "/sys/class/net/${INTERFACE}/statistics/rx_bytes"
+read tx < "/sys/class/net/${INTERFACE}/statistics/tx_bytes"
+
+# get time
+time="$(date +%s)"
+
+# write current data if file does not exist. Do not exit, this will cause
+# problems if this file is sourced instead of executed as another process.
+if ! [[ -f "${path}" ]]; then
+ echo "${time} ${rx} ${tx}" > "${path}"
+ chmod 0666 "${path}"
+fi
+
+
+# read previous state and update data storage
+read old < "${path}"
+echo "${time} ${rx} ${tx}" > "${path}"
+
+# parse old data and calc time passed
+old=(${old//;/ })
+time_diff=$(( $time - ${old[0]} ))
+
+# sanity check: has a positive amount of time passed
+[[ "${time_diff}" -gt 0 ]] || exit
+
+# calc bytes transferred, and their rate in byte/s
+rx_diff=$(( $rx - ${old[1]} ))
+tx_diff=$(( $tx - ${old[2]} ))
+rx_rate=$(( $rx_diff / $time_diff ))
+tx_rate=$(( $tx_diff / $time_diff ))
+
+# shift by 10 bytes to get KiB/s. If the value is larger than
+# 1024^2 = 1048576, then display MiB/s instead
+
+# incoming
+echo -n "$INLABEL"
+rx_kib=$(( $rx_rate >> 10 ))
+if hash bc 2>/dev/null && [[ "$rx_rate" -gt 1048576 ]]; then
+ printf '%sM' "`echo "scale=1; $rx_kib / 1024" | bc`"
+else
+ echo -n "${rx_kib}K"
+fi
+
+echo -n " "
+
+# outgoing
+echo -n "$OUTLABEL"
+tx_kib=$(( $tx_rate >> 10 ))
+if hash bc 2>/dev/null && [[ "$tx_rate" -gt 1048576 ]]; then
+ printf '%sM\n' "`echo "scale=1; $tx_kib / 1024" | bc`"
+else
+ echo "${tx_kib}K"
+fi
diff --git a/private_dot_config/i3blocks/bandwidth/i3blocks.conf b/private_dot_config/i3blocks/bandwidth/i3blocks.conf
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+++ b/private_dot_config/i3blocks/bandwidth/i3blocks.conf
@@ -0,0 +1,4 @@
+[bandwidth]
+command=$SCRIPT_DIR/bandwidth
+interval=5
+INTERFACE=eth0
