1 files changed, 105 insertions, 0 deletions
diff --git a/.local/bin/statusbar/i3bandwidth b/.local/bin/statusbar/i3bandwidth
new file mode 100755
index 0000000..8877d28
--- /dev/null
+++ b/.local/bin/statusbar/i3bandwidth
@@ -0,0 +1,105 @@
+#!/usr/bin/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/>.
+
+case "$BLOCK_BUTTON" in
+	2) $TERMINAL -e nvim "$0" ;;
+esac
+
+# Use the provided interface, otherwise the device used for the default route.
+if [[ -n $BLOCK_INSTANCE ]]; then
+  INTERFACE=$BLOCK_INSTANCE
+else
+  INTERFACE=$(ip route | awk '/^default/ { print $5 ; exit }')
+fi
+
+[ -z "$INTERFACE" ] && echo && exit
+
+# Issue #36 compliant.
+if ! [ -e "/sys/class/net/${INTERFACE}/operstate" ] || ! [ "$(cat "/sys/class/net/${INTERFACE}/operstate")" = "up" ]
+then
+    # echo "$INTERFACE down"
+    # echo "$INTERFACE down"
+    # echo "#FF0000"
+		echo " "
+    exit 0
+fi
+
+# path to store the old results in
+path="/dev/shm/$(basename "$0")-${INTERFACE}"
+
+# grabbing data for each adapter.
+read -r rx < "/sys/class/net/${INTERFACE}/statistics/rx_bytes"
+read -r tx < "/sys/class/net/${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 "${path}"
+fi
+
+# read previous state and update data storage
+read -r old < "${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
+[[ "${time_diff}" -gt 0 ]] || { echo " "; exit; }
+
+# calc bytes transferred, and their rate in byte/s
+rx_diff=$(( rx - old[1] ))
+tx_diff=$(( tx - old[2] ))
+rx_rate=$(( rx_diff / time_diff ))
+tx_rate=$(( tx_diff / time_diff ))
+
+# shift by 10 bytes to get KiB/s. If the value is larger than
+# 1024^2 = 1048576, then display MiB/s instead
+
+# incoming
+rx_kib=$(( rx_rate >> 10 ))
+if [ "$rx_kib" -gt 1 ]; then
+	# echo -n "📥 "
+	echo -n "↓ "
+	if [[ "$rx_rate" -gt 1048576 ]]; then
+		printf '%sM' "$(echo "scale=1; $rx_kib / 1024" | bc)"
+	else
+		echo -n "${rx_kib}K"
+	fi
+fi
+
+# outgoing
+tx_kib=$(( tx_rate >> 10 ))
+if [ "$tx_kib" -gt 1 ]; then
+	# echo -n "📤 "
+	echo -n " ↑ "
+	if [[ "$tx_rate" -gt 1048576 ]]; then
+		printf '%sM' "$(echo "scale=1; $tx_kib / 1024" | bc)"
+	else
+		echo -n "${tx_kib}K"
+	fi
+fi
+
+# echo
+# echo
+# echo "$BLOCK_COLOR_LEVEL1"