pi-hole/advanced/Scripts/chronometer.sh
2016-10-22 21:59:23 -04:00

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#!/usr/bin/env bash
# Pi-hole: A black hole for Internet advertisements
# (c) 2015, 2016 by Jacob Salmela
# Network-wide ad blocking via your Raspberry Pi
# http://pi-hole.net
# Calculates stats and displays to an LCD
#
# Pi-hole 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 2 of the License, or
# (at your option) any later version.
#Functions##############################################################################################################
setupVars="/etc/pihole/setupVars.conf"
if [[ -f "${setupVars}" ]] ; then
. "${setupVars}"
else
echo "::: WARNING: /etc/pihole/setupVars.conf missing. Possible installation failure."
echo "::: Please run 'pihole -r', and choose the 'reconfigure' option to reconfigure."
exit 1
fi
piLog="/var/log/pihole.log"
gravityraw="/etc/pihole/list.preEventHorizon"
gravity="/etc/pihole/gravity.list"
today=$(date "+%b %e")
IPv4_address=${IPv4_address%/*}
CalcPercentBlockedToday() {
if [ "${queriesToday}" != "Err." ] && [ "${blockedToday}" != "Err." ]; then
if [ "${queriesToday}" != 0 ]; then #Fixes divide by zero error :)
#scale 2 rounds the number down, so we'll do scale 4 and then trim the last 2 zeros
percentBlockedToday=$(echo "scale=4; $(pihole stats blocked)/$(pihole stats hits)*100" | bc)
percentBlockedToday=$(sed 's/.\{2\}$//' <<< "${percentBlockedToday}")
else
percentBlockedToday=0
fi
fi
}
outputJSON() {
CalcPercentBlockedToday
printf '{"domains_being_blocked":"%s","dns_queries_today":"%s","ads_blocked_today":"%s","ads_percentage_today":"%s"}\n' "$(pihole stats list)" "$(pihole stats hits)" "$(pihole stats blocked)" "${percentBlockedToday}"
}
normalChrono() {
for (( ; ; ))
do
clear
# Displays a colorful Pi-hole logo
echo " ___ _ _ _"
echo "| _ (_)___| |_ ___| |___"
echo "| _/ |___| ' \/ _ \ / -_)"
echo "|_| |_| |_||_\___/_\___|"
echo ""
echo " ${IPv4_address}"
echo ""
uptime | cut -d' ' -f11-
#uptime -p #Doesn't work on all versions of uptime
uptime | awk -F'( |,|:)+' '{if ($7=="min") m=$6; else {if ($7~/^day/) {d=$6;h=$8;m=$9} else {h=$6;m=$7}}} {print d+0,"days,",h+0,"hours,",m+0,"minutes."}'
echo "-------------------------------"
# Uncomment to continually read the log file and display the current domain being blocked
#tail -f /var/log/pihole.log | awk '/\/etc\/pihole\/gravity.list/ {if ($7 != "address" && $7 != "name" && $7 != "/etc/pihole/gravity.list") print $7; else;}'
#uncomment next 4 lines to use original query count calculation
#today=$(date "+%b %e")
#todaysQueryCount=$(cat /var/log/pihole.log | grep "$today" | awk '/query/ {print $7}' | wc -l)
#todaysQueryCountV4=$(cat /var/log/pihole.log | grep "$today" | awk '/query/ && /\[A\]/ {print $7}' | wc -l)
#todaysQueryCountV6=$(cat /var/log/pihole.log | grep "$today" | awk '/query/ && /\[AAAA\]/ {print $7}' | wc -l)
CalcPercentBlockedToday
echo "Blocking: $(pihole stats list)"
echo "Queries: $(pihole stats hits)" #same total calculation as dashboard
echo "Pi-holed: $(pihole stats blocked) ($percentBlockedToday%)"
sleep 5
done
}
displayHelp() {
cat << EOM
::: Displays stats about your piHole!
:::
::: Usage: sudo pihole -c [optional:-j]
::: Note: If no option is passed, then stats are displayed on screen, updated every 5 seconds
:::
::: Options:
::: -j, --json output stats as JSON formatted string
::: -h, --help display this help text
EOM
exit 1
}
if [[ $# = 0 ]]; then
normalChrono
fi
for var in "$@"
do
case "$var" in
"-j" | "--json" ) outputJSON;;
"-h" | "--help" ) displayHelp;;
* ) exit 1;;
esac
done