Domoticz

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#!/bin/bash

# Pfsense Configuration
pfsenseip="192.168.0.1"
snmpid="public"
snmpversion="2c"
waninterfacename="pppoe0"
measuretime="60" # If you want avg mbps per minute, this would be 60

# Domoticz Configuration
domoticzserver="192.168.0.5"
domoticzport="443"
domoticzuser="username"
domoticzpass="password"

# Identify the WAN interface
interfacelist=$(snmpwalk -c "$snmpid" -v "$snmpversion" "$pfsenseip" .1.3.6.1.2.1.2.2.1.2)
wansnmpid=$(echo "$interfacelist" | grep "$waninterfacename" | awk '{ print $1 }' | grep -o '.\{1\}$')

# Get list of interfaces and display them in terminal
if [[ $1 == 'list' ]]; then
echo "$interfacelist" | awk '{ print $4 }' | sed 's/\"//g'
exit
fi

# Start work loop
while true; do

# Notify terminal
echo && echo "Interface: $waninterfacename"
echo "Calculating bandwidth per $measuretime seconds in mbps... (wait $measuretime seconds)"

# Get data
waninkb=$(snmpwalk -c "$snmpid" -v "$snmpversion" "$pfsenseip" .1.3.6.1.2.1.2.2.1.10."$wansnmpid" | awk '{ print $4 }')
wanoutkb=$(snmpwalk -c "$snmpid" -v "$snmpversion" "$pfsenseip" .1.3.6.1.2.1.2.2.1.16."$wansnmpid" | awk '{ print $4 }')

# Wait time period
sleep "$measuretime"

# Get data a second time
waninkb2=$(snmpwalk -c "$snmpid" -v "$snmpversion" "$pfsenseip" .1.3.6.1.2.1.2.2.1.10."$wansnmpid" | awk '{ print $4 }')
wanoutkb2=$(snmpwalk -c "$snmpid" -v "$snmpversion" "$pfsenseip" .1.3.6.1.2.1.2.2.1.16."$wansnmpid" | awk '{ print $4 }')

# Do math for Mbps
inbits=$(echo $((("$waninkb2"-"$waninkb") / 60 * 8)) | bc -l)
inmegabits=$(echo "scale=2; $inbits / 1000000" | bc -l)
outbits=$(echo $((("$wanoutkb2"-"$wanoutkb") / 60 * 8)) | bc -l)
outmegabits=$(echo "scale=2; $outbits / 1000000" | bc -l)

# Check data viability
if (( $(echo "$inbits > 2" |bc -l) )) && (( $(echo "$outbits > 2" |bc -l) )); then

# Notify Terminal 2
echo "In: $inmegabits Mbps"
echo "Out: $outmegabits Mbps"

# Send data to Domoticz
curl --max-time 60 -s -k "https://{$domoticzuser}:{$domoticzpass}@{$domoticzserver}:{$domoticzport}/json.htm?type=command&param=udevice&idx=503&svalue=${inmegabits}"
curl --max-time 60 -s -k "https://{$domoticzuser}:{$domoticzpass}@{$domoticzserver}:{$domoticzport}/json.htm?type=command&param=udevice&idx=502&svalue=${outmegabits}"

# Report if there was a problem
else
echo "There was a problem getting the data"
fi

done

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# Start pfsense monitor
/usr/bin/screen -S pfsense-monitor -d -m /root/pfsense/update.sh

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++ awk '{ print $4 }'
+ wanoutkb2=869273840
update.sh: line 47: ("2653134149"-"2652444641") / 60 * 8: syntax error: operand expected (error token is ""2653134149"-"2652444641") / 60 * 8")
++ bc -l
+ inbits=
++ bc -l
++ echo 'scale=2;  / 1000000'
(standard_in) 1: syntax error
+ inmegabits=
update.sh: line 49: ("869273840"-"868626335") / 60 * 8: syntax error: operand expected (error token is ""869273840"-"868626335") / 60 * 8")
++ bc -l
+ outbits=
++ echo 'scale=2;  / 1000000'
++ bc -l
(standard_in) 1: syntax error
+ outmegabits=
++ bc -l
++ echo ' > 2'
(standard_in) 1: syntax error
+ ((    ))
+ echo 'There was a problem getting the data'
There was a problem getting the data
+ true
+ echo

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# Do math for Mbps
inbits=$(echo $((($waninkb2-$waninkb) / 60 * 8)) | bc -l)
inmegabits=$(echo "scale=2; $inbits / 1000000" | bc -l)
outbits=$(echo $((($wanoutkb2-$wanoutkb) / 60 * 8)) | bc -l)
outmegabits=$(echo "scale=2; $outbits / 1000000" | bc -l)