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wifi_client_stats.sh
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#!/bin/sh
[ -z "$(nvram get odmpid)" ] && ROUTER_MODEL=$(nvram get productid) || ROUTER_MODEL=$(nvram get odmpid) # "nvram get odmpid" doesn't return value on RT-AX86U
readonly SCRIPT_NAME="wifi_client_stats"
readonly DATA_TEMP_FILE=""
readonly DB_URL=""
readonly DB_ORG=""
readonly DB_BUCKET=""
readonly DB_TOKEN=""
wifi_client_stats()
{
wifiInterface=$(nvram get wl_ifnames)
#echo $wifiInterface #debug
for wlan in $wifiInterface; do
clients=$(wl -i $wlan assoclist | awk '{print $2}') #getting wireless client MAC addresses
#printf "$wlan \n" #debug
for client in $clients; do
#ip=$(grep -i $client /proc/net/arp | awk '{print $1}') #arp provided two IPs for a MAC address, even though VM on that system had unique MAC setting -> alternative source preferred
ip=$(grep -i $client /var/lib/misc/dnsmasq.leases | awk '{print $3}') #grabbing IP from current DHCP lease table
host=$(grep -i $client /var/lib/misc/dnsmasq.leases | awk '{print $4}') #grabbing hostname from current DHCP lease table
if [ -z "$ip" ]; then
ip=$clients
fi
if [ -z "$host" ]; then
host=$clients
fi
#printf "$wlan \t "$client" \t "$ip" \t "$host" \\n" #debug
#wl -i $wlan sta_info $client #debug all wifi infos
#unit for rssi and noise metrics: dB
rssi_antenna1=$(wl -i $wlan sta_info $client | awk '/per antenna rssi of last rx data frame/ {print $9}')
rssi_antenna2=$(wl -i $wlan sta_info $client | awk '/per antenna rssi of last rx data frame/ {print $10}')
rssi_antenna3=$(wl -i $wlan sta_info $client | awk '/per antenna rssi of last rx data frame/ {print $11}')
rssi_antenna4=$(wl -i $wlan sta_info $client | awk '/per antenna rssi of last rx data frame/ {print $12}')
rssi_antenna1_avg=$(wl -i $wlan sta_info $client | awk '/per antenna average rssi of rx data frames/ {print $9}')
rssi_antenna2_avg=$(wl -i $wlan sta_info $client | awk '/per antenna average rssi of rx data frames/ {print $10}')
rssi_antenna3_avg=$(wl -i $wlan sta_info $client | awk '/per antenna average rssi of rx data frames/ {print $11}')
rssi_antenna4_avg=$(wl -i $wlan sta_info $client | awk '/per antenna average rssi of rx data frames/ {print $12}')
noise_antenna1=$(wl -i $wlan sta_info $client | awk '/per antenna noise floor/ {print $5}')
noise_antenna2=$(wl -i $wlan sta_info $client | awk '/per antenna noise floor/ {print $6}')
noise_antenna3=$(wl -i $wlan sta_info $client | awk '/per antenna noise floor/ {print $7}')
noise_antenna4=$(wl -i $wlan sta_info $client | awk '/per antenna noise floor/ {print $8}')
#unit for rx and tx rate metrics: kbps
rx_rate_pkt=$(wl -i $wlan sta_info $client | awk '/rate of last rx pkt:/ {print $6}')
tx1_rate_pkt=$(wl -i $wlan sta_info $client | awk '/rate of last tx pkt:/ {print $6}')
tx2_rate_pkt=$(wl -i $wlan sta_info $client | awk '/rate of last tx pkt:/ {print $9}')
#total data transferred, in bytes
rx_total_bytes=$(wl -i $wlan sta_info $client | awk '/rx data bytes/ {print $4}')
tx_total_bytes=$(wl -i $wlan sta_info $client | awk '/tx total bytes/ {print $4}')
#link bandwidth unit: MHz
link_bandwidth=$(wl -i $wlan sta_info $client | awk '/link bandwidth/ {print $4}')
tx_failures=$(wl -i $wlan sta_info $client | awk '/tx failures:/ {print $3}')
rx_decrypt_failures=$(wl -i $wlan sta_info $client | awk '/rx decrypt failures:/ {print $4}')
#idle and online unit: seconds
idle=$(wl -i $wlan sta_info $client | awk '/idle/ {print $2}')
online=$(wl -i $wlan sta_info $client | awk '/in network/ {print $3}')
#rssi unit: dB
rssi=$(wl -i $wlan rssi $client)
if [ "$wlan" = eth6 ]; then
chann="2.4GHz"; else
chann="5GHz";
fi
tags="host=${ROUTER_MODEL},wifi=$wlan,client=$client,ip=$ip,hostname=$host,wifiBand=$chann"
fields="tx_total_bytes=$tx_total_bytes,rx_total_bytes=$rx_total_bytes,tx2_rate_pkt=$tx2_rate_pkt,tx1_rate_pkt=$tx1_rate_pkt,rx_rate_pkt=$rx_rate_pkt,rssi=$rssi,online=$online,idle=$idle,rssi_antenna1=$rssi_antenna1,rssi_antenna2=$rssi_antenna2,rssi_antenna3=$rssi_antenna3,rssi_antenna4=$rssi_antenna4,rssi_antenna1_avg=$rssi_antenna1_avg,rssi_antenna2_avg=$rssi_antenna2_avg,rssi_antenna3_avg=$rssi_antenna3_avg,rssi_antenna4_avg=$rssi_antenna4_avg,noise_antenna1=$noise_antenna1,noise_antenna2=$noise_antenna2,noise_antenna3=$noise_antenna3,noise_antenna4=$noise_antenna4,link_bandwidth=$link_bandwidth,tx_failures=$tx_failures,rx_decrypt_failures=$rx_decrypt_failures"
#echo $fields #debug
curdate=`date +%s` #date in seconds
#curdate_="${curdate}000000000" #in case date needed in ns (InfluxDB 1.x)
measurement="router_asus_wificlients"
data="$measurement,$tags $fields $curdate"
#echo $data >> $DATA_TEMP_FILE #debug
#echo $data #debug
#curl -is -XPOST "https://${DB_URL}/write?db=${DB_NAME}&u=${USER}&p=${PASS}" --data-binary "$data" > /dev/null #InfluxDB 1.x
curl --insecure --request POST "https://${DB_URL}:8086/api/v2/write?org=${DB_ORG}&bucket=${DB_BUCKET}&precision=s" --header "Authorization: Token ${DB_TOKEN}" --data-raw "$data" #> /dev/null
done;
done;
}
#rm -f $DATA_TEMP_FILE
wifi_client_stats