OpenWRT assoclist for all WiFi interfaces

assoclist-all.sh

#!/bin/sh

. /usr/share/libubox/jshn.sh

list_ifaces() {
	ubus list 'hostapd.*' 2>/dev/null | sed 's/^hostapd\.//' | sort -n
}

to_mbps() {
	awk -v r="$1" 'BEGIN{if (r=="") {print "N/A"} else {printf "%.1f MBit/s", r/100000}}'
}

for ifname in $(list_ifaces); do
	echo "-------------------------------------"
	printf '  Stations on: %-16s\n' "$ifname"
	echo "-------------------------------------"

	json="$(ubus call "hostapd.$ifname" get_clients 2>/dev/null || echo '{}')"

	json_init
	if ! json_load "$json" 2>/dev/null; then
		echo
		continue
	fi

	if ! json_select clients 2>/dev/null; then
		echo
		continue
	fi

	json_get_keys macs
	[ -z "$macs" ] && { echo; continue; }

	for mac in $macs; do
		json_select "$mac" 2>/dev/null || continue

		json_get_var sig signal

		json_select packets 2>/dev/null
		json_get_var rx_pkts rx
		json_get_var tx_pkts tx
		json_select ..

		json_select rate 2>/dev/null
		json_get_var rx_rate_raw rx
		json_get_var tx_rate_raw tx
		json_select ..

		json_select ..

		mac_uc="$(echo "$mac" | tr '[a-f]' '[A-Z]' | sed -e 's/_/:/g')"
		sig="${sig:--127}"

		rx_bitrate="$(to_mbps "$rx_rate_raw")"
		tx_bitrate="$(to_mbps "$tx_rate_raw")"

		printf "%s  %4s dBm | RX: %-14s %8s Pkts. | TX: %-14s %8s Pkts.\n" \
			"$mac_uc" "$sig" \
			"${rx_bitrate:-N/A}" "${rx_pkts:-0}" \
			"${tx_bitrate:-N/A}" "${tx_pkts:-0}"
	done
	printf '\n'
done