firmware/src/packages/fff/fff-wireless/files/usr/lib/nodewatcher-json.d/61-airtime.sh

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#!/bin/sh
SCRIPT_DATA_FILE=$(uci get nodewatcher.@script[0].data_file).json
. /usr/share/libubox/jshn.sh
json_load_file $SCRIPT_DATA_FILE
json_add_object "airtime"
w2dump="$(iw dev w2ap survey dump 2> /dev/null | sed '/Survey/,/\[in use\]/d')"
if [ -n "$w2dump" ] ; then
json_add_object "w2"
w2_ACT="$(ACTIVE=$(echo "$w2dump" | grep "active time:"); set ${ACTIVE:-0 0 0 0 0}; echo -e "${4}")"
w2_BUS="$(BUSY=$(echo "$w2dump" | grep "busy time:"); set ${BUSY:-0 0 0 0 0}; echo -e "${4}")"
json_add_string "active" "$w2_ACT"
json_add_string "busy" "$w2_BUS"
json_close_object #w2
fi
w5dump="$(iw dev w5ap survey dump 2> /dev/null | sed '/Survey/,/\[in use\]/d')"
if [ -n "$w5dump" ] ; then
json_add_object "w5"
w5_ACT="$(ACTIVE=$(echo "$w5dump" | grep "active time:"); set ${ACTIVE:-0 0 0 0 0}; echo -e "${4}")"
w5_BUS="$(BUSY=$(echo "$w5dump" | grep "busy time:"); set ${BUSY:-0 0 0 0 0}; echo -e "${4}")"
json_add_string "active" "$w5_ACT"
json_add_string "busy" "$w5_BUS"
json_close_object #w5
fi
json_close_object #airtime
json_dump > $SCRIPT_DATA_FILE
#exit 0