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#!/usr/bin/env bash
# Example script to monitor traffic count (bytes in/bytes out) on my IGD
# Requires:
# - jq (install by: sudo apt-get install jq)
# - async_upnp_client (install by: pip install async_pnp_client)
set -e
if [ "${1}" = "" ]; then
echo "Usage: ${0} url-to-device-description"
exit 1
fi
# we want thousands separator
export LC_NUMERIC=en_US.UTF-8
UPNP_DEVICE_DESC=${1}
UPNP_ACTION_RECEIVED=WANCIFC/GetTotalBytesReceived
UPNP_ACTION_SENT=WANCIFC/GetTotalBytesSent
JQ_QUERY_RECEIVED=.out_parameters.NewTotalBytesReceived
JQ_QUERY_SENT=.out_parameters.NewTotalBytesSent
SLEEP_TIME=1
function get_bytes_received {
echo $(upnp-client --device ${UPNP_DEVICE_DESC} call-action ${UPNP_ACTION_RECEIVED} | jq "${JQ_QUERY_RECEIVED}")
}
function get_bytes_sent {
echo $(upnp-client --device ${UPNP_DEVICE_DESC} call-action ${UPNP_ACTION_SENT} | jq "${JQ_QUERY_SENT}")
}
# print header
printf "%-*s %*s %*s\n" 24 "Timestamp" 16 "Received" 16 "Sent"
BYTES_RECEIVED=$(get_bytes_received)
BYTES_SENT=$(get_bytes_sent)
while [ true ]; do
sleep ${SLEEP_TIME}
PREV_BYTES_RECEIVED=${BYTES_RECEIVED}
PREV_BYTES_SENT=${BYTES_SENT}
BYTES_RECEIVED=$(get_bytes_received)
BYTES_SENT=$(get_bytes_sent)
DIFF_BYTES_RECEIVED=$((${BYTES_RECEIVED} - ${PREV_BYTES_RECEIVED}))
DIFF_BYTES_SENT=$((${BYTES_SENT} - ${PREV_BYTES_SENT}))
DATE=$(date "+%Y-%m-%d %H:%M:%S")
printf "%-*s %'*.0f %'*.0f\n" 24 "${DATE}" 16 "${DIFF_BYTES_RECEIVED}" 16 "${DIFF_BYTES_SENT}"
done
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