#!/bin/bash
#/******************************************************************************
#  Copyright (c) 2020, Intel Corporation
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DIR=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
source $DIR/helpers.sh
source $DIR/$PLAT/$(basename -s ".sh" $0).config

if [ $# -eq 0 ]; then
	echo "How to run this : $0 <interface> < secs ( opt : how long to run the test , def : 50 sec ) >"
	exit 1
fi

IFACE=$1
CLK=`ethtool -T $IFACE | grep -Po "(?<=PTP Hardware Clock: )[\d+]"`

pkill gnuplot
if pgrep -x tsq > /dev/null; then
	kill -9 $( pgrep -x tsq ) > /dev/null
	echo -e "Previous TSQ is still running. Attempting to kill it."
fi

# Start the listener
./tsq -L -i $TARGET_IP_ADDR -p 7777 -v &
TSQ_LISTENER_PID=$!

# Check if tsq listener is alive, otherwise exit.
if ! ps -p $TSQ_LISTENER_PID > /dev/null; then
	echo -e "\nTSQ Listener has exited prematurely. Script will stop now."
	exit 1
fi

sleep 5

# Start the talker
./tsq -T -i $TARGET_IP_ADDR -p 7777 -d /dev/ptp$CLK -v -u 1111  &
TSQ_TALKER_PID=$!

# Check if tsq talker is alive, otherwise exit
if ! ps -p $TSQ_TALKER_PID > /dev/null; then
	echo -e "\nTSQ Talker has exited prematurely. Script will stop now."
	# Kill tsq listener before exiting.
	kill -9 $( pgrep -x tsq ) > /dev/null
	exit 1
fi

GNUPLOT_PATH=$(which gnuplot)

# Check if the data is available
while [[ ! -s tsq-listener-data.txt ]]; do sleep 1 && echo "Waiting for data"; done
echo "Data is now available"

# Check if the gnuplot is available
if [[ -z $GNUPLOT_PATH ]]; then
	echo "INFO: gnuplot is not available in this system. No live plot will be available."
else
	# Start the liveplot
	if [[ $DISPLAY ]]; then
		echo "Starting plotting"
		gnuplot -persist -e "PLOT_TITLE='$PLAT: $IFACE: Time sync Quality Measurement';YMAX=50; filename='tsq-listener-data.txt'" $DIR/../common/liveplot.gnu &
	fi
fi

# Let listener, talker and gnuplot run until the test_period is over.
sleep $TEST_PERIOD

exit 0
