#!/bin/bash

# This is a "meta script", it will download the latest version of the measurement script
# (that will be placed in a temp dir and then, run it.
# At the end of the execution the created directory will be deleted

# Checking if some of the mandatory tools are available
command -v curl >/dev/null 2>&1 || { echo >&2 "The script require curl but it's not installed. Aborting."; exit 1; }

# If you want to customise the script, enter the path WITHOUT the trailing /
# FYI we are adding a timestamp to the end of the dirname trying to be kind of "unique"
# it's a dirty trick, right!
SCRIPT_PATH="$HOME/.mptcp_measures"
TIMESTAMP=`date +%s`
SCRIPT_PATH="${SCRIPT_PATH}-${TIMESTAMP}/"

# Try to download the latest version from the MPTCP Website
mkdir ${SCRIPT_PATH} 
create_return=$?

if [[ $create_return -eq 1 ]]; then
	echo "There was a problem creating the temp dir..."; exit 1;
fi

curl -s -L http://www.multipath-tcp.org/vboxtests/mptcp_measures_script -o ${SCRIPT_PATH}mptcp_measures_script
dl_return=$?

if [[ $dl_return -eq 0 ]]; then
	# Download succeded, installing the new version
	chmod +x ${SCRIPT_PATH}mptcp_measures_script
	echo "[infos] download ok, launching script..."
	${SCRIPT_PATH}mptcp_measures_script "$@"
	echo "[infos] script terminated, removing temp files"
	rm -Rf ${SCRIPT_PATH}
else
	echo "[infos] there was a problem downloading the script please check your Internet connection"
fi