May be the file “/home/pi/adsb-feeder/bash/feeders/adsbexchange.sh” needs review/revision (see two red parts, looks dual assignment)??
pi@raspberrypi:~ $ cat /home/pi/adsb-feeder/bash/feeders/adsbexchange.sh
#!/bin/bash
#####################################################################################
ADS-B FEEDER
#####################################################################################
This script is not meant to be executed directly.
Instead execute install.sh to begin the installation process.
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
Copyright (c) 2015 Joseph A. Prochazka
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the “Software”), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
VARIABLES
BUILDDIR=$PWD
ADSBEXCHANGEDIR=“$BUILDDIR/adsbexchange”
source …/bash/functions.sh
INFORMATIVE MESSAAGE ABOUT THIS SOFTWARE
clear
echo -e “\033[31m”
echo “-----------------------------------------------------”
echo " Now ready to set up ADS-B Exchange feed."
echo “-----------------------------------------------------”
echo -e “\033[33mADSBexchange.com is a co-op of ADS-B/Mode S/MLAT feeders from around the world.”
echo “PiAware is required to be installed in order to feed this site. If PiAware is not”
echo “currently installed this script will execute the PiAware installation script after”
echo “which this script will continue with the ADS-B Exchange feed setup.”
echo “”
echo “Ways To Join The Exchange - ADS-B Exchange”
echo “GitHub - flightaware/piaware: Client-side package and programs for forwarding ADS-B data to FlightAware”
echo -e “\033[37m”
read -p “Press enter to continue…” CONTINUE
CHECK FOR PREREQUISITE PACKAGES
echo -e “\033[33m”
echo “Installing packages needed to build and fulfill dependencies…”
echo -e “\033[37m”
CheckPackage netcat
CONFIGURE PIAWARE TO FEED ADS-B EXCHANGE IF PIAWARE IS INSTALLED
echo -e “\e[33m”
printf “Configuring PiAware if it is installed…”
if [ $(dpkg-query -W -f=‘${Status}’ piaware 2>/dev/null | grep -c “ok installed”) != 0 ]; then
echo -e “\033[33m”
[color=#FF0000]echo “Adding the ADS-B Exchange feed to PiAware’s configuration…”
ORIGINALFORMAT=sudo piaware-config -show | grep mlatResultsFormat | sed 's/mlatResultsFormat //g'
MLATRESULTS=sed 's/{}]//g' <<< $ORIGINALFORMAT
CLEANFORMAT=sed 's/ beast,connect,feed.adsbexchange.com:30005//g' <<< $MLATRESULTS
sudo piaware-config -mlatResultsFormat “${CLEANFORMAT} beast,connect,feed.adsbexchange.com:30005”
echo "Restarting PiAware so new configuration takes effect..."
echo -e "\033[37m"
sudo piaware-config -restart
echo ""
fi
CONFIGURE SCRIPT TO EXECUTE NETCAT TO FEED ADS-B EXCHANGE
echo -e “\033[33mSetting permissions on adsbexchange-maint.sh…”
echo -e “\033[37m”
sudo chmod +x $ADSBEXCHANGEDIR/adsbexchange-maint.sh
[color=#FF0000]echo -e “\033[33mAdding startup line to rc.local…”
echo -e “\033[37m”
lnum=($(sed -n ‘/exit 0/=’ /etc/rc.local))
((lnum>0)) && sudo sed -i "${lnum[$((${#lnum[@]}-1))]}i ${ADSBEXCHANGEDIR}/adsbexchange-maint.sh &
" /etc/rc.local
START NETCAT ADS-B EXCHANGE FEED
echo -e “\033[33mExecuting adsbexchange-maint.sh…”
echo -e “\033[37m”
sudo $ADSBEXCHANGEDIR/adsbexchange-maint.sh &
echo -e “\033[33mConfiguration of the ADS-B Exchange feed is now complete.”
echo “Please look over the output generated to be sure no errors were encountered.”
echo -e “\033[37m”
read -p “Press enter to continue…” CONTINUE
pi@raspberrypi:~ $
[/quote]
The file “adsbexchange-maint.sh” for reference:
pi@raspberrypi:~ $ cat adsb-feeder/build/adsbexchange/adsbexchange-maint.sh
#! /bin/sh
while true
do
sleep 30
/bin/nc 127.0.0.1 30005 | /bin/nc feed.adsbexchange.com 30005
done
pi@raspberrypi:~ $
File /etc/rc.local for reference. Please see two lines above last line (exit 0):
pi@raspberrypi:~ $ cat /etc/rc.local
#!/bin/sh -erc.local
This script is executed at the end of each multiuser runlevel.
Make sure that the script will “exit 0” on success or any other
value on error.
In order to enable or disable this script just change the execution
bits.
By default this script does nothing.
Print the IP address
_IP=$(hostname -I) || true
if “$_IP” ]; then
printf "My IP address is %s
" “$_IP”
fi
/home/pi/adsb-feeder/build/dump978/dump978-maint.sh &
/home/pi/adsb-feeder/build/adsbexchange/adsbexchange-maint.sh &
exit 0
pi@raspberrypi:~ $
