#!/bin/bash -x
# trap ctrl-c and call ctrl_c()
trap ctrl_c INT
trap ctrl_c TERM
function ctrl_c() {
   echo "CTRL-C pressed, killing direwolf in winlinke mode"
   sudo killall direwolf
   sudo killall kissattach
   sudo killall ax25d
   sudo killall -9 direwatch.py
   exit 0
}

# Also Advertise winlink if WINLINKALSO set to anything
#WINLINKALSO=yup

sudo killall kissattach

# zero out old direwolf log file in case /run/ is full
truncate --size 0 /run/direwolf.log

# create a custom direwolf conf file, based on audio audio and ptt method
cp /home/pi/direwolf.node.conf /tmp/direwolf.node.conf
USBPRESENT=`grep "USB" /proc/asound/cards | wc -l`
if [ $USBPRESENT -eq 0 ]; then
  export ALSA_CARD=0
  sed -i 's/\#PTT GPIO/PTT GPIO/gi' /tmp/direwolf.node.conf
else
  export ALSA_CARD=1
  sed -i 's/\#PTT RIG/PTT RIG/gi' /tmp/direwolf.node.conf
fi
sudo mv /tmp/direwolf.node.conf /run/direwolf.node.conf

echo "ALSA_CARD $ALSA_CARD"

direwolf -d t -p -q d -t 0 -c /run/direwolf.node.conf | tee /home/pi/direwolf.log &

/home/pi/direwatch.py  --log "/run/direwolf.log" --title_text "ax25 Node"  &

sleep 5
sudo modprobe netrom
nrdevice=`ifconfig | grep nr0 | wc -l`
if [ $nrdevice -eq 0 ]; then
  sudo nrattach netrom  # run this once per boot
fi
if [ -n "$WINLINKALSO" ]; then
  sudo kissattach `ls -l /tmp/kisstnc | awk '{ print $11 }'` radio 44.56.4.222 # set IP, which makes winlink advertise
else
  sudo kissattach `ls -l /tmp/kisstnc | awk '{ print $11 }'` radio             # do not set IP, no winlink advertisement
fi
sudo kissparms -c 1 -p radio  # fix invalid port first to tries on direwolf
sudo ax25d  # for rmsgw only
sudo /etc/ax25/nodebackup.sh  # restore node table and routes we heard last time
sudo /usr/sbin/netromd        # Start the netrom service, lists for nodes/routes
sudo route del -net 44.0.0.0 netmask 255.0.0.0  # kill tcp traffic to ax0, updatesysop.py hits api.winlink.org on net 44

# advertise node on aprs.fi
while true;
do
#{
#sleep 10
#echo "user KX6XXX-4 pass 12345 vers digipi 1.6"
#sleep 2
## Please change longitude/latitude below if you uncomment this:
#printf  "KX6XXX-4>WIDE1-1,TCPIP,WIDE1-1:!3853.80N/12056.15WB145.730Mhz: http://craiger.org/bbs Play Zork!\r\n"
#sleep 12
#echo "^]"
#echo "quit"
#} | telnet 74.208.216.182 14580

# winlink advertisement 
if [ -n "$WINLINKALSO" ]; then
  /usr/local/bin/rmsgw_aci
  /etc/rmsgw/updatesysop.py
fi
sleep 1200
done