vxl bell script

bell.sh

#!/bin/sh

usage() {
  echo "Usage: $0 { on | off | install | reset | id | listen | log | kill | learn }"
}

on() {
  echo 1 >/sys/class/gpio/gpio8/value
}

off() {
  echo 0 >/sys/class/gpio/gpio8/value
}

log() {
  cat /tmp/bell.log
}

beep() {
  on
  sleep 1
  off
}

id() {
  cat /root/id
}

reset() {
  echo reset id
  rm /root/id
  beep
}

learn() {
  echo learn id
  touch /root/learn
  killall -9 nc
  beep
}

kill() {
  echo kill
  killall -9 nc
  killall -9 bell
}

install_boot() {
  echo installing /etc/init.d/bell
  cat <<EOF > /etc/init.d/bell
#!/bin/sh /etc/rc.common
START=99
start() {
  bell off
  sleep 10
  bell listen > /tmp/bell.log &
}
EOF
  chmod +x /etc/init.d/bell
  /etc/init.d/bell enable
}

install_button() {
  echo installing /etc/rc.button/reset
  cat <<EOF > /etc/rc.button/reset
#!/bin/sh
[ "\${ACTION}" = "released" ] || exit 0
if [ "\$SEEN" -gt 2 ] ; then
  bell reset
fi
bell learn
EOF
}

install_network() {
  echo installing /etc/config/network
  cat <<EOF > /etc/config/network
config interface 'loopback'
  option ifname 'lo'
  option proto 'static'
  option ipaddr '127.0.0.1'
  option netmask '255.0.0.0'

config interface 'lan'
  option ifname 'eth0 eth1'
  option type 'bridge'
  option proto 'dhcp'
}
EOF
}

install_banner() {
  cat <<EOF > /etc/banner
 ___      ___ ___    ___ ___          
|\  \    /  /|\  \  /  /|\  \         
\ \  \  /  / | \  \/  / | \  \        
 \ \  \/  / / \ \    / / \ \  \       
  \ \    / /   /     \/   \ \  \____  
   \ \__/ /   /  /\   \    \ \_______\ 
    \|__|/   /__/ /\ __\    \|_______|
             |__|/ \|__|              
                                      
EOF
  cat /etc/banner
  echo installing /etc/banner
}

install_bin() {
  if [ $0 != '/usr/bin/bell' ] ; then
    echo moving $0 to /usr/bin/bell
    mv $0 /usr/bin/bell
  fi
}

install() {
  install_banner
  install_boot
  install_button
  install_network
  install_bin
  echo done
}

listen() {
  bell off
  mkfifo /tmp/srv-input
  cat > /tmp/srv-input &
  

  while :
  do
    echo "listening..."
    cat /tmp/srv-input | nc bel.vcxl.nl 8080 | while read line
    do
      echo "read line: $line"
      if [ -f /root/learn ] ; then
        echo $line >> /root/id
        rm /root/learn
        beep
      fi

      grep -q /root/id -e $line
      if [ $? -eq 0 ] ; then
        echo "found: $line"
        on
      fi

      if [ "$line" = "off" ] ; then
        off
      fi
    done
    echo "connection closed"
    sleep 1
  done
}


if [ $# -eq 0 ] ; then
  usage
elif [ $1 = "on" ] ; then
  on
elif [ $1 = "off" ] ; then
  off
elif [ $1 = "id" ] ; then
  id
elif [ $1 = "reset" ] ; then
  reset
elif [ $1 = "learn" ] ; then
  learn
elif [ $1 = "install" ] ; then
  install
elif [ $1 = "listen" ] ; then
  listen
elif [ $1 = "log" ] ; then
  log
elif [ $1 = "kill" ] ; then
  kill
else
  usage
fi