S60tty2x

#!/bin/bash

# By venice & ojaksch
# 2022-09-12 Release
#

! [ "$(dos2unix -ic /media/fat/tty2x/*.ini)" = "" ] && dos2unix -k -q /media/fat/tty2x/*.ini

. /media/fat/tty2x/tty2x.ini
. /media/fat/tty2x/tty2x-user.ini

# Start
start() {
    ### Wait for USB module and start tty2x daemon
    WAITEND=$((SECONDS+10))
    while !  [ -c ${TTYDEV} ] && [ ${SECONDS} -lt ${WAITEND} ]; do
      sleep 0.1
    done
    if ! [ -c ${TTYDEV} ]; then
      echo "Could not find the needed USB module ${TTYDEV}. Exiting."
      exit 1
    fi

    if [[ -x ${DAEMONSCRIPT} ]]; then
      if [ -e /run/tty2x-daemon.pid ] && [ -d /proc/$(</run/tty2x-daemon.pid) ]; then
	echo "${DAEMONNAME} already running"
	exit 1
      else
	echo "Starting ${DAEMONNAME}..."
	${DAEMONSCRIPT} & echo $! > /run/tty2x-daemon.pid
      fi
    else
      echo "${DAEMONSCRIPT} not found!"
    fi
}

# Stop
stop() {
    echo "Stopping ${DAEMONNAME}..."
    if [ -e /run/tty2x-daemon.pid ]; then
      PIDDAEMON=$(</run/tty2x-daemon.pid)
      PIDINOTIFY=$(ps -eo pid,ppid,args | grep $(ps | grep tty2x | awk 'NR==1{print $1}') | tail -1 | awk '{print $1}')
      #echo "PIDDAEMON = $PIDDAEMON"
      #echo "PIDINOTIFY = $PIDINOTIFY"
    fi
    [ ${PIDDAEMON} ] && kill ${PIDDAEMON} &> /dev/null
    [ ${PIDINOTIFY} ] && kill ${PIDINOTIFY} &> /dev/null
    rm -f /run/tty2x-daemon.pid
}

setup() {
    if [ ! -e ${USERSTARTUP} ] && [ -e /etc/init.d/S99user ]; then
      if [ -e ${USERSTARTUPTPL} ]; then
        echo "Copying ${USERSTARTUPTPL} to ${USERSTARTUP}"
        cp ${USERSTARTUPTPL} ${USERSTARTUP}
      else
        echo "Creating ${USERSTARTUP}"
        echo -e "#!/bin/sh\n" > ${USERSTARTUP}
        echo -e 'echo "***" $1 "***"' >> ${USERSTARTUP}
      fi
    fi

    if [ $(grep -c "tty2x"  ${USERSTARTUP}) = "0" ]; then
      echo "Adding tty2x init to user-startup!"
      echo -e "\n# Startup tty2x" >>  ${USERSTARTUP}
      echo -e "[[ -e ${INITSCRIPT} ]] && ${INITSCRIPT} \$1" >>  ${USERSTARTUP}
    else
      echo "tty2x init setup already done!" 
    fi
}
case "$1" in
  start)
	start
	;;
  stop) 
	stop
	;;
  restart)
	stop
	start
	;;
  setup)
	setup
	;;
  *)
	echo "Usage: $0 {start|stop|restart|setup}"
	exit 1
esac