#!/bin/sh

# Mobile Broadband Autoconnect Service script v2.0 alpha by The Fan Club - May 2012

# acts as startup service script for nmcli to autoconnect Mobile Broadband Connections

# NOTE: use the name of the Mobile Connection in the Network Manager as the 'id'

# USAGE: start|stop|status

#

### BEGIN INIT INFO

# Provides: mobile-broadband-connect

# Required-Start: $remote_fs $syslog

# Required-Stop: $remote_fs $syslog

# Should-Start: $network

# Should-Stop: $network

# Default-Start: 3 4 5

# Default-Stop: 0 1 6

# Short-Description: Autoconnect 3G GSM

### END INIT INFO

 

NAME="mobile-broadband-connect"

DESC="Autoconnect 3G/4G GSM USB modem at startup"

 

test -x $DAEMON || exit 0

 

case "$1" in

        start)

           echo "[MBC] *** Starting Mobile Broadband Connection."  

           while true; do

              # Waiting for GSM modem adaptor...

          LC_ALL=C nmcli -t -f TYPE,STATE dev | grep -q "^gsm:disconnected$"

          if [ $? -eq 0 ]; then          

                 # now gsm detected, run the script

             echo "[MBC] GSM Modem Detected - attempting auto connect"

                     nmcli -t con up id YourMobileBroadbandConnectionNameHere

                 echo "[MBC] GSM Modem connecting ....."

             # we want the script to loop forever and

             # check if the connection is down

             # but we need to give it a chance to connect or

             # the modem will attempt to connect in an endless loop so we

             # give a 30 second break to make sure it is not connected 

                 echo "[MBC] Hopefully connected now... sleeping for 30sec"            

                 sleep 30

              else

                 # GSM device not detected yet or GMS device already connected - sleep

                 echo "[MBC] MBC still running - sleeping for 10....."

                 sleep 10

              fi

       done

        ;;

        stop)

       echo "[MBC] Stopping Mobile Broadband Connection."  

       nmcli -t con down id YourMobileBroadbandConnectionNameHere

       #nmcli -t nm wwan off

        ;;

        status)

       # Check network status with nmcli

       nmcli -p dev

        ;;

       

        *)

           echo "[MBC] Mobile Broadband Startup Service"

       echo $"Usage: $0 {start|stop|status}"

       exit 1

esac

exit 0