#/bin/bash
#
#startax.sh
#This is my own script to start the ax25 services on my Raspberry Pi node
#
 
#Declaring some variables that point to binaries needed for this script
DIREWOLF=/usr/local/bin/direwolf
ALSACTL=/usr/sbin/alsactl
MKISS=/usr/sbin/mkiss
KISSATTACH=/usr/sbin/kissattach
KISSPARMS=/usr/sbin/kissparms
AXLISTEN=/usr/bin/axlisten
IP=/bin/ip
 
#User variables for system settings
AXINT=vhfdrop
TXDELAY=400
TXTAIL=50
 
#Placeholder IP address for ax25 interface if you wish to run IP over AX25
IPADDR="0.0.0.0"
 
#Declaring variables used in combination with the binaries above
DIREWOLFCONF=/etc/ax25/direwolf-packet.conf
 
#NETROM Interface name per /etc/ax25/nrports
NETROMIF="netrom0"
NETROMIF2="netrom1"
#NETROM IP address 
NETROMIP="44.128.0.1"
 
#Variable declared to point to the log file
LOG="/var/log/packet.log"
 
#--------------------------------------------
#0. Start up sequence begins.
echo "startax25.sh starting up"
echo "startax25.sh starting up" >> $LOG
date
date  >> $LOG
 
#1. Restoring alsa mixer settings
echo "Restoring audio levels on soundcard"
echo "Restoring audio levels on soundcard" >> $LOG
$ALSACTL restore
#Now check if it did happen or not.
if [ $? -ne 0 ]; then  
   # S? is a special variable that holds the return/exit code of the last executed command. If not equal to 0 then there are errors.
   echo -e "WARNING: alsamix audio level restore failed.  Did you store your proper mixer levels with alsactl?"
   echo -e "WARNING: alsamix audio level restore failed.  Did you store your proper mixer levels with alsactl?" >> $LOG
fi
 
#2. Start Direwolf
echo "Starting direwolf"
echo "Starting direwolf" >> $LOG
$DIREWOLF -t 0 -c $DIREWOLFCONF -p >> $LOG 2>&1 &
#Now check if it started properly
   if [ -z "`ps ax | grep -v grep | grep direwolf`" ]; then
      echo "ERROR: Direwolf did not start properly and is not running, please review $LOG"
      echo "ERROR: Direwolf did not start properly and is not running, please review $LOG" >> $LOG
      exit 1
   fi
 
sleep 3 #This is important to give direwolf some time to come up with /tmp/kisstnc. Only then the rest can run.
 
#3. Kissattach and Kissparms
kissattach /tmp/kisstnc $AXINT $IPADDR
kissparms -p $AXINT -c 1 -f n -t $TXDELAY -s 100 -r 63 -l $TXTAIL
 
#4. Bring up the netrom interface if nrports file has been configured and variables in this script are properly configured
if [ -n "`grep -v -e "^#" -e "^$" /etc/ax25/nrports`" ]; then
   /sbin/modprobe netrom
   if [ $? -ne 0 ]; then
      echo "ERROR: netrom module did NOT start properly"
      echo "ERROR: netrom module did NOT start properly" >> $LOG
     else
      echo "netrom module loaded"
      echo "netrom module loaded" >> $LOG
   fi
 
#The following IP addres here is just a placeholder and won't be used
   /usr/sbin/nrattach -i $NETROMIP $NETROMIF
#   /usr/sbin/nrattach -i $NETROMIP $NETROMIF2
   if [ $? -ne 0 ]; then
      echo "ERROR: nrattach did not start properly"
      echo "ERROR: nrattach did not start properly" >> $LOG
     else
      echo "nrattach started"
      echo "nrattach started" >> $LOG
   fi
 
   #  -i    : will send a netrom route for this station within 60 seconds
   #  -l    : turns on logging for both programs
   #  -t 60 : send future netrom route updates every 60 minutes (default)
   /usr/sbin/netromd -i -l -t 60
   if [ $? -ne 0 ]; then
      echo "ERROR: netromd did not start properly"
      echo "ERROR: netromd did not start properly" >> $LOG
     else
      echo "netromd started"
      echo "netromd started" >> $LOG
   fi
fi
 
#5. Start the ax25 daemon
/usr/sbin/ax25d
 

#!/bin/bash
#
#config files
DIREWOLFCONF=/etc/ax25/direwolf-packet.conf
#Logging result file
LOG="/var/log/packet.log"
 
#Let's shutdown everything, first of all LinPac
echo "Shutting down Linpac"
echo "Shutting down Linpac" >> $LOG
/usr/bin/killall linpac > /dev/null
 
#Stop Ax25 support
for PROC_NAME in beacon axlisten mheardd ax25spyd ax25d ax25ipd ax25rtd
    do
      PID=`/bin/pidof -x $PROC_NAME`
      if [ -n "$PID" ]; then
         echo "Ending $PROC_NAME - $PID "
         echo "Ending $PROC_NAME - $PID " >> $LOG
         kill -TERM $PID > /dev/null
         sleep 1
      fi
    done
 
#Save the NetRom routes before shutting down it down
#if [ -f /etc/ax25/nrports ]; then
   # Save NetRom routes
#   /usr/sbin/nodesave -p /usr/sbin/ /var/ax25/nrsave 
#   echo "NetRom routes saved"
#   echo "NetRom routes saved" >> $LOG
#fi
 
#Now shut NetRom down
pidof netromd > /dev/null
if [ $? -eq 0 ]; then
   # Stop NetRom
   /usr/bin/killall netromd > /dev/null
   /sbin/ifconfig nr0 down
   /sbin/ifconfig nr1 down
   /sbin/ifconfig nr2 down
   /sbin/ifconfig nr3 down
   /sbin/ifconfig nr4 down
   /sbin/ifconfig nr5 down
   echo "Stopping Netrom"
   echo "Stopping Netrom" >> $LOG
fi
 
#Stopping Kissattach
echo "Stopping Kissattach"
echo "Stopping Kissattach" >> $LOG
/usr/bin/killall -KILL kissattach > /dev/null
 
#Shut down Direwolf
if [ -f $DIREWOLFCONF ]; then
   #If direwolf is being used
   echo "Stopping Direwolf"
   echo "Stopping Direwolf" >> $LOG
   /usr/bin/killall direwolf
fi
 
#Shut down the ax25 daemon
/usr/bin/killall ax25d
 
echo -e "ax25 Stopped\n"
echo -e "ax25 Stopped\n" >> $LOG