src/initscripts/init.d/connectioncheck

   1 #!/bin/bash
   2 #
   3
   4 eval $(/usr/local/bin/readhash /var/ipfire/ppp/settings)
   5
   6 # MAXRETRIES is now a count before red clear and if reconnection fail, eventually switching to a backup profil
   7 MAXCONFIGURE=160
   8 if [ ! $HOLDOFF ]; then
   9         HOLDOFF=30
  10 fi
  11
  12 # Debugging. Comment it out to stop logging
  13 DEBUG="yes"
  14 msg() {
  15         if [ "z$DEBUG" != "z" ] ; then
  16                 /usr/bin/logger -t red "Connectioncheck: $*"
  17         fi
  18         /bin/echo "$*"
  19 }
  20
  21 if [ -s "/var/ipfire/red/keepconnected" ]; then
  22         ATTEMPTS=$(/bin/cat /var/ipfire/red/keepconnected)
  23 else
  24         echo "0" > /var/ipfire/red/keepconnected
  25 fi
  26
  27 case "$1" in
  28   start)
  29         # waiting pppd start or sync timout set at 90 s when available in driver
  30         # So just wait 5 s after 'red start' end where pppd should have been started
  31         TIMETOSTART=0
  32         while ( ! /bin/ps ax | /bin/grep -q [p]ppd ); do
  33                 if [ ! -e "/var/ipfire/red/keepconnected" ]; then
  34                         # user pressed disconnect in gui
  35                         exit 0
  36                 fi
  37                 RCREDSTART=`/bin/ps ax | /bin/grep 'red start'`
  38                 if [ "$TIMETOSTART" -eq 1 ]; then
  39                         msg "fail before pppd start : no sync, trying again"
  40                         /etc/rc.d/init.d/network restart red
  41                         exit
  42                 fi
  43                 # give 5 s more at pppd to be visible  with ps ax after 'red start' end
  44                 if [ "$RCREDSTART" = '' ]; then
  45                         TIMETOSTART=1
  46                 fi
  47                 /bin/sleep 5
  48         done
  49
  50         #watching if an IP is received in $MAXCONFIGURE time to avoid some pppoa waiting forever even after LCP timeout
  51         COUNT=0
  52         while [ "$COUNT" -le "$MAXCONFIGURE" ]; do
  53                 if [ ! -e "/var/ipfire/red/keepconnected" ]; then
  54                         # user pressed disconnect in gui
  55                         exit 0
  56                 fi
  57                 if [ -e "/var/ipfire/red/active" ]; then
  58                         # connected in time so exit
  59                         echo "0" > /var/ipfire/red/keepconnected
  60                         exit 0
  61                 fi
  62                 if [ -e "/var/ipfire/red/dial-on-demand" ]; then
  63                         # Don't count time when dial-on-demand is not really connected
  64                         if ( ! /sbin/ifconfig | /bin/grep -q addr:10.64.64.64 ); then
  65                                 (( COUNT += 5 ))
  66                         fi
  67                 else
  68                         (( COUNT += 5 ))
  69                 fi
  70                 if ( ! /bin/ps ax | /bin/grep -q [p]ppd ); then
  71                         #pppd exit, so don't need to wait MAXCONFIGURE
  72                         break
  73                 fi
  74                 /bin/sleep 5
  75         done
  76         msg "RED fail to connect"
  77         RCREDSTART=`/bin/ps ax | /bin/grep 'red start' | /usr/bin/cut -f1 -d ' '`
  78         if [ "$RCREDSTART" != '' ]; then
  79                 /bin/kill "$RCREDSTART"
  80         fi
  81         # this attempt to connect fail, so retry
  82
  83         #Don't erase keepconnected because it is used to watch user actions
  84         /usr/bin/touch /var/ipfire/red/redial
  85         /etc/rc.d/init.d/network stop red
  86         while ( /bin/ps ax | /bin/grep -q [p]ppd ); do
  87                 msg "waiting pppd exit"
  88                 /bin/sleep 2
  89         done
  90         /bin/sleep $HOLDOFF
  91         if [ ! -e "/var/ipfire/red/keepconnected" ]; then
  92                 # user pressed disconnect in gui
  93                 exit 0
  94         fi
  95         (( ATTEMPTS += 1 ))
  96         msg "Restarting $ATTEMPTS/$MAXRETRIES"
  97         if [ "$ATTEMPTS" -ge "$MAXRETRIES" ]; then
  98                 echo "0" > /var/ipfire/red/keepconnected
  99                 msg "Clearing RED interface"
 100                 /etc/rc.d/init.d/network stop red
 101                 if [ "$BACKUPPROFILE" != '' ]; then
 102                         /bin/rm -f /var/ipfire/ppp/settings
 103                         /bin/cp "/var/ipfire/ppp/settings-$BACKUPPROFILE" /var/ipfire/ppp/settings
 104                 fi
 105         else
 106                 echo $ATTEMPTS > /var/ipfire/red/keepconnected
 107         fi
 108         /etc/rc.d/init.d/network start red
 109         ;;
 110   reconnect)
 111         while ( /bin/ps ax | /bin/grep -q [p]ppd ); do
 112                 /bin/sleep 2
 113         done
 114         msg "will connect again"
 115         /etc/rc.d/init.d/network start red
 116         ;;
 117   *)
 118         /bin/echo "Usage: $0 {start|reconnect}"
 119         exit 1
 120         ;;
 121 esac