src/rc.d/rc.connectioncheck

   1 #!/bin/bash
   2 #
   3 # $Id: rc.connectioncheck,v 1.4.2.22 2005/07/07 20:11:58 franck78 Exp $
   4 #
   5
   6 eval $(/usr/local/bin/readhash CONFIG_ROOT/ppp/settings)
   7
   8 # MAXRETRIES is now a count before rc.red clear and if reconnection fail, eventually switching to a backup profil
   9 MAXCONFIGURE=160
  10 if [ ! $HOLDOFF ]; then
  11         HOLDOFF=30
  12 fi
  13
  14 # Debugging. Comment it out to stop logging
  15 DEBUG="yes"
  16 msg() {
  17         if [ "z$DEBUG" != "z" ] ; then
  18                 /usr/bin/logger -t red "Connectioncheck: $*"
  19         fi
  20         /bin/echo "$*"
  21 }
  22
  23 if [ -s "CONFIG_ROOT/red/keepconnected" ]; then
  24         ATTEMPTS=$(/bin/cat CONFIG_ROOT/red/keepconnected)
  25 else
  26         echo "0" > CONFIG_ROOT/red/keepconnected
  27 fi
  28
  29 case "$1" in
  30   start)
  31         # waiting pppd start or sync timout set at 90 s when available in driver
  32         #rc.eciadsl/eci-load2 timout after 60s and 5 eci-load2 maximum attempts are done in rc.eciadsl.
  33         #So just wait 5 s after 'rc.red start' end where pppd should have been started
  34         TIMETOSTART=0
  35         while ( ! /bin/ps ax | /bin/grep -q [p]ppd ); do
  36                 if [ ! -e "CONFIG_ROOT/red/keepconnected" ]; then
  37                         # user pressed disconnect in gui
  38                         exit 0
  39                 fi
  40                 RCREDSTART=`/bin/ps ax | /bin/grep '[r]c.red start'`
  41                 if [ "$TIMETOSTART" -eq 1 ]; then
  42                         msg "fail before pppd start : no sync, trying again"
  43                         /etc/rc.d/rc.red stop
  44                         /etc/rc.d/rc.red clear
  45                         /etc/rc.d/rc.red start
  46                         exit
  47                 fi
  48                 # give 5 s more at pppd to be visible  with ps ax after 'rc.red start' end
  49                 if [ "$RCREDSTART" = '' ]; then
  50                         TIMETOSTART=1
  51                 fi
  52                 /bin/sleep 5
  53         done
  54
  55         #watching if an IP is received in $MAXCONFIGURE time to avoid some pppoa waiting forever even after LCP timeout
  56         COUNT=0
  57         while [ "$COUNT" -le "$MAXCONFIGURE" ]; do
  58                 if [ ! -e "CONFIG_ROOT/red/keepconnected" ]; then
  59                         # user pressed disconnect in gui
  60                         exit 0
  61                 fi
  62                 if [ -e "CONFIG_ROOT/red/active" ]; then
  63                         # connected in time so exit
  64                         echo "0" > CONFIG_ROOT/red/keepconnected
  65                         exit 0
  66                 fi
  67                 if [ -e "CONFIG_ROOT/red/dial-on-demand" ]; then
  68                         # Don't count time when dial-on-demand is not really connected
  69                         if ( ! /sbin/ifconfig | /bin/grep -q addr:10.64.64.64 ); then
  70                                 (( COUNT += 5 ))
  71                         fi
  72                 else
  73                         (( COUNT += 5 ))
  74                 fi
  75                 if ( ! /bin/ps ax | /bin/grep -q [p]ppd ); then
  76                         #pppd exit, so don't need to wait MAXCONFIGURE
  77                         break
  78                 fi
  79                 /bin/sleep 5
  80         done
  81         msg "RED fail to connect"
  82         RCREDSTART=`/bin/ps ax | /bin/grep '[r]c.red start' | /usr/bin/cut -f1 -d ' '`
  83         if [ "$RCREDSTART" != '' ]; then
  84                 /bin/kill "$RCREDSTART"
  85         fi
  86         # this attempt to connect fail, so retry
  87
  88         #Don't erase keepconnected because it is used to watch user actions
  89         /bin/touch CONFIG_ROOT/red/redial
  90         /etc/rc.d/rc.red stop
  91         while ( /bin/ps ax | /bin/grep -q [p]ppd ); do
  92                 msg "waiting pppd exit"
  93                 /bin/sleep 2
  94         done
  95         /bin/sleep $HOLDOFF
  96         if [ ! -e "CONFIG_ROOT/red/keepconnected" ]; then
  97                 # user pressed disconnect in gui
  98                 exit 0
  99         fi
 100         (( ATTEMPTS += 1 ))
 101         msg "Restarting $ATTEMPTS/$MAXRETRIES"
 102         if [ "$ATTEMPTS" -ge "$MAXRETRIES" ]; then
 103                 echo "0" > CONFIG_ROOT/red/keepconnected
 104                 msg "Clearing RED interface"
 105                 /etc/rc.d/rc.red clear
 106                 if [ "$BACKUPPROFILE" != '' ]; then
 107                         /bin/rm -f CONFIG_ROOT/ppp/settings
 108                         /bin/cp "CONFIG_ROOT/ppp/settings-$BACKUPPROFILE" CONFIG_ROOT/ppp/settings
 109                 fi
 110         else
 111                 echo $ATTEMPTS > CONFIG_ROOT/red/keepconnected
 112         fi
 113         /etc/rc.d/rc.red start
 114         ;;
 115   reconnect)
 116         while ( /bin/ps ax | /bin/grep -q [p]ppd ); do
 117                 /bin/sleep 2
 118         done
 119         if [ "$PROTOCOL" = RFC1483 ]; then
 120                 # remove bridged/routed user-space programs
 121                 if [ "$TYPE" = eciadsl ]; then
 122                         /etc/rc.d/rc.eciadsl stop
 123                 fi
 124                 if [ "$TYPE" = alcatelusb ]; then
 125                         /etc/rc.d/rc.alcatelusb stop
 126                 fi
 127         fi
 128         msg "will connect again"
 129         /etc/rc.d/rc.red start
 130         ;;
 131   *)
 132         /bin/echo "Usage: $0 {start|reconnect}"
 133         exit 1
 134         ;;
 135 esac