#!/bin/bash

# Copyright 2002 Compaq Information Technologies Group, L.P.
#
# init file for SCSI agent
#
# processname: cmascsid

PKGBIN=/opt/compaq/storage/bin
LOGFILE=/var/spool/compaq/cma.log
NAME="SCSI agent"
PNAME="cmascsid"
PFLAGS="-p 15 -s OK"

cmaecho () {
  echo "  " $*
  echo "  " $* >>$LOGFILE 2>&1
}

cmaechon () {
  echo -n "  " $*
  echo -n "  " $* >>$LOGFILE 2>&1
}


vendorversion() {
  # $1 contains the ENV for Vendor
  # $2 contains the ENV for Version
  # Return 0 when succeed
  if [ ! -f /etc/redhat-release -a ! -f /etc/UnitedLinux-release -a ! -f /etc/issue ]; then
    echo "Release file does not exist!" 1>&2
    return 1
  fi
  #echo "ARG1=$1"
  #echo "ARG2=$2"
  if [ -z "$1" -o -z "$2" ]; then
     return 2
  fi
  egrep "Red *Hat " /etc/redhat-release >/dev/null 2>&1
  if [ "$?" = 0 ]; then
    eval $1="RedHat"
  else
    egrep "UnitedLinux " /etc/UnitedLinux-release >/dev/null 2>&1
    if [ "$?" = 0 ]; then
      eval $1="UnitedLinux"
    else
      egrep "SuSE " /etc/issue >/dev/null 2>&1
      if [ "$?" = 0 ]; then
        eval $1="SuSE"
      fi
    fi
  fi
  egrep "Red *Hat .*Advanced Server.* 2\.1AS" /etc/redhat-release >/dev/null 2>&1
  if [ "$?" = 0 ]; then
    eval $1="RedHat"
    eval $2="AS2.1"
    return 0
  fi
  egrep "Red *Hat .*Enterprise Linux.* 2\.1" /etc/redhat-release >/dev/null 2>&1
  if [ "$?" = 0 ]; then
    eval $1="RedHat"
    eval $2="EL2.1"
    return 0
  fi
  egrep "Red *Hat .*Enterprise Linux.* 3" /etc/redhat-release >/dev/null 2>&1
  if [ "$?" = 0 ]; then
    eval $1="RedHat"
    eval $2="EL3"
    return 0
  fi
  egrep "Red *Hat .* 9\.0 |Red *Hat .* 8\.0\.[0-9]" /etc/redhat-release >/dev/null 2>&1
  if [ "$?" = 0 ]; then
    eval $1="RedHat"
    eval $2="9.0"
    return 0
  fi
  egrep "Red *Hat .* 8\.0 |Red *Hat .* 7\.3\.[0-9]" /etc/redhat-release >/dev/null 2>&1
  if [ "$?" = 0 ]; then
    eval $1="RedHat"
    eval $2="8.0"
    return 0
  fi
  egrep "Red *Hat .* 7\.3 |Red *Hat .* 7\.2\.[0-9]" /etc/redhat-release >/dev/null 2>&1
  if [ "$?" = 0 ]; then
    eval $1="RedHat"
    eval $2="7.3"
    return 0
  fi
  egrep "Red *Hat .* 7\.2 |Red *Hat .* 7\.1\.[0-9]" /etc/redhat-release >/dev/null 2>&1
  if [ "$?" = 0 ]; then
    eval $1="RedHat"
    eval $2="7.2"
    return 0
  fi
  grep "Red *Hat .* 7\.1 " /etc/redhat-release >/dev/null 2>&1
  if [ "$?" = 0 ]; then
    eval $1="RedHat"
    eval $2="7.1"
    return 0
  fi
  grep "Red *Hat .* 6\.2 " /etc/redhat-release >/dev/null 2>&1
  if [ "$?" = 0 ]; then
    eval $1="RedHat"
    eval $2="6.2"
    return 0
  fi
  grep "SLES-7 " /etc/issue >/dev/null 2>&1
  if [ "$?" = 0 ]; then
    eval $1="SuSE"
    eval $2="SLES-7"
    return 0
  fi
  grep "SLES.8 " /etc/issue >/dev/null 2>&1
  if [ "$?" = 0 ]; then
    eval $1="SuSE"
    eval $2="SLES-8"
    return 0
  fi
  grep "SuSE .* 7\.2 " /etc/issue >/dev/null 2>&1
  if [ "$?" = 0 ]; then
    eval $1="SuSE"
    eval $2="7.2"
    return 0
  fi
  grep "SuSE .* 7\.0 " /etc/issue >/dev/null 2>&1
  if [ "$?" = 0 ]; then
    eval $1="SuSE"
    eval $2="7.0"
    return 0
  fi
  grep "UnitedLinux.* 1\.0" /etc/UnitedLinux-release >/dev/null 2>&1
  if [ "$?" = 0 ]; then
    eval $1="UnitedLinux"
    eval $2="1.0"
    return 0
  fi
  grep "VMware" /etc/issue >/dev/null 2>&1
  if [ "$?" = 0 ]; then
    eval $1="VMware"
    eval $2="2.0"
    return 0
  fi
  return 9
}

# Identify OS Vendor
VENDOR="Unknown"
vendorversion "VENDOR" "VERSION"
if [ "$VENDOR" != "RedHat" -a "$VENDOR" != "SuSE" -a "$VENDOR" != "UnitedLinux" -a "$VENDOR" != "VMware" ]; then
  echo "ERROR: the Linux OS running on your system is not supported!"
  exit 1
fi

case "$VENDOR" in
  RedHat)
        # source function library
        . /etc/rc.d/init.d/functions
        RETVAL=0
        PATH=$PKGBIN:$PATH
        case "$1" in
          start)
        	cmaechon "Starting $NAME ($PNAME): "
                pidlist=`pidof -o $$ $PNAME`
                if [ -z "$pidlist" ]; then
                  $PNAME $PFLAGS >> $LOGFILE 2>&1 &
        	  RETVAL=$?
                else
                  RETVAL=1
                fi
        	cmaecho
        	;;
          stop)
        	cmaechon "Shutting down $NAME ($PNAME): "
        	killproc $PNAME 2>/dev/null
        	RETVAL=$?
        	cmaecho
        	;;
          restart)
                $0 stop
                $0 start
        	RETVAL=$?
                ;;
          status)
                status $PNAME
        	RETVAL=$?
                ;;
          *)
        	cmaecho "Usage: $PNAME {start|stop|restart|status}"
        	exit 1
        esac

        exit $RETVAL
        ;;
  VMware)
        # source function library
        . /etc/rc.d/init.d/functions
        RETVAL=0
        PATH=$PKGBIN:$PATH
        case "$1" in
          start)
        	cmaechon "Starting $NAME ($PNAME): "
                pidlist=`pidof -o $$ $PNAME`
                if [ -z "$pidlist" ]; then
                  $PNAME $PFLAGS >> $LOGFILE 2>&1 &
        	  RETVAL=$?
                else
                  RETVAL=1
                fi
        	cmaecho
        	;;
          stop)
        	cmaechon "Shutting down $NAME ($PNAME): "
        	killproc $PNAME 2>/dev/null
        	RETVAL=$?
        	cmaecho
        	;;
          restart)
                $0 stop
                $0 start
        	RETVAL=$?
                ;;
          status)
                status $PNAME
        	RETVAL=$?
                ;;
          *)
        	cmaecho "Usage: $PNAME {start|stop|restart|status}"
        	exit 1
        esac

        exit $RETVAL
        ;;
  SuSE|UnitedLinux)
        [ -f /etc/rc.config ] && . /etc/rc.config
        RETVAL=0
        PATH=$PKGBIN:$PATH
        case "$1" in
          start)
        	cmaechon "Starting $NAME ($PNAME): "
                pidlist=`pidof -o $$ $PNAME`
                if [ -z "$pidlist" ]; then
                  $PNAME $PFLAGS >> $LOGFILE 2>&1 &
        	  RETVAL=$?
                else
                  RETVAL=1
                fi
        	cmaecho
        	;;
          stop)
        	cmaechon "Shutting down $NAME ($PNAME): "
        	killproc $PKGBIN/$PNAME 2>/dev/null
        	RETVAL=$?
        	cmaecho
        	;;
          restart)
                $0 stop
                $0 start
        	RETVAL=$?
                ;;
          status)
                echo -n "Checking for $PNAME: "
                /sbin/checkproc $PKGBIN/$PNAME && echo OK || echo No process
        	RETVAL=$?
                ;;
          *)
        	cmaecho "Usage: $PNAME {start|stop|restart|status}"
        	exit 1
        esac

        exit $RETVAL
        ;;
     *)
        cmaecho "ERROR: Can't identify Linux OS Vendor $VENDOR"
        exit 1
esac
