#!/bin/sh
# Copyright 2000, International Business Machines Corporation and others.
# All Rights Reserved.
# 
# This software has been released under the terms of the IBM Public
# License.  For details, see the LICENSE file in the top-level source
# directory or online at http://www.openafs.org/dl/license10.html
#
# Portions Copyright (c) 2003 Apple Computer, Inc.
#
# Updated to match standard service scripts
# Phil Holland <hollandp@umich.edu> 6/11/04

PRECACHE="$AFS_PRECACHE"

. /etc/rc.common

#
# Variable Definition Section
#
CheckForNetwork

VICEETC=/usr/vice/etc
AFSD=$VICEETC/afsd
if [ -r /var/db/openafs ]; then
    VICEETC=/var/db/openafs/etc
    AFSD=/usr/sbin/afsd
    if [ -x /opt/openafs/sbin/afsd ] ; then
	AFSD=/opt/openafs/sbin/afsd
    fi
fi

CONFIG=$VICEETC/config
AFSDOPT=$CONFIG/afsd.options
PACKAGE=$CONFIG/package.options

LARGE="-stat 2800 -dcache 2400 -daemons 5 -volumes 128"
MEDIUM="-stat 2000 -dcache 800 -daemons 3 -volumes 70"
SMALL="-stat 300 -dcache 100 -daemons 2 -volumes 50"

if [ -x /usr/sbin/kextstat ]; then KMODSTAT=/usr/sbin/kextstat; fi
if [ -x /usr/sbin/kmodstat ]; then KMODSTAT=/usr/sbin/kmodstat; fi

if [ -f $CONFIG/afs.conf ]; then
    . $CONFIG/afs.conf
fi

# Check this file second so that if users have altered the file, it will
# override the default options
if [ -f $AFSDOPT ]; then
    OPTIONS=`cat $AFSDOPT`
fi

StartService()
{
    echo "Starting OpenAFS"

    if [ -z "$OPTIONS" ] || [ "$OPTIONS" = "AUTOMATIC" ] ; then
	AFSD_OPTIONS="$VERBOSE"
    else
	AFSD_OPTIONS="$OPTIONS $VERBOSE"
    fi

    if [ "${NETWORKUP}" = "-NO-" ]; then
        echo $AFSD_OPTIONS | grep -e '-dynroot' || exit
    fi

# Need the commands ps, awk, kill, sleep
    PATH=${PATH}${PATH:+:}/sbin:/bin:/usr/bin

    if [ -d $VICEETC/afs.kext ]; then
	echo "Loading AFS kernel extensions"
	kextload $VICEETC/afs.kext
    else
	echo "$VICEETC/afs.kext does not exist. Skipping AFS startup."
	exit 1
    fi

    if $KMODSTAT | perl -e 'exit not grep /openafs/, <>' ; then
	:
    else
	echo  "AFS kernel extensions failed to initialize. Skipping AFS startup."
	exit 1
    fi

#
# Start the AFS server processes if a bosserver exists
#

    if [ -x /usr/afs/bin/bosserver -a -f /usr/afs/local/BosConfig ]; then
	echo "Starting AFS Server processes"
	/usr/afs/bin/bosserver
	AFSD_OPTIONS="$AFSD_OPTIONS -nosettime"
	sleep 30
    fi

#
# Check that all of the client configuration files exist
#

    for file in $AFSD $VICEETC/cacheinfo \
	$VICEETC/ThisCell $VICEETC/CellServDB
      do
      if [ ! -f ${file} ]; then
	  echo "${file} does not exist. Not starting AFS client."
	  exit 1
      fi
    done

#
# Check that the root directory for AFS (/afs) 
# and the cache directory (/usr/vice/cache) both exist
#

    for dir in `awk -F: '{print $1, $2}' $VICEETC/cacheinfo`
      do
      if [ ! -d ${dir} ]; then
	  echo "${dir} does not exist. Not starting AFS client."
	  exit 2
      fi
    done

    echo "Starting afsd"
    $AFSD $AFSD_OPTIONS

#
# From /var/db/openafs/etc/config/afs.conf, call a post-init function or
# command if it's been defined
#
    $AFS_POST_INIT

#
# Call afssettings (if it exists) to set customizable parameters
#
    if [ -x $CONFIG/afssettings ]; then
	sleep 2
	$CONFIG/afssettings
    fi

#
# From /var/db/openafs/etc/config/afs.conf, set a sysname list if one was
# configured.
#
    if [ -n "$AFS_SYSNAME" ] ; then
	fs sysname $AFS_SYSNAME
    fi

    if [ ! -z "$PRECACHE" ] ; then
	fs precache $AFS_PRECACHE
    fi

#
# Run package to update the disk
#
    if [ -f /usr/afsws/etc/package -a -f $PACKAGE ]; then
	/usr/afsws/etc/package -v -o `cat $PACKAGE` > /dev/console 2>&1
	case $? in
	    0)
                (echo "Package completed successfully") > /dev/console 2>&1
                date > /dev/console 2>&1
	    ;;
	    4)
	        (echo "Rebooting to restart system") > /dev/console 2>&1
		sync
		/sbin/reboot
	    ;;
	    *)
	        (echo "Package update failed; continuing") > /dev/console 2>&1
	    ;;
	esac
     fi

#
# Start AFS inetd services
# (See the AFS Command Ref. for notes on the proper configuration of inetd.afs)
#
     if [ -f /usr/sbin/inetd.afs -a -f /etc/inetd.conf.afs ]; then
	 /usr/sbin/inetd.afs /etc/inetd.conf.afs
     fi
}

StopService()
{
    echo "Stopping AFS"

#
# If a pre-shutdown function was defined in /var/db/openafs/etc/config/afs.conf
# was defined, then run it
#
    $AFS_PRE_SHUTDOWN

    if $KMODSTAT | perl -e 'exit not grep /openafs/, <>' ; then
	echo "Unmounting /afs"
	umount -f /afs 2>&1 > /dev/console

	echo "Shutting down afsd processes"
	$AFSD -shutdown 2>&1 > /dev/console

	echo "Unloading AFS kernel extensions"
	kextunload $VICEETC/afs.kext 2>&1 > /dev/console
    fi

    if [ -x /usr/afs/bin/bosserver -a -f /usr/afs/local/BosConfig ]; then
	echo "Stopping AFS Server processes"
	/usr/afs/bin/bos shutdown localhost -local
	killall bosserver
    fi
}

RestartService()
{
    StopService
    StartService
}

RunService "${1:-start}"