# 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

# An InstallGuide for installing the initialization script
# For IBM RS/6000 systems running AIX 4.x
#

sub rc {
my($rcfile,$initfile, $method,$line,$method,%Method);

# Defaults
$rcfile   = "/etc/rc.afs";
$initfile = "/etc/inittab";

&ErrorsAreFatal(1);

# Add AFS kernel loader to RC file
&VPrint("Creating $rcfile file");
&DisplaceFile($rcfile);
$rc = open(RC, "> $rcfile");
&ErrorMsg("Could not overwrite", $rcfile) if (!$rc);


$method = "none";
if ($Configuration{"NFSEXTENSIONS"}) {
  $method = "nfs";
  # Determine if this AIX system uses the iauth system
  #   AIX 4.1.x  for x>=5
  #   AIX 4.2.x  for x>=1
  #   AIX 4.x    for x>=3
  open(LPP, "/bin/lslpp -L |");
  while ($line = <LPP>) {
    next unless ($line =~ /bos.rte\s/);
    $line =~ /bos.rte\s+(\d)\.(\d)\.(\d)/;
    ($a,$b,$c) = ($1,$2,$3);
    $method = "iauth" if ($a == 4 && $b == 1 && $c >= 5); 
    $method = "iauth" if ($a == 4 && $b == 2 && $c >= 1); 
    $method = "iauth" if ($a == 4 && $b >= 3);
    last; };
  close(LPP); };

$Method{"none"}  = "#USENFS=\"none\"";
$Method{"nfs"}   = "#USENFS=\"nfs\"";
$Method{"iauth"} = "#USENFS=\"iauth\"";
$Method{$method} =~ s:#::;

print RC <<"EORC";
#!/bin/sh


# Choose one depending on how much usage this client gets
#OPTIONS="-stat 300 -dcache 100 -daemons 2 -volumes 50"
#OPTIONS="-stat 2000 -dcache 800 -daemons 3 -volumes 70"
OPTIONS="-stat 2800 -dcache 2400 -daemons 5 -volumes 128"

# Choose one depending on how you want NFS requests handled by AFS
$Method{"none"}
$Method{"nfs"}
$Method{"iauth"}

if [ "\$USENFS" = "nfs" ]; then
  ExportExt=""
  AFSExt=".trans"
  NFS="-rmtsys"
elif [ "\$USENFS" = "iauth" ]; then
  ExportExt=".nonfs"
  AFSExt=".iauth"
  NFS="-rmtsys"
else
  ExportExt=".nonfs"
  AFSExt=""
  NFS=""
fi

# Load AFS into the kernel
cd /usr/vice/etc/dkload
/usr/vice/etc/dkload/cfgexport -a /usr/vice/etc/dkload/export.ext\${ExportExt}
/usr/vice/etc/dkload/cfgafs -a /usr/vice/etc/dkload/afs.ext\${AFSExt}

# Start bosserver
if [ -x /usr/afs/bin/bosserver ]; then
  echo 'Starting bosserver' > /dev/console
  /usr/afs/bin/bosserver &
fi

# Start afsd
/usr/vice/etc/afsd \$OPTIONS \$NFS

# Start AFS inetd services
if [ -f /etc/inetd.afs -a -f /etc/inetd.conf.afs ]; then
    /etc/inetd.afs /etc/inetd.conf.afs
fi

EORC
close(RC);

# Add AFS entry to the inittab file
&VPrint("Adding AFS entry to $initfile");

&Patch::Verbose if ($InstallVerbose);
&Patch::FileOpen($initfile);
$SearchString = <<"xxENDxx";
rcnfs:2:wait:/etc/rc.nfs > /dev/console 2>&1 # Start NFS Daemons
xxENDxx

$NewString = <<"xxENDxx";
rcafs:2:wait:/etc/rc.afs > /dev/console 2>&1 # Start AFS Daemons
xxENDxx

if (!&Patch::Patch($initfile, [[0, "Insert", $SearchString, $NewString]])) {
  &ErrorMsg("Did not succeed with patch", $initfile);
}
&Chmod (0755, $rcfile);
&Chown (0,0, $rcfile);
}