#!/usr/bin/perl -w
#
# ecaccess-file-chmod: Change ECaccess File Mode Bits
#
# Laurent.Gougeon@ecmwf.int - 2010-10-15

use ECMWF::ECaccess;
use Getopt::Long;
use Pod::Usage;

my %opt = ( version => 0, help => 0, manual => 0, debug => 0 );

pod2usage( -noperldoc => 1, -exit => 1, verbose => 1 ) if !GetOptions(
	\%opt,
	qw(
	  version
	  help|?
	  manual
	  debug
	  )
);

# Display version if requested
die ECMWF::ECaccess->VERSION . "\n" if ( $opt{version} );

my $mode         = $ARGV[0];
my $ecaccessFile = $ARGV[1];

pod2usage( -noperldoc => 1, -exit => 1, verbose => 1 ) if ( $opt{help} );
pod2usage( -noperldoc => 1, -exit => 1, verbose => 2 ) if ( $opt{manual} );
pod2usage( -noperldoc => 1, -exit => 1, verbose => 0, -msg => "No mode specified!\n" )          if not($mode);
pod2usage( -noperldoc => 1, -exit => 1, verbose => 0, -msg => "No ecaccess-file specified!\n" ) if not($ecaccessFile);

# Create the ECaccess Controler
my $ecaccess = ECMWF::ECaccess->new();
$ecaccess->setDebug( $opt{debug} );

# Get the Token (using the Certificate in $HOME)
my $token = $ecaccess->getToken();

# Get the Control Channel
my $controlChannel = $ecaccess->getControlChannel();

# Trigger the event
$controlChannel->changeFileMode( $token, $mode, $ecaccessFile );

# Logout
$ecaccess->releaseToken($token);

__END__

=head1 NAME

ecaccess-file-chmod - Change ECaccess File Mode Bits

=head1 SYNOPSIS

B<ecaccess-file-chmod -version|-help|-manual>

B<ecaccess-file-chmod [-debug]> I<mode> I<ecaccess-file>

=head1 DESCRIPTION

Allow changing the ECaccess File Mode Bits of the given I<ecaccess-file> according to I<mode>, which is an octal number
representing the bit pattern for the new mode bits.

The I<ecaccess-file> is in the form [domain:][/user-id/]path. Please read the "Shell commands -> File Management" section of
the "ecaccess" guide for more information on the ECaccess File System.

=head1 ARGUMENTS

=over 8

=item I<mode>

Octal number representing the bit pattern for the new mode bits (e.g. 0600).

=item I<ecaccess-file>

The name of the ECaccess File to change the File Mode Bits.

=back

=head1 OPTIONS

=over 8

=item B<-version>

Display version number and exits.

=item B<-help>

Print a brief help message and exits.

=item B<-manual>

Prints the manual page and exits.

=item B<-debug>

Display the SOAP messages exchanged.

=back

=head1 EXAMPLES

B<ecaccess-file-chmod> I<0700> I<ec:bin/a.out>

Change the File Mode Bits to Read and Write for owner and Read for everybody else on a File in the bin directory of the ECFS
directory of the authenticated user.

=head1 SEE ALSO

B<ecaccess-file-delete>, B<ecaccess-file-get>, B<ecaccess-file-mget>, B<ecaccess-file-modtime>, B<ecaccess-file-mput>,
B<ecaccess-file-rmdir>, B<ecaccess-file-copy>, B<ecaccess-file-dir>, B<ecaccess-file-mdelete>, B<ecaccess-file-mkdir>,
B<ecaccess-file-move>, B<ecaccess-file-put>, B<ecaccess-file-size> and B<ecaccess>.

=cut
