#!/usr/bin/perl
eval 'exec /usr/bin/perl -S $0 ${1+"$@"}'
    if $running_under_some_shell;
            # this emulates #! processing on NIH machines.
            # (remove #! line above if indigestible)


use strict;
use English;
use Socket;
use LPRng;
use Getopt::Std;

my(
	$Printer, $Pc_value, $Debug, %Args, $pr, $remote, $port, $option,
	$options, $SOCK, $line, $prefix, $firstpart, $count, $max,
);

$| = 1;

$Debug = 0;
Set_Debug($Debug);

getopts( "P:svl", \%Args);
Setup_LPRng( %Args );


# get the printer name
$Printer = Get_printer_name( %Args );
if( not $Printer ){
	die "missing printer name";
}

print "Printer '$Printer'\n" if $Debug;

$Pc_value = Setup_pc_entry( $Printer );

($pr, $remote, $port ) = Get_remote_pr_host( $Printer, $Pc_value );
print "pr '$pr', remote '$remote', port '$port'\n" if $Debug;

$option = 4;
$option = 3 if( $Args{'s'} );
$option = 8 if( $Args{'v'} );

$max = 0;
$max += $Args{'l'} if $Args{'l'};
if( $max > 4 ){
	$max = 0;
} else {
	$max = (1 << $max );
}

print "max $max\n" if $Debug;

$SOCK = getconnection( $remote, $port );

$options =  join (" ", @ARGV);
printf $SOCK "%c%s%s\n", $option, $pr, $options ? (" " . $options) : "";
$prefix = "";

while ( defined( $line = <$SOCK> ) ) { 
	if( $max ){
		($firstpart) = split( ":", $line );
		print "firstpart '$firstpart', count $count\n" if $Debug;
		$firstpart ||= "";
		if( $prefix eq $firstpart ){
			if( ++$count >= $max ){
				next;
			}
		} else {
			$count = 0;
			$prefix = $firstpart;
		}
	}
	print $line; 
} 
close ($SOCK) or die "close: $!"; 
exit 0;