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package printer;
#-#####################################################################################
=head1 NAME
printer - supply methods for manage the printer related files directory handles
=head1 SYNOPSIS
use printer;
=head1 DESCRIPTION
Use the source.
=cut
#-#####################################################################################
use diagnostics;
use strict;
#-#####################################################################################
=head2 Exported variable
=cut
#-#####################################################################################
use vars qw(%thedb %thedb_gsdriver %printer_type %printer_type_inv $printer_type_default @papersize_type %fields $spooldir @entries_db_short @entry_db_description %descr_to_db %db_to_descr);
#-#####################################################################################
=head2 Imports
=cut
#-#####################################################################################
use Data::Dumper;
#-#####################################################################################
=head2 pixel imports
=cut
use common qw(:common :system);
use commands;
#-#####################################################################################
#-#####################################################################################
=head2 Examples and types
=over 4
=item *
an entry in the 'printerdb' file, which describes each type of
supported printer:
StartEntry: DeskJet550
GSDriver: cdj550
Description: {HP DeskJet 550C/560C/6xxC series}
About: { \
This driver supports the HP inkjet printers which have \
color capability using both black and color cartridges \
simultaneously. Known to work with the 682C and the 694C. \
Other 600 and 800 series printers may work \
if they have this feature. \
If your printer seems to be saturating the paper with ink, \
try added an extra GS option of '-dDepletion=2'. \
Ghostscript supports several optional parameters for \
this driver: see the document 'devices.doc' \
in the ghostscript directory under /usr/doc. \
}
Resolution: {300} {300} {}
BitsPerPixel: {3} {Normal color printing with color cartridge}
BitsPerPixel: {8} {Floyd-Steinberg B & W printing for better greys}
BitsPerPixel: {24} {Floyd-Steinberg Color printing (best, but slow)}
BitsPerPixel: {32} {Sometimes provides better output than 24}
EndEntry
Example of data-struct:
my %ex_printerdb_entry =
(
ENTRY => "DeskJet550", #-Human-readable name of the entry
GSDRIVER => "cdj550", #-gs driver used by this printer
DESCR => "HP DeskJet 550C/560C/6xxC series", #-Single line description of printer
ABOUT => "
This driver supports the HP inkjet printers which have
color capability using both black and color cartridges
...", #-Lengthy description of printer
RESOLUTION => [ #-List of resolutions supported
{
XDPI => 300,
YDPI => 300,
DESCR => "commentaire",
},
],
BITSPERPIXEL => [ #-List of color depths supported
{
DEPTH => 3,
DESCR => "Normal color printing with color cartridge",
},
],
)
;
=item *
A printcap entry only represents a subset of possible options available
Sufficient for the simple configuration we are interested in
there is also some text in the template (.in) file in the spooldir
# /etc/printcap
#
# Please don't edit this file directly unless you know what you are doing
# Be warned that the control-panel printtool requires a very strict forma
# Look at the printcap(5) man page for more info.
#
# This file can be edited with the printtool in the control-panel.
##PRINTTOOL3## LOCAL uniprint NAxNA letter {} U_NECPrinwriter2X necp2x6 1
lpname:\
:sd=/var/spool/lpd/lpnamespool:\
:mx#45:\
:sh:\
:lp=/dev/device:\
:if=/var/spool/lpd/lpnamespool/filter:
##PRINTTOOL3## REMOTE st800 360x180 a4 {} EpsonStylus800 Default 1
remote:\
:sd=/var/spool/lpd/remotespool:\
:mx#47:\
:sh:\
:rm=remotehost:\
:rp=remotequeue:\
:if=/var/spool/lpd/remotespool/filter:
##PRINTTOOL3## SMB la75plus 180x180 letter {} DECLA75P Default {}
smb:\
:sd=/var/spool/lpd/smbspool:\
:mx#46:\
:sh:\
:if=/var/spool/lpd/smbspool/filter:\
:af=/var/spool/lpd/smbspool/acct:\
:lp=/dev/null:
##PRINTTOOL3## NCP ap3250 180x180 letter {} EpsonAP3250 Default {}
ncp:\
:sd=/var/spool/lpd/ncpspool:\
:mx#46:\
:sh:\
:if=/var/spool/lpd/ncpspool/filter:\
:af=/var/spool/lpd/ncpspool/acct:\
:lp=/dev/null:
Example of data-struct:
my %ex_printcap_entry =
(
QUEUE => "lpname", #-Queue name, can have multi separated by '|'
#-if you want something different from the default
SPOOLDIR => "/var/spool/lpd/lpnamespool/", #-Spool directory
IF => "/var/spool/lpd/lpnamespool/filter", #-input filter
#- commentaire inserer dans le printcap pour que printtool retrouve ses petits
DBENTRY => "DeskJet670", #-entry in printer database for this printer
RESOLUTION => "NAxNA", #-ghostscript resolution to use
PAPERSIZE => "letter", #-Papersize
BITSPERPIXEL => "necp2x6", #-ghostscript color option
CRLF => 1 , #-Whether or not to do CR/LF xlation
TYPE => "LOCAL",
#- LOCAL
DEVICE => "/dev/device", #-Print device
#- REMOTE (lpd) printers only
REMOTEHOST => "remotehost", #-Remote host (not used for all entries)
REMOTEQUEUE => "remotequeue", #-Queue on the remote machine
#-SMB (LAN Manager) only
#- in spooldir/.config
#-share='\\hostname\printername'
#-hostip=1.2.3.4
#-user='user'
#-password='passowrd'
#-workgroup='AS3'
SMBHOST => "hostname", #-Server name (NMB name, can have spaces)
SMBHOSTIP => "1.2.3.4", #-Can optional specify and IP address for host
SMBSHARE => "printername", #-Name of share on the SMB server
SMBUSER => "user", #-User to log in as on SMB server
SMBPASSWD => "passowrd", #-Corresponding password
SMBWORKGROUP => "AS3", #-SMB workgroup name
AF => "/var/spool/lpd/smbspool/acct", #-accounting filter (needed for smbprint)
#- NCP (NetWare) only
#- in spooldir/.config
#-server=printerservername
#-queue=queuename
#-user=user
#-password=pass
NCPHOST => "printerservername", #-Server name (NCP name)
NCPQUEUE => "queuename", #-Queue on server
NCPUSER => "user", #-User to log in as on NCP server
NCPPASSWD => "pass", #-Corresponding password
)
;
=cut
#-#####################################################################################
=head2 Intern constant
=cut
#-#####################################################################################
#-if we are in an DrakX config
my $prefix = "";
#-location of the printer database in an installed system
my $PRINTER_DB_FILE = "/usr/lib/rhs/rhs-printfilters/printerdb";
my $PRINTER_FILTER_DIR = "/usr/lib/rhs/rhs-printfilters";
#-#####################################################################################
=head2 Exported constant
=cut
#-#####################################################################################
%printer_type = (
__("Local printer") => "LOCAL",
__("Remote lpd") => "REMOTE",
__("SMB/Windows 95/98/NT") => "SMB",
__("NetWare") => "NCP",
);
%printer_type_inv = reverse %printer_type;
$printer_type_default = "Local printer";
%fields = (
STANDARD => [qw(QUEUE SPOOLDIR IF)],
SPEC => [qw(DBENTRY RESOLUTION PAPERSIZE BITSPERPIXEL CRLF)],
LOCAL => [qw(DEVICE)],
REMOTE => [qw(REMOTEHOST REMOTEQUEUE)],
SMB => [qw(SMBHOST SMBHOSTIP SMBSHARE SMBUSER SMBPASSWD SMBWORKGROUP AF)],
NCP => [qw(NCPHOST NCPQUEUE NCPUSER NCPPASSWD)],
);
@papersize_type = qw(letter legal ledger a3 a4);
$spooldir = "/var/spool/lpd";
#-#####################################################################################
=head2 Functions
=cut
#-#####################################################################################
sub set_prefix($) { $prefix = $_[0]; }
#-*****************************************************************************
#- read function
#-*****************************************************************************
#------------------------------------------------------------------------------
#- Read the printer database from dbpath into memory
#------------------------------------------------------------------------------
sub read_printer_db(;$) {
my $dbpath = $prefix . ($_[0] || $PRINTER_DB_FILE);
%thedb and return;
local $_; #- use of while (<...
local *DBPATH; #- don't have to do close ... and don't modify globals at least
open DBPATH, $dbpath or die "An error has occurred on $dbpath : $!";
while (<DBPATH>) {
if (/^StartEntry:\s(\w*)/) {
my $entryname = $1;
my $entry;
$entry->{ENTRY} = $entryname;
WHILE :
while (<DBPATH>) {
SWITCH: {
/GSDriver:\s*(\w*)/ and do { $entry->{GSDRIVER} = $1; last SWITCH };
/Description:\s*{(.*)}/ and do { $entry->{DESCR} = $1; last SWITCH };
/About:\s*{(.*)}/ and do { $entry->{ABOUT} = $1; last SWITCH };
/About:\s*{(.*)/
and do
{
my $string = "$1\n";
while (<DBPATH>) {
/(.*)}/ and do { $entry->{ABOUT} = $string; last SWITCH };
$string .= $_;
}
};
/Resolution:\s*{(.*)}\s*{(.*)}\s*{(.*)}/
and do { push @{$entry->{RESOLUTION}}, { XDPI => $1, YDPI => $2, DESCR => $3 }; last SWITCH };
/BitsPerPixel:\s*{(.*)}\s*{(.*)}/
and do { push @{$entry->{BITSPERPIXEL}}, {DEPTH => $1, DESCR => $2}; last SWITCH };
/EndEntry/ and last WHILE;
}
}
$thedb{$entryname} = $entry;
$thedb_gsdriver{$entry->{GSDRIVER}} = $entry;
}
}
@entries_db_short = sort keys %printer::thedb;
@entry_db_description = map { $printer::thedb{$_}{DESCR} } @entries_db_short;
%descr_to_db = map { $printer::thedb{$_}{DESCR}, $_ } @entries_db_short;
%db_to_descr = reverse %descr_to_db;
}
#-******************************************************************************
#- write functions
#-******************************************************************************
#------------------------------------------------------------------------------
#- given the path queue_path, we create all the required spool directory
#------------------------------------------------------------------------------
sub create_spool_dir($) {
my ($queue_path) = @_;
my $complete_path = "$prefix/$queue_path";
unless (-d $complete_path) {
mkdir "$complete_path", 0755
or die "An error has occurred - can't create $complete_path : $!";
}
|
