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Screen.pm
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Screen.pm
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package FusionInventory::Agent::Task::Inventory::Input::Generic::Screen;
use strict;
use warnings;
use English qw(-no_match_vars);
use MIME::Base64;
use UNIVERSAL::require;
use File::Find;
use FusionInventory::Agent::Tools;
use FusionInventory::Agent::Tools::Screen;
sub isEnabled {
return
$OSNAME eq 'MSWin32' ||
-d '/sys' ||
canRun('monitor-get-edid-using-vbe') ||
canRun('monitor-get-edid') ||
canRun('get-edid');
}
sub doInventory {
my (%params) = @_;
my $inventory = $params{inventory};
my $logger = $params{logger};
foreach my $screen (_getScreens($logger)) {
if ($screen->{edid}) {
my $edid = parseEdid($screen->{edid});
if (my $err = checkParsedEdid($edid)) {
$logger->debug("check failed: bad edid: $err");
} else {
$screen->{CAPTION} =
$edid->{monitor_name};
$screen->{DESCRIPTION} =
$edid->{week} . "/" . $edid->{year};
$screen->{MANUFACTURER} =
getManufacturerFromCode($edid->{manufacturer_name});
$screen->{SERIAL} = $edid->{serial_number2}->[0];
}
$screen->{BASE64} = encode_base64($screen->{edid});
}
delete $screen->{edid};
$inventory->addEntry(
section => 'MONITORS',
entry => $screen
);
}
}
sub _getScreensFromWindows {
my ($logger) = @_;
FusionInventory::Agent::Tools::Win32->use();
if ($EVAL_ERROR) {
print
"Failed to load FusionInventory::Agent::Tools::Win32: $EVAL_ERROR";
return;
}
my @screens;
# Vista and upper, able to get the second screen
foreach my $object (getWmiObjects(
moniker => 'winmgmts:{impersonationLevel=impersonate,authenticationLevel=Pkt}!//./root/wmi',
class => 'WMIMonitorID',
properties => [ qw/InstanceName/ ]
)) {
next unless $object->{InstanceName};
$object->{InstanceName} =~ s/_\d+//;
push @screens, {
id => $object->{InstanceName}
};
}
# The generic Win32_DesktopMonitor class, the second screen will be missing
foreach my $object (getWmiObjects(
class => 'Win32_DesktopMonitor',
properties => [ qw/
Caption MonitorManufacturer MonitorType PNPDeviceID
/ ]
)) {
next unless $object->{Availability};
next unless $object->{PNPDeviceID};
next unless $object->{Availability} == 3;
push @screens, {
id => $object->{PNPDeviceID},
NAME => $object->{Caption},
TYPE => $object->{MonitorType},
MANUFACTURER => $object->{MonitorManufacturer},
CAPTION => $object->{Caption}
};
}
foreach my $screen (@screens) {
next unless $screen->{id};
$screen->{edid} = getRegistryValue(
path => "HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Enum/$screen->{id}/Device Parameters/EDID",
logger => $logger
) || '';
$screen->{edid} =~ s/^\s+$//;
delete $screen->{id};
}
return @screens;
}
sub _getScreensFromUnix {
my @screens;
if (-d '/sys') {
my $wanted = sub {
return unless $File::Find::name =~ m{(/edid)$};
open my $t, "<$File::Find::name";
my $edid = <$t>;
close $t;
push @screens, { edid => $edid } if $edid;
};
File::Find::find($wanted, '/sys');
}
return @screens if @screens;
my $edid =
getFirstLine(command => 'monitor-get-edid-using-vbe') ||
getFirstLine(command => 'monitor-get-edid');
push @screens, { edid => $edid };
return @screens if @screens;
foreach (1..5) { # Sometime get-edid return an empty string...
$edid = getFirstLine(command => 'get-edid');
if ($edid) {
push @screens, { edid => $edid };
last;
}
}
return @screens;
}
sub _getScreens {
my ($logger) = @_;
return $OSNAME eq 'MSWin32' ?
_getScreensFromWindows($logger) : _getScreensFromUnix($logger);
}
1;