###############################################################################
## OCSINVENTORY-NG
## Copyleft Guillaume PROTET 2010
## Web : http://www.ocsinventory-ng.org
##
## This code is open source and may be copied and modified as long as the source
## code is always made freely available.
## Please refer to the General Public Licence http://www.gnu.org/ or Licence.txt
################################################################################

package Ocsinventory::Agent::Common;

use strict;
no strict 'refs';
use warnings;

use Encode qw(encode);

=head1 NAME

Ocsinventory::Agent::Common - give common methods to other modules

=over

=item addController()

Add a controller in the inventory.

=item addUsb()

Add external usb devices in the inventory.

=item addInput()

Add internal inputs as keyboard, mouse in the inventory.

=item addModem()

Add a modem in the inventory.

=item addDrive()

Add a partition in the inventory.

=item addStorages()

Add a storage system (hard drive, USB key, SAN volume, etc) in the inventory.

=item addMemory()

Add a memory module in the inventory.

=item addPort()

Add a port module in the inventory.

=item addSlot()

Add a slot in the inventory.

=item addSoftware()

Register a software in the inventory.

=item addMonitor()

Add a monitor (screen) in the inventory.

=item addVideo()

Add a video card in the inventory.

=item addSound()

Add a sound card in the inventory.

=item addNetwork()

Register a network in the inventory.

=item addRepo()

Register a repository in the inventory.

=item setHardware()

Save global information regarding the machine.

The use of setHardware() to update USERID and PROCESSOR* information is
deprecated, please, use addUser() and addCPU() instead.

=item setBios()

Set BIOS information.

=item addCPU()

Add a CPU in the inventory.

=item addUser()

Add an user in the list of logged user.

=item addLocalUser()

Add local users in the inventory.

=item addLocalGroup()

Add local groups in the inventory.

=item addPrinter()

Add a printer in the inventory.

=item addVirtualMachine()

Add a Virtual Machine in the inventory.

=item addProcess()

Record a running process in the inventory.

=item addCamera()

Add a camera device in the inventory. Only avalaible for MacOSX

=item addIpDiscoverEntry()

IpDiscover is used to identify network interface on the local network. This
is done on the ARP level.

This function adds a network interface in the inventory.

=item setAccessLog()

What is that for? :)

=item flushXMLTags()

Clear the content of $common->{xmltags} (to use after adding it in XML)

=item addBatteries()

Add a memory module in the inventory.

=back
=cut

##################################################################################
#  Ocsinventory::Agent::Common is use to give common methods to other modules   #
##################################################################################

sub new {
    my (undef, $params) = @_;

    my $self = {};

    $self->{logger} = $params->{logger};
    $self->{config} = $params->{config};

    $self->{xmltags} = {};

    bless $self;
}

sub addController {
    my ($self, $args) = @_;
    my $xmltags = $self->{xmltags};

    my $content = {};

    foreach my $key (qw/DESCRIPTION DRIVER NAME MANUFACTURER PCIID PCISLOT TYPE/) {
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key} if $args->{$key};
        }
    }
    push @{$xmltags->{CONTROLLERS}},$content;

}

sub addUsb {
    my ($self, $args) = @_;
    my $xmltags = $self->{xmltags};

    my $content = {};

    foreach my $key (qw/DESCRIPTION INTERFACE MANUFACTURER SERIAL TYPE/) {
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key} if $args->{$key};
        }
    }
    push @{$xmltags->{USBDEVICES}},$content;

}

sub addInput {
    my ($self, $args) = @_;
    my $xmltags = $self->{xmltags};

    my $content = {};

    foreach my $key (qw/DESCRIPTION INTERFACE MANUFACTURER CAPTION POINTTYPE TYPE/) {
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key} if $args->{$key};
        }
    }
    push @{$xmltags->{INPUTS}},$content;

}

sub addModem {
    my ($self, $args) = @_;
    my $xmltags = $self->{xmltags};

    my $content = {};

    foreach my $key (qw/DESCRIPTION NAME/) {
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key} if $args->{$key};
        }
    }

    push @{$xmltags->{MODEMS}}, $content;

}

# For compatibility
sub addModems {
    my $self = shift;
    my $logger = $self->{logger};

    $logger->debug("please rename addModems to addModem()");
    $self->addModem(@_);
}

sub addDrive {
    my ($self, $args) = @_;
    my $xmltags = $self->{xmltags};

    my $content = {};

    foreach my $key (qw/CREATEDATE FREE FILESYSTEM LABEL SERIAL TOTAL TYPE VOLUMN/) {
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key} if $args->{$key};
        }
    }

    push @{$xmltags->{DRIVES}}, $content;

}

# For compatibility
sub addDrives {
    my $self = shift;
    my $logger = $self->{logger};

    $logger->debug("please rename addDrives to addDrive()");
    $self->addDrive(@_);
}

sub addStorages {
    my ($self, $args) = @_;
    my $xmltags = $self->{xmltags};

    my $content = {};

    foreach my $key (qw/DESCRIPTION DISKSIZE FIRMWARE MANUFACTURER MODEL NAME SERIALNUMBER SCSI_CHID SCSI_COID SCSI_LUN SCSI_UNID TYPE/) {
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key} if $args->{$key};
        }
    }

    push @{$xmltags->{STORAGES}}, $content;
}

# For compatibility
sub addStorage {
    my $self = shift;
    my $logger = $self->{logger};

    $logger->debug("please rename addStorages to addStorage()");
    $self->addStorage(@_);
}


sub addMemory {
    my ($self, $args) = @_;
    my $xmltags = $self->{xmltags};

    my $content = {};

    foreach my $key (qw/CAPACITY CAPTION DESCRIPTION ERRORCORRECTIONTYPE MANUFACTURER NUMSLOTS SERIALNUMBER SPEED TYPE/) {
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key} if $args->{$key};
        }
    }

    push @{$xmltags->{MEMORIES}}, $content;
}

# For compatibility
sub addMemories {
    my $self = shift;
    my $logger = $self->{logger};

    $logger->debug("please rename addMemories to addMemory()");
    $self->addMemory(@_);
}

sub addPorts{
    my ($self, $args) = @_;
    my $xmltags = $self->{xmltags};

    my $content = {};

    foreach my $key (qw/CAPTION DESCRIPTION NAME TYPE/) {
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key} if $args->{$key};
        }
    }

  push @{$xmltags->{PORTS}}, $content;
}

# For compatibility
sub addPort {
    my $self = shift;
    my $logger = $self->{logger};

    $logger->debug("please rename addPorts to addPort()");
    $self->addPort(@_);
}

sub addSlot {
    my ($self, $args) = @_;
    my $xmltags = $self->{xmltags};

    my $content = {};

    foreach my $key (qw/DESCRIPTION DESIGNATION NAME STATUS/) {
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key} if $args->{$key};
        }
    }

    push @{$xmltags->{SLOTS}}, $content;
}

# For compatibility
sub addSlots {
    my $self = shift;
    my $logger = $self->{logger};

    $logger->debug("please rename addSlots to addSlot()");
    $self->addSlot(@_);
}

sub addSoftware {
    my ($self, $args) = @_;
    my $xmltags = $self->{xmltags};

    my $content = {};

    foreach my $key (qw/STATUS ARCHITECTURE COMMENTS FILESIZE FOLDER FROM INSTALLDATE NAME PUBLISHER VERSION/) {
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key} if $args->{$key};
        }
    }

    push @{$xmltags->{SOFTWARES}}, $content;
}

# For compatibility
sub addSoftwares {
    my $self = shift;
    my $logger = $self->{logger};

    $logger->debug("please rename addSoftwares to addSoftware()");
    $self->addSoftware(@_);
}

sub addMonitor {
    my ($self, $args) = @_;
    my $xmltags = $self->{xmltags};

    my $content = {};

    foreach my $key (qw/BASE64 CAPTION DESCRIPTION MANUFACTURER SERIAL UUENCODE/) {
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key} if $args->{$key};
        }
    }

    push @{$xmltags->{MONITORS}}, $content;
}

# For compatibility
sub addMonitors {
    my $self = shift;
    my $logger = $self->{logger};

    $logger->debug("please rename addMonitors to addMonitor()");
    $self->addMonitor(@_);
}

sub addVideo {
    my ($self, $args) = @_;
    my $xmltags = $self->{xmltags};

    my $content = {};

    foreach my $key (qw/CHIPSET DRVVERSION MEMORY NAME PCISLOT PCIID RESOLUTION SPEED UUID VBIOS/) {
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key} if $args->{$key};
        }
    }

    push @{$xmltags->{VIDEOS}}, $content;
}

# For compatibility
sub addVideos {
    my $self = shift;
    my $logger = $self->{logger};

    $logger->debug("please rename addVideos to addVideo()");
    $self->addVideo(@_);
}

sub addSound {
    my ($self, $args) = @_;
    my $xmltags = $self->{xmltags};

    my $content = {};

    foreach my $key (qw/DESCRIPTION MANUFACTURER NAME/) {
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key} if $args->{$key};
        }
    }

  push @{$xmltags->{SOUNDS}}, $content;
}

# For compatibility
sub addSounds {
    my $self = shift;
    my $logger = $self->{logger};

    $logger->debug("please rename addSounds to addSound()");
    $self->addSound(@_);
}

sub addNetwork {
    my ($self, $args) = @_;
    my $xmltags = $self->{xmltags};

    my $content = {};

    foreach my $key (qw/BASE BSSID DESCRIPTION DRIVER DUPLEX IPADDRESS IPDHCP IPGATEWAY IPMASK IPSUBNET MACADDR MODE MTU PCISLOT SLAVE SPEED SSID STATUS TYPE VERSION VIRTUALDEV /) {
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key} if $args->{$key};
        }
    }

    push @{$xmltags->{NETWORKS}}, $content;
}

# For compatibility
sub addNetworks {
    my $self = shift;
    my $logger = $self->{logger};

    $logger->debug("please rename addNetworks to addNetwork()");
    $self->addNetwork(@_);
}

sub addRepo {
    my ($self, $args) = @_;
    my $xmltags = $self->{xmltags};

    my $content = {};

    foreach my $key (qw/BASEURL ENABLED EXCLUDE EXPIRE EXPIRED FILENAME LASTUPDATED MIRRORS NAME PKGS REVISION SIZE UPDATED/) {
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key} if $args->{$key};
        }
    }

    push @{$xmltags->{REPOSITORY}}, $content;
}

# For compatibility
sub addRepos {
    my $self = shift;
    my $logger = $self->{logger};

    $logger->debug("please rename addRepos to addRepo()");
    $self->addRepo(@_);
}


sub setHardware {
    my ($self, $args, $nonDeprecated) = @_;
    my $xmltags = $self->{xmltags};

    my $logger = $self->{logger};

    foreach my $key (qw/USERID OSVERSION PROCESSORN OSCOMMENTS CHECKSUM
    PROCESSORT NAME PROCESSORS SWAP ETIME TYPE OSNAME IPADDR WORKGROUP
    DESCRIPTION MEMORY UUID DNS LASTLOGGEDUSER INSTALLDATE
    DATELASTLOGGEDUSER DEFAULTGATEWAY VMSYSTEM/) {

        if (exists $args->{$key}) {
            if ($key eq 'PROCESSORS' && !$nonDeprecated) {
                $logger->debug("PROCESSORN, PROCESSORS and PROCESSORT shouldn't be set directly anymore. Please use addCPU() method instead.");
            }
            if ($key eq 'USERID' && !$nonDeprecated) {
                $logger->debug("USERID shouldn't be set directly anymore. Please use addUser() method instead.");
            }

            $xmltags->{'HARDWARE'}{$key}[0] = $args->{$key};
        }
    }
}

sub setBios {
    my ($self, $args) = @_;
    my $xmltags = $self->{xmltags};

    foreach my $key (qw/SMODEL SMANUFACTURER SSN BDATE BVERSION BMANUFACTURER MMANUFACTURER MSN MMODEL ASSETTAG TYPE/) {

        if (exists $args->{$key}) {
            $xmltags->{'BIOS'}{$key}[0] = $args->{$key};
        }
    }
}

sub addCPU {
    my ($self, $args) = @_;
    my $xmltags = $self->{xmltags};

    my $content = {};

    foreach my $key (qw/CORES CPUARCH CPUSTATUS CURRENT_SPEED DATA_WIDTH HPT L2CACHESIZE LOGICAL_CPUS MANUFACTURER NBSOCKET SERIALNUMBER SOCKET SPEED THREADS TYPE VOLTAGE LOGICAL_CPUS/) {
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key} if $args->{$key};
        }
    }

    push @{$xmltags->{CPUS}}, $content;

    # For the compatibility with HARDWARE/PROCESSOR*
    my $processorn = int @{$xmltags->{CPUS}};
    my $processors = $xmltags->{CPUS}[0]{SPEED}[0];
    my $processort = $xmltags->{CPUS}[0]{TYPE}[0];

    $self->setHardware ({
        PROCESSORN => $processorn,
        PROCESSORS => $processors,
        PROCESSORT => $processort,
    }, 1);

}

sub addUser {
    my ($self, $args) = @_;
    my $xmltags = $self->{xmltags};

    my $login = $args->{LOGIN};

    return unless $login;

    # Is the login, already in the XML ?
    foreach my $user (@{$xmltags->{USERS}}) {
        return if $user->{LOGIN}[0] eq $login;
    }

    push @{$xmltags->{USERS}},
    {
        LOGIN => [$login]
    };
    my $userString = $xmltags->{HARDWARE}->{USERID}[0] || "";

    $userString .= '/' if $userString;
    $userString .= $login;

    $self->setHardware ({
        USERID => $userString,
    }, 1);

}

sub addLocalUser {
    my ($self, $args) = @_;
    my $xmltags = $self->{xmltags};

    my $content = {};

    foreach my $key (qw/GID HOME ID_USER LOGIN NAME SHELL/) {
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key} if $args->{$key};
        }
    }

    push @{$xmltags->{LOCAL_USERS}}, $content;

}

sub addLocalGroup {
    my ($self, $args) = @_;
    my $xmltags = $self->{xmltags};

    my $content = {};

    foreach my $key (qw/ID_GROUP MEMBER NAME/) {
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key} if $args->{$key};
        }
    }

    push @{$xmltags->{LOCAL_GROUPS}}, $content;

}
sub addPrinter {
    my ($self, $args) = @_;
    my $xmltags = $self->{xmltags};

    my $content = {};

    foreach my $key (qw/DESCRIPTION DRIVER NAME PORT/) {
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key} if $args->{$key};
        }
    }

    push @{$xmltags->{PRINTERS}}, $content;

}

# For compatibility
sub addPrinters {
    my $self = shift;
    my $logger = $self->{logger};

    $logger->debug("please rename addPrinters to addPrinter()");
    $self->addPrinter(@_);
}

sub addBatteries {
    my ($self, $args) = @_;
    my $xmltags = $self->{xmltags};

    my $content = {};

    foreach my $key (qw/CHEMISTRY DESIGNCAPACITY DESIGNVOLTAGE LOCATION MANUFACTURER MANUFACTUREDATE MAXERROR NAME OEMSPECIFIC SBDSVERSION SERIALNUMBER /) {
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key} if $args->{$key};
        }
    }

    push @{$xmltags->{BATTERIES}}, $content;
}

sub addVirtualMachine {
    my ($self, $args) = @_;
    my $xmltags = $self->{xmltags};

    my $content = {};

    foreach my $key (qw/CORES IPADDR MEMORY NAME UUID STATUS SUBSYSTEM VMTYPE VCPU VMID/) {
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key} if $args->{$key};
        }
    }

    push @{$xmltags->{VIRTUALMACHINES}}, $content;

}

sub addProcess {
    my ($self, $args) = @_;
    my $xmltags = $self->{xmltags};

    my $content = {};

    foreach my $key (qw/COMMANDLINE CPUUSAGE PROCESSMEMORY PROCESSID STARTED TTY USERNAME VIRTUALMEMORY/) {
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key} if $args->{$key};
        }
    }

    push @{$xmltags->{RUNNING_PROCESSES}}, $content;
}

sub addCamera {
    my ($self, $args) = @_;
    my $xmltags = $self->{xmltags};

    my $content = {};

    foreach my $key (qw/MODEL UUID/){
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key} if $args->{$key};
        }
    }

    push @{$xmltags->{RUNNING_PROCESSES}}, $content;
}

sub addPSU {
    my ($self, $args) = @_;
    my $xmltags = $self->{xmltags};

    my $content = {};

    foreach my $key (qw/HOTREPLACEABLE LOCATION MANUFACTURER NAME PARTNUMBER PLUGGED POWERMAX SERIALNUMBER STATUS/){
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key} if $args->{$key};
        }
    }

    push @{$xmltags->{POWERSUPPLIES}}, $content;

}

sub addIpDiscoverEntry {
    my ($self, $args) = @_;
    my $xmltags = $self->{xmltags};

    my $ipaddress = $args->{IPADDRESS};
    my $macaddr = $args->{MACADDR};
    my $name = $args->{NAME};

    if (!$xmltags->{IPDISCOVER}{H}) {
        $xmltags->{IPDISCOVER}{H} = [];
    }

    push @{$xmltags->{IPDISCOVER}{H}}, {
        # If I or M is undef, the server will ignore the host
        I => [$ipaddress?$ipaddress:""],
        M => [$macaddr?$macaddr:""],
        N => [$name?$name:"-"], # '-' is the default value returned by ipdiscover
    };
}


sub setAccessLog {
    my ($self, $args) = @_;

    foreach my $key (qw/USERID LOGDATE/) {
        if (exists $args->{$key}) {
            $self->{xmlroot}{'CONTENT'}{'ACCESSLOG'}{$key}[0] = $args->{$key};
        }
    }
}

sub flushXMLTags {
    my $self= shift;
    $self->{xmltags} = {};
}


### SNMP specifics subroutines ####

sub getSnmpTable {
    my ($self,$snmp_table,$baseoid,$snmp_infos) = @_;

    # $snmp_infos is a hash passed for the SNMP information we want to get
    # It has to be created like this :
    # my $hash = {
    #  INFORMATION => OID,
    #};

    my $results={};  #The final hash which will contain one key per SNMP reference

    for my $oid ( keys %$snmp_table ) {
        if ( $oid =~ /$baseoid\.\d+\.\d+\.(\S+)/ ) {
            my $reference=$1;    #Getting the last digits of the OID separated by a dot
            # Getting information if one the values from $snmp_infos hash is found for the current OID
            for my $value (keys %$snmp_infos) {
                if ($oid =~ /$snmp_infos->{$value}\.$reference/) {
                    $results->{$reference}->{$value}= $snmp_table->{$oid}
                }
            }
        }
    }
    return $results;
}

sub setSnmpCommons {
    my ($self,$args) = @_;
    my $xmltags = $self->{xmltags};

    foreach my $key (qw/IPADDR MACADDR SNMPDEVICEID NAME DESCRIPTION CONTACT LOCATION UPTIME DOMAIN TYPE / ) {
        if (exists $args->{$key}) {
            $xmltags->{COMMON}[0]{$key}[0] = $args->{$key};
        }
    }
}

sub setSnmpPrinter {
    my ($self,$args) = @_;
    my $xmltags = $self->{xmltags};

    foreach my $key (qw/NAME SERIALNUMBER COUNTER STATUS ERRORSTATE/ ) {
        if (exists $args->{$key}) {
            $xmltags->{PRINTERS}[0]{$key}[0] = $args->{$key};
        }
    }
}


sub setSnmpSwitchInfos {
    my ($self,$args) = @_;
    my $xmltags = $self->{xmltags};

    foreach my $key (qw/TYPE/) {
        if (exists $args->{$key}) {
            $xmltags->{SWITCHINFOS}[0]{$key}[0] = $args->{$key};
        }
    }
}

sub setSnmpFirewalls {
    my ($self,$args) = @_;
    my $xmltags = $self->{xmltags};

    foreach my $key (qw/SERIALNUMBER SYSTEM/) {
        if (exists $args->{$key}) {
            $xmltags->{FIREWALLS}[0]{$key}[0] = $args->{$key};
        }
    }
}


sub setSnmpLoadBalancer {
    my ($self,$args) = @_;
    my $xmltags=$self->{xmltags};

    foreach my $key (qw/SERIALNUMBER SYSTEM MANUFACTURER TYPE/ ) {
        if (exists $args->{$key}) {
            $xmltags->{LOADBALANCERS}[0]{$key}[0] = $args->{$key};
        }
    }
}

sub setSnmpBlade {
    my ($self,$args) = @_;
    my $xmltags = $self->{xmltags};

    foreach my $key (qw/SERIALNUMBER SYSTEM/) {
        if (exists $args->{$key}) {
            $xmltags->{BLADES}[0]{$key}[0] = $args->{$key};
        }
    }
}

sub setSnmpComputer {
    my ($self,$args) = @_;
    my $xmltags = $self->{xmltags};

    foreach my $key (qw/SYSTEM/) {
        if (exists $args->{$key}) {
            $xmltags->{COMPUTERS}[0]{$key}[0] = $args->{$key};
        }
    }
}

sub addSnmpPrinterCartridge {
  my ($self,$args) = @_;
  my $xmltags = $self->{xmltags};
  my $content = {};

  foreach my $key (qw/DESCRIPTION TYPE LEVEL MAXCAPACITY COLOR/) {
     if (exists $args->{$key}) {
        $content->{$key}[0] = $args->{$key};
     }
  }
  push @{$xmltags->{CARTRIDGES}},$content;

}

sub addSnmpPrinterTray {
    my ($self,$args) = @_;
    my $xmltags = $self->{xmltags};
    my $content = {};

    foreach my $key (qw/NAME DESCRIPTION LEVEL MAXCAPACITY/) {
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key};
        }
    }

    push @{$xmltags->{TRAYS}},$content;

}

sub addSnmpNetwork {
    my ($self,$args) = @_;
    my $xmltags = $self->{xmltags};
    my $content = {};

    foreach my $key (qw/DESCRIPTION MACADDR DEVICEMACADDR SLOT STATUS SPEED TYPE DEVICEADDRESS DEVICENAME DEVICEPORT DEVICETYPE TYPEMIB IPADDR IPMASK IPGATEWAY IPSUBNET IPDHCP DRIVER VIRTUALDEV/) {
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key};
        }
    }

    push @{$xmltags->{NETWORKS}},$content;
}

sub addSnmpBackPlane {
    my ($self,$args) = @_;
    my $xmltags = $self->{xmltags};
    my $content = {};

    foreach my $key (qw/DESCRIPTION FIRMWARE MANUFACTURER REFERENCE SERIALNUMBER TYPE/) {
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key};
        }
    }

    push @{$xmltags->{BACKPLANE}},$content;
}

sub addSnmpCard {
    my ($self,$args) = @_;
    my $xmltags = $self->{xmltags};
    my $content = {};

    foreach my $key (qw/DESCRIPTION REFERENCE FIRMWARE SOFTWARE REVISION SERIALNUMBER MANUFACTURER TYPE/) {
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key};
        }
    }

    push @{$xmltags->{CARDS}},$content;

}

sub addSnmpFan {
    my ($self,$args) = @_;
    my $xmltags = $self->{xmltags};
    my $content = {};

    foreach my $key (qw/DESCRIPTION REFERENCE REVISION SERIALNUMBER MANUFACTURER TYPE/) {
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key};
        }
    }

    push @{$xmltags->{FANS}},$content;
}

sub addSnmpPowerSupply {
    my ($self,$args) = @_;
    my $xmltags = $self->{xmltags};
    my $content = {};

    foreach my $key (qw/MANUFACTURER REFERENCE TYPE SERIALNUMBER DESCRIPTION REVISION/ ) {
        if (exists $args->{$key}) {
            $content->{$key}[0]=$args->{$key};
        }
    }

    push @{$xmltags->{POWERSUPPLIES}},$content;
}

sub addSnmpSwitch {
    my ($self,$args) = @_;
    my $xmltags = $self->{xmltags};
    my $content = {};

    foreach my $key (qw/MANUFACTURER REFERENCE TYPE SOFTVERSION FIRMVERSION SERIALNUMBER REVISION DESCRIPTION/) {
        if (exists $args->{$key}) {
            $content->{$key}[0]=$args->{$key};
        }
    }

    push @{$xmltags->{SWITCHS}},$content;
}

sub addSnmpLocalPrinter {
    my ($self,$args) = @_;
    my $xmltags = $self->{xmltags};
    my $content = {};

    foreach my $key (qw/NAME/) {
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key};
        }
    }

    push @{$xmltags->{LOCALPRINTERS}},$content;

}

sub addSnmpInput {
    my ($self,$args) = @_;
    my $xmltags = $self->{xmltags};
    my $content = {};

    foreach my $key (qw/DESCRIPTION TYPE/) {
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key};
        }
    }

    push @{$xmltags->{INPUTS}},$content;

}


sub addSnmpCPU {
    my ($self,$args) = @_;
    my $xmltags = $self->{xmltags};
    my $content = {};

    foreach my $key (qw/MANUFACTURER TYPE SPEED/) {
        if (exists $args->{$key}) {
            $content->{$key}[0] = $args->{$key};
        }
    }

    push @{$xmltags->{CPUS}},$content;

}

#Subroutine to add 0 in 'Sun like' MAC address if needed
sub padSnmpMacAddress {
    my ($self,$mac) = @_;

    my @splitedAddr = split(':', $mac);

    for (@splitedAddr) {
        unless ($_ =~ /\w{2}/) {
        $_ = sprintf("%02s", $_);
    }
  }

  $mac=join (':', @splitedAddr);
  return $mac;
}

sub cleanXml {
    my ($self,$content) = @_;

    my $logger = $self->{logger};

    my $clean_content = encode('UTF-8', $content, Encode::FB_DEFAULT | Encode::LEAVE_SRC | Encode::FB_XMLCREF);
    $clean_content =~ tr/\x00-\x08\x0B\x0C\x0E-\x1F//d;  # remove forbidden char in XML

    $logger->debug("cleanXml changed content") if ($content ne $clean_content);

    return $clean_content."\n";
}

#Subroutine to read XML structure (returned by XML::Simple::XMLin) and encode content in utf8.
sub readXml {
    my ($self, $xml, $forcearray) = @_;

    my $logger = $self->{logger};
    my $content = XML::Simple::XMLin($xml, ForceArray => [@{$forcearray}]);

    foreach my $key (keys %$content) {
        if (grep(/^$key$/, @{$forcearray})) {  #Forced array in XML parsing
            $self->parseXmlArray($content->{$key},$forcearray);
        } else {  #Not a forced array in XML parsing
           if (ref ($content->{$key}) =~ /^HASH$/ && !keys %{$content->{$key}}) {  # If empty hash from XMLin()
               $content->{$key} = '';
           } else { encode('UTF-8', $content->{$key}, Encode::FB_DEFAULT) };
        }
    }
    return $content;
}

#Subroutine to parse array in XML structure (returned by XML::Simple::XMLin) and encode it in utf8
sub parseXmlArray {
    my ($self,$array,$forcearray) = @_;

    foreach my $hash (@{$array}) {
        foreach my $key (keys %$hash) {
            if ( grep (/^$key$/,@$forcearray)) {  #Forced array in XML parsing
                $self->parseXmlArray($hash->{$key},$forcearray);
            } else {  #Not a forced array in XML parsing
                if (ref ($hash->{$key}) =~ /^HASH$/ && !keys %{$hash->{$key}}) {  # If empty hash from XMLin()
                    $hash->{$key} = '';
                } else { encode('UTF-8', $hash->{$key}, Encode::FB_DEFAULT) };
            }
        }
    }
}

#Subroutine to convert versions to numbers (with icutting or right padding if needed)
# We create it because Perl 5.8 does not include version comparison modules or functions
sub convertVersion {
    my ($self,$version,$length) = @_;

    $version =~ s/\.//g;  #We convert to number
    my $ver_length = length ($version);

    if ($ver_length > $length) {  # We cut the number
        $version = substr $version, 0, $length;
    } elsif ($ver_length < $length) { #We add 0 to the right
        $version = substr($version . (0 x $length), 0, $length);
    }
    return $version;
}

#We create this subroutine because MacOSX system_profiler XML output does not give all
##the neeeded data (for videos and sounds for example)
sub get_sysprofile_devices_names {
    my ($self,$type) = @_;

    return(undef) unless -r '/usr/sbin/system_profiler';

    my $output=`system_profiler $type`;
    my $name;
    my $names=[];

    # Code inspired from Mac::Sysprofile 0.03 from Daniel Muey
    for(split /\n/, $output) {
        next if m/^\s*$/ || m/^\w/;
        if(m/^\s{4}\w/) {
           $name = $_;
           $name =~ s/^\s+//;
           $name =~ s/:.*$//;
           push(@$names,$name);
        }
    }

    return $names;
}

# Function getDmidecodeInfos.
#
sub getDmidecodeInfos {
    my @dmidecode=`dmidecode`;

    my ($info, $block, $type);

    foreach my $line (@dmidecode){
        chomp $line;
        if ($line =~ /DMI type (\d+)/) {
            if ($block) {
                push (@{$info->{$type}}, $block);
                undef $block;
            }
            $type=$1;
            next;
        }
        next unless defined $type;
        next unless $line =~ /^\s+ ([^:]+) : \s (.*\S)/x;
        next if
            $2 eq 'N/A' ||
            $2 eq 'Not Specified' ||
            $2 eq 'Not Present' ||
            $2 eq 'Unknown' ||
            $2 eq '<BAD INDEX>' ||
            $2 eq '<OUT OF SPEC>' ||
            $2 eq '<OUT OF SPEC><OUT OF SPEC>';
        $block->{$1} = $2;
    }
    if ($block) {
        push(@{$info->{$type}}, $block);
    }

    return if keys %{$info} < 2;

    return $info;

}

### Generic shared subroutines #####

sub can_run {
    my $self = shift;
    my $binary = shift;

    my $logger = $self->{logger};

    my $calling_namespace = caller(0);
    chomp(my $binpath=`which $binary 2>/dev/null`);
    return unless -x $binpath;
    $self->{logger}->debug(" - $binary found");
    1;
}

sub can_load {
    my $self = shift;
    my $module = shift;

    my $logger = $self->{logger};

    my $calling_namespace = caller(0);
    eval "package $calling_namespace; use $module;";
    return if $@;
    $self->{logger}->debug(" - $module loaded");
  1;
}


sub can_read {
    my $self = shift;
    my $file = shift;

    my $logger = $self->{logger};

    return unless -r $file;
    $self->{logger}->debug(" - $file can be read");
    1;
}

sub runcmd {
    my $self = shift;
    my $cmd = shift;

    my $logger = $self->{logger};

    return unless $cmd;

    # $self->{logger}->debug(" - run $cmd");
    return `$cmd`;
}


#### Old subroutines from the former Common.pm used by Download.pm #######

sub get_path{
    my $self = shift;
    my $binary = shift;
    my $path;

    my @bin_directories  = qw {   /usr/local/sbin/ /sbin/ /usr/sbin/ /bin/ /usr/bin/ /usr/local/bin/ /etc/ocsinventory-client/};

    print "\n=> retrieving $binary...\n" if $::debug;
    for (@bin_directories){
        $path = $_.$binary,last if -x $_.$binary;
    }

    # For debbuging purposes
    if ($path){
        print "=> $binary is at $path\n\n" if $::debug;
    } else {
        print "$binary not found (Maybe it is not installed ?) - Some functionnalities may lack !!\n\n";
    }

    return $path;
}


sub already_in_array {
    my $self = shift;
    my $lookfor = shift;
    my @array   = @_;
    foreach (@array){
        if ($lookfor eq $_){
            return 1 ;
        }
    }
    return 0;
}

1;