File Coverage

blib/lib/Geo/IP2Location.pm

Criterion	Covered	Total	%
statement	461	993	46.4
branch	89	434	20.5
condition	61	168	36.3
subroutine	82	112	73.2
pod	27	48	56.2
total	720	1755	41.0

#MIT License
#
#Copyright (c) 2022 IP2Location.com
#
#Permission is hereby granted, free of charge, to any person obtaining a copy
#of this software and associated documentation files (the "Software"), to deal
#in the Software without restriction, including without limitation the rights
#to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
#copies of the Software, and to permit persons to whom the Software is
#furnished to do so, subject to the following conditions:
#
#The above copyright notice and this permission notice shall be included in all
#copies or substantial portions of the Software.
#
#THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
#IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
#FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
#AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
#LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
#OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
#SOFTWARE.

package Geo::IP2Location;

use strict;
use vars qw(@ISA $VERSION @EXPORT);
use Math::BigInt;
use bigint;

$VERSION = '8.60';
require Exporter;
@ISA = qw(Exporter);

use constant UNKNOWN => "UNKNOWN IP ADDRESS";
use constant IPV6_ADDRESS_IN_IPV4_BIN => "IPV6 ADDRESS MISSING IN IPV4 BIN";
use constant NO_IP => "MISSING IP ADDRESS";
use constant INVALID_IPV6_ADDRESS => "INVALID IPV6 ADDRESS";
use constant INVALID_IPV4_ADDRESS => "INVALID IPV4 ADDRESS";
use constant INVALID_IP_ADDRESS => "INVALID IP ADDRESS";
use constant INVALID_BIN_DATABASE => "Incorrect IP2Location BIN file format. Please make sure that you are using the latest IP2Location BIN file.";
use constant NOT_SUPPORTED => "This parameter is unavailable in selected .BIN data file. Please upgrade data file.";
use constant MAX_IPV4_RANGE => 4294967295;
use constant MAX_IPV6_RANGE => 340282366920938463463374607431768211455;
use constant IP_COUNTRY => 1;
use constant IP_COUNTRY_ISP => 2;
use constant IP_COUNTRY_REGION_CITY => 3;
use constant IP_COUNTRY_REGION_CITY_ISP => 4;
use constant IP_COUNTRY_REGION_CITY_LATITUDE_LONGITUDE => 5;
use constant IP_COUNTRY_REGION_CITY_LATITUDE_LONGITUDE_ISP => 6;
use constant IP_COUNTRY_REGION_CITY_ISP_DOMAIN => 7;
use constant IP_COUNTRY_REGION_CITY_LATITUDE_LONGITUDE_ISP_DOMAIN => 8;
use constant IP_COUNTRY_REGION_CITY_LATITUDE_LONGITUDE_ZIPCODE => 9;
use constant IP_COUNTRY_REGION_CITY_LATITUDE_LONGITUDE_ZIPCODE_ISP_DOMAIN => 10;
use constant IP_COUNTRY_REGION_CITY_LATITUDE_LONGITUDE_ZIPCODE_TIMEZONE => 11;
use constant IP_COUNTRY_REGION_CITY_LATITUDE_LONGITUDE_ZIPCODE_TIMEZONE_ISP_DOMAIN => 12;
use constant IP_COUNTRY_REGION_CITY_LATITUDE_LONGITUDE_TIMEZONE_NETSPEED => 13;
use constant IP_COUNTRY_REGION_CITY_LATITUDE_LONGITUDE_ZIPCODE_TIMEZONE_ISP_DOMAIN_NETSPEED => 14;
use constant IP_COUNTRY_REGION_CITY_LATITUDE_LONGITUDE_ZIPCODE_TIMEZONE_AREACODE => 15;
use constant IP_COUNTRY_REGION_CITY_LATITUDE_LONGITUDE_ZIPCODE_TIMEZONE_ISP_DOMAIN_NETSPEED_AREACODE => 16;
use constant IP_COUNTRY_REGION_CITY_LATITUDE_LONGITUDE_TIMEZONE_NETSPEED_WEATHER => 17;
use constant IP_COUNTRY_REGION_CITY_LATITUDE_LONGITUDE_ZIPCODE_TIMEZONE_ISP_DOMAIN_NETSPEED_AREACODE_WEATHER => 18;
use constant IP_COUNTRY_REGION_CITY_LATITUDE_LONGITUDE_ISP_DOMAIN_MOBILE => 19;
use constant IP_COUNTRY_REGION_CITY_LATITUDE_LONGITUDE_ZIPCODE_TIMEZONE_ISP_DOMAIN_NETSPEED_AREACODE_WEATHER_MOBILE => 20;
use constant IP_COUNTRY_REGION_CITY_LATITUDE_LONGITUDE_ZIPCODE_TIMEZONE_AREACODE_ELEVATION => 21;
use constant IP_COUNTRY_REGION_CITY_LATITUDE_LONGITUDE_ZIPCODE_TIMEZONE_ISP_DOMAIN_NETSPEED_AREACODE_WEATHER_MOBILE_ELEVATION => 22;
use constant IP_COUNTRY_REGION_CITY_LATITUDE_LONGITUDE_ISP_DOMAIN_MOBILE_USAGETYPE => 23;
use constant IP_COUNTRY_REGION_CITY_LATITUDE_LONGITUDE_ZIPCODE_TIMEZONE_ISP_DOMAIN_NETSPEED_AREACODE_WEATHER_MOBILE_ELEVATION_USAGETYPE => 24;
use constant IP_COUNTRY_REGION_CITY_LATITUDE_LONGITUDE_ZIPCODE_TIMEZONE_ISP_DOMAIN_NETSPEED_AREACODE_WEATHER_MOBILE_ELEVATION_USAGETYPE_ADDRESSTYPE_CATEGORY => 25;

use constant COUNTRYSHORT => 1;
use constant COUNTRYLONG => 2;
use constant REGION => 3;
use constant CITY => 4;
use constant ISP => 5;
use constant LATITUDE => 6;
use constant LONGITUDE => 7;
use constant DOMAIN => 8;
use constant ZIPCODE => 9;
use constant TIMEZONE => 10;
use constant NETSPEED => 11;
use constant IDDCODE => 12;
use constant AREACODE => 13;
use constant WEATHERSTATIONCODE => 14;
use constant WEATHERSTATIONNAME => 15;
use constant MCC => 16;
use constant MNC => 17;
use constant MOBILEBRAND => 18;
use constant ELEVATION => 19;
use constant USAGETYPE => 20;
use constant ADDRESSTYPE => 21;
use constant CATEGORY => 22;

use constant ALL => 100;
use constant IPV4 => 0;
use constant IPV6 => 1;

my @COUNTRY_POSITION =             (0,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2, 2);
my @REGION_POSITION =              (0,  0,  0,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3, 3);
my @CITY_POSITION =                (0,  0,  0,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4, 4);
my @LATITUDE_POSITION =            (0,  0,  0,  0,  0,  5,  5,  0,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5, 5);
my @LONGITUDE_POSITION =           (0,  0,  0,  0,  0,  6,  6,  0,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6, 6);
my @ZIPCODE_POSITION =             (0,  0,  0,  0,  0,  0,  0,  0,  0,  7,  7,  7,  7,  0,  7,  7,  7,  0,  7,  0,  7,  7,  7,  0,  7, 7);
my @TIMEZONE_POSITION =            (0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  8,  8,  7,  8,  8,  8,  7,  8,  0,  8,  8,  8,  0,  8, 8);
my @ISP_POSITION =                 (0,  0,  3,  0,  5,  0,  7,  5,  7,  0,  8,  0,  9,  0,  9,  0,  9,  0,  9,  7,  9,  0,  9,  7,  9, 9);
my @DOMAIN_POSITION =              (0,  0,  0,  0,  0,  0,  0,  6,  8,  0,  9,  0, 10,  0, 10,  0, 10,  0, 10,  8, 10,  0, 10,  8, 10, 10);
my @NETSPEED_POSITION =            (0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  8, 11,  0, 11,  8, 11,  0, 11,  0, 11,  0, 11, 11);
my @IDDCODE_POSITION =             (0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  9, 12,  0, 12,  0, 12,  9, 12,  0, 12, 12);
my @AREACODE_POSITION =            (0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 10, 13,  0, 13,  0, 13, 10, 13,  0, 13, 13);
my @WEATHERSTATIONCODE_POSITION =  (0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  9, 14,  0, 14,  0, 14,  0, 14, 14);
my @WEATHERSTATIONNAME_POSITION =  (0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 10, 15,  0, 15,  0, 15,  0, 15, 15);
my @MCC_POSITION =                 (0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  9, 16,  0, 16,  9, 16, 16);
my @MNC_POSITION =                 (0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 10, 17,  0, 17, 10, 17, 17);
my @MOBILEBRAND_POSITION =         (0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 11, 18,  0, 18, 11, 18, 18);
my @ELEVATION_POSITION =           (0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 11, 19,  0, 19, 19);
my @USAGETYPE_POSITION =           (0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 12, 20, 20);
my @ADDRESSTYPE_POSITION =         (0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 21);
my @CATEGORY_POSITION =            (0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 22);

my @IPV6_COUNTRY_POSITION =             (0,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2,  2, 2);
my @IPV6_REGION_POSITION =              (0,  0,  0,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3,  3, 3);
my @IPV6_CITY_POSITION =                (0,  0,  0,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4,  4, 4);
my @IPV6_LATITUDE_POSITION =            (0,  0,  0,  0,  0,  5,  5,  0,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5,  5, 5);
my @IPV6_LONGITUDE_POSITION =           (0,  0,  0,  0,  0,  6,  6,  0,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6,  6, 6);
my @IPV6_ZIPCODE_POSITION =             (0,  0,  0,  0,  0,  0,  0,  0,  0,  7,  7,  7,  7,  0,  7,  7,  7,  0,  7,  0,  7,  7,  7,  0,  7, 7);
my @IPV6_TIMEZONE_POSITION =            (0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  8,  8,  7,  8,  8,  8,  7,  8,  0,  8,  8,  8,  0,  8, 8);
my @IPV6_ISP_POSITION =                 (0,  0,  3,  0,  5,  0,  7,  5,  7,  0,  8,  0,  9,  0,  9,  0,  9,  0,  9,  7,  9,  0,  9,  7,  9, 9);
my @IPV6_DOMAIN_POSITION =              (0,  0,  0,  0,  0,  0,  0,  6,  8,  0,  9,  0, 10,  0, 10,  0, 10,  0, 10,  8, 10,  0, 10,  8, 10, 10);
my @IPV6_NETSPEED_POSITION =            (0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  8, 11,  0, 11,  8, 11,  0, 11,  0, 11,  0, 11, 11);
my @IPV6_IDDCODE_POSITION =             (0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  9, 12,  0, 12,  0, 12,  9, 12,  0, 12, 12);
my @IPV6_AREACODE_POSITION =            (0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 10, 13,  0, 13,  0, 13, 10, 13,  0, 13, 13);
my @IPV6_WEATHERSTATIONCODE_POSITION =  (0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  9, 14,  0, 14,  0, 14,  0, 14, 14);
my @IPV6_WEATHERSTATIONNAME_POSITION =  (0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 10, 15,  0, 15,  0, 15,  0, 15, 15);
my @IPV6_MCC_POSITION =                 (0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  9, 16,  0, 16,  9, 16, 16);
my @IPV6_MNC_POSITION =                 (0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 10, 17,  0, 17, 10, 17, 17);
my @IPV6_MOBILEBRAND_POSITION =         (0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 11, 18,  0, 18, 11, 18, 18);
my @IPV6_ELEVATION_POSITION =           (0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 11, 19,  0, 19, 19);
my @IPV6_USAGETYPE_POSITION =           (0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 12, 20, 20);
my @IPV6_ADDRESSTYPE_POSITION =         (0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 21);
my @IPV6_CATEGORY_POSITION =            (0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,  0, 22);


my $IPv6_re = qr/:(?::[0-9a-fA-F]{1,4}){0,5}(?:(?::[0-9a-fA-F]{1,4}){1,2}|:(?:(?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})))|[0-9a-fA-F]{1,4}:(?:[0-9a-fA-F]{1,4}:(?:[0-9a-fA-F]{1,4}:(?:[0-9a-fA-F]{1,4}:(?:[0-9a-fA-F]{1,4}:(?:[0-9a-fA-F]{1,4}:(?:[0-9a-fA-F]{1,4}:(?:[0-9a-fA-F]{1,4}|:)|(?::(?:[0-9a-fA-F]{1,4})?|(?:(?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2}))))|:(?:(?:(?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2}))|[0-9a-fA-F]{1,4}(?::[0-9a-fA-F]{1,4})?|))|(?::(?:(?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2}))|:[0-9a-fA-F]{1,4}(?::(?:(?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2}))|(?::[0-9a-fA-F]{1,4}){0,2})|:))|(?:(?::[0-9a-fA-F]{1,4}){0,2}(?::(?:(?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2}))|(?::[0-9a-fA-F]{1,4}){1,2})|:))|(?:(?::[0-9a-fA-F]{1,4}){0,3}(?::(?:(?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2}))|(?::[0-9a-fA-F]{1,4}){1,2})|:))|(?:(?::[0-9a-fA-F]{1,4}){0,4}(?::(?:(?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2})[.](?:25[0-5]|2[0-4][0-9]|[0-1]?[0-9]{1,2}))|(?::[0-9a-fA-F]{1,4}){1,2})|:))/;
my $IPv4_re = qr/\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}/;

my $getLastErrorMessage = "";

sub open {
  unless( (@_ > 1) && ($_[1]) ) {
  	$getLastErrorMessage = "Geo::IP2Location::open() requires a database path name.";
  	die "Geo::IP2Location::open() requires a database path name";
  }
  my ($class, $db_file) = @_;
  my $handle;
  my $obj;
  unless (CORE::open $handle, "$db_file") {
  	$getLastErrorMessage = "Geo::IP2Location::open() error in opening $db_file" . ".";
  	die "Geo::IP2Location::open() error in opening $db_file";
  }
	binmode($handle);
	$obj = bless {filehandle => $handle}, $class;
	$obj->initialize();
	if ($obj->{"productcode"} == 1) {
	} else {
		if (($obj->{"databaseyear"} <= 20) && ($obj->{"productcode"} == 0)) {
		} else {
			$obj->close();
			undef $obj;
			$getLastErrorMessage = INVALID_BIN_DATABASE;
			die INVALID_BIN_DATABASE;
		}
	}
	return $obj;
}

sub close {
  my ($class) = @_;
  if (CORE::close($class->{filehandle})) {
  	return 0;
  } else {
  	return 1;
  }
}

sub initialize {
	my ($obj) = @_;
	my @header = $obj->read512($obj->{filehandle}, 1);
	$obj->{"databasetype"} = unpack("C", $header[0]);
	$obj->{"databasecolumn"} = unpack("C", $header[1]);
	$obj->{"databaseyear"} = unpack("C", $header[2]);
	$obj->{"databasemonth"} = unpack("C", $header[3]);
	$obj->{"databaseday"} = unpack("C", $header[4]);
	$obj->{"ipv4databasecount"} = unpack("V", join('', @header[5..8]));
	$obj->{"ipv4databaseaddr"} = unpack("V", join('', @header[9..12]));
	$obj->{"ipv6databasecount"} = unpack("V", join('', @header[13..16]));
	$obj->{"ipv6databaseaddr"} = unpack("V", join('', @header[17..20]));
	$obj->{"ipv4indexbaseaddr"} = unpack("V", join('', @header[21..24]));
	$obj->{"ipv6indexbaseaddr"} = unpack("V", join('', @header[25..28]));
	$obj->{"productcode"} = unpack("C", $header[29]);
	$obj->{"licensecode"} = unpack("C", $header[30]);
	$obj->{"databasesize"} = unpack("V", join('', @header[31..34]));
	return $obj;
}

sub get_last_error_message	{
	my $class = shift(@_);
	return ($getLastErrorMessage);
}

sub get_module_version {
	my $obj = shift(@_);
	return $VERSION;
}

sub get_database_version {
	my $obj = shift(@_);
	return $obj->{"databaseyear"} . "." . $obj->{"databasemonth"} . "." . $obj->{"databaseday"};
}

sub get_country_short {
	my $obj = shift(@_);
	my $ipaddr = shift(@_);
	my ($ipv, $ipnum) = $obj->validate_ip($ipaddr);
	if ($ipv == 4) {
		return $obj->get_ipv4_record($ipnum, COUNTRYSHORT);
	} else {
		if ($ipv == 6) {
			return $obj->get_ipv6_record($ipnum, COUNTRYSHORT);
		} else {
			return INVALID_IP_ADDRESS;
		}
	}
}

sub get_country_long {
	my $obj = shift(@_);
	my $ipaddr = shift(@_);
	my ($ipv, $ipnum) = $obj->validate_ip($ipaddr);
	if ($ipv == 4) {
		return $obj->get_ipv4_record($ipnum, COUNTRYLONG);
	} else {
		if ($ipv == 6) {
			return $obj->get_ipv6_record($ipnum, COUNTRYLONG);
		} else {
			return INVALID_IP_ADDRESS;
		}
	}
}

sub get_region {
	my $obj = shift(@_);
	my $ipaddr = shift(@_);
	my ($ipv, $ipnum) = $obj->validate_ip($ipaddr);
	if ($ipv == 4) {
		return $obj->get_ipv4_record($ipnum, REGION);
	} else {
		if ($ipv == 6) {
			return $obj->get_ipv6_record($ipnum, REGION);
		} else {
			return INVALID_IP_ADDRESS;
		}
	}
}

sub get_city {
	my $obj = shift(@_);
	my $ipaddr = shift(@_);
	my ($ipv, $ipnum) = $obj->validate_ip($ipaddr);
	if ($ipv == 4) {
		return $obj->get_ipv4_record($ipnum, CITY);
	} else {
		if ($ipv == 6) {
			return $obj->get_ipv6_record($ipnum, CITY);
		} else {
			return INVALID_IP_ADDRESS;
		}
	}
}

sub get_isp {
	my $obj = shift(@_);
	my $ipaddr = shift(@_);
	my ($ipv, $ipnum) = $obj->validate_ip($ipaddr);
	if ($ipv == 4) {
		return $obj->get_ipv4_record($ipnum, ISP);
	} else {
		if ($ipv == 6) {
			return $obj->get_ipv6_record($ipnum, ISP);
		} else {
			return INVALID_IP_ADDRESS;
		}
	}
}

sub get_latitude {
	my $obj = shift(@_);
	my $ipaddr = shift(@_);
	my ($ipv, $ipnum) = $obj->validate_ip($ipaddr);
	if ($ipv == 4) {
		return $obj->get_ipv4_record($ipnum, LATITUDE);
	} else {
		if ($ipv == 6) {
			return $obj->get_ipv6_record($ipnum, LATITUDE);
		} else {
			return INVALID_IP_ADDRESS;
		}
	}
}

sub get_zipcode {
	my $obj = shift(@_);
	my $ipaddr = shift(@_);
	my ($ipv, $ipnum) = $obj->validate_ip($ipaddr);
	if ($ipv == 4) {
		return $obj->get_ipv4_record($ipnum, ZIPCODE);
	} else {
		if ($ipv == 6) {
			return $obj->get_ipv6_record($ipnum, ZIPCODE);
		} else {
			return INVALID_IP_ADDRESS;
		}
	}
}

sub get_longitude {
	my $obj = shift(@_);
	my $ipaddr = shift(@_);
	my ($ipv, $ipnum) = $obj->validate_ip($ipaddr);
	if ($ipv == 4) {
		return $obj->get_ipv4_record($ipnum, LONGITUDE);
	} else {
		if ($ipv == 6) {
			return $obj->get_ipv6_record($ipnum, LONGITUDE);
		} else {
			return INVALID_IP_ADDRESS;
		}
	}
}

sub get_domain {
	my $obj = shift(@_);
	my $ipaddr = shift(@_);
	my ($ipv, $ipnum) = $obj->validate_ip($ipaddr);
	if ($ipv == 4) {
		return $obj->get_ipv4_record($ipnum, DOMAIN);
	} else {
		if ($ipv == 6) {
			return $obj->get_ipv6_record($ipnum, DOMAIN);
		} else {
			return INVALID_IP_ADDRESS;
		}
	}
}

sub get_timezone {
	my $obj = shift(@_);
	my $ipaddr = shift(@_);
	my ($ipv, $ipnum) = $obj->validate_ip($ipaddr);
	if ($ipv == 4) {
		return $obj->get_ipv4_record($ipnum, TIMEZONE);
	} else {
		if ($ipv == 6) {
			return $obj->get_ipv6_record($ipnum, TIMEZONE);
		} else {
			return INVALID_IP_ADDRESS;
		}
	}
}

sub get_netspeed {
	my $obj = shift(@_);
	my $ipaddr = shift(@_);
	my ($ipv, $ipnum) = $obj->validate_ip($ipaddr);
	if ($ipv == 4) {
		return $obj->get_ipv4_record($ipnum, NETSPEED);
	} else {
		if ($ipv == 6) {
			return $obj->get_ipv6_record($ipnum, NETSPEED);
		} else {
			return INVALID_IP_ADDRESS;
		}
	}
}

sub get_iddcode {
	my $obj = shift(@_);
	my $ipaddr = shift(@_);
	my ($ipv, $ipnum) = $obj->validate_ip($ipaddr);
	if ($ipv == 4) {
		return $obj->get_ipv4_record($ipnum, IDDCODE);
	} else {
		if ($ipv == 6) {
			return $obj->get_ipv6_record($ipnum, IDDCODE);
		} else {
			return INVALID_IP_ADDRESS;
		}
	}
}

sub get_areacode {
	my $obj = shift(@_);
	my $ipaddr = shift(@_);
	my ($ipv, $ipnum) = $obj->validate_ip($ipaddr);
	if ($ipv == 4) {
		return $obj->get_ipv4_record($ipnum, AREACODE);
	} else {
		if ($ipv == 6) {
			return $obj->get_ipv6_record($ipnum, AREACODE);
		} else {
			return INVALID_IP_ADDRESS;
		}
	}
}

sub get_weatherstationcode {
	my $obj = shift(@_);
	my $ipaddr = shift(@_);
	my ($ipv, $ipnum) = $obj->validate_ip($ipaddr);
	if ($ipv == 4) {
		return $obj->get_ipv4_record($ipnum, WEATHERSTATIONCODE);
	} else {
		if ($ipv == 6) {
			return $obj->get_ipv6_record($ipnum, WEATHERSTATIONCODE);
		} else {
			return INVALID_IP_ADDRESS;
		}
	}
}

sub get_weatherstationname {
	my $obj = shift(@_);
	my $ipaddr = shift(@_);
	my ($ipv, $ipnum) = $obj->validate_ip($ipaddr);
	if ($ipv == 4) {
		return $obj->get_ipv4_record($ipnum, WEATHERSTATIONNAME);
	} else {
		if ($ipv == 6) {
			return $obj->get_ipv6_record($ipnum, WEATHERSTATIONNAME);
		} else {
			return INVALID_IP_ADDRESS;
		}
	}
}

sub get_mcc {
	my $obj = shift(@_);
	my $ipaddr = shift(@_);
	my ($ipv, $ipnum) = $obj->validate_ip($ipaddr);
	if ($ipv == 4) {
		return $obj->get_ipv4_record($ipnum, MCC);
	} else {
		if ($ipv == 6) {
			return $obj->get_ipv6_record($ipnum, MCC);
		} else {
			return INVALID_IP_ADDRESS;
		}
	}
}

sub get_mnc {
	my $obj = shift(@_);
	my $ipaddr = shift(@_);
	my ($ipv, $ipnum) = $obj->validate_ip($ipaddr);
	if ($ipv == 4) {
		return $obj->get_ipv4_record($ipnum, MNC);
	} else {
		if ($ipv == 6) {
			return $obj->get_ipv6_record($ipnum, MNC);
		} else {
			return INVALID_IP_ADDRESS;
		}
	}
}

sub get_mobilebrand {
	my $obj = shift(@_);
	my $ipaddr = shift(@_);
	my ($ipv, $ipnum) = $obj->validate_ip($ipaddr);
	if ($ipv == 4) {
		return $obj->get_ipv4_record($ipnum, MOBILEBRAND);
	} else {
		if ($ipv == 6) {
			return $obj->get_ipv6_record($ipnum, MOBILEBRAND);
		} else {
			return INVALID_IP_ADDRESS;
		}
	}
}

sub get_elevation {
	my $obj = shift(@_);
	my $ipaddr = shift(@_);
	my ($ipv, $ipnum) = $obj->validate_ip($ipaddr);
	if ($ipv == 4) {
		return $obj->get_ipv4_record($ipnum, ELEVATION);
	} else {
		if ($ipv == 6) {
			return $obj->get_ipv6_record($ipnum, ELEVATION);
		} else {
			return INVALID_IP_ADDRESS;
		}
	}
}

sub get_usagetype {
	my $obj = shift(@_);
	my $ipaddr = shift(@_);
	my ($ipv, $ipnum) = $obj->validate_ip($ipaddr);
	if ($ipv == 4) {
		return $obj->get_ipv4_record($ipnum, USAGETYPE);
	} else {
		if ($ipv == 6) {
			return $obj->get_ipv6_record($ipnum, USAGETYPE);
		} else {
			return INVALID_IP_ADDRESS;
		}
	}
}

sub get_addresstype {
	my $obj = shift(@_);
	my $ipaddr = shift(@_);
	my ($ipv, $ipnum) = $obj->validate_ip($ipaddr);
	if ($ipv == 4) {
		return $obj->get_ipv4_record($ipnum, ADDRESSTYPE);
	} else {
		if ($ipv == 6) {
			return $obj->get_ipv6_record($ipnum, ADDRESSTYPE);
		} else {
			return INVALID_IP_ADDRESS;
		}
	}
}

sub get_category {
	my $obj = shift(@_);
	my $ipaddr = shift(@_);
	my ($ipv, $ipnum) = $obj->validate_ip($ipaddr);
	if ($ipv == 4) {
		return $obj->get_ipv4_record($ipnum, CATEGORY);
	} else {
		if ($ipv == 6) {
			return $obj->get_ipv6_record($ipnum, CATEGORY);
		} else {
			return INVALID_IP_ADDRESS;
		}
	}
}

sub get_all {
	my $obj = shift(@_);
	my $ipaddr = shift(@_);
	my ($ipv, $ipnum) = $obj->validate_ip($ipaddr);
	if ($ipv == 4) {
		return $obj->get_ipv4_record($ipnum, ALL);
	} else {
		if ($ipv == 6) {
			return $obj->get_ipv6_record($ipnum, ALL);
		} else {
			return (INVALID_IP_ADDRESS, INVALID_IP_ADDRESS, INVALID_IP_ADDRESS, INVALID_IP_ADDRESS, INVALID_IP_ADDRESS, INVALID_IP_ADDRESS, INVALID_IP_ADDRESS, INVALID_IP_ADDRESS, INVALID_IP_ADDRESS, INVALID_IP_ADDRESS, INVALID_IP_ADDRESS, INVALID_IP_ADDRESS, INVALID_IP_ADDRESS, INVALID_IP_ADDRESS, INVALID_IP_ADDRESS, INVALID_IP_ADDRESS, INVALID_IP_ADDRESS, INVALID_IP_ADDRESS, INVALID_IP_ADDRESS, INVALID_IP_ADDRESS, INVALID_IP_ADDRESS, INVALID_IP_ADDRESS);
		}
	}
}

sub get_ipv6_record {
	my $obj = shift(@_);
	my $ipnum = shift(@_);
	my $mode = shift(@_);
	my $dbtype = $obj->{"databasetype"};

	if ($ipnum eq "") {
		if ($mode == ALL) {
			return (NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP);
		} else {
			return NO_IP;
		}
	}

	if (($mode == COUNTRYSHORT) && ($IPV6_COUNTRY_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == COUNTRYLONG) && ($IPV6_COUNTRY_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == REGION) && ($IPV6_REGION_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == CITY) && ($IPV6_CITY_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == ISP) && ($IPV6_ISP_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == LATITUDE) && ($IPV6_LATITUDE_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == LONGITUDE) && ($IPV6_LONGITUDE_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == DOMAIN) && ($IPV6_DOMAIN_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == ZIPCODE) && ($IPV6_ZIPCODE_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == TIMEZONE) && ($IPV6_TIMEZONE_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == NETSPEED) && ($IPV6_NETSPEED_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == IDDCODE) && ($IPV6_IDDCODE_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == AREACODE) && ($IPV6_AREACODE_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == WEATHERSTATIONCODE) && ($IPV6_WEATHERSTATIONCODE_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == WEATHERSTATIONNAME) && ($IPV6_WEATHERSTATIONNAME_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == MCC) && ($IPV6_MCC_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == MNC) && ($IPV6_MNC_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == MOBILEBRAND) && ($IPV6_MOBILEBRAND_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == ELEVATION) && ($IPV6_ELEVATION_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == USAGETYPE) && ($IPV6_USAGETYPE_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == ADDRESSTYPE) && ($IPV6_ADDRESSTYPE_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == CATEGORY) && ($IPV6_CATEGORY_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}

	my $realipno = $ipnum;
	my $handle = $obj->{"filehandle"};
	my $baseaddr = $obj->{"ipv6databaseaddr"};
	my $dbcount = $obj->{"ipv6databasecount"};
	my $dbcolumn = $obj->{"databasecolumn"};
	my $indexbaseaddr = $obj->{"ipv6indexbaseaddr"};

	if ($dbcount == 0) {
		if ($mode == ALL) {
			return (IPV6_ADDRESS_IN_IPV4_BIN, IPV6_ADDRESS_IN_IPV4_BIN, IPV6_ADDRESS_IN_IPV4_BIN, IPV6_ADDRESS_IN_IPV4_BIN, IPV6_ADDRESS_IN_IPV4_BIN, IPV6_ADDRESS_IN_IPV4_BIN, IPV6_ADDRESS_IN_IPV4_BIN, IPV6_ADDRESS_IN_IPV4_BIN, IPV6_ADDRESS_IN_IPV4_BIN, IPV6_ADDRESS_IN_IPV4_BIN, IPV6_ADDRESS_IN_IPV4_BIN, IPV6_ADDRESS_IN_IPV4_BIN, IPV6_ADDRESS_IN_IPV4_BIN, IPV6_ADDRESS_IN_IPV4_BIN, IPV6_ADDRESS_IN_IPV4_BIN, IPV6_ADDRESS_IN_IPV4_BIN, IPV6_ADDRESS_IN_IPV4_BIN, IPV6_ADDRESS_IN_IPV4_BIN, IPV6_ADDRESS_IN_IPV4_BIN, IPV6_ADDRESS_IN_IPV4_BIN, IPV6_ADDRESS_IN_IPV4_BIN, IPV6_ADDRESS_IN_IPV4_BIN);
		} else {
			return IPV6_ADDRESS_IN_IPV4_BIN;
		}
	}

	my $ipnum1_2 = new Math::BigInt($ipnum);
	my $remainder = 0;
	($ipnum1_2, $remainder) = $ipnum1_2->bdiv(2**112);
	my $indexaddr = $indexbaseaddr + ($ipnum1_2 << 3);

	my $low = 0;
	my $high = $dbcount;
	if ($indexbaseaddr > 0) {
		($low, $high) = $obj->read32x2($handle, $indexaddr);
	}

	my $mid = 0;
	my $ipfrom = 0;
	my $ipto = 0;
	my $ipno = 0;

	$ipno = $realipno;
	if ($realipno == "340282366920938463463374607431768211455") {
		$ipno = $ipno->bsub(1);
	}

	my $raw_positions_row;

	while ($low <= $high) {
		$mid = int(($low + $high)/2);
		($ipfrom, $ipto, $raw_positions_row) = $obj->readRow128($handle, $baseaddr + $mid * (($dbcolumn * 4) + 12), $dbcolumn);

		if (($ipno >= $ipfrom) && ($ipno < $ipto)) {
			my $row_pointer = $baseaddr + $mid * (($dbcolumn * 4) + 12);

			if ($mode == ALL) {
				my $country_short = NOT_SUPPORTED;
				my $country_long = NOT_SUPPORTED;
				my $region = NOT_SUPPORTED;
				my $city = NOT_SUPPORTED;
				my $isp = NOT_SUPPORTED;
				my $latitude = NOT_SUPPORTED;
				my $longitude = NOT_SUPPORTED;
				my $domain = NOT_SUPPORTED;
				my $zipcode = NOT_SUPPORTED;
				my $timezone = NOT_SUPPORTED;
				my $netspeed = NOT_SUPPORTED;
				my $iddcode = NOT_SUPPORTED;
				my $areacode = NOT_SUPPORTED;
				my $weatherstationcode = NOT_SUPPORTED;
				my $weatherstationname = NOT_SUPPORTED;
				my $mcc = NOT_SUPPORTED;
				my $mnc = NOT_SUPPORTED;
				my $mobilebrand = NOT_SUPPORTED;
				my $elevation = NOT_SUPPORTED;
				my $usagetype = NOT_SUPPORTED;
				my $addresstype = NOT_SUPPORTED;
				my $category = NOT_SUPPORTED;

				if ($IPV6_COUNTRY_POSITION[$dbtype] != 0) {
					$country_short = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_COUNTRY_POSITION[$dbtype]+2), 4)));
					$country_long = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_COUNTRY_POSITION[$dbtype]+2), 4)) + 3);
				}
				if ($IPV6_REGION_POSITION[$dbtype] != 0) {
					$region = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_REGION_POSITION[$dbtype]+2), 4)));
				}
				if ($IPV6_CITY_POSITION[$dbtype] != 0) {
					$city = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_CITY_POSITION[$dbtype]+2), 4)));
				}
				if ($IPV6_ISP_POSITION[$dbtype] != 0) {
					$isp = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_ISP_POSITION[$dbtype]+2), 4)));
				}
				if ($IPV6_LATITUDE_POSITION[$dbtype] != 0) {
					$latitude = $obj->readFloat(substr($raw_positions_row, 4 * ($IPV6_LATITUDE_POSITION[$dbtype]+2)));
					$latitude = sprintf("%.6f", $latitude);
				}
				if ($IPV6_LONGITUDE_POSITION[$dbtype] != 0) {
					$longitude = $obj->readFloat(substr($raw_positions_row, 4 * ($IPV6_LONGITUDE_POSITION[$dbtype]+2)));
					$longitude = sprintf("%.6f", $longitude);
				}
				if ($IPV6_DOMAIN_POSITION[$dbtype] != 0) {
					$domain = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_DOMAIN_POSITION[$dbtype]+2), 4)));
				}
				if ($IPV6_ZIPCODE_POSITION[$dbtype] != 0) {
					$zipcode = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_ZIPCODE_POSITION[$dbtype]+2), 4)));
				}
				if ($IPV6_TIMEZONE_POSITION[$dbtype] != 0) {
					$timezone = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_TIMEZONE_POSITION[$dbtype]+2), 4)));
				}
				if ($IPV6_NETSPEED_POSITION[$dbtype] != 0) {
					$netspeed = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_NETSPEED_POSITION[$dbtype]+2), 4)));
				}
				if ($IPV6_IDDCODE_POSITION[$dbtype] != 0) {
					$iddcode = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_IDDCODE_POSITION[$dbtype]+2), 4)));
				}
				if ($IPV6_AREACODE_POSITION[$dbtype] != 0) {
					$areacode = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_AREACODE_POSITION[$dbtype]+2), 4)));
				}
				if ($IPV6_WEATHERSTATIONCODE_POSITION[$dbtype] != 0) {
					$weatherstationcode = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_WEATHERSTATIONCODE_POSITION[$dbtype]+2), 4)));
				}
				if ($IPV6_WEATHERSTATIONNAME_POSITION[$dbtype] != 0) {
					$weatherstationname = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_WEATHERSTATIONNAME_POSITION[$dbtype]+2), 4)));
				}
				if ($IPV6_MCC_POSITION[$dbtype] != 0) {
					$mcc = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_MCC_POSITION[$dbtype]+2), 4)));
				}
				if ($IPV6_MNC_POSITION[$dbtype] != 0) {
					$mnc = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_MNC_POSITION[$dbtype]+2), 4)));
				}
				if ($IPV6_MOBILEBRAND_POSITION[$dbtype] != 0) {
					$mobilebrand = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_MOBILEBRAND_POSITION[$dbtype]+2), 4)));
				}
				if ($IPV6_ELEVATION_POSITION[$dbtype] != 0) {
					$elevation = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_ELEVATION_POSITION[$dbtype]+2), 4)));
				}
				if ($IPV6_USAGETYPE_POSITION[$dbtype] != 0) {
					$usagetype = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_USAGETYPE_POSITION[$dbtype]+2), 4)));
				}
				if ($IPV6_ADDRESSTYPE_POSITION[$dbtype] != 0) {
					$addresstype = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_ADDRESSTYPE_POSITION[$dbtype]+2), 4)));
				}
				if ($IPV6_CATEGORY_POSITION[$dbtype] != 0) {
					$category = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_CATEGORY_POSITION[$dbtype]+2), 4)));
				}
				return ($country_short, $country_long, $region, $city, $latitude, $longitude, $zipcode, $timezone, $isp, $domain, $netspeed, $iddcode, $areacode, $weatherstationcode, $weatherstationname, $mcc, $mnc, $mobilebrand, $elevation, $usagetype, $addresstype, $category);
			}
			if ($mode == COUNTRYSHORT) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_COUNTRY_POSITION[$dbtype]+2), 4)));
			}
			if ($mode == COUNTRYLONG) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_COUNTRY_POSITION[$dbtype]+2), 4)) + 3);
			}
			if ($mode == REGION) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_REGION_POSITION[$dbtype]+2), 4)));
			}
			if ($mode == CITY) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_CITY_POSITION[$dbtype]+2), 4)));
			}
			if ($mode == ISP) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_ISP_POSITION[$dbtype]+2), 4)));
			}
			if ($mode == LATITUDE) {
				my $lat = $obj->readFloat(substr($raw_positions_row, 4 * ($IPV6_LATITUDE_POSITION[$dbtype]+2)));
				$lat = sprintf("%.6f", $lat);
				return $lat;
			}
			if ($mode == LONGITUDE) {
				my $lon = $obj->readFloat(substr($raw_positions_row, 4 * ($IPV6_LONGITUDE_POSITION[$dbtype]+2)));
				$lon = sprintf("%.6f", $lon);
				return $lon;
			}
			if ($mode == DOMAIN) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_DOMAIN_POSITION[$dbtype]+2), 4)));
			}
			if ($mode == ZIPCODE) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_ZIPCODE_POSITION[$dbtype]+2), 4)));
			}
			if ($mode == TIMEZONE) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_TIMEZONE_POSITION[$dbtype]+2), 4)));
			}
			if ($mode == NETSPEED) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_NETSPEED_POSITION[$dbtype]+2), 4)));
			}
			if ($mode == IDDCODE) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_IDDCODE_POSITION[$dbtype]+2), 4)));
			}
			if ($mode == AREACODE) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_AREACODE_POSITION[$dbtype]+2), 4)));
			}
			if ($mode == WEATHERSTATIONCODE) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_WEATHERSTATIONCODE_POSITION[$dbtype]+2), 4)));
			}
			if ($mode == WEATHERSTATIONNAME) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_WEATHERSTATIONNAME_POSITION[$dbtype]+2), 4)));
			}
			if ($mode == MCC) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_MCC_POSITION[$dbtype]+2), 4)));
			}
			if ($mode == MNC) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_MNC_POSITION[$dbtype]+2), 4)));
			}
			if ($mode == MOBILEBRAND) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_MOBILEBRAND_POSITION[$dbtype]+2), 4)));
			}
			if ($mode == ELEVATION) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_ELEVATION_POSITION[$dbtype]+2), 4)));
			}
			if ($mode == USAGETYPE) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_USAGETYPE_POSITION[$dbtype]+2), 4)));
			}
			if ($mode == ADDRESSTYPE) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_ADDRESSTYPE_POSITION[$dbtype]+2), 4)));
			}
			if ($mode == CATEGORY) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IPV6_CATEGORY_POSITION[$dbtype]+2), 4)));
			}
		} else {
			if ($ipno < $ipfrom) {
				$high = $mid - 1;
			} else {
				$low = $mid + 1;
			}
		}
	}
	if ($mode == ALL) {
		return (UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN);
	} else {
		return UNKNOWN;
	}
}

sub get_ipv4_record {
	my $obj = shift(@_);
	my $ipnum = shift(@_);
	my $mode = shift(@_);
	my $dbtype= $obj->{"databasetype"};

	if ($ipnum eq "") {
		if ($mode == ALL) {
			return (NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP, NO_IP);
		} else {
			return NO_IP;
		}
	}

	if (($mode == COUNTRYSHORT) && ($COUNTRY_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == COUNTRYLONG) && ($COUNTRY_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == REGION) && ($REGION_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == CITY) && ($CITY_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == ISP) && ($ISP_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == LATITUDE) && ($LATITUDE_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == LONGITUDE) && ($LONGITUDE_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == DOMAIN) && ($DOMAIN_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == ZIPCODE) && ($ZIPCODE_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == TIMEZONE) && ($TIMEZONE_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == NETSPEED) && ($NETSPEED_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == IDDCODE) && ($IDDCODE_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == AREACODE) && ($AREACODE_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == WEATHERSTATIONCODE) && ($WEATHERSTATIONCODE_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == WEATHERSTATIONNAME) && ($WEATHERSTATIONNAME_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == MCC) && ($MCC_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == MNC) && ($MNC_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == MOBILEBRAND) && ($MOBILEBRAND_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == ELEVATION) && ($ELEVATION_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == USAGETYPE) && ($USAGETYPE_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == ADDRESSTYPE) && ($ADDRESSTYPE_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}
	if (($mode == CATEGORY) && ($CATEGORY_POSITION[$dbtype] == 0)) {
		return NOT_SUPPORTED;
	}

	my $realipno = $ipnum;
	my $handle = $obj->{"filehandle"};
	my $baseaddr = $obj->{"ipv4databaseaddr"};
	my $dbcount = $obj->{"ipv4databasecount"};
	my $dbcolumn = $obj->{"databasecolumn"};
	my $indexbaseaddr = $obj->{"ipv4indexbaseaddr"};

	my $ipnum1_2 = int($ipnum >> 16);
	my $indexaddr = $indexbaseaddr + ($ipnum1_2 << 3);

	my $low = 0;
	my $high = $dbcount;
	if ($indexbaseaddr > 0) {
		($low, $high) = $obj->read32x2($handle, $indexaddr);
	}
	my $mid = 0;
	my $ipfrom = 0;
	my $ipto = 0;
	my $ipno = 0;

	if ($realipno == MAX_IPV4_RANGE) {
		$ipno = $realipno - 1;
	} else {
		$ipno = $realipno;
	}

	my $raw_positions_row;

	while ($low <= $high) {
		$mid = int(($low + $high) >> 1);

		($ipfrom, $ipto, $raw_positions_row) = $obj->readRow32($handle, $baseaddr + $mid * $dbcolumn * 4, $dbcolumn);

		if (($ipno >= $ipfrom) && ($ipno < $ipto)) {
			if ($mode == ALL) {
				my $country_short = NOT_SUPPORTED;
				my $country_long = NOT_SUPPORTED;
				my $region = NOT_SUPPORTED;
				my $city = NOT_SUPPORTED;
				my $isp = NOT_SUPPORTED;
				my $latitude = NOT_SUPPORTED;
				my $longitude = NOT_SUPPORTED;
				my $domain = NOT_SUPPORTED;
				my $zipcode = NOT_SUPPORTED;
				my $timezone = NOT_SUPPORTED;
				my $netspeed = NOT_SUPPORTED;
				my $iddcode = NOT_SUPPORTED;
				my $areacode = NOT_SUPPORTED;
				my $weatherstationcode = NOT_SUPPORTED;
				my $weatherstationname = NOT_SUPPORTED;
				my $mcc = NOT_SUPPORTED;
				my $mnc = NOT_SUPPORTED;
				my $mobilebrand = NOT_SUPPORTED;
				my $elevation = NOT_SUPPORTED;
				my $usagetype = NOT_SUPPORTED;
				my $addresstype = NOT_SUPPORTED;
				my $category = NOT_SUPPORTED;

				if ($COUNTRY_POSITION[$dbtype] != 0) {
					$country_short = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($COUNTRY_POSITION[$dbtype]-1), 4)));
					$country_long = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($COUNTRY_POSITION[$dbtype]-1), 4)) + 3);
				}

				if ($REGION_POSITION[$dbtype] != 0) {
					$region = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($REGION_POSITION[$dbtype]-1), 4)));
				}
				if ($CITY_POSITION[$dbtype] != 0) {
					$city = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($CITY_POSITION[$dbtype]-1), 4)));
				}
				if ($ISP_POSITION[$dbtype] != 0) {
					$isp = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($ISP_POSITION[$dbtype]-1), 4)));
				}
				if ($LATITUDE_POSITION[$dbtype] != 0) {
					$latitude = $obj->readFloat(substr($raw_positions_row, 4 * ($LATITUDE_POSITION[$dbtype]-1), 4));
					$latitude = sprintf("%.6f", $latitude);
				}
				if ($LONGITUDE_POSITION[$dbtype] != 0) {
					$longitude = $obj->readFloat(substr($raw_positions_row, 4 * ($LONGITUDE_POSITION[$dbtype]-1), 4));
					$longitude = sprintf("%.6f", $longitude);
				}
				if ($DOMAIN_POSITION[$dbtype] != 0) {
					$domain = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($DOMAIN_POSITION[$dbtype]-1), 4)));
				}
				if ($ZIPCODE_POSITION[$dbtype] != 0) {
					$zipcode = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($ZIPCODE_POSITION[$dbtype]-1), 4)));
				}
				if ($TIMEZONE_POSITION[$dbtype] != 0) {
					$timezone = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($TIMEZONE_POSITION[$dbtype]-1), 4)));
				}
				if ($NETSPEED_POSITION[$dbtype] != 0) {
					$netspeed = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($NETSPEED_POSITION[$dbtype]-1), 4)));
				}
				if ($IDDCODE_POSITION[$dbtype] != 0) {
					$iddcode = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IDDCODE_POSITION[$dbtype]-1), 4)));
				}
				if ($AREACODE_POSITION[$dbtype] != 0) {
					$areacode = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($AREACODE_POSITION[$dbtype]-1), 4)));
				}
				if ($WEATHERSTATIONCODE_POSITION[$dbtype] != 0) {
					$weatherstationcode = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($WEATHERSTATIONCODE_POSITION[$dbtype]-1), 4)));
				}
				if ($WEATHERSTATIONNAME_POSITION[$dbtype] != 0) {
					$weatherstationname = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($WEATHERSTATIONNAME_POSITION[$dbtype]-1), 4)));
				}
				if ($MCC_POSITION[$dbtype] != 0) {
					$mcc = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($MCC_POSITION[$dbtype]-1), 4)));
				}
				if ($MNC_POSITION[$dbtype] != 0) {
					$mnc = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($MNC_POSITION[$dbtype]-1), 4)));
				}
				if ($MOBILEBRAND_POSITION[$dbtype] != 0) {
					$mobilebrand = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($MOBILEBRAND_POSITION[$dbtype]-1), 4)));
				}
				if ($ELEVATION_POSITION[$dbtype] != 0) {
					$elevation = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($ELEVATION_POSITION[$dbtype]-1), 4)));
				}
				if ($USAGETYPE_POSITION[$dbtype] != 0) {
					$usagetype = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($USAGETYPE_POSITION[$dbtype]-1), 4)));
				}
				if ($ADDRESSTYPE_POSITION[$dbtype] != 0) {
					$addresstype = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($ADDRESSTYPE_POSITION[$dbtype]-1), 4)));
				}
				if ($CATEGORY_POSITION[$dbtype] != 0) {
					$category = $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($CATEGORY_POSITION[$dbtype]-1), 4)));
				}
				return ($country_short, $country_long, $region, $city, $latitude, $longitude, $zipcode, $timezone, $isp, $domain, $netspeed, $iddcode, $areacode, $weatherstationcode, $weatherstationname, $mcc, $mnc, $mobilebrand, $elevation, $usagetype, $addresstype, $category);
			}
			if ($mode == COUNTRYSHORT) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($COUNTRY_POSITION[$dbtype]-1), 4)));
			}
			if ($mode == COUNTRYLONG) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($COUNTRY_POSITION[$dbtype]-1), 4)) + 3);
			}
			if ($mode == REGION) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($REGION_POSITION[$dbtype]-1), 4)));
			}
			if ($mode == CITY) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($CITY_POSITION[$dbtype]-1), 4)));
			}
			if ($mode == ISP) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($ISP_POSITION[$dbtype]-1), 4)));
			}
			if ($mode == LATITUDE) {
				my $lat = $obj->readFloat(substr($raw_positions_row, 4 * ($LATITUDE_POSITION[$dbtype]-1), 4));
				$lat = sprintf("%.6f", $lat);
				return $lat;
			}
			if ($mode == LONGITUDE) {
				my $lon = $obj->readFloat(substr($raw_positions_row, 4 * ($LONGITUDE_POSITION[$dbtype]-1), 4));
				$lon = sprintf("%.6f", $lon);
				return $lon;
			}
			if ($mode == DOMAIN) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($DOMAIN_POSITION[$dbtype]-1), 4)));
			}
			if ($mode == ZIPCODE) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($ZIPCODE_POSITION[$dbtype]-1), 4)));
			}
			if ($mode == TIMEZONE) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($TIMEZONE_POSITION[$dbtype]-1), 4)));
			}
			if ($mode == NETSPEED) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($NETSPEED_POSITION[$dbtype]-1), 4)));
			}
			if ($mode == IDDCODE) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($IDDCODE_POSITION[$dbtype]-1), 4)));
			}
			if ($mode == AREACODE) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($AREACODE_POSITION[$dbtype]-1), 4)));
			}
			if ($mode == WEATHERSTATIONCODE) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($WEATHERSTATIONCODE_POSITION[$dbtype]-1), 4)));
			}
			if ($mode == WEATHERSTATIONNAME) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($WEATHERSTATIONNAME_POSITION[$dbtype]-1), 4)));
			}
			if ($mode == MCC) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($MCC_POSITION[$dbtype]-1), 4)));
			}
			if ($mode == MNC) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($MNC_POSITION[$dbtype]-1), 4)));
			}
			if ($mode == MOBILEBRAND) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($MOBILEBRAND_POSITION[$dbtype]-1), 4)));
			}
			if ($mode == ELEVATION) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($ELEVATION_POSITION[$dbtype]-1), 4)));
			}
			if ($mode == USAGETYPE) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($USAGETYPE_POSITION[$dbtype]-1), 4)));
			}
			if ($mode == ADDRESSTYPE) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($ADDRESSTYPE_POSITION[$dbtype]-1), 4)));
			}
			if ($mode == CATEGORY) {
				return $obj->readStr($handle, unpack("V", substr($raw_positions_row, 4 * ($CATEGORY_POSITION[$dbtype]-1), 4)));
			}
		} else {
			if ($ipno < $ipfrom) {
				$high = $mid - 1;
			} else {
				$low = $mid + 1;
			}
		}
	}
	if ($mode == ALL) {
		return (UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN, UNKNOWN);
	} else {
		return UNKNOWN;
	}
}

sub readRow32 {
	my ($obj, $handle, $position, $column) = @_;
	my $data = "";
	my $data_length = $column * 4 + 4;
	seek($handle, $position-1, 0);
	read($handle, $data, $data_length);
	my $ipfrom = substr($data, 0, 4);
	my $ipfrom_next = substr($data, $data_length - 4, 4);
	my $result_row = substr($data, 0, $data_length - 4);
	return (unpack("V", $ipfrom), unpack("V", $ipfrom_next), $result_row);
}

sub readRow128 {
	my ($obj, $handle, $position, $column) = @_;
	my $data = "";
	my $data_length = $column * 4 + 12 + 16;
	seek($handle, $position-1, 0);
	read($handle, $data, $data_length);
	my $ipfrom = substr($data, 0, 16);
	my $ipfrom_next = substr($data, $data_length - 16, 16);
	my $result_row = substr($data, 0, $data_length - 16);
	return (&bytesInt($ipfrom), &bytesInt($ipfrom_next), $result_row);
}

sub read512 {
	my ($obj, $handle, $position) = @_;
	my $data = "";
	seek($handle, $position-1, 0);
	read($handle, $data, 64);
	my @data_array = split('', $data);
	while ($#data_array < 63) {
		$data_array[$#data_array+1] = 0x00;
	}
	return @data_array;
}

sub read32x2 {
	my ($obj, $handle, $position) = @_;
	my $data = "";
	seek($handle, $position-1, 0);
	read($handle, $data, 8);
	my $data_1 = substr($data, 0, 4);
	my $data_2 = substr($data, 4, 4);
	return (unpack("V", $data_1), unpack("V", $data_2));
}

sub read128 {
	my ($obj, $handle, $position) = @_;
	my $data = "";
	seek($handle, $position-1, 0);
	read($handle, $data, 16);
	return &bytesInt($data);
}

sub read32 {
	my ($obj, $handle, $position) = @_;
	my $data = "";
	seek($handle, $position-1, 0);
	read($handle, $data, 4);
	return unpack("V", $data);
}

sub read8 {
	my ($obj, $handle, $position) = @_;
	my $data = "";
	seek($handle, $position-1, 0);
	read($handle, $data, 1);
	return unpack("C", $data);
}

sub readStr {
	my ($obj, $handle, $position) = @_;
	my $data = "";
	seek($handle, $position, 0);
	read($handle, $data, 257);
	my $char_count = unpack("C", substr($data, 0, 1));
	my $string = substr($data, 1, $char_count);
	return $string;
}

sub readFloat {
	my ($obj, $data) = @_;
	my $is_little_endian = unpack("h*", pack("s", 1));
	if ($is_little_endian =~ m/^1/) {
		# "LITTLE ENDIAN - x86\n";
		return unpack("f", $data);
	} else {
		# "BIG ENDIAN - MAC\n";
		return unpack("f", reverse($data));
	}
}

sub bytesInt {
	my $binip = shift(@_);
	my @array = split(//, $binip);
	return 0 if ($#array != 15);
	my $ip96_127 = unpack("V", $array[0] . $array[1] . $array[2] . $array[3]);
	my $ip64_95 = unpack("V", $array[4] . $array[5] . $array[6] . $array[7]);
	my $ip32_63 = unpack("V", $array[8] . $array[9] . $array[10] . $array[11]);
	my $ip1_31 = unpack("V", $array[12] . $array[13] . $array[14] . $array[15]);

	my $big1 = Math::BigInt->new("$ip96_127");
	my $big2 = Math::BigInt->new("$ip64_95")->blsft(32);
	my $big3 = Math::BigInt->new("$ip32_63")->blsft(64);
	my $big4 = Math::BigInt->new("$ip1_31")->blsft(96);
	$big1 = $big1->badd($big2)->badd($big3)->badd($big4);

	return $big1->bstr();
}

sub validate_ip {
	my $obj = shift(@_);
	my $ip = shift(@_);
	my $ipv = -1;
	my $ipnum = -1;
	#name server lookup if domain name
	$ip = $obj->name2ip($ip);

	if ($obj->ip_is_ipv4($ip)) {
		#ipv4 address
		$ipv = 4;
		$ipnum = $obj->ip2no($ip);
	} else {
		#expand ipv6 address
		$ip = $obj->expand_ipv6_address($ip);
		if ($obj->ip_is_ipv6($ip)) {
			#ipv6 address
			$ipv = 6;
			$ipnum = $obj->hex2int($ip);

			#reformat ipv4 address in ipv6
			if (($ipnum >= 281470681743360) && ($ipnum <= 281474976710655)) {
				$ipv = 4;
				$ipnum = $ipnum - 281470681743360;
			}

			#reformat 6to4 address to ipv4 address 2002:: to 2002:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF
			if (($ipnum >= 42545680458834377588178886921629466624) && ($ipnum <= 42550872755692912415807417417958686719)) {
				$ipv = 4;
				#bitshift right 80 bits
				$ipnum->brsft(80);
				#bitwise modulus to get the last 32 bit
				$ipnum->bmod(4294967296);
			}

			#reformat Teredo address to ipv4 address 2001:0000:: to 2001:0000:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:
			if (($ipnum >= 42540488161975842760550356425300246528) && ($ipnum <= 42540488241204005274814694018844196863)) {
				$ipv = 4;
				$ipnum = Math::BigInt->new($ipnum);
				#bitwise not to invert binary
				$ipnum->bnot();
				#bitwise modulus to get the last 32 bit
				$ipnum->bmod(4294967296);
			}

		} else {
			#not IPv4 and IPv6
		}
	}
	return ($ipv, $ipnum);
}

sub expand_ipv6_address {
	my $obj = shift(@_);
	my $ip = shift(@_);
	$ip =~ s/\:\:/\:Z\:/;
	my @ip = split(/\:/, $ip);
	my $num = scalar(@ip);

	my $l = 8;
	if ($ip[$#ip] =~ /^(\d+)\.(\d+)\.(\d+)\.(\d+)$/) {
		my $a = sprintf("%x", ($1*256 + $2));
		my $b = sprintf("%x", ($3*256 + $4));
		$ip[$#ip] = $a;
		$ip[$#ip+1] = $b;
		$l--;
	}

	if ($#ip == 8) {
		shift(@ip);
		$l++;
	}

	foreach (0..(scalar(@ip)-1)) {
		next if (length($ip[$_]) > 3);
		$ip[$_] = ('0'x(4-length($ip[$_]))).$ip[$_];
	}

	foreach (0..(scalar(@ip)-1)) {
		next unless ($ip[$_] eq '000Z');
		my @empty = map { $_ = '0'x4 } (0..7);
		$ip[$_] = join(':', @empty[0..$l-$num]);
		last;
	}

	return (uc(join ':', @ip));
}

sub hex2int {
	my $obj = shift(@_);
	my $hexip = shift(@_);

	$hexip =~ s/\://g;

	unless (length($hexip) == 32) {
		return 0;
	};

	my $binip = unpack('B128', pack('H32', $hexip));
	my ($n, $dec) = (Math::BigInt->new(1), Math::BigInt->new(0));

	foreach (reverse (split('', $binip))) {
		$_ && ($dec += $n);
		$n *= 2;
	}

	$dec =~ s/^\+//;
	return $dec;
}

sub ip2no {
	my $obj = shift(@_);
	my $ip = shift(@_);
	my @block = split(/\./, $ip);
	my $no = 0;
	$no = $block[3];
	$no = $no + $block[2] * 256;
	$no = $no + $block[1] * 256 * 256;
	$no = $no + $block[0] * 256 * 256 * 256;
	return $no;
}

sub name2ip {
  my $obj = shift(@_);
  my $host = shift(@_);
  my $ip_address = "";
  if (($host =~ m/^$IPv4_re$/) || ($host =~ m/^$IPv6_re$/) || ($host =~ m/^\:\:$/)) {
    $ip_address = $host;
  } else {
  	# TO_DO: Can we return IPv6 address too?
  	my @hostname = gethostbyname($host);
  	if ($#hostname < 4) {
  		$ip_address = $host;
  	} else {
  		$ip_address = join('.', unpack('C4', $hostname[4]));
  	}
  }
  return $ip_address;
}

sub ip_is_ipv4 {
	my $obj = shift(@_);
	my $ip = shift(@_);
	if ($ip =~ m/^$IPv4_re$/) {
		my @octet = split(/\./, $ip);
		foreach my $i (0 .. $#octet) {
			return 0 if (($octet[$i] > 255) || ($octet[$i] < 0));
		}
		return 1;
	} else {
		return 0;
	}
}

sub ip_is_ipv6 {
	my $obj = shift(@_);
	my $ip = shift(@_);
	if (($ip =~ m/^$IPv6_re$/) || ($ip =~ m/^$IPv4_re$/) || ($ip =~ m/^\:\:$/)) {
		return 1;
	} else {
		return 0;
	}
}

1;
__END__