#!/usr/bin/env perl
use strict;
# use CGI;
use DBI;
use Geo::IP;
use POSIX qw(floor);
# my ($page);
# Database connection.
my ($dsn) = "DBI:mysql:database=eprintstats;host=localhost";
my ($user_name) = "eprintstatspub";
my ($password) = "AuldGrizzel";
my ( $connect, $query, %types, %unmapped, $stat, $row, $num_rows, $vtype );
# Geolocation database.
my ($gi);
my ($gidb) = '/usr/local/share/GeoIP/GeoLiteCity.dat';
# Longitude adjustment lookup table. The size of a degree of longitude
# shrinks as we approach the pole, so we need to scale the size of the
# bars that we draw to compensate. The values are derived from simple
# trigonometry. One degree latitude intervals is probably overkill, but
# it was easy to generate and is probably also easier to process (we just
# take the absolute value and round to the nearest integer).
my (@long_adjust) = (
1, 1.000149936, 1.000625031, 1.001401156, 1.002504822, 1.003938193, 1.005527222, 1.007577665, 1.009814805, 1.012548385,
1.015451362, 1.018863602, 1.022455549, 1.026414998, 1.030723667, 1.035416774, 1.040342076, 1.045806114, 1.051493576, 1.057774136,
1.064328263, 1.071308119, 1.07855449, 1.086459634, 1.094691064, 1.103413101, 1.112646298, 1.122444401, 1.132640933, 1.143416279,
1.154798315, 1.166647234, 1.179193306, 1.192438327, 1.206420497, 1.220995149, 1.236155295, 1.252205744, 1.269161249, 1.286871805,
1.30559452, 1.325133265, 1.34585379, 1.367512898, 1.390218486, 1.414290258, 1.439883436, 1.466366234, 1.494622451, 1.52427924,
1.555922715, 1.589286423, 1.624573794, 1.661877673, 1.701368815, 1.743769606, 1.788337802, 1.836254359, 1.887432209, 1.94210986,
2.000049973, 2.062828574, 2.130469499, 2.203424356, 2.281552845, 2.366264633, 2.459472746, 2.560324974, 2.669801881, 2.7913935,
2.924802689, 3.072783109, 3.236797412, 3.421061629, 3.629874841, 3.865462623, 4.133753357, 4.448482828, 4.811613369, 5.242729893,
5.759533746, 6.395493768, 7.190621631, 8.209846154, 9.579463858, 11.47777459, 14.35030477, 19.13145315, 28.71090387, 57.42180775,
57.42180775,
);
# Miscellaneous variables.
my ( %cities, %IPs );
my ($num_entries) = -1;
my ($num_hits) = 0;
my ( $ip, $count, $location, $country );
my ( $lat, $long, $city, $key ) = ( 0, 0, '', '' );
my ( $maxcolour, $red, $blue );
# A degree of latitude is always of constant length, so define it globally.
# The length of a degree of longitude changes depending on the latitude.
my ( $latsize ) = 0.075;
# $page = new CGI;
# print $page->header( -type => "text/xml", -Pragma => 'no-cache' );
$num_entries = -1;#$page->param('top');
$gi = Geo::IP->open( $gidb, GEOIP_STANDARD )
or die "Unable to open GeoIP database $gidb\n";
$connect = DBI->connect( $dsn, $user_name, $password, { RaiseError => 1 } );
$types{'download'} = $types{'abstract'} = 0;
$unmapped{'download'} = $unmapped{'abstract'} = 0;
$query = "SELECT ip, view_type, country_name, COUNT(*) AS count
FROM view
GROUP BY ip, view_type, country_name
ORDER BY count DESC" . ( ( $num_entries > 0 ) ? " LIMIT $num_entries" : '' );
$stat = $connect->prepare($query);
$stat->execute();
$num_rows = $stat->rows;
if ( $num_rows > 0 )
{
$num_entries = $num_rows if ( $num_entries < 1 );
while ( $row = $stat->fetchrow_hashref() )
{
$ip = $row->{'ip'};
$count = $row->{'count'};
$country = $row->{'country_name'};
$country = 'New Zealand' if ( ( $country eq 'Otago Intranet' ) || ( $country eq 'Repository Admin' ) );
$vtype = $row->{'view_type'};
$IPs{$ip} = 1;
$location = $gi->record_by_addr($ip);
if ( defined($location) )
{
$lat = $location->latitude;
$long = $location->longitude;
if ( $location->city eq '' )
{
$city = $country . ' (unidentified)';
$key = sprintf( "!%s (%f, %f)", $country, $lat, $long );
}
else
{
$city = $location->city;
$key = sprintf( "%s %s", $city, $country );
}
# print "$key\t$city\t$country\t$lat\t$long\t$count\t$vtype\n";
# If there are multiple points for the same city in
# the same country, we accumulate the lats and longs for these
# points and keep a track of how many points there are in total,
# so that we can work out a weighted average latlong for the
# city. Note that this assumes that each city name only exists
# once within a country, i.e., it will break if there are
# multiple cities with the same name in the same country!
if ( !defined( $cities{$key} ) )
{
$cities{$key}{'name'} = $city;
$cities{$key}{'lat'} = 0;
$cities{$key}{'long'} = 0;
$cities{$key}{'abstract'} = 0;
$cities{$key}{'download'} = 0;
$cities{$key}{'num_points'} = 0;
}
$cities{$key}{'lat'} += $lat;
$cities{$key}{'long'} += $long;
$cities{$key}{$vtype} += $count;
$types{$vtype} += $count;
$cities{$key}{'num_points'}++;
}
else
{
$unmapped{$vtype} += $count;
}
}
# exit 0;
# Average the location of multiple points for the same city, weighted
# by the number of hits for each point.
foreach $city ( keys %cities )
{
$cities{$city}{'lat'} = $cities{$city}{'lat'} / $cities{$city}{'num_points'};
$cities{$city}{'long'} = $cities{$city}{'long'} / $cities{$city}{'num_points'};
}
# Need to wait until we have all the counts before writing the data out.
print '<?xml version="1.0"?>
<kml xmlns="http://earth.google.com/kml/2.1">
<Document>
<name>Otago Eprints Repository: Usage Statistics</name>
<description>Visualisation of usage statistics for the EPrints repository at the School of Business, University of Otago, Dunedin, New Zealand. Statistics are cumulative since November 17 2005.</description>
<Folder>
<name>Locations (identified)</name>
<description>Locations from which the repository has been accessed. The icon is colour-coded according to the relative proportion of abstract views (blue) versus document downloads (red). Only identified locations are displayed.</description>
<visibility>0</visibility>';
# Plot known location icons as a separate folder so that we can turn them
# on and off as a group.
foreach $city ( keys %cities )
{
# Exclude unknown locations.
if ( $city !~ /^!/ )
{
make_icon(
$cities{$city}{'name'},
$cities{$city}{'download'},
$cities{$city}{'abstract'},
$cities{$city}{'lat'},
$cities{$city}{'long'}
);
}
}
print '
</Folder>
<Folder>
<name>Locations (unidentified)</name>
<description>Locations from which the repository has been accessed. The icon is colour-coded according to the relative proportion of abstract views (blue) versus document downloads (red). Only unidentified locations are displayed.</description>
<visibility>0</visibility>';
# Plot known location icons as a separate folder so that we can turn them
# on and off as a group.
foreach $city ( keys %cities )
{
# Exclude known locations.
if ( $city =~ /^!/ )
{
make_icon(
$cities{$city}{'name'},
$cities{$city}{'download'},
$cities{$city}{'abstract'},
$cities{$city}{'lat'},
$cities{$city}{'long'}
);
}
}
print '
</Folder>
<Folder>
<name>Volume (known locations)</name>
<description>The volume of abstract views (blue) and document downloads (red), represented as a bar chart. Each 1,000 metres of height represents one abstract view or document download. Only known locations are displayed.</description>
<visibility>0</visibility>';
# Plot volume bars for known locations as a separate folder so that
# we can turn them on and off as a group.
foreach $city ( keys %cities )
{
# Exclude unknown locations because they mess up the display somewhat.
if ( $city !~ /^!/ )
{
make_bar(
$cities{$city}{'name'},
$cities{$city}{'download'},
$cities{$city}{'lat'},
$cities{$city}{'long'},
'download'
);
make_bar(
$cities{$city}{'name'},
$cities{$city}{'abstract'},
$cities{$city}{'lat'},
$cities{$city}{'long'},
'abstract'
);
}
}
print '
</Folder>
<Folder>
<name>Volume (unknown locations)</name>
<description>The volume of abstract views (blue) and document downloads (red), represented as a bar chart. Each 1,000 metres of height represents one abstract view or document download. Only unknown locations are displayed.</description>
<visibility>0</visibility>';
# Plot volume bars for unknown locations as a separate folder so that
# we can turn them on and off as a group.
foreach $city ( keys %cities )
{
# Include unknown locations only.
if ( $city =~ /^!/ )
{
make_bar(
$cities{$city}{'name'},
$cities{$city}{'download'},
$cities{$city}{'lat'},
$cities{$city}{'long'},
'download'
);
make_bar(
$cities{$city}{'name'},
$cities{$city}{'abstract'},
$cities{$city}{'lat'},
$cities{$city}{'long'},
'abstract'
);
}
}
print '
</Folder>
</Document>
</kml>
';
}
$stat->finish();
$connect->disconnect();
sub round
{
my ( $n ) = shift;
return int( $n + 0.5 * ( $n <=> 0 ) );
}
sub make_icon
{
my ( $name, $download, $abstract, $lat, $long ) = @_;
my ($maxcolour) = $download + $abstract;
my ($red) = round( $download / $maxcolour * 255 );
my ($blue) = round( $abstract / $maxcolour * 255 );
print '
<Placemark>
<name>'
. $name
. '</name>
<visibility>0</visibility>
<description>
<![CDATA[<span style="color:red;">'
. $download
. ' download'
. ( ( $download != 1 ) ? 's' : '' )
. '</span>, <span style="color:blue;">'
. $abstract
. ' abstract'
. ( ( $abstract != 1 ) ? 's' : '' )
. '</span>]]>
</description>
<Style>
<IconStyle>
<color>'
. sprintf( 'ff%02x00%02x', $blue, $red )
. '</color>
<Icon>
<href>root://icons/palette-4.png</href>
<x>96</x>
<y>128</y>
<w>32</w>
<h>32</h>
</Icon>
</IconStyle>
</Style>
<LookAt>
<longitude>'
. $long
. '</longitude>
<latitude>'
. $lat
. '</latitude>
<range>540.68</range>
<tilt>0</tilt>
<heading>3</heading>
</LookAt>
<Point>
<coordinates>'
. $long . ','
. $lat
. ',0</coordinates>
</Point>
</Placemark>';
}
sub make_bar
{
my ( $name, $count, $lat, $long, $type ) = @_;
# Work out the longitudinal width of the bar adjusted for the latitude.
# The latitude size is constant.
my ( $longsize ) = latitude_adjust( $lat, $latsize * 2 );
# A download bar starts $longsize degrees to the west of $long.
# An abstract bar starts at $long.
$long -= $longsize if ( $type eq 'download' );
print '
<Placemark>
<name>'
. $name
. '</name>
<visibility>0</visibility>
<description>
<![CDATA[<span style="color:'
. ( ( $type eq 'download' ) ? 'red' : 'blue' )
. ';">'
. $count
. ' '
. $type
. ( ( $count != 1 ) ? 's' : '' )
. '</span>]]>
</description>
<Style>
<PolyStyle>
<color>c0'
. ( ( $type eq 'abstract' ) ? 'ff' : '00' )
. '00'
. ( ( $type eq 'download' ) ? 'ff' : '00' )
. '</color>
</PolyStyle>
</Style>
<Polygon>
<extrude>1</extrude>
<altitudeMode>relativeToGround</altitudeMode>
<outerBoundaryIs>
<LinearRing>
<coordinates>
' . $long . ',' . ($lat - $latsize) . ',' . ($count * 1000) . '
' . $long . ',' . ($lat + $latsize) . ',' . ($count * 1000) . '
' . ($long + $longsize) . ',' . ($lat + $latsize) . ',' . ($count * 1000) . '
' . ($long + $longsize) . ',' . ($lat - $latsize) . ',' . ($count * 1000) . '
' . $long . ',' . ($lat - $latsize) . ',' . ($count * 1000) . '
</coordinates>
</LinearRing>
</outerBoundaryIs>
</Polygon>
</Placemark>';
}
sub latitude_adjust
{
my ( $lat, $angle ) = @_;
$lat = round( abs( $lat ) );
return ( $long_adjust[$lat] * $angle );
}
