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#
# $Id$
#
# database::rir Brik
#
package Metabrik::Database::Rir;
use strict;
use warnings;

# Some history:
# http://www.apnic.net/about-APNIC/organization/history-of-apnic/history-of-the-regional-internet-registries

use base qw(Metabrik);

sub brik_properties {
   return {
      revision => '$Revision$',
      tags => [ qw(unstable as country subnet) ],
      author => 'GomoR <GomoR[at]metabrik.org>',
      license => 'http://opensource.org/licenses/BSD-3-Clause',
      attributes => {
         datadir => [ qw(datadir) ],
         input => [ qw(input.rir) ],
         _read => [ qw(INTERNAL) ],
      },
      attributes_default => {
         input => 'input.rir',
      },
      commands => {
         update => [ ],
         next_record => [ qw(input|OPTIONAL) ],
         ip_to_asn => [ qw(ipv4_address) ],
      },
      require_modules => {
         'Metabrik::Client::Www' => [ ],
         'Metabrik::File::Read' => [ ],
         'Metabrik::Network::Address' => [ ],
      },
   };
}

sub update {
   my $self = shift;

   my @urls = qw(
      ftp://ftp.arin.net/pub/stats/arin/delegated-arin-extended-latest
      ftp://ftp.ripe.net/ripe/stats/delegated-ripencc-extended-latest
      ftp://ftp.afrinic.net/pub/stats/afrinic/delegated-afrinic-extended-latest
      ftp://ftp.apnic.net/pub/stats/apnic/delegated-apnic-extended-latest
      ftp://ftp.lacnic.net/pub/stats/lacnic/delegated-lacnic-extended-latest
   );

   my $datadir = $self->datadir;

   my $cw = Metabrik::Client::Www->new_from_brik_init($self) or return;

   my @fetched = ();
   for my $url (@urls) {
      $self->log->verbose("update: fetching url [$url]");

      (my $filename = $url) =~ s/^.*\/(.*?)$/$1/;

      my $output = $datadir.'/'.$filename;
      my $r = $cw->mirror($url, $filename, $datadir);
      if (! defined($r)) {
         $self->log->warning("update: can't fetch url [$url]");
         next;
      }
      if (@$r == 0) { # Nothing new
         next;
      }
      push @fetched, $output;
   }

   return \@fetched;
}

sub next_record {
   my $self = shift;
   my ($input) = @_;

   my $fr = $self->_read;
   if (! defined($fr)) {
      $input ||= $self->datadir.'/'.$self->input;
      $self->brik_help_run_file_not_found('next_record', $input) or return;

      $fr = Metabrik::File::Read->new_from_brik_init($self) or return;
      $fr->encoding('ascii');
      $fr->input($input);
      $fr->as_array(0);
      $fr->open or return;
      $self->_read($fr);
   }

   my $na = Metabrik::Network::Address->new_from_brik_init($self) or return;

   # 2|afrinic|20150119|4180|00000000|20150119|00000
   # afrinic|*|asn|*|1146|summary
   # afrinic|*|ipv4|*|2586|summary
   # afrinic|*|ipv6|*|448|summary
   # afrinic|ZA|asn|1228|1|19910301|allocated
   # arin|US|ipv4|13.128.0.0|524288|19860425|assigned|efe0f73dfd0d72364bf64f417b803f18