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Diffstat (limited to 'perl-install/mirror.pm')
| -rw-r--r-- | perl-install/mirror.pm | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/perl-install/mirror.pm b/perl-install/mirror.pm new file mode 100644 index 000000000..654bdb2e9 --- /dev/null +++ b/perl-install/mirror.pm @@ -0,0 +1,181 @@ +package mirror; + +use diagnostics; +use strict; +use feature 'state'; + +use common; +use log; + +=head1 SYNOPSYS + +B<mirror> enables to manage Mageia distribution mirrors + +=head1 Functions + +=over + +=cut + +my %land2tzs = ( + N_("Australia") => [ 'Australia/Sydney' ], + N_("Austria") => [ 'Europe/Vienna', 'Europe/Brussels', 'Europe/Berlin' ], + N_("Belgium") => [ 'Europe/Brussels', 'Europe/Paris', 'Europe/Berlin' ], + N_("Brazil") => [ 'America/Sao_Paulo' ], + N_("Canada") => [ 'Canada/Atlantic', 'Canada/Eastern' ], + N_("Costa Rica") => [ 'America/Costa_Rica' ], + N_("Czech Republic") => [ 'Europe/Prague', 'Europe/Berlin' ], + N_("Denmark") => [ 'Europe/Copenhagen', 'Europe/Berlin' ], + N_("Estonia") => [ 'Europe/Tallinn', 'Europe/Helsinki' ], + N_("Finland") => [ 'Europe/Helsinki', 'Europe/Tallinn' ], + N_("France") => [ 'Europe/Paris', 'Europe/Brussels', 'Europe/Berlin' ], + N_("Germany") => [ 'Europe/Berlin', 'Europe/Prague' ], + N_("Greece") => [ 'Europe/Athens', 'Europe/Prague' ], + N_("Hungary") => [ 'Europe/Budapest' ], + N_("Ireland") => [ 'Europe/Dublin', 'Europe/London' ], + N_("Israel") => [ 'Asia/Tel_Aviv' ], + N_("Italy") => [ 'Europe/Rome', 'Europe/Brussels', 'Europe/Paris' ], + N_("Japan") => [ 'Asia/Tokyo', 'Asia/Seoul' ], + N_("Netherlands") => [ 'Europe/Amsterdam', 'Europe/Brussels', 'Europe/Berlin' ], + N_("New Zealand") => [ 'Pacific/Auckland' ], + N_("Norway") => [ 'Europe/Oslo', 'Europe/Stockholm' ], + N_("Poland") => [ 'Europe/Warsaw' ], + N_("Portugal") => [ 'Europe/Lisbon', 'Europe/Madrid' ], + N_("Russia") => [ 'Europe/Moscow', ], + N_("Slovakia") => [ 'Europe/Bratislava' ], + N_("South Africa") => [ 'Africa/Johannesburg' ], + N_("Spain") => [ 'Europe/Madrid', 'Europe/Lisbon' ], + N_("Sweden") => [ 'Europe/Stockholm', 'Europe/Oslo' ], + N_("Switzerland") => [ 'Europe/Zurich', 'Europe/Berlin', 'Europe/Brussels' ], + N_("Taiwan") => [ 'Asia/Taipei', 'Asia/Seoul' ], + N_("Thailand") => [ 'Asia/Bangkok', 'Asia/Seoul' ], + N_("United States") => [ 'America/New_York', 'Canada/Atlantic', 'Asia/Tokyo', 'Australia/Sydney', 'Europe/Paris' ], + ); + +=item mirror2text($mirror) + +Returns a displayable string from a mirror struct + +=cut + +sub mirror2text { + my ($mirror) = @_; + translate($mirror->{country}) . '|' . $mirror->{host} . ($mirror->{method} ? " ($mirror->{method})" : ''); +} + +=item register_downloader($func) + +Sets a downloader program + +=cut + +my $downloader; +sub register_downloader { + my ($func) = @_; + $downloader = $func; +} + +sub _mirrors_raw_install { + my ($list) = @_; + require install::http; + my $f = install::http::getFile($list, "strict-certificate-check" => 1) or die "mirror list not found"; + local $SIG{ALRM} = sub { die "timeout" }; + alarm 60; + log::l("using mirror list $list"); + my @lines; + push @lines, $_ while <$f>; + alarm 0; + @lines; +} + +sub _mirrors_raw_standalone { + my ($list) = @_; + my @lines; + if (ref($downloader)) { + @lines = $downloader->($list); + @lines or die "mirror list not found"; + } else { + die "Missing download callback"; + } + @lines; +} + +=item mirrors_raw($product_id) + +Returns a list of mirrors hash refs from http://mirrors.mageia.org + +Note that in standalone mode, one has to actually use register_downloader() +first in order to provide a downloader callback. + +=cut + +sub mirrors_raw { + my ($product_id) = @_; + + #- contact the following URL to retrieve the list of mirrors. + #- http://wiki.mageia.org/en/Product_id + my $type = lc($product_id->{type}); $type =~ s/\s//g; + #- FIXME! (blino) we use use https here + my $list = "http://mirrors.mageia.org/api/$type.$product_id->{version}.$product_id->{arch}.list?product=$product_id->{product}"; + log::explanations("trying mirror list from $list"); + my @lines = $::isInstall ? _mirrors_raw_install($list) : _mirrors_raw_standalone($list); + map { common::parse_LDAP_namespace_structure(chomp_($_)) } @lines; +} + +=item list($product_id, $type) + + +Returns a list of mirrors hash refs as returned by mirrors_raw() but filters it. + +One can select the type of mirrors ('distrib', 'updates', ...) or 'all' + +=cut + +sub list { + my ($product_id, $type) = @_; + + our @mirrors_raw; + if (!@mirrors_raw) { + @mirrors_raw = eval { mirrors_raw($product_id) }; + if (my $err = $@) { + log::explanations("failed to download mirror list"); + die $err; + } + @mirrors_raw or log::explanations("empty mirror list"), return; + } + + my @mirrors = grep { + ($_->{method}, $_->{host}, $_->{dir}) = $_->{url} =~ m!^(ftp|http)://(.*?)(/.*)!; + $_->{method} && (member($type, 'all', $_->{type})); + } @mirrors_raw or log::explanations("no mirrors of type $type"), return; + + @mirrors && \@mirrors; +} + +=item nearest($timezone, $mirrors) + +Randomly returns one of the nearest mirror + +=cut + +sub nearest { + my ($timezone, $mirrors) = @_; + + my (@country, @zone); + foreach my $mirror (@$mirrors) { + my @tzs = @{$land2tzs{$mirror->{country}} || []}; + eval { push @{$country[find_index { $_ eq $timezone } @tzs]}, $mirror }; + eval { push @{$zone[find_index { ((split '/')[0] eq (split '/', $timezone)[0]) } @tzs]}, $mirror }; + } + my @l = @country ? @country : @zone; + shift @l while !$l[0] && @l; + + my @possible = @l ? ((@{$l[0]}) x 2, @{$l[1] || []}) : @$mirrors; + $possible[rand @possible]; +} + +=back + +=cut + +1; |