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package transferqueue; |
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|
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my @reserve = ( |
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[ 1_200_000, 1], |
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[ 3_000_000, 1], |
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[ 75_000_000, 1], |
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); |
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|
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sub new { |
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my $class = shift; |
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bless { |
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slots => $_[0], |
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lastspb => 0, |
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avgspb => 0, |
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}, $class; |
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} |
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|
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sub start_transfer { |
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my $self = shift; |
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my $size = $_[0]; |
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|
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my $transfer = bless { |
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queue => $self, |
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time => $::NOW, |
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size => $size, |
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coro => $Coro::current, |
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started => 0, |
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}, transfer::; |
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|
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push @{$self->{wait}}, $transfer; |
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|
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$self->wake_next; |
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|
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$transfer; |
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} |
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|
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sub sort { |
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my @queue = grep $_, @{$_[0]{wait}}; |
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|
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$_->{spb} = ($::NOW-$_->{time}) / ($_->{size} || 1) for @queue; |
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|
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$_[0]{wait} = [sort { $b->{spb} <=> $a->{spb} } @queue]; |
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|
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Scalar::Util::weaken $_ for @{$_[0]{wait}}; |
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} |
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|
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sub wake_next { |
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my $self = shift; |
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|
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$self->sort; |
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|
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while (@{$self->{wait}}) { |
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my $size = $self->{wait}[0]{size}; |
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my $min = 0; |
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for (@reserve) { |
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last if $size <= $_->[0]; |
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$min += $_->[1]; |
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} |
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last unless $self->{slots} > $min; |
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my $transfer = shift @{$self->{wait}}; |
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$self->{lastspb} = $transfer->{spb}; |
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$self->{avgspb} ||= $transfer->{spb}; |
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$self->{avgspb} = $self->{avgspb} * 0.95 + $transfer->{spb} * 0.05; |
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$self->{started}++; |
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$transfer->wake; |
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last; |
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} |
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} |
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|
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sub waiters { |
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$_[0]->sort; |
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@{$_[0]{wait}}; |
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} |
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|
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package transfer; |
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|
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use Coro::Timer (); |
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|
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sub wake { |
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my $self = shift; |
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|
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$self->{alloc} = 1; |
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$self->{queue}{slots}--; |
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$self->{wake} and $self->{wake}->ready; |
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} |
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|
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sub try { |
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my $self = shift; |
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|
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$self->{alloc} || do { |
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my $timeout = Coro::Timer::timeout $_[0]; |
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local $self->{wake} = $self->{coro}; |
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|
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Coro::schedule; |
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|
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$self->{alloc}; |
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} |
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} |
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|
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sub DESTROY { |
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my $self = shift; |
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|
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if ($self->{alloc}) { |
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$self->{queue}{slots}++; |
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$self->{queue}->wake_next; |
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} |
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} |
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|
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package conn; |
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|
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our %blockuri; |
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our $blockref; |
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|
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sub read_blockuri { |
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local *B; |
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my %group; |
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%blockuri = (); |
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if (open B, "<blockuri") { |
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while (<B>) { |
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chomp; |
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if (/^group\s+(\S+)\s+(.*)/i) { |
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$group{$1} = [split /\s+/, $2]; |
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} elsif (/^!([^\t]*)\t\s*(.*)/) { |
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my $g = $1; |
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my @r; |
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for (split /\s+/, $2) { |
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push @r, $group{$_} ? @{$group{$_}} : $_; |
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} |
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print "not($g) => (@r)\n"; |
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push @{$blockuri{$_}}, $g for @r; |
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push @blockuri, [qr/$g/i, \@r]; |
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} elsif (/\S/) { |
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print "blockuri: unparsable line: $_\n"; |
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} |
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} |
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for (keys %blockuri) { |
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my $qr = join ")|(?:", @{$blockuri{$_}}; |
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$blockuri{$_} = qr{(?:$qr)}i; |
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} |
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} else { |
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print "no blockuri\n"; |
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} |
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} |
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|
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sub read_blockref { |
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local *B; |
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my @blockref; |
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if (open B, "<blockreferer") { |
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while (<B>) { |
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chomp; |
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if (/^([^\t]*)\t\s*(.*)/) { |
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push @blockref, $1; |
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} elsif (/\S/) { |
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print "blockref: unparsable line: $_\n"; |
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} |
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} |
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$blockref = join ")|(?:", @blockref; |
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$blockref = qr{^(?:$blockref)}i; |
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} else { |
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print "no blockref\n"; |
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$blockref = qr{^x^}; |
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} |
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} |
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|
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read_blockuri; |
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read_blockref; |
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|
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use Tie::Cache; |
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tie %whois_cache, Tie::Cache::, 32; |
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|
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sub access_check { |
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my $self = shift; |
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|
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my $ref = $self->{h}{referer}; |
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my $uri = $self->{path}; |
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my %disallow; |
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|
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$self->err_block_referer |
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if $self->{h}{referer} =~ $blockref; |
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|
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my $whois = $whois_cache{$self->{remote_addr}} |
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||= netgeo::ip_request($self->{remote_addr}); |
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|
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my $country = "XX"; |
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|
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if ($whois =~ /^\*cy: (\S+)/m) { |
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$country = uc $1; |
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} else { |
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$self->slog(9, "no country($whois)"); |
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} |
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|
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$self->{country} = $country; |
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|
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$self->err_block_country($whois) |
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if $self->{path} =~ $blockuri{$country}; |
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} |
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|
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1; |
