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package IO::Concurrent::Runner::Select; |
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use strict; |
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use warnings; |
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use IO::Select; |
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use Carp (); |
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$Carp::Internal{+__PACKAGE__}++; |
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sub new { |
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my ($class, $contexts, $opts) = @_; |
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$opts ||= {}; |
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bless { |
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%$opts, |
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contexts => $contexts, |
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} => $class; |
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} |
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sub run { |
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my $self = shift; |
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my %context_map = map { $_->handler->fileno => $_ } @{ $self->{contexts} }; |
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my @aborted_contexts; |
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while (%context_map) { |
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my ($readable, $writable) = do { |
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my @readers = map { $_->handler } grep { $_->current_actor->is_waiting_for_readable } values %context_map; |
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my @writers = map { $_->handler } grep { $_->current_actor->is_waiting_for_writable } values %context_map; |
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IO::Select->select( |
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IO::Select->new(@readers), |
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IO::Select->new(@writers), |
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undef, |
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0 |
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) |
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}; |
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if (defined $writable) { |
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my @writable_context = @context_map{map $_->fileno, @$writable}; |
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for my $context (@writable_context) { |
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$context->current_actor->callback->($context); |
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push @aborted_contexts => $context if $context->error; |
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delete $context_map{$context->handler->fileno} if $context->is_completed; |
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} |
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} |
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if (defined $readable) { |
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my @readable_context = @context_map{map $_->fileno, @$readable}; |
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for my $context (@readable_context) { |
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$context->current_actor->callback->($context); |
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push @aborted_contexts => $context if $context->error; |
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delete $context_map{$context->handler->fileno} if $context->is_completed; |
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} |
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} |
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} |
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for my $context (@aborted_contexts) { |
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$self->{on_error}->($context); |
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} |
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} |
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62
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1; |
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__END__ |