#
# This file is part of Riak-Light
#
# This software is copyright (c) 2013 by Weborama.
#
# This is free software; you can redistribute it and/or modify it under
# the same terms as the Perl 5 programming language system itself.
#
## no critic (RequireUseStrict, RequireUseWarnings)
package Riak::Light::Timeout::Select;
{
$Riak::Light::Timeout::Select::VERSION = '0.10';
}
## use critic
use POSIX qw(ETIMEDOUT ECONNRESET);
use IO::Select;
use Time::HiRes;
use Config;
use Moo;
use Types::Standard -types;
with 'Riak::Light::Timeout';
# ABSTRACT: proxy to read/write using IO::Select as a timeout provider
has socket => ( is => 'ro', required => 1 );
has in_timeout => ( is => 'ro', isa => Num, default => sub {0.5} );
has out_timeout => ( is => 'ro', isa => Num, default => sub {0.5} );
has select => ( is => 'ro', default => sub { IO::Select->new } );
sub BUILD {
$_[0]->select->add( $_[0]->socket );
}
sub DEMOLISH {
$_[0]->clean();
}
sub clean {
$_[0]->select->remove( $_[0]->socket );
$_[0]->socket->close;
}
sub is_valid {
scalar $_[0]->select->handles;
}
sub sysread {
my $self = shift;
$self->is_valid
or $! = ECONNRESET,
return; ## no critic (RequireLocalizedPunctuationVars)
return $self->socket->sysread(@_)
if $self->select->can_read( $self->in_timeout );
$self->clean();
$! = ETIMEDOUT; ## no critic (RequireLocalizedPunctuationVars)
undef;
}
sub syswrite {
my $self = shift;
$self->is_valid
or $! = ECONNRESET,
return; ## no critic (RequireLocalizedPunctuationVars)
return $self->socket->syswrite(@_)
if $self->select->can_write( $self->out_timeout );
$self->clean();
$! = ETIMEDOUT; ## no critic (RequireLocalizedPunctuationVars)
undef;
}
1;
=pod
=encoding UTF-8
=head1 NAME
Riak::Light::Timeout::Select - proxy to read/write using IO::Select as a timeout provider
=head1 VERSION
version 0.10
=head1 DESCRIPTION
Internal class
=head1 AUTHORS
=over 4
=item *
Tiago Peczenyj <tiago.peczenyj@gmail.com>
=item *
Damien Krotkine <dams@cpan.org>
=back
=head1 COPYRIGHT AND LICENSE
This software is copyright (c) 2013 by Weborama.
This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.
=cut
__END__