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package Inferno::RegMgr::TCP; |
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use warnings; |
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use strict; |
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use Carp; |
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# update POD & Changes & README |
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use version; our $VERSION = qv('0.1.3'); |
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# update DEPENDENCIES in POD & Makefile.PL & README |
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use Scalar::Util qw( weaken ); |
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use IO::Stream; |
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use Inferno::RegMgr::Utils qw( run_callback quote attr parse_svc ); |
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use constant PORT_NEW => 6701; |
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use constant PORT_FIND => 6702; |
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use constant PORT_EVENT => 6703; |
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use constant KiB => 1024; ## no critic (Capitalization) |
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sub new { |
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my ($class, $opt) = @_; |
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croak '{host} required' if !defined $opt->{host}; |
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my $self = { |
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host => $opt->{host}, |
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port_new => $opt->{port_new} || PORT_NEW, |
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port_find => $opt->{port_find} || PORT_FIND, |
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port_event => $opt->{port_event} || PORT_EVENT, |
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}; |
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return bless $self, $class; |
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} |
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sub open_event { |
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my ($self, $opt) = @_; |
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croak '{cb} required' if !defined $opt->{cb}; |
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my $io = IO::Stream->new({ |
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host => $self->{host}, |
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port => $self->{port_event}, |
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cb => \&_cb_event, |
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wait_for => IN|EOF, |
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User_cb => [ $opt->{cb}, $opt->{method} ], |
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Is_connected=> 0, |
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}); |
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return $io; |
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} |
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sub _cb_event { |
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my ($io, $e, $err) = @_; |
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if (!$io->{Is_connected}) { |
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if ($e & IN) { |
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if ($io->{in_buf} =~ s/\AREADY\n//xms) { |
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$io->{Is_connected} = 1; |
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$e |= CONNECTED; |
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} |
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else { |
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$err = "Bug in registry: expected 'READY\\n', got '$io->{in_buf}'"; |
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} |
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} |
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} |
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else { |
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if ($err) { |
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$e |= EOF; |
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} |
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} |
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if ($e & IN && $io->{in_buf} !~ s/.*\n//xms) { |
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$e &= ~IN; |
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if (length $io->{in_buf} > KiB) { |
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$err = 'Bug in registry: got 1 KiB without \\n'; |
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} |
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} |
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if ($e & EOF || $err) { |
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$io->close(); |
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} |
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if ($e || $err) { |
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run_callback( @{ $io->{User_cb} }, $e, $err ); |
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} |
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return; |
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} |
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sub open_new { |
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my ($self, $opt) = @_; |
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croak '{name} required' if !defined $opt->{name}; |
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croak '{cb} required' if !defined $opt->{cb}; |
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my $io = IO::Stream->new({ |
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host => $self->{host}, |
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port => $self->{port_new}, |
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cb => \&_cb_new, |
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wait_for => 0, |
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User_cb => [ $opt->{cb}, $opt->{method} ], |
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}); |
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$io->write(sprintf "%s %s\n", quote($opt->{name}), attr($opt->{attr})); |
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return $io; |
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} |
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sub _cb_new { |
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my ($io, $e, $err) = @_; |
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$io->close(); |
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run_callback( @{ $io->{User_cb} }, $err ); |
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return; |
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} |
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sub update { |
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my ($self, $io, $attr) = @_; |
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$io->write(sprintf "%s\n", attr($attr)); |
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return; |
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} |
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sub open_find { |
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my ($self, $opt) = @_; |
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croak '{cb} required' if !defined $opt->{cb}; |
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my $io = IO::Stream->new({ |
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host => $self->{host}, |
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port => $self->{port_find}, |
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cb => \&_cb_find, |
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wait_for => EOF, |
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in_buf_limit=> KiB*KiB, |
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User_cb => [ $opt->{cb}, $opt->{method} ], |
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}); |
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$io->write(sprintf "%s\n", attr($opt->{attr})); |
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return $io; |
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} |
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sub _cb_find { |
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my ($io, $e, $err) = @_; |
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my $svc; |
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if ($e & EOF && !$err) { |
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($svc, $err) = parse_svc($io->{in_buf}); |
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} |
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$io->close(); |
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run_callback( @{ $io->{User_cb} }, $svc, $err ); |
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return; |
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} |
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1; # Magic true value required at end of module |
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__END__ |