AnyEvent-Connection

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lib/AnyEvent/Connection.pm  view on Meta::CPAN

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use warnings;
};
use Object::Event 1.21;
use base 'https://metacpan.org/pod/Object::Event">Object::Event';
 
use AnyEvent 5;
use AnyEvent::Socket;
 
use Carp;
 
use Scalar::Util qw(weaken);
use AnyEvent::Connection::Raw;
use AnyEvent::Connection::Util;
# @rewrite s/^# //; # Development hacks, see L<Devel::Rewrite>
# use Devel::Leak::Cb;
 
=head1 NAME
 
AnyEvent::Connection - Base class for tcp connectful clients
 
=cut

lib/AnyEvent/Connection.pm  view on Meta::CPAN

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#sub connected {
#       warn "Connected";
#       shift->event(connected => ());
#}
 
sub connect {
        my $self = shift;
        $self->{connecting} and return;
        $self->{connecting} = 1;
        weaken $self;
        croak "Only client can connect but have $self->{type}" if $self->{type} and $self->{type} ne 'client';
        $self->{type} = 'client';
         
        warn "Connecting to $self->{host}:$self->{port}..." if $self->{debug};
        # @rewrite s/sub {/cb connect {/;
        $self->{_}{con}{cb} = sub {
                pop;
                delete $self->{_}{con};
                        if (my $fh = shift) {
                                warn "Connected @_" if $self->{debug};

lib/AnyEvent/Connection.pm  view on Meta::CPAN

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                        $self->{_}{con}{cb}, $self->{_}{con}{pre}
        ;
}
 
sub accept {
        croak "Not implemented yet";
}
 
 
sub _reconnect_after {
        weaken( my $self = shift );
        $self->{reconnect} or return $self->{connecting} = 0;
        $self->{timers}{reconnect} = AnyEvent->timer(
                after => $self->{reconnect},
                cb => sub {
                        $self or return;
                        delete $self->{timers}{reconnect};
                        $self->{connecting} = 0;
                        $self->connect;
                }
        );
}
 
sub periodic_stop;
sub periodic {
        weaken( my $self = shift );
        my $interval = shift;
        my $cb = shift;
        #warn "Create periodic $interval";
        $self->{timers}{int $cb} = AnyEvent->timer(
                after => $interval,
                interval => $interval,
                cb => sub {
                        local *periodic_stop = sub {
                                warn "Stopping periodic ".int $cb;
                                delete $self->{timers}{int $cb}; undef $cb

lib/AnyEvent/Connection.pm  view on Meta::CPAN

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                },
        );
        defined wantarray and return AnyEvent::Util::guard(sub {
                delete $self->{timers}{int $cb};
                undef $cb;
        });
        return;
}
 
sub after {
        weaken( my $self = shift );
        my $interval = shift;
        my $cb = shift;
        #warn "Create after $interval";
        $self->{timers}{int $cb} = AnyEvent->timer(
                after => $interval,
                cb => sub {
                        $self or return;
                        delete $self->{timers}{int $cb};
                        $cb->();
                        undef $cb;

lib/AnyEvent/Connection/Raw.pm  view on Meta::CPAN

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        AnyEvent::Connection::Raw;
 
use common::sense 2;m{
use strict;
use warnings;
};
use Object::Event 1.21;
use base 'https://metacpan.org/pod/Object::Event">Object::Event';
use AnyEvent::Handle;
use AnyEvent::Connection::Util;
use Scalar::Util qw(weaken);
use Carp;
# @rewrite s/^# //;
# use Devel::Leak::Cb;
 
sub _call_waiting {
        my $me = shift;
        for my $k (keys %{ $me->{waitingcb} }) {
                warn "call waiting $k with @_" if $me->{debug};
                if ($me->{waitingcb}{$k}) {
                        $me->{waitingcb}{$k}->(undef, @_);
                }
                delete $me->{waitingcb}{$k};
        }
}
 
sub new {
        my $pkg = shift;
        my $self = $pkg->SUPER::new(@_);
        $self->{nl} = "\015\012" unless defined $self->{nl};
        $self->{debug} = 0 unless defined $self->{debug};
        weaken(my $me = $self);
        # @rewrite s/sub /cb 'conn.cb.eof' /;
        $self->{cb}{eof} = sub {
                $me or return;
                #local *__ANON__ = 'conn.cb.eof';
                warn "[\U$me->{side}\E] Eof on handle";
                delete $me->{h};
                $me->event('disconnect');
                $me->_call_waiting("EOF from handle");
        } ;
        # @rewrite s/sub /cb 'conn.cb.err' /;

lib/AnyEvent/Connection/Raw.pm  view on Meta::CPAN

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        warn ">> @_  " if $self->{debug};
        return;
}
*reply = \&say;
 
sub recv {
        my ($self,$bytes,%args) = @_;
        $args{cb}  or croak "no cb for recv at @{[ (caller)[1,2] ]}";
        $self->{h} or return $args{cb}(undef,"Not connected");
        warn "<+ read $bytes " if $self->{debug};
        weaken( $self->{waitingcb}{int $args{cb}} = $args{cb} );
        $self->{h}->unshift_read( chunk => $bytes, sub {
                #local *__ANON__ = 'conn.recv.read';
                # Also eat CRLF or LF from read buffer
                substr( $self->{h}{rbuf}, 0, 1 ) = '' if substr( $self->{h}{rbuf}, 0, 1 ) eq "\015";
                substr( $self->{h}{rbuf}, 0, 1 ) = '' if substr( $self->{h}{rbuf}, 0, 1 ) eq "\012";
                delete $self->{waitingcb}{int $args{cb}};
                shift; (delete $args{cb})->(@_);
                %args = ();
        } );
}
 
sub command {
        my $self = shift;
        my $write = shift;
        if (utf8::is_utf8($write)) {
                utf8::encode $write;
        }
        my %args = @_;
        $args{cb}  or croak "no cb for command at @{[ (caller)[1,2] ]}";
        $self->{h} or return $args{cb}(undef,"Not connected"),%args = ();
        weaken( $self->{waitingcb}{int $args{cb}} = $args{cb} );
         
        #my $i if 0;
        #my $c = ++$i;
        warn ">> $write  " if $self->{debug};
        $self->{h}->push_write("$write$self->{nl}");
        #$self->{h}->timeout( $self->{select_timeout} );
        warn "<? read  " if $self->{debug};
        # @rewrite s/sub {/cb 'conn.command.read' {/;
        $self->{h}->push_read( regex => qr<\015?\012>, sub {
                #local *__ANON__ = 'conn.command.read';