/usr/lib/perl5/AnyEvent/Impl/Irssi.pm is in libanyevent-perl 7.010-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 | =head1 NAME
AnyEvent::Impl::Irssi - AnyEvent adaptor for Irssi
=head1 SYNOPSIS
use AnyEvent;
# this module gets loaded automatically when running under irssi
=head1 DESCRIPTION
This module provides transparent support for AnyEvent. You don't have to
do anything to make Irssi scripts work with AnyEvent.
Limitations of this backend and implementation details:
=over 4
=item * This backend does not support blocking waits.
That means you must set a callback on any condvars, or otherwise make sure
to never call C<recv> on a condvar that hasn't been signalled yet.
=item * Child exits will be handled by AnyEvent.
AnyEvent will take over child handling, as Irssi only polls for children
once/second and cannot handle unspecific child watchers.
This I<should> have no negative effect, as AnyEvent will emit a pidwait
signal just like irssi itself would.
=item * Artificial timer delays.
Irssi artificially enforces timers to have at least a 10ms delay (by
croaking, even).
This means that some applications will be limited to a rate of 100Hz (for
example, L<Coro::AnyEvent> thread scheduling).
=item * Irssi leaks memory like hell.
Yeah.
=back
Apart from that, documentation is notoriously wrong (e.g. file handles
are not supported by C<input_add>, contrary to documentation), hooking
into irssi has to be done in... weird... ways, but otherwise, Irssi is
surprisingly full-featured (for basically being a hack).
=cut
package AnyEvent::Impl::Irssi;
use AnyEvent (); BEGIN { AnyEvent::common_sense }
use Carp ();
use Irssi ();
our @ISA;
# irssi works only from certain namespaces, so we
# create one and use it.
sub init {
my $pkg = caller;
push @ISA, $pkg;
local $/;
eval "package $pkg; " . <DATA>;
print "AnyEvent::Impl::Irssi fatal compilation error: $@" if $@;
close DATA;
}
Irssi::command "/script exec -permanent AnyEvent::Impl::Irssi::init 'AnyEvent adaptor'";
1;
__DATA__
BEGIN { AnyEvent::common_sense }
use base "AnyEvent::Base";
sub io {
my ($class, %arg) = @_;
my $cb = $arg{cb};
my $fd = fileno $arg{fh};
defined $fd or $fd = $arg{fh};
my $source = Irssi::input_add
$fd,
$arg{poll} eq "r" ? Irssi::INPUT_READ : Irssi::INPUT_WRITE,
$cb,
undef;
bless \\$source, "AnyEvent::Impl::Irssi::io"
}
sub AnyEvent::Impl::Irssi::io::DESTROY {
Irssi::input_remove $${$_[0]};
}
sub timer {
my ($class, %arg) = @_;
my $cb = $arg{cb};
my $ival = $arg{interval} * 1000;
my $after = $arg{after} * 1000;
my $source; $source = Irssi::timeout_add_once $after > 10 ? $after : 10,
($ival ? sub {
$source = Irssi::timeout_add $ival > 10 ? $ival : 10, $cb, undef;
&$cb;
0
}
: $cb),
undef;
bless \\$source, "AnyEvent::Impl::Irssi::timer"
}
sub AnyEvent::Impl::Irssi::timer::DESTROY {
Irssi::timeout_remove $${$_[0]};
}
my $_pidwait = sub {
my ($rpid, $rstatus) = @_;
AnyEvent::Base->_emit_childstatus ($rpid, $rstatus);
};
Irssi::signal_add pidwait => $_pidwait;
sub _emit_childstatus {
my ($self, $rpid, $rstatus) = @_;
$self->SUPER::_emit_childstatus ($rpid, $rstatus);
Irssi::signal_remove pidwait => $_pidwait;
Irssi::signal_emit pidwait => $rpid+0, $rstatus+0;
Irssi::signal_add pidwait => $_pidwait;
}
#sub loop {
# Carp::croak "Irssi does not support blocking waits";
#}
=head1 SEE ALSO
L<AnyEvent>, L<Irssi>.
=head1 AUTHOR
Marc Lehmann <schmorp@schmorp.de>
http://anyevent.schmorp.de
=cut
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