version bump

[scpubgit/Tak.git] / lib / Tak.pm

diff --git a/lib/Tak.pm b/lib/Tak.pm
index 33bc378..b77a770 100644 (file)
--- a/lib/Tak.pm
+++ b/lib/Tak.pm
@@ -3,15 +3,104 @@ package Tak;
 use Tak::Loop;
 use strictures 1;
 
-our $loop;
+our $VERSION = '0.001003'; # 0.1.3
+
+our ($loop, $did_upgrade);
 
 sub loop { $loop ||= Tak::Loop->new }
 
+sub loop_upgrade {
+  return if $did_upgrade;
+  require IO::Async::Loop;
+  my $new_loop = IO::Async::Loop->new;
+  $loop->pass_watches_to($new_loop) if $loop;
+  $loop = $new_loop;
+  $did_upgrade = 1;
+}
+
 sub loop_until {
   my ($class, $done) = @_;
   return if $done;
-  my $loop = $class->loop;
-  $loop->loop_once until $_[1];
+  $class->loop->loop_once until $_[1];
+}
+
+sub await_all {
+  my ($class, @requests) = @_;
+  @requests = grep !$_->is_done, @requests;
+  return unless @requests;
+  my %req = map +("$_" => "$_"), @requests;
+  my $done;
+  my %on_r = map {
+    my $orig = $_->{on_result};
+    my $tag = $req{$_};
+    ($_ => sub { delete $req{$tag}; $orig->(@_); $done = 1 unless keys %req; })
+  } @requests;
+  my $call = sub { $class->loop_until($done) };
+  foreach (@requests) {
+    my $req = $_;
+    my $inner = $call;
+    $call = sub { local $req->{on_result} = $on_r{$req}; $inner->() };
+  }
+  $call->();
+  return;
 }
 
 1;
+
+=head1 NAME
+
+Tak - Multi host remote control over ssh
+
+=head1 SYNOPSIS
+
+  bin/tak -h user1@host1 -h user2@host2 exec cat /etc/hostname
+
+or
+
+  in Takfile:
+
+  package Tak::MyScript;
+  
+  use Tak::Takfile;
+  use Tak::ObjectClient;
+  
+  sub each_get_homedir {
+    my ($self, $remote) = @_;
+    my $oc = Tak::ObjectClient->new(remote => $remote);
+    my $home = $oc->new_object('Path::Class::Dir')->absolute->stringify;
+    $self->stdout->print(
+      $remote->host.': '.$home."\n"
+    );
+  }
+  
+  1;
+
+then
+
+  tak -h something get-homedir
+
+=head1 WHERE'S THE REST?
+
+A drink leaked in my bag on the way back from LPW. My laptop is finally
+alive again though so I'll try and turn my slides into a vague attempt
+at documentation while I'm traveling to/from christmas things.
+
+=head1 AUTHOR
+
+mst - Matt S. Trout (cpan:MSTROUT) <mst@shadowcat.co.uk>
+
+=head1 CONTRIBUTORS
+
+None required yet. Maybe this module is perfect (hahahahaha ...).
+
+=head1 COPYRIGHT
+
+Copyright (c) 2011 the Tak L</AUTHOR> and L</CONTRIBUTORS>
+as listed above.
+
+=head1 LICENSE
+
+This library is free software and may be distributed under the same terms
+as perl itself.
+
+=cut