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Last change
on this file since 3aa0522 was
3aa0522,
checked in by David Benjamin <davidben@mit.edu>, 14 years ago
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Deprecate the main loop hook, use on-demand perl timer
Users without a main loop hook shouldn't need to pay 1s wakeups, and
users with one probably want more control over the timeout anyway.
Signed-off-by: David Benjamin <davidben@mit.edu>
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-
Property mode set to
100644
|
File size:
1.2 KB
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Rev | Line | |
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[3aa0522] | 1 | use strict; |
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| 2 | use warnings; |
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| 3 | |
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| 4 | package BarnOwl::MainLoopCompatHook; |
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| 5 | |
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| 6 | use BarnOwl; |
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| 7 | use BarnOwl::Hook; |
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| 8 | use BarnOwl::Timer; |
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| 9 | use Scalar::Util qw(weaken); |
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| 10 | |
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| 11 | sub new { |
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| 12 | my $class = shift; |
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| 13 | my $hook = BarnOwl::Hook->new; |
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| 14 | return bless {hook => $hook}, $class; |
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| 15 | } |
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| 16 | |
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| 17 | sub check_owlconf { |
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| 18 | my $self = shift; |
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| 19 | $self->_ensure_timer() if (*BarnOwl::mainloop_hook{CODE}); |
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| 20 | } |
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| 21 | |
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| 22 | sub run { |
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| 23 | my $self = shift; |
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| 24 | return $self->{hook}->run(@_); |
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| 25 | } |
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| 26 | |
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| 27 | sub add { |
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| 28 | my $self = shift; |
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| 29 | $self->_ensure_timer(); |
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| 30 | $self->{hook}->add(@_); |
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| 31 | } |
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| 32 | |
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| 33 | sub clear { |
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| 34 | my $self = shift; |
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| 35 | $self->_kill_timer() unless *BarnOwl::mainloop_hook{CODE}; |
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| 36 | $self->{hook}->clear(); |
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| 37 | } |
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| 38 | |
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| 39 | sub _ensure_timer { |
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| 40 | my $self = shift; |
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| 41 | BarnOwl::debug("Enabling backwards-compatibility \"main loop\" hook"); |
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| 42 | my $weak = $self; |
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| 43 | weaken($weak); |
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| 44 | unless ($self->{timer}) { |
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| 45 | $self->{timer} = BarnOwl::Timer->new( { |
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| 46 | after => 0, |
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| 47 | interval => 1, |
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| 48 | cb => sub { |
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| 49 | $weak->run if $weak; |
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| 50 | BarnOwl::mainloop_hook() if *BarnOwl::mainloop_hook{CODE}; |
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| 51 | }, |
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| 52 | } ); |
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| 53 | } |
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| 54 | } |
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| 55 | |
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| 56 | sub _kill_timer { |
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| 57 | my $self = shift; |
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| 58 | if ($self->{timer}) { |
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| 59 | $self->{timer}->stop; |
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| 60 | undef $self->{timer}; |
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| 61 | } |
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| 62 | } |
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| 63 | |
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| 64 | 1; |
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