X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=lib%2FPublicInbox%2FKQNotify.pm;h=381711fae8f400bf11b3f0bb3316c04d66207336;hb=refs%2Fheads%2Fmaster;hp=c7740df2dc0ca1e8dc80d12bf5af5ed4c0d3bb85;hpb=1bc3707e3e0983c9aed898980ec8acf6501813f7;p=public-inbox.git diff --git a/lib/PublicInbox/KQNotify.pm b/lib/PublicInbox/KQNotify.pm index c7740df2..381711fa 100644 --- a/lib/PublicInbox/KQNotify.pm +++ b/lib/PublicInbox/KQNotify.pm @@ -1,13 +1,13 @@ -# Copyright (C) 2020 all contributors +# Copyright (C) all contributors # License: AGPL-3.0+ # implements the small subset of Linux::Inotify2 functionality we use # using IO::KQueue on *BSD systems. package PublicInbox::KQNotify; -use strict; +use v5.12; use IO::KQueue; use PublicInbox::DSKQXS; # wraps IO::KQueue for fork-safe DESTROY -use PublicInbox::FakeInotify; +use PublicInbox::FakeInotify qw(fill_dirlist on_dir_change); use Time::HiRes qw(stat); # NOTE_EXTEND detects rename(2), NOTE_WRITE detects link(2) @@ -28,17 +28,19 @@ sub watch { 'PublicInbox::KQNotify::Watchdir'; } else { open($fh, '<', $path) or return; - $watch = bless [ $fh, $path ], - 'PublicInbox::KQNotify::Watch'; + $watch = bless [ $fh, $path ], 'PublicInbox::KQNotify::Watch'; } my $ident = fileno($fh); - $self->{dskq}->{kq}->EV_SET($ident, # ident + $self->{dskq}->{kq}->EV_SET($ident, # ident (fd) EVFILT_VNODE, # filter EV_ADD | EV_CLEAR, # flags $mask, # fflags 0, 0); # data, udata - if ($mask == NOTE_WRITE || $mask == MOVED_TO_OR_CREATE) { + if ($mask & (MOVED_TO_OR_CREATE|NOTE_DELETE|NOTE_LINK|NOTE_REVOKE)) { $self->{watch}->{$ident} = $watch; + if ($mask & (NOTE_DELETE|NOTE_LINK|NOTE_REVOKE)) { + fill_dirlist($self, $path, $fh) + } } else { die "TODO Not implemented: $mask"; } @@ -61,33 +63,49 @@ sub read { my ($self) = @_; my @kevents = $self->{dskq}->{kq}->kevent(0); my $events = []; + my @gone; + my $watch = $self->{watch}; for my $kev (@kevents) { my $ident = $kev->[KQ_IDENT]; my $mask = $kev->[KQ_FFLAGS]; - my ($dh, $path, $old_ctime) = @{$self->{watch}->{$ident}}; + my ($dh, $path, $old_ctime) = @{$watch->{$ident}}; if (!defined($old_ctime)) { push @$events, bless(\$path, 'PublicInbox::FakeInotify::Event') - } elsif ($mask & MOVED_TO_OR_CREATE) { - my @new_st = stat($path) or next; - $self->{watch}->{$ident}->[3] = $new_st[10]; # ctime + } elsif ($mask & (MOVED_TO_OR_CREATE|NOTE_DELETE|NOTE_LINK| + NOTE_REVOKE|NOTE_RENAME)) { + my @new_st = stat($path); + if (!@new_st && $!{ENOENT}) { + push @$events, bless(\$path, + 'PublicInbox::FakeInotify::'. + 'SelfGoneEvent'); + push @gone, $ident; + delete $self->{dirlist}->{$path}; + next; + } + if (!@new_st) { + warn "unhandled stat($path) error: $!\n"; + next; + } + $watch->{$ident}->[3] = $new_st[10]; # ctime rewinddir($dh); - PublicInbox::FakeInotify::on_new_files($events, $dh, - $path, $old_ctime); + on_dir_change($events, $dh, $path, $old_ctime, + $self->{dirlist}); } } + delete @$watch{@gone}; @$events; } package PublicInbox::KQNotify::Watch; -use strict; +use v5.12; sub name { $_[0]->[1] } sub cancel { close $_[0]->[0] or die "close: $!" } package PublicInbox::KQNotify::Watchdir; -use strict; +use v5.12; sub name { $_[0]->[1] }