lei: start implementing inotify Maildir support

[public-inbox.git] / lib / PublicInbox / DirIdle.pm

diff --git a/lib/PublicInbox/DirIdle.pm b/lib/PublicInbox/DirIdle.pm
index e53fd9d1e5fe0db5b1a2cac1b053e6d641a276d1..7031e5fd5615f17aa1df4467c6aebdcf36d7c31a 100644 (file)
--- a/lib/PublicInbox/DirIdle.pm
+++ b/lib/PublicInbox/DirIdle.pm
@@ -12,17 +12,23 @@ my ($MAIL_IN, $MAIL_GONE, $ino_cls);
 if ($^O eq 'linux' && eval { require Linux::Inotify2; 1 }) {
        $MAIL_IN = Linux::Inotify2::IN_MOVED_TO() |
                Linux::Inotify2::IN_CREATE();
-       $MAIL_GONE = Linux::Inotify2::IN_DELETE();
+       $MAIL_GONE = Linux::Inotify2::IN_DELETE() |
+                       Linux::Inotify2::IN_DELETE_SELF() |
+                       Linux::Inotify2::IN_MOVE_SELF();
        $ino_cls = 'Linux::Inotify2';
 # Perl 5.22+ is needed for fileno(DIRHANDLE) support:
 } elsif ($^V ge v5.22 && eval { require PublicInbox::KQNotify }) {
        $MAIL_IN = PublicInbox::KQNotify::MOVED_TO_OR_CREATE();
-       $MAIL_GONE = PublicInbox::KQNotify::NOTE_DELETE();
+       $MAIL_GONE = PublicInbox::KQNotify::NOTE_DELETE() |
+               PublicInbox::KQNotify::NOTE_REVOKE() |
+               PublicInbox::KQNotify::NOTE_RENAME();
        $ino_cls = 'PublicInbox::KQNotify';
 } else {
        require PublicInbox::FakeInotify;
        $MAIL_IN = PublicInbox::FakeInotify::MOVED_TO_OR_CREATE();
-       $MAIL_GONE = PublicInbox::FakeInotify::IN_DELETE();
+       $MAIL_GONE = PublicInbox::FakeInotify::IN_DELETE() |
+                       PublicInbox::FakeInotify::IN_DELETE_SELF() |
+                       PublicInbox::FakeInotify::IN_MOVE_SELF();
 }
 
 sub new {
@@ -47,6 +53,23 @@ sub new {
        $self;
 }
 
+sub add_watches {
+       my ($self, $dirs, $gone) = @_;
+       my $fl = $MAIL_IN | ($gone ? $MAIL_GONE : 0);
+       for my $d (@$dirs) {
+               $self->{inot}->watch($d, $fl);
+       }
+       PublicInbox::FakeInotify::poll_once($self) if !$ino_cls;
+}
+
+sub rm_watches {
+       my ($self, $dir) = @_;
+       my $inot = $self->{inot};
+       if (my $cb = $inot->can('rm_watches')) { # TODO for fake watchers
+               $cb->($inot, $dir);
+       }
+}
+
 sub event_step {
        my ($self) = @_;
        my $cb = $self->{cb};