use strict;
use IO::KQueue;
use PublicInbox::DSKQXS; # wraps IO::KQueue for fork-safe DESTROY
+use PublicInbox::FakeInotify;
+use Time::HiRes qw(stat);
-# only true as far as public-inbox is concerned with .lock files:
-sub IN_CLOSE () { NOTE_WRITE }
-#sub IN_CLOSE () { 0x200 } # NOTE_CLOSE_WRITE (FreeBSD 11+ only)
+# NOTE_EXTEND detects rename(2), NOTE_WRITE detects link(2)
+sub MOVED_TO_OR_CREATE () { NOTE_EXTEND|NOTE_WRITE }
sub new {
my ($class) = @_;
sub watch {
my ($self, $path, $mask, $cb) = @_;
- open(my $fh, '<', $path) or return;
+ my ($fh, $cls, @extra);
+ if (-d $path) {
+ opendir($fh, $path) or return;
+ my @st = stat($fh);
+ @extra = ($path, $st[10]); # 10: ctime
+ $cls = 'PublicInbox::KQNotify::Watchdir';
+ } else {
+ open($fh, '<', $path) or return;
+ $cls = 'PublicInbox::KQNotify::Watch';
+ }
my $ident = fileno($fh);
$self->{dskq}->{kq}->EV_SET($ident, # ident
EVFILT_VNODE, # filter
EV_ADD | EV_CLEAR, # flags
$mask, # fflags
0, 0); # data, udata
- if ($mask == IN_CLOSE) {
- $self->{watch}->{$ident} = [ $fh, $cb ];
+ if ($mask == NOTE_WRITE || $mask == MOVED_TO_OR_CREATE) {
+ $self->{watch}->{$ident} = [ $fh, $cb, @extra ];
} else {
die "TODO Not implemented: $mask";
}
- bless \$fh, 'PublicInbox::KQNotify::Watch';
+ bless \$fh, $cls;
}
# emulate Linux::Inotify::fileno
for my $kev (@kevents) {
my $ident = $kev->[KQ_IDENT];
my $mask = $kev->[KQ_FFLAGS];
- if (($mask & IN_CLOSE) == IN_CLOSE) {
- eval { $self->{watch}->{$ident}->[1]->() };
+ my ($dh, $cb, $path, $old_ctime) = @{$self->{watch}->{$ident}};
+ if (!defined($path) && ($mask & NOTE_WRITE) == NOTE_WRITE) {
+ eval { $cb->() };
+ } elsif ($mask & MOVED_TO_OR_CREATE) {
+ my @new_st = stat($path) or next;
+ $self->{watch}->{$ident}->[3] = $new_st[10]; # ctime
+ rewinddir($dh);
+ PublicInbox::FakeInotify::on_new_files($dh, $cb,
+ $path, $old_ctime);
}
}
}
sub cancel { close ${$_[0]} or die "close: $!" }
+package PublicInbox::KQNotify::Watchdir;
+use strict;
+
+sub cancel { closedir ${$_[0]} or die "closedir: $!" }
+
1;