# License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
package PublicInbox::IMAPTracker;
use strict;
+use parent qw(PublicInbox::Lock);
use DBI;
use DBD::SQLite;
use PublicInbox::Config;
INSERT OR REPLACE INTO imap_last (url, uid_validity, uid)
VALUES (?, ?, ?)
- $sth->execute($self->{url}, $validity, $last);
+ $self->lock_acquire;
+ my $rv = $sth->execute($self->{url}, $validity, $last);
+ $self->lock_release;
+ $rv;
}
sub new {
require File::Basename;
File::Path::mkpath(File::Basename::dirname($dbname));
}
-
- bless { url => $url, dbh => dbh_new($dbname) }, $class;
+ my $self = bless { lock_path => "$dbname.lock", url => $url }, $class;
+ $self->lock_acquire;
+ $self->{dbh} = dbh_new($dbname);
+ $self->lock_release;
+ $self;
}
1;
mkdir "$tmpdir/old" or die "mkdir $tmpdir/old: $!";
my $old = "$tmpdir/old/imap.sqlite3";
my $cur = "$tmpdir/data/public-inbox/imap.sqlite3";
+local $ENV{XDG_DATA_HOME} = "$tmpdir/data";
{
- local $ENV{XDG_DATA_HOME} = "$tmpdir/data";
local $ENV{PI_DIR} = "$tmpdir/old";
my $tracker = PublicInbox::IMAPTracker->new;
$tracker = PublicInbox::IMAPTracker->new;
ok(!-f $cur, '->new does not create new file if old is present');
}
+SKIP: {
+ my $nproc = $ENV{TEST_STRESS_NPROC};
+ skip 'TEST_STRESS_NPROC= not set', 1 unless $nproc;
+ my $nr = $ENV{TEST_STRESS_NR} // 10000;
+ diag "TEST_STRESS_NPROC=$nproc TEST_STRESS_NR=$nr";
+ require POSIX;
+ for my $n (1..$nproc) {
+ defined(my $pid = fork) or BAIL_OUT "fork: $!";
+ if ($pid == 0) {
+ my $url = "imap://example.com/INBOX.$$";
+ my $uidval = time;
+ eval {
+ my $itrk = PublicInbox::IMAPTracker->new($url);
+ for my $uid (1..$nr) {
+ $itrk->update_last($uidval, $uid);
+ my ($uv, $u) = $itrk->get_last;
+ }
+ };
+ warn "E: $n $$ - $@\n" if $@;
+ POSIX::_exit($@ ? 1 : 0);
+ }
+ }
+ while (1) {
+ my $pid = waitpid(-1, 0);
+ last if $pid < 0;
+ is($?, 0, "$pid exited");
+ }
+}
done_testing;