use parent qw(Rose::Object);
use English qw(-no_match_vars);
+use FindBin;
use File::Spec;
use File::Basename;
+use List::Util qw(first);
+
+my $cached_exe_dir;
sub exe_dir {
- my $dir = dirname(File::Spec->rel2abs($PROGRAM_NAME));
- my $system_dir = File::Spec->catdir($dir, 'SL', 'System');
- return $dir if -d $system_dir && -f File::Spec->catfile($system_dir, 'TaskServer.pm');
+ return $cached_exe_dir if defined $cached_exe_dir;
+
+ my $bin_dir = File::Spec->rel2abs($FindBin::Bin);
+ my @dirs = File::Spec->splitdir($bin_dir);
+
+ $cached_exe_dir = first { -f File::Spec->catdir(@dirs[0..$_], 'SL', 'System', 'TaskServer.pm') }
+ reverse(0..scalar(@dirs) - 1);
+ $cached_exe_dir = defined($cached_exe_dir) ? File::Spec->catdir(@dirs[0..$cached_exe_dir]) : File::Spec->curdir;
+
+ return $cached_exe_dir;
+}
+
+sub _parse_number_with_unit {
+ my ($number) = @_;
- my @dirs = reverse File::Spec->splitdir($dir);
- shift @dirs;
- $dir = File::Spec->catdir(reverse @dirs);
- $system_dir = File::Spec->catdir($dir, 'SL', 'System');
- return File::Spec->curdir unless -d $system_dir && -f File::Spec->catfile($system_dir, 'TaskServer.pm');
+ return undef unless defined $number;
+ return $number unless $number =~ m{^ \s* (\d+) \s* ([kmg])b \s* $}xi;
- return $dir;
+ my %factors = (K => 1024, M => 1024 * 1024, G => 1024 * 1024 * 1024);
+
+ return $1 * $factors{uc $2};
+}
+
+sub memory_usage_is_too_high {
+ return undef unless $::lx_office_conf{system};
+
+ my %limits = (
+ rss => _parse_number_with_unit($::lx_office_conf{system}->{memory_limit_rss}),
+ size => _parse_number_with_unit($::lx_office_conf{system}->{memory_limit_vsz}),
+ );
+
+ # $::lxdebug->dump(0, "limits", \%limits);
+
+ return undef unless $limits{rss} || $limits{vsz};
+
+ my %usage;
+
+ my $in = IO::File->new("/proc/$$/status", "r") or return undef;
+
+ while (<$in>) {
+ chomp;
+ $usage{lc $1} = _parse_number_with_unit($2) if m{^ vm(rss|size): \s* (\d+ \s* [kmg]b) \s* $}ix;
+ }
+
+ $in->close;
+
+ # $::lxdebug->dump(0, "usage", \%usage);
+
+ foreach my $type (keys %limits) {
+ next if !$limits{$type};
+ next if $limits{$type} >= ($usage{$type} // 0);
+
+ {
+ no warnings 'once';
+ $::lxdebug->message(LXDebug::WARN(), "Exiting due to memory size limit reached for type '${type}': limit " . $limits{$type} . " bytes, usage " . $usage{$type} . " bytes");
+ }
+
+ return 1;
+ }
+
+ return 0;
}
1;
(C<login.pl> etc.) and modules (sub-directory C<SL/> etc.) are located
in.
+=item C<memory_usage_is_too_high>
+
+Returns true if the current process uses more memory than the configured
+limits.
+
=back
=head1 BUGS