Dispatcher: Requstloop vom dispatcher.fpl nach Dispatcher.pm verschoben

[kivitendo-erp.git] / SL / Dispatcher.pm

diff --git a/SL/Dispatcher.pm b/SL/Dispatcher.pm
index 3897321..6322027 100644 (file)
--- a/SL/Dispatcher.pm
+++ b/SL/Dispatcher.pm
@@ -22,7 +22,9 @@ use Config::Std;
 use DateTime;
 use Encode;
 use English qw(-no_match_vars);
+use FCGI;
 use File::Basename;
+use IO::File;
 use List::MoreUtils qw(all);
 use List::Util qw(first);
 use SL::ArchiveZipFixes;
@@ -221,6 +223,19 @@ sub _run_controller {
   "SL::Controller::$_[0]"->new->_run_action($_[1]);
 }
 
+sub handle_all_requests {
+  my ($self) = @_;
+
+  my $request = FCGI::Request();
+  while ($request->Accept() >= 0) {
+    $self->handle_request($request);
+    if (_memory_usage_is_too_high()) {
+      $request->Flush();
+      last;
+    }
+  }
+}
+
 sub handle_request {
   my $self         = shift;
   $self->{request} = shift;
@@ -481,6 +496,54 @@ sub _check_for_old_config_files {
   ::end_of_request();
 }
 
+sub _parse_number_with_unit {
+  my ($number) = @_;
+
+  return undef   unless defined $number;
+  return $number unless $number =~ m{^ \s* (\d+) \s* ([kmg])b \s* $}xi;
+
+  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);
+
+    $::lxdebug->message(LXDebug::WARN(), "Exiting due to memory size limit reached for type '${type}': limit " . $limits{$type} . " bytes, usage " . $usage{$type} . " bytes");
+
+    return 1;
+  }
+
+  return 0;
+}
+
 package main;
 
 use strict;