From 806e74ba7c4a12f7a0d827911259e209d5f842f7 Mon Sep 17 00:00:00 2001
From: qgarnier <qgarnier@centreon.com>
Date: Mon, 24 Jul 2017 15:34:03 +0200
Subject: [PATCH] fix l2tp nokia mode

---
 network/nokia/timos/snmp/mode/l2tpusage.pm | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/network/nokia/timos/snmp/mode/l2tpusage.pm b/network/nokia/timos/snmp/mode/l2tpusage.pm
index 580fb419a..33519309c 100644
--- a/network/nokia/timos/snmp/mode/l2tpusage.pm
+++ b/network/nokia/timos/snmp/mode/l2tpusage.pm
@@ -79,8 +79,12 @@ sub custom_total_sessions_calc {
             next if (!defined($options{old_datas}->{$_}));
             my $old_total = $options{old_datas}->{$_};
             
-            $total_sessions += $new_total - $old_total;
-            $total_sessions += $old_total if ($total_sessions <= 0);
+            my $diff_sessions += $new_total - $old_total;
+            if ($diff_sessions < 0) {
+                $total_sessions += $old_total;
+            } else {
+                $total_sessions += $diff_sessions;
+            }
         }
     }
     
@@ -196,7 +200,7 @@ sub prefix_peer_output {
 
 sub new {
     my ($class, %options) = @_;
-    my $self = $class->SUPER::new(package => __PACKAGE__, %options);
+    my $self = $class->SUPER::new(package => __PACKAGE__, %options, statefile => 1);
     bless $self, $class;
     
     $self->{version} = '1.0';