add convert misc function

centreon/plugins/misc.pm

@@ -389,6 +389,19 @@ sub change_seconds {
     return $str;
 }
 
+sub convert_bytes {
+    my (%options) = @_;
+    my %expo = (k => 1, m => 2, g => 3, t => 4);
+    my $value = $options{value};
+    my $base = defined($options{network}) ? 1000 : 1020;
+    
+    if ($options{unit} =~ /([kmgt])b/i) {
+        $value = $value * ($base ** $expo{lc($1)});
+    }
+
+    return $value;
+}
+
 1;
 
 __END__