intermediate changes

ref:fd45b675f102830e5f7311e0b3c6aaa6ee7d4eaa

1 files changed, 17 insertions, 0 deletions

diff --git a/library/cpp/lwtrace/log.h b/library/cpp/lwtrace/log.h
index ddf85d9916..0e05ec6306 100644
--- a/library/cpp/lwtrace/log.h
+++ b/library/cpp/lwtrace/log.h
@@ -444,6 +444,12 @@ namespace NLWTrace {
                     }
                 }
             }
+
+            template <class TReader>
+            void ExtractItems(TReader& r) {
+                ReadItems(r);
+                OldBuffer->Clear();
+            }
         };
 
         size_t Capacity;
@@ -547,6 +553,17 @@ namespace NLWTrace {
             }
         }
 
+        template <class TReader>
+        void ExtractItems(TReader& r) const {
+            TGuard<TSpinLock> g(Lock);
+            for (auto i: StoragesVec) {
+                i->ExtractItems(r);
+            }
+            for (const auto& orphanStorage: OrphanStorages) {
+                orphanStorage->ExtractItems(r);
+            }
+        }
+
         class TAccessor {
         private:
             TStorage& Storage;