From 499adf847db401d368d6611b2ec46014568b87dd Mon Sep 17 00:00:00 2001
From: Lenar Fatikhov <fatikhov@meta.com>
Date: Fri, 15 Nov 2024 09:54:12 -0800
Subject: [PATCH] for SETs via DL, compare write timestamp with existing item
 creation time

Summary: as title

Reviewed By: stuclar

Differential Revision: D65797021

fbshipit-source-id: 4e48c7d03837e345176dd794c52abbdf9948c5a1
---
 mcrouter/lib/carbon/RequestCommon.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/mcrouter/lib/carbon/RequestCommon.h b/mcrouter/lib/carbon/RequestCommon.h
index 609db44e1..498b73df5 100644
--- a/mcrouter/lib/carbon/RequestCommon.h
+++ b/mcrouter/lib/carbon/RequestCommon.h
@@ -102,10 +102,14 @@ class RequestCommon : public MessageCommon {
     sourceIpAddr_ = sourceIpAddr;
   }
 
-  void setWriteTimestamp(uint64_t writeTimestamp) noexcept {
+  void setWriteTimestampNs(uint64_t writeTimestamp) noexcept {
     writeTimestamp_ = writeTimestamp;
   }
 
+  std::optional<uint64_t> getWriteTimestampNs() const noexcept {
+    return writeTimestamp_;
+  }
+
  protected:
   void markBufferAsDirty() {
     serializedBuffer_ = nullptr;