Ydb stable 23-1-1923.1.19

x-stable-origin-commit: c5d5a396e89d0a72e0267a55e93d8404d4fb54fe

1 files changed, 37 insertions, 0 deletions

diff --git a/library/cpp/unified_agent_client/clock.h b/library/cpp/unified_agent_client/clock.h
new file mode 100644
index 00000000000..77ff44583ec
--- /dev/null
+++ b/library/cpp/unified_agent_client/clock.h
@@ -0,0 +1,37 @@
+#pragma once
+
+#include <util/datetime/base.h>
+
+#include <atomic>
+
+namespace NUnifiedAgent {
+    class TClock {
+    public:
+        static void Configure();
+
+        static inline bool Configured() {
+            return Configured_;
+        }
+
+        static inline TInstant Now() {
+            return Configured_ ? Get() : TInstant::Now();
+        }
+
+        static void SetBase(TInstant value);
+
+        static void ResetBase();
+
+        static void ResetBaseWithShift();
+
+        static void SetShift(TDuration value);
+
+        static void ResetShift();
+
+        static TInstant Get();
+
+    private:
+        static bool Configured_;
+        static std::atomic<ui64> Base_;
+        static std::atomic<i64> Shift_;
+    };
+}