1 files changed, 33 insertions, 0 deletions
diff --git a/src/libstore/s3-binary-cache-store.hh b/src/libstore/s3-binary-cache-store.hh
new file mode 100644
index 000000000000..4d43fe4d23d8
--- /dev/null
+++ b/src/libstore/s3-binary-cache-store.hh
@@ -0,0 +1,33 @@
+#pragma once
+
+#include "binary-cache-store.hh"
+
+#include <atomic>
+
+namespace nix {
+
+class S3BinaryCacheStore : public BinaryCacheStore
+{
+protected:
+
+    S3BinaryCacheStore(const Params & params)
+        : BinaryCacheStore(params)
+    { }
+
+public:
+
+    struct Stats
+    {
+        std::atomic<uint64_t> put{0};
+        std::atomic<uint64_t> putBytes{0};
+        std::atomic<uint64_t> putTimeMs{0};
+        std::atomic<uint64_t> get{0};
+        std::atomic<uint64_t> getBytes{0};
+        std::atomic<uint64_t> getTimeMs{0};
+        std::atomic<uint64_t> head{0};
+    };
+
+    virtual const Stats & getS3Stats() = 0;
+};
+
+}