1 files changed, 20 insertions, 0 deletions
diff --git a/src/crimson/osd/osdmap_service.h b/src/crimson/osd/osdmap_service.h
new file mode 100644
index 000000000..effd45b79
--- /dev/null
+++ b/src/crimson/osd/osdmap_service.h
@@ -0,0 +1,20 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#pragma once
+
+#include <boost/smart_ptr/local_shared_ptr.hpp>
+
+#include "include/types.h"
+
+class OSDMap;
+
+class OSDMapService {
+public:
+  using cached_map_t = boost::local_shared_ptr<const OSDMap>;
+  virtual ~OSDMapService() = default;
+  virtual seastar::future<cached_map_t> get_map(epoch_t e) = 0;
+  /// get the latest map
+  virtual cached_map_t get_map() const = 0;
+  virtual epoch_t get_up_epoch() const = 0;
+};