// vim: ts=8 sw=2 smarttab
#include "include/buffer.h"
+#include "include/buffer_raw.h"
namespace ceph::buffer_instrumentation {
+// this is nothing more than an intermediary for a class hierarchy which
+// can placed between a user's custom raw and the `ceph::buffer::raw` to
+// detect whether a given `ceph::buffer::ptr` instance wraps a particular
+// raw's implementation (via `dynamic_cast` or `typeid`).
+//
+// users are supposed to define marker type (e.g. `class my_marker{}`).
+// this marker. i
+template <class MarkerT>
+struct instrumented_raw : public ceph::buffer::raw {
+ using raw::raw;
+};
+
struct instrumented_bptr : public ceph::buffer::ptr {
const ceph::buffer::raw* get_raw() const {
return _raw;
}
+
+ template <class MarkerT>
+ bool is_raw_marked() const {
+ return dynamic_cast<const instrumented_raw<MarkerT>*>(get_raw()) != nullptr;
+ }
};
} // namespace ceph::buffer_instrumentation