1 files changed, 37 insertions, 0 deletions
diff --git a/src/librbd/io/DispatcherInterface.h b/src/librbd/io/DispatcherInterface.h
new file mode 100644
index 000000000..2bac9ee75
--- /dev/null
+++ b/src/librbd/io/DispatcherInterface.h
@@ -0,0 +1,37 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_LIBRBD_IO_DISPATCHER_INTERFACE_H
+#define CEPH_LIBRBD_IO_DISPATCHER_INTERFACE_H
+
+#include "include/int_types.h"
+
+struct Context;
+
+namespace librbd {
+namespace io {
+
+template <typename DispatchT>
+struct DispatcherInterface {
+public:
+  typedef DispatchT Dispatch;
+  typedef typename DispatchT::DispatchLayer DispatchLayer;
+  typedef typename DispatchT::DispatchSpec DispatchSpec;
+
+  virtual ~DispatcherInterface() {
+  }
+
+  virtual void shut_down(Context* on_finish) = 0;
+
+  virtual void register_dispatch(Dispatch* dispatch) = 0;
+  virtual bool exists(DispatchLayer dispatch_layer) = 0;
+  virtual void shut_down_dispatch(DispatchLayer dispatch_layer,
+                                  Context* on_finish) = 0;
+
+  virtual void send(DispatchSpec* dispatch_spec) = 0;
+};
+
+} // namespace io
+} // namespace librbd
+
+#endif // CEPH_LIBRBD_IO_DISPATCHER_INTERFACE_H