initial code repo

[stor4nfv.git] / src / ceph / src / librbd / image / SetFlagsRequest.h

diff --git a/src/ceph/src/librbd/image/SetFlagsRequest.h b/src/ceph/src/librbd/image/SetFlagsRequest.h
new file mode 100644 (file)
index 0000000..36905e6
--- /dev/null
+++ b/src/ceph/src/librbd/image/SetFlagsRequest.h
@@ -0,0 +1,62 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_LIBRBD_IMAGE_SET_FLAGS_REQUEST_H
+#define CEPH_LIBRBD_IMAGE_SET_FLAGS_REQUEST_H
+
+#include "include/buffer.h"
+#include "common/Mutex.h"
+#include <map>
+#include <string>
+
+class Context;
+
+namespace librbd {
+
+class ImageCtx;
+
+namespace image {
+
+template <typename ImageCtxT = ImageCtx>
+class SetFlagsRequest {
+public:
+  static SetFlagsRequest *create(ImageCtxT *image_ctx, uint64_t flags,
+                                uint64_t mask, Context *on_finish) {
+    return new SetFlagsRequest(image_ctx, flags, mask, on_finish);
+  }
+
+  void send();
+
+private:
+  /**
+   * @verbatim
+   *
+   * <start>
+   *    |   .  .  .
+   *    v   v     .
+   * SET_FLAGS    . (for every snapshot)
+   *    |   .     .
+   *    v   .  .  .
+   * <finis>
+   *
+   * @endverbatim
+   */
+
+  SetFlagsRequest(ImageCtxT *image_ctx, uint64_t flags, uint64_t mask,
+                 Context *on_finish);
+
+  ImageCtxT *m_image_ctx;
+  uint64_t m_flags;
+  uint64_t m_mask;
+  Context *m_on_finish;
+
+  void send_set_flags();
+  Context *handle_set_flags(int *result);
+};
+
+} // namespace image
+} // namespace librbd
+
+extern template class librbd::image::SetFlagsRequest<librbd::ImageCtx>;
+
+#endif // CEPH_LIBRBD_IMAGE_SET_FLAGS_REQUEST_H