initial code repo

[stor4nfv.git] / src / ceph / src / tools / rbd_mirror / image_replayer / OpenImageRequest.h

diff --git a/src/ceph/src/tools/rbd_mirror/image_replayer/OpenImageRequest.h b/src/ceph/src/tools/rbd_mirror/image_replayer/OpenImageRequest.h
new file mode 100644 (file)
index 0000000..01ab311
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+++ b/src/ceph/src/tools/rbd_mirror/image_replayer/OpenImageRequest.h
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+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef RBD_MIRROR_IMAGE_REPLAYER_OPEN_IMAGE_REQUEST_H
+#define RBD_MIRROR_IMAGE_REPLAYER_OPEN_IMAGE_REQUEST_H
+
+#include "include/int_types.h"
+#include "librbd/ImageCtx.h"
+#include <string>
+
+class Context;
+namespace librbd { class ImageCtx; }
+
+namespace rbd {
+namespace mirror {
+namespace image_replayer {
+
+template <typename ImageCtxT = librbd::ImageCtx>
+class OpenImageRequest {
+public:
+  static OpenImageRequest* create(librados::IoCtx &io_ctx,
+                                  ImageCtxT **image_ctx,
+                                  const std::string &image_id,
+                                  bool read_only, Context *on_finish) {
+    return new OpenImageRequest(io_ctx, image_ctx, image_id, read_only,
+                                on_finish);
+  }
+
+  OpenImageRequest(librados::IoCtx &io_ctx, ImageCtxT **image_ctx,
+                   const std::string &image_id, bool read_only,
+                   Context *on_finish);
+
+  void send();
+
+private:
+  /**
+   * @verbatim
+   *
+   * <start>
+   *    |
+   *    v
+   * OPEN_IMAGE
+   *    |
+   *    v
+   * <finish>
+   *
+   * @endverbatim
+   */
+  librados::IoCtx &m_io_ctx;
+  ImageCtxT **m_image_ctx;
+  std::string m_image_id;
+  bool m_read_only;
+  Context *m_on_finish;
+
+  void send_open_image();
+  void handle_open_image(int r);
+
+  void send_close_image(int r);
+  void handle_close_image(int r);
+
+  void finish(int r);
+
+};
+
+} // namespace image_replayer
+} // namespace mirror
+} // namespace rbd
+
+extern template class rbd::mirror::image_replayer::OpenImageRequest<librbd::ImageCtx>;
+
+#endif // RBD_MIRROR_IMAGE_REPLAYER_OPEN_IMAGE_REQUEST_H