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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 11:54:28 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-21 11:54:28 +0000
commite6918187568dbd01842d8d1d2c808ce16a894239 (patch)
tree64f88b554b444a49f656b6c656111a145cbbaa28 /src/librbd/mirror/ImageStateUpdateRequest.h
parentInitial commit. (diff)
downloadceph-e6918187568dbd01842d8d1d2c808ce16a894239.tar.xz
ceph-e6918187568dbd01842d8d1d2c808ce16a894239.zip
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/librbd/mirror/ImageStateUpdateRequest.h')
-rw-r--r--src/librbd/mirror/ImageStateUpdateRequest.h92
1 files changed, 92 insertions, 0 deletions
diff --git a/src/librbd/mirror/ImageStateUpdateRequest.h b/src/librbd/mirror/ImageStateUpdateRequest.h
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+++ b/src/librbd/mirror/ImageStateUpdateRequest.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 CEPH_LIBRBD_MIRROR_IMAGE_STATE_UPDATE_REQUEST_H
+#define CEPH_LIBRBD_MIRROR_IMAGE_STATE_UPDATE_REQUEST_H
+
+#include "include/rados/librados.hpp"
+#include "common/ceph_mutex.h"
+#include "cls/rbd/cls_rbd_types.h"
+#include "librbd/mirror/Types.h"
+
+#include <string>
+
+class Context;
+
+namespace librbd {
+
+class ImageCtx;
+
+namespace mirror {
+
+template <typename ImageCtxT = ImageCtx>
+class ImageStateUpdateRequest {
+public:
+ static ImageStateUpdateRequest *create(
+ librados::IoCtx& io_ctx,
+ const std::string& image_id,
+ cls::rbd::MirrorImageState mirror_image_state,
+ const cls::rbd::MirrorImage& mirror_image,
+ Context* on_finish) {
+ return new ImageStateUpdateRequest(
+ io_ctx, image_id, mirror_image_state, mirror_image, on_finish);
+ }
+
+ ImageStateUpdateRequest(
+ librados::IoCtx& io_ctx,
+ const std::string& image_id,
+ cls::rbd::MirrorImageState mirror_image_state,
+ const cls::rbd::MirrorImage& mirror_image,
+ Context* on_finish);
+
+ void send();
+
+private:
+ /**
+ * @verbatim
+ *
+ * <start>
+ * |
+ * v (skip if provided)
+ * GET_MIRROR_IMAGE
+ * |
+ * v
+ * SET_MIRROR_IMAGE
+ * |
+ * v
+ * NOTIFY_MIRRORING_WATCHER
+ * |
+ * v
+ * <finish>
+ *
+ * @endverbatim
+ */
+
+ librados::IoCtx& m_io_ctx;
+ std::string m_image_id;
+ cls::rbd::MirrorImageState m_mirror_image_state;
+ cls::rbd::MirrorImage m_mirror_image;
+ Context* m_on_finish;
+
+ CephContext* m_cct;
+ bufferlist m_out_bl;
+
+ void get_mirror_image();
+ void handle_get_mirror_image(int r);
+
+ void set_mirror_image();
+ void handle_set_mirror_image(int r);
+
+ void notify_mirroring_watcher();
+ void handle_notify_mirroring_watcher(int r);
+
+ void finish(int r);
+
+};
+
+} // namespace mirror
+} // namespace librbd
+
+extern template class librbd::mirror::ImageStateUpdateRequest<librbd::ImageCtx>;
+
+#endif // CEPH_LIBRBD_MIRROR_IMAGE_STATE_UPDATE_REQUEST_H