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-rw-r--r--src/tools/rbd_mirror/image_sync/SyncPointCreateRequest.h93
1 files changed, 93 insertions, 0 deletions
diff --git a/src/tools/rbd_mirror/image_sync/SyncPointCreateRequest.h b/src/tools/rbd_mirror/image_sync/SyncPointCreateRequest.h
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+++ b/src/tools/rbd_mirror/image_sync/SyncPointCreateRequest.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_SYNC_SYNC_POINT_CREATE_REQUEST_H
+#define RBD_MIRROR_IMAGE_SYNC_SYNC_POINT_CREATE_REQUEST_H
+
+#include "librbd/internal.h"
+#include "Types.h"
+#include <string>
+
+class Context;
+namespace journal { class Journaler; }
+namespace librbd { class ImageCtx; }
+namespace librbd { namespace journal { struct MirrorPeerClientMeta; } }
+
+namespace rbd {
+namespace mirror {
+namespace image_sync {
+
+template <typename ImageCtxT = librbd::ImageCtx>
+class SyncPointCreateRequest {
+public:
+ static SyncPointCreateRequest* create(
+ ImageCtxT *remote_image_ctx,
+ const std::string &local_mirror_uuid,
+ SyncPointHandler* sync_point_handler,
+ Context *on_finish) {
+ return new SyncPointCreateRequest(remote_image_ctx, local_mirror_uuid,
+ sync_point_handler, on_finish);
+ }
+
+ SyncPointCreateRequest(
+ ImageCtxT *remote_image_ctx,
+ const std::string &local_mirror_uuid,
+ SyncPointHandler* sync_point_handler,
+ Context *on_finish);
+
+ void send();
+
+private:
+ /**
+ * @verbatim
+ *
+ * <start>
+ * |
+ * v
+ * UPDATE_SYNC_POINTS < . .
+ * | .
+ * v .
+ * REFRESH_IMAGE .
+ * | . (repeat on EEXIST)
+ * v .
+ * CREATE_SNAP . . . . . .
+ * |
+ * v
+ * REFRESH_IMAGE
+ * |
+ * v
+ * <finish>
+ *
+ * @endverbatim
+ */
+
+ ImageCtxT *m_remote_image_ctx;
+ std::string m_local_mirror_uuid;
+ SyncPointHandler* m_sync_point_handler;
+ Context *m_on_finish;
+
+ SyncPoints m_sync_points_copy;
+ librbd::NoOpProgressContext m_prog_ctx;
+
+ void send_update_sync_points();
+ void handle_update_sync_points(int r);
+
+ void send_refresh_image();
+ void handle_refresh_image(int r);
+
+ void send_create_snap();
+ void handle_create_snap(int r);
+
+ void send_final_refresh_image();
+ void handle_final_refresh_image(int r);
+
+ void finish(int r);
+};
+
+} // namespace image_sync
+} // namespace mirror
+} // namespace rbd
+
+extern template class rbd::mirror::image_sync::SyncPointCreateRequest<librbd::ImageCtx>;
+
+#endif // RBD_MIRROR_IMAGE_SYNC_SYNC_POINT_CREATE_REQUEST_H