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-rw-r--r--src/tools/rbd_mirror/pool_watcher/RefreshImagesRequest.h73
1 files changed, 73 insertions, 0 deletions
diff --git a/src/tools/rbd_mirror/pool_watcher/RefreshImagesRequest.h b/src/tools/rbd_mirror/pool_watcher/RefreshImagesRequest.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_RBD_MIRROR_POOL_WATCHER_REFRESH_IMAGES_REQUEST_H
+#define CEPH_RBD_MIRROR_POOL_WATCHER_REFRESH_IMAGES_REQUEST_H
+
+#include "include/buffer.h"
+#include "include/rados/librados.hpp"
+#include "tools/rbd_mirror/Types.h"
+#include <string>
+
+struct Context;
+
+namespace librbd { struct ImageCtx; }
+
+namespace rbd {
+namespace mirror {
+namespace pool_watcher {
+
+template <typename ImageCtxT = librbd::ImageCtx>
+class RefreshImagesRequest {
+public:
+ static RefreshImagesRequest *create(librados::IoCtx &remote_io_ctx,
+ ImageIds *image_ids, Context *on_finish) {
+ return new RefreshImagesRequest(remote_io_ctx, image_ids, on_finish);
+ }
+
+ RefreshImagesRequest(librados::IoCtx &remote_io_ctx, ImageIds *image_ids,
+ Context *on_finish)
+ : m_remote_io_ctx(remote_io_ctx), m_image_ids(image_ids),
+ m_on_finish(on_finish) {
+ }
+
+ void send();
+
+private:
+ /**
+ * @verbatim
+ *
+ * <start>
+ * |
+ * | /-------------\
+ * | | |
+ * v v | (more images)
+ * MIRROR_IMAGE_LIST ---/
+ * |
+ * v
+ * <finish>
+ *
+ * @endverbatim
+ */
+
+ librados::IoCtx &m_remote_io_ctx;
+ ImageIds *m_image_ids;
+ Context *m_on_finish;
+
+ bufferlist m_out_bl;
+ std::string m_start_after;
+
+ void mirror_image_list();
+ void handle_mirror_image_list(int r);
+
+ void finish(int r);
+
+};
+
+} // namespace pool_watcher
+} // namespace mirror
+} // namespace rbd
+
+extern template class rbd::mirror::pool_watcher::RefreshImagesRequest<librbd::ImageCtx>;
+
+#endif // CEPH_RBD_MIRROR_POOL_WATCHER_REFRESH_IMAGES_REQUEST_H