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-rw-r--r--src/librbd/mirror/GetStatusRequest.h85
1 files changed, 85 insertions, 0 deletions
diff --git a/src/librbd/mirror/GetStatusRequest.h b/src/librbd/mirror/GetStatusRequest.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_GET_STATUS_REQUEST_H
+#define CEPH_LIBRBD_MIRROR_GET_STATUS_REQUEST_H
+
+#include "include/buffer.h"
+#include "librbd/mirror/Types.h"
+#include <string>
+
+struct Context;
+namespace cls { namespace rbd { struct MirrorImage; } }
+namespace cls { namespace rbd { struct MirrorImageStatus; } }
+
+namespace librbd {
+
+struct ImageCtx;
+
+namespace mirror {
+
+template <typename ImageCtxT = librbd::ImageCtx>
+class GetStatusRequest {
+public:
+ static GetStatusRequest *create(ImageCtxT &image_ctx,
+ cls::rbd::MirrorImageStatus *status,
+ cls::rbd::MirrorImage *mirror_image,
+ PromotionState *promotion_state,
+ Context *on_finish) {
+ return new GetStatusRequest(image_ctx, status, mirror_image,
+ promotion_state, on_finish);
+ }
+
+ GetStatusRequest(ImageCtxT &image_ctx, cls::rbd::MirrorImageStatus *status,
+ cls::rbd::MirrorImage *mirror_image,
+ PromotionState *promotion_state, Context *on_finish)
+ : m_image_ctx(image_ctx), m_mirror_image_status(status),
+ m_mirror_image(mirror_image), m_promotion_state(promotion_state),
+ m_on_finish(on_finish) {
+ }
+
+ void send();
+
+private:
+ /**
+ * @verbatim
+ *
+ * <start>
+ * |
+ * v
+ * GET_INFO
+ * |
+ * v
+ * GET_STATUS
+ * |
+ * v
+ * <finish>
+ *
+ * @endverbatim
+ */
+
+ ImageCtxT &m_image_ctx;
+ cls::rbd::MirrorImageStatus *m_mirror_image_status;
+ cls::rbd::MirrorImage *m_mirror_image;
+ PromotionState *m_promotion_state;
+ Context *m_on_finish;
+
+ bufferlist m_out_bl;
+
+ void get_info();
+ void handle_get_info(int r);
+
+ void get_status();
+ void handle_get_status(int r);
+
+ void finish(int r);
+
+};
+
+} // namespace mirror
+} // namespace librbd
+
+extern template class librbd::mirror::GetStatusRequest<librbd::ImageCtx>;
+
+#endif // CEPH_LIBRBD_MIRROR_GET_STATUS_REQUEST_H
+