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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 18:24:20 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 18:24:20 +0000
commit483eb2f56657e8e7f419ab1a4fab8dce9ade8609 (patch)
treee5d88d25d870d5dedacb6bbdbe2a966086a0a5cf /src/librbd/journal/ResetRequest.h
parentInitial commit. (diff)
downloadceph-483eb2f56657e8e7f419ab1a4fab8dce9ade8609.tar.xz
ceph-483eb2f56657e8e7f419ab1a4fab8dce9ade8609.zip
Adding upstream version 14.2.21.upstream/14.2.21upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/librbd/journal/ResetRequest.h')
-rw-r--r--src/librbd/journal/ResetRequest.h111
1 files changed, 111 insertions, 0 deletions
diff --git a/src/librbd/journal/ResetRequest.h b/src/librbd/journal/ResetRequest.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_JOURNAL_RESET_REQUEST_H
+#define CEPH_LIBRBD_JOURNAL_RESET_REQUEST_H
+
+#include "include/int_types.h"
+#include "include/buffer.h"
+#include "include/rados/librados.hpp"
+#include "include/rbd/librbd.hpp"
+#include "common/Mutex.h"
+#include "librbd/journal/TypeTraits.h"
+#include <string>
+
+class Context;
+class ContextWQ;
+class SafeTimer;
+
+namespace journal { class Journaler; }
+
+namespace librbd {
+
+class ImageCtx;
+
+namespace journal {
+
+template<typename ImageCtxT = ImageCtx>
+class ResetRequest {
+public:
+ static ResetRequest *create(librados::IoCtx &io_ctx,
+ const std::string &image_id,
+ const std::string &client_id,
+ const std::string &mirror_uuid,
+ ContextWQ *op_work_queue, Context *on_finish) {
+ return new ResetRequest(io_ctx, image_id, client_id, mirror_uuid,
+ op_work_queue, on_finish);
+ }
+
+ ResetRequest(librados::IoCtx &io_ctx, const std::string &image_id,
+ const std::string &client_id, const std::string &mirror_uuid,
+ ContextWQ *op_work_queue, Context *on_finish)
+ : m_io_ctx(io_ctx), m_image_id(image_id), m_client_id(client_id),
+ m_mirror_uuid(mirror_uuid), m_op_work_queue(op_work_queue),
+ m_on_finish(on_finish),
+ m_cct(reinterpret_cast<CephContext *>(m_io_ctx.cct())) {
+ }
+
+ void send();
+
+private:
+ /**
+ * @verbatim
+ *
+ * <start>
+ * |
+ * v
+ * INIT_JOURNALER
+ * |
+ * v
+ * SHUT_DOWN_JOURNALER
+ * |
+ * v
+ * REMOVE_JOURNAL
+ * |
+ * v
+ * CREATE_JOURNAL
+ * |
+ * v
+ * <finish>
+ *
+ * @endverbatim
+ */
+ typedef typename TypeTraits<ImageCtxT>::Journaler Journaler;
+
+ librados::IoCtx &m_io_ctx;
+ std::string m_image_id;
+ std::string m_client_id;
+ std::string m_mirror_uuid;
+ ContextWQ *m_op_work_queue;
+ Context *m_on_finish;
+
+ CephContext *m_cct;
+ Journaler *m_journaler = nullptr;
+ int m_ret_val = 0;
+
+ uint8_t m_order = 0;
+ uint8_t m_splay_width = 0;
+ std::string m_object_pool_name;
+
+ void init_journaler();
+ void handle_init_journaler(int r);
+
+ void shut_down_journaler();
+ void handle_journaler_shutdown(int r);
+
+ void remove_journal();
+ void handle_remove_journal(int r);
+
+ void create_journal();
+ void handle_create_journal(int r);
+
+ void finish(int r);
+
+};
+
+} // namespace journal
+} // namespace librbd
+
+extern template class librbd::journal::ResetRequest<librbd::ImageCtx>;
+
+#endif // CEPH_LIBRBD_JOURNAL_REMOVE_REQUEST_H