initial code repo

[stor4nfv.git] / src / ceph / src / librbd / journal / CreateRequest.h

diff --git a/src/ceph/src/librbd/journal/CreateRequest.h b/src/ceph/src/librbd/journal/CreateRequest.h
new file mode 100644 (file)
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+++ b/src/ceph/src/librbd/journal/CreateRequest.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_CREATE_REQUEST_H
+#define CEPH_LIBRBD_JOURNAL_CREATE_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/ImageCtx.h"
+#include "journal/Journaler.h"
+#include "librbd/journal/Types.h"
+#include "librbd/journal/TypeTraits.h"
+#include "cls/journal/cls_journal_types.h"
+
+using librados::IoCtx;
+using journal::Journaler;
+
+class Context;
+class ContextWQ;
+class SafeTimer;
+
+namespace journal {
+  class Journaler;
+}
+
+namespace librbd {
+
+class ImageCtx;
+
+namespace journal {
+
+template<typename ImageCtxT = ImageCtx>
+class CreateRequest {
+public:
+  static CreateRequest *create(IoCtx &ioctx, const std::string &imageid,
+                                      uint8_t order, uint8_t splay_width,
+                                      const std::string &object_pool,
+                                      uint64_t tag_class, TagData &tag_data,
+                                      const std::string &client_id,
+                                      ContextWQ *op_work_queue, Context *on_finish) {
+    return new CreateRequest(ioctx, imageid, order, splay_width, object_pool,
+                                    tag_class, tag_data, client_id, op_work_queue,
+                                    on_finish);
+  }
+
+  void send();
+
+private:
+  typedef typename TypeTraits<ImageCtxT>::Journaler Journaler;
+
+  CreateRequest(IoCtx &ioctx, const std::string &imageid, uint8_t order,
+                       uint8_t splay_width, const std::string &object_pool,
+                       uint64_t tag_class, TagData &tag_data,
+                       const std::string &client_id, ContextWQ *op_work_queue,
+                       Context *on_finish);
+
+  IoCtx &m_ioctx;
+  std::string m_image_id;
+  uint8_t m_order;
+  uint8_t m_splay_width;
+  std::string m_object_pool;
+  uint64_t m_tag_class;
+  TagData m_tag_data;
+  std::string m_image_client_id;
+  ContextWQ *m_op_work_queue;
+  Context *m_on_finish;
+
+  CephContext *m_cct;
+  cls::journal::Tag m_tag;
+  bufferlist m_bl;
+  Journaler *m_journaler;
+  SafeTimer *m_timer;
+  Mutex *m_timer_lock;
+  int m_r_saved;
+
+  int64_t m_pool_id = -1;
+
+  void get_pool_id();
+
+  void create_journal();
+  Context *handle_create_journal(int *result);
+
+  void allocate_journal_tag();
+  Context *handle_journal_tag(int *result);
+
+  void register_client();
+  Context *handle_register_client(int *result);
+
+  void shut_down_journaler(int r);
+  Context *handle_journaler_shutdown(int *result);
+
+  void remove_journal();
+  Context *handle_remove_journal(int *result);
+
+  void complete(int r);
+};
+
+} // namespace journal
+} // namespace librbd
+
+extern template class librbd::journal::CreateRequest<librbd::ImageCtx>;
+
+#endif /* CEPH_LIBRBD_JOURNAL_CREATE_REQUEST_H */