initial code repo

[stor4nfv.git] / src / ceph / src / cls / journal / cls_journal_client.h

diff --git a/src/ceph/src/cls/journal/cls_journal_client.h b/src/ceph/src/cls/journal/cls_journal_client.h
new file mode 100644 (file)
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+++ b/src/ceph/src/cls/journal/cls_journal_client.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_CLS_JOURNAL_CLIENT_H
+#define CEPH_CLS_JOURNAL_CLIENT_H
+
+#include "cls/journal/cls_journal_types.h"
+#include <set>
+#include <boost/optional.hpp>
+
+class Context;
+namespace librados {
+  class IoCtx;
+  class ObjectWriteOperation;
+  class ObjectReadOperation;
+}
+
+namespace cls {
+namespace journal {
+namespace client {
+
+void create(librados::ObjectWriteOperation *op,
+            uint8_t order, uint8_t splay, int64_t pool_id);
+int create(librados::IoCtx &ioctx, const std::string &oid, uint8_t order,
+           uint8_t splay, int64_t pool_id);
+
+void get_immutable_metadata(librados::IoCtx &ioctx, const std::string &oid,
+                            uint8_t *order, uint8_t *splay_width,
+                           int64_t *pool_id, Context *on_finish);
+void get_mutable_metadata(librados::IoCtx &ioctx, const std::string &oid,
+                          uint64_t *minimum_set, uint64_t *active_set,
+                          std::set<cls::journal::Client> *clients,
+                          Context *on_finish);
+
+void set_minimum_set(librados::ObjectWriteOperation *op, uint64_t object_set);
+void set_active_set(librados::ObjectWriteOperation *op, uint64_t object_set);
+
+// journal client helpers
+int get_client(librados::IoCtx &ioctx, const std::string &oid,
+               const std::string &id, cls::journal::Client *client);
+void get_client_start(librados::ObjectReadOperation *op,
+                      const std::string &id);
+int get_client_finish(bufferlist::iterator *iter,
+                      cls::journal::Client *client);
+
+int client_register(librados::IoCtx &ioctx, const std::string &oid,
+                    const std::string &id, const bufferlist &data);
+void client_register(librados::ObjectWriteOperation *op,
+                     const std::string &id, const bufferlist &data);
+
+int client_update_data(librados::IoCtx &ioctx, const std::string &oid,
+                       const std::string &id, const bufferlist &data);
+void client_update_data(librados::ObjectWriteOperation *op,
+                        const std::string &id, const bufferlist &data);
+int client_update_state(librados::IoCtx &ioctx, const std::string &oid,
+                        const std::string &id, cls::journal::ClientState state);
+void client_update_state(librados::ObjectWriteOperation *op,
+                         const std::string &id,
+                         cls::journal::ClientState state);
+
+int client_unregister(librados::IoCtx &ioctx, const std::string &oid,
+                      const std::string &id);
+void client_unregister(librados::ObjectWriteOperation *op,
+                      const std::string &id);
+
+void client_commit(librados::ObjectWriteOperation *op, const std::string &id,
+                   const cls::journal::ObjectSetPosition &commit_position);
+
+int client_list(librados::IoCtx &ioctx, const std::string &oid,
+                std::set<cls::journal::Client> *clients);
+void client_list(librados::IoCtx &ioctx, const std::string &oid,
+                 std::set<cls::journal::Client> *clients, Context *on_finish);
+
+// journal tag helpers
+int get_next_tag_tid(librados::IoCtx &ioctx, const std::string &oid,
+                     uint64_t *tag_tid);
+void get_next_tag_tid_start(librados::ObjectReadOperation *op);
+int get_next_tag_tid_finish(bufferlist::iterator *iter,
+                            uint64_t *tag_tid);
+
+int get_tag(librados::IoCtx &ioctx, const std::string &oid,
+            uint64_t tag_tid, cls::journal::Tag *tag);
+void get_tag_start(librados::ObjectReadOperation *op,
+                   uint64_t tag_tid);
+int get_tag_finish(bufferlist::iterator *iter, cls::journal::Tag *tag);
+
+int tag_create(librados::IoCtx &ioctx, const std::string &oid,
+               uint64_t tag_tid, uint64_t tag_class,
+               const bufferlist &data);
+void tag_create(librados::ObjectWriteOperation *op,
+                uint64_t tag_tid, uint64_t tag_class,
+                const bufferlist &data);
+
+int tag_list(librados::IoCtx &ioctx, const std::string &oid,
+             const std::string &client_id, boost::optional<uint64_t> tag_class,
+             std::set<cls::journal::Tag> *tags);
+void tag_list_start(librados::ObjectReadOperation *op,
+                    uint64_t start_after_tag_tid, uint64_t max_return,
+                    const std::string &client_id,
+                    boost::optional<uint64_t> tag_class);
+int tag_list_finish(bufferlist::iterator *iter,
+                    std::set<cls::journal::Tag> *tags);
+
+// journal entry helpers
+void guard_append(librados::ObjectWriteOperation *op, uint64_t soft_max_size);
+
+} // namespace client
+} // namespace journal
+} // namespace cls
+
+#endif // CEPH_CLS_JOURNAL_CLIENT_H