80 lines
2.6 KiB
C++
80 lines
2.6 KiB
C++
/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#ifndef OB_FILE_SYSTEM_ROUTER_H_
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#define OB_FILE_SYSTEM_ROUTER_H_
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#include "common/ob_zone.h"
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#include "lib/container/ob_se_array.h"
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#include "lib/lock/ob_tc_rwlock.h"
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#include "lib/ob_define.h"
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#include "lib/utility/ob_macro_utils.h"
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#include "share/ob_zone_info.h"
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#include "storage/blocksstable/ob_log_file_spec.h"
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namespace oceanbase {
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namespace storage {
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class ObFileSystemRouter final
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{
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public:
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static ObFileSystemRouter & get_instance();
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int init(const char *data_dir,
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const char *cluster_name,
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const int64_t cluster_id,
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const char *zone,
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const common::ObAddr &svr_addr);
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OB_INLINE const char* get_data_dir() const { return data_dir_; }
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OB_INLINE const char* get_slog_dir() const { return slog_dir_; }
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OB_INLINE const char* get_clog_dir() const { return clog_dir_; }
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int get_tenant_clog_dir(
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const uint64_t tenant_id,
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char (&tenant_clog_dir)[common::MAX_PATH_SIZE]);
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// only work in local file system
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OB_INLINE const char* get_sstable_dir() const { return sstable_dir_; }
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OB_INLINE int64_t get_svr_seq() const { return svr_seq_; }
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OB_INLINE void set_svr_seq(const int64_t svr_seq) { svr_seq_ = svr_seq; }
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OB_INLINE bool is_single_zone_deployment_on() const { return false; }
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OB_INLINE const blocksstable::ObLogFileSpec &get_clog_file_spec() const { return clog_file_spec_; }
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OB_INLINE const blocksstable::ObLogFileSpec &get_slog_file_spec() const { return slog_file_spec_; }
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private:
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ObFileSystemRouter();
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virtual ~ObFileSystemRouter() = default;
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void reset();
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int init_shm_file_path();
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int init_local_dirs(const char* data_dir);
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private:
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char data_dir_[common::MAX_PATH_SIZE];
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char slog_dir_[common::MAX_PATH_SIZE];
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char clog_dir_[common::MAX_PATH_SIZE];
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char sstable_dir_[common::MAX_PATH_SIZE];
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blocksstable::ObLogFileSpec clog_file_spec_;
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blocksstable::ObLogFileSpec slog_file_spec_;
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int64_t svr_seq_;
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bool is_inited_;
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DISALLOW_COPY_AND_ASSIGN(ObFileSystemRouter);
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};
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#define OB_FILE_SYSTEM_ROUTER (::oceanbase::storage::ObFileSystemRouter::get_instance())
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} // namespace storage
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} // namespace oceanbase
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#endif /* OB_FILE_SYSTEM_ROUTER_H_ */
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