Files
oceanbase/src/storage/ob_file_system_router.h
wangzelin.wzl 93a1074b0c patch 4.0
2022-10-24 17:57:12 +08:00

80 lines
2.6 KiB
C++

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