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

85 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 SRC_SHARE_BACKUP_OB_BACKUP_INFO_MGR_H_
#define SRC_SHARE_BACKUP_OB_BACKUP_INFO_MGR_H_
#include "share/ob_define.h"
#include "share/ob_rpc_struct.h"
#include "share/ob_thread_pool.h"
namespace oceanbase
{
namespace share
{
class ObRsMgr;
class ObBackupInfoMgr final
{
public:
typedef common::ObArray<ObPhysicalRestoreJob> RestoreJobArray;
static ObBackupInfoMgr &get_instance();
int init(common::ObMySQLProxy &sql_proxy);
int start();
void stop();
void wait();
void destroy();
int get_backup_snapshot_version(int64_t &snapshot_version);
int get_delay_delete_schema_version(const uint64_t tenant_id,
share::schema::ObMultiVersionSchemaService &schema_service, bool &is_backup,
int64_t &reserved_schema_version);
int check_if_doing_backup(bool &is_doing);
int get_restore_status(const uint64_t tenant_id, PhysicalRestoreStatus &status);
int reload();
private:
static const int64_t DEFAULT_UPDATE_INTERVAL_US = 10 * 1000 * 1000;//10s
int get_restore_info_from_cache(const uint64_t tenant_id,
ObSimplePhysicalRestoreJob &simple_job_info);
int get_restore_status_from_cache(const uint64_t tenant_id, PhysicalRestoreStatus &status);
int check_backup_dest_(ObLogArchiveBackupInfo &backup_info);
private:
ObBackupInfoMgr();
~ObBackupInfoMgr();
class ObBackupInfoUpdateTask : public common::ObTimerTask
{
public:
ObBackupInfoUpdateTask() {}
virtual ~ObBackupInfoUpdateTask() {}
virtual void runTimerTask() override;
};
private:
bool is_inited_;
common::ObMySQLProxy *sql_proxy_;
common::ObTimer timer_;
ObBackupInfoUpdateTask update_task_;
ObLogArchiveBackupInfo backup_infos_[2];
ObLogArchiveBackupInfo *cur_backup_info_;
ObNonFrozenBackupPieceInfo backup_pieces_[2];
ObNonFrozenBackupPieceInfo *cur_backup_piece_;
RestoreJobArray restore_jobs_[2];
RestoreJobArray *cur_restore_job_;
common::SpinRWLock lock_;
lib::ObMutex mutex_;
bool is_backup_loaded_;
bool is_restore_loaded_;
DISALLOW_COPY_AND_ASSIGN(ObBackupInfoMgr);
};
}//share
}//oceanbase
#endif /* SRC_SHARE_BACKUP_OB_BACKUP_INFO_MGR_H_ */