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[FEAT MERGE] merge transfer

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Co-authored-by: wxhwang <wxhwang@126.com>
Co-authored-by: godyangfight <godyangfight@gmail.com>
Co-authored-by: Tyshawn <tuyunshan@gmail.com>
This commit is contained in:
xuhuleon
2023-06-21 11:42:26 +00:00
committed by ob-robot
parent d06678002e
commit 9dae112952
1280 changed files with 149724 additions and 48813 deletions
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src/storage/backup/ob_backup_file_writer_ctx.h Normal file
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/**
* 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 STORAGE_LOG_STREAM_BACKUP_FILE_WRITER_CTX_H_
#define STORAGE_LOG_STREAM_BACKUP_FILE_WRITER_CTX_H_
#include "common/storage/ob_io_device.h"
#include "storage/blocksstable/ob_data_buffer.h"
namespace oceanbase {
namespace backup {
struct ObBackupFileWriteCtx {
public:
ObBackupFileWriteCtx();
virtual ~ObBackupFileWriteCtx();
int open(const int64_t max_file_size, const common::ObIOFd &io_fd, common::ObIODevice &device_handle);
bool is_opened() const
{
return is_inited_;
}
int append_buffer(const blocksstable::ObBufferReader &buffer, const bool is_last_part = false);
int64_t get_file_size() const
{
return file_size_;
}
int close();
private:
int write_buffer_(const char *buf, const int64_t len, const bool is_last_part);
bool check_can_flush_(const bool is_last_part) const;
int flush_buffer_(const bool is_last_part);
int commit_file_();
private:
bool is_inited_;
int64_t file_size_;
int64_t max_file_size_;
common::ObIOFd io_fd_;
common::ObIODevice *dev_handle_;
blocksstable::ObSelfBufferWriter data_buffer_;
DISALLOW_COPY_AND_ASSIGN(ObBackupFileWriteCtx);
};
} // namespace backup
} // namespace oceanbase
#endif