9dae112952
Co-authored-by: wxhwang <wxhwang@126.com> Co-authored-by: godyangfight <godyangfight@gmail.com> Co-authored-by: Tyshawn <tuyunshan@gmail.com>
57 lines
1.7 KiB
C++
57 lines
1.7 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 STORAGE_LOG_STREAM_BACKUP_FILE_WRITER_CTX_H_
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#define STORAGE_LOG_STREAM_BACKUP_FILE_WRITER_CTX_H_
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#include "common/storage/ob_io_device.h"
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#include "storage/blocksstable/ob_data_buffer.h"
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namespace oceanbase {
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namespace backup {
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struct ObBackupFileWriteCtx {
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public:
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ObBackupFileWriteCtx();
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virtual ~ObBackupFileWriteCtx();
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int open(const int64_t max_file_size, const common::ObIOFd &io_fd, common::ObIODevice &device_handle);
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bool is_opened() const
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{
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return is_inited_;
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}
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int append_buffer(const blocksstable::ObBufferReader &buffer, const bool is_last_part = false);
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int64_t get_file_size() const
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{
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return file_size_;
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}
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int close();
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private:
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int write_buffer_(const char *buf, const int64_t len, const bool is_last_part);
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bool check_can_flush_(const bool is_last_part) const;
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int flush_buffer_(const bool is_last_part);
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int commit_file_();
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private:
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bool is_inited_;
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int64_t file_size_;
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int64_t max_file_size_;
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common::ObIOFd io_fd_;
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common::ObIODevice *dev_handle_;
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blocksstable::ObSelfBufferWriter data_buffer_;
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DISALLOW_COPY_AND_ASSIGN(ObBackupFileWriteCtx);
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};
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} // namespace backup
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} // namespace oceanbase
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#endif
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