Files
oceanbase/src/storage/ob_pg_all_meta_checkpoint_writer.cpp
oceanbase-admin cea7de1475 init push
2021-05-31 22:56:52 +08:00

97 lines
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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.
*/
#define USING_LOG_PREFIX STORAGE
#include "ob_pg_all_meta_checkpoint_writer.h"
#include "blocksstable/ob_block_sstable_struct.h"
using namespace oceanbase::common;
using namespace oceanbase::blocksstable;
using namespace oceanbase::storage;
int ObPGCheckpointInfo::assign(const ObPGCheckpointInfo& other)
{
int ret = OB_SUCCESS;
if (OB_FAIL(tables_handle_.assign(other.tables_handle_))) {
LOG_WARN("fail to assign tables handle", K(ret));
} else {
pg_meta_buf_ = other.pg_meta_buf_;
pg_meta_buf_len_ = other.pg_meta_buf_len_;
}
return ret;
}
ObPGCheckpointInfo::ObPGCheckpointInfo() : tables_handle_(), pg_meta_buf_(nullptr), pg_meta_buf_len_(0)
{}
void ObPGCheckpointInfo::reset()
{
tables_handle_.reset();
pg_meta_buf_ = nullptr;
pg_meta_buf_len_ = 0;
}
ObPGAllMetaCheckpointWriter::ObPGAllMetaCheckpointWriter()
: is_inited_(false), macro_meta_writer_(), pg_meta_writer_(), pg_checkpoint_info_(), file_(nullptr)
{}
int ObPGAllMetaCheckpointWriter::init(ObPGCheckpointInfo& pg_checkpoint_info, ObStorageFile* file,
ObPGMetaItemWriter& macro_meta_writer, ObPGMetaItemWriter& pg_meta_writer)
{
int ret = OB_SUCCESS;
ObPGMetaItem item;
item.set_serialize_buf(pg_checkpoint_info.pg_meta_buf_, pg_checkpoint_info.pg_meta_buf_len_);
if (OB_UNLIKELY(is_inited_)) {
ret = OB_INIT_TWICE;
LOG_WARN("ObPGAllMetaCheckpointWriter has already been inited", K(ret));
} else if (OB_UNLIKELY(!pg_checkpoint_info.is_valid() || nullptr == file)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid argument", K(ret), K(pg_checkpoint_info), KP(file));
} else if (OB_FAIL(macro_meta_writer_.init(pg_checkpoint_info.tables_handle_, macro_meta_writer))) {
LOG_WARN("fail to init macro meta iterator", K(ret));
} else if (OB_FAIL(pg_meta_writer_.init(item, pg_meta_writer))) {
LOG_WARN("fail to init sstable meta iterator", K(ret));
} else if (OB_FAIL(pg_checkpoint_info_.assign(pg_checkpoint_info))) {
LOG_WARN("fail to assign pg checkpoint info", K(ret));
} else {
file_ = file;
is_inited_ = true;
}
return ret;
}
int ObPGAllMetaCheckpointWriter::write_checkpoint()
{
int ret = OB_SUCCESS;
if (OB_UNLIKELY(!is_inited_)) {
ret = OB_NOT_INIT;
LOG_WARN("ObPGAllMetaCheckpointWriter has not been inited", K(ret));
} else if (OB_FAIL(macro_meta_writer_.write_checkpoint())) {
LOG_WARN("fail to write macro meta checkpoint", K(ret));
} else if (OB_FAIL(pg_meta_writer_.write_checkpoint())) {
LOG_WARN("fail to write pg meta checkpoint", K(ret));
} else {
LOG_INFO("write checkpoint", K(file_->get_tenant_id()), K(file_->get_file_id()));
}
return ret;
}
void ObPGAllMetaCheckpointWriter::reset()
{
is_inited_ = false;
macro_meta_writer_.reset();
pg_meta_writer_.reset();
pg_checkpoint_info_.reset();
file_ = nullptr;
}