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

90 lines
3.4 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.
*/
#define USING_LOG_PREFIX STORAGE
#include "ob_pg_all_meta_checkpoint_reader.h"
#include "storage/ob_partition_service.h"
using namespace oceanbase::common;
using namespace oceanbase::blocksstable;
using namespace oceanbase::storage;
ObPGAllMetaCheckpointReader::ObPGAllMetaCheckpointReader() : is_inited_(false), macro_meta_reader_(), pg_meta_reader_()
{}
int ObPGAllMetaCheckpointReader::init(const blocksstable::MacroBlockId& macro_entry_block,
const blocksstable::MacroBlockId& pg_entry_block, ObStorageFileHandle& file_handle,
ObPartitionMetaRedoModule& pg_mgr, ObMacroMetaReplayMap* replay_map)
{
int ret = OB_SUCCESS;
if (OB_UNLIKELY(is_inited_)) {
ret = OB_INIT_TWICE;
LOG_WARN("ObPGAllMetaCheckpointReader has already been inited", K(ret));
} else if (OB_UNLIKELY(!macro_entry_block.is_valid() || !pg_entry_block.is_valid() || !file_handle.is_valid() ||
nullptr == replay_map)) {
ret = OB_INVALID_ARGUMENT;
LOG_WARN("invalid arguments", K(ret), K(macro_entry_block), K(pg_entry_block), K(file_handle), KP(replay_map));
} else if (OB_FAIL(macro_meta_reader_.init(macro_entry_block, file_handle, replay_map))) {
LOG_WARN("fail to init macro meta reader", K(ret));
} else if (OB_FAIL(pg_meta_reader_.init(pg_entry_block, file_handle, pg_mgr))) {
LOG_WARN("fail to init pg meta reader", K(ret));
} else {
is_inited_ = true;
}
return ret;
}
int ObPGAllMetaCheckpointReader::read_checkpoint()
{
int ret = OB_SUCCESS;
if (OB_UNLIKELY(!is_inited_)) {
ret = OB_NOT_INIT;
LOG_WARN("ObPGAllMetaCheckpointReader has not been inited", K(ret));
} else if (OB_FAIL(macro_meta_reader_.read_checkpoint())) {
LOG_WARN("fail to read checkpoint", K(ret));
} else if (OB_FAIL(pg_meta_reader_.read_checkpoint())) {
LOG_WARN("fail to read checkpoint", K(ret));
}
return ret;
}
void ObPGAllMetaCheckpointReader::reset()
{
is_inited_ = false;
macro_meta_reader_.reset();
pg_meta_reader_.reset();
}
int ObPGAllMetaCheckpointReader::get_meta_block_list(ObIArray<MacroBlockId>& meta_block_list)
{
int ret = OB_SUCCESS;
if (OB_UNLIKELY(!is_inited_)) {
ret = OB_NOT_INIT;
LOG_WARN("ObPGAllMetaCheckpointReader has not been inited", K(ret));
} else {
ObIArray<MacroBlockId>& macro_meta_block_list = macro_meta_reader_.get_meta_block_list();
ObIArray<MacroBlockId>& pg_meta_block_list = pg_meta_reader_.get_meta_block_list();
for (int64_t i = 0; OB_SUCC(ret) && i < macro_meta_block_list.count(); ++i) {
if (OB_FAIL(meta_block_list.push_back(macro_meta_block_list.at(i)))) {
LOG_WARN("fail to push back meta block list", K(ret));
}
}
for (int64_t i = 0; OB_SUCC(ret) && i < pg_meta_block_list.count(); ++i) {
if (OB_FAIL(meta_block_list.push_back(pg_meta_block_list.at(i)))) {
LOG_WARN("fail to push back meta block list", K(ret));
}
}
}
return ret;
}