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

85 lines
2.9 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_tenant_file_checkpoint_writer.h"
using namespace oceanbase::common;
using namespace oceanbase::blocksstable;
using namespace oceanbase::storage;
ObTenantFileCheckpointWriter::ObTenantFileCheckpointWriter()
: pg_meta_writer_(), tenant_file_key_(), file_mgr_(nullptr), is_inited_(false)
{}
int ObTenantFileCheckpointWriter::init(
ObPartitionMetaRedoModule& pg_meta_mgr, ObBaseFileMgr& server_file_mgr, const ObTenantFileKey& tenant_file_key)
{
int ret = OB_SUCCESS;
if (OB_UNLIKELY(is_inited_)) {
ret = OB_INIT_TWICE;
LOG_WARN("ObTenantFileCheckpointWriter has already been inited", K(ret));
} else if (OB_FAIL(pg_meta_writer_.init(pg_meta_mgr, server_file_mgr, tenant_file_key))) {
LOG_WARN("fail to init pg meta writer", K(ret));
} else {
tenant_file_key_ = tenant_file_key;
file_mgr_ = &server_file_mgr;
is_inited_ = true;
}
return ret;
}
int ObTenantFileCheckpointWriter::write_checkpoint()
{
int ret = OB_SUCCESS;
ObTenantFileCheckpointEntry file_entry;
if (OB_UNLIKELY(!is_inited_)) {
ret = OB_NOT_INIT;
LOG_WARN("ObTenantFileCheckpointWriter has not been inited", K(ret));
} else if (OB_FAIL(pg_meta_writer_.write_checkpoint())) {
LOG_WARN("fail to write checkpoint", K(ret));
} else if (OB_FAIL(pg_meta_writer_.get_file_checkpoint_entry(file_entry))) {
if (OB_ENTRY_NOT_EXIST == ret) {
ObTenantFileInfo file_info;
// overwrite ret
if (OB_FAIL(file_mgr_->get_tenant_file_info(tenant_file_key_, file_info))) {
LOG_WARN("fail to get tenant file info", K(ret));
} else {
file_entry.tenant_file_key_ = tenant_file_key_;
file_entry.super_block_ = file_info.tenant_file_super_block_;
file_entry.super_block_.macro_meta_entry_.reset();
file_entry.super_block_.pg_meta_entry_.reset();
}
} else {
LOG_WARN("fail to get file checkpoint entry", K(ret));
}
}
if (OB_SUCC(ret)) {
if (OB_FAIL(file_mgr_->update_tenant_file_meta_info(file_entry, true /*write checkpoint slog*/))) {
LOG_WARN("fail to update tenant file meta info", K(ret));
} else {
LOG_INFO("tenant file checkpoint write success", K(ret), K(tenant_file_key_));
}
}
return ret;
}
void ObTenantFileCheckpointWriter::reset()
{
pg_meta_writer_.reset();
tenant_file_key_.reset();
file_mgr_ = nullptr;
is_inited_ = false;
}