init push

2021-05-31 22:56:52 +08:00
commit cea7de1475
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--- a/src/storage/ob_tenant_file_checkpoint_writer.cpp
+++ b/src/storage/ob_tenant_file_checkpoint_writer.cpp
@ -0,0 +1,84 @@
+/**
+ * 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;
+}