init push

2021-05-31 22:56:52 +08:00
commit cea7de1475
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--- a/src/storage/ob_server_pg_meta_checkpoint_reader.cpp
+++ b/src/storage/ob_server_pg_meta_checkpoint_reader.cpp
@ -0,0 +1,60 @@
+/**
+ * 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 "storage/ob_server_pg_meta_checkpoint_reader.h"
+#include "storage/ob_server_pg_meta_checkpoint_writer.h"
+#include "storage/ob_tenant_file_mgr.h"
+#include "storage/ob_tenant_file_pg_meta_checkpoint_reader.h"
+
+using namespace oceanbase::common;
+using namespace oceanbase::blocksstable;
+using namespace oceanbase::storage;
+
+ObServerPGMetaCheckpointReader::ObServerPGMetaCheckpointReader()
+{}
+
+int ObServerPGMetaCheckpointReader::read_checkpoint(ObBaseFileMgr& file_mgr, ObPartitionMetaRedoModule& pg_mgr)
+{
+  int ret = OB_SUCCESS;
+  ObArenaAllocator allocator;
+  ObArray<ObTenantFileInfo*> tenant_file_infos;
+  ObStorageFilesHandle files_handle;
+  if (OB_FAIL(file_mgr.get_all_tenant_file_infos(allocator, tenant_file_infos))) {
+    LOG_WARN("fail to get all tenant file infos", K(ret));
+  } else {
+    ObTenantFilePGMetaCheckpointReader reader;
+    for (int64_t i = 0; OB_SUCC(ret) && i < tenant_file_infos.count(); ++i) {
+      ObTenantFileInfo& file_info = *tenant_file_infos.at(i);
+      if (file_info.is_normal_status()) {
+        bool from_svr_ckpt = false;
+        if (OB_FAIL(file_mgr.is_from_svr_ckpt(file_info.tenant_key_, from_svr_ckpt))) {
+          LOG_WARN("check is from svr ckpt fail", K(ret), K(file_info));
+        } else if (!from_svr_ckpt) {
+          FLOG_INFO("skip load file ckpt", K(file_info), K(from_svr_ckpt));
+        } else if (OB_FAIL(reader.read_checkpoint(
+                       file_info.tenant_key_, file_info.tenant_file_super_block_, file_mgr, pg_mgr))) {
+          LOG_WARN("fail to read checkpoint", K(ret));
+        }
+      }
+    }
+  }
+  for (int64_t i = 0; i < tenant_file_infos.count(); ++i) {
+    if (nullptr != tenant_file_infos.at(i)) {
+      tenant_file_infos.at(i)->~ObTenantFileInfo();
+      tenant_file_infos.at(i) = nullptr;
+    }
+  }
+  tenant_file_infos.reset();
+  return ret;
+}