patch 4.0

src/share/ob_tenant_switchover_status.cpp

@@ -0,0 +1,66 @@
+/**
+ * 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 SHARE
+
+#include "share/ob_tenant_switchover_status.h"
+
+using namespace oceanbase;
+using namespace oceanbase::common;
+
+namespace oceanbase {
+namespace share {
+
+static const char* TENANT_SWITCHOVER_ARRAY[] = 
+{
+  "INVALID",
+  "NORMAL",
+  "SWITCHING",
+  "PREPARE FLASHBACK",
+  "FLASHBACK",
+};
+
+OB_SERIALIZE_MEMBER(ObTenantSwitchoverStatus, value_);
+
+const char* ObTenantSwitchoverStatus::to_str() const
+{
+  STATIC_ASSERT(ARRAYSIZEOF(TENANT_SWITCHOVER_ARRAY) == MAX_STATUS, "array size mismatch");
+  const char *type_str = "UNKNOWN";
+  if (OB_UNLIKELY(value_ >= ARRAYSIZEOF(TENANT_SWITCHOVER_ARRAY)
+                  || value_ < INVALID_STATUS)) {
+    LOG_ERROR("fatal error, unknown switchover status", K_(value));
+  } else {
+    type_str = TENANT_SWITCHOVER_ARRAY[value_];
+  }
+  return type_str;
+}
+
+ObTenantSwitchoverStatus::ObTenantSwitchoverStatus(const ObString &str)
+{
+  value_ = INVALID_STATUS;
+  if (str.empty()) {
+  } else {
+    for (int64_t i = 0; i < ARRAYSIZEOF(TENANT_SWITCHOVER_ARRAY); i++) {
+      if (0 == str.case_compare(TENANT_SWITCHOVER_ARRAY[i])) {
+        value_ = i;
+        break;
+      }
+    }
+  }
+
+  if (INVALID_STATUS == value_) {
+    LOG_WARN("invalid switchover status", K_(value), K(str));
+  }
+}
+
+}  // share
+}  // oceanbase