patch 4.0

src/sql/das/ob_das_id_service.cpp

@@ -0,0 +1,61 @@
+/**
+ * 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 SQL_DAS
+#include "ob_das_id_service.h"
+#include "observer/ob_server_struct.h"
+#include "share/location_cache/ob_location_service.h"
+namespace oceanbase
+{
+namespace sql
+{
+int ObDASIDService::mtl_init(ObDASIDService *&das_id_service)
+{
+  return das_id_service->init();
+}
+
+int ObDASIDService::init()
+{
+  self_ = GCTX.self_addr();
+  service_type_ = ServiceType::DASIDService;
+  pre_allocated_range_ = DAS_ID_PREALLOCATED_RANGE;
+  return OB_SUCCESS;
+}
+
+int ObDASIDService::handle_request(const ObDASIDRequest &request, obrpc::ObDASIDRpcResult &result)
+{
+  int ret = OB_SUCCESS;
+  int save_ret = ret;
+  if (OB_UNLIKELY(!request.is_valid())) {
+    ret = OB_INVALID_ARGUMENT;
+    LOG_WARN("invalid argument", KR(ret), K(request));
+  } else {
+    const uint64_t tenant_id = request.get_tenant_id();
+    const int64_t range = request.get_range();
+    int64_t start_id = 0;
+    int64_t end_id = 0;
+    if (is_user_tenant(MTL_ID())) {
+      ret = OB_ERR_UNEXPECTED;
+      LOG_WARN("get das id from user's service", KR(ret), K(request));
+    } else if (OB_FAIL(get_number(range, 0, start_id, end_id))) {
+      LOG_WARN("get das id failed", KR(ret));
+    }
+    save_ret = ret;
+    if (OB_FAIL(result.init(tenant_id, ret, start_id, end_id))) {
+      LOG_WARN("das id result init failed", KR(ret), K(request));
+    }
+    ret = save_ret;
+  }
+  return ret;
+}
+} // namespace sql
+} // namespace oceanbase