patch 4.0

src/share/ob_ls_id.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 COMMON
+
+#include "ob_ls_id.h"
+
+#include "lib/oblog/ob_log_module.h"       // LOG_*
+#include "lib/oblog/ob_log.h"       // LOG_*
+#include "lib/utility/ob_unify_serialize.h"
+#include "lib/utility/serialization.h"
+#include "share/ob_errno.h"
+
+namespace oceanbase
+{
+using namespace common;
+namespace share
+{
+
+uint64_t ObLSID::hash() const
+{
+  OB_ASSERT(id_ >= 0);
+  return id_;
+}
+
+int ObLSID::serialize(char* buf, const int64_t buf_len, int64_t& pos) const
+{
+  int ret = OB_SUCCESS;
+  if (OB_ISNULL(buf) || OB_UNLIKELY(buf_len <= 0)) {
+    ret = OB_INVALID_ARGUMENT;
+    LOG_WARN("invalid args", KR(ret), KP(buf), K(buf_len));
+  } else if (OB_FAIL(serialization::encode_i64(buf, buf_len, pos, id_))) {
+    LOG_WARN("serialize LS ID failed", KR(ret), KP(buf), K(buf_len), K(pos));
+  }
+  return ret;
+}
+
+int ObLSID::deserialize(const char* buf, const int64_t data_len, int64_t& pos)
+{
+  int ret = OB_SUCCESS;
+  if (OB_ISNULL(buf) || OB_UNLIKELY(data_len <= 0)) {
+    ret = OB_INVALID_ARGUMENT;
+    LOG_WARN("invalid args", KR(ret), KP(buf), K(data_len));
+  } else if (OB_FAIL(serialization::decode_i64(buf, data_len, pos, &id_))) {
+    LOG_WARN("deserialize LS ID failed", KR(ret), KP(buf), K(data_len), K(pos));
+  }
+  return ret;
+}
+
+int64_t ObLSID::get_serialize_size() const
+{
+  int64_t size = 0;
+  size += serialization::encoded_length_i64(id_);
+  return size;
+}
+} // end namespace share
+} // end namespace oceanbase