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src/storage/ob_partition_migrate_old_rpc.cpp

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+/**
+ * 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_partition_migrate_old_rpc.h"
+#include "storage/ob_sstable.h"
+
+namespace oceanbase {
+using namespace common;
+using namespace share;
+using namespace blocksstable;
+using namespace oceanbase::share::schema;
+using namespace storage;
+
+namespace storage {
+
+ObStoreInfo::ObStoreInfo() : saved_storage_info_(), sstable_count_(-1)
+{}
+
+ObStoreInfo::~ObStoreInfo()
+{}
+
+OB_SERIALIZE_MEMBER(ObStoreInfo, saved_storage_info_, sstable_count_);
+
+int ObStoreInfo::assign(const ObStoreInfo& info)
+{
+  int ret = OB_SUCCESS;
+  if (OB_FAIL(assign(info.saved_storage_info_, info.sstable_count_))) {
+    STORAGE_LOG(WARN, "failed to assign store info", K(ret));
+  }
+  return ret;
+}
+
+int ObStoreInfo::assign(const ObSavedStorageInfo& info, const int64_t sstable_count)
+{
+  int ret = OB_SUCCESS;
+
+  if (OB_UNLIKELY(saved_storage_info_.is_valid())) {
+    ret = OB_INIT_TWICE;
+    STORAGE_LOG(WARN, "cannot assign twice", K(ret), K(*this));
+  } else if (OB_FAIL(saved_storage_info_.deep_copy(info))) {
+    STORAGE_LOG(WARN, "failed to deep copy saved storage info", K(ret), K(info));
+  } else {
+    sstable_count_ = sstable_count;
+  }
+  return ret;
+}
+
+}  // namespace storage
+
+namespace obrpc {
+OB_SERIALIZE_MEMBER(ObMigrateInfoFetchArg, pkey_);
+
+int ObMigrateStoreInfo::assign(const ObMigrateStoreInfo& info)
+{
+  int ret = OB_SUCCESS;
+
+  if (OB_FAIL(store_info_.assign(info.store_info_))) {
+    STORAGE_LOG(WARN, "failed to deep copy saved_storage_info", K(ret));
+  } else {
+    server_ = info.server_;
+  }
+  return ret;
+}
+
+OB_SERIALIZE_MEMBER(ObMigrateStoreInfo, store_info_, server_);
+
+const ObMigrateStoreInfo* ObMigrateInfoFetchResult::left_migrate_info() const
+{
+  const ObMigrateStoreInfo* left_info = NULL;
+
+  for (int64_t i = 0; NULL == left_info && i < info_list_.count(); ++i) {
+    const ObSavedStorageInfo& info = info_list_[i].store_info_.get_saved_info();
+    if (info.get_frozen_version().major_ < info.get_memstore_version().major_) {
+      left_info = &info_list_[i];
+    }
+  }
+  return left_info;
+}
+
+const ObMigrateStoreInfo* ObMigrateInfoFetchResult::right_migrate_info() const
+{
+  const ObMigrateStoreInfo* right_info = NULL;
+  for (int64_t i = info_list_.count() - 1; NULL == right_info && i >= 0; --i) {
+    const ObSavedStorageInfo& info = info_list_[i].store_info_.get_saved_info();
+    if (info.get_frozen_version().major_ < info.get_memstore_version().major_) {
+      right_info = &info_list_[i];
+    }
+  }
+  return right_info;
+}
+
+uint64_t ObMigrateInfoFetchResult::get_last_replay_log_id() const
+{
+  uint64_t last_replay_log_id = OB_INVALID_ID;
+  if (info_list_.count() > 0) {
+    const ObSavedStorageInfo& info = info_list_[info_list_.count() - 1].store_info_.get_saved_info();
+    last_replay_log_id = info.get_last_replay_log_id();
+  }
+
+  return last_replay_log_id;
+}
+
+int ObMigrateInfoFetchResult::add_store_info(const ObMigrateStoreInfo& info)
+{
+  int ret = OB_SUCCESS;
+  if (OB_FAIL(info_list_.push_back(info))) {
+    STORAGE_LOG(WARN, "failed to add info", K(ret));
+  }
+  return ret;
+}
+
+int ObMigrateInfoFetchResult::add_store_info(const storage::ObStoreInfo& info, const common::ObAddr server)
+{
+  int ret = OB_SUCCESS;
+  ObMigrateStoreInfo tmp_info;
+  if (OB_FAIL(tmp_info.store_info_.assign(info))) {
+    STORAGE_LOG(WARN, "failed to assign store info", K(ret));
+  } else {
+    tmp_info.server_ = server;
+    if (OB_FAIL(info_list_.push_back(tmp_info))) {
+      STORAGE_LOG(WARN, "failed to add info", K(ret));
+    }
+  }
+
+  return ret;
+}
+
+bool ObMigrateInfoFetchResult::is_continues() const
+{
+  bool is_continues = true;
+  for (int64_t i = 1; is_continues && i < info_list_.count(); ++i) {
+    if (info_list_[i].get_version().major_ != info_list_[i - 1].get_version().major_ + 1) {
+      is_continues = false;
+      STORAGE_LOG(ERROR,
+          "major version not continues",
+          K(i),
+          "i",
+          info_list_[i].get_version().major_,
+          "i-1",
+          info_list_[i - 1].get_version().major_,
+          K(*this));
+    }
+  }
+  return is_continues;
+}
+
+ObMigrateInfoFetchResult::ObMigrateInfoFetchResult()
+{
+  reset();
+}
+
+void ObMigrateInfoFetchResult::reset()
+{
+  info_list_.reset();
+  replica_type_ = REPLICA_TYPE_FULL;
+}
+
+OB_SERIALIZE_MEMBER(ObMigrateInfoFetchResult, info_list_, replica_type_);
+
+OB_SERIALIZE_MEMBER(ObFetchMacroBlockOldArg, index_id_, macro_block_index_, data_version_, data_seq_);
+
+void ObFetchMacroBlockOldArg::reset()
+{
+  index_id_ = 0;
+  macro_block_index_ = 0;
+  data_version_ = 0;
+  data_seq_ = 0;
+}
+
+bool ObFetchMacroBlockOldArg::operator==(const ObFetchMacroBlockOldArg& arg) const
+{
+  return index_id_ == arg.index_id_ && macro_block_index_ == arg.macro_block_index_ &&
+         data_version_ == arg.data_version_ && data_seq_ == arg.data_seq_;
+}
+
+int64_t ObFetchMacroBlockOldArg::hash() const
+{
+  int64_t hash_value = 0;
+  hash_value = murmurhash(&index_id_, sizeof(index_id_), hash_value);
+  hash_value = murmurhash(&macro_block_index_, sizeof(macro_block_index_), hash_value);
+  hash_value = murmurhash(&data_version_, sizeof(data_version_), hash_value);
+  hash_value = murmurhash(&data_seq_, sizeof(data_seq_), hash_value);
+  return hash_value;
+}
+
+ObFetchMacroBlockListOldArg::ObFetchMacroBlockListOldArg()
+    : pkey_(), data_version_(0), arg_list_(), store_type_(storage::MAJOR_SSSTORE)
+{}
+
+OB_SERIALIZE_MEMBER(ObFetchMacroBlockListOldArg, pkey_, data_version_, arg_list_, store_type_);
+
+}  // namespace obrpc
+}  // namespace oceanbase