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src/storage/ob_file_system_router.h

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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.
+ */
+
+#ifndef OB_FILE_SYSTEM_ROUTER_H_
+#define OB_FILE_SYSTEM_ROUTER_H_
+
+#include "lib/ob_define.h"
+#include "common/ob_zone.h"
+#include "lib/ob_define.h"
+#include "lib/container/ob_se_array.h"
+#include "lib/utility/ob_macro_utils.h"
+#include "lib/lock/ob_tc_rwlock.h"
+#include "share/ob_zone_info.h"
+
+namespace oceanbase {
+namespace storage {
+class ObFileSystemRouter final {
+  public:
+  static ObFileSystemRouter& get_instance();
+  int init(const char* data_dir, const char* cluster_name, const int64_t cluster_id, const char* zone,
+      const char* svr_ip_port_str);
+
+  OB_INLINE const char* get_data_dir() const
+  {
+    return data_dir_;
+  }
+  OB_INLINE const char* get_slog_dir() const
+  {
+    return slog_dir_;
+  }
+  OB_INLINE const char* get_clog_dir() const
+  {
+    return clog_dir_;
+  }
+  OB_INLINE const char* get_ilog_dir() const
+  {
+    return ilog_dir_;
+  }
+  OB_INLINE const char* get_clog_shm_dir() const
+  {
+    return clog_shm_dir_;
+  }
+  OB_INLINE const char* get_ilog_shm_dir() const
+  {
+    return ilog_shm_dir_;
+  }
+  OB_INLINE const char* get_sstable_dir() const
+  {
+    return sstable_dir_;
+  }
+
+  private:
+  ObFileSystemRouter();
+  virtual ~ObFileSystemRouter() = default;
+
+  void reset();
+  int init_local_dirs(const char* data_dir);
+  int init_shm_file(const char* data_dir);
+
+  private:
+  char data_dir_[common::MAX_PATH_SIZE];
+  char slog_dir_[common::MAX_PATH_SIZE];
+  char clog_dir_[common::MAX_PATH_SIZE];
+  char ilog_dir_[common::MAX_PATH_SIZE];
+  char clog_shm_dir_[common::MAX_PATH_SIZE];
+  char ilog_shm_dir_[common::MAX_PATH_SIZE];
+  char sstable_dir_[common::MAX_PATH_SIZE];
+  bool is_inited_;
+
+  DISALLOW_COPY_AND_ASSIGN(ObFileSystemRouter);
+};
+#define OB_FILE_SYSTEM_ROUTER (::oceanbase::storage::ObFileSystemRouter::get_instance())
+}  // namespace storage
+}  // namespace oceanbase
+#endif /* OB_FILE_SYSTEM_ROUTER_H_ */