Line data    Source code

       1              : /**
       2              :  * Copyright (c) 2025 Huawei Technologies Co., Ltd.
       3              :  * This program is free software, you can redistribute it and/or modify it under the terms and conditions of
       4              :  * CANN Open Software License Agreement Version 2.0 (the "License").
       5              :  * Please refer to the License for details. You may not use this file except in compliance with the License.
       6              :  * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
       7              :  * INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
       8              :  * See LICENSE in the root of the software repository for the full text of the License.
       9              :  */
      10              : 
      11              : #ifndef DGW_DATA_OBJ_MANAGER_H
      12              : #define DGW_DATA_OBJ_MANAGER_H
      13              : 
      14              : #include <unistd.h>
      15              : #include <list>
      16              : #include <memory>
      17              : #include <vector>
      18              : 
      19              : #include "fsm/state_define.h"
      20              : #include "driver/ascend_hal.h"
      21              : 
      22              : namespace dgw {
      23              : using EntityWeakPtr = std::weak_ptr<Entity>;
      24              : 
      25              : class DataObj {
      26              : public:
      27              :     explicit DataObj(Entity * const sendEntityPtr, const Mbuf * const mbufPtr);
      28              : 
      29           42 :     ~DataObj() = default;
      30              : 
      31              :     DataObj(const DataObj &) = delete;
      32              :     DataObj(const DataObj &&) = delete;
      33              :     DataObj &operator = (const DataObj &) = delete;
      34              :     DataObj &operator = (DataObj &&) = delete;
      35              : 
      36              :     inline bool CopRef() const
      37              :     {
      38              :         return copyRef_;
      39              :     }
      40              : 
      41           65 :     inline const Mbuf *GetMbuf() const
      42              :     {
      43           65 :         return mbuf_;
      44              :     }
      45              : 
      46          104 :     inline Entity *GetSendEntity() const
      47              :     {
      48          104 :         return sendEntity_;
      49              :     }
      50              : 
      51              :     void AddRecvEntity(Entity *const recvEntityPtr);
      52              : 
      53           67 :     inline size_t GetRecvEntitySize()
      54              :     {
      55           67 :         return recvEntities_.size();
      56              :     }
      57              : 
      58            3 :     inline std::vector<Entity*>& GetRecvEntities()
      59              :     {
      60            3 :         return recvEntities_;
      61              :     }
      62              : 
      63              :     bool RemoveRecvEntity(const Entity * const recvEntityPtr);
      64              : 
      65              :     bool UpdateRecvEntities(const EntityPtr group, const EntityPtr elem);
      66              : 
      67           15 :     inline void MaintainMbuf()
      68              :     {
      69           15 :         maintainMbuf_ = true;
      70           15 :     }
      71              : 
      72            9 :     inline bool ShouldMaintainMbuf() const
      73              :     {
      74            9 :         return maintainMbuf_;
      75              :     }
      76              : 
      77              : private:
      78              :     Entity *sendEntity_;
      79              :     std::vector<Entity*> recvEntities_;
      80              :     const bool copyRef_ = false;
      81              :     const Mbuf *mbuf_ = nullptr;
      82              :     bool maintainMbuf_ = false;
      83              : };
      84              : 
      85              : using DataObjPtr = std::shared_ptr<DataObj>;
      86              : using DataObjList = std::list<DataObjPtr>;
      87              : 
      88              : class DataObjManager {
      89              : public:
      90              :     explicit DataObjManager() = default;
      91              : 
      92              :     ~DataObjManager() = default;
      93              : 
      94              :     DataObjManager(const DataObjManager &) = delete;
      95              :     DataObjManager(const DataObjManager &&) = delete;
      96              :     DataObjManager &operator = (const DataObjManager &) = delete;
      97              :     DataObjManager &operator = (DataObjManager &&) = delete;
      98              : 
      99              :     static DataObjManager &Instance();
     100              :     DataObjPtr CreateDataObj(Entity * const sendEntityPtr, const Mbuf * const mbufPtr) const;
     101              : };
     102              : }
     103              : 
     104              : #endif