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              : #ifndef HCCLV2_OPBASE_STREAM_MANAGER_H
      11              : #define HCCLV2_OPBASE_STREAM_MANAGER_H
      12              : 
      13              : #include <vector>
      14              : #include <memory>
      15              : #include <unordered_map>
      16              : #include "hccl/base.h"
      17              : #include "stream/stream.h"
      18              : 
      19              : namespace Hccl {
      20              : class CommunicatorImpl;
      21              : 
      22              : class OpbaseStreamManager {
      23              : public:
      24          465 :     explicit OpbaseStreamManager(CommunicatorImpl *comm) : comm(comm)
      25              :     {
      26          465 :         CHECK_NULLPTR(comm, "[OpbaseStreamManager]comm is nullptr!");
      27          465 :     }
      28              :     ~OpbaseStreamManager();
      29              : 
      30              :     void RegisterMaster(std::unique_ptr<Stream> stream);
      31              : 
      32              :     void Clear();
      33              : 
      34           42 :     Stream *GetMaster() const
      35              :     {
      36           42 :         return master.get();
      37              :     }
      38              : 
      39              :     Stream *GetOrCreateSlave();
      40              : 
      41           16 :     void ResetIndex(u32 index)
      42              :     {
      43           16 :         slaveIndex = index;
      44           16 :     }
      45              : 
      46            5 :     u32 GetSlaveIndex() const
      47              :     {
      48            5 :         return slaveIndex;
      49              :     }
      50              : 
      51              :     Stream *GetSlave(u32 index) const;
      52              : 
      53              : private:
      54              :     void                                 ReplaceMaster(std::unique_ptr<Stream> stream);
      55              : 
      56              :     CommunicatorImpl                    *comm{nullptr};
      57              :     std::unique_ptr<Stream>              master{nullptr};
      58              :     std::vector<std::unique_ptr<Stream>> slaves;
      59              :     u32                                  slaveIndex{0};
      60              : };
      61              : 
      62              : } // namespace Hccl
      63              : 
      64              : #endif // HCCLV2_OPBASE_STREAM_MANAGER_H