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