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              : #include "inner_net_dev_manager.h"
      11              : #include "log.h"
      12              : 
      13              : namespace Hccl {
      14           51 : InnerNetDevManager &InnerNetDevManager::GetInstance()
      15              : {
      16           51 :     static InnerNetDevManager instance;
      17           51 :     return instance;
      18              : }
      19              : 
      20            7 : HcclResult InnerNetDevManager::AddDevice(const NetDevInfo &info, HcclNetDevice *&device)
      21              : {
      22            7 :     device = new(nothrow) HcclNetDevice(info);
      23            7 :     if(device == nullptr) {
      24            0 :         HCCL_ERROR("new HcclNetDevice fail, devId[%u]", info.devId);
      25            0 :         return HCCL_E_PTR;
      26              :     }
      27              : 
      28            7 :     InnerNetDev* innerNetDev = nullptr;
      29            7 :     auto it = netDevMap_.find(info);
      30            7 :     if (it == netDevMap_.end()) {
      31            7 :         innerNetDev = new(nothrow) InnerNetDev(info);
      32            7 :         if(innerNetDev == nullptr || !innerNetDev->GetIsValid()) {
      33            0 :             HCCL_ERROR("new InnerNetDev fail, devId[%u]", info.devId);
      34            0 :             if (innerNetDev != nullptr) {
      35            0 :                 delete innerNetDev;
      36            0 :                 innerNetDev = nullptr;
      37              :             }
      38            0 :             delete device;
      39            0 :             device = nullptr;
      40            0 :             return HCCL_E_PARA;
      41              :         }
      42            7 :         netDevMap_.insert(std::make_pair(info, std::unique_ptr<InnerNetDev>(innerNetDev)));
      43            7 :         netDevCnt_[info] = 1;
      44              :     } else {
      45            0 :         innerNetDev = it->second.get();
      46            0 :         netDevCnt_[info]++;
      47              :     }
      48            7 :     device->SetInnerNetDev(innerNetDev);
      49            7 :     return HCCL_SUCCESS;
      50              : }
      51              : 
      52            7 : HcclResult InnerNetDevManager::RemoveDevice(const NetDevInfo &info)
      53              : {
      54            7 :     auto cntIt = netDevCnt_.find(info);
      55            7 :     if (cntIt == netDevCnt_.end()) {
      56            3 :         HCCL_ERROR("find HcclNetDevice fail, devId[%u]", info.devId);
      57            1 :         return HCCL_E_PTR;
      58              :     }
      59              : 
      60            6 :     cntIt->second--;
      61            6 :     if (cntIt->second == 0) {          
      62            6 :         netDevMap_.erase(info);
      63            6 :         netDevCnt_.erase(cntIt);
      64              :     }
      65            6 :     return HCCL_SUCCESS;
      66              : }
      67              : 
      68            6 : HcclResult InnerNetDevManager::DeleteDevice(Hccl::HcclNetDevice *device)
      69              : {
      70            6 :     if (device == nullptr) {
      71            0 :         return HCCL_SUCCESS;
      72              :     }
      73            6 :     HcclResult ret = RemoveDevice(device->GetNetDevInfo());
      74            6 :     if (ret != HCCL_SUCCESS) {
      75            0 :         HCCL_ERROR("delete netDev fail, devId[%u]", device->GetNetDevInfo().devId);
      76            0 :         return HCCL_E_PARA;
      77              :     }
      78            6 :     delete device;
      79            6 :     device = nullptr;
      80            6 :     return HCCL_SUCCESS;
      81              : }
      82              : } // namespace Hccl