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 RANK_PAIR_H
      11              : #define RANK_PAIR_H
      12              : 
      13              : #include <cstdint>
      14              : #include <functional>
      15              : #include <memory>
      16              : #include <utility>
      17              : #include <vector>
      18              : #include "hccl/hccl_types.h"
      19              : #include "socket_manager.h"
      20              : #include "hcomm_res_defs.h"
      21              : #include "endpoint_pair_mgr.h"
      22              : 
      23              : using RankId = uint32_t;
      24              : using RankIdPair = std::pair<RankId, RankId>;
      25              : 
      26              : namespace std {
      27              : 
      28              : template <>
      29              : struct hash<RankIdPair> {
      30           90 :     size_t operator()(const RankIdPair& p) const noexcept
      31              :     {
      32           90 :         uint64_t key = (uint64_t(p.first) << 32) | uint64_t(p.second);
      33           90 :         return std::hash<uint64_t>{}(key);
      34              :     }
      35              : };
      36              : 
      37              : } // namespace std
      38              : 
      39              : namespace hccl {
      40              : 
      41              : /**
      42              :  * @note 职责：管理一个rank对（MyRank+DstRank）中的多个源EndPoint下的EndPointPair。
      43              :  * 当前先只考虑一个源EndPoint下只有一个EndPointPair的场景。
      44              :  */
      45              : class RankPair {
      46              : public:
      47           13 :     RankPair(RankIdPair rankIdPair, const Hccl::RankIpPortMapPtr& rankIpPortMap)
      48           13 :         : localRankId_(rankIdPair.first),
      49           13 :           remoteRankId_(rankIdPair.second),
      50           13 :           rankIpPortMap_(rankIpPortMap)
      51           13 :     {}
      52           13 :     ~RankPair() = default;
      53              : 
      54              :     HcclResult Init();
      55              :     HcclResult GetEndpointPair(const EndpointDescPair& epDescPair, hcomm::EndpointPair*& out);
      56              :     hcomm::EpChannelMap GetEpChannelMap();
      57              : 
      58              : private:
      59              :     RankId localRankId_{};
      60              :     RankId remoteRankId_{};
      61              :     std::unique_ptr<hcomm::EndpointPairMgr> endpointPairMgr_{};
      62              :     Hccl::RankIpPortMapPtr rankIpPortMap_;
      63              : };
      64              : } // namespace hccl
      65              : 
      66              : #endif // RANK_PAIR_H