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 RANK_PAIR_H
      12              : #define RANK_PAIR_H
      13              : 
      14              : #include <cstdint>
      15              : #include <functional>
      16              : #include <memory>
      17              : #include <utility>
      18              : #include <vector>
      19              : #include "hccl/hccl_types.h"
      20              : #include "socket_manager.h"
      21              : #include "hcomm_res_defs.h"
      22              : #include "endpoint_pair_mgr.h"
      23              : 
      24              : using RankId = uint32_t;
      25              : using RankIdPair = std::pair<RankId, RankId>;
      26              : 
      27              : namespace std {
      28              : 
      29              : template <>
      30              : struct hash<RankIdPair> {
      31           92 :     size_t operator()(const RankIdPair& p) const noexcept
      32              :     {
      33           92 :         uint64_t key = (uint64_t(p.first) << 32) | uint64_t(p.second);
      34           92 :         return std::hash<uint64_t>{}(key);
      35              :     }
      36              : };
      37              : 
      38              : } // namespace std
      39              : 
      40              : namespace hccl {
      41              : 
      42              : /**
      43              :  * @note 职责：管理一个rank对（MyRank+DstRank）中的多个源EndPoint下的EndPointPair。
      44              :  * 当前先只考虑一个源EndPoint下只有一个EndPointPair的场景。
      45              :  */
      46              : class RankPair {
      47              : public:
      48           15 :     RankPair(RankIdPair rankIdPair, const Hccl::RankIpPortMapPtr& rankIpPortMap)
      49           15 :         : localRankId_(rankIdPair.first),
      50           15 :           remoteRankId_(rankIdPair.second),
      51           15 :           rankIpPortMap_(rankIpPortMap)
      52           15 :     {}
      53           15 :     ~RankPair() = default;
      54              : 
      55              :     HcclResult Init();
      56              :     HcclResult GetEndpointPair(const EndpointDescPair& epDescPair, hcomm::EndpointPair*& out);
      57              :     hcomm::EpChannelMap GetEpChannelMap();
      58              : 
      59              : private:
      60              :     RankId localRankId_{};
      61              :     RankId remoteRankId_{};
      62              :     std::unique_ptr<hcomm::EndpointPairMgr> endpointPairMgr_{};
      63              :     Hccl::RankIpPortMapPtr rankIpPortMap_;
      64              : };
      65              : } // namespace hccl
      66              : 
      67              : #endif // RANK_PAIR_H