LCOV - code coverage report
Current view: top level - coll_communicator_mgr/resource_mgr/local/my_rank/endpoints - endpoint_mgr.h (source / functions) Coverage Total Hit
Test: coverage.info Lines: 100.0 % 4 4
Test Date: 2026-08-18 17:47:01 Functions: 100.0 % 4 4

            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 ENDPOINT_MGR_H
      12              : #define ENDPOINT_MGR_H
      13              : 
      14              : #include <memory>
      15              : #include <unordered_map>
      16              : #include <vector>
      17              : #include <mutex>
      18              : #include "endpoint.h"
      19              : #include "../endpoint_pairs/endpoint_pair.h"
      20              : #include "hccl_mem_defs.h"
      21              : 
      22              : namespace hcomm {
      23              : 
      24              : /**
      25              :  * @brief endpoint 粒度的 tag→handle 映射。
      26              :  *        持有 EndpointHandle,析构时自动解注册全部 tag 对应内存。
      27              :  */
      28              : class TaggedMemMap {
      29              : public:
      30           16 :     explicit TaggedMemMap(EndpointHandle handle) : handle_(handle) {}
      31              :     ~TaggedMemMap();
      32              : 
      33              :     TaggedMemMap(const TaggedMemMap&) = delete;
      34              :     TaggedMemMap& operator=(const TaggedMemMap&) = delete;
      35              :     TaggedMemMap(TaggedMemMap&&) = default;
      36              :     TaggedMemMap& operator=(TaggedMemMap&&) = default;
      37              : 
      38           25 :     uint64_t GetVersion() const { return version_; }
      39           17 :     void SetVersion(uint64_t ver) { version_ = ver; }
      40              : 
      41              :     MemHandle FindHandle(const std::string& tag) const;
      42              :     bool HasTag(const std::string& tag) const;
      43              :     void EmplaceHandle(const std::string& tag, MemHandle handle);
      44              :     MemHandle RemoveTag(const std::string& tag);
      45              : 
      46              : private:
      47              :     EndpointHandle handle_;
      48              :     uint64_t version_{0};
      49              :     std::unordered_map<std::string, MemHandle> tagToHandle_;
      50              : };
      51              : 
      52              : /**
      53              :  * @note 职责:Endpoint管理器,支持不同类型的Endpoint的创建和销毁管理。
      54              :  */
      55              : class EndpointMgr {
      56              : public:
      57          175 :     EndpointMgr() {};
      58              :     ~EndpointMgr();
      59              : 
      60              :     // 获取端点
      61              :     HcclResult Get(EndpointDesc epDesc, EndpointHandle& handle);
      62              : 
      63              :     // 注册内存到端点,若 commMemsVersion 与上次注册时一致则跳过
      64              :     HcclResult RegisterMemory(
      65              :         EndpointHandle epHandle, const std::vector<std::string>& memTag, const std::vector<HcclMem>& memVec,
      66              :         uint64_t commMemsVersion);
      67              : 
      68              :     // 查询指定 endpoint 下若干 tag 对应的 MemHandle
      69              :     HcclResult GetMemHandlesByTags(
      70              :         EndpointHandle epHandle, const std::vector<std::string>& memTags, std::vector<MemHandle>& memHandleVec);
      71              : 
      72              :     // 从所有 endpoint 中删除指定 tag 并调 HcommMemUnreg
      73              :     HcclResult UnregMemByTag(const std::string& tag);
      74              : 
      75              : private:
      76              :     bool IsDescExist(EndpointDesc epDesc);
      77              : 
      78              : private:
      79              :     std::unordered_map<EndpointDesc, EndpointHandle> endpointMap_{};
      80              :     std::unordered_map<EndpointHandle, TaggedMemMap> endpointTagMemMap_{};
      81              :     std::mutex mutex_{};
      82              : };
      83              : 
      84              : } // namespace hcomm
      85              : 
      86              : #endif // ENDPOINT_MGR_H
        

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