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 PREEMPT_SOCKET_MANAGER_H
      12              : #define PREEMPT_SOCKET_MANAGER_H
      13              : 
      14              : #include <cstddef>
      15              : #include <memory>
      16              : #include <mutex>
      17              : #include <string>
      18              : #include <unordered_map>
      19              : #include <utility>
      20              : #include <vector>
      21              : #include <hccl/hccl_types.h>
      22              : #include "hccl/base.h"
      23              : #include "hccl_common.h"
      24              : #include "hccl_socket.h"
      25              : #include "env_config.h"
      26              : 
      27              : namespace hccl {
      28              : 
      29              : struct EnumClassHash {
      30              :     template <typename T>
      31          412 :     std::size_t operator()(T t) const
      32              :     {
      33          412 :         return static_cast<std::size_t>(t);
      34              :     }
      35              : };
      36              : 
      37              : // 以IP和port的粒度管理已经抢占的port的计数器
      38              : using IpPortRef = std::unordered_map<std::string, std::pair<u32, Referenced>>;
      39              : 
      40              : class PreemptPortManager {
      41              : public:
      42              :     ~PreemptPortManager();
      43              : 
      44              :     static PreemptPortManager& GetInstance(s32 deviceLogicId);
      45              : 
      46              :     // 尝试在给定范围内抢占一个端口
      47              :     HcclResult ListenPreempt(
      48              :         const std::shared_ptr<HcclSocket>& listenSocket, const std::vector<HcclSocketPortRange>& portRange,
      49              :         u32& usePort);
      50              :     // 释放一个已抢占的端口
      51              :     HcclResult Release(const std::shared_ptr<HcclSocket>& listenSocket);
      52              : 
      53              : private:
      54              :     explicit PreemptPortManager();
      55              : 
      56              :     HcclResult PreemptPortInRange(
      57              :         IpPortRef& portRef, const std::shared_ptr<HcclSocket>& listenSocket, NICDeployment nicDeploy,
      58              :         const std::vector<HcclSocketPortRange>& portRange, u32& usePort);
      59              :     HcclResult
      60              :     ReleasePreempt(IpPortRef& portRef, const std::shared_ptr<HcclSocket>& listenSocket, NICDeployment nicDeploy);
      61              : 
      62              :     bool IsAlreadyListening(const IpPortRef& ipPortRef, const std::string& ipAddr, const u32 port);
      63              :     std::string GetRangeStr(const std::vector<HcclSocketPortRange>& portRangeVec);
      64              : 
      65              :     static bool initialized;
      66              :     s32 deviceLogicId_;
      67              :     u32 devicePhyId_;
      68              : 
      69              :     std::mutex preemptMutex_;
      70              : 
      71              :     // 不同类型网卡上抢占的Socket
      72              :     std::unordered_map<NICDeployment, IpPortRef, EnumClassHash> preemptSockets_;
      73              : };
      74              : } // namespace hccl
      75              : #endif // PREEMPT_SOCKET_MANAGER_H