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       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 HCCL_PREEMPT_SOCKET_MANAGER_H
      12              : #define HCCL_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/base.h"
      22              : #include "orion_adapter_hccp.h"
      23              : #include "env_func.h"
      24              : #include "socket.h"
      25              : #include "referenced.h"
      26              : 
      27              : namespace Hccl {
      28              : 
      29              : struct EnumClassHash {
      30              :     template <typename T>
      31          135 :     std::size_t operator()(T t) const
      32              :     {
      33          135 :         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              :     void ListenPreempt(
      48              :         const std::shared_ptr<Socket>& listenSocket, const std::vector<SocketPortRange>& portRange, u32& usePort);
      49              :     // 释放一个已抢占的端口
      50              :     void Release(const std::shared_ptr<Socket>& listenSocket);
      51              : 
      52              : private:
      53              :     explicit PreemptPortManager();
      54              : 
      55              :     void PreemptPortInRange(
      56              :         const std::shared_ptr<Socket>& listenSocket, HrtNetworkMode netMode,
      57              :         const std::vector<SocketPortRange>& portRange, u32& usePort);
      58              :     void ReleasePreempt(IpPortRef& portRef, const std::shared_ptr<Socket>& listenSocket, HrtNetworkMode netMode);
      59              : 
      60              :     bool IsAlreadyListening(const IpPortRef& ipPortRef, const std::string& ipAddr, const u32 port);
      61              :     std::string GetRangeStr(const std::vector<SocketPortRange>& portRangeVec);
      62              : 
      63              :     static bool initialized;
      64              :     s32 deviceLogicId_;
      65              :     u32 devicePhyId_;
      66              :     std::mutex preemptMutex_;
      67              : 
      68              :     // 不同类型网卡上抢占的Socket
      69              :     std::unordered_map<HrtNetworkMode, IpPortRef, EnumClassHash> preemptSockets_;
      70              : };
      71              : } // namespace Hccl
      72              : #endif // HCCL_PREEMPT_SOCKET_MANAGER_H