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       1              : /**
       2              :  * Copyright (c) 2026 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_MONITOR_H
      12              : #define ENDPOINT_MONITOR_H
      13              : #include <thread>
      14              : #include <unordered_set>
      15              : #include <mutex>
      16              : #include <atomic>
      17              : #include "log.h"
      18              : #include "hccl/hccl_types.h"
      19              : #include "hcomm_res_defs.h"
      20              : #include "hccp_ctx.h"
      21              : 
      22              : namespace hcomm {
      23              : 
      24              : class EndpointMonitor {
      25              : public:
      26          264 :     EndpointMonitor() = default;
      27              :     EndpointMonitor(const EndpointMonitor&) = delete;
      28              :     EndpointMonitor& operator=(const EndpointMonitor&) = delete;
      29              :     EndpointMonitor(EndpointMonitor&&) = delete;
      30              :     EndpointMonitor& operator=(EndpointMonitor&&) = delete;
      31              :     ~EndpointMonitor();
      32              : 
      33              :     static EndpointMonitor& GetInstance(s32 deviceId);
      34              :     HcclResult RegisterToEndpointMonitor(s32 deviceLogicId, EndpointHandle epHandle);
      35              :     HcclResult UnRegisterToEndpointMonitor();
      36              :     void RemoveEpHandleFromEndpointMonitor(EndpointHandle epHandle);
      37              : 
      38              : private:
      39              :     HcclResult RunMonitorThread();
      40              :     void MonitorThread();
      41              :     HcclResult DeInit(s32 deviceLogicId);
      42              : 
      43              :     void ProcessUbAsyncEvents();
      44              :     void PrintUbAsyncEventsContext(void* epHandle, u32 seq, const struct AsyncEvent& event);
      45              : 
      46              :     static constexpr u32 MONITOR_INTERVAL = 1000;
      47              :     std::unique_ptr<std::thread> endpointMonitorThread_;
      48              : 
      49              :     std::atomic<bool> initialized_{false};
      50              :     std::atomic<bool> endpointMonitorThreadFlag_{false};
      51              :     std::mutex threadLock_;
      52              :     u32 devPhyId_{0};
      53              :     s32 deviceLogicId_{0};
      54              :     std::unordered_set<u64> epHandleSet_;
      55              : 
      56              :     struct AsyncEvent events_[ASYNC_EVENT_MAX_NUM];
      57              : };
      58              : } // namespace hcomm
      59              : #endif // ENDPOINT_MONITOR_H