LCOV - code coverage report
Current view: top level - legacy/ascend950/common - checkcrc.cc (source / functions) Coverage Total Hit
Test: coverage.info Lines: 95.7 % 70 67
Test Date: 2026-08-18 17:47:01 Functions: 90.9 % 11 10

            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              : #include "checkcrc.h"
      12              : #include "log.h"
      13              : #include <string>
      14              : #include <cstdlib>
      15              : #include <iostream>
      16              : #include <ios>
      17              : #include <fstream>
      18              : #include "const_val.h"
      19              : 
      20              : namespace Hccl {
      21              : constexpr s32 FILE_MAX_LENGTH = 40 * 1024 * 1024; // file max length 40*1024*1024=40M.
      22           57 : CheckCrc::CheckCrc() : initFlag_(0), crcCalcTable{0}, crcTable_(0) {}
      23              : 
      24           19 : CheckCrc::~CheckCrc() {}
      25              : 
      26           19 : HcclResult CheckCrc::AddCrc(u32 crcValue)
      27              : {
      28           57 :     HCCL_INFO("crcValue[%u]", crcValue);
      29           19 :     crcTable_.push_back(crcValue);
      30           57 :     HCCL_INFO("num[%llu]", crcTable_.size());
      31           19 :     return HCCL_SUCCESS;
      32              : }
      33              : 
      34            5 : HcclResult CheckCrc::GetCrcNum(u32* num)
      35              : {
      36            5 :     CHK_PTR_NULL(num);
      37           15 :     HCCL_INFO("num[%u]", *num);
      38            5 :     *num = crcTable_.size();
      39            5 :     return HCCL_SUCCESS;
      40              : }
      41              : 
      42            4 : HcclResult CheckCrc::GetCrc(u32 num, u32* crcAddr)
      43              : {
      44            4 :     CHK_PTR_NULL(crcAddr);
      45           12 :     HCCL_INFO("num[%u], crc[%u]", num, *crcAddr);
      46              : 
      47            4 :     if (num == 0) {
      48            3 :         HCCL_ERROR("[Get][Crc]errNo[0x%016llx] In get crc the value of num is 0", HCCL_ERROR_CODE(HCCL_E_PARA));
      49            1 :         return HCCL_E_PARA;
      50              :     }
      51              : 
      52            3 :     if (num != crcTable_.size()) {
      53            3 :         HCCL_ERROR(
      54              :             "[Get][Crc]errNo[0x%016llx] num error inputNum[%u], localNum[%llu]", HCCL_ERROR_CODE(HCCL_E_INTERNAL), num,
      55              :             crcTable_.size());
      56            1 :         return HCCL_E_INTERNAL;
      57              :     }
      58              : 
      59            8 :     for (u32 i = 0; i < num; i++) {
      60            6 :         crcAddr[i] = crcTable_[i];
      61              :     }
      62            2 :     return HCCL_SUCCESS;
      63              : }
      64              : 
      65           11 : void CheckCrc::InitTable(void)
      66              : {
      67         2827 :     for (u32 i = 0; i < CRC_TABLE_LENTH; i++) {
      68         2816 :         u32 crc = i;
      69        25344 :         for (u32 j = 0; j < CRC_CALC_8; j++) {
      70        22528 :             if ((crc & 1) != 0) {
      71        11264 :                 crc = (crc >> 1) ^ CRC_DEFAULT_VALUE;
      72              :             } else {
      73        11264 :                 crc = crc >> 1;
      74              :             }
      75              :         }
      76         2816 :         crcCalcTable[i] = crc;
      77              :     }
      78           11 : }
      79              : 
      80              : // 构造CRC字符串,按照CRC_NUM CRC1 CRC2 CRC3....,每个数字中间使用空格隔开
      81            5 : std::string CheckCrc::GetString(void)
      82              : {
      83            5 :     u32 num = crcTable_.size();
      84            5 :     std::string str;
      85            5 :     str += std::to_string(num);
      86            5 :     str += " ";
      87            5 :     if (num != 0) {
      88           17 :         for (u32 i = 0; i < num; i++) {
      89           13 :             str += std::to_string(crcTable_[i]);
      90           13 :             str += " ";
      91              :         }
      92              :     }
      93           15 :     HCCL_INFO("str[%s]", str.c_str());
      94            5 :     return str;
      95            0 : }
      96              : 
      97           16 : HcclResult CheckCrc::Calc32Crc(const char* data, u64 length, u32* crcValue)
      98              : {
      99           16 :     CHK_PTR_NULL(data);
     100           16 :     CHK_PTR_NULL(crcValue);
     101           48 :     HCCL_INFO("length[%llu], crcValue[%u]", length, *crcValue);
     102           16 :     u32 ret = INVALID_U32;
     103           16 :     if (initFlag_ == 0) {
     104           11 :         InitTable();
     105           11 :         initFlag_ = 1;
     106              :     }
     107        27150 :     for (u64 i = 0; i < length; i++) {
     108        27134 :         ret = crcCalcTable[((ret & 0xFF) ^ static_cast<u8>(data[i]))] ^ (ret >> CRC_CALC_8);
     109              :     }
     110              : 
     111           16 :     *crcValue = ~ret;
     112           16 :     return HCCL_SUCCESS;
     113              : }
     114              : 
     115            6 : HcclResult CheckCrc::CalcStringCrc(const char* str, u32* crcValue)
     116              : {
     117            6 :     CHK_PTR_NULL(str);
     118            6 :     CHK_PTR_NULL(crcValue);
     119              :     s32 strLength;
     120              : 
     121            6 :     strLength = strlen(str);
     122            6 :     CHK_PRT_RET(
     123              :         strLength <= 0, HCCL_ERROR("[Calc][StringCrc]String is empty, String length[%d].", strLength), HCCL_E_PARA);
     124              : 
     125              :     // 计算并设置CRC值
     126            6 :     CHK_RET(this->Calc32Crc(str, static_cast<u64>(strLength), crcValue));
     127              : 
     128            6 :     return HCCL_SUCCESS;
     129              : }
     130              : 
     131            1 : HcclResult CheckCrc::ClearCrcInfo(void)
     132              : {
     133            1 :     this->crcTable_.clear();
     134            1 :     if ((this->crcTable_.size()) != 0) {
     135            0 :         HCCL_ERROR("[Clear][CrcInfo]errNo[0x%016llx] clear crcTable_ is failed", HCCL_ERROR_CODE(HCCL_E_INTERNAL));
     136            0 :         return HCCL_E_INTERNAL;
     137              :     }
     138            1 :     return HCCL_SUCCESS;
     139              : }
     140              : } // namespace Hccl
        

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