TrigConfMD5.cxx

Go to the documentation of this file.

/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
 
#include "./TrigConfMD5.h"
 
#include <sstream>
 
#include "CxxUtils/MD5.h"
 
namespace TrigConf {
 
  uint32_t doTruncatedHash(const std::stringstream& ss) {
    MD5 md5(ss.str());
    const std::string truncated_hash_hex = md5.hex_digest().substr(0, 8); // Of 32
    std::stringstream hex_to_int;
    uint32_t truncated_hash_int = 0;
    hex_to_int << std::hex << truncated_hash_hex;
    hex_to_int >> truncated_hash_int;
    return truncated_hash_int;
  }
 
  uint32_t truncatedHash(const DataStructure& dataStructure) {
    std::stringstream ss;
    dataStructure.printRaw(ss);
    return doTruncatedHash(ss);
  }
 
 
  uint32_t truncatedHash(const TrigConf::L1Menu& L1DataStructure, const TrigConf::HLTMenu& HLTDataStructure) {
    std::stringstream ss1;
    L1DataStructure.printRaw(ss1);
    std::stringstream ss2;
    HLTDataStructure.printRaw(ss2);
    std::stringstream ss_concatonate;
    ss_concatonate << ss2.str() << ss1.str();
    return doTruncatedHash(ss_concatonate);
  }
 
 
}