void Recovery::GetLastFile()

in platform/consensus/recovery/recovery.cpp [121:154]

• 32 lines of code
• 7 McCabe index (conditional complexity)

void Recovery::GetLastFile() {
  std::string dir = std::filesystem::path(file_path_).parent_path();
  last_ckpt_ = -1;
  int m_time_s = 0;
  for (const auto& entry : std::filesystem::directory_iterator(dir)) {
    std::string dir = std::filesystem::path(entry.path()).parent_path();
    std::string file_name = std::filesystem::path(entry.path()).stem();
    std::string ext = std::filesystem::path(entry.path()).extension();
    if (ext != ".log") continue;
    int pos = file_name.rfind("_");
    int64_t ckpt = std::stoll(file_name.substr(pos + 1));
    int max_seq_pos = file_name.rfind("_", pos - 1);
    int min_seq_pos = file_name.rfind("_", max_seq_pos - 1);
    int time_pos = file_name.rfind("_", min_seq_pos - 1);

    int64_t min_seq = std::stoll(
        file_name.substr(min_seq_pos + 1, max_seq_pos - min_seq_pos - 1));

    int64_t time_s =
        std::stoll(file_name.substr(time_pos + 1, min_seq_pos - time_pos - 1));
    if (min_seq == -1) {
      if (last_ckpt_ == -1 || m_time_s < time_s) {
        file_path_ = entry.path();
        last_ckpt_ = ckpt;
        m_time_s = time_s;
        LOG(ERROR) << "get last path:" << file_name << " min:" << min_seq;
      }
    }
  }
  if (last_ckpt_ == -1) {
    last_ckpt_ = 0;
    file_path_ = GenerateFile(last_ckpt_, -1, -1);
  }
}