Function ReadMetaTabletFromFile

src/admincli.cc:740–785

}

int ReadMetaTabletFromFile(const std::string& filename) {
  std::ifstream ifs(filename.c_str(), std::ofstream::binary);
  if (!ifs.is_open()) {
    LOG(INFO) << "fail to open file " << filename << " for read";
    return -1;
  }

  std::string key, value;
  TabletMeta meta;
  std::pair<std::string, std::string> keyrange_bak;
  std::string path_bak;
  std::string startkey_bak;
  std::string endkey_bak;

  while (ReadMetaFromStream(ifs, &key, &value)) {
    if (key.empty()) {
      return 0;
    }
    char first_key_char = key[0];
    if (first_key_char == '~' || first_key_char == '@' || first_key_char == '|') {
      continue;
    } else if (first_key_char > '@') {
      ParseMetaTableKeyValue(key, value, &meta);

      if (meta.table_name() == FLAGS_tera_master_meta_table_name) {
        LOG(INFO) << "ignore meta tablet record in meta table";
      } else {
        path_bak = meta.path();
        startkey_bak = meta.key_range().key_start();
        endkey_bak = meta.key_range().key_end();

        auto it = g_map_bak.find(path_bak);
        if (it == g_map_bak.end()) {
          keyrange_bak = make_pair(startkey_bak, endkey_bak);
          g_map_bak.insert(make_pair(path_bak, keyrange_bak));
          LOG(INFO) << "read from meta bak file: path" << path_bak << "start" << startkey_bak
                    << "end" << endkey_bak;
        }
      }
    }
  }

  ifs.close();
  LOG(INFO) << "restore meta tablet from meta bak file succ";
  return 0;
}

int DfsListDir(const std::string& dir_name, std::vector<std::string>* paths) {
  struct stat fstat;