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xgboost/dmlc-core/src/io/s3_filesys.cc  view on Meta::CPAN

}

std::string getEndpoint(std::string region_name) {
  // using if elseif chain switching region_name

  if (region_name == "us-east-1") {
    return "s3.amazonaws.com";
  } else if (region_name == "cn-north-1") {
    return "s3.cn-north-1.amazonaws.com.cn";
  } else {
    std::string result_endpoint = std::string("s3-");
    result_endpoint.append(region_name);
    result_endpoint.append(".amazonaws.com");
    return result_endpoint;
  }
}


// useful callback for reading memory
struct ReadStringStream {
  const char *dptr;
  size_t nleft;
  // constructor
  explicit ReadStringStream(const std::string &data) {