void RGWListBucketMultiparts_ObjStore_S3::send_response()
{
  if (op_ret < 0)
    set_req_state_err(s, op_ret);
  dump_errno(s);

  // Explicitly use chunked transfer encoding so that we can stream the result
  // to the user without having to wait for the full length of it.
  end_header(s, this, "application/xml", CHUNKED_TRANSFER_ENCODING);
  dump_start(s);
  if (op_ret < 0)
    return;

  s->formatter->open_object_section_in_ns("ListMultipartUploadsResult", XMLNS_AWS_S3);
  if (!s->bucket_tenant.empty())
    s->formatter->dump_string("Tenant", s->bucket_tenant);
  s->formatter->dump_string("Bucket", s->bucket_name);
  if (!prefix.empty())
    s->formatter->dump_string("ListMultipartUploadsResult.Prefix", prefix);
  const string& key_marker = marker.get_key();
  if (!key_marker.empty())
    s->formatter->dump_string("KeyMarker", key_marker);
  const string& upload_id_marker = marker.get_upload_id();
  if (!upload_id_marker.empty())
    s->formatter->dump_string("UploadIdMarker", upload_id_marker);
  string next_key = next_marker.mp.get_key();
  if (!next_key.empty())
    s->formatter->dump_string("NextKeyMarker", next_key);
  string next_upload_id = next_marker.mp.get_upload_id();
  if (!next_upload_id.empty())
    s->formatter->dump_string("NextUploadIdMarker", next_upload_id);
  s->formatter->dump_int("MaxUploads", max_uploads);
  if (!delimiter.empty())
    s->formatter->dump_string("Delimiter", delimiter);
  s->formatter->dump_string("IsTruncated", (is_truncated ? "true" : "false"));

  if (op_ret >= 0) {
    vector<RGWMultipartUploadEntry>::iterator iter;
    for (iter = uploads.begin(); iter != uploads.end(); ++iter) {
      RGWMPObj& mp = iter->mp;
      s->formatter->open_array_section("Upload");
      s->formatter->dump_string("Key", mp.get_key());
      s->formatter->dump_string("UploadId", mp.get_upload_id());
      dump_owner(s, s->user->user_id, s->user->display_name, "Initiator");
      dump_owner(s, s->user->user_id, s->user->display_name);
      s->formatter->dump_string("StorageClass", "STANDARD");
      dump_time(s, "Initiated", &iter->obj.meta.mtime);
      s->formatter->close_section();
    }
    if (!common_prefixes.empty()) {
      s->formatter->open_array_section("CommonPrefixes");
      map<string, bool>::iterator pref_iter;
      for (pref_iter = common_prefixes.begin();
	   pref_iter != common_prefixes.end(); ++pref_iter) {
	s->formatter->dump_string("CommonPrefixes.Prefix", pref_iter->first);
      }
      s->formatter->close_section();
    }
  }
  s->formatter->close_section();
  rgw_flush_formatter_and_reset(s, s->formatter);
}