gistfile1.hpp

try
{
  /* check memcached first */
  if (isMemcachedUsed())
  {
    getCache()->get(key, ret_val);
    if (! ret_val.empty())
    {
      return true;
    }
  }

  /* ok, we missed in memcache - lets go to S3 */
  S3ConnectionPtr s3_ptr= conn_pool->getConnection();
  GetResponsePtr get_ptr= s3_ptr->get(bucket_name, key);
  istream &in_stream= get_ptr->getInputStream();
  uint64_t len= get_ptr->getContentLength();
  char *buffer= new char[len];
  if (in_stream.good())
  {
    in_stream.read(buffer, len);
  }
  ret_val.reserve(len);
  ret_val.assign(buffer, buffer + len);
  delete [] buffer;

  /* now push that value to memcached */
  if (isMemcachedUsed())
  {
    if (! getCache()->set(key, ret_val, 0, 0))
    {
      return false;
    }
  }
}