Refactor directory_command_should_use_begindir to use directory_request_t

 */

static int

directory_command_should_use_begindir(const or_options_t *options,

                                      const tor_addr_t *or_addr, int or_port,

                                      const tor_addr_t *dir_addr, int dir_port,

                                      dir_indirection_t indirection,

                                      const directory_request_t *req,

                                      const char **reason)

{

  (void)dir_addr;

  const tor_addr_t *or_addr = &req->or_addr_port.addr;

  //const tor_addr_t *dir_addr = &req->dir_addr_port.addr;

  const int or_port = req->or_addr_port.port;

  const int dir_port = req->dir_addr_port.port;

  const dir_indirection_t indirection = req->indirection;

  tor_assert(reason);

  *reason = NULL;

  const char *begindir_reason = NULL;

  /* Should the connection be to a relay's OR port (and inside that we will

   * send our directory request)? */

  const int use_begindir = directory_command_should_use_begindir(options,

                                     &or_addr_port->addr, or_addr_port->port,

                                     &dir_addr_port->addr, dir_addr_port->port,

                                     indirection,

                                     &begindir_reason);

  const int use_begindir =

    directory_command_should_use_begindir(options, request, &begindir_reason);

  /* Will the connection go via a three-hop Tor circuit? Note that this

   * is separate from whether it will use_begindir. */