lib/util/tevent_werror.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Wrap win32 errors around tevent_req
   4    Copyright (C) Kai Blin 2010
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3 of the License, or
   9    (at your option) any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18 */
  19
  20 #include "../replace/replace.h"
  21 #include "tevent_werror.h"
  22
  23 bool _tevent_req_werror(struct tevent_req *req,
  24                         WERROR werror,
  25                         const char *location)
  26 {
  27         return _tevent_req_error(req, W_ERROR_V(werror),
  28                                  location);
  29 }
  30
  31 bool tevent_req_is_werror(struct tevent_req *req, WERROR *error)
  32 {
  33         enum tevent_req_state state;
  34         uint64_t err;
  35
  36         if (!tevent_req_is_error(req, &state, &err)) {
  37                 return false;
  38         }
  39         switch (state) {
  40         case TEVENT_REQ_TIMED_OUT:
  41                 *error = WERR_TIMEOUT;
  42                 break;
  43         case TEVENT_REQ_NO_MEMORY:
  44                 *error = WERR_NOMEM;
  45                 break;
  46         case TEVENT_REQ_USER_ERROR:
  47                 *error = W_ERROR(err);
  48                 break;
  49         default:
  50                 *error = WERR_INTERNAL_ERROR;
  51                 break;
  52         }
  53         return true;
  54 }
  55
  56 WERROR tevent_req_simple_recv_werror(struct tevent_req *req)
  57 {
  58         WERROR werror;
  59
  60         if (tevent_req_is_werror(req, &werror)) {
  61                 tevent_req_received(req);
  62                 return werror;
  63         }
  64         tevent_req_received(req);
  65         return WERR_OK;
  66 }
  67
  68 void tevent_req_simple_finish_werror(struct tevent_req *subreq,
  69                                      WERROR subreq_error)
  70 {
  71         struct tevent_req *req = tevent_req_callback_data(
  72                 subreq, struct tevent_req);
  73
  74         TALLOC_FREE(subreq);
  75
  76         if (!W_ERROR_IS_OK(subreq_error)) {
  77                 tevent_req_werror(req, subreq_error);
  78                 return;
  79         }
  80         tevent_req_done(req);
  81 }