backend.h

   1 /* Copyright (C) 2010 Red Hat, Inc.
   2
   3    This program is free software: you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License as published by
   5    the Free Software Foundation, either version 3 of the License, or
   6    (at your option) any later version.
   7
   8    This program is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11    GNU General Public License for more details.
  12
  13    You should have received a copy of the GNU General Public License
  14    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  15
  16 #if !defined(_BACKEND_H)
  17 #define _BACKEND_H
  18
  19 #include "state_defs.h"
  20
  21 typedef void     init_func_t            (struct _provider *prov);
  22 /* Get provider from passed backend_thunk. */
  23 typedef void    *get_child_func_t       (void *);
  24 /* Get provider from passed pipe_private. */
  25 typedef void    *put_child_func_t       (void *);
  26 typedef void    *cache_child_func_t     (void *);
  27 /* Get provider as an argument. */
  28 typedef int      delete_func_t          (const struct _provider *prov,
  29                                          const char *bucket, const char *key,
  30                                          const char *url);
  31 typedef int      bcreate_func_t         (const struct _provider *prov,
  32                                          const char *bucket);
  33 typedef int      register_func_t        (my_state *ms,
  34                                          const struct _provider *prov,
  35                                          const char *next, GHashTable *args);
  36
  37 typedef struct {
  38         const char              *name;
  39         init_func_t             *init_func;
  40         get_child_func_t        *get_child_func;
  41         put_child_func_t        *put_child_func;
  42         cache_child_func_t      *cache_child_func;
  43         delete_func_t           *delete_func;
  44         bcreate_func_t          *bcreate_func;
  45         register_func_t         *register_func;
  46 } backend_func_tbl;
  47
  48 #define THREAD_FAILED   ((void *)(-1))
  49
  50 void backend_init (void);
  51
  52 #endif