lib/dbwrap/dbwrap.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Database interface wrapper around tdb
   4    Copyright (C) Volker Lendecke 2005-2007
   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 #ifndef __DBWRAP_H__
  21 #define __DBWRAP_H__
  22
  23 #include "tdb_compat.h"
  24
  25 struct db_record;
  26 struct db_context;
  27
  28 enum dbwrap_lock_order {
  29         DBWRAP_LOCK_ORDER_1 = 1,
  30         DBWRAP_LOCK_ORDER_2 = 2,
  31         DBWRAP_LOCK_ORDER_3 = 3
  32 };
  33
  34 /* The following definitions come from lib/dbwrap.c  */
  35
  36 TDB_DATA dbwrap_record_get_key(const struct db_record *rec);
  37 TDB_DATA dbwrap_record_get_value(const struct db_record *rec);
  38 NTSTATUS dbwrap_record_store(struct db_record *rec, TDB_DATA data, int flags);
  39 NTSTATUS dbwrap_record_delete(struct db_record *rec);
  40 struct db_record *dbwrap_fetch_locked(struct db_context *db,
  41                                       TALLOC_CTX *mem_ctx,
  42                                       TDB_DATA key);
  43 struct db_record *dbwrap_try_fetch_locked(struct db_context *db,
  44                                           TALLOC_CTX *mem_ctx,
  45                                           TDB_DATA key);
  46 struct db_context *dbwrap_record_get_db(struct db_record *rec);
  47 void dbwrap_set_stored_callback(
  48         struct db_context *db,
  49         void (*cb)(struct db_context *db, struct db_record *rec,
  50                    void *private_data),
  51         void *private_data);
  52
  53 NTSTATUS dbwrap_delete(struct db_context *db, TDB_DATA key);
  54 NTSTATUS dbwrap_store(struct db_context *db, TDB_DATA key,
  55                       TDB_DATA data, int flags);
  56 NTSTATUS dbwrap_fetch(struct db_context *db, TALLOC_CTX *mem_ctx,
  57                       TDB_DATA key, TDB_DATA *value);
  58 bool dbwrap_exists(struct db_context *db, TDB_DATA key);
  59 NTSTATUS dbwrap_traverse(struct db_context *db,
  60                          int (*f)(struct db_record*, void*),
  61                          void *private_data,
  62                          int *count);
  63 NTSTATUS dbwrap_traverse_read(struct db_context *db,
  64                               int (*f)(struct db_record*, void*),
  65                               void *private_data,
  66                               int *count);
  67 NTSTATUS dbwrap_parse_record(struct db_context *db, TDB_DATA key,
  68                              void (*parser)(TDB_DATA key, TDB_DATA data,
  69                                             void *private_data),
  70                              void *private_data);
  71 int dbwrap_wipe(struct db_context *db);
  72 int dbwrap_get_seqnum(struct db_context *db);
  73 int dbwrap_get_flags(struct db_context *db);
  74 int dbwrap_transaction_start(struct db_context *db);
  75 int dbwrap_transaction_commit(struct db_context *db);
  76 int dbwrap_transaction_cancel(struct db_context *db);
  77 void dbwrap_db_id(struct db_context *db, const uint8_t **id, size_t *idlen);
  78
  79
  80 /* The following definitions come from lib/dbwrap_util.c  */
  81
  82 NTSTATUS dbwrap_delete_bystring(struct db_context *db, const char *key);
  83 NTSTATUS dbwrap_store_bystring(struct db_context *db, const char *key,
  84                                TDB_DATA data, int flags);
  85 NTSTATUS dbwrap_fetch_bystring(struct db_context *db, TALLOC_CTX *mem_ctx,
  86                                const char *key, TDB_DATA *value);
  87
  88 NTSTATUS dbwrap_fetch_int32(struct db_context *db, const char *keystr,
  89                             int32_t *result);
  90 NTSTATUS dbwrap_store_int32(struct db_context *db, const char *keystr,
  91                             int32_t v);
  92 NTSTATUS dbwrap_fetch_uint32(struct db_context *db, const char *keystr,
  93                              uint32_t *val);
  94 NTSTATUS dbwrap_store_uint32(struct db_context *db, const char *keystr,
  95                              uint32_t v);
  96 NTSTATUS dbwrap_change_uint32_atomic(struct db_context *db, const char *keystr,
  97                                      uint32_t *oldval, uint32_t change_val);
  98 NTSTATUS dbwrap_trans_change_uint32_atomic(struct db_context *db,
  99                                            const char *keystr,
 100                                            uint32_t *oldval,
 101                                            uint32_t change_val);
 102 NTSTATUS dbwrap_change_int32_atomic(struct db_context *db, const char *keystr,
 103                                     int32_t *oldval, int32_t change_val);
 104 NTSTATUS dbwrap_trans_change_int32_atomic(struct db_context *db,
 105                                           const char *keystr,
 106                                           int32_t *oldval,
 107                                           int32_t change_val);
 108 NTSTATUS dbwrap_trans_store(struct db_context *db, TDB_DATA key, TDB_DATA dbuf,
 109                             int flag);
 110 NTSTATUS dbwrap_trans_delete(struct db_context *db, TDB_DATA key);
 111 NTSTATUS dbwrap_trans_store_int32(struct db_context *db, const char *keystr,
 112                                   int32_t v);
 113 NTSTATUS dbwrap_trans_store_uint32(struct db_context *db, const char *keystr,
 114                                    uint32_t v);
 115 NTSTATUS dbwrap_trans_store_bystring(struct db_context *db, const char *key,
 116                                      TDB_DATA data, int flags);
 117 NTSTATUS dbwrap_trans_delete_bystring(struct db_context *db, const char *key);
 118 NTSTATUS dbwrap_trans_do(struct db_context *db,
 119                          NTSTATUS (*action)(struct db_context *, void *),
 120                          void *private_data);
 121 NTSTATUS dbwrap_trans_traverse(struct db_context *db,
 122                                int (*f)(struct db_record*, void*),
 123                                void *private_data);
 124
 125 NTSTATUS dbwrap_delete_bystring_upper(struct db_context *db, const char *key);
 126 NTSTATUS dbwrap_store_bystring_upper(struct db_context *db, const char *key,
 127                                      TDB_DATA data, int flags);
 128 NTSTATUS dbwrap_fetch_bystring_upper(struct db_context *db, TALLOC_CTX *mem_ctx,
 129                                      const char *key, TDB_DATA *value);
 130
 131 #endif /* __DBWRAP_H__ */