subversion/libsvn_fs_base/bdb/node-origins-table.h

   1 /* node-origins-table.h : internal interface to ops on `node-origins' table
   2  *
   3  * ====================================================================
   4  * Copyright (c) 2007 CollabNet.  All rights reserved.
   5  *
   6  * This software is licensed as described in the file COPYING, which
   7  * you should have received as part of this distribution.  The terms
   8  * are also available at http://subversion.tigris.org/license-1.html.
   9  * If newer versions of this license are posted there, you may use a
  10  * newer version instead, at your option.
  11  *
  12  * This software consists of voluntary contributions made by many
  13  * individuals.  For exact contribution history, see the revision
  14  * history and logs, available at http://subversion.tigris.org/.
  15  * ====================================================================
  16  */
  17
  18 #ifndef SVN_LIBSVN_FS_NODE_ORIGINS_TABLE_H
  19 #define SVN_LIBSVN_FS_NODE_ORIGINS_TABLE_H
  20
  21 #include "svn_fs.h"
  22 #include "svn_error.h"
  23 #include "../trail.h"
  24 #include "../fs.h"
  25
  26 #ifdef __cplusplus
  27 extern "C" {
  28 #endif /* __cplusplus */
  29
  30 \f
  31 /* Open a `node-origins' table in ENV.  If CREATE is non-zero, create
  32    one if it doesn't exist.  Set *NODE_ORIGINS_P to the new table.
  33    Return a Berkeley DB error code.  */
  34 int svn_fs_bdb__open_node_origins_table(DB **node_origins_p,
  35                                         DB_ENV *env,
  36                                         svn_boolean_t create);
  37
  38 /* Set *ORIGIN_ID to the node revision ID from which the history of
  39    all nodes in FS whose node ID is NODE_ID springs, as determined by
  40    a look in the `node-origins' table.  Do this as part of TRAIL.  Use
  41    POOL for allocations.
  42
  43    If no such node revision ID is stored for NODE_ID, return
  44    SVN_ERR_FS_NO_SUCH_NODE_ORIGIN.  */
  45 svn_error_t *svn_fs_bdb__get_node_origin(const svn_fs_id_t **origin_id,
  46                                          svn_fs_t *fs,
  47                                          const char *node_id,
  48                                          trail_t *trail,
  49                                          apr_pool_t *pool);
  50
  51 /* Store in the `node-origins' table a mapping of NODE_ID to original
  52    node revision ID ORIGIN_ID for FS.  Do this as part of TRAIL.  Use
  53    POOL for temporary allocations.  */
  54 svn_error_t *svn_fs_bdb__set_node_origin(svn_fs_t *fs,
  55                                          const char *node_id,
  56                                          const svn_fs_id_t *origin_id,
  57                                          trail_t *trail,
  58                                          apr_pool_t *pool);
  59
  60 /* Delete from the `node-origins' table the record for NODE_ID in FS.
  61    Do this as part of TRAIL.  Use POOL for temporary allocations.  */
  62 svn_error_t *svn_fs_bdb__delete_node_origin(svn_fs_t *fs,
  63                                             const char *node_id,
  64                                             trail_t *trail,
  65                                             apr_pool_t *pool);
  66
  67 #ifdef __cplusplus
  68 }
  69 #endif /* __cplusplus */
  70
  71 #endif /* SVN_LIBSVN_FS_NODE_ORIGINS_TABLE_H */