1192811Srmacklem/* checksum-reps-table.h : internal interface to ops on `checksum-reps' table 2192811Srmacklem * 3192811Srmacklem * ==================================================================== 4192811Srmacklem * Licensed to the Apache Software Foundation (ASF) under one 5192811Srmacklem * or more contributor license agreements. See the NOTICE file 6192811Srmacklem * distributed with this work for additional information 7192811Srmacklem * regarding copyright ownership. The ASF licenses this file 8192811Srmacklem * to you under the Apache License, Version 2.0 (the 9192811Srmacklem * "License"); you may not use this file except in compliance 10192811Srmacklem * with the License. You may obtain a copy of the License at 11192811Srmacklem * 12192811Srmacklem * http://www.apache.org/licenses/LICENSE-2.0 13192811Srmacklem * 14192811Srmacklem * Unless required by applicable law or agreed to in writing, 15192811Srmacklem * software distributed under the License is distributed on an 16192811Srmacklem * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 17192811Srmacklem * KIND, either express or implied. See the License for the 18192811Srmacklem * specific language governing permissions and limitations 19192811Srmacklem * under the License. 20192811Srmacklem * ==================================================================== 21192811Srmacklem */ 22192811Srmacklem 23192811Srmacklem#ifndef SVN_LIBSVN_FS_CHECKSUM_REPS_TABLE_H 24192811Srmacklem#define SVN_LIBSVN_FS_CHECKSUM_REPS_TABLE_H 25192811Srmacklem 26192811Srmacklem#include "svn_fs.h" 27192811Srmacklem#include "svn_error.h" 28192811Srmacklem#include "svn_checksum.h" 29192811Srmacklem#include "../trail.h" 30192811Srmacklem#include "../fs.h" 31192811Srmacklem 32192811Srmacklem#ifdef __cplusplus 33192811Srmacklemextern "C" { 34192811Srmacklem#endif /* __cplusplus */ 35192811Srmacklem 36192811Srmacklem 37192811Srmacklem/* Open a `checksum-reps' table in ENV. If CREATE is non-zero, create 38192811Srmacklem one if it doesn't exist. Set *CHECKSUM_REPS_P to the new table. 39192811Srmacklem Return a Berkeley DB error code. */ 40192811Srmacklemint svn_fs_bdb__open_checksum_reps_table(DB **checksum_reps_p, 41192811Srmacklem DB_ENV *env, 42192811Srmacklem svn_boolean_t create); 43192811Srmacklem 44192811Srmacklem/* Set *REP_KEY to the representation key stored as the value of key 45192811Srmacklem CHECKSUM in the `checksum-reps' table. Do this as part of TRAIL. 46192811Srmacklem Use POOL for allocations. 47192811Srmacklem 48192811Srmacklem If no such node revision ID is stored for CHECKSUM, return 49192811Srmacklem SVN_ERR_FS_NO_SUCH_CHECKSUM_REP. */ 50192811Srmacklemsvn_error_t *svn_fs_bdb__get_checksum_rep(const char **rep_key, 51192811Srmacklem svn_fs_t *fs, 52192811Srmacklem svn_checksum_t *checksum, 53192811Srmacklem trail_t *trail, 54192811Srmacklem apr_pool_t *pool); 55192811Srmacklem 56192811Srmacklem/* Store in the `checksum-reps' table a mapping of CHECKSUM to 57192811Srmacklem representation key REP_KEY in FS. Do this as part of TRAIL. Use 58192811Srmacklem POOL for temporary allocations. 59192811Srmacklem 60192811Srmacklem WARNING: NEVER store a record that maps a checksum to a mutable 61192811Srmacklem representation. Ever. Under pain of dismemberment and death. */ 62192811Srmacklemsvn_error_t *svn_fs_bdb__set_checksum_rep(svn_fs_t *fs, 63192811Srmacklem svn_checksum_t *checksum, 64192811Srmacklem const char *rep_key, 65 trail_t *trail, 66 apr_pool_t *pool); 67 68/* Delete from the `checksum-reps' table the mapping of CHECKSUM to a 69 representation key in FS. Do this as part of TRAIL. Use POOL for 70 temporary allocations. */ 71svn_error_t *svn_fs_bdb__delete_checksum_rep(svn_fs_t *fs, 72 svn_checksum_t *checksum, 73 trail_t *trail, 74 apr_pool_t *pool); 75 76/* Reserve a unique reuse ID in the `checksum-reps' table in FS for a 77 new instance of a re-used representation as part of TRAIL. Return 78 the slot's id in *REUSE_ID_P, allocated in POOL. */ 79svn_error_t *svn_fs_bdb__reserve_rep_reuse_id(const char **reuse_id_p, 80 svn_fs_t *fs, 81 trail_t *trail, 82 apr_pool_t *pool); 83 84 85#ifdef __cplusplus 86} 87#endif /* __cplusplus */ 88 89#endif /* SVN_LIBSVN_FS_CHECKSUM_REPS_TABLE_H */ 90