| /* miscellaneous-table.c : operations on the `miscellaneous' table |
| * |
| * ==================================================================== |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * ==================================================================== |
| */ |
| |
| #include <string.h> |
| #include <assert.h> |
| #include "bdb_compat.h" |
| |
| #include "svn_pools.h" |
| #include "dbt.h" |
| #include "../err.h" |
| #include "../fs.h" |
| #include "../trail.h" |
| #include "../../libsvn_fs/fs-loader.h" |
| #include "bdb-err.h" |
| #include "miscellaneous-table.h" |
| |
| #include "private/svn_fs_util.h" |
| |
| |
| int |
| svn_fs_bdb__open_miscellaneous_table(DB **miscellaneous_p, |
| DB_ENV *env, |
| svn_boolean_t create) |
| { |
| const u_int32_t open_flags = (create ? (DB_CREATE | DB_EXCL) : 0); |
| DB *miscellaneous; |
| int error; |
| |
| BDB_ERR(svn_fs_bdb__check_version()); |
| BDB_ERR(db_create(&miscellaneous, env, 0)); |
| error = (miscellaneous->open)(SVN_BDB_OPEN_PARAMS(miscellaneous, NULL), |
| "miscellaneous", 0, DB_BTREE, |
| open_flags, 0666); |
| |
| /* Create the table if it doesn't yet exist. This is a form of |
| automagical repository upgrading. */ |
| if (error == ENOENT && (! create)) |
| { |
| BDB_ERR(miscellaneous->close(miscellaneous, 0)); |
| return svn_fs_bdb__open_miscellaneous_table(miscellaneous_p, env, TRUE); |
| } |
| BDB_ERR(error); |
| |
| /* If we're creating the table from scratch (not upgrading), record the |
| upgrade rev as 0. */ |
| if (create) |
| { |
| DBT key, value; |
| |
| BDB_ERR(miscellaneous->put |
| (miscellaneous, 0, |
| svn_fs_base__str_to_dbt |
| (&key, SVN_FS_BASE__MISC_FORWARD_DELTA_UPGRADE), |
| svn_fs_base__str_to_dbt(&value, "0"), 0)); |
| } |
| |
| *miscellaneous_p = miscellaneous; |
| return 0; |
| } |
| |
| |
| svn_error_t * |
| svn_fs_bdb__miscellaneous_set(svn_fs_t *fs, |
| const char *key_str, |
| const char *val, |
| trail_t *trail, |
| apr_pool_t *pool) |
| { |
| base_fs_data_t *bfd = fs->fsap_data; |
| DBT key, value; |
| |
| svn_fs_base__str_to_dbt(&key, key_str); |
| if (val == NULL) |
| { |
| svn_fs_base__trail_debug(trail, "miscellaneous", "del"); |
| return BDB_WRAP(fs, N_("deleting record from 'miscellaneous' table"), |
| bfd->miscellaneous->del(bfd->miscellaneous, |
| trail->db_txn, &key, 0)); |
| } |
| else |
| { |
| svn_fs_base__str_to_dbt(&value, val); |
| svn_fs_base__trail_debug(trail, "miscellaneous", "add"); |
| return BDB_WRAP(fs, N_("storing miscellaneous record"), |
| bfd->miscellaneous->put(bfd->miscellaneous, |
| trail->db_txn, |
| &key, &value, 0)); |
| } |
| } |
| |
| |
| svn_error_t * |
| svn_fs_bdb__miscellaneous_get(const char **val, |
| svn_fs_t *fs, |
| const char *key_str, |
| trail_t *trail, |
| apr_pool_t *pool) |
| { |
| base_fs_data_t *bfd = fs->fsap_data; |
| DBT key, value; |
| int db_err; |
| |
| *val = NULL; |
| svn_fs_base__trail_debug(trail, "miscellaneous", "get"); |
| db_err = bfd->miscellaneous->get(bfd->miscellaneous, trail->db_txn, |
| svn_fs_base__str_to_dbt(&key, key_str), |
| svn_fs_base__result_dbt(&value), 0); |
| svn_fs_base__track_dbt(&value, pool); |
| |
| if (db_err != DB_NOTFOUND) |
| { |
| SVN_ERR(BDB_WRAP(fs, N_("fetching miscellaneous record"), db_err)); |
| *val = apr_pstrmemdup(pool, value.data, value.size); |
| } |
| return SVN_NO_ERROR; |
| } |