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Diffstat (limited to 'subversion/libsvn_fs_fs/rep-cache.h')
| -rw-r--r-- | subversion/libsvn_fs_fs/rep-cache.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/subversion/libsvn_fs_fs/rep-cache.h b/subversion/libsvn_fs_fs/rep-cache.h new file mode 100644 index 0000000..3ccb056 --- /dev/null +++ b/subversion/libsvn_fs_fs/rep-cache.h @@ -0,0 +1,101 @@ +/* rep-cache.h : interface to rep cache db functions + * + * ==================================================================== + * 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. + * ==================================================================== + */ + +#ifndef SVN_LIBSVN_FS_FS_REP_CACHE_H +#define SVN_LIBSVN_FS_FS_REP_CACHE_H + +#include "svn_error.h" + +#include "fs.h" + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + + +#define REP_CACHE_DB_NAME "rep-cache.db" + +/* Open and create, if needed, the rep cache database associated with FS. + Use POOL for temporary allocations. */ +svn_error_t * +svn_fs_fs__open_rep_cache(svn_fs_t *fs, + apr_pool_t *pool); + +/* Set *EXISTS to TRUE iff the rep-cache DB file exists. */ +svn_error_t * +svn_fs_fs__exists_rep_cache(svn_boolean_t *exists, + svn_fs_t *fs, apr_pool_t *pool); + +/* Iterate all representations currently in FS's cache. */ +svn_error_t * +svn_fs_fs__walk_rep_reference(svn_fs_t *fs, + svn_revnum_t start, + svn_revnum_t end, + svn_error_t *(*walker)(representation_t *rep, + void *walker_baton, + svn_fs_t *fs, + apr_pool_t *scratch_pool), + void *walker_baton, + svn_cancel_func_t cancel_func, + void *cancel_baton, + apr_pool_t *pool); + +/* Return the representation REP in FS which has fulltext CHECKSUM. + REP is allocated in POOL. If the rep cache database has not been + opened, just set *REP to NULL. */ +svn_error_t * +svn_fs_fs__get_rep_reference(representation_t **rep, + svn_fs_t *fs, + svn_checksum_t *checksum, + apr_pool_t *pool); + +/* Set the representation REP in FS, using REP->CHECKSUM. + Use POOL for temporary allocations. + + If the rep cache database has not been opened, this may be a no op. + + If REJECT_DUP is TRUE, return an error if there is an existing + match for REP->CHECKSUM. */ +svn_error_t * +svn_fs_fs__set_rep_reference(svn_fs_t *fs, + representation_t *rep, + svn_boolean_t reject_dup, + apr_pool_t *pool); + +/* Delete from the cache all reps corresponding to revisions younger + than YOUNGEST. */ +svn_error_t * +svn_fs_fs__del_rep_reference(svn_fs_t *fs, + svn_revnum_t youngest, + apr_pool_t *pool); + +/* Start a transaction to take an SQLite reserved lock that prevents + other writes. */ +svn_error_t * +svn_fs_fs__lock_rep_cache(svn_fs_t *fs, + apr_pool_t *pool); + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* SVN_LIBSVN_FS_FS_REP_CACHE_H */ |
