/* 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); /* Close the rep cache database associated with FS. */ svn_error_t * svn_fs_fs__close_rep_cache(svn_fs_t *fs); /* 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_P is allocated in POOL. If the rep cache database has not been opened, just set *REP_P to NULL. Returns SVN_ERR_FS_CORRUPT if a reference beyond HEAD is detected. */ svn_error_t * svn_fs_fs__get_rep_reference(representation_t **rep_p, 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. Returns SVN_ERR_FS_CORRUPT if an existing reference beyond HEAD is detected. If the rep cache database has not been opened, this may be a no op. */ svn_error_t * svn_fs_fs__set_rep_reference(svn_fs_t *fs, representation_t *rep, 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, call BODY, end the transaction, and return what BODY returned. */ svn_error_t * svn_fs_fs__with_rep_cache_lock(svn_fs_t *fs, svn_error_t *(*body)(void *baton, apr_pool_t *pool), void *baton, apr_pool_t *pool); #ifdef __cplusplus } #endif /* __cplusplus */ #endif /* SVN_LIBSVN_FS_FS_REP_CACHE_H */