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/**
* @copyright
* ====================================================================
* 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.
* ====================================================================
* @endcopyright
*
* @file svn_ra_private.h
* @brief The Subversion repository access library - Internal routines
*/
#ifndef SVN_RA_PRIVATE_H
#define SVN_RA_PRIVATE_H
#include <apr_pools.h>
#include "svn_error.h"
#include "svn_ra.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/* Return an error with code SVN_ERR_UNSUPPORTED_FEATURE, and an error
message referencing PATH_OR_URL, if the "server" pointed to by
RA_SESSION doesn't support Merge Tracking (e.g. is pre-1.5).
Perform temporary allocations in POOL. */
svn_error_t *
svn_ra__assert_mergeinfo_capable_server(svn_ra_session_t *ra_session,
const char *path_or_url,
apr_pool_t *pool);
/*** Operational Locks ***/
/** This is a function type which allows svn_ra__get_operational_lock()
* to report lock attempt failures. If non-NULL, @a locktoken is the
* preexisting lock which prevented lock acquisition.
*
* @since New in 1.7.
*/
typedef svn_error_t *(*svn_ra__lock_retry_func_t)(void *baton,
const svn_string_t *locktoken,
apr_pool_t *pool);
/** Acquire a lock (of sorts) on the repository associated with the
* given RA @a session, retrying as necessary up to @a num_retries
* times, and set @a *lock_string_p to the value of the acquired lock
* token. Allocate the returned token from @a pool. (See this
* function's counterpart svn_ra__release_operational_lock() for your
* lock removal needs.)
*
* @a lock_revprop_name is the name of the revision-0 property used to
* store the lock.
*
* If @a steal_lock is set, then replace any pre-existing lock on the
* repository with our own. Iff such a theft occurs and
* @a stolen_lock_p is non-NULL, set @a *stolen_lock_p to the token of
* the lock we stole.
*
* Call @a retry_func with @a retry_baton each time the retry loop
* fails to acquire a lock.
*
* Use @a cancel_func and @a cancel_baton to check for early
* cancellation.
*
* @note If the server does not support #SVN_RA_CAPABILITY_ATOMIC_REVPROPS
* (i.e., is a pre-1.7 server), then this function makes a "best effort"
* attempt to obtain the lock, but is susceptible to a race condition; see
* issue #3546.
*
* @since New in 1.7.
*/
svn_error_t *
svn_ra__get_operational_lock(const svn_string_t **lock_string_p,
const svn_string_t **stolen_lock_p,
svn_ra_session_t *session,
const char *lock_revprop_name,
svn_boolean_t steal_lock,
int num_retries,
svn_ra__lock_retry_func_t retry_func,
void *retry_baton,
svn_cancel_func_t cancel_func,
void *cancel_baton,
apr_pool_t *pool);
/** Release an operational lock (whose value is @a mylocktoken) on the
* repository associated with RA @a session. (This is the counterpart
* to svn_ra__get_operational_lock().)
*
* @a lock_revprop_name is the name of the revision-0 property used to
* store the lock.
*
* Use @a scratch_pool for temporary allocations.
*
* @since New in 1.7.
*/
svn_error_t *
svn_ra__release_operational_lock(svn_ra_session_t *session,
const char *lock_revprop_name,
const svn_string_t *mylocktoken,
apr_pool_t *scratch_pool);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* SVN_RA_PRIVATE_H */
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