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1 /* lock.h : internal interface to lock functions
2  *
3  * ====================================================================
4  *    Licensed to the Apache Software Foundation (ASF) under one
5  *    or more contributor license agreements.  See the NOTICE file
6  *    distributed with this work for additional information
7  *    regarding copyright ownership.  The ASF licenses this file
8  *    to you under the Apache License, Version 2.0 (the
9  *    "License"); you may not use this file except in compliance
10  *    with the License.  You may obtain a copy of the License at
11  *
12  *      http://www.apache.org/licenses/LICENSE-2.0
13  *
14  *    Unless required by applicable law or agreed to in writing,
15  *    software distributed under the License is distributed on an
16  *    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17  *    KIND, either express or implied.  See the License for the
18  *    specific language governing permissions and limitations
19  *    under the License.
20  * ====================================================================
21  */
22
23 #ifndef SVN_LIBSVN_FS_LOCK_H
24 #define SVN_LIBSVN_FS_LOCK_H
25
26 #ifdef __cplusplus
27 extern "C" {
28 #endif /* __cplusplus */
29
30 \f
31
32 /* These functions implement some of the calls in the FS loader
33    library's fs vtables. */
34
35 svn_error_t *svn_fs_fs__lock(svn_lock_t **lock,
36                              svn_fs_t *fs,
37                              const char *path,
38                              const char *token,
39                              const char *comment,
40                              svn_boolean_t is_dav_comment,
41                              apr_time_t expiration_date,
42                              svn_revnum_t current_rev,
43                              svn_boolean_t steal_lock,
44                              apr_pool_t *pool);
45
46 svn_error_t *svn_fs_fs__generate_lock_token(const char **token,
47                                             svn_fs_t *fs,
48                                             apr_pool_t *pool);
49
50 svn_error_t *svn_fs_fs__unlock(svn_fs_t *fs,
51                                const char *path,
52                                const char *token,
53                                svn_boolean_t break_lock,
54                                apr_pool_t *pool);
55
56 svn_error_t *svn_fs_fs__get_lock(svn_lock_t **lock,
57                                  svn_fs_t *fs,
58                                  const char *path,
59                                  apr_pool_t *pool);
60
61 svn_error_t *svn_fs_fs__get_locks(svn_fs_t *fs,
62                                   const char *path,
63                                   svn_depth_t depth,
64                                   svn_fs_get_locks_callback_t get_locks_func,
65                                   void *get_locks_baton,
66                                   apr_pool_t *pool);
67
68
69 /* Examine PATH for existing locks, and check whether they can be
70    used.  Use POOL for temporary allocations.
71
72    If no locks are present, return SVN_NO_ERROR.
73
74    If PATH is locked (or contains locks "below" it, when RECURSE is
75    set), then verify that:
76
77       1. a username has been supplied to TRAIL->fs's access-context,
78          else return SVN_ERR_FS_NO_USER.
79
80       2. for every lock discovered, the current username in the access
81          context of TRAIL->fs matches the "owner" of the lock, else
82          return SVN_ERR_FS_LOCK_OWNER_MISMATCH.
83
84       3. for every lock discovered, a matching lock token has been
85          passed into TRAIL->fs's access-context, else return
86          SVN_ERR_FS_BAD_LOCK_TOKEN.
87
88    If all three conditions are met, return SVN_NO_ERROR.
89
90    If the caller (directly or indirectly) has the FS write lock,
91    HAVE_WRITE_LOCK should be true.
92 */
93 svn_error_t *svn_fs_fs__allow_locked_operation(const char *path,
94                                                svn_fs_t *fs,
95                                                svn_boolean_t recurse,
96                                                svn_boolean_t have_write_lock,
97                                                apr_pool_t *pool);
98
99 #ifdef __cplusplus
100 }
101 #endif /* __cplusplus */
102
103 #endif /* SVN_LIBSVN_FS_LOCK_H */