bdb-err.c revision 251881 
1285SN/A/*
2462SN/A * err.c : implementation of fs-private error functions
3285SN/A *
4285SN/A * ====================================================================
5285SN/A *    Licensed to the Apache Software Foundation (ASF) under one
6285SN/A *    or more contributor license agreements.  See the NOTICE file
7285SN/A *    distributed with this work for additional information
8285SN/A *    regarding copyright ownership.  The ASF licenses this file
9285SN/A *    to you under the Apache License, Version 2.0 (the
10285SN/A *    "License"); you may not use this file except in compliance
11285SN/A *    with the License.  You may obtain a copy of the License at
12285SN/A *
13285SN/A *      http://www.apache.org/licenses/LICENSE-2.0
14285SN/A *
15285SN/A *    Unless required by applicable law or agreed to in writing,
16285SN/A *    software distributed under the License is distributed on an
17285SN/A *    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
18285SN/A *    KIND, either express or implied.  See the License for the
19285SN/A *    specific language governing permissions and limitations
20285SN/A *    under the License.
21285SN/A * ====================================================================
22285SN/A */
23285SN/A
24285SN/A
25285SN/A
26285SN/A#include <stdlib.h>
27285SN/A#include <stdarg.h>
28285SN/A
29285SN/A#include <apr_strings.h>
30285SN/A
31285SN/A#include "svn_fs.h"
32285SN/A#include "../fs.h"
33285SN/A#include "../err.h"
34285SN/A#include "../../libsvn_fs/fs-loader.h"
35285SN/A#include "bdb-err.h"
36285SN/A
37285SN/A#define SVN_WANT_BDB
38285SN/A#include "svn_private_config.h"
39285SN/A
40285SN/A
41285SN/A/* Return a distinguished error for any db error code we want to detect
42285SN/A * programatically; otherwise return a generic error.
43285SN/A */
44285SN/Astatic int
45285SN/Abdb_err_to_apr_err(int db_err)
46285SN/A{
47285SN/A  if (db_err == DB_LOCK_DEADLOCK)
48285SN/A    return SVN_ERR_FS_BERKELEY_DB_DEADLOCK;
49285SN/A  else
50285SN/A    return SVN_ERR_FS_BERKELEY_DB;
51285SN/A}
52285SN/A
53285SN/A
54285SN/Asvn_error_t *
55285SN/Asvn_fs_bdb__dberr(bdb_env_baton_t *bdb_baton, int db_err)
56285SN/A{
57285SN/A  svn_error_t *child_errors;
58285SN/A
59285SN/A  child_errors = bdb_baton->error_info->pending_errors;
60285SN/A  bdb_baton->error_info->pending_errors = NULL;
61285SN/A
62285SN/A  return svn_error_create(bdb_err_to_apr_err(db_err), child_errors,
63285SN/A                          db_strerror(db_err));
64285SN/A}
65285SN/A
66285SN/A
67285SN/Asvn_error_t *
68285SN/Asvn_fs_bdb__dberrf(bdb_env_baton_t *bdb_baton,
69285SN/A                   int db_err, const char *fmt, ...)
70285SN/A{
71285SN/A  va_list ap;
72285SN/A  char *msg;
73285SN/A  svn_error_t *err;
74285SN/A  svn_error_t *child_errors;
75285SN/A
76285SN/A  child_errors = bdb_baton->error_info->pending_errors;
77285SN/A  bdb_baton->error_info->pending_errors = NULL;
78285SN/A
79285SN/A  err = svn_error_create(bdb_err_to_apr_err(db_err), child_errors, NULL);
80285SN/A
81285SN/A  va_start(ap, fmt);
82285SN/A  msg = apr_pvsprintf(err->pool, fmt, ap);
83285SN/A  va_end(ap);
84285SN/A  err->message = apr_psprintf(err->pool, "%s%s", msg, db_strerror(db_err));
85285SN/A  return svn_error_trace(err);
86285SN/A}
87285SN/A
88285SN/A
89285SN/Asvn_error_t *
90svn_fs_bdb__wrap_db(svn_fs_t *fs, const char *operation, int db_err)
91{
92  base_fs_data_t *bfd = fs->fsap_data;
93
94  if (! db_err)
95    {
96      svn_error_clear(bfd->bdb->error_info->pending_errors);
97      bfd->bdb->error_info->pending_errors = NULL;
98      return SVN_NO_ERROR;
99    }
100
101  bfd = fs->fsap_data;
102  return svn_fs_bdb__dberrf
103    (bfd->bdb, db_err,
104     _("Berkeley DB error for filesystem '%s' while %s:\n"),
105     fs->path ? fs->path : "(none)", _(operation));
106}
107