subversion/libsvn_fs_base/bdb/bdb-err.c

   1 /*
   2  * err.c : implementation of fs-private error functions
   3  *
   4  * ====================================================================
   5  * Copyright (c) 2000-2006 CollabNet.  All rights reserved.
   6  *
   7  * This software is licensed as described in the file COPYING, which
   8  * you should have received as part of this distribution.  The terms
   9  * are also available at http://subversion.tigris.org/license-1.html.
  10  * If newer versions of this license are posted there, you may use a
  11  * newer version instead, at your option.
  12  *
  13  * This software consists of voluntary contributions made by many
  14  * individuals.  For exact contribution history, see the revision
  15  * history and logs, available at http://subversion.tigris.org/.
  16  * ====================================================================
  17  */
  18
  19
  20 \f
  21 #include <stdlib.h>
  22 #include <stdarg.h>
  23
  24 #define APU_WANT_DB
  25 #include <apu_want.h>
  26
  27 #include <apr_strings.h>
  28
  29 #include "svn_fs.h"
  30 #include "../fs.h"
  31 #include "../err.h"
  32 #include "../../libsvn_fs/fs-loader.h"
  33 #include "bdb-err.h"
  34
  35 #include "svn_private_config.h"
  36
  37 \f
  38 /* Return a distinguished error for any db error code we want to detect
  39  * programatically; otherwise return a generic error.
  40  */
  41 static int
  42 bdb_err_to_apr_err(int db_err)
  43 {
  44   if (db_err == DB_LOCK_DEADLOCK)
  45     return SVN_ERR_FS_BERKELEY_DB_DEADLOCK;
  46   else
  47     return SVN_ERR_FS_BERKELEY_DB;
  48 }
  49
  50 \f
  51 svn_error_t *
  52 svn_fs_bdb__dberr(bdb_env_baton_t *bdb_baton, int db_err)
  53 {
  54   svn_error_t *child_errors;
  55
  56   child_errors = bdb_baton->error_info->pending_errors;
  57   bdb_baton->error_info->pending_errors = NULL;
  58
  59   return svn_error_create(bdb_err_to_apr_err(db_err), child_errors,
  60                           db_strerror(db_err));
  61 }
  62
  63 \f
  64 svn_error_t *
  65 svn_fs_bdb__dberrf(bdb_env_baton_t *bdb_baton,
  66                    int db_err, const char *fmt, ...)
  67 {
  68   va_list ap;
  69   char *msg;
  70   svn_error_t *err;
  71   svn_error_t *child_errors;
  72
  73   child_errors = bdb_baton->error_info->pending_errors;
  74   bdb_baton->error_info->pending_errors = NULL;
  75
  76   err = svn_error_create(bdb_err_to_apr_err(db_err), child_errors, NULL);
  77
  78   va_start(ap, fmt);
  79   msg = apr_pvsprintf(err->pool, fmt, ap);
  80   va_end(ap);
  81   err->message = apr_psprintf(err->pool, "%s%s", msg, db_strerror(db_err));
  82   return err;
  83 }
  84
  85 \f
  86 svn_error_t *
  87 svn_fs_bdb__wrap_db(svn_fs_t *fs, const char *operation, int db_err)
  88 {
  89   base_fs_data_t *bfd = fs->fsap_data;
  90
  91   if (! db_err)
  92     {
  93       svn_error_clear(bfd->bdb->error_info->pending_errors);
  94       bfd->bdb->error_info->pending_errors = NULL;
  95       return SVN_NO_ERROR;
  96     }
  97
  98   bfd = fs->fsap_data;
  99   return svn_fs_bdb__dberrf
 100     (bfd->bdb, db_err,
 101      _("Berkeley DB error for filesystem '%s' while %s:\n"),
 102      fs->path ? fs->path : "(none)", operation);
 103 }