subversion/libsvn_wc/context.c

   1 /*
   2  * context.c:  routines for managing a working copy context
   3  *
   4  * ====================================================================
   5  *    Licensed to the Apache Software Foundation (ASF) under one
   6  *    or more contributor license agreements.  See the NOTICE file
   7  *    distributed with this work for additional information
   8  *    regarding copyright ownership.  The ASF licenses this file
   9  *    to you under the Apache License, Version 2.0 (the
  10  *    "License"); you may not use this file except in compliance
  11  *    with the License.  You may obtain a copy of the License at
  12  *
  13  *      http://www.apache.org/licenses/LICENSE-2.0
  14  *
  15  *    Unless required by applicable law or agreed to in writing,
  16  *    software distributed under the License is distributed on an
  17  *    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  18  *    KIND, either express or implied.  See the License for the
  19  *    specific language governing permissions and limitations
  20  *    under the License.
  21  * ====================================================================
  22  */
  23
  24 #include <apr_pools.h>
  25
  26 #include "svn_types.h"
  27 #include "svn_pools.h"
  28 #include "svn_dirent_uri.h"
  29 #include "svn_path.h"
  30
  31 #include "wc.h"
  32 #include "wc_db.h"
  33
  34 #include "svn_private_config.h"
  35
  36
  37 \f
  38 /* APR cleanup function used to explicitly close any of our dependent
  39    data structures before we disappear ourselves. */
  40 static apr_status_t
  41 close_ctx_apr(void *data)
  42 {
  43   svn_wc_context_t *ctx = data;
  44
  45   if (ctx->close_db_on_destroy)
  46     {
  47       svn_error_t *err = svn_wc__db_close(ctx->db);
  48       if (err)
  49         {
  50           int result = err->apr_err;
  51           svn_error_clear(err);
  52           return result;
  53         }
  54     }
  55
  56   return APR_SUCCESS;
  57 }
  58
  59
  60 svn_error_t *
  61 svn_wc_context_create(svn_wc_context_t **wc_ctx,
  62                       const svn_config_t *config,
  63                       apr_pool_t *result_pool,
  64                       apr_pool_t *scratch_pool)
  65 {
  66   svn_wc_context_t *ctx = apr_pcalloc(result_pool, sizeof(*ctx));
  67
  68   /* Create the state_pool, and open up a wc_db in it.
  69    * Since config contains a private mutable member but C doesn't support
  70    * we need to make it writable */
  71   ctx->state_pool = result_pool;
  72   SVN_ERR(svn_wc__db_open(&ctx->db, (svn_config_t *)config,
  73                           FALSE, TRUE, ctx->state_pool, scratch_pool));
  74   ctx->close_db_on_destroy = TRUE;
  75
  76   apr_pool_cleanup_register(result_pool, ctx, close_ctx_apr,
  77                             apr_pool_cleanup_null);
  78
  79   *wc_ctx = ctx;
  80
  81   return SVN_NO_ERROR;
  82 }
  83
  84
  85 svn_error_t *
  86 svn_wc__context_create_with_db(svn_wc_context_t **wc_ctx,
  87                                svn_config_t *config,
  88                                svn_wc__db_t *db,
  89                                apr_pool_t *result_pool)
  90 {
  91   svn_wc_context_t *ctx = apr_pcalloc(result_pool, sizeof(*ctx));
  92
  93   /* Create the state pool.  We don't put the wc_db in it, because it's
  94      already open in a separate pool somewhere.  We also won't close the
  95      wc_db when we destroy the context, since it's not ours to close. */
  96   ctx->state_pool = result_pool;
  97   ctx->db = db;
  98   ctx->close_db_on_destroy = FALSE;
  99
 100   apr_pool_cleanup_register(result_pool, ctx, close_ctx_apr,
 101                             apr_pool_cleanup_null);
 102
 103   *wc_ctx = ctx;
 104
 105   return SVN_NO_ERROR;
 106 }
 107
 108
 109 svn_error_t *
 110 svn_wc_context_destroy(svn_wc_context_t *wc_ctx)
 111 {
 112   /* We added a cleanup when creating; just run it now to close the context. */
 113   apr_pool_cleanup_run(wc_ctx->state_pool, wc_ctx, close_ctx_apr);
 114
 115   return SVN_NO_ERROR;
 116 }