cache_util_posix.cc revision 5821806d5e7f356e8fa4b058a389a808ea183019 
1// Copyright (c) 2011 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "net/disk_cache/cache_util.h"
6
7#include "base/file_util.h"
8#include "base/logging.h"
9#include "base/string_util.h"
10
11namespace disk_cache {
12
13bool MoveCache(const FilePath& from_path, const FilePath& to_path) {
14#if defined(OS_CHROMEOS)
15  // For ChromeOS, we don't actually want to rename the cache
16  // directory, because if we do, then it'll get recreated through the
17  // encrypted filesystem (with encrypted names), and we won't be able
18  // to see these directories anymore in an unmounted encrypted
19  // filesystem, so we just move each item in the cache to a new
20  // directory.
21  if (!file_util::CreateDirectory(to_path)) {
22    LOG(ERROR) << "Unable to create destination cache directory.";
23    return false;
24  }
25  file_util::FileEnumerator iter(from_path, false /* not recursive */,
26      file_util::FileEnumerator::DIRECTORIES |
27      file_util::FileEnumerator::FILES);
28  for (FilePath name = iter.Next(); !name.value().empty(); name = iter.Next()) {
29    FilePath destination = to_path.Append(name.BaseName());
30    if (!file_util::Move(name, destination)) {
31      LOG(ERROR) << "Unable to move cache item.";
32      return false;
33    }
34  }
35  return true;
36#else
37  return file_util::Move(from_path, to_path);
38#endif
39}
40
41void DeleteCache(const FilePath& path, bool remove_folder) {
42  file_util::FileEnumerator iter(path,
43                                 /* recursive */ false,
44                                 file_util::FileEnumerator::FILES);
45  for (FilePath file = iter.Next(); !file.value().empty(); file = iter.Next()) {
46    if (!file_util::Delete(file, /* recursive */ false)) {
47      LOG(WARNING) << "Unable to delete cache.";
48      return;
49    }
50  }
51
52  if (remove_folder) {
53    if (!file_util::Delete(path, /* recursive */ false)) {
54      LOG(WARNING) << "Unable to delete cache folder.";
55      return;
56    }
57  }
58}
59
60bool DeleteCacheFile(const FilePath& name) {
61  return file_util::Delete(name, false);
62}
63
64}  // namespace disk_cache
65