cache_util_posix.cc revision 2a99a7e74a7f215066514fe81d2bfa6639d9eddd 
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 base::FilePath& from_path, const base::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 (base::FilePath name = iter.Next(); !name.value().empty();
29       name = iter.Next()) {
30    base::FilePath destination = to_path.Append(name.BaseName());
31    if (!file_util::Move(name, destination)) {
32      LOG(ERROR) << "Unable to move cache item.";
33      return false;
34    }
35  }
36  return true;
37#else
38  return file_util::Move(from_path, to_path);
39#endif
40}
41
42void DeleteCache(const base::FilePath& path, bool remove_folder) {
43  file_util::FileEnumerator iter(path,
44                                 /* recursive */ false,
45                                 file_util::FileEnumerator::FILES);
46  for (base::FilePath file = iter.Next(); !file.value().empty();
47       file = iter.Next()) {
48    if (!file_util::Delete(file, /* recursive */ false)) {
49      LOG(WARNING) << "Unable to delete cache.";
50      return;
51    }
52  }
53
54  if (remove_folder) {
55    if (!file_util::Delete(path, /* recursive */ false)) {
56      LOG(WARNING) << "Unable to delete cache folder.";
57      return;
58    }
59  }
60}
61
62bool DeleteCacheFile(const base::FilePath& name) {
63  return file_util::Delete(name, false);
64}
65
66}  // namespace disk_cache
67