blob: c81b15c727884f1375c8d341bfc6c98a4cb9f799 [file] [log] [blame]
// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/disk_cache/simple/simple_index_file.h"
#include <dirent.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <memory>
#include <string>
#include "base/files/file_util.h"
#include "base/logging.h"
#include "starboard/types.h"
namespace disk_cache {
namespace {
struct DirCloser {
void operator()(DIR* dir) { closedir(dir); }
};
typedef std::unique_ptr<DIR, DirCloser> ScopedDir;
} // namespace
// static
bool SimpleIndexFile::TraverseCacheDirectory(
const base::FilePath& cache_path,
const EntryFileCallback& entry_file_callback) {
const ScopedDir dir(opendir(cache_path.value().c_str()));
if (!dir) {
PLOG(ERROR) << "opendir " << cache_path.value();
return false;
}
while (true) {
// errno must be set to 0 before every readdir() call to detect errors.
errno = 0;
dirent* entry = readdir(dir.get());
if (!entry) {
// Some implementations of readdir() (particularly older versions of
// Android Bionic) may leave errno set to EINTR even after they handle
// this case internally. It's safe to ignore EINTR in that case.
if (errno && errno != EINTR) {
PLOG(ERROR) << "readdir " << cache_path.value();
return false;
}
break;
}
const std::string file_name(entry->d_name);
if (file_name == "." || file_name == "..")
continue;
const base::FilePath file_path = cache_path.Append(
base::FilePath(file_name));
base::File::Info file_info;
if (!base::GetFileInfo(file_path, &file_info)) {
LOG(ERROR) << "Could not get file info for " << file_path.value();
continue;
}
entry_file_callback.Run(file_path, file_info.last_accessed,
file_info.last_modified, file_info.size);
}
return true;
}
} // namespace disk_cache