82 lines
3.2 KiB
C++
82 lines
3.2 KiB
C++
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <chrono>
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#include <string>
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#include <vector>
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#include "common/libs/utils/result.h"
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namespace cuttlefish {
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bool FileExists(const std::string& path, bool follow_symlinks = true);
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bool FileHasContent(const std::string& path);
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Result<std::vector<std::string>> DirectoryContents(const std::string& path);
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bool DirectoryExists(const std::string& path, bool follow_symlinks = true);
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Result<void> EnsureDirectoryExists(const std::string& directory_path,
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const mode_t mode = S_IRWXU | S_IRWXG |
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S_IROTH | S_IXOTH,
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const std::string& group_name = "");
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Result<void> ChangeGroup(const std::string& path,
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const std::string& group_name);
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bool CanAccess(const std::string& path, const int mode);
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bool IsDirectoryEmpty(const std::string& path);
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bool RecursivelyRemoveDirectory(const std::string& path);
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bool Copy(const std::string& from, const std::string& to);
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off_t FileSize(const std::string& path);
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bool RemoveFile(const std::string& file);
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Result<std::string> RenameFile(const std::string& current_filepath,
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const std::string& target_filepath);
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std::string ReadFile(const std::string& file);
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bool MakeFileExecutable(const std::string& path);
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std::chrono::system_clock::time_point FileModificationTime(const std::string& path);
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std::string cpp_dirname(const std::string& str);
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std::string cpp_basename(const std::string& str);
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// Whether a file exists and is a unix socket
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bool FileIsSocket(const std::string& path);
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// Get disk usage of a path. If this path is a directory, disk usage will
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// account for all files under this folder(recursively).
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int GetDiskUsage(const std::string& path);
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// The returned value may contain .. or . if these are present in the path
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// argument.
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// path must not contain ~
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std::string AbsolutePath(const std::string& path);
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std::string CurrentDirectory();
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struct FileSizes {
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off_t sparse_size;
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off_t disk_size;
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};
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FileSizes SparseFileSizes(const std::string& path);
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// Find file with name |target_name| under directory |path|, return path to
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// found file(if any)
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std::string FindFile(const std::string& path, const std::string& target_name);
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Result<void> WalkDirectory(
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const std::string& dir,
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const std::function<bool(const std::string&)>& callback);
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Result<void> WaitForFile(const std::string& path, int timeoutSec);
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Result<void> WaitForUnixSocket(const std::string& path, int timeoutSec);
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} // namespace cuttlefish
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