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/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef _INIT_UTIL_H_
#define _INIT_UTIL_H_
#include <sys/stat.h>
#include <sys/types.h>
#include <chrono>
#include <functional>
#include <ostream>
#include <string>
#include <android-base/chrono_utils.h>
#include <selinux/label.h>
#define COLDBOOT_DONE "/dev/.coldboot_done"
const std::string kAndroidDtDir("/proc/device-tree/firmware/android/");
using android::base::boot_clock;
using namespace std::chrono_literals;
int create_socket(const char* name, int type, mode_t perm, uid_t uid, gid_t gid,
const char* socketcon, selabel_handle* sehandle);
bool ReadFile(const std::string& path, std::string* content, std::string* err);
bool WriteFile(const std::string& path, const std::string& content, std::string* err);
class Timer {
public:
Timer() : start_(boot_clock::now()) {}
double duration_s() const {
typedef std::chrono::duration<double> double_duration;
return std::chrono::duration_cast<double_duration>(boot_clock::now() - start_).count();
}
int64_t duration_ms() const {
return std::chrono::duration_cast<std::chrono::milliseconds>(boot_clock::now() - start_)
.count();
}
private:
android::base::boot_clock::time_point start_;
};
std::ostream& operator<<(std::ostream& os, const Timer& t);
bool DecodeUid(const std::string& name, uid_t* uid, std::string* err);
int mkdir_recursive(const std::string& pathname, mode_t mode, selabel_handle* sehandle);
int wait_for_file(const char *filename, std::chrono::nanoseconds timeout);
void import_kernel_cmdline(bool in_qemu,
const std::function<void(const std::string&, const std::string&, bool)>&);
int make_dir(const char* path, mode_t mode, selabel_handle* sehandle);
int restorecon(const char *pathname, int flags = 0);
std::string bytes_to_hex(const uint8_t *bytes, size_t bytes_len);
bool is_dir(const char* pathname);
bool expand_props(const std::string& src, std::string* dst);
void panic() __attribute__((__noreturn__));
// Reads or compares the content of device tree file under kAndroidDtDir directory.
bool read_android_dt_file(const std::string& sub_path, std::string* dt_content);
bool is_android_dt_value_expected(const std::string& sub_path, const std::string& expected_content);
#endif
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