| /* |
| * 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> |
| |
| #define COLDBOOT_DONE "/dev/.coldboot_done" |
| |
| 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); |
| |
| bool read_file(const char* path, std::string* content); |
| int write_file(const char* path, const char* content); |
| |
| // A std::chrono clock based on CLOCK_BOOTTIME. |
| class boot_clock { |
| public: |
| typedef std::chrono::nanoseconds duration; |
| typedef std::chrono::time_point<boot_clock, duration> time_point; |
| static constexpr bool is_steady = true; |
| |
| static time_point now(); |
| }; |
| |
| 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_ns() const { |
| return (boot_clock::now() - start_).count(); |
| } |
| |
| private: |
| boot_clock::time_point start_; |
| }; |
| |
| std::ostream& operator<<(std::ostream& os, const Timer& t); |
| |
| unsigned int decode_uid(const char *s); |
| |
| int mkdir_recursive(const char *pathname, mode_t mode); |
| void sanitize(char *p); |
| 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); |
| 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 reboot(const char* destination) __attribute__((__noreturn__)); |
| void panic() __attribute__((__noreturn__)); |
| |
| #endif |