1 /* 2 * Copyright (C) 2019 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <chrono> 20 #include <string> 21 22 #ifdef HOST_TEST 23 #include <base/logging.h> 24 #else 25 #include <android-base/logging.h> 26 #endif 27 28 #define FS_AVB_TAG "[libfs_avb]" 29 30 // Logs a message to kernel 31 #define LINFO LOG(INFO) << FS_AVB_TAG 32 #define LWARNING LOG(WARNING) << FS_AVB_TAG 33 #define LERROR LOG(ERROR) << FS_AVB_TAG 34 #define LFATAL LOG(FATAL) << FS_AVB_TAG 35 36 // Logs a message with strerror(errno) at the end 37 #define PINFO PLOG(INFO) << FS_AVB_TAG 38 #define PWARNING PLOG(WARNING) << FS_AVB_TAG 39 #define PERROR PLOG(ERROR) << FS_AVB_TAG 40 #define PFATAL PLOG(FATAL) << FS_AVB_TAG 41 42 extern bool fs_mgr_get_boot_config(const std::string& key, std::string* out_val); 43 44 using namespace std::chrono_literals; 45 46 namespace android { 47 namespace fs_mgr { 48 49 bool NibbleValue(const char& c, uint8_t* value); 50 51 bool HexToBytes(uint8_t* bytes, size_t bytes_len, const std::string& hex); 52 53 std::string BytesToHex(const uint8_t* bytes, size_t bytes_len); 54 55 enum class FileWaitMode { Exists, DoesNotExist }; 56 bool WaitForFile(const std::string& filename, const std::chrono::milliseconds relative_timeout, 57 FileWaitMode wait_mode = FileWaitMode::Exists); 58 59 bool IsDeviceUnlocked(); 60 61 bool SetBlockDeviceReadOnly(const std::string& blockdev); 62 63 } // namespace fs_mgr 64 } // namespace android 65