1 /* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 #ifndef BIN_FLOW_UPDATE 16 #define BIN_FLOW_UPDATE 17 18 #include <cstdio> 19 #include <functional> 20 #include <string> 21 #include <sys/wait.h> 22 #include <vector> 23 #include <map> 24 25 #include "applypatch/data_writer.h" 26 #include "package/pkg_manager.h" 27 28 namespace Updater { 29 30 using BinFlowUpdateStep = enum { 31 BIN_UPDATE_STEP_PRE = 0, 32 BIN_UPDATE_STEP_DO, 33 BIN_UPDATE_STEP_POST 34 }; 35 36 struct BinFlowUpdateInfo { 37 std::vector<std::string> componentNames; 38 uint32_t curIndex = 0; 39 size_t imageWriteLen = 0; 40 bool needNewData = false; 41 std::map<BinFlowUpdateStep, std::function<int32_t (uint8_t *, uint32_t &)>> updateBinProcess_; 42 BinFlowUpdateStep updateStep = BIN_UPDATE_STEP_PRE; 43 std::unique_ptr<DataWriter> writer; 44 const Hpackage::FileInfo *info = nullptr; 45 }; 46 47 class BinFlowUpdate { 48 public: 49 explicit BinFlowUpdate(uint32_t maxBufSize); 50 virtual ~BinFlowUpdate(); 51 int32_t StartBinFlowUpdate(uint8_t *data, uint32_t len); 52 private: 53 int32_t BinUpdatePreWrite(uint8_t *data, uint32_t &len); 54 int32_t BinUpdateDoWrite(uint8_t *data, uint32_t &len); 55 int32_t BinUpdatePostWrite(uint8_t *data, uint32_t &len); 56 int32_t UpdateBinData(uint8_t *data, uint32_t &len); 57 std::unique_ptr<DataWriter> GetDataWriter(const std::string &partition); 58 59 uint32_t UpdateBinHead(uint8_t *data, uint32_t &len); 60 bool AddRemainData(uint8_t *data, uint32_t &len); 61 62 Hpackage::PkgManager::PkgManagerPtr pkgManager_; 63 uint8_t *buffer_ = nullptr; 64 uint32_t maxBufSize_ = 0; 65 uint32_t curlen_ = 0; 66 67 // bin images 68 bool headInit_ = false; 69 std::vector<std::string> componentNames_; 70 uint32_t procCompIndex_ = 0; 71 std::map<BinFlowUpdateStep, std::function<int32_t (uint8_t *, uint32_t &)>> updateBinProcess_; 72 BinFlowUpdateInfo updateInfo_ {}; 73 }; 74 } // Updater 75 #endif /* BIN_FLOW_UPDATE */ 76