1 // 2 // Copyright (C) 2020 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 #include "update_engine/cros/excluder_chromeos.h" 18 19 #include <memory> 20 #include <vector> 21 22 #include <base/logging.h> 23 #include <base/strings/string_piece.h> 24 #include <base/strings/string_number_conversions.h> 25 #include <base/strings/string_split.h> 26 27 #include "update_engine/common/constants.h" 28 #include "update_engine/common/system_state.h" 29 30 using std::string; 31 using std::vector; 32 33 namespace chromeos_update_engine { 34 CreateExcluder()35std::unique_ptr<ExcluderInterface> CreateExcluder() { 36 return std::make_unique<ExcluderChromeOS>(); 37 } 38 Exclude(const string & name)39bool ExcluderChromeOS::Exclude(const string& name) { 40 auto* prefs = SystemState::Get()->prefs(); 41 auto key = prefs->CreateSubKey({kExclusionPrefsSubDir, name}); 42 return prefs->SetString(key, ""); 43 } 44 IsExcluded(const string & name)45bool ExcluderChromeOS::IsExcluded(const string& name) { 46 auto* prefs = SystemState::Get()->prefs(); 47 auto key = prefs->CreateSubKey({kExclusionPrefsSubDir, name}); 48 return prefs->Exists(key); 49 } 50 Reset()51bool ExcluderChromeOS::Reset() { 52 auto* prefs = SystemState::Get()->prefs(); 53 bool ret = true; 54 vector<string> keys; 55 if (!prefs->GetSubKeys(kExclusionPrefsSubDir, &keys)) 56 return false; 57 for (const auto& key : keys) 58 if (!(ret &= prefs->Delete(key))) 59 LOG(ERROR) << "Failed to delete exclusion pref for " << key; 60 return ret; 61 } 62 63 } // namespace chromeos_update_engine 64