Songchun Fan | 3c82a30 | 2019-11-29 14:23:45 -0800 | [diff] [blame] | 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 | #include "ServiceWrappers.h" |
| 18 | |
| 19 | #include <android-base/strings.h> |
| 20 | #include <android-base/unique_fd.h> |
| 21 | #include <binder/IServiceManager.h> |
| 22 | #include <utils/String16.h> |
| 23 | |
| 24 | #include <string> |
| 25 | #include <string_view> |
| 26 | |
| 27 | using namespace std::literals; |
| 28 | |
| 29 | namespace android::os::incremental { |
| 30 | |
| 31 | static constexpr auto kVoldServiceName = "vold"sv; |
| 32 | static constexpr auto kIncrementalManagerName = "incremental"sv; |
| 33 | |
| 34 | RealServiceManager::RealServiceManager(const sp<IServiceManager>& serviceManager) |
| 35 | : mServiceManager(serviceManager) {} |
| 36 | |
| 37 | template <class INTERFACE> |
| 38 | sp<INTERFACE> RealServiceManager::getRealService(std::string_view serviceName) const { |
| 39 | sp<IBinder> binder = mServiceManager->getService(String16(serviceName.data())); |
| 40 | if (binder == 0) { |
| 41 | return 0; |
| 42 | } |
| 43 | return interface_cast<INTERFACE>(binder); |
| 44 | } |
| 45 | |
| 46 | std::shared_ptr<VoldServiceWrapper> RealServiceManager::getVoldService() const { |
| 47 | sp<os::IVold> vold = RealServiceManager::getRealService<os::IVold>(kVoldServiceName); |
| 48 | if (vold != 0) { |
| 49 | return std::make_shared<RealVoldService>(vold); |
| 50 | } |
| 51 | return nullptr; |
| 52 | } |
| 53 | |
| 54 | std::shared_ptr<IncrementalManagerWrapper> RealServiceManager::getIncrementalManager() const { |
| 55 | sp<IIncrementalManager> manager = |
| 56 | RealServiceManager::getRealService<IIncrementalManager>(kIncrementalManagerName); |
| 57 | if (manager != 0) { |
| 58 | return std::make_shared<RealIncrementalManager>(manager); |
| 59 | } |
| 60 | return nullptr; |
| 61 | } |
| 62 | |
| 63 | std::shared_ptr<IncFsWrapper> RealServiceManager::getIncFs() const { |
| 64 | return std::make_shared<RealIncFs>(); |
| 65 | } |
| 66 | |
| 67 | } // namespace android::os::incremental |