| /* |
| * Copyright (C) 2020 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. |
| */ |
| |
| #define LOG_TAG "LegacySupport" |
| |
| #include <android/hidl/base/1.0/IBase.h> |
| #include <hidl/HidlSupport.h> |
| #include <hidl/LegacySupport.h> |
| #include <hidl/ServiceManagement.h> |
| #include <hidl/Status.h> |
| |
| using android::hidl::base::V1_0::IBase; |
| |
| namespace android::hardware { |
| |
| namespace details { |
| |
| __attribute__((warn_unused_result)) status_t registerPassthroughServiceImplementation( |
| const std::string& interfaceName, const std::string& expectInterfaceName, |
| RegisterServiceCb registerServiceCb, const std::string& serviceName) { |
| sp<IBase> service = |
| getRawServiceInternal(interfaceName, serviceName, true /*retry*/, true /*getStub*/); |
| |
| if (service == nullptr) { |
| ALOGE("Could not get passthrough implementation for %s/%s.", interfaceName.c_str(), |
| serviceName.c_str()); |
| return EXIT_FAILURE; |
| } |
| if (service->isRemote()) { |
| ALOGE("Implementation of %s/%s is remote!", interfaceName.c_str(), serviceName.c_str()); |
| return EXIT_FAILURE; |
| } |
| |
| std::string actualName; |
| Return<void> result = service->interfaceDescriptor( |
| [&actualName](const hidl_string& descriptor) { actualName = descriptor; }); |
| if (!result.isOk()) { |
| ALOGE("Error retrieving interface name from %s/%s: %s", interfaceName.c_str(), |
| serviceName.c_str(), result.description().c_str()); |
| return EXIT_FAILURE; |
| } |
| if (actualName != expectInterfaceName) { |
| ALOGE("Implementation of %s/%s is actually %s, not a %s!", interfaceName.c_str(), |
| serviceName.c_str(), actualName.c_str(), expectInterfaceName.c_str()); |
| return EXIT_FAILURE; |
| } |
| |
| status_t status = registerServiceCb(service, serviceName); |
| if (status == OK) { |
| ALOGI("Registration complete for %s/%s.", interfaceName.c_str(), serviceName.c_str()); |
| } else { |
| ALOGE("Could not register service %s/%s (%d).", interfaceName.c_str(), serviceName.c_str(), |
| status); |
| } |
| |
| return status; |
| } |
| |
| } // namespace details |
| |
| __attribute__((warn_unused_result)) status_t registerPassthroughServiceImplementation( |
| const std::string& interfaceName, const std::string& expectInterfaceName, |
| const std::string& serviceName) { |
| return details::registerPassthroughServiceImplementation( |
| interfaceName, expectInterfaceName, |
| [](const sp<IBase>& service, const std::string& name) { |
| return details::registerAsServiceInternal(service, name); |
| }, |
| serviceName); |
| } |
| |
| } // namespace android::hardware |