LegacySupport.h revision d403ab31f267d3bf9c7d0c61694b8a2c461b7333
1/* 2 * Copyright (C) 2016 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 <hidl/HidlTransportSupport.h> 18#include <sys/wait.h> 19#include <utils/Log.h> 20#include <utils/Errors.h> 21#include <utils/StrongPointer.h> 22 23#ifndef ANDROID_HIDL_LEGACY_SUPPORT_H 24#define ANDROID_HIDL_LEGACY_SUPPORT_H 25 26namespace android { 27namespace hardware { 28 29/** 30 * Registers passthrough service implementation. 31 */ 32template<class Interface> 33status_t registerPassthroughServiceImplementation( 34 std::string name = "default") { 35 sp<Interface> service = Interface::getService(name, true /* getStub */); 36 37 if (service == nullptr) { 38 ALOGE("Could not get passthrough implementation for %s.", name.c_str()); 39 return EXIT_FAILURE; 40 } 41 42 LOG_FATAL_IF(service->isRemote(), "Implementation of %s is remote!", name.c_str()); 43 44 status_t status = service->registerAsService(name); 45 46 if (status == OK) { 47 ALOGI("Registration complete for %s.", name.c_str()); 48 } else { 49 ALOGE("Could not register service %s (%d).", name.c_str(), status); 50 } 51 52 return status; 53} 54 55/** 56 * Creates default passthrough service implementation. This method never returns. 57 * 58 * Return value is exit status. 59 */ 60template<class Interface> 61int defaultPassthroughServiceImplementation(std::string name = "default", 62 size_t maxThreads = 1) { 63 configureRpcThreadpool(maxThreads, true); 64 registerPassthroughServiceImplementation<Interface>(name); 65 joinRpcThreadpool(); 66 return 0; 67} 68 69} // namespace hardware 70} // namespace android 71 72#endif // ANDROID_HIDL_LEGACY_SUPPORT_H 73