1 /* 2 * Copyright (C) 2021 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 <sysexits.h> 18 19 #include <android-base/logging.h> 20 #include <binder/IBinder.h> 21 #include <binder/IPCThreadState.h> 22 #include <binder/IServiceManager.h> 23 #include <binder/ProcessState.h> 24 25 namespace { 26 class Service : public android::BBinder { 27 public: Service(std::string_view descriptor)28 Service(std::string_view descriptor) : mDescriptor(descriptor.data(), descriptor.size()) {} getInterfaceDescriptor() const29 const android::String16& getInterfaceDescriptor() const override { return mDescriptor; } 30 31 private: 32 android::String16 mDescriptor; 33 }; 34 } // namespace 35 main(int argc,char ** argv)36int main(int argc, char** argv) { 37 if (argc != 3) { 38 std::cerr << "usage: " << argv[0] << " <service-name> <interface-descriptor>" << std::endl; 39 return EX_USAGE; 40 } 41 auto name = argv[1]; 42 auto descriptor = argv[2]; 43 44 auto sm = android::defaultServiceManager(); 45 CHECK(sm != nullptr); 46 auto service = android::sp<Service>::make(descriptor); 47 auto status = sm->addService(android::String16(name), service); 48 CHECK_EQ(android::OK, status) << android::statusToString(status); 49 std::cout << "running..." << std::endl; 50 android::ProcessState::self()->startThreadPool(); 51 android::IPCThreadState::self()->joinThreadPool(); 52 LOG(ERROR) << "joinThreadPool exits"; 53 return EX_SOFTWARE; 54 } 55