1 /* 2 * Copyright (C) 2018 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 <android-base/logging.h> 18 #include <android/binder_process.h> 19 #include <iface/iface.h> 20 21 using ::android::sp; 22 23 class MyFoo : public IFoo { 24 binder_status_t doubleNumber(int32_t in, int32_t* out) override { 25 *out = 2 * in; 26 LOG(INFO) << "doubleNumber (" << in << ") => " << *out; 27 return STATUS_OK; 28 } 29 30 binder_status_t die() override { 31 LOG(FATAL) << "IFoo::die called!"; 32 return STATUS_UNKNOWN_ERROR; 33 } 34 }; 35 36 int service(const char* instance) { 37 ABinderProcess_setThreadPoolMaxThreadCount(0); 38 39 // Strong reference to MyFoo kept by service manager. 40 binder_status_t status = (new MyFoo)->addService(instance); 41 42 if (status != STATUS_OK) { 43 LOG(FATAL) << "Could not register: " << status << " " << instance; 44 } 45 46 ABinderProcess_joinThreadPool(); 47 48 return 1; // should not return 49 } 50 51 int main() { 52 if (fork() == 0) { 53 return service(IFoo::kInstanceNameToDieFor); 54 } 55 56 return service(IFoo::kSomeInstanceName); 57 } 58
