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 #define LOG_TAG "EvsManager" 18 19 #include <unistd.h> 20 21 #include <hidl/HidlTransportSupport.h> 22 #include <utils/Errors.h> 23 #include <utils/StrongPointer.h> 24 #include <utils/Log.h> 25 26 #include "ServiceNames.h" 27 #include "Enumerator.h" 28 29 30 // libhidl: 31 using android::hardware::configureRpcThreadpool; 32 using android::hardware::joinRpcThreadpool; 33 34 // Generated HIDL files 35 using android::hardware::automotive::evs::V1_0::IEvsEnumerator; 36 using android::hardware::automotive::evs::V1_0::IEvsDisplay; 37 38 // The namespace in which all our implementation code lives 39 using namespace android::automotive::evs::V1_0::implementation; 40 using namespace android; 41 42 43 int main() { 44 // Prepare the RPC serving thread pool. We're configuring it with no additional 45 // threads beyond the main thread which will "join" the pool below. 46 configureRpcThreadpool(1, true /* callerWillJoin */); 47 48 ALOGI("EVS managed service connecting to hardware at %s", kHardwareEnumeratorName); 49 android::sp<Enumerator> service = new Enumerator(); 50 if (!service->init(kHardwareEnumeratorName)) { 51 ALOGE("Failed to initialize"); 52 return 1; 53 } 54 55 // Register our service -- if somebody is already registered by our name, 56 // they will be killed (their thread pool will throw an exception). 57 ALOGI("EVS managed service is starting as %s", kManagedEnumeratorName); 58 status_t status = service->registerAsService(kManagedEnumeratorName); 59 if (status == OK) { 60 ALOGD("Registration complete"); 61 62 // Send this main thread to become a permanent part of the thread pool. 63 // This is not expected to return. 64 joinRpcThreadpool(); 65 } else { 66 ALOGE("Could not register service %s (%d).", kManagedEnumeratorName, status); 67 } 68 69 // In normal operation, we don't expect the thread pool to exit 70 ALOGE("EVS Hardware Enumerator is shutting down"); 71 return 1; 72 } 73
