1 /*
2  * Copyright (C) 2019 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 "EvsDisplay.h"
18 #include "EvsEnumerator.h"
19 #include "ServiceNames.h"
20 
21 #include <hidl/HidlTransportSupport.h>
22 #include <log/log.h>
23 #include <utils/Errors.h>
24 #include <utils/StrongPointer.h>
25 
26 #include <unistd.h>
27 
28 using android::frameworks::automotive::display::V1_0::IAutomotiveDisplayProxyService;
29 using android::hardware::configureRpcThreadpool;
30 using android::hardware::joinRpcThreadpool;
31 using android::hardware::automotive::evs::V1_0::DisplayState;
32 using android::hardware::automotive::evs::V1_1::IEvsEnumerator;
33 using android::hardware::automotive::evs::V1_1::implementation::EvsEnumerator;
34 
main()35 int main() {
36     ALOGI("EVS Hardware Enumerator service is starting");
37 
38     android::sp<IAutomotiveDisplayProxyService> carWindowService =
39             IAutomotiveDisplayProxyService::getService("default");
40     if (carWindowService == nullptr) {
41         ALOGE("Cannot use AutomotiveDisplayProxyService.  Exiting.");
42         return EXIT_FAILURE;
43     }
44 
45     android::sp<IEvsEnumerator> service = new EvsEnumerator(carWindowService);
46 
47     configureRpcThreadpool(1, true /* callerWillJoin */);
48 
49     // Register our service -- if somebody is already registered by our name,
50     // they will be killed (their thread pool will throw an exception).
51     auto status = service->registerAsService(kEnumeratorServiceName);
52     if (status == android::OK) {
53         ALOGD("%s is ready.", kEnumeratorServiceName);
54         joinRpcThreadpool();
55     } else {
56         ALOGE("Could not register service %s (%d).", kEnumeratorServiceName, status);
57     }
58 
59     // In normal operation, we don't expect the thread pool to exit
60     ALOGE("EVS Hardware Enumerator is shutting down");
61     return EXIT_SUCCESS;
62 }
63