1 /*
2  * Copyright (C) 2020 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/hardware/tests/lazy/1.1/ILazy.h>
19 #include <hidl/HidlLazyUtils.h>
20 #include <hidl/HidlTransportSupport.h>
21 
22 using android::OK;
23 using android::hardware::configureRpcThreadpool;
24 using android::hardware::joinRpcThreadpool;
25 using android::hardware::LazyServiceRegistrar;
26 using android::hardware::tests::lazy::V1_1::ILazy;
27 
28 class Lazy : public ILazy {
29   public:
30     ::android::hardware::Return<void> setCustomActiveServicesCallback();
31 };
32 
setCustomActiveServicesCallback()33 ::android::hardware::Return<void> Lazy::setCustomActiveServicesCallback() {
34     auto lazyRegistrar = android::hardware::LazyServiceRegistrar::getInstance();
35     lazyRegistrar.setActiveServicesCallback([lazyRegistrar](bool hasClients) mutable -> bool {
36         if (hasClients) {
37             return false;
38         }
39 
40         // Unregister all services
41         if (!lazyRegistrar.tryUnregister()) {
42             // Prevent shutdown (test will fail)
43             return true;
44         }
45 
46         // Re-register all services
47         lazyRegistrar.reRegister();
48 
49         // Unregister again before shutdown
50         if (!lazyRegistrar.tryUnregister()) {
51             // Prevent shutdown (test will fail)
52             return true;
53         }
54 
55         exit(EXIT_SUCCESS);
56         // Unreachable
57     });
58 
59     return ::android::hardware::Status::ok();
60 }
61 
main()62 int main() {
63     configureRpcThreadpool(1, true /*willJoin*/);
64     CHECK(OK == LazyServiceRegistrar::getInstance().registerService(new Lazy, "default1"));
65     CHECK(OK == LazyServiceRegistrar::getInstance().registerService(new Lazy, "default2"));
66     joinRpcThreadpool();
67     return EXIT_FAILURE;  // should not reach
68 }
69