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 #ifndef CPP_WATCHDOG_SERVER_SRC_WATCHDOGINTERNALHANDLER_H_
18 #define CPP_WATCHDOG_SERVER_SRC_WATCHDOGINTERNALHANDLER_H_
19 
20 #include "IoOveruseMonitor.h"
21 #include "WatchdogPerfService.h"
22 #include "WatchdogProcessService.h"
23 #include "WatchdogServiceHelper.h"
24 
25 #include <android/automotive/watchdog/internal/BnCarWatchdog.h>
26 #include <android/automotive/watchdog/internal/ComponentType.h>
27 #include <android/automotive/watchdog/internal/ICarWatchdogMonitor.h>
28 #include <android/automotive/watchdog/internal/ICarWatchdogServiceForSystem.h>
29 #include <android/automotive/watchdog/internal/ResourceOveruseConfiguration.h>
30 #include <android/automotive/watchdog/internal/StateType.h>
31 #include <binder/Status.h>
32 #include <gtest/gtest_prod.h>
33 #include <utils/Errors.h>
34 #include <utils/String16.h>
35 #include <utils/Vector.h>
36 
37 namespace android {
38 namespace automotive {
39 namespace watchdog {
40 
41 class WatchdogBinderMediator;
42 
43 class WatchdogInternalHandler : public android::automotive::watchdog::internal::BnCarWatchdog {
44 public:
WatchdogInternalHandler(const android::sp<WatchdogBinderMediator> & binderMediator,const android::sp<IWatchdogServiceHelper> & watchdogServiceHelper,const android::sp<WatchdogProcessService> & watchdogProcessService,const android::sp<WatchdogPerfServiceInterface> & watchdogPerfService,const android::sp<IIoOveruseMonitor> & ioOveruseMonitor)45     explicit WatchdogInternalHandler(
46             const android::sp<WatchdogBinderMediator>& binderMediator,
47             const android::sp<IWatchdogServiceHelper>& watchdogServiceHelper,
48             const android::sp<WatchdogProcessService>& watchdogProcessService,
49             const android::sp<WatchdogPerfServiceInterface>& watchdogPerfService,
50             const android::sp<IIoOveruseMonitor>& ioOveruseMonitor) :
51           mBinderMediator(binderMediator),
52           mWatchdogServiceHelper(watchdogServiceHelper),
53           mWatchdogProcessService(watchdogProcessService),
54           mWatchdogPerfService(watchdogPerfService),
55           mIoOveruseMonitor(ioOveruseMonitor) {}
~WatchdogInternalHandler()56     ~WatchdogInternalHandler() { terminate(); }
57 
58     status_t dump(int fd, const Vector<android::String16>& args) override;
59     android::binder::Status registerCarWatchdogService(
60             const android::sp<
61                     android::automotive::watchdog::internal::ICarWatchdogServiceForSystem>& service)
62             override;
63     android::binder::Status unregisterCarWatchdogService(
64             const android::sp<
65                     android::automotive::watchdog::internal::ICarWatchdogServiceForSystem>& service)
66             override;
67     android::binder::Status registerMonitor(
68             const android::sp<android::automotive::watchdog::internal::ICarWatchdogMonitor>&
69                     monitor) override;
70     android::binder::Status unregisterMonitor(
71             const android::sp<android::automotive::watchdog::internal::ICarWatchdogMonitor>&
72                     monitor) override;
73     android::binder::Status tellCarWatchdogServiceAlive(
74             const android::sp<
75                     android::automotive::watchdog::internal::ICarWatchdogServiceForSystem>& service,
76             const std::vector<int32_t>& clientsNotResponding, int32_t sessionId) override;
77     android::binder::Status tellDumpFinished(
78             const android::sp<android::automotive::watchdog::internal::ICarWatchdogMonitor>&
79                     monitor,
80             int32_t pid) override;
81     android::binder::Status notifySystemStateChange(
82             android::automotive::watchdog::internal::StateType type, int32_t arg1,
83             int32_t arg2) override;
84     android::binder::Status updateResourceOveruseConfigurations(
85             const std::vector<
86                     android::automotive::watchdog::internal::ResourceOveruseConfiguration>& configs)
87             override;
88     android::binder::Status getResourceOveruseConfigurations(
89             std::vector<android::automotive::watchdog::internal::ResourceOveruseConfiguration>*
90                     configs) override;
91     android::binder::Status controlProcessHealthCheck(bool disable) override;
92 
93 protected:
terminate()94     void terminate() {
95         mBinderMediator.clear();
96         mWatchdogServiceHelper.clear();
97         mWatchdogProcessService.clear();
98         mWatchdogPerfService.clear();
99         mIoOveruseMonitor.clear();
100     }
101 
102 private:
103     void checkAndRegisterIoOveruseMonitor();
104 
105     android::binder::Status handlePowerCycleChange(
106             android::automotive::watchdog::internal::PowerCycle powerCycle);
107 
108     android::binder::Status handleUserStateChange(
109             userid_t userId, android::automotive::watchdog::internal::UserState userState);
110 
111     android::sp<WatchdogBinderMediator> mBinderMediator;
112     android::sp<IWatchdogServiceHelper> mWatchdogServiceHelper;
113     android::sp<WatchdogProcessService> mWatchdogProcessService;
114     android::sp<WatchdogPerfServiceInterface> mWatchdogPerfService;
115     android::sp<IIoOveruseMonitor> mIoOveruseMonitor;
116 
117     friend class WatchdogBinderMediator;
118 
119     FRIEND_TEST(WatchdogInternalHandlerTest, TestTerminate);
120 };
121 
122 }  // namespace watchdog
123 }  // namespace automotive
124 }  // namespace android
125 
126 #endif  // CPP_WATCHDOG_SERVER_SRC_WATCHDOGINTERNALHANDLER_H_
127