1 /*
2  * Copyright (c) 2021, 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_TELEMETRY_CARTELEMETRYD_SRC_CARTELEMETRYINTERNALIMPL_H_
18 #define CPP_TELEMETRY_CARTELEMETRYD_SRC_CARTELEMETRYINTERNALIMPL_H_
19 
20 #include "TelemetryServer.h"
21 
22 #include <aidl/android/automotive/telemetry/internal/BnCarTelemetryInternal.h>
23 #include <aidl/android/automotive/telemetry/internal/CarDataInternal.h>
24 #include <aidl/android/automotive/telemetry/internal/ICarDataListener.h>
25 #include <android/binder_status.h>
26 #include <utils/Mutex.h>
27 #include <utils/String16.h>
28 #include <utils/Vector.h>
29 
30 namespace android {
31 namespace automotive {
32 namespace telemetry {
33 
34 // Implementation of android.automotive.telemetry.ICarTelemetryInternal.
35 class CarTelemetryInternalImpl :
36       public aidl::android::automotive::telemetry::internal::BnCarTelemetryInternal {
37 public:
38     // Doesn't own `server`.
39     explicit CarTelemetryInternalImpl(TelemetryServer* server);
40 
41     ndk::ScopedAStatus setListener(
42             const std::shared_ptr<aidl::android::automotive::telemetry::internal::ICarDataListener>&
43                     listener) override;
44 
45     ndk::ScopedAStatus clearListener() override;
46 
47     ndk::ScopedAStatus addCarDataIds(const std::vector<int32_t>& ids) override;
48 
49     ndk::ScopedAStatus removeCarDataIds(const std::vector<int32_t>& ids) override;
50 
51     binder_status_t dump(int fd, const char** args, uint32_t numArgs) override;
52 
53 private:
54     // Death recipient callback that is called when ICarDataListener dies.
55     // The cookie is a pointer to a CarTelemetryInternalImpl object.
56     static void listenerBinderDied(void* cookie);
57 
58     void listenerBinderDiedImpl();
59 
60     TelemetryServer* mTelemetryServer;  // not owned
61     ndk::ScopedAIBinder_DeathRecipient mBinderDeathRecipient;
62 };
63 
64 }  // namespace telemetry
65 }  // namespace automotive
66 }  // namespace android
67 
68 #endif  // CPP_TELEMETRY_CARTELEMETRYD_SRC_CARTELEMETRYINTERNALIMPL_H_
69