1 /*
2  * Copyright (C) 2022 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 <aidl/android/hardware/cas/BnCas.h>
18 #include <aidl/android/hardware/cas/ICasListener.h>
19 #include <media/stagefright/foundation/ABase.h>
20 
21 namespace aidl {
22 namespace android {
23 namespace hardware {
24 namespace cas {
25 
26 using namespace ::android;
27 using namespace std;
28 using ndk::ScopedAStatus;
29 
30 class CasImpl : public BnCas {
31   public:
32     CasImpl(const shared_ptr<ICasListener>& listener);
33     virtual ~CasImpl();
34 
35     static void OnEvent(void* appData, int32_t event, int32_t arg, uint8_t* data, size_t size);
36 
37     static void CallBackExt(void* appData, int32_t event, int32_t arg, uint8_t* data, size_t size,
38                             const CasSessionId* sessionId);
39 
40     static void StatusUpdate(void* appData, int32_t event, int32_t arg);
41 
42     void init(CasPlugin* plugin);
43     void onEvent(int32_t event, int32_t arg, uint8_t* data, size_t size);
44 
45     void onEvent(const CasSessionId* sessionId, int32_t event, int32_t arg, uint8_t* data,
46                  size_t size);
47 
48     void onStatusUpdate(int32_t event, int32_t arg);
49 
50     // ICas inherits
51 
52     ScopedAStatus setPluginStatusUpdateCallback();
53 
54     virtual ScopedAStatus setPrivateData(const vector<uint8_t>& pvtData) override;
55 
56     virtual ScopedAStatus openSessionDefault(vector<uint8_t>* sessionId) override;
57 
58     virtual ScopedAStatus openSession(SessionIntent intent, ScramblingMode mode,
59                                       vector<uint8_t>* sessionId) override;
60 
61     virtual ScopedAStatus closeSession(const vector<uint8_t>& sessionId) override;
62 
63     virtual ScopedAStatus setSessionPrivateData(const vector<uint8_t>& sessionId,
64                                                 const vector<uint8_t>& pvtData) override;
65 
66     virtual ScopedAStatus processEcm(const vector<uint8_t>& sessionId,
67                                      const vector<uint8_t>& ecm) override;
68 
69     virtual ScopedAStatus processEmm(const vector<uint8_t>& emm) override;
70 
71     virtual ScopedAStatus sendEvent(int32_t event, int32_t arg,
72                                     const vector<uint8_t>& eventData) override;
73 
74     virtual ScopedAStatus sendSessionEvent(const vector<uint8_t>& sessionId, int32_t event,
75                                            int32_t arg, const vector<uint8_t>& eventData) override;
76 
77     virtual ScopedAStatus provision(const string& provisionString) override;
78 
79     virtual ScopedAStatus refreshEntitlements(int32_t refreshType,
80                                               const vector<uint8_t>& refreshData) override;
81 
82     virtual ScopedAStatus release() override;
83 
84   private:
85     struct PluginHolder;
86     shared_ptr<CasPlugin> mPluginHolder;
87     shared_ptr<ICasListener> mListener;
88 
89     DISALLOW_EVIL_CONSTRUCTORS(CasImpl);
90 };
91 
92 }  // namespace cas
93 }  // namespace hardware
94 }  // namespace android
95 }  // namespace aidl
96