1 /*
2  * Copyright (C) 2014 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 CLEARKEY_SESSION_LIBRARY_H_
18 #define CLEARKEY_SESSION_LIBRARY_H_
19 
20 #include <utils/KeyedVector.h>
21 #include <utils/Mutex.h>
22 #include <utils/StrongPointer.h>
23 #include <utils/Vector.h>
24 
25 #include "Session.h"
26 #include "Utils.h"
27 
28 namespace clearkeydrm {
29 
30 class SessionLibrary {
31 public:
32     static SessionLibrary* get();
33 
34     const android::sp<Session>& createSession();
35 
36     const android::sp<Session>& findSession(
37             const android::Vector<uint8_t>& sessionId);
38 
39     void destroySession(const android::sp<Session>& session);
40 
41 private:
42     DISALLOW_EVIL_CONSTRUCTORS(SessionLibrary);
43 
SessionLibrary()44     SessionLibrary() : mNextSessionId(1) {}
45 
46     static android::Mutex sSingletonLock;
47     static SessionLibrary* sSingleton;
48 
49     android::Mutex mSessionsLock;
50     uint32_t mNextSessionId;
51     android::DefaultKeyedVector<android::Vector<uint8_t>, android::sp<Session> >
52             mSessions;
53 };
54 
55 } // namespace clearkeydrm
56 
57 #endif // CLEARKEY_SESSION_LIBRARY_H_
58