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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef DRM_SESSION_MANAGER_H_
#define DRM_SESSION_MANAGER_H_
#include <aidl/android/media/IResourceManagerClient.h>
#include <aidl/android/media/IResourceManagerService.h>
#include <android/binder_auto_utils.h>
#include <media/stagefright/foundation/ABase.h>
#include <utils/RefBase.h>
#include <utils/KeyedVector.h>
#include <utils/threads.h>
#include <utils/Vector.h>
#include <map>
#include <memory>
#include <utility>
#include <vector>
namespace android {
class DrmSessionManagerTest;
using aidl::android::media::IResourceManagerClient;
using aidl::android::media::IResourceManagerService;
bool isEqualSessionId(const Vector<uint8_t> &sessionId1, const Vector<uint8_t> &sessionId2);
struct SessionInfo {
pid_t pid;
uid_t uid;
int64_t clientId;
};
typedef std::map<std::vector<uint8_t>, SessionInfo> SessionInfoMap;
struct DrmSessionManager : public RefBase {
static sp<DrmSessionManager> Instance();
DrmSessionManager();
explicit DrmSessionManager(const std::shared_ptr<IResourceManagerService> &service);
void addSession(int pid,
const std::shared_ptr<IResourceManagerClient>& drm,
const Vector<uint8_t>& sessionId);
void useSession(const Vector<uint8_t>& sessionId);
void removeSession(const Vector<uint8_t>& sessionId);
bool reclaimSession(int callingPid);
// inspection APIs
size_t getSessionCount() const;
bool containsSession(const Vector<uint8_t>& sessionId) const;
// implements DeathRecipient
void binderDied();
protected:
virtual ~DrmSessionManager();
private:
void init();
std::shared_ptr<IResourceManagerService> mService;
mutable Mutex mLock;
SessionInfoMap mSessionMap;
bool mInitialized;
::ndk::ScopedAIBinder_DeathRecipient mDeathRecipient;
DISALLOW_EVIL_CONSTRUCTORS(DrmSessionManager);
};
} // namespace android
#endif // DRM_SESSION_MANAGER_H_