| /* |
| * Copyright (C) 2018 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. |
| */ |
| |
| //#define LOG_NDEBUG 0 |
| #define LOG_TAG "hidl_ClearKeySessionLibrary" |
| #include <utils/Log.h> |
| |
| #include "SessionLibrary.h" |
| #include "Utils.h" |
| |
| namespace android { |
| namespace hardware { |
| namespace drm { |
| namespace V1_1 { |
| namespace clearkey { |
| |
| using ::android::hardware::hidl_string; |
| using ::android::hardware::hidl_vec; |
| using ::android::sp; |
| |
| Mutex SessionLibrary::sSingletonLock; |
| SessionLibrary* SessionLibrary::sSingleton = NULL; |
| |
| SessionLibrary* SessionLibrary::get() { |
| Mutex::Autolock lock(sSingletonLock); |
| |
| if (sSingleton == NULL) { |
| ALOGD("Instantiating Session Library Singleton."); |
| sSingleton = new SessionLibrary(); |
| } |
| |
| return sSingleton; |
| } |
| |
| sp<Session> SessionLibrary::createSession() { |
| Mutex::Autolock lock(mSessionsLock); |
| |
| char sessionIdRaw[16]; |
| snprintf(sessionIdRaw, sizeof(sessionIdRaw), "%u", mNextSessionId); |
| |
| mNextSessionId += 1; |
| |
| std::vector<uint8_t> sessionId; |
| sessionId.insert(sessionId.end(), sessionIdRaw, |
| sessionIdRaw + sizeof(sessionIdRaw) / sizeof(uint8_t)); |
| |
| mSessions.insert(std::pair<std::vector<uint8_t>, |
| sp<Session> >(sessionId, new Session(sessionId))); |
| std::map<std::vector<uint8_t>, sp<Session> >::iterator itr = mSessions.find(sessionId); |
| if (itr != mSessions.end()) { |
| return itr->second; |
| } else { |
| return nullptr; |
| } |
| } |
| |
| sp<Session> SessionLibrary::findSession( |
| const std::vector<uint8_t>& sessionId) { |
| Mutex::Autolock lock(mSessionsLock); |
| std::map<std::vector<uint8_t>, sp<Session> >::iterator itr = mSessions.find(sessionId); |
| if (itr != mSessions.end()) { |
| return itr->second; |
| } else { |
| return nullptr; |
| } |
| } |
| |
| void SessionLibrary::destroySession(const sp<Session>& session) { |
| Mutex::Autolock lock(mSessionsLock); |
| mSessions.erase(session->sessionId()); |
| } |
| |
| } // namespace clearkey |
| } // namespace V1_1 |
| } // namespace drm |
| } // namespace hardware |
| } // namespace android |