1791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang/* 2791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang * Copyright (C) 2017 The Android Open Source Project 3791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang * 4791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang * Licensed under the Apache License, Version 2.0 (the "License"); 5791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang * you may not use this file except in compliance with the License. 6791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang * You may obtain a copy of the License at 7791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang * 8791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang * http://www.apache.org/licenses/LICENSE-2.0 9791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang * 10791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang * Unless required by applicable law or agreed to in writing, software 11791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang * distributed under the License is distributed on an "AS IS" BASIS, 12791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang * See the License for the specific language governing permissions and 14791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang * limitations under the License. 15791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang */ 16791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang 17791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang//#define LOG_NDEBUG 0 18791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang#define LOG_TAG "ClearKeySessionLibrary" 19791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang#include <utils/Log.h> 20791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang 21791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang#include <media/stagefright/foundation/ABuffer.h> 22791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang#include <media/stagefright/foundation/ADebug.h> 23791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang 24791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang#include "ClearKeySessionLibrary.h" 25791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang 26791a1a206b56be8601a6fffd2614926e67d64790Chong Zhangnamespace android { 27791a1a206b56be8601a6fffd2614926e67d64790Chong Zhangnamespace clearkeycas { 28791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang 29791a1a206b56be8601a6fffd2614926e67d64790Chong ZhangMutex ClearKeySessionLibrary::sSingletonLock; 30791a1a206b56be8601a6fffd2614926e67d64790Chong ZhangClearKeySessionLibrary* ClearKeySessionLibrary::sSingleton = NULL; 31791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang 32a78c1cc9773532b1f9d066ed8fa0d9414c1bb8bbChong ZhangClearKeyCasSession::ClearKeyCasSession(CasPlugin *plugin) 33a78c1cc9773532b1f9d066ed8fa0d9414c1bb8bbChong Zhang : mPlugin(plugin) { 34791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang mKeyInfo[0].valid = mKeyInfo[1].valid = false; 35791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang} 36791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang 37791a1a206b56be8601a6fffd2614926e67d64790Chong ZhangClearKeyCasSession::~ClearKeyCasSession() { 38791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang} 39791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang 40791a1a206b56be8601a6fffd2614926e67d64790Chong ZhangClearKeySessionLibrary* ClearKeySessionLibrary::get() { 41791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang Mutex::Autolock lock(sSingletonLock); 42791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang 43791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang if (sSingleton == NULL) { 44791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang ALOGV("Instantiating Session Library Singleton."); 45791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang sSingleton = new ClearKeySessionLibrary(); 46791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang } 47791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang 48791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang return sSingleton; 49791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang} 50791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang 51791a1a206b56be8601a6fffd2614926e67d64790Chong ZhangClearKeySessionLibrary::ClearKeySessionLibrary() : mNextSessionId(1) {} 52791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang 53791a1a206b56be8601a6fffd2614926e67d64790Chong Zhangstatus_t ClearKeySessionLibrary::addSession( 54a78c1cc9773532b1f9d066ed8fa0d9414c1bb8bbChong Zhang CasPlugin *plugin, CasSessionId *sessionId) { 55791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang CHECK(sessionId); 56791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang 57791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang Mutex::Autolock lock(mSessionsLock); 58791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang 59a78c1cc9773532b1f9d066ed8fa0d9414c1bb8bbChong Zhang sp<ClearKeyCasSession> session = new ClearKeyCasSession(plugin); 60791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang 61791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang uint8_t *byteArray = (uint8_t *) &mNextSessionId; 62791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang sessionId->push_back(byteArray[3]); 63791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang sessionId->push_back(byteArray[2]); 64791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang sessionId->push_back(byteArray[1]); 65791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang sessionId->push_back(byteArray[0]); 66791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang mNextSessionId++; 67791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang 68791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang mIDToSessionMap.add(*sessionId, session); 69791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang return OK; 70791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang} 71791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang 72791a1a206b56be8601a6fffd2614926e67d64790Chong Zhangsp<ClearKeyCasSession> ClearKeySessionLibrary::findSession( 73791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang const CasSessionId& sessionId) { 74791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang Mutex::Autolock lock(mSessionsLock); 75791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang 76791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang ssize_t index = mIDToSessionMap.indexOfKey(sessionId); 77791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang if (index < 0) { 78791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang return NULL; 79791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang } 80791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang return mIDToSessionMap.valueFor(sessionId); 81791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang} 82791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang 83791a1a206b56be8601a6fffd2614926e67d64790Chong Zhangvoid ClearKeySessionLibrary::destroySession(const CasSessionId& sessionId) { 84791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang Mutex::Autolock lock(mSessionsLock); 85791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang 86791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang ssize_t index = mIDToSessionMap.indexOfKey(sessionId); 87791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang if (index < 0) { 88791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang return; 89791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang } 90791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang 91791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang sp<ClearKeyCasSession> session = mIDToSessionMap.valueAt(index); 92791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang mIDToSessionMap.removeItemsAt(index); 93791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang} 94791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang 95791a1a206b56be8601a6fffd2614926e67d64790Chong Zhangvoid ClearKeySessionLibrary::destroyPlugin(CasPlugin *plugin) { 96791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang Mutex::Autolock lock(mSessionsLock); 97791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang 985593d3a8ad8514d85e3c7398a3bab7eff53152ddIvan Lozano for (ssize_t index = (ssize_t)mIDToSessionMap.size() - 1; index >= 0; index--) { 99a78c1cc9773532b1f9d066ed8fa0d9414c1bb8bbChong Zhang sp<ClearKeyCasSession> session = mIDToSessionMap.valueAt(index); 100a78c1cc9773532b1f9d066ed8fa0d9414c1bb8bbChong Zhang if (session->getPlugin() == plugin) { 101a78c1cc9773532b1f9d066ed8fa0d9414c1bb8bbChong Zhang mIDToSessionMap.removeItemsAt(index); 102791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang } 103791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang } 104791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang} 105791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang 106791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang} // namespace clearkeycas 107791a1a206b56be8601a6fffd2614926e67d64790Chong Zhang} // namespace android 108