diff options
Diffstat (limited to 'drm/mediadrm/plugins/clearkey/SessionLibrary.cpp')
-rw-r--r-- | drm/mediadrm/plugins/clearkey/SessionLibrary.cpp | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/drm/mediadrm/plugins/clearkey/SessionLibrary.cpp b/drm/mediadrm/plugins/clearkey/SessionLibrary.cpp new file mode 100644 index 0000000..d047c53 --- /dev/null +++ b/drm/mediadrm/plugins/clearkey/SessionLibrary.cpp @@ -0,0 +1,78 @@ +/* + * Copyright (C) 2014 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 "ClearKeyCryptoPlugin" +#include <utils/Log.h> + +#include <utils/String8.h> + +#include "SessionLibrary.h" + +namespace clearkeydrm { + +using android::Mutex; +using android::sp; +using android::String8; +using android::Vector; + +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; +} + +const sp<Session>& SessionLibrary::createSession() { + Mutex::Autolock lock(mSessionsLock); + + String8 sessionIdString = String8::format("%u", mNextSessionId); + mNextSessionId += 1; + Vector<uint8_t> sessionId; + sessionId.appendArray( + reinterpret_cast<const uint8_t*>(sessionIdString.string()), + sessionIdString.size()); + + mSessions.add(sessionId, new Session(sessionId)); + return mSessions.valueFor(sessionId); +} + +const sp<Session>& SessionLibrary::findSession( + const Vector<uint8_t>& sessionId) { + Mutex::Autolock lock(mSessionsLock); + return mSessions.valueFor(sessionId); +} + +const sp<Session>& SessionLibrary::findSession( + const void* data, size_t size) { + Vector<uint8_t> sessionId; + sessionId.appendArray(reinterpret_cast<const uint8_t*>(data), size); + return findSession(sessionId); +} + +void SessionLibrary::destroySession(const sp<Session>& session) { + Mutex::Autolock lock(mSessionsLock);\ + mSessions.removeItem(session->sessionId()); +} + +} // namespace clearkeydrm |