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/*
* 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
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