79 lines
2.3 KiB
C++
79 lines
2.3 KiB
C++
/*
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* Copyright (C) 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "clearkey-SessionLibrary"
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#include <utils/Log.h>
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#include "SessionLibrary.h"
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namespace clearkeydrm {
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using ::android::Mutex;
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using ::android::sp;
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Mutex SessionLibrary::sSingletonLock;
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SessionLibrary* SessionLibrary::sSingleton = NULL;
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SessionLibrary* SessionLibrary::get() {
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Mutex::Autolock lock(sSingletonLock);
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if (sSingleton == NULL) {
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ALOGD("Instantiating Session Library Singleton.");
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sSingleton = new SessionLibrary();
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}
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return sSingleton;
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}
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sp<Session> SessionLibrary::createSession() {
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Mutex::Autolock lock(mSessionsLock);
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char sessionIdRaw[16];
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snprintf(sessionIdRaw, sizeof(sessionIdRaw), "%u", mNextSessionId);
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mNextSessionId += 1;
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std::vector<uint8_t> sessionId;
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sessionId.insert(sessionId.end(), sessionIdRaw,
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sessionIdRaw + sizeof(sessionIdRaw) / sizeof(uint8_t));
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mSessions.insert(
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std::pair<std::vector<uint8_t>, sp<Session>>(sessionId, new Session(sessionId)));
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std::map<std::vector<uint8_t>, sp<Session>>::iterator itr = mSessions.find(sessionId);
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if (itr != mSessions.end()) {
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return itr->second;
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} else {
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return nullptr;
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}
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}
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sp<Session> SessionLibrary::findSession(const std::vector<uint8_t>& sessionId) {
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Mutex::Autolock lock(mSessionsLock);
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std::map<std::vector<uint8_t>, sp<Session>>::iterator itr = mSessions.find(sessionId);
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if (itr != mSessions.end()) {
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return itr->second;
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} else {
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return nullptr;
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}
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}
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void SessionLibrary::destroySession(const sp<Session>& session) {
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Mutex::Autolock lock(mSessionsLock);
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mSessions.erase(session->sessionId());
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}
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} // namespace clearkeydrm
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