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