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/**
* Copyright (C) 2022 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.
*/
package com.android.telephony.imsmedia;
import android.app.Service;
import android.content.Intent;
import android.os.IBinder;
import android.os.Parcel;
import android.os.ParcelFileDescriptor;
import android.support.annotation.GuardedBy;
import android.telephony.imsmedia.IImsAudioSession;
import android.telephony.imsmedia.IImsAudioSessionCallback;
import android.telephony.imsmedia.IImsMedia;
import android.telephony.imsmedia.IImsMediaCallback;
import android.telephony.imsmedia.IImsTextSession;
import android.telephony.imsmedia.IImsTextSessionCallback;
import android.telephony.imsmedia.IImsVideoSession;
import android.telephony.imsmedia.IImsVideoSessionCallback;
import android.telephony.imsmedia.ImsMediaSession;
import android.telephony.imsmedia.RtpConfig;
import android.telephony.imsmedia.VideoConfig;
import android.util.Log;
import android.util.SparseArray;
import com.android.telephony.imsmedia.Utils.OpenSessionParams;
import java.util.concurrent.atomic.AtomicInteger;
/** Controller that maintains all IMS Media sessions */
public class ImsMediaController extends Service {
private static final String TAG = "ImsMediaController";
private AtomicInteger mSessionId = new AtomicInteger();
private OpenSessionCallback mCallback = new OpenSessionCallback();
@GuardedBy("mSessions")
private final SparseArray<IMediaSession> mSessions = new SparseArray();
private class ImsMediaBinder extends IImsMedia.Stub {
// TODO add permission checks
@Override
public void openSession(
final ParcelFileDescriptor rtpFd, final ParcelFileDescriptor rtcpFd,
final int sessionType, final RtpConfig rtpConfig, final IBinder callback) {
final int sessionId = mSessionId.getAndIncrement();
IMediaSession session;
Log.d(TAG, "openSession: sessionId = " + sessionId
+ ", type=" + sessionType + "," + rtpConfig);
synchronized (mSessions) {
switch (sessionType) {
case ImsMediaSession.SESSION_TYPE_AUDIO:
session = new AudioSession(sessionId,
IImsAudioSessionCallback.Stub.asInterface(callback));
break;
case ImsMediaSession.SESSION_TYPE_VIDEO:
JNIImsMediaService.setAssetManager(ImsMediaController.this.getAssets());
session = new VideoSession(sessionId,
IImsVideoSessionCallback.Stub.asInterface(callback));
break;
case ImsMediaSession.SESSION_TYPE_RTT:
session = new TextSession(sessionId,
IImsTextSessionCallback.Stub.asInterface(callback));
break;
default:
session = null;
}
if (session != null) {
mSessions.append(sessionId, session);
session.openSession(new OpenSessionParams(rtpFd, rtcpFd, rtpConfig,
mCallback));
}
}
}
@Override
public void closeSession(IBinder session) {
Log.d(TAG, "closeSession: " + session);
synchronized (mSessions) {
if (session instanceof AudioSession) {
final AudioSession audioSession =
(AudioSession) IImsAudioSession.Stub.asInterface(session);
audioSession.closeSession();
} else if (session instanceof VideoSession) {
final VideoSession videoSession =
(VideoSession) IImsVideoSession.Stub.asInterface(session);
videoSession.closeSession();
} else if (session instanceof TextSession) {
final TextSession textSession =
(TextSession) IImsTextSession.Stub.asInterface(session);
textSession.closeSession();
}
}
}
@Override
public void generateVideoSprop(VideoConfig[] videoConfigList, IBinder callback) {
if (videoConfigList == null || callback == null) {
Log.d(TAG, "[SPROP] Invalid params");
return;
}
try {
int len = videoConfigList.length;
String[] spropList = new String[len];
int idx = 0;
for (VideoConfig config : videoConfigList) {
Parcel parcel = Parcel.obtain();
config.writeToParcel(parcel, 0);
parcel.setDataPosition(0);
spropList[idx] = JNIImsMediaService.generateSprop(parcel.marshall());
parcel.recycle();
idx++;
}
IImsMediaCallback.Stub.asInterface(callback).onVideoSpropResponse(spropList);
} catch (Exception e) {
Log.e(TAG, "[SPROP] Error: " + e.toString());
}
}
}
private IImsMedia.Stub mImsMediaBinder = new ImsMediaBinder();
@Override
public IBinder onBind(Intent intent) {
Log.d(TAG, Thread.currentThread().getName() + " onBind");
return mImsMediaBinder;
}
@Override
public boolean onUnbind(Intent intent) {
Log.d(TAG, Thread.currentThread().getName() + " onUnbind");
try {
synchronized (mSessions) {
while (mSessions.size() > 0) {
mImsMediaBinder.closeSession((IBinder) mSessions.valueAt(0));
mSessions.removeAt(0);
}
JNIImsMediaService.clearListener();
mSessions.clear();
}
} catch (Exception e) {
Log.d(TAG, "onUnbind: e=" + e);
}
return true;
}
@Override
public void onCreate() {
Log.d(TAG, "onCreate");
}
@Override
public void onDestroy() {
Log.d(TAG, "onDestroy");
}
private IMediaSession getSession(int sessionId) {
synchronized (mSessions) {
return mSessions.get(sessionId);
}
}
public class OpenSessionCallback {
public void onOpenSessionSuccess(int sessionId, Object session) {
getSession(sessionId).onOpenSessionSuccess(session);
}
public void onOpenSessionFailure(int sessionId, int error) {
synchronized (mSessions) {
getSession(sessionId).onOpenSessionFailure(error);
mSessions.remove(sessionId);
}
}
/**
* Called when the session is closed.
*
* @param sessionId identifier of the session
*/
public void onSessionClosed(int sessionId) {
synchronized (mSessions) {
getSession(sessionId).onSessionClosed();
Log.d(TAG, "onSessionClosed: sessionId = " + sessionId);
mSessions.remove(sessionId);
}
}
}
}
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