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/*
 * RED5 Open Source Media Server - https://github.com/Red5/
 * 
 * Copyright 2006-2016 by respective authors (see below). All rights reserved.
 * 
 * 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 org.red5.server.stream;

import java.io.File;
import java.io.IOException;
import java.lang.management.ManagementFactory;
import java.lang.ref.WeakReference;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.CopyOnWriteArraySet;

import javax.management.InstanceAlreadyExistsException;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import javax.management.StandardMBean;

import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.exception.ExceptionUtils;
import org.apache.mina.core.buffer.IoBuffer;
import org.red5.codec.AVCVideo;
import org.red5.codec.IAudioStreamCodec;
import org.red5.codec.IStreamCodecInfo;
import org.red5.codec.IVideoStreamCodec;
import org.red5.codec.StreamCodecInfo;
import org.red5.io.object.DataTypes;
import org.red5.io.object.Input;
import org.red5.server.api.IConnection;
import org.red5.server.api.IContext;
import org.red5.server.api.Red5;
import org.red5.server.api.event.IEvent;
import org.red5.server.api.event.IEventDispatcher;
import org.red5.server.api.event.IEventListener;
import org.red5.server.api.scope.IScope;
import org.red5.server.api.statistics.IClientBroadcastStreamStatistics;
import org.red5.server.api.statistics.support.StatisticsCounter;
import org.red5.server.api.stream.IClientBroadcastStream;
import org.red5.server.api.stream.IStreamAwareScopeHandler;
import org.red5.server.api.stream.IStreamCapableConnection;
import org.red5.server.api.stream.IStreamListener;
import org.red5.server.api.stream.IStreamPacket;
import org.red5.server.jmx.mxbeans.ClientBroadcastStreamMXBean;
import org.red5.server.messaging.IConsumer;
import org.red5.server.messaging.IFilter;
import org.red5.server.messaging.IMessage;
import org.red5.server.messaging.IMessageComponent;
import org.red5.server.messaging.IMessageOutput;
import org.red5.server.messaging.IPipe;
import org.red5.server.messaging.IPipeConnectionListener;
import org.red5.server.messaging.IProvider;
import org.red5.server.messaging.IPushableConsumer;
import org.red5.server.messaging.OOBControlMessage;
import org.red5.server.messaging.PipeConnectionEvent;
import org.red5.server.net.rtmp.event.AudioData;
import org.red5.server.net.rtmp.event.IRTMPEvent;
import org.red5.server.net.rtmp.event.Invoke;
import org.red5.server.net.rtmp.event.Notify;
import org.red5.server.net.rtmp.event.VideoData;
import org.red5.server.net.rtmp.status.Status;
import org.red5.server.net.rtmp.status.StatusCodes;
import org.red5.server.stream.message.RTMPMessage;
import org.red5.server.stream.message.StatusMessage;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.jmx.export.annotation.ManagedResource;

import io.antmedia.cluster.IClusterNotifier;
import io.antmedia.datastore.db.DataStore;
import io.antmedia.datastore.db.IDataStoreFactory;
import io.antmedia.datastore.db.types.Broadcast;
import io.antmedia.datastore.db.types.Endpoint;
import io.antmedia.muxer.IAntMediaStreamHandler;
import io.antmedia.muxer.MuxAdaptor;
import io.antmedia.muxer.RtmpMuxer;
import io.antmedia.muxer.parser.codec.AACAudio;
import io.vertx.core.Vertx;

/**
 * Represents live stream broadcasted from client. As Flash Media Server, Red5 supports recording mode for live streams, that is,
 * broadcasted stream has broadcast mode. It can be either "live" or "record" and latter causes server-side application to record
 * broadcasted stream.
 *
 * Note that recorded streams are recorded as FLV files.
 *
 * This type of stream uses two different pipes for live streaming and recording.
 * 
 * @author The Red5 Project
 * @author Steven Gong
 * @author Paul Gregoire ([email protected])
 * @author Vladimir Hmelyoff ([email protected])
 */
@ManagedResource(objectName = "org.red5.server:type=ClientBroadcastStream", description = "ClientBroadcastStream")
public class ClientBroadcastStream extends AbstractClientStream implements IClientBroadcastStream, IFilter, IPushableConsumer, IPipeConnectionListener, IEventDispatcher, IClientBroadcastStreamStatistics, ClientBroadcastStreamMXBean {

	private static final Logger log = LoggerFactory.getLogger(ClientBroadcastStream.class);

	/**
	 * Whether or not to automatically record the associated stream.
	 */
	protected boolean automaticRecording;

	/**
	 * Total number of bytes received.
	 */
	protected long bytesReceived;

	/**
	 * Is there need to check video codec?
	 */
	protected boolean checkVideoCodec = false;

	/**
	 * Is there need to check audio codec?
	 */
	protected boolean checkAudioCodec = false;

	/**
	 * Data is sent by chunks, each of them has size
	 */
	protected int chunkSize;

	/**
	 * Is this stream still active?
	 */
	protected volatile boolean closed;

	/**
	 * Output endpoint that providers use
	 */
	protected transient IMessageOutput connMsgOut;

	/**
	 * Stores timestamp of first packet
	 */
	protected long firstPacketTime = -1;

	/**
	 * Pipe for live streaming
	 */
	protected transient IPipe livePipe;

	/**
	 * Stream published name
	 */
	protected String publishedName;

	/**
	 * Streaming parameters
	 */
	protected Map parameters;

	/**
	 * Is there need to send start notification?
	 */
	protected boolean sendStartNotification = true;

	/**
	 * Stores statistics about subscribers.
	 */
	private transient StatisticsCounter subscriberStats = new StatisticsCounter();

	/**
	 * Listeners to get notified about received packets.
	 */
	protected transient Set listeners = new CopyOnWriteArraySet();

	/**
	 * Recording listener
	 */
	private transient WeakReference recordingListener;

	protected long latestTimeStamp = -1;

	/**
	 * Whether or not to register with JMX.
	 */
	private boolean registerJMX = true;


	/**
	 * Whether or not automatically record incoming stream as mp4
	 */
	private boolean automaticMp4Recording;


	/**
	 * Whether or not automatically record incoming stream as mp4
	 */
	private boolean automaticHlsRecording;

	private WeakReference muxAdaptor;

	private IClusterNotifier clusterNotifier;

	//private WeakReference endPointMuxAdaptor;


	/**
	 * Check and send notification if necessary
	 * 
	 * @param event
	 *            Event
	 */
	private void checkSendNotifications(IEvent event) {
		IEventListener source = event.getSource();
		sendStartNotifications(source);
	}

	/**
	 * Closes stream, unsubscribes provides, sends stoppage notifications and broadcast close notification.
	 */
	public void close() {
		log.debug("Stream close: {}", publishedName);
		if (closed) {
			log.debug("{} already closed", publishedName);
			return;
		}
		closed = true;
		if (livePipe != null) {
			livePipe.unsubscribe((IProvider) this);
		}
		// if we have a recording listener, inform that this stream is done
		if (recordingListener != null) {
			sendRecordStopNotify();
			notifyRecordingStop();
			// inform the listener to finish and close
			recordingListener.get().stop(true);
		}

		log.info("Checking mux adaptor to stop {}", publishedName);
		if (muxAdaptor != null) {
			MuxAdaptor realAdaptor = muxAdaptor.get();
			if (realAdaptor != null) {
				realAdaptor.stop(true);
			}
			else {
				log.warn("Mux adaptor reference is null");
			}
			
		}
		log.info("Mux Adaptor stop called {}", publishedName);

		sendPublishStopNotify();
		// TODO: can we send the client something to make sure he stops sending data?
		if (connMsgOut != null) {
			connMsgOut.unsubscribe(this);
		}
		notifyBroadcastClose();
		// clear the listener after all the notifications have been sent
		if (recordingListener != null) {
			recordingListener.clear();
		}
		if (muxAdaptor != null) {
			muxAdaptor.clear();
			muxAdaptor = null;
		}

		// clear listeners
		if (!listeners.isEmpty()) {
			listeners.clear();
		}
		// deregister with jmx
		unregisterJMX();
	}

	/**
	 * Dispatches event
	 * 
	 * @param event
	 *            Event to dispatch
	 */
	public void dispatchEvent(IEvent event) {
		if (event instanceof IRTMPEvent && !closed) {
			switch (event.getType()) {
			case STREAM_CONTROL:
			case STREAM_DATA:
				// create the event
				IRTMPEvent rtmpEvent;
				try {
					rtmpEvent = (IRTMPEvent) event;
				} catch (ClassCastException e) {
					log.error("Class cast exception in event dispatch", e);
					return;
				}
				int eventTime = -1;
				if (log.isTraceEnabled()) {
					// If this is first packet save its timestamp; expect it is
					// absolute? no matter: it's never used!
					if (firstPacketTime == -1) {
						firstPacketTime = rtmpEvent.getTimestamp();
						log.trace(String.format("CBS=@%08x: rtmpEvent=%s creation=%s firstPacketTime=%d", System.identityHashCode(this), rtmpEvent.getClass().getSimpleName(), creationTime, firstPacketTime));
					} else {
						log.trace(String.format("CBS=@%08x: rtmpEvent=%s creation=%s firstPacketTime=%d timestamp=%d", System.identityHashCode(this), rtmpEvent.getClass().getSimpleName(), creationTime, firstPacketTime, rtmpEvent.getTimestamp()));
					}
				}
				//get the buffer only once per call
				IoBuffer buf = null;
				if (rtmpEvent instanceof IStreamData && (buf = ((IStreamData) rtmpEvent).getData()) != null) {
					bytesReceived += buf.limit();
				}
				// get stream codec
				IStreamCodecInfo codecInfo = getCodecInfo();
				StreamCodecInfo info = null;
				if (codecInfo instanceof StreamCodecInfo) {
					info = (StreamCodecInfo) codecInfo;
				}
				//log.trace("Stream codec info: {}", info);
				if (rtmpEvent instanceof AudioData) {
					IAudioStreamCodec audioStreamCodec = null;
					if (checkAudioCodec) {
						// dont try to read codec info from 0 length audio packets
						if (buf.limit() > 0) {
							audioStreamCodec = AudioCodecFactory.getAudioCodec(buf);
							if (info != null) {
								info.setAudioCodec(audioStreamCodec);
							}
							checkAudioCodec = false;
						}
					} else if (codecInfo != null) {
						audioStreamCodec = codecInfo.getAudioCodec();
					}
					if (audioStreamCodec instanceof AACAudio) {
						audioStreamCodec.addData(buf);
					}
					else {
						//Dont's support codecs other than AACA
						log.error("Audio codec is not AAC so stopping connection {}", getPublishedName());
						stop();
						IStreamCapableConnection connection = getConnection();
						if (connection != null) {
							connection.close();
						}
						return;
					}
					if (info != null) {
						info.setHasAudio(true);
					}
					eventTime = rtmpEvent.getTimestamp();
					log.trace("Audio: {}", eventTime);
				} else if (rtmpEvent instanceof VideoData) {
					IVideoStreamCodec videoStreamCodec = null;
					if (checkVideoCodec) {
						videoStreamCodec = VideoCodecFactory.getVideoCodec(buf);
						if (info != null) {
							info.setVideoCodec(videoStreamCodec);
						}
						checkVideoCodec = false;
					} else if (codecInfo != null) {
						videoStreamCodec = codecInfo.getVideoCodec();
					}
					if (videoStreamCodec instanceof AVCVideo) {
						videoStreamCodec.addData(buf);
					}
					else {
						//don't support codecs other than AVC(264)
						log.error("Video codec is not AVC so stopping connection {}", getPublishedName());
						stop();
						IStreamCapableConnection connection = getConnection();
						if (connection != null) {
							connection.close();
						}
						return;
					}
					if (info != null) {
						info.setHasVideo(true);
					}
					eventTime = rtmpEvent.getTimestamp();
					log.trace("Video: {}", eventTime);
				} else if (rtmpEvent instanceof Invoke) {
					Invoke invokeEvent = (Invoke) rtmpEvent;
					log.debug("Invoke action: {}", invokeEvent.getAction());
					eventTime = rtmpEvent.getTimestamp();
					// event / stream listeners will not be notified of invokes
					return;
				} else if (rtmpEvent instanceof Notify) {
					Notify notifyEvent = (Notify) rtmpEvent;
					String action = notifyEvent.getAction();
					if (log.isDebugEnabled()) {
						log.debug("Notify action: {}", action);
					}
					if ("onMetaData".equals(action)) {
						// store the metadata
						try {
							log.debug("Setting metadata");
							setMetaData(notifyEvent.duplicate());
						} catch (Exception e) {
							log.warn("Metadata could not be duplicated for this stream", e);
						}
					}
					else if ("onFI".equals(action)) {
						try {
							Notify timeCodeNotify = notifyEvent.duplicate();
							Input input = new org.red5.io.amf.Input(timeCodeNotify.getData());
							byte object = input.readDataType();
				            if (object == DataTypes.CORE_SWITCH) {
					          log.trace("Switching decoding to AMF3");
					          input = new org.red5.io.amf3.Input(timeCodeNotify.getData());
					          ((org.red5.io.amf3.Input) input).enforceAMF3();
					           // re-read data type after switching decode
					           object = input.readDataType();
				            }
				            
				            String actionOnFI = input.readString();
				            input.readDataType();
				            Map readMap =  (Map) input.readMap();
				            
				            log.info("map params: {}", readMap);
				                
						} catch (Exception e) {
							e.printStackTrace();
						}
					}
					eventTime = rtmpEvent.getTimestamp();
				}
				// update last event time
				if (eventTime > latestTimeStamp) {
					latestTimeStamp = eventTime;
				}
				// notify event listeners
				checkSendNotifications(event);
				// note this timestamp is set in event/body but not in the associated header
				
				try {
					// route to live
					if (livePipe != null) {
						// create new RTMP message, initialize it and push through pipe
						RTMPMessage msg = RTMPMessage.build(rtmpEvent, eventTime);
						livePipe.pushMessage(msg);
					} else {
						log.debug("Live pipe was null, message was not pushed");
					}
				} catch (IOException err) {
					stop();
				}
				
				// notify listeners about received packet
				if (rtmpEvent instanceof IStreamPacket) {
					for (IStreamListener listener : getStreamListeners()) {
						try {
							listener.packetReceived(this, (IStreamPacket) rtmpEvent);
						} catch (Exception e) {
							log.error("Error while notifying listener {}", listener, e);
							if (listener instanceof RecordingListener) {
								sendRecordFailedNotify(e.getMessage());
							}
						}
					}
				}
				break;
			default:
				// ignored event
				log.debug("Ignoring event: {}", event.getType());
			}
		} else {
			log.debug("Event was of wrong type or stream is closed ({})", closed);
		}
	}

	/** {@inheritDoc} */
	public int getActiveSubscribers() {
		return subscriberStats.getCurrent();
	}

	/** {@inheritDoc} */
	public long getBytesReceived() {
		return bytesReceived;
	}

	/** {@inheritDoc} */
	public int getCurrentTimestamp() {
		return (int) latestTimeStamp;
	}

	/** {@inheritDoc} */
	public int getMaxSubscribers() {
		return subscriberStats.getMax();
	}

	/**
	 * Getter for provider
	 * 
	 * @return Provider
	 */
	public IProvider getProvider() {
		return this;
	}

	/**
	 * Setter for stream published name
	 * 
	 * @param name
	 *            Name that used for publishing. Set at client side when begin to broadcast with NetStream#publish.
	 */
	public void setPublishedName(String name) {
		log.debug("setPublishedName: {}", name);
		// a publish name of "false" is a special case, used when stopping a stream
		if (StringUtils.isNotEmpty(name) && !"false".equals(name)) {
			this.publishedName = name;
			registerJMX();
		}
	}

	/**
	 * Getter for published name
	 * 
	 * @return Stream published name
	 */
	public String getPublishedName() {
		return publishedName;
	}

	/** {@inheritDoc} */
	public void setParameters(Map params) {
		this.parameters = params;
	}

	/** {@inheritDoc} */
	public Map getParameters() {
		return parameters;
	}

	/** {@inheritDoc} */
	public String getSaveFilename() {
		if (recordingListener != null) {
			return recordingListener.get().getFileName();
		}
		return null;
	}

	/** {@inheritDoc} */
	public IClientBroadcastStreamStatistics getStatistics() {
		return this;
	}

	/** {@inheritDoc} */
	public int getTotalSubscribers() {
		return subscriberStats.getTotal();
	}

	/**
	 * @return the automaticRecording
	 */
	public boolean isAutomaticRecording() {
		return automaticRecording;
	}

	/**
	 * @param automaticRecording
	 *            the automaticRecording to set
	 */
	public void setAutomaticRecording(boolean automaticRecording) {
		this.automaticRecording = automaticRecording;
	}

	/**
	 * @param registerJMX
	 *            the registerJMX to set
	 */
	public void setRegisterJMX(boolean registerJMX) {
		this.registerJMX = registerJMX;
	}

	/**
	 * Notifies handler on stream broadcast close
	 */
	private void notifyBroadcastClose() {
		final IStreamAwareScopeHandler handler = getStreamAwareHandler();
		if (handler != null) {
			try {
				handler.streamBroadcastClose(this);
			} catch (Throwable t) {
				log.error("Error in notifyBroadcastClose", t);
			}
		}
	}

	/**
	 * Notifies handler on stream recording stop
	 */
	private void notifyRecordingStop() {
		IStreamAwareScopeHandler handler = getStreamAwareHandler();
		if (handler != null) {
			try {
				handler.streamRecordStop(this);
			} catch (Throwable t) {
				log.error("Error in notifyBroadcastClose", t);
			}
		}
	}

	/**
	 * Notifies handler on stream broadcast start
	 */
	private void notifyBroadcastStart() {
		IStreamAwareScopeHandler handler = getStreamAwareHandler();
		if (handler != null) {
			try {
				handler.streamBroadcastStart(this);
			} catch (Throwable t) {
				log.error("Error in notifyBroadcastStart", t);
			}
		}
	}

	/**
	 * Send OOB control message with chunk size
	 */
	private void notifyChunkSize() {
		if (chunkSize > 0 && livePipe != null) {
			OOBControlMessage setChunkSize = new OOBControlMessage();
			setChunkSize.setTarget("ConnectionConsumer");
			setChunkSize.setServiceName("chunkSize");
			if (setChunkSize.getServiceParamMap() == null) {
				setChunkSize.setServiceParamMap(new HashMap());
			}
			setChunkSize.getServiceParamMap().put("chunkSize", chunkSize);
			livePipe.sendOOBControlMessage(getProvider(), setChunkSize);
		}
	}

	/**
	 * Out-of-band control message handler
	 *
	 * @param source
	 *            OOB message source
	 * @param pipe
	 *            Pipe that used to send OOB message
	 * @param oobCtrlMsg
	 *            Out-of-band control message
	 */
	public void onOOBControlMessage(IMessageComponent source, IPipe pipe, OOBControlMessage oobCtrlMsg) {
		String target = oobCtrlMsg.getTarget();
		if ("ClientBroadcastStream".equals(target)) {
			String serviceName = oobCtrlMsg.getServiceName();
			if ("chunkSize".equals(serviceName)) {
				chunkSize = (Integer) oobCtrlMsg.getServiceParamMap().get("chunkSize");
				notifyChunkSize();
			} else {
				log.debug("Unhandled OOB control message for service: {}", serviceName);
			}
		} else {
			log.debug("Unhandled OOB control message to target: {}", target);
		}
	}

	/**
	 * Pipe connection event handler
	 * 
	 * @param event
	 *            Pipe connection event
	 */
	@SuppressWarnings("unused")
	public void onPipeConnectionEvent(PipeConnectionEvent event) {
		switch (event.getType()) {
		case PROVIDER_CONNECT_PUSH:
			log.debug("Provider connect");
			if (event.getProvider() == this && event.getSource() != connMsgOut && (event.getParamMap() == null || !event.getParamMap().containsKey("record"))) {
				livePipe = (IPipe) event.getSource();
				log.debug("Provider: {}", livePipe.getClass().getName());
				for (IConsumer consumer : livePipe.getConsumers()) {
					subscriberStats.increment();
				}
			}
			break;
		case PROVIDER_DISCONNECT:
			log.debug("Provider disconnect");
			if (log.isDebugEnabled() && livePipe != null) {
				log.debug("Provider: {}", livePipe.getClass().getName());
			}
			if (livePipe == event.getSource()) {
				livePipe = null;
			}
			break;
		case CONSUMER_CONNECT_PUSH:
			log.debug("Consumer connect");
			IPipe pipe = (IPipe) event.getSource();
			if (log.isDebugEnabled() && pipe != null) {
				log.debug("Consumer: {}", pipe.getClass().getName());
			}
			if (livePipe == pipe) {
				notifyChunkSize();
			}
			subscriberStats.increment();
			break;
		case CONSUMER_DISCONNECT:
			log.debug("Consumer disconnect: {}", event.getSource().getClass().getName());
			subscriberStats.decrement();
			break;
		default:
		}
	}

	/**
	 * Currently not implemented
	 *
	 * @param pipe
	 *            Pipe
	 * @param message
	 *            Message
	 */
	public void pushMessage(IPipe pipe, IMessage message) {
	}

	/**
	 * Save broadcasted stream.
	 *
	 * @param name
	 *            Stream name
	 * @param isAppend
	 *            Append mode
	 * @throws IOException
	 *             File could not be created/written to
	 */
	public void saveAs(String name, boolean isAppend) throws IOException {
		log.debug("SaveAs - name: {} append: {}", name, isAppend);
		// get connection to check if client is still streaming
		IStreamCapableConnection conn = getConnection();
		if (conn == null) {
			throw new IOException("Stream is no longer connected");
		}
		// one recording listener at a time via this entry point
		if (recordingListener == null) {
			// XXX Paul: Revisit this section to allow for implementation of custom IRecordingListener
			//IRecordingListener listener = (IRecordingListener) ScopeUtils.getScopeService(conn.getScope(), IRecordingListener.class, RecordingListener.class, false);
			// create a recording listener
			IRecordingListener listener = new RecordingListener();
			log.debug("Created: {}", listener);
			// initialize the listener
			if (listener.init(conn, name, isAppend)) {
				// get decoder info if it exists for the stream
				IStreamCodecInfo codecInfo = getCodecInfo();
				log.debug("Codec info: {}", codecInfo);
				if (codecInfo instanceof StreamCodecInfo) {
					StreamCodecInfo info = (StreamCodecInfo) codecInfo;
					IVideoStreamCodec videoCodec = info.getVideoCodec();
					log.debug("Video codec: {}", videoCodec);
					if (videoCodec != null) {
						//check for decoder configuration to send
						IoBuffer config = videoCodec.getDecoderConfiguration();
						if (config != null) {
							log.debug("Decoder configuration is available for {}", videoCodec.getName());
							VideoData videoConf = new VideoData(config.asReadOnlyBuffer());
							try {
								log.debug("Setting decoder configuration for recording");
								listener.getFileConsumer().setVideoDecoderConfiguration(videoConf);
							} finally {
								videoConf.release();
							}
						}
					} else {
						log.debug("Could not initialize stream output, videoCodec is null.");
					}
					IAudioStreamCodec audioCodec = info.getAudioCodec();
					log.debug("Audio codec: {}", audioCodec);
					if (audioCodec != null) {
						//check for decoder configuration to send
						IoBuffer config = audioCodec.getDecoderConfiguration();
						if (config != null) {
							log.debug("Decoder configuration is available for {}", audioCodec.getName());
							AudioData audioConf = new AudioData(config.asReadOnlyBuffer());
							try {
								log.debug("Setting decoder configuration for recording");
								listener.getFileConsumer().setAudioDecoderConfiguration(audioConf);
							} finally {
								audioConf.release();
							}
						}
					} else {
						log.debug("No decoder configuration available, audioCodec is null.");
					}
				}
				// set as primary listener
				recordingListener = new WeakReference(listener);
				// add as a listener
				addStreamListener(listener);
				// start the listener thread
				listener.start();
			} else {
				log.warn("Recording listener failed to initialize for stream: {}", name);
			}
		} else {
			log.debug("Recording listener already exists for stream: {} auto record enabled: {}", name, automaticRecording);
		}
	}


	/**
	 * Sends publish start notifications
	 */
	private void sendPublishStartNotify() {
		Status publishStatus = new Status(StatusCodes.NS_PUBLISH_START);
		publishStatus.setClientid(getStreamId());
		publishStatus.setDetails(getPublishedName());

		StatusMessage startMsg = new StatusMessage();
		startMsg.setBody(publishStatus);
		pushMessage(startMsg);
	}

	/**
	 * Sends publish stop notifications
	 */
	private void sendPublishStopNotify() {
		Status stopStatus = new Status(StatusCodes.NS_UNPUBLISHED_SUCCESS);
		stopStatus.setClientid(getStreamId());
		stopStatus.setDetails(getPublishedName());

		StatusMessage stopMsg = new StatusMessage();
		stopMsg.setBody(stopStatus);
		pushMessage(stopMsg);
	}

	/**
	 * Sends record failed notifications
	 */
	private void sendRecordFailedNotify(String reason) {
		Status failedStatus = new Status(StatusCodes.NS_RECORD_FAILED);
		failedStatus.setLevel(Status.ERROR);
		failedStatus.setClientid(getStreamId());
		failedStatus.setDetails(getPublishedName());
		failedStatus.setDesciption(reason);

		StatusMessage failedMsg = new StatusMessage();
		failedMsg.setBody(failedStatus);
		pushMessage(failedMsg);
	}

	/**
	 * Sends record start notifications
	 */
	private void sendRecordStartNotify() {
		Status recordStatus = new Status(StatusCodes.NS_RECORD_START);
		recordStatus.setClientid(getStreamId());
		recordStatus.setDetails(getPublishedName());

		StatusMessage startMsg = new StatusMessage();
		startMsg.setBody(recordStatus);
		pushMessage(startMsg);
	}

	/**
	 * Sends record stop notifications
	 */
	private void sendRecordStopNotify() {
		Status stopStatus = new Status(StatusCodes.NS_RECORD_STOP);
		stopStatus.setClientid(getStreamId());
		stopStatus.setDetails(getPublishedName());

		StatusMessage stopMsg = new StatusMessage();
		stopMsg.setBody(stopStatus);
		pushMessage(stopMsg);
	}

	/**
	 * Pushes a message out to a consumer.
	 * 
	 * @param msg
	 *            StatusMessage
	 */
	protected void pushMessage(StatusMessage msg) {
		if (connMsgOut != null) {
			try {
				connMsgOut.pushMessage(msg);
			} catch (IOException err) {
				log.error("Error while pushing message: {}", msg, err);
			}
		} else {
			log.warn("Consumer message output is null");
		}
	}

	private void sendStartNotifications(IEventListener source) {
		if (sendStartNotification) {
			// notify handler that stream starts recording/publishing
			sendStartNotification = false;
			if (source instanceof IConnection) {
				IScope scope = ((IConnection) source).getScope();
				if (scope.hasHandler()) {
					final Object handler = scope.getHandler();
					if (handler instanceof IStreamAwareScopeHandler) {
						if (recordingListener != null && recordingListener.get().isRecording()) {
							// callback for record start
							((IStreamAwareScopeHandler) handler).streamRecordStart(this);
						} else {
							// delete any previously recorded versions of this now "live" stream per
							// http://livedocs.adobe.com/flashmediaserver/3.0/hpdocs/help.html?content=00000186.html
							try {
								File file = getRecordFile(scope, publishedName);
								if (file != null && file.exists()) {
									if (!file.delete()) {
										log.debug("File was not deleted: {}", file.getAbsoluteFile());
									}
								}
							} catch (Exception e) {
								log.warn("Exception removing previously recorded file", e);
							}
							// callback for publish start
							((IStreamAwareScopeHandler) handler).streamPublishStart(this);
						}
					}
				}
			}
			// send start notifications
			sendPublishStartNotify();
			if (recordingListener != null && recordingListener.get().isRecording()) {
				sendRecordStartNotify();
			}
			notifyBroadcastStart();
		}
	}

	/**
	 * Starts stream, creates pipes, connects
	 */
	public void start() {
		log.info("Stream start: {}", publishedName);
		checkVideoCodec = true;
		checkAudioCodec = true;
		firstPacketTime = -1;
		latestTimeStamp = -1;
		bytesReceived = 0;
		IConsumerService consumerManager = (IConsumerService) getScope().getContext().getBean(IConsumerService.KEY);
		connMsgOut = consumerManager.getConsumerOutput(this);
		if (connMsgOut != null && connMsgOut.subscribe(this, null)) {
			creationTime = System.currentTimeMillis();
			closed = false;
		} else {
			log.warn("Subscribe failed");
		}
	}

	/** {@inheritDoc} */
	public void startPublishing() {
		// We send the start messages before the first packet is received.
		// This is required so FME actually starts publishing.
		sendStartNotifications(Red5.getConnectionLocal());

		IStreamCapableConnection conn = getConnection();
		IContext context = conn.getScope().getContext(); 
		ApplicationContext appCtx = context.getApplicationContext(); 

		// force recording if set
		if (automaticRecording) {
			log.debug("Starting automatic recording of {}", publishedName);
			try {
				saveAs(publishedName, false);
			} catch (Exception e) {
				log.warn("Start of automatic recording failed", e);
			}
		}

		MuxAdaptor localMuxAdaptor = MuxAdaptor.initializeMuxAdaptor(this, false, conn.getScope());


		

		try {
			if (conn == null) {
				throw new IOException("Stream is no longer connected");

			}

			setUpEndPoints(appCtx, publishedName, localMuxAdaptor);
			localMuxAdaptor.init(conn, publishedName, false);
			
			addStreamListener(localMuxAdaptor);
			this.muxAdaptor = new WeakReference<>(localMuxAdaptor);
			if (!this.muxAdaptor.get().getStreamHandler().isServerShuttingDown()) {
				localMuxAdaptor.start();
			}
			else {
				log.warn("Server is shutting down and not accepting the connection for stream: {}", publishedName);
				stop();
				IStreamCapableConnection connection = getConnection();
				if (connection != null) {
					connection.close();
				}
			}
		}
		catch (Exception e) {
			log.error(ExceptionUtils.getStackTrace(e));
		}
	}

	private void setUpEndPoints(ApplicationContext appCtx, String publishedName, MuxAdaptor muxAdaptor) {
		if (appCtx.containsBean(IDataStoreFactory.BEAN_NAME)) 
		{
			DataStore dataStore = ((IDataStoreFactory)appCtx.getBean(IDataStoreFactory.BEAN_NAME)).getDataStore();
			Broadcast broadcast = dataStore.get(publishedName);
			Vertx vertx = (Vertx) appCtx.getBean(IAntMediaStreamHandler.VERTX_BEAN_NAME);

			MuxAdaptor.setUpEndPoints(muxAdaptor, broadcast, vertx);
		}

	}


	/** {@inheritDoc} */
	public void stop() {
		log.info("Stream stop: {}", publishedName);
		stopRecording();
		log.info("Stream close: {}", publishedName);
		close();
	}

	/**
	 * Stops any currently active recording.
	 */
	public void stopRecording() {
		IRecordingListener listener = null;
		if (recordingListener != null && (listener = recordingListener.get()).isRecording()) {
			sendRecordStopNotify();
			notifyRecordingStop();
			// remove the listener
			removeStreamListener(listener);
			// stop the recording listener
			listener.stop(true);
			// clear and null-out the tsetHlsTimehread local
			recordingListener.clear();
			recordingListener = null;
		}

		if (muxAdaptor != null) {
			MuxAdaptor localMuxAdaptor = muxAdaptor.get();
			removeStreamListener(localMuxAdaptor);
			localMuxAdaptor.stop(true);
			muxAdaptor.clear();
			muxAdaptor = null;
		}
	}

	public boolean isRecording() {
		return recordingListener != null && recordingListener.get().isRecording();
	}

	/** {@inheritDoc} */
	public void addStreamListener(IStreamListener listener) {
		listeners.add(listener);
	}

	/** {@inheritDoc} */
	public Collection getStreamListeners() {
		return listeners;
	}

	/** {@inheritDoc} */
	public void removeStreamListener(IStreamListener listener) {
		listeners.remove(listener);
	}

	/**
	 * Get the file we'd be recording to based on scope and given name.
	 * 
	 * @param scope
	 *            scope
	 * @param name
	 *            record name
	 * @return file
	 */
	protected File getRecordFile(IScope scope, String name) {
		return RecordingListener.getRecordFile(scope, name);
	}

	protected void registerJMX() {
		if (registerJMX) {
			// register with jmx
			MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
			try {
				ObjectName oName = new ObjectName(String.format("org.red5.server:type=ClientBroadcastStream,scope=%s,publishedName=%s", getScope().getName(), publishedName));
				mbs.registerMBean(new StandardMBean(this, ClientBroadcastStreamMXBean.class, true), oName);
			} catch (InstanceAlreadyExistsException e) {
				log.debug("Instance already registered", e);
			} catch (Exception e) {
				log.warn("Error on jmx registration", e);
			}
		}
	}

	protected void unregisterJMX() {
		if (registerJMX) {
			if (StringUtils.isNotEmpty(publishedName) && !"false".equals(publishedName)) {
				MBeanServer mbs = ManagementFactory.getPlatformMBeanServer();
				try {
					ObjectName oName = new ObjectName(String.format("org.red5.server:type=ClientBroadcastStream,scope=%s,publishedName=%s", getScope().getName(), publishedName));
					mbs.unregisterMBean(oName);
				} catch (Exception e) {
					log.warn("Exception unregistering", e);
				}
			}
		}
	}

	public void setAutomaticMp4Recording(boolean automaticMp4Recording) {
		this.automaticMp4Recording = automaticMp4Recording;
	}

	public void setAutomaticHlsRecording(boolean automaticHlsRecording) {
		this.automaticHlsRecording = automaticHlsRecording;
	}
	
	public void setMuxAdaptor(WeakReference muxAdaptor) {
		this.muxAdaptor = muxAdaptor;
	}

}




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