/** {@inheritDoc} */
 public void messageReceived(RTMPConnection conn, Packet packet) throws Exception {
   log.trace("messageReceived connection: {}", conn.getSessionId());
   if (conn != null) {
     IRTMPEvent message = null;
     try {
       message = packet.getMessage();
       final Header header = packet.getHeader();
       final Number streamId = header.getStreamId();
       final Channel channel = conn.getChannel(header.getChannelId());
       final IClientStream stream = conn.getStreamById(streamId);
       if (log.isTraceEnabled()) {
         log.trace("Message received - header: {}", header);
       }
       // set stream id on the connection
       conn.setStreamId(streamId);
       // increase number of received messages
       conn.messageReceived();
       // set the source of the message
       message.setSource(conn);
       // process based on data type
       final byte headerDataType = header.getDataType();
       if (log.isTraceEnabled()) {
         log.trace("Header / message data type: {}", headerDataType);
       }
       switch (headerDataType) {
         case TYPE_AGGREGATE:
           log.debug(
               "Aggregate type data - header timer: {} size: {}",
               header.getTimer(),
               header.getSize());
         case TYPE_AUDIO_DATA:
         case TYPE_VIDEO_DATA:
           // mark the event as from a live source
           // log.trace("Marking message as originating from a Live source");
           message.setSourceType(Constants.SOURCE_TYPE_LIVE);
           // NOTE: If we respond to "publish" with "NetStream.Publish.BadName",
           // the client sends a few stream packets before stopping. We need to ignore them
           if (stream != null) {
             ((IEventDispatcher) stream).dispatchEvent(message);
           }
           break;
         case TYPE_FLEX_SHARED_OBJECT:
         case TYPE_SHARED_OBJECT:
           onSharedObject(conn, channel, header, (SharedObjectMessage) message);
           break;
         case TYPE_INVOKE:
         case TYPE_FLEX_MESSAGE:
           onCommand(conn, channel, header, (Invoke) message);
           IPendingServiceCall call = ((Invoke) message).getCall();
           if (message.getHeader().getStreamId().intValue() != 0
               && call.getServiceName() == null
               && StreamAction.PUBLISH.equals(call.getServiceMethodName())) {
             if (stream != null) {
               // Only dispatch if stream really was created
               ((IEventDispatcher) stream).dispatchEvent(message);
             }
           }
           break;
         case TYPE_NOTIFY: // like an invoke, but does not return
           // anything and has a invoke / transaction
           // id of 0
         case TYPE_FLEX_STREAM_SEND:
           if (((Notify) message).getData() != null && stream != null) {
             // Stream metadata
             ((IEventDispatcher) stream).dispatchEvent(message);
           } else {
             onCommand(conn, channel, header, (Notify) message);
           }
           break;
         case TYPE_PING:
           onPing(conn, channel, header, (Ping) message);
           break;
         case TYPE_BYTES_READ:
           onStreamBytesRead(conn, channel, header, (BytesRead) message);
           break;
         case TYPE_CHUNK_SIZE:
           onChunkSize(conn, channel, header, (ChunkSize) message);
           break;
         case Constants.TYPE_CLIENT_BANDWIDTH: // onBWDone / peer bw
           log.debug("Client bandwidth: {}", message);
           onClientBandwidth(conn, channel, (ClientBW) message);
           break;
         case Constants.TYPE_SERVER_BANDWIDTH: // window ack size
           log.debug("Server bandwidth: {}", message);
           onServerBandwidth(conn, channel, (ServerBW) message);
           break;
         default:
           log.debug("Unknown type: {}", header.getDataType());
       }
       if (message instanceof Unknown) {
         log.info("Message type unknown: {}", message);
       }
     } catch (Throwable t) {
       log.error("Exception", t);
     }
     // XXX this may be causing 'missing' data if previous methods are
     // not making copies before buffering etc..
     if (message != null) {
       message.release();
     }
   }
 }