How to use

getMuxDropChannel

method

in

org.eclipse.jetty.websocket.common.extensions.mux.MuxPhysicalConnectionException

/**
 * Per spec, the physical connection must be failed.
 * <p>
 * <a href="https://tools.ietf.org/html/draft-ietf-hybi-websocket-multiplexing-08#section-18">Section 18. Fail the Physical Connection.</a>
 * 
 * <blockquote> To _Fail the Physical Connection_, an endpoint MUST send a DropChannel multiplex control block with objective channel ID of 0 and drop
 * reason code in the range of 2000-2999, and then _Fail the WebSocket Connection_ on the physical connection with status code of 1011. </blockquote>
 */
private void mustFailPhysicalConnection(MuxPhysicalConnectionException muxe)
{
  // TODO: stop muxer from receiving incoming sub-channel traffic.
  MuxDropChannel drop = muxe.getMuxDropChannel();
  LOG.warn(muxe);
  try
  {
    generator.generate(null,drop);
  }
  catch (IOException ioe)
  {
    LOG.warn("Unable to send mux DropChannel",ioe);
  }
  String reason = "Mux[MUST FAIL]" + drop.getPhrase();
  reason = StringUtil.truncate(reason,WebSocketFrame.MAX_CONTROL_PAYLOAD);
  this.physicalConnection.close(StatusCode.SERVER_ERROR,reason);
  // TODO: trigger abnormal close for all sub-channels.
}

/**
 * Per spec, the physical connection must be failed.
 * <p>
 * <a href="https://tools.ietf.org/html/draft-ietf-hybi-websocket-multiplexing-08#section-18">Section 18. Fail the Physical Connection.</a>
 * 
 * <blockquote> To _Fail the Physical Connection_, an endpoint MUST send a DropChannel multiplex control block with objective channel ID of 0 and drop
 * reason code in the range of 2000-2999, and then _Fail the WebSocket Connection_ on the physical connection with status code of 1011. </blockquote>
 */
private void mustFailPhysicalConnection(MuxPhysicalConnectionException muxe)
{
  // TODO: stop muxer from receiving incoming sub-channel traffic.
  MuxDropChannel drop = muxe.getMuxDropChannel();
  LOG.warn(muxe);
  try
  {
    generator.generate(null,drop);
  }
  catch (IOException ioe)
  {
    LOG.warn("Unable to send mux DropChannel",ioe);
  }
  String reason = "Mux[MUST FAIL]" + drop.getPhrase();
  reason = StringUtil.truncate(reason,WebSocketFrame.MAX_CONTROL_PAYLOAD);
  this.physicalConnection.close(StatusCode.SERVER_ERROR,reason);
  // TODO: trigger abnormal close for all sub-channels.
}