Examples of org.apache.spark.network.server.TransportChannelHandler

org.apache.spark.network.server.TransportChannelHandler
The single Transport-level Channel handler which is used for delegating requests to the {@link TransportRequestHandler} and responses to the {@link TransportResponseHandler}. All channels created in the transport layer are bidirectional. When the Client initiates a Netty Channel with a RequestMessage (which gets handled by the Server's RequestHandler), the Server will produce a ResponseMessage (handled by the Client's ResponseHandler). However, the Server also gets a handle on the same Channel, so it may then begin to send RequestMessages to the Client. This means that the Client also needs a RequestHandler and the Server needs a ResponseHandler, for the Client's responses to the Server's requests.

   * be used to communicate on this channel. The TransportClient is directly associated with a
   * ChannelHandler to ensure all users of the same channel get the same TransportClient object.
   */
  public TransportChannelHandler initializePipeline(SocketChannel channel) {
    try {
      TransportChannelHandler channelHandler = createChannelHandler(channel);
      channel.pipeline()
        .addLast("encoder", encoder)
        .addLast("frameDecoder", NettyUtils.createFrameDecoder())
        .addLast("decoder", decoder)
        // NOTE: Chunks are currently guaranteed to be returned in the order of request, but this

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  private TransportChannelHandler createChannelHandler(Channel channel) {
    TransportResponseHandler responseHandler = new TransportResponseHandler(channel);
    TransportClient client = new TransportClient(channel, responseHandler);
    TransportRequestHandler requestHandler = new TransportRequestHandler(channel, client,
      rpcHandler);
    return new TransportChannelHandler(client, responseHandler, requestHandler);
  }

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    final AtomicReference<TransportClient> clientRef = new AtomicReference<TransportClient>();


    bootstrap.handler(new ChannelInitializer<SocketChannel>() {
      @Override
      public void initChannel(SocketChannel ch) {
        TransportChannelHandler clientHandler = context.initializePipeline(ch);
        clientRef.set(clientHandler.getClient());
      }
    });


    // Connect to the remote server
    long preConnect = System.currentTimeMillis();

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Related Classes of org.apache.spark.network.server.TransportChannelHandler

org.apache.spark.network.client.TransportClientFactory

org.apache.spark.network.TransportContext

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