Example usage for io.netty.buffer ByteBufUtil appendPrettyHexDump

Introduction

In this page you can find the example usage for io.netty.buffer ByteBufUtil appendPrettyHexDump.

Prototype

public static void appendPrettyHexDump(StringBuilder dump, ByteBuf buf) 

Source Link

Document

Appends the prettified multi-line hexadecimal dump of the specified ByteBuf to the specified StringBuilder that is easy to read by humans.

Usage

From source file:herddb.network.netty.NettyChannel.java

License:Apache License

@Override
public void sendOneWayMessage(ByteBuf message, SendResultCallback callback) {

    io.netty.channel.Channel _socket = this.socket;
    if (_socket == null || !_socket.isOpen()) {
        callback.messageSent(new Exception(this + " connection is closed"));
        return;//www . j  ava  2  s.  co  m
    }
    if (LOGGER.isLoggable(Level.FINEST)) {
        StringBuilder dumper = new StringBuilder();
        ByteBufUtil.appendPrettyHexDump(dumper, message);
        LOGGER.log(Level.FINEST, "Sending to {}: {}", new Object[] { _socket, dumper });
    }
    _socket.writeAndFlush(message).addListener(new GenericFutureListener() {

        @Override
        public void operationComplete(Future future) throws Exception {
            if (future.isSuccess()) {
                callback.messageSent(null);
            } else {
                LOGGER.log(Level.SEVERE, this + ": error " + future.cause(), future.cause());
                callback.messageSent(future.cause());
                close();
            }
        }
    });
    unflushedWrites.incrementAndGet();
}

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From source file:herddb.network.netty.ProtocolMessageDecoder.java

License:Apache License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
    ByteBuf in = (ByteBuf) msg;/*from w ww . j  ava 2s  .  c  o  m*/

    if (LOGGER.isLoggable(Level.FINEST)) {
        StringBuilder dumper = new StringBuilder();
        ByteBufUtil.appendPrettyHexDump(dumper, in);
        LOGGER.log(Level.FINEST, "Received from {}: {}", new Object[] { ctx.channel(), dumper });
    }

    try {
        Pdu pdu = PduCodec.decodePdu(in);
        ctx.fireChannelRead(pdu);
    } catch (Throwable err) {
        LOGGER.log(Level.SEVERE, "Error decoding PDU", err);
        ReferenceCountUtil.safeRelease(msg);
    }

}

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