Example usage for io.netty.buffer ByteBuf getBytes

List of usage examples for io.netty.buffer ByteBuf getBytes

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Introduction

In this page you can find the example usage for io.netty.buffer ByteBuf getBytes.

Prototype

public abstract ByteBuf getBytes(int index, ByteBuffer dst);

Source Link

Document

Transfers this buffer's data to the specified destination starting at the specified absolute index until the destination's position reaches its limit.

Usage

From source file:org.opendaylight.protocol.util.ByteArray.java

License:Open Source License

/**
 * Helper method missing from netty ByteBuf methods. Directly returns byte array part of the given buffer, starting
 * at reader index, with given length. Does not modify reader or writer index of the buffer.
 *
 * @param buffer ByteBuf from which the bytes are going to be taken
 * @param length length of the returned byte array
 * @return byte array//w ww . ja v  a 2s. com
 */
public static byte[] getBytes(final ByteBuf buffer, final int length) {
    Preconditions.checkArgument(buffer != null && buffer.readableBytes() >= length,
            "Buffer cannot be read for %s bytes.", length);
    final byte[] result = new byte[length];
    buffer.getBytes(buffer.readerIndex(), result);
    return result;
}

From source file:org.proton.plug.test.minimalserver.MinimalConnectionSPI.java

License:Apache License

@Override
public void onTransport(final ByteBuf bytes, final AMQPConnectionContext connection) {
    final int bufferSize = bytes.writerIndex();

    if (DebugInfo.debug) {
        // some debug
        byte[] frame = new byte[bytes.writerIndex()];
        int readerOriginalPos = bytes.readerIndex();

        bytes.getBytes(0, frame);

        try {// w  w  w .  j  a  v  a  2  s. co m
            System.err.println(
                    "Buffer Outgoing: " + "\n" + ByteUtil.formatGroup(ByteUtil.bytesToHex(frame), 4, 16));
        } catch (Exception e) {
            e.printStackTrace();
        }

        bytes.readerIndex(readerOriginalPos);
    }

    latch.countUp();
    // ^^ debug

    channel.writeAndFlush(bytes).addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture future) throws Exception {
            latch.countDown();

            //   https://issues.apache.org/jira/browse/PROTON-645
            //            connection.outputDone(bufferSize);
            //            if (connection.capacity() > 0)
            //            {
            //               channel.read();
            //            }
        }
    });

    channel.flush();

    if (connection.isSyncOnFlush()) {
        try {
            if (!latch.await(5, TimeUnit.SECONDS)) {
                // TODO logs
                System.err.println("Flush took longer than 5 seconds!!!");
            }
        } catch (Throwable e) {
            e.printStackTrace();
        }
    }
    connection.outputDone(bufferSize);

    //      if (connection.capacity() > 0)
    //      {
    //         channel.read();
    //      }
}

From source file:org.redisson.cache.LocalCachedMapUpdate.java

License:Apache License

public LocalCachedMapUpdate(ByteBuf keyBuf, ByteBuf valueBuf) {
    byte[] key = new byte[keyBuf.readableBytes()];
    keyBuf.getBytes(keyBuf.readerIndex(), key);

    byte[] value = new byte[valueBuf.readableBytes()];
    valueBuf.getBytes(valueBuf.readerIndex(), value);
    entries = Collections.singletonList(new Entry(key, value));
}

From source file:org.restcomm.media.control.mgcp.network.netty.MgcpMessageDecoder.java

License:Open Source License

@Override
protected void decode(ChannelHandlerContext ctx, DatagramPacket msg, List<Object> out) throws Exception {
    final ByteBuf content = msg.content();
    final InetSocketAddress recipient = msg.recipient();
    final InetSocketAddress sender = msg.sender();

    // Get data from buffer
    byte[] payload = new byte[content.readableBytes()];
    content.getBytes(0, payload);

    // Check message type based on first byte
    byte b = payload[0];

    // Produce message according to type
    MgcpMessage message;/*from   w ww. ja va 2  s  .  c  o  m*/
    if (b >= 48 && b <= 57) {
        message = handleResponse(payload);
    } else {
        message = handleRequest(payload);
    }

    if (log.isDebugEnabled()) {
        log.debug("Incoming MGCP message from " + sender.toString() + ":\n\n" + message.toString() + "\n");
    }

    MgcpMessageEnvelope envelope = new MgcpMessageEnvelope(message, recipient, sender);

    // Pass message to next handler
    out.add(envelope);
}

From source file:org.restcomm.media.rtp.netty.RtpDemultiplexer.java

License:Open Source License

private void handleDtlsPacket(ChannelHandlerContext ctx, ByteBuf buffer) {
    // Retrieve data from network
    final int length = buffer.readableBytes();
    final int offset = buffer.arrayOffset();

    // Wrap data into a DTLS packet
    byte[] data = new byte[length - offset];
    buffer.getBytes(offset, data);
    DtlsPacket dtlsPacket = new DtlsPacket(data);

    ctx.fireChannelRead(dtlsPacket);//from w  w w .ja  va2 s  .  co m
}

From source file:org.restexpress.Request.java

License:Apache License

/**
 * Returns the byte array underlying the Netty ByteBuf for this request.
 * However, if the ByteBuf returns false to hasArray(), this
 * method returns null.//w  ww.j a  v a 2  s  . c  o  m
 * @author actolap All ByteBufs may not have backing array (i.e. direct memory)
 * 
 * @return an array of byte, or null, if the ByteBuf is not backed by a byte array.
 */
public byte[] getBodyAsBytes() {
    ByteBuf buf = getBody();
    int length = buf.readableBytes();
    byte[] bytes;

    if (buf.hasArray()) {
        bytes = buf.array();
    } else {
        bytes = new byte[length];
        buf.getBytes(buf.readerIndex(), bytes);
    }

    return bytes;
}

From source file:org.rzo.netty.ahessian.log.OutLogger.java

License:Apache License

static private void encodeBuffer(ByteBuf buffer, StringBuilder sb) {
    if (buffer == null)
        return;/*from  ww  w.  java 2s .c  o m*/
    sb.append("(" + buffer.readableBytes() + ") ");
    int size = Math.min(MSG_LOG_LENGTH, buffer.readableBytes());
    byte[] b = new byte[size];
    buffer.getBytes(0, b);
    for (int i = 0; i < b.length && i < MSG_LOG_LENGTH; i++) {
        toDebugChar(sb, b[i]);
    }
}

From source file:org.shelloid.vpt.agent.VPTClient.java

License:Open Source License

@Override
public void channelRead0(ChannelHandlerContext ctx, Object msg) throws Exception {
    Channel ch = ctx.channel();/*from   ww w.  java  2s.c o  m*/
    if (!handshaker.isHandshakeComplete()) {
        handshaker.finishHandshake(ch, (FullHttpResponse) msg);
        handshakeFuture.setSuccess();
        onWsAuthenticated();
        Platform.shelloidLogger.debug("Client connected using " + ch + ". Now sending init ACK");
        sendAckMessage(ch, messenger.getLastSendAckNum());
        setChannel(ch);
        return;
    }

    if (msg instanceof FullHttpResponse) {
        FullHttpResponse response = (FullHttpResponse) msg;
        throw new IllegalStateException("Unexpected FullHttpResponse (getStatus=" + response.getStatus()
                + ", content=" + response.content().toString(CharsetUtil.UTF_8) + ')');
    }

    WebSocketFrame frame = (WebSocketFrame) msg;
    if (frame instanceof BinaryWebSocketFrame) {
        BinaryWebSocketFrame binFrame = (BinaryWebSocketFrame) frame;
        ByteBuf b = binFrame.content();
        byte[] bytes = new byte[b.capacity()];
        b.getBytes(0, bytes);
        handleShelloidClientMsg(bytes, ctx.channel());

    } else if (frame instanceof TextWebSocketFrame) {
        throw new Exception("TextWebSocketFrame" + ((TextWebSocketFrame) frame).text());
    } else if (frame instanceof PingWebSocketFrame) {
        ctx.channel().writeAndFlush(new PongWebSocketFrame());
    } else if (frame instanceof PongWebSocketFrame) {
        Platform.shelloidLogger.info("WebSocket Client received pong");
    } else if (frame instanceof CloseWebSocketFrame) {
        Platform.shelloidLogger.info("WebSocket Client received closing");
        try {
            ch.close().sync();
            ctx.close().sync();
        } catch (InterruptedException ex) {
            Platform.shelloidLogger.error("InterruptedException while closing channel (channelInactive)");
        }
    } else {
        throw new Exception("Frame type not supported: " + msg);
    }
}

From source file:org.shelloid.vpt.rms.server.VPTServerHandler.java

License:Open Source License

private void handleWebSocketFrame(ChannelHandlerContext ctx, WebSocketFrame frame) throws Exception {
    if (frame instanceof CloseWebSocketFrame) {
        handshaker.close(ctx.channel(), (CloseWebSocketFrame) frame.retain());
    } else if (frame instanceof PingWebSocketFrame) {
        ctx.channel().write(new PongWebSocketFrame(frame.content().retain()));
    } else if (frame instanceof BinaryWebSocketFrame) {
        BinaryWebSocketFrame binFrame = (BinaryWebSocketFrame) frame;
        ByteBuf b = binFrame.content();
        byte[] bytes = new byte[b.capacity()];
        b.getBytes(0, bytes);
        processWebSocketTextFrame(ctx.channel(), bytes);
    } else if (frame instanceof PongWebSocketFrame) {
        /* Do nothing */
    } else if (frame instanceof TextWebSocketFrame) {
        throw new Exception("TextWebSocketFrame" + ((TextWebSocketFrame) frame).text());
    } else {//  w  w w. ja v  a 2 s .c o m
        throw new UnsupportedOperationException(
                String.format("%s frame types not supported", frame.getClass().getName()));
    }
}

From source file:org.thingsplode.synapse.endpoint.handlers.RequestHandler.java

License:Apache License

@Override
protected void channelRead0(ChannelHandlerContext ctx, Request request) throws Exception {
    Response response = null;//  w w  w  . j  a v  a  2s .  co  m
    boolean fileDownload = filePattern.matcher(request.getHeader().getUri().getPath()).find();
    if (!fileDownload) {
        try {
            if (request.getBody() != null && (request.getBody() instanceof ByteBuf)) {
                //the body is in unmarshalled
                //eg. http case
                ByteBuf content = (ByteBuf) request.getBody();
                byte[] dst = new byte[content.capacity()];
                content.getBytes(0, dst);
                String jsonBody = new String(dst, Charset.forName("UTF-8"));
                response = registry.invokeWithParsable(request.getHeader(), jsonBody);
            } else {
                //the complete body is unmarshalled already for an object
                //eg. websocket case
                response = registry.invokeWithObject(request.getHeader(), request.getBody());
            }
            //else {
            //    response = new Response(new Response.ResponseHeader(request.getHeader(), HttpResponseStatus.valueOf(HttpStatus.BAD_REQUEST.value()), new MediaType("text/plain; charset=UTF-8")), RequestHandler.class.getSimpleName() + ": Body type not supported.");
            //}
        } catch (MethodNotFoundException mex) {
            //simple listing, no stack trace (normal issue)
            logger.warn("Couldn't process request due to " + mex.getClass().getSimpleName() + " with message: "
                    + mex.getMessage());
            response = new Response(
                    new Response.ResponseHeader(request.getHeader(),
                            HttpResponseStatus.valueOf(mex.getResponseStatus().value()), MediaType.TEXT_PLAIN),
                    mex.getClass().getSimpleName() + ": " + mex.getMessage());
        } catch (SynapseException ex) {
            //it could be an internal issue
            logger.error("Error processing REST request: " + ex.getMessage(), ex);
            response = new Response(
                    new Response.ResponseHeader(request.getHeader(),
                            HttpResponseStatus.valueOf(ex.getResponseStatus().value()), MediaType.TEXT_PLAIN),
                    ex.getClass().getSimpleName() + ": " + ex.getMessage());
        }
    }

    if (fileDownload || response == null || isFileDownloadRetriable(response)) {
        FileRequest fr = new FileRequest(request.getHeader());
        ctx.fireChannelRead(fr);
    } else {
        ctx.fireChannelRead(response);
    }
}