Example usage for io.netty.buffer ByteBuf writerIndex

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

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Introduction

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

Prototype

public abstract int writerIndex();

Source Link

Document

Returns the writerIndex of this buffer.

Usage

From source file:org.opendaylight.protocol.pcep.spi.TlvUtil.java

License:Open Source License

public static void formatTlv(final int type, final ByteBuf body, final ByteBuf out) {
    out.writeShort(type);//from www  . j ava2  s  .co  m
    out.writeShort(body.writerIndex());
    out.writeBytes(body);
    out.writeZero(getPadding(HEADER_SIZE + body.writerIndex(), PADDED_TO));
}

From source file:org.opendaylight.protocol.pcep.spi.XROSubobjectUtil.java

License:Open Source License

public static void formatSubobject(final int type, final Boolean mandatory, final ByteBuf body,
        final ByteBuf buffer) {
    if (mandatory == null) {
        buffer.writeByte(type);// w  w  w . j  a va  2 s  .c  om
    } else {
        buffer.writeByte(type | (mandatory ? 1 << MANDATORY_BIT : 0));
    }
    buffer.writeByte(body.writerIndex() + HEADER_SIZE);
    buffer.writeBytes(body);
}

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

License:Open Source License

@Test
public void testReadBytes() {
    final ByteBuf buffer = Unpooled.copiedBuffer(this.before);
    buffer.readerIndex(1);//w ww  .  j  a v a 2 s. c om
    assertArrayEquals(new byte[] { 28, 4, 6 }, ByteArray.readBytes(buffer, 3));
    assertEquals(4, buffer.readerIndex());

    assertArrayEquals(new byte[] { 9, 10 }, ByteArray.readAllBytes(buffer));
    assertEquals(buffer.readerIndex(), buffer.writerIndex());
}

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

License:Open Source License

@Test
public void testGetBytes() {
    final ByteBuf buffer = Unpooled.copiedBuffer(this.before);
    buffer.readerIndex(1);/*from   w w  w .  ja  v  a2  s . c o  m*/
    assertArrayEquals(new byte[] { 28, 4, 6 }, ByteArray.getBytes(buffer, 3));
    assertEquals(1, buffer.readerIndex());

    assertArrayEquals(new byte[] { 28, 4, 6, 9, 10 }, ByteArray.getAllBytes(buffer));
    assertNotSame(buffer.readerIndex(), buffer.writerIndex());
}

From source file:org.proton.plug.context.AbstractProtonContextSender.java

License:Apache License

protected int performSend(ProtonJMessage serverMessage, Object context) {
    if (!creditsSemaphore.tryAcquire()) {
        try {//from www .j  av  a 2s  .c  o m
            creditsSemaphore.acquire();
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
            // nothing to be done here.. we just keep going
            throw new IllegalStateException(e.getMessage(), e);
        }
    }

    //presettle means we can ack the message on the dealer side before we send it, i.e. for browsers
    boolean preSettle = sender.getRemoteSenderSettleMode() == SenderSettleMode.SETTLED;

    //we only need a tag if we are going to ack later
    byte[] tag = preSettle ? new byte[0] : protonSession.getTag();

    ByteBuf nettyBuffer = PooledByteBufAllocator.DEFAULT.heapBuffer(1024);
    try {
        serverMessage.encode(new NettyWritable(nettyBuffer));

        int size = nettyBuffer.writerIndex();

        synchronized (connection.getLock()) {
            final Delivery delivery;
            delivery = sender.delivery(tag, 0, tag.length);
            delivery.setContext(context);

            // this will avoid a copy.. patch provided by Norman using buffer.array()
            sender.send(nettyBuffer.array(), nettyBuffer.arrayOffset() + nettyBuffer.readerIndex(),
                    nettyBuffer.readableBytes());

            if (preSettle) {
                delivery.settle();
            } else {
                sender.advance();
            }
        }

        connection.flush();

        return size;
    } finally {
        nettyBuffer.release();
    }
}

From source file:org.proton.plug.test.invm.ProtonINVMSPI.java

License:Apache License

@Override
public void onTransport(final ByteBuf bytes, final AMQPConnectionContext connection) {
    if (DebugInfo.debug) {
        ByteUtil.debugFrame("InVM->", bytes);
    }//from  w  ww  .j  a v a  2  s .  co m
    final int size = bytes.writerIndex();

    bytes.retain();
    mainExecutor.execute(new Runnable() {
        public void run() {
            try {
                if (DebugInfo.debug) {
                    ByteUtil.debugFrame("InVMDone->", bytes);
                }
                serverConnection.inputBuffer(bytes);
                try {
                    connection.outputDone(size);
                } catch (Exception e) {
                    e.printStackTrace();
                }
            } finally {
                bytes.release();
            }
        }
    });
}

From source file:org.proton.plug.test.minimalclient.AMQPClientSPI.java

License:Apache License

@Override
public void onTransport(final ByteBuf bytes, final AMQPConnectionContext connection) {
    if (DebugInfo.debug) {
        ByteUtil.debugFrame("Bytes leaving client", bytes);
    }//from  ww w  .j a va 2  s  . c om

    final int bufferSize = bytes.writerIndex();

    latch.countUp();

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

    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);

}

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);//from   w ww  .jav  a  2 s .  c  o m

        try {
            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.proton.plug.util.ByteUtil.java

License:Apache License

public static void debugFrame(String message, ByteBuf byteIn) {
    int location = byteIn.readerIndex();
    // debugging//  w w w  . ja v a2s  .  c o  m
    byte[] frame = new byte[byteIn.writerIndex()];
    byteIn.readBytes(frame);

    try {
        System.out.println(message + "\n" + ByteUtil.formatGroup(ByteUtil.bytesToHex(frame), 8, 16));
    } catch (Exception e) {
        e.printStackTrace();
    }

    byteIn.readerIndex(location);
}

From source file:org.pumpkindb.Closure.java

License:Mozilla Public License

@Override
public void encode(ByteBuf buffer) {
    ByteBuf buf = Unpooled.buffer();
    encodables.forEach(encodable -> encodable.encode(buf));

    int index = buf.writerIndex();

    buf.capacity(index);// www  . ja  va  2s . c  o m

    new Data(buf.array()).encode(buffer);
}