Example usage for io.netty.buffer ByteBuf arrayOffset

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

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Introduction

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

Prototype

public abstract int arrayOffset();

Source Link

Document

Returns the offset of the first byte within the backing byte array of this buffer.

Usage

From source file:io.datty.aerospike.support.AerospikeValueUtil.java

License:Apache License

public static Value toValue(ByteBuf bufferOrNull) {

    if (bufferOrNull == null) {
        return new NullValue();
    } else if (bufferOrNull.hasArray()) {
        int start = bufferOrNull.readerIndex();
        int length = bufferOrNull.readableBytes();
        if (start != 0 || length != bufferOrNull.capacity()) {
            int baseOffset = bufferOrNull.arrayOffset() + start;
            return new ByteSegmentValue(bufferOrNull.array(), baseOffset, baseOffset + length);
        } else {//from ww w.j  a v  a 2  s  . c  o  m
            return new BytesValue(bufferOrNull.array());
        }
    } else {
        byte[] bytes = new byte[bufferOrNull.readableBytes()];
        bufferOrNull.getBytes(bufferOrNull.readerIndex(), bytes);
        return new BytesValue(bytes);
    }

}

From source file:io.datty.msgpack.core.AbstractMessageReader.java

License:Apache License

public String readString(ByteBuf buffer, int length, Charset charset) {
    if (length > buffer.readableBytes()) {
        throw new MessageParseException(
                "insufficient buffer length: " + buffer.readableBytes() + ", required length: " + length);
    }//www  .  jav  a2 s  .  c  o  m
    if (buffer.hasArray()) {
        int start = buffer.readerIndex();
        int baseOffset = buffer.arrayOffset() + start;
        String str = new String(buffer.array(), baseOffset, length, charset);
        buffer.readerIndex(start + length);
        return str;
    } else {
        byte[] bytes = new byte[length];
        buffer.readBytes(bytes);
        return new String(bytes, charset);
    }
}

From source file:io.gatling.netty.util.ahc.ByteBufUtils.java

License:Apache License

public static byte[] byteBuf2Bytes(ByteBuf buf) {
    int readable = buf.readableBytes();
    int readerIndex = buf.readerIndex();
    if (buf.hasArray()) {
        byte[] array = buf.array();
        if (buf.arrayOffset() == 0 && readerIndex == 0 && array.length == readable) {
            return array;
        }//from  ww  w . j  a  v  a  2 s .  c o  m
    }
    byte[] array = new byte[readable];
    buf.getBytes(readerIndex, array);
    return array;
}

From source file:io.nebo.thrift.TNiftyTransport.java

License:Apache License

public TNiftyTransport(Channel channel, ByteBuf in, ThriftTransportType thriftTransportType) {
    this.channel = channel;
    this.in = in;
    this.out = Unpooled.buffer(DEFAULT_OUTPUT_BUFFER_SIZE);
    this.thriftTransportType = thriftTransportType;
    this.initialReaderIndex = in.readerIndex();

    if (!in.hasArray()) {
        buffer = null;/*from w  w  w  . ja v a2s.  c o  m*/
        bufferPosition = 0;
        initialBufferPosition = bufferEnd = -1;
    } else {
        buffer = in.array();
        initialBufferPosition = bufferPosition = in.arrayOffset() + in.readerIndex();
        bufferEnd = bufferPosition + in.readableBytes();
        // Without this, reading from a !in.hasArray() buffer will advance the readerIndex
        // of the buffer, while reading from a in.hasArray() buffer will not advance the
        // readerIndex, and this has led to subtle bugs. This should help to identify
        // those problems by making things more consistent.
        in.readerIndex(in.readerIndex() + in.readableBytes());
    }
}

From source file:io.vertx.proton.impl.ProtonReadableBufferImplTest.java

License:Apache License

@Test
public void testArrayAccess() {
    ByteBuf byteBuffer = Unpooled.buffer(100, 100);
    ProtonReadableBufferImpl buffer = new ProtonReadableBufferImpl(byteBuffer);

    assertTrue(buffer.hasArray());//  ww  w . jav  a  2 s . c  o m
    assertSame(buffer.array(), byteBuffer.array());
    assertEquals(buffer.arrayOffset(), byteBuffer.arrayOffset());
}

From source file:io.vertx.proton.impl.ProtonReadableBufferImplTest.java

License:Apache License

@Test
public void testArrayOffset() {
    byte[] data = new byte[] { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
    ByteBuf byteBuffer = Unpooled.wrappedBuffer(data, 5, 5);
    ProtonReadableBufferImpl buffer = new ProtonReadableBufferImpl(byteBuffer);

    assertTrue(buffer.hasArray());/*  www.  j  a v  a  2s  .c om*/
    assertSame(buffer.array(), byteBuffer.array());
    assertEquals(buffer.arrayOffset(), byteBuffer.arrayOffset());

    assertEquals(5, buffer.get());

    assertEquals(buffer.arrayOffset(), byteBuffer.arrayOffset());
}

From source file:io.viewserver.network.netty.IncomingMessageHandler.java

License:Apache License

@Override
protected void decode(ChannelHandlerContext channelHandlerContext, ByteBuf byteBuf, List<Object> objects)
        throws Exception {
    final byte[] array;
    final int offset;
    final int length = byteBuf.readableBytes();
    //        try {
    if (byteBuf.hasArray()) {
        array = byteBuf.array();//from w w w . j a v  a  2 s  . c o m
        offset = byteBuf.arrayOffset() + byteBuf.readerIndex();
        networkMessageWheel.pushToWheel(new NettyChannel(channelHandlerContext.channel()), array, offset,
                length);
    } else {
        //                array = new byte[length];
        //                byteBuf.getBytes(byteBuf.readerIndex(), array, 0, length);
        //                offset = 0;
        networkMessageWheel.pushToWheel(new NettyChannel(channelHandlerContext.channel()),
                new ByteBufInputStream(byteBuf));
    }
    //        } finally {
    //            byteBuf.release();
    //        }
}

From source file:org.apache.activemq.artemis.core.protocol.proton.plug.ProtonSessionIntegrationCallback.java

License:Apache License

@Override
public void serverSend(final Receiver receiver, final Delivery delivery, String address, int messageFormat,
        ByteBuf messageEncoded) throws Exception {
    EncodedMessage encodedMessage = new EncodedMessage(messageFormat, messageEncoded.array(),
            messageEncoded.arrayOffset(), messageEncoded.writerIndex());

    ServerMessage message = manager.getConverter().inbound(encodedMessage);
    //use the address on the receiver if not null, if null let's hope it was set correctly on the message
    if (address != null) {
        message.setAddress(new SimpleString(address));
    }/*www .j  av  a2  s .co  m*/

    serverSession.send(message, false);

    manager.getServer().getStorageManager().afterCompleteOperations(new IOAsyncTask() {
        @Override
        public void done() {
            synchronized (connection.getLock()) {
                delivery.settle();
                connection.flush();
            }
        }

        @Override
        public void onError(int errorCode, String errorMessage) {
            synchronized (connection.getLock()) {
                receiver.setCondition(
                        new ErrorCondition(AmqpError.ILLEGAL_STATE, errorCode + ":" + errorMessage));
                connection.flush();
            }
        }
    });
}

From source file:org.apache.activemq.artemis.protocol.amqp.broker.AMQPSessionCallback.java

License:Apache License

public void serverSend(final Transaction transaction, final Receiver receiver, final Delivery delivery,
        String address, int messageFormat, ByteBuf messageEncoded) throws Exception {
    EncodedMessage encodedMessage = new EncodedMessage(messageFormat, messageEncoded.array(),
            messageEncoded.arrayOffset(), messageEncoded.writerIndex());

    ServerMessage message = manager.getConverter().inbound(encodedMessage);
    //use the address on the receiver if not null, if null let's hope it was set correctly on the message
    if (address != null) {
        message.setAddress(new SimpleString(address));
    }//from   w w  w.  j  a va 2s.com

    recoverContext();

    PagingStore store = manager.getServer().getPagingManager().getPageStore(message.getAddress());
    if (store.isRejectingMessages()) {
        // We drop pre-settled messages (and abort any associated Tx)
        if (delivery.remotelySettled()) {
            if (transaction != null) {
                String amqpAddress = delivery.getLink().getTarget().getAddress();
                ActiveMQException e = new ActiveMQAMQPResourceLimitExceededException(
                        "Address is full: " + amqpAddress);
                transaction.markAsRollbackOnly(e);
            }
        } else {
            rejectMessage(delivery);
        }
    } else {
        serverSend(transaction, message, delivery, receiver);
    }
}

From source file:org.apache.activemq.artemis.protocol.amqp.converter.message.JMSMappingOutboundTransformerTest.java

License:Apache License

public EncodedMessage transform(ServerJMSMessage message) throws Exception {
    // Useful for testing but not recommended for real life use.
    ByteBuf nettyBuffer = Unpooled.buffer(1024);
    NettyWritable buffer = new NettyWritable(nettyBuffer);

    long messageFormat = transformer.transform(message, buffer);

    EncodedMessage encoded = new EncodedMessage(messageFormat, nettyBuffer.array(),
            nettyBuffer.arrayOffset() + nettyBuffer.readerIndex(), nettyBuffer.readableBytes());

    return encoded;
}