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:net.tomp2p.storage.AlternativeCompositeByteBuf.java

License:Apache License

@Override
public ByteBuf readBytes(ByteBuf dst, int length) {
    if (length > dst.writableBytes()) {
        throw new IndexOutOfBoundsException(String.format(
                "length(%d) exceeds dst.writableBytes(%d) where dst is: %s", length, dst.writableBytes(), dst));
    }/*  w w w. j av  a2  s  .com*/
    readBytes(dst, dst.writerIndex(), length);
    dst.writerIndex(dst.writerIndex() + length);
    return this;
}

From source file:nettyClient4.clientImpl.java

License:Apache License

private ByteBuf getWriteBuffer(int arg1, int arg2, ByteBuf buffer, Object... paras) {
    if (buffer == null) {
        buffer = PooledByteBufAllocator.DEFAULT.heapBuffer(10);
    }/*from  www.  j av a 2  s  .  co m*/
    buffer.writeShort(Short.MIN_VALUE);//?2
    buffer.writeByte(arg1);
    if (arg2 != 0)
        buffer.writeByte(arg2);
    for (Object para : paras) {
        if (para instanceof Byte) {
            buffer.writeByte((Byte) para); // ?1
        } else if ((para instanceof String)) {
            buffer.writeBytes(((String) para).getBytes());
        } else if (para instanceof Integer) {
            buffer.writeInt((Integer) para); //?4
        } else if (para instanceof Short) {
            buffer.writeShort((Short) para); //?2
        }
    }
    /**?2setShort*/
    buffer.setShort(0, buffer.writerIndex() - 0x2);
    return buffer;
}

From source file:nl.thijsalders.spigotproxy.haproxy.HAProxyMessageDecoder.java

License:Apache License

/**
 * Returns the index in the buffer of the end of line found.
 * Returns -1 if no end of line was found in the buffer.
 *//*from  w w w. j a  va2 s  . c  o  m*/
private static int findEndOfLine(final ByteBuf buffer) {
    final int n = buffer.writerIndex();
    for (int i = buffer.readerIndex(); i < n; i++) {
        final byte b = buffer.getByte(i);
        if (b == '\r' && i < n - 1 && buffer.getByte(i + 1) == '\n') {
            return i; // \r\n
        }
    }
    return -1; // Not found.
}

From source file:org.apache.activemq.artemis.core.io.mapped.MappedSequentialFile.java

License:Apache License

@Override
public void write(ActiveMQBuffer bytes, boolean sync, IOCallback callback) throws IOException {
    if (callback == null) {
        throw new NullPointerException("callback parameter need to be set");
    }/*from w ww  .  j  a  v a  2s .c o  m*/
    checkIsOpen(callback);
    try {
        final ByteBuf byteBuf = bytes.byteBuf();
        final int writerIndex = byteBuf.writerIndex();
        final int readerIndex = byteBuf.readerIndex();
        final int readableBytes = writerIndex - readerIndex;
        if (readableBytes > 0) {
            this.mappedFile.write(byteBuf, readerIndex, readableBytes);
            if (factory.isDatasync() && sync) {
                this.mappedFile.force();
            }
        }
        callback.done();
    } catch (IOException e) {
        if (this.criticalErrorListener != null) {
            this.criticalErrorListener.onIOException(new ActiveMQIOErrorException(e.getMessage(), e),
                    e.getMessage(), this);
        }
        callback.onError(ActiveMQExceptionType.IO_ERROR.getCode(), e.getMessage());
        throw e;
    }
}

From source file:org.apache.activemq.artemis.core.io.mapped.MappedSequentialFile.java

License:Apache License

@Override
public void write(ActiveMQBuffer bytes, boolean sync) throws IOException {
    checkIsOpen();//from  w w  w .j  av a 2  s .  com
    final ByteBuf byteBuf = bytes.byteBuf();
    final int writerIndex = byteBuf.writerIndex();
    final int readerIndex = byteBuf.readerIndex();
    final int readableBytes = writerIndex - readerIndex;
    if (readableBytes > 0) {
        this.mappedFile.write(byteBuf, readerIndex, readableBytes);
        if (factory.isDatasync() && sync) {
            this.mappedFile.force();
        }
    }
}

From source file:org.apache.activemq.artemis.core.message.impl.CoreMessage.java

License:Apache License

/**
 * Recast the message as an 1.4 message/*w w w  .  ja v  a2s. co  m*/
 */
@Override
public void sendBuffer_1X(ByteBuf sendBuffer) {
    checkEncode();
    ByteBuf tmpBuffer = buffer.duplicate();
    sendBuffer.writeInt(endOfBodyPosition + DataConstants.SIZE_INT);
    tmpBuffer.readerIndex(DataConstants.SIZE_INT);
    tmpBuffer.readBytes(sendBuffer, endOfBodyPosition - BUFFER_HEADER_SPACE);
    sendBuffer.writeInt(tmpBuffer.writerIndex() + DataConstants.SIZE_INT + BUFFER_HEADER_SPACE);
    tmpBuffer.readBytes(sendBuffer, tmpBuffer.readableBytes());
    sendBuffer.readerIndex(0);
}

From source file:org.apache.activemq.artemis.core.message.impl.CoreMessage.java

License:Apache License

public void encodeHeadersAndProperties(final ByteBuf buffer) {
    checkProperties();/*from   w  w w . j  a  v  a2 s  . c om*/
    messageIDPosition = buffer.writerIndex();
    buffer.writeLong(messageID);
    SimpleString.writeNullableSimpleString(buffer, address);
    if (userID == null) {
        buffer.writeByte(DataConstants.NULL);
    } else {
        buffer.writeByte(DataConstants.NOT_NULL);
        buffer.writeBytes(userID.asBytes());
    }
    buffer.writeByte(type);
    buffer.writeBoolean(durable);
    buffer.writeLong(expiration);
    buffer.writeLong(timestamp);
    buffer.writeByte(priority);
    properties.encode(buffer);
}

From source file:org.apache.activemq.artemis.core.protocol.core.impl.PacketImpl.java

License:Apache License

protected ByteBuf copyMessageBuffer(ByteBuf buffer, int skipBytes) {

    ByteBuf newNettyBuffer = Unpooled.buffer(buffer.capacity() - PACKET_HEADERS_SIZE - skipBytes);

    int read = buffer.readerIndex();
    int writ = buffer.writerIndex();
    buffer.readerIndex(PACKET_HEADERS_SIZE);

    newNettyBuffer.writeBytes(buffer, buffer.readableBytes() - skipBytes);
    buffer.setIndex(read, writ);//from   w w w  .  ja  v a 2  s.  com
    newNettyBuffer.setIndex(0, writ - PACKET_HEADERS_SIZE - skipBytes);

    return newNettyBuffer;
}

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

License:Apache License

public void onTransport(ByteBuf byteBuf, AMQPConnectionContext amqpConnection) {
    final int size = byteBuf.writerIndex();

    latch.countUp();/*from   ww w. j a  v a2s  .  co m*/
    connection.write(new ChannelBufferWrapper(byteBuf, true), false, false, new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture future) throws Exception {
            latch.countDown();
        }
    });

    if (amqpConnection.isSyncOnFlush()) {
        try {
            latch.await(5, TimeUnit.SECONDS);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    amqpConnection.outputDone(size);
}

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));
    }//ww w . jav a2s . c o 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();
            }
        }
    });
}