Example usage for io.netty.buffer ByteBuf resetReaderIndex

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

  1. HOME
  2. Java
  3. io.netty
  4. io.netty.buffer.*
  5. ByteBuf
  6. resetReaderIndex

Introduction

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

Prototype

public abstract ByteBuf resetReaderIndex();

Source Link

Document

Repositions the current readerIndex to the marked readerIndex in this buffer.

Usage

From source file:org.opendaylight.netconf.nettyutil.handler.ssh.client.AsyncSshHandlerWriter.java

License:Open Source License

private static Buffer toBuffer(final ByteBuf msg) {
    // TODO Buffer vs ByteBuf translate, Can we handle that better ?
    msg.resetReaderIndex();
    final byte[] temp = new byte[msg.readableBytes()];
    msg.readBytes(temp, 0, msg.readableBytes());
    return new Buffer(temp);
}

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

License:Open Source License

@Test
public void testLabelUtil() {
    final byte[] expected = { (byte) 0x81, 0x04, 0x01, 0x02, 0x03, 0x04 };
    final ByteBuf out = Unpooled.buffer();
    final ByteBuf body = Unpooled.copiedBuffer(new byte[] { 1, 2, 3, 4 });
    LabelUtil.formatLabel(4, true, true, body, out);
    assertArrayEquals(expected, ByteArray.readAllBytes(out));

    final byte[] ex = { 0, 0x05, 0x01, 0x02, 0x03, 0x04 };
    body.resetReaderIndex();
    LabelUtil.formatLabel(5, null, null, body, out);
    assertArrayEquals(ex, ByteArray.getAllBytes(out));
}

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

License:Open Source License

@Test
public void testXROSubobjectUtil() {
    byte[] expected = { (byte) 0x82, 6, 0, 1, 2, 3 };
    final ByteBuf out = Unpooled.buffer();
    final ByteBuf body = Unpooled.copiedBuffer(new byte[] { 0, 1, 2, 3 });
    body.markReaderIndex();/*w w w  . ja v  a  2s.  com*/
    XROSubobjectUtil.formatSubobject(2, true, body, out);
    assertArrayEquals(expected, ByteArray.getAllBytes(out));

    expected = new byte[] { 2, 6, 0, 1, 2, 3 };
    out.clear();
    body.resetReaderIndex();
    XROSubobjectUtil.formatSubobject(2, false, body, out);
    assertArrayEquals(expected, ByteArray.getAllBytes(out));

    out.clear();
    body.resetReaderIndex();
    XROSubobjectUtil.formatSubobject(2, null, body, out);
    assertArrayEquals(expected, ByteArray.getAllBytes(out));
}

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

License:Open Source License

@Test
public void testEROSubobjectUtil() {
    byte[] expected = { (byte) 0x82, 6, 0, 1, 2, 3 };
    final ByteBuf out = Unpooled.buffer();
    final ByteBuf body = Unpooled.copiedBuffer(new byte[] { 0, 1, 2, 3 });
    body.markReaderIndex();/* w  ww. j  a v  a  2s  . com*/
    EROSubobjectUtil.formatSubobject(2, true, body, out);
    assertArrayEquals(expected, ByteArray.getAllBytes(out));

    expected = new byte[] { 2, 6, 0, 1, 2, 3 };
    out.clear();
    body.resetReaderIndex();
    EROSubobjectUtil.formatSubobject(2, false, body, out);
    assertArrayEquals(expected, ByteArray.getAllBytes(out));
}

From source file:org.opendaylight.sxp.core.messaging.MessageFactory.java

License:Open Source License

/**
 * Decode received message into specific message type
 *
 * @param version Version used for decoding
 * @param request ByteBuf containing data to be decoded
 * @return Decoded message/*from  w  w w  . j  a  v a 2  s  .  c  o  m*/
 * @throws ErrorMessageException          If version Mismatch occurs
 * @throws UnknownSxpMessageTypeException If data contains unsupported message
 * @throws AddressLengthException         If address length of some attribute is incorrect
 * @throws UnknownHostException           If some attribute have incorrect or none address
 * @throws AttributeLengthException       If length of some attribute is incorrect
 * @throws TlvNotFoundException           If Tvl isn't found
 * @throws UnknownPrefixException         If some attribute has incorrect or none Prefix
 * @throws UnknownNodeIdException         If NodeId isn't found or is incorrect
 */
public static Notification parse(Version version, ByteBuf request) throws ErrorMessageException,
        UnknownSxpMessageTypeException, AddressLengthException, UnknownHostException, AttributeLengthException,
        TlvNotFoundException, UnknownPrefixException, UnknownNodeIdException, AttributeVariantException {
    request.resetReaderIndex();
    byte[] headerLength, headerType, payload;
    int messageLength;
    try {
        headerLength = new byte[MESSAGE_HEADER_LENGTH_LENGTH];
        request = request.readBytes(headerLength);

        headerType = new byte[MESSAGE_HEADER_TYPE_LENGTH];
        request = request.readBytes(headerType);

        messageLength = ArraysUtil.bytes2int(headerLength);
        int payloadLength = messageLength
                - (MESSAGE_HEADER_LENGTH_LENGTH + Configuration.getConstants().getMessageHeaderTypeLength());

        payload = new byte[payloadLength];
        request = request.readBytes(payload);
    } catch (IndexOutOfBoundsException | NegativeArraySizeException e) {
        throw new ErrorMessageException(ErrorCode.MessageHeaderError, e);
    }

    validate(headerLength.length + headerType.length, payload.length, messageLength);
    return decode(version, headerType, payload);
}

From source file:org.opendaylight.sxp.core.messaging.MessageFactory.java

License:Open Source License

/**
 * @param message Notification to be proceed
 * @return Gets String representation of ByteBuf
 *///w  w w  .j a va  2  s . co m
public static String toString(ByteBuf message) {
    message.resetReaderIndex();
    byte[] _message = new byte[message.readableBytes()];
    message.readBytes(_message);
    message.resetReaderIndex();
    return toString(_message);
}

From source file:org.quartzpowered.network.codec.FrameCodec.java

License:Open Source License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
    // check for length field readability
    in.markReaderIndex();//from  w w  w  .j  a v  a  2 s .c o  m
    if (!readableVarInt(in)) {
        return;
    }

    // check for contents readability
    Buffer buffer = new Buffer(in);
    int length = buffer.readVarInt();
    if (in.readableBytes() < length) {
        in.resetReaderIndex();
        return;
    }

    // read contents into buf
    out.add(in.readBytes(length));
}

From source file:org.ratpackframework.groovy.templating.internal.TemplateParser.java

License:Apache License

public void parse(ByteBuf input, ByteBuf output) throws IOException {
    startScript(output);//from   ww  w.j  av a 2  s. c  o m
    byte c;
    while (input.isReadable()) {
        c = input.readByte();
        if (c == '<') {
            input.markReaderIndex();
            c = input.readByte();
            if (c != '%') {
                output.writeBytes(LESS_THAN);
                input.resetReaderIndex();
            } else {
                input.markReaderIndex();
                c = input.readByte();
                if (c == '=') {
                    groovyExpression(input, output);
                } else {
                    input.resetReaderIndex();
                    groovySection(input, output);
                }
            }
            continue; // at least '<' is consumed ... read next chars.
        }
        if (c == '$') {
            input.markReaderIndex();
            c = input.readByte();
            if (c != '{') {
                output.writeBytes(DOLLAR);
                input.resetReaderIndex();
            } else {
                input.markReaderIndex();
                processGSstring(input, output);
            }
            continue; // at least '$' is consumed ... read next chars.
        }
        if (c == '\"') {
            output.writeBytes(BACKSLASH);
        }

        // Handle raw new line characters.
        if (c == '\n' || c == '\r') {
            if (c == '\r') { // on Windows, "\r\n" is a new line.
                input.markReaderIndex();
                c = input.readByte();
                if (c != '\n') {
                    input.resetReaderIndex();
                }
            }
            output.writeByte('\n');
            continue;
        }
        output.writeByte(c);
    }

    endScript(output);
}

From source file:org.ratpackframework.http.internal.DefaultRequest.java

License:Apache License

@Override
public void writeBodyTo(OutputStream destination) throws IOException {
    ByteBuf buffer = getBuffer();
    buffer.resetReaderIndex();
    buffer.readBytes(destination, buffer.writerIndex());
}

From source file:org.royaldev.enterprise.proxy.ProxyBackendHandler.java

License:Apache License

@Override
public void channelRead(final ChannelHandlerContext ctx, Object msg) throws Exception {
    this.showHierarchy(msg.getClass());
    if (msg instanceof ByteBuf) {
        final ByteBuf bf = (ByteBuf) msg;
        /*final GenericPacket gp = new GenericPacket(bf);
        switch (gp.getID()) {/*  w ww.j  a v a  2 s  . c  om*/
        case PacketType.Server.CHAT:
            final ServerPacket04Chat spc = new ServerPacket04Chat(gp);
            break;
        }*/
        bf.resetReaderIndex();
    }
    inboundChannel.writeAndFlush(msg).addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture future) throws Exception {
            if (future.isSuccess())
                ctx.channel().read();
            else
                future.channel().close();
        }
    });
}