Example usage for io.netty.buffer ByteBuf readInt

Introduction

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

Prototype

public abstract int readInt();

Source Link

Document

Gets a 32-bit integer at the current readerIndex and increases the readerIndex by 4 in this buffer.

Usage

From source file:com.friz.owari.network.codec.ExchangeDecoder.java

License:Open Source License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
    if (!in.isReadable())
        return;//from www .  ja  v  a 2  s .c  o m

    int len = in.readInt();
    byte[] enc = new byte[len];
    in.readBytes(enc);

    out.add(new ExchangeRecieveEvent(enc));
}

From source file:com.friz.owari.network.codec.PatchDecoder.java

License:Open Source License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
    if (!in.isReadable())
        return;/*from  w w w .j  a  va2 s  .c o  m*/

    int length = in.readUnsignedShort();
    byte[] path = new byte[length];
    in.readBytes(path);

    int size = in.readInt();
    byte[] bytes = new byte[size];
    in.readBytes(bytes);

    out.add(new PatchEvent(new String(path), bytes));
}

From source file:com.friz.owari.network.codec.PatchInitDecoder.java

License:Open Source License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
    if (!in.isReadable())
        return;//from ww  w  .  j a  v  a 2s .  c o  m

    int count = in.readInt();
    long size = in.readLong();
    out.add(new PatchInitEvent(count, size));
}

From source file:com.friz.update.network.codec.UpdateDecoder.java

License:Open Source License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf buffer, List<Object> out) throws Exception {
    if (!buffer.isReadable(6))
        return;/*from  w w  w.ja v  a  2 s .c  o  m*/

    int opcode = buffer.readUnsignedByte();
    if (opcode == 0 || opcode == 1) {
        int type = buffer.readUnsignedByte();
        int file = buffer.readInt();
        out.add(new FileRequestEvent(opcode == 1, type, file));
    } else if (opcode == 4) {
        int key = buffer.readUnsignedByte();
        buffer.readerIndex(buffer.readerIndex() + 4);
        out.add(new XorRequestEvent(key));
    } else {
        buffer.readerIndex(buffer.readerIndex() + 5);
    }
}

From source file:com.friz.update.network.codec.UpdateInitDecoder.java

License:Open Source License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf buf, List<Object> out) throws Exception {
    int type = buf.readUnsignedByte();
    int size = buf.readUnsignedByte();

    if (!buf.isReadable(size))
        return;/*from ww w. j a va  2  s.  c om*/

    int version = buf.readInt();
    int subVersion = buf.readInt();
    String key = BufferUtils.getString(buf);
    int langId = buf.readUnsignedByte();
    out.add(new UpdateRequestEvent(type, version, subVersion, key, langId));
}

From source file:com.github.milenkovicm.kafka.protocol.Convert.java

License:Apache License

public static int decodeInteger(ByteBuf buf) {
    return buf.readInt();
}

From source file:com.github.pgasync.impl.netty.ByteBufMessageDecoder.java

License:Apache License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
    if (in.readableBytes() == 0) {
        return;/*from w  w w . ja va  2s.c o  m*/
    }

    byte id = in.readByte();
    int length = in.readInt();

    Decoder<?> decoder = DECODERS.get(id);
    try {
        if (decoder != null) {
            ByteBuffer buffer = in.nioBuffer();
            out.add(decoder.read(buffer));
            in.skipBytes(buffer.position());
        } else {
            in.skipBytes(length - 4);
        }
    } catch (Throwable t) {
        // broad catch as otherwise the exception is silently dropped
        ctx.fireExceptionCaught(t);
    }
}

From source file:com.github.spapageo.jannel.channel.ChannelBufferUtils.java

License:Open Source License

/**
 * Reads a new octet string from the byte buffer using the UTF-8 encoding
 * @param byteBuffer the bytes to read the string from
 * @param charset    the charset to use in order to decode the string
 * @return the created string//from   w  w w . j a v  a2  s. c o  m
 */
@Nonnull
public static String readOctetStringToString(ByteBuf byteBuffer, Charset charset) {

    if (byteBuffer.readableBytes() < 4)
        throw new NotEnoughDataDecoderException("Not enough bytes to read the octet string size");

    int stringSize = byteBuffer.readInt();

    checkOctetStringSize(byteBuffer, stringSize);

    if (stringSize == -1)
        return EMPTY_STRING;

    return byteBuffer.readSlice(stringSize).toString(charset);
}

From source file:com.github.spapageo.jannel.channel.ChannelBufferUtils.java

License:Open Source License

/**
 * Read a 4 byte integer from the byte buffer
 * @param byteBuffer the bytes to read from
 * @return the integer//from   w w  w .  j ava  2  s  . c o  m
 */
public static int readInt(ByteBuf byteBuffer) {
    if (byteBuffer.readableBytes() < 4)
        throw new NotEnoughDataDecoderException("Not enough bytes to read the integer");

    return byteBuffer.readInt();
}

From source file:com.github.spapageo.jannel.channel.ChannelBufferUtils.java

License:Open Source License

/**
 * Reads a data segment from the byte buffer
 * @param byteBuffer the bytes to read from
 * @return the data segment//from   w w w .j a  va  2  s.  co m
 */
@Nonnull
public static ByteBuf readOctetStringToBytes(ByteBuf byteBuffer) {
    if (byteBuffer.readableBytes() < 4)
        throw new NotEnoughDataDecoderException("Not enough bytes to read the octet string size");

    int dataSize = byteBuffer.readInt();

    if (dataSize == -1)
        return Unpooled.EMPTY_BUFFER;

    checkOctetStringSize(byteBuffer, dataSize);

    return byteBuffer.readBytes(dataSize);
}