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.dinstone.jrpc.transport.netty4.TransportProtocolDecoder.java

License:Apache License

private byte[] readFrame(ByteBuf in) {
    if (in.readableBytes() > 4) {
        in.markReaderIndex();// w  w w  .j  av a 2  s .co m
        int len = in.readInt();
        if (len > maxObjectSize) {
            throw new IllegalStateException(
                    "The encoded object is too big: " + len + " (> " + maxObjectSize + ")");
        } else if (len < 1) {
            throw new IllegalStateException("The encoded object is too small: " + len + " (< 1)");
        }

        if (in.readableBytes() < len) {
            in.resetReaderIndex();
            return null;
        }

        byte[] rpcBytes = new byte[len];
        in.readBytes(rpcBytes);
        return rpcBytes;
    }

    return null;
}

From source file:com.dinstone.rpc.netty.RpcProtocolDecoder.java

License:Apache License

private byte[] readFrame(ByteBuf in) {
    int remaining = in.readableBytes();
    if (remaining < 4) {
        return null;
    }// ww  w .j a  va 2s  . c  o  m

    int objectSize = in.getInt(0);
    if (objectSize > maxObjectSize) {
        throw new IllegalArgumentException(
                "The encoded object is too big: " + objectSize + " (> " + maxObjectSize + ')');
    }

    if (remaining - 4 >= objectSize) {
        objectSize = in.readInt();
        // RPC object size
        byte[] rpcBytes = new byte[objectSize];
        in.readBytes(rpcBytes);
        return rpcBytes;
    }
    return null;
}

From source file:com.doctor.netty5.example.factorial_algorithm.BigIntegerDecoder.java

License:Apache License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) throws Exception {
    // ? ?F +  +  -> 1 + 4 + ??
    // ??///  ww  w  . j av a 2 s.c o m
    if (in.readableBytes() < 5) {
        return; // F + 
    }

    in.markReaderIndex();
    short magicNumber = in.readUnsignedByte();// ?F
    if (magicNumber != 'F') {
        in.resetReaderIndex();
        throw new RuntimeException("magicNumber must be 'F' ");
    }

    // ???
    int dataLength = in.readInt();

    if (in.readableBytes() < dataLength) {
        in.resetReaderIndex();
        return;
    }

    byte[] data = new byte[dataLength];
    in.readBytes(data);
    out.add(new BigInteger(data));
}

From source file:com.dwarf.netty.guide.factorial.BigIntegerDecoder.java

License:Apache License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf in, List<Object> out) {
    // Wait until the length prefix is available.
    if (in.readableBytes() < 5) {
        return;/*  w  w  w.j av  a 2 s  . c om*/
    }

    in.markReaderIndex();

    // Check the magic number.
    int magicNumber = in.readUnsignedByte();
    if (magicNumber != 'F') {
        in.resetReaderIndex();
        throw new CorruptedFrameException("Invalid magic number: " + magicNumber);
    }

    // Wait until the whole data is available.
    int dataLength = in.readInt();
    if (in.readableBytes() < dataLength) {
        in.resetReaderIndex();
        return;
    }

    // Convert the received data into a new BigInteger.
    byte[] decoded = new byte[dataLength];
    in.readBytes(decoded);

    out.add(new BigInteger(decoded));
}

From source file:com.eagle.adventurersalchemy.tile.TileEntityAlchemicalFire.java

License:Open Source License

@Override
public void readFromByteBuff(ByteBuf buf) {
    fireColor = buf.readInt();
}

From source file:com.eagle.resonantreflux.networking.MessageChamber.java

License:Open Source License

@Override
public void fromBytes(ByteBuf buf) {
    x = buf.readInt();
    y = buf.readInt();//w  w  w.  j av  a 2 s .  c  o m
    z = buf.readInt();
    progress = buf.readInt();
    multiplier = buf.readInt();
    multiplierDuration = buf.readInt();
    powerStored = buf.readInt();
    powerMax = buf.readInt();
}

From source file:com.eightkdata.mongowp.bson.netty.DefaultNettyBsonLowLevelReader.java

License:Open Source License

@Override
BsonArray readArray(@Loose @ModifiesIndexes ByteBuf byteBuf) throws NettyBsonReaderException {
    int length = byteBuf.readInt();
    int significantLenght = length - 4 - 1;

    ByteBuf significantSlice = byteBuf.readSlice(significantLenght);

    byte b = byteBuf.readByte();
    assert b == 0x00;

    ArrayList<BsonValue<?>> list = new ArrayList<>();
    while (significantSlice.readableBytes() > 0) {
        list.add(readArrayEntry(significantSlice));
    }/*  ww w .j a va  2s . co  m*/
    return new ListBsonArray(list);
}

From source file:com.eightkdata.mongowp.bson.netty.DefaultNettyBsonLowLevelReader.java

License:Open Source License

@Override
BsonBinary readBinary(@Loose @ModifiesIndexes ByteBuf byteBuf) {
    int length = byteBuf.readInt();
    byte subtype = byteBuf.readByte();
    byte[] content = new byte[length];

    byteBuf.readBytes(content);/* w w  w .  j ava2  s.  c o  m*/

    return new ByteArrayBsonBinary(ParsingTools.getBinarySubtype(subtype), subtype, content);
}

From source file:com.eightkdata.mongowp.bson.netty.DefaultNettyBsonLowLevelReader.java

License:Open Source License

@Override
BsonDocument readDocument(@Loose @ModifiesIndexes ByteBuf byteBuf) throws NettyBsonReaderException {
    int length = byteBuf.readInt();
    int significantLenght = length - 4 - 1;

    ByteBuf significantSlice = byteBuf.readSlice(significantLenght);

    byte b = byteBuf.readByte();
    assert b == 0x00;

    LinkedHashMap<String, BsonValue<?>> values = new LinkedHashMap<>();
    while (significantSlice.readableBytes() > 0) {
        Entry<?> entry = readDocumentEntry(significantSlice);
        values.put(entry.getKey(), entry.getValue());
    }// w  ww .java  2  s  .c om
    return new MapBasedBsonDocument(values);
}

From source file:com.eightkdata.mongowp.bson.netty.DefaultNettyBsonLowLevelReader.java

License:Open Source License

@Override
BsonInt32 readInt32(@Loose @ModifiesIndexes ByteBuf byteBuf) {
    return PrimitiveBsonInt32.newInstance(byteBuf.readInt());
}