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:io.datty.msgpack.core.MapMessageWriter.java

License:Apache License

@Override
public int skipHeader(int maxSize, ByteBuf sink) {
    int headerIndex = sink.writerIndex();
    int headerSize = getMapHeaderSize(maxSize);
    for (int i = 0; i != headerSize; ++i) {
        sink.writeByte(0);/* ww w  .ja  va  2  s .  c  om*/
    }
    return headerIndex;
}

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

License:Apache License

@Override
public void writeHeader(int mapSize, int maxSize, int headerIndex, ByteBuf sink) {
    int checkpoint = sink.writerIndex();
    sink.writerIndex(headerIndex);/*from  w  ww .jav  a2 s.  com*/
    writeMapHeader(mapSize, maxSize, sink);
    sink.writerIndex(checkpoint);
}

From source file:io.gatling.http.client.body.multipart.impl.MultipartChunkedInput.java

License:Apache License

@Override
public ByteBuf readChunk(ByteBufAllocator alloc) throws Exception {

    if (endOfInput) {
        return null;
    }// ww w.j  a  v a 2 s.  c om

    ByteBuf buffer = alloc.buffer(chunkSize);
    ChunkedInputState state = copyInto(buffer);
    progress += buffer.writerIndex();
    switch (state) {
    case STOP:
        endOfInput = true;
        return buffer;
    case SUSPEND:
        // this will suspend the stream in ChunkedWriteHandler
        buffer.release();
        return null;
    case CONTINUE:
        return buffer;
    default:
        throw new IllegalStateException("Unknown state: " + state);
    }
}

From source file:io.github.stormcloud_dev.stormcloud.seralization.RORObjectDecoder.java

License:Apache License

private Object readNextObject(ByteBuf buf) {

    if (buf.readableBytes() < 12) {
        return null;
    }// w  ww. ja  v a2 s.  c  o m

    byte[] header = new byte[8];
    buf.readBytes(8).readBytes(header);

    //Handshake header
    if (Arrays.equals(header, new byte[] { -66, -70, -2, -54, 11, -80, -83, -34 })) {
        if (buf.readableBytes() >= 8) {
            buf.readBytes(8); //We read the rest of the handshake packet
            //Contains the length (inclusive the header) and 2 unknown numbers
            return new HandshakeFrame();
        } else {
            return null;
        }
    }

    int length = buf.readByte();
    buf.readBytes(3);
    byte id = buf.readByte();

    if (id != 16) {
        int readerIndex = buf.readerIndex(), writerIndex = buf.writerIndex();
        byte[] bytes = new byte[buf.readableBytes()];
        buf.readBytes(buf.readableBytes()).readBytes(bytes);
        buf.setIndex(readerIndex, writerIndex);
        // Print packets - debugging purposes
        //System.out.println("ID: " + id + " - " + Arrays.toString(bytes));
    }

    switch (id) {
    case 0:
        //if (length < 39) return null;
        return new PositionInfoServerBoundFrame(buf.readDouble(), buf.readDouble(), buf.readByte(),
                buf.readByte(), buf.readByte(), buf.readByte(), buf.readByte(), buf.readByte());
    case 1:
        return new SetReadyServerBoundFrame(buf.readByte());
    case 2:
        return new SetPlayerServerBoundFrame(buf.readDouble(), buf.readDouble(), readString(buf));
    case 3:
        return new AddPlayerServerBoundFrame(buf.readDouble(), buf.readDouble(), buf.readDouble(),
                buf.readInt(), buf.readInt(), readString(buf));
    case 4:
        return new ChatPlayerServerBoundFrame(readString(buf));
    case 5:
        return new UpdatePlayerServerBoundFrame(buf.readInt(), buf.readDouble(), buf.readDouble(),
                readString(buf));
    case 6:
        return new KeyPlayerServerBoundFrame(buf.readShort(), buf.readShort(), buf.readByte(), buf.readByte(),
                buf.readByte(), buf.readByte(), buf.readShort(), buf.readByte());
    case 7:
        return new HealPlayerServerBoundFrame(buf.readDouble(), buf.readDouble(), buf.readDouble(),
                buf.readDouble());
    case 8:
        return new NPCHPServerBoundFrame(buf.readDouble(), buf.readDouble(), buf.readDouble(), buf.readShort(),
                buf.readShort(), buf.readShort());
    case 9:
        return new MDeadServerBoundFrame();
    case 10:
        return new NPCTargetServerBoundFrame(buf.readDouble(), buf.readDouble(), buf.readInt(), buf.readShort(),
                buf.readByte());
    case 11:
        return new KeyMonsterServerBoundFrame(buf.readDouble(), buf.readDouble(), buf.readByte(),
                buf.readByte(), buf.readByte(), buf.readByte(), buf.readShort());
    case 12:
        return new CreateObjectServerBoundFrame(buf.readDouble(), buf.readDouble(), buf.readDouble());
    case 13:
        return new CreateLevelObjectServerBoundFrame(buf.readDouble(), buf.readDouble(), buf.readDouble(),
                buf.readDouble(), buf.readInt());
    case 14:
        return new SyncAlarmServerBoundFrame(buf.readDouble(), buf.readDouble(), buf.readDouble(),
                buf.readDouble(), buf.readInt());
    case 15:
        return new SpawnClassicServerBoundFrame(buf.readShort(), buf.readDouble(), buf.readDouble(),
                buf.readByte(), buf.readShort(), buf.readShort(), buf.readShort());
    case 16:
        return new LagPlayerServerBoundFrame(readString(buf));
    case 17:
        return new DisPlayerServerBoundFrame();
    case 18:
        return new TransportServerBoundFrame(buf.readDouble(), buf.readDouble(), buf.readDouble(),
                buf.readDouble(), buf.readDouble(), buf.readByte());
    case 19:
        return new ActivateObjectServerBoundFrame(buf.readDouble(), buf.readDouble(), buf.readShort(),
                buf.readShort(), buf.readByte(), buf.readByte());
    case 20:
        return new SpawnItemServerBoundFrame(buf.readDouble(), buf.readDouble(), buf.readInt());
    case 21:
        return new SyncVarServerBoundFrame(buf.readDouble());
    case 22:
        return new SpawnBossServerBoundFrame(buf.readDouble(), buf.readDouble(), buf.readByte(),
                buf.readDouble());
    case 23:
        return new SpawnClassicBossServerBoundFrame(buf.readDouble(), buf.readDouble(), buf.readInt(),
                buf.readInt(), buf.readDouble(), buf.readByte(), buf.readShort(), buf.readShort(),
                buf.readShort(), buf.readDouble());
    case 24:
        return new LevelUpServerBoundFrame();
    case 25:
        return new ItemPickupServerBoundFrame(buf.readInt(), buf.readByte());
    case 26:
        return new ChatSystemServerBoundFrame(buf.readByte(), readString(buf));
    case 27:
        return new TestServerBoundFrame();
    case 28:
        return new ItemSwapServerBoundFrame();
    case 29:
        return readItemProcFrame(buf);
    case 30:
        return new ShrineProcServerBoundFrame(buf.readByte());
    case 31:
        return new SpawnDroneServerBoundFrame(buf.readShort(), buf.readShort(), buf.readShort(),
                buf.readShort(), buf.readShort(), buf.readShort(), buf.readShort());
    case 32:
        return new SetPriceServerBoundFrame(buf.readShort(), buf.readShort());
    case 33:
        return new CreateChestServerBoundFrame();
    case 34:
        return new UpdateBuffsServerBoundFrame(buf.readDouble(), buf.readShort(), buf.readShort());
    case 35:
        return new SpawnImpmServerboundFrame(buf.readShort(), buf.readShort(), buf.readShort(), buf.readByte(),
                buf.readByte());
    case 36:
        return new UpdateChest4ServerBoundFrame(buf.readShort());
    case 37:
        return new EliteTeleportServerBoundFrame(buf.readShort(), buf.readShort());
    case 38:
        return new UpdateHpServerBoundFrame(buf.readShort());
    case 39:
        return new UpdateDiffServerBoundFrame(buf.readByte(), buf.readByte(), buf.readByte(), buf.readByte(),
                buf.readByte(), buf.readByte(), buf.readByte(), buf.readByte(), buf.readByte(), buf.readByte(),
                buf.readByte(), buf.readByte());
    case 40:
        return new SpawnGhostServerBoundFrame(buf.readShort(), buf.readShort(), buf.readFloat(),
                buf.readFloat());
    case 41:
        return new StopTimeServerBoundFrame(buf.readShort());
    case 42:
        return new LandLizardServerBoundFrame(buf.readShort(), buf.readShort());
    case 43:
        return new DestroyObjectServerBoundFrame();
    case 44:
        return new CreateSlimeServerBoundFrame(buf.readShort(), buf.readShort(), buf.readFloat(),
                buf.readShort(), buf.readShort(), buf.readShort(), buf.readByte(), buf.readShort(),
                buf.readDouble());
    case 45:
        return new CrewChoiceServerBoundFrame(buf.readShort());
    case 46:
        return new CreateItemServerBoundFrame(buf.readShort(), buf.readShort(), buf.readShort());
    case 47:
        return new ActivateSwitchServerBoundFrame(buf.readShort(), buf.readShort());
    default:
        return null;
    }
}

From source file:io.github.stormcloud_dev.stormcloud.seralization.RORObjectEncoder.java

License:Apache License

@Override
protected void encode(ChannelHandlerContext ctx, Frame frame, ByteBuf buf) throws Exception {
    buf.writeBytes(new byte[] { -34, -64, -83, -34, 12, 0, 0, 0 }); // GM:Studio header

    //System.out.println("ENCODING: " + frame.getClass().getSimpleName());
    try {/*from w w  w.ja v  a2s .  co m*/
        frame.writeData(buf.order(LITTLE_ENDIAN)); // frame data - dependent on frame
    } catch (Exception exception) {
        exception.printStackTrace();
    }

    if (!(frame instanceof TestClientBoundFrame) && !(frame instanceof LagPlayerClientBoundFrame)) {
        int readerIndex = buf.readerIndex(), writerIndex = buf.writerIndex();
        byte[] bytes = new byte[buf.readableBytes()];
        buf.readBytes(buf.readableBytes()).readBytes(bytes);
        buf.setIndex(readerIndex, writerIndex);
        // Print packets - debugging purposes
        //System.out.println("SEND " + frame.getClass().getSimpleName() + " TO " + ctx.channel().remoteAddress() + " - " + Arrays.toString(bytes));
    }

}

From source file:io.grpc.alts.internal.AltsChannelCrypter.java

License:Apache License

@Override
public void encrypt(ByteBuf outBuf, List<ByteBuf> plainBufs) throws GeneralSecurityException {
    checkArgument(outBuf.nioBufferCount() == 1);
    // Copy plaintext buffers into outBuf for in-place encryption on single direct buffer.
    ByteBuf plainBuf = outBuf.slice(outBuf.writerIndex(), outBuf.writableBytes());
    plainBuf.writerIndex(0);/*from   ww  w.  ja  va 2s.com*/
    for (ByteBuf inBuf : plainBufs) {
        plainBuf.writeBytes(inBuf);
    }

    verify(outBuf.writableBytes() == plainBuf.readableBytes() + TAG_LENGTH);
    ByteBuffer out = outBuf.internalNioBuffer(outBuf.writerIndex(), outBuf.writableBytes());
    ByteBuffer plain = out.duplicate();
    plain.limit(out.limit() - TAG_LENGTH);

    byte[] counter = incrementOutCounter();
    int outPosition = out.position();
    aeadCrypter.encrypt(out, plain, counter);
    int bytesWritten = out.position() - outPosition;
    outBuf.writerIndex(outBuf.writerIndex() + bytesWritten);
    verify(!outBuf.isWritable());
}

From source file:io.grpc.alts.internal.AltsChannelCrypter.java

License:Apache License

@Override
public void decrypt(ByteBuf out, ByteBuf tag, List<ByteBuf> ciphertextBufs) throws GeneralSecurityException {

    ByteBuf cipherTextAndTag = out.slice(out.writerIndex(), out.writableBytes());
    cipherTextAndTag.writerIndex(0);//from www  . j a  va2 s. c om

    for (ByteBuf inBuf : ciphertextBufs) {
        cipherTextAndTag.writeBytes(inBuf);
    }
    cipherTextAndTag.writeBytes(tag);

    decrypt(out, cipherTextAndTag);
}

From source file:io.grpc.alts.internal.AltsChannelCrypter.java

License:Apache License

@Override
public void decrypt(ByteBuf out, ByteBuf ciphertextAndTag) throws GeneralSecurityException {
    int bytesRead = ciphertextAndTag.readableBytes();
    checkArgument(bytesRead == out.writableBytes());

    checkArgument(out.nioBufferCount() == 1);
    ByteBuffer outBuffer = out.internalNioBuffer(out.writerIndex(), out.writableBytes());

    checkArgument(ciphertextAndTag.nioBufferCount() == 1);
    ByteBuffer ciphertextAndTagBuffer = ciphertextAndTag.nioBuffer(ciphertextAndTag.readerIndex(), bytesRead);

    byte[] counter = incrementInCounter();
    int outPosition = outBuffer.position();
    aeadCrypter.decrypt(outBuffer, ciphertextAndTagBuffer, counter);
    int bytesWritten = outBuffer.position() - outPosition;
    out.writerIndex(out.writerIndex() + bytesWritten);
    ciphertextAndTag.readerIndex(out.readerIndex() + bytesRead);
    verify(out.writableBytes() == TAG_LENGTH);
}

From source file:io.grpc.alts.internal.AltsTsiFrameProtector.java

License:Apache License

private static ByteBuf writeSlice(ByteBuf in, int len) {
    checkArgument(len <= in.writableBytes());
    ByteBuf out = in.slice(in.writerIndex(), len);
    in.writerIndex(in.writerIndex() + len);
    return out.writerIndex(0);
}

From source file:io.grpc.alts.internal.BufUnwrapper.java

License:Apache License

/**
 * Called to get access to the underlying NIO buffers for a {@link ByteBuf} that will be used for
 * writing./*from w w  w.j a  v a2  s .  c  o  m*/
 */
ByteBuffer[] writableNioBuffers(ByteBuf buf) {
    // Set the writer index to the capacity to guarantee that the returned NIO buffers will have
    // the capacity available.
    int readerIndex = buf.readerIndex();
    int writerIndex = buf.writerIndex();
    buf.readerIndex(writerIndex);
    buf.writerIndex(buf.capacity());

    try {
        return nioBuffers(buf, singleWriteBuffer);
    } finally {
        // Restore the writer index before returning.
        buf.readerIndex(readerIndex);
        buf.writerIndex(writerIndex);
    }
}