Example usage for io.netty.buffer ByteBuf capacity

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

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Introduction

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

Prototype

public abstract int capacity();

Source Link

Document

Returns the number of bytes (octets) this buffer can contain.

Usage

From source file:ru.calypso.ogar.server.net.PacketDecoder.java

License:Open Source License

@Override
protected void decode(ChannelHandlerContext ctx, WebSocketFrame frame, List<Object> out) throws Exception {
    ByteBuf buf = frame.content().order(ByteOrder.LITTLE_ENDIAN);
    if (buf.capacity() < 1) {
        // Discard empty messages
        return;//from   w w  w .j  a  v a 2 s . c  om
    }

    buf.resetReaderIndex();
    int packetId = buf.readUnsignedByte();
    Packet packet = PacketRegistry.CLIENT2SERVER.constructPacket(packetId);

    if (packet == null) {
        _log.info("Unknown packet ID: " + packetId + ", user disconected!");
        ctx.disconnect();
        return;
    }

    Log.logDebug("Received packet ID " + packetId + " (" + packet.getClass().getSimpleName() + ") from "
            + ctx.channel().remoteAddress());

    packet.readData(buf);
    out.add(packet);
}

From source file:sas.systems.imflux.test.packet.rtcp.SdesChunkItemsTest.java

License:Apache License

@Test
public void testEncodeNull() throws Exception {
    ByteBuf buffer = SdesChunkItems.encode(SdesChunkItems.NULL_ITEM);
    assertEquals(1, buffer.capacity());
    assertEquals(0x00, buffer.array()[0]);
}

From source file:uk.co.thinkofdeath.thinkcraft.bukkit.world.ChunkManager.java

License:Apache License

private void gzipChunk(ChunkSnapshot chunk, ByteBuf out) {
    int mask = 0;
    int count = 0;
    for (int i = 0; i < 16; i++) {
        if (!chunk.isSectionEmpty(i)) {
            mask |= 1 << i;//from w  w w .ja  v a2 s  .  c  o m
            count++;
        }
    }
    ByteBuf data = allocator.buffer(16 * 16 * 16 * 4 * count + 3 + 256);
    data.writeByte(1); // The chunk exists
    data.writeShort(mask);
    int offset = 0;
    int blockDataOffset = 16 * 16 * 16 * 2 * count;
    int skyDataOffset = blockDataOffset + 16 * 16 * 16 * count;
    for (int i = 0; i < 16; i++) {
        if (!chunk.isSectionEmpty(i)) {
            for (int oy = 0; oy < 16; oy++) {
                for (int oz = 0; oz < 16; oz++) {
                    for (int ox = 0; ox < 16; ox++) {
                        int y = oy + (i << 4);
                        int id = chunk.getBlockTypeId(ox, y, oz);
                        int dValue = chunk.getBlockData(ox, y, oz);
                        data.setShort((offset << 1) + 3, (id << 4) | dValue);

                        data.setByte(blockDataOffset + offset + 3, chunk.getBlockEmittedLight(ox, y, oz));
                        data.setByte(skyDataOffset + offset + 3, chunk.getBlockSkyLight(ox, y, oz));

                        offset++;
                    }
                }
            }
        }
    }
    for (int x = 0; x < 16; x++) {
        for (int z = 0; z < 16; z++) {
            data.setByte(skyDataOffset + offset + 3 + x + z * 16, ThinkBiome.bukkitToId(chunk.getBiome(x, z)));
        }
    }
    data.writerIndex(data.capacity());
    try {
        GZIPOutputStream gzip = new GZIPOutputStream(new ByteBufOutputStream(out));
        byte[] bytes = new byte[data.readableBytes()];
        data.readBytes(bytes);
        gzip.write(bytes);
        gzip.close();
    } catch (IOException e) {
        throw new RuntimeException();
    } finally {
        data.release();
    }
}

From source file:vn.com.onesoft.bigfox.server.io.core.channel.websocket.WebSocketServerHandler.java

private void handleWebSocketFrame(ChannelHandlerContext ctx, WebSocketFrame frame) {

    // Check for closing frame
    if (frame instanceof CloseWebSocketFrame) {
        handshaker.close(ctx.channel(), (CloseWebSocketFrame) frame.retain());
        return;//from   w  w  w  . j av  a2s  .  c o  m
    }
    if (frame instanceof PingWebSocketFrame) {
        ctx.channel().write(new PongWebSocketFrame(frame.content().retain()));
        return;
    }
    if (frame instanceof BinaryWebSocketFrame) {
        BinaryWebSocketFrame bFrame = (BinaryWebSocketFrame) frame;
        ByteBuf buf = bFrame.content();
        int length = buf.capacity();

        byte[] data = new byte[length];
        buf.readBytes(data);
        try {

            //HuongNS
            //                data = BFCompressManager.getInstance().decompress(data);
            //                data = BFEncryptManager.crypt(ctx.channel(), data);
            mf.onMessage(ctx.channel(), data); //Thc thi yu cu t Client
        } catch (Exception ex) {
            ctx.channel().close();
            //                BFLogger.getInstance().error("handleWebSocketFrame - Exception");
            BFLogger.getInstance().error(ex.getMessage(), ex);
        }
    }
}