WebSocketFrame08DecoderBenchmark Class — netty Architecture

Source Code

microbench/src/main/java/io/netty/microbench/websocket/WebSocketFrame08DecoderBenchmark.java lines 46–103

@State(Scope.Benchmark)
@Fork(value = 2)
@Threads(1)
@Warmup(iterations = 5)
@Measurement(iterations = 10)
public class WebSocketFrame08DecoderBenchmark extends AbstractMicrobenchmark {

    private WebSocket08FrameDecoder websocketDecoder;

    private ChannelHandlerContext context;

    private ByteBuf websocketFrame;
    @Param({ "0", "2", "4", "8", "32", "100", "1000", "3000" })
    public int contentLength;

    @Param({ "true", "false" })
    public boolean pooledAllocator;

    @Param({ "true" })
    public boolean masking;

    @Setup(Level.Trial)
    public void setUp() {
        byte[] bytes = new byte[contentLength];
        ThreadLocalRandom.current().nextBytes(bytes);
        ByteBufAllocator allocator = pooledAllocator? PooledByteBufAllocator.DEFAULT : UnpooledByteBufAllocator.DEFAULT;
        ByteBuf testContent = allocator.buffer(contentLength).writeBytes(bytes);

        EmbeddedChannel channel = new EmbeddedChannel(new WebSocket08FrameEncoder(masking));
        channel.writeOutbound(new BinaryWebSocketFrame(testContent));
        websocketFrame = Unpooled.unreleasableBuffer(((ByteBuf) channel.readOutbound()).asReadOnly());
        channel.pipeline().remove(WebSocket08FrameEncoder.class);

        websocketDecoder = new WebSocket08FrameDecoder(masking, false, 65536);
        context = new EmbeddedChannelHandlerContext(allocator, websocketDecoder, channel) {
            @Override
            protected void handleException(Throwable t) {
                handleUnexpectedException(t);
            }
        };
    }

    @TearDown(Level.Trial)
    public void teardown() {
        websocketFrame.release();
        websocketFrame = null;
    }

    @Benchmark
    public void readWebSocketFrame() throws Exception {
        websocketDecoder.channelRead(context, websocketFrame.retainedDuplicate());
    }

    @Override
    protected ChainedOptionsBuilder newOptionsBuilder() throws Exception {
        return super.newOptionsBuilder().addProfiler(GCProfiler.class);
    }
}