StreamCreationHandler Class — netty Architecture

Source Code

codec-native-quic/src/test/java/io/netty/handler/codec/quic/QuicStreamChannelCloseTest.java lines 262–289

    private static final class StreamCreationHandler extends QuicChannelValidationHandler {
        private final QuicStreamType type;
        private final boolean halfClose;
        private final Promise<Channel> streamPromise;

        StreamCreationHandler(QuicStreamType type, boolean halfClose, Promise<Channel> streamPromise) {
            this.type = type;
            this.halfClose = halfClose;
            this.streamPromise = streamPromise;
        }

        @Override
        public void channelActive(ChannelHandlerContext ctx) {
            super.channelActive(ctx);
            QuicChannel channel = (QuicChannel) ctx.channel();
            channel.createStream(type, new ChannelInboundHandlerAdapter() {
                @Override
                public void channelActive(ChannelHandlerContext ctx)  {
                    streamPromise.trySuccess(ctx.channel());
                    // Do the write and close the channel
                    ctx.writeAndFlush(Unpooled.buffer().writeZero(8))
                            .addListener(halfClose
                                    ? QuicStreamChannel.SHUTDOWN_OUTPUT
                                    : ChannelFutureListener.CLOSE);
                }
            });
        }
    }