Examples with NettyEmbeddedServices io.micronaut.http.server.netty.NettyEmbeddedServices used on opensource projects

Example 1 with NettyEmbeddedServices

use of io.micronaut.http.server.netty.NettyEmbeddedServices in project micronaut-core by micronaut-projects.

the class NettyServerWebSocketUpgradeHandler method channelRead0.

@Override
protected final void channelRead0(ChannelHandlerContext ctx, NettyHttpRequest<?> msg) {
    ServerRequestContext.set(msg);
    Optional<UriRouteMatch<Object, Object>> optionalRoute = router.find(HttpMethod.GET, msg.getUri().toString(), msg).filter(rm -> rm.isAnnotationPresent(OnMessage.class) || rm.isAnnotationPresent(OnOpen.class)).findFirst();
    MutableHttpResponse<?> proceed = HttpResponse.ok();
    AtomicReference<HttpRequest<?>> requestReference = new AtomicReference<>(msg);
    Flux<MutableHttpResponse<?>> responsePublisher;
    if (optionalRoute.isPresent()) {
        UriRouteMatch<Object, Object> rm = optionalRoute.get();
        msg.setAttribute(HttpAttributes.ROUTE_MATCH, rm);
        msg.setAttribute(HttpAttributes.ROUTE_INFO, rm);
        proceed.setAttribute(HttpAttributes.ROUTE_MATCH, rm);
        proceed.setAttribute(HttpAttributes.ROUTE_INFO, rm);
        responsePublisher = Flux.just(proceed);
    } else {
        responsePublisher = routeExecutor.onError(new HttpStatusException(HttpStatus.NOT_FOUND, "WebSocket Not Found"), msg);
    }
    Publisher<? extends MutableHttpResponse<?>> finalPublisher = routeExecutor.filterPublisher(requestReference, responsePublisher);
    final Scheduler scheduler = Schedulers.fromExecutorService(ctx.channel().eventLoop());
    Mono.from(finalPublisher).publishOn(scheduler).subscribeOn(scheduler).contextWrite(reactorContext -> reactorContext.put(ServerRequestContext.KEY, requestReference.get())).subscribe((Consumer<MutableHttpResponse<?>>) actualResponse -> {
        if (actualResponse == proceed) {
            UriRouteMatch routeMatch = actualResponse.getAttribute(HttpAttributes.ROUTE_MATCH, UriRouteMatch.class).get();
            WebSocketBean<?> webSocketBean = webSocketBeanRegistry.getWebSocket(routeMatch.getTarget().getClass());
            handleHandshake(ctx, msg, webSocketBean, actualResponse);
            ChannelPipeline pipeline = ctx.pipeline();
            try {
                NettyServerWebSocketHandler webSocketHandler = new NettyServerWebSocketHandler(nettyEmbeddedServices, webSocketSessionRepository, handshaker, webSocketBean, msg, routeMatch, ctx, routeExecutor.getCoroutineHelper().orElse(null));
                pipeline.addBefore(ctx.name(), NettyServerWebSocketHandler.ID, webSocketHandler);
                pipeline.remove(ChannelPipelineCustomizer.HANDLER_HTTP_STREAM);
                pipeline.remove(NettyServerWebSocketUpgradeHandler.this);
                ChannelHandler accessLoggerHandler = pipeline.get(ChannelPipelineCustomizer.HANDLER_ACCESS_LOGGER);
                if (accessLoggerHandler != null) {
                    pipeline.remove(accessLoggerHandler);
                }
            } catch (Throwable e) {
                if (LOG.isErrorEnabled()) {
                    LOG.error("Error opening WebSocket: " + e.getMessage(), e);
                }
                ctx.writeAndFlush(new CloseWebSocketFrame(CloseReason.INTERNAL_ERROR.getCode(), CloseReason.INTERNAL_ERROR.getReason()));
            }
        } else {
            ctx.writeAndFlush(actualResponse);
        }
    });
}