Examples with StreamWriter com.webpieces.http2.api.streaming.StreamWriter used on opensource projects

Example 46 with StreamWriter

use of com.webpieces.http2.api.streaming.StreamWriter in project webpieces by deanhiller.

the class EScopedRouter method invokeRouteImpl.

public RouterStreamRef invokeRouteImpl(RequestContext ctx, ProxyStreamHandle handler, String subPath) {
    if ("".equals(subPath))
        return findAndInvokeRoute(ctx, handler, subPath);
    else if (!subPath.startsWith("/"))
        throw new IllegalArgumentException("path must start with /");
    String prefix = subPath;
    int index = subPath.indexOf("/", 1);
    if (index == 1) {
        XFuture<StreamWriter> future = new XFuture<>();
        future.completeExceptionally(new NotFoundException("Bad path=" + ctx.getRequest().relativePath + " request=" + ctx.getRequest()));
        return new RouterStreamRef("badPath", future, null);
    } else if (index > 1) {
        prefix = subPath.substring(0, index);
    }
    EScopedRouter routeInfo = getPathPrefixToNextRouter().get(prefix);
    if (routeInfo != null) {
        if (index < 0)
            return routeInfo.invokeRoute(ctx, handler, "");
        String newRelativePath = subPath.substring(index, subPath.length());
        return routeInfo.invokeRoute(ctx, handler, newRelativePath);
    }
    return findAndInvokeRoute(ctx, handler, subPath);
}

Example 47 with StreamWriter

use of com.webpieces.http2.api.streaming.StreamWriter in project webpieces by deanhiller.

the class EScopedRouter method send403Response.

private void send403Response(ProxyStreamHandle handler, String reason) {
    Http2Response response = new Http2Response();
    response.addHeader(new Http2Header(Http2HeaderName.STATUS, "403"));
    response.addHeader(new Http2Header("Webpieces-Reason", reason));
    XFuture<StreamWriter> process = handler.process(response);
    try {
        process.get(10, TimeUnit.SECONDS);
    } catch (Exception e) {
        throw SneakyThrow.sneak(e);
    }
}

Example 48 with StreamWriter

use of com.webpieces.http2.api.streaming.StreamWriter in project webpieces by deanhiller.

the class DScopedRouter method tryRenderWebAppErrorControllerResult.

private XFuture<StreamWriter> tryRenderWebAppErrorControllerResult(RequestContext ctx, ProxyStreamHandle handler, Throwable t) {
    if (ExceptionWrap.isChannelClosed(t)) {
        // if the socket was closed before we responded, do not log a failure
        if (log.isTraceEnabled())
            log.trace("async exception due to socket being closed", t);
        return XFuture.<StreamWriter>completedFuture(new NullStreamWriter());
    }
    String failedRoute = "<Unknown Route>";
    if (t instanceof SpecificRouterInvokeException)
        failedRoute = ((SpecificRouterInvokeException) t).getMatchInfo() + "";
    if (!(t instanceof SimulateInternalError)) {
        log.error("There is three parts to this error message... request, route found, and the exception " + "message.  You should\nread the exception message below  as well as the RouterRequest and RouteMeta.\n\n" + ctx.getRequest() + "\n\n" + failedRoute + ".  \n\nNext, server will try to render apps 5xx page\n\n", t);
        SupressedExceptionLog.log(log, t);
    }
    // page so in that case, fail, and cancel the stream
    if (handler.hasSentResponseAlready()) {
        RstStreamFrame frame = new RstStreamFrame();
        frame.setKnownErrorCode(Http2ErrorCode.CANCEL);
        handler.cancel(frame);
        return XFuture.completedFuture(new NullStreamWriter());
    }
    return invokeWebAppErrorController(t, ctx, handler, failedRoute);
}

Example 49 with StreamWriter

use of com.webpieces.http2.api.streaming.StreamWriter in project webpieces by deanhiller.

the class DScopedRouter method invokeRouteCatchNotFound.

/**
 * NOTE: We have to catch any exception from the method processNotFound so we can't catch and call internalServerError in this
 * method without nesting even more!!! UGH, more nesting sucks
 */
private RouterStreamRef invokeRouteCatchNotFound(RequestContext ctx, ProxyStreamHandle handler, String subPath) {
    RouterStreamRef streamRef = super.invokeRoute(ctx, handler, subPath);
    XFuture<StreamWriter> writer = streamRef.getWriter().handle((r, t) -> {
        if (t == null)
            return XFuture.completedFuture(r);
        if (t instanceof NotFoundException)
            return notFound((NotFoundException) t, ctx, handler);
        return futureUtil.failedFuture(t);
    }).thenCompose(Function.identity());
    return new RouterStreamRef("DScopedNotFoundCheck", writer, streamRef);
}

Example 50 with StreamWriter

use of com.webpieces.http2.api.streaming.StreamWriter in project webpieces by deanhiller.

the class DScopedRouter method invokeRoute.

@Override
public RouterStreamRef invokeRoute(RequestContext ctx, ProxyStreamHandle handler, String subPath) {
    RouterStreamRef streamRef = invokeRouteCatchNotFound(ctx, handler, subPath);
    XFuture<StreamWriter> writer = streamRef.getWriter().handle((r, t) -> {
        if (t == null)
            return XFuture.completedFuture(r);
        return tryRenderWebAppErrorControllerResult(ctx, handler, t);
    }).thenCompose(Function.identity());
    XFuture<StreamWriter> proxyWriter = writer.thenApply(w -> createProxy(w, ctx, handler));
    return new RouterStreamRef("dScopedRouter", proxyWriter, streamRef);
}