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Example 21 with DefaultFullHttpResponse

use of org.apache.flink.shaded.netty4.io.netty.handler.codec.http.DefaultFullHttpResponse in project dubbo by alibaba.

the class HttpProcessHandler method http_200.

private static final FullHttpResponse http_200(String result) {
    FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK, Unpooled.wrappedBuffer(result.getBytes()));
    HttpHeaders httpHeaders = response.headers();
    httpHeaders.set(HttpHeaders.Names.CONTENT_TYPE, "text/plain");
    httpHeaders.set(HttpHeaders.Names.CONTENT_LENGTH, response.content().readableBytes());
    return response;
}
Also used : DefaultFullHttpResponse(io.netty.handler.codec.http.DefaultFullHttpResponse) HttpHeaders(io.netty.handler.codec.http.HttpHeaders) FullHttpResponse(io.netty.handler.codec.http.FullHttpResponse) DefaultFullHttpResponse(io.netty.handler.codec.http.DefaultFullHttpResponse)

Example 22 with DefaultFullHttpResponse

use of org.apache.flink.shaded.netty4.io.netty.handler.codec.http.DefaultFullHttpResponse in project dubbo by alibaba.

the class HttpProcessHandler method http_500.

private static final FullHttpResponse http_500(String errorMessage) {
    FullHttpResponse response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.INTERNAL_SERVER_ERROR, Unpooled.wrappedBuffer(errorMessage.getBytes()));
    HttpHeaders httpHeaders = response.headers();
    httpHeaders.set(HttpHeaders.Names.CONTENT_TYPE, "text/plain");
    httpHeaders.set(HttpHeaders.Names.CONTENT_LENGTH, response.content().readableBytes());
    return response;
}
Also used : DefaultFullHttpResponse(io.netty.handler.codec.http.DefaultFullHttpResponse) HttpHeaders(io.netty.handler.codec.http.HttpHeaders) FullHttpResponse(io.netty.handler.codec.http.FullHttpResponse) DefaultFullHttpResponse(io.netty.handler.codec.http.DefaultFullHttpResponse)

Example 23 with DefaultFullHttpResponse

use of org.apache.flink.shaded.netty4.io.netty.handler.codec.http.DefaultFullHttpResponse in project tesla by linking12.

the class HttpFiltersRunner method createResponse.

private HttpResponse createResponse(HttpResponseStatus httpResponseStatus, HttpRequest originalRequest) {
    HttpHeaders httpHeaders = new DefaultHttpHeaders();
    httpHeaders.add("Transfer-Encoding", "chunked");
    HttpResponse httpResponse = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, httpResponseStatus);
    httpResponse.headers().add(httpHeaders);
    return httpResponse;
}
Also used : HttpHeaders(io.netty.handler.codec.http.HttpHeaders) DefaultHttpHeaders(io.netty.handler.codec.http.DefaultHttpHeaders) DefaultFullHttpResponse(io.netty.handler.codec.http.DefaultFullHttpResponse) DefaultHttpHeaders(io.netty.handler.codec.http.DefaultHttpHeaders) DefaultFullHttpResponse(io.netty.handler.codec.http.DefaultFullHttpResponse) HttpResponse(io.netty.handler.codec.http.HttpResponse)

Example 24 with DefaultFullHttpResponse

use of org.apache.flink.shaded.netty4.io.netty.handler.codec.http.DefaultFullHttpResponse in project tesla by linking12.

the class ProxyUtils method copyMutableResponseFields.

public static HttpResponse copyMutableResponseFields(final HttpResponse original) {
    HttpResponse copy = null;
    if (original instanceof DefaultFullHttpResponse) {
        ByteBuf content = ((DefaultFullHttpResponse) original).content();
        copy = new DefaultFullHttpResponse(original.protocolVersion(), original.status(), content);
    } else {
        copy = new DefaultHttpResponse(original.protocolVersion(), original.status());
    }
    final Collection<String> headerNames = original.headers().names();
    for (final String name : headerNames) {
        final List<String> values = original.headers().getAll(name);
        copy.headers().set(name, values);
    }
    return copy;
}
Also used : DefaultFullHttpResponse(io.netty.handler.codec.http.DefaultFullHttpResponse) DefaultHttpResponse(io.netty.handler.codec.http.DefaultHttpResponse) FullHttpResponse(io.netty.handler.codec.http.FullHttpResponse) DefaultHttpResponse(io.netty.handler.codec.http.DefaultHttpResponse) DefaultFullHttpResponse(io.netty.handler.codec.http.DefaultFullHttpResponse) HttpResponse(io.netty.handler.codec.http.HttpResponse) ByteBuf(io.netty.buffer.ByteBuf)

Example 25 with DefaultFullHttpResponse

use of org.apache.flink.shaded.netty4.io.netty.handler.codec.http.DefaultFullHttpResponse in project riposte by Nike-Inc.

the class StreamingAsyncHttpClient method prepChannelForDownstreamCall.

protected void prepChannelForDownstreamCall(ChannelPool pool, Channel ch, StreamingCallback callback, Deque<Span> distributedSpanStackToUse, Map<String, String> mdcContextToUse, boolean isSecureHttpsCall, boolean relaxedHttpsValidation, boolean performSubSpanAroundDownstreamCalls, long downstreamCallTimeoutMillis, ObjectHolder<Boolean> callActiveHolder, ObjectHolder<Boolean> lastChunkSentDownstreamHolder) throws SSLException, NoSuchAlgorithmException, KeyStoreException {
    ChannelHandler chunkSenderHandler = new SimpleChannelInboundHandler<HttpObject>() {

        @Override
        protected void channelRead0(ChannelHandlerContext downstreamCallCtx, HttpObject msg) throws Exception {
            try {
                // the call is fully processed should not trigger the behavior a second time.
                if (callActiveHolder.heldObject) {
                    if (msg instanceof LastHttpContent) {
                        lastChunkSentDownstreamHolder.heldObject = true;
                        if (performSubSpanAroundDownstreamCalls) {
                            // Complete the subspan.
                            runnableWithTracingAndMdc(() -> {
                                if (distributedSpanStackToUse == null || distributedSpanStackToUse.size() < 2)
                                    Tracer.getInstance().completeRequestSpan();
                                else
                                    Tracer.getInstance().completeSubSpan();
                            }, distributedSpanStackToUse, mdcContextToUse).run();
                        }
                    }
                    HttpObject msgToPass = msg;
                    if (msg instanceof HttpResponse) {
                        // We can't pass the original HttpResponse back to the callback due to intricacies of how
                        // Netty handles determining the last chunk. If we do, and the callback ends up writing
                        // the message out to the client (which happens during proxy routing for example), then
                        // msg's headers might get modified - potentially causing this channel pipeline to
                        // never send a LastHttpContent, which will in turn cause an indefinite hang.
                        HttpResponse origHttpResponse = (HttpResponse) msg;
                        HttpResponse httpResponse = (msg instanceof FullHttpResponse) ? new DefaultFullHttpResponse(origHttpResponse.getProtocolVersion(), origHttpResponse.getStatus(), ((FullHttpResponse) msg).content()) : new DefaultHttpResponse(origHttpResponse.getProtocolVersion(), origHttpResponse.getStatus());
                        httpResponse.headers().add(origHttpResponse.headers());
                        msgToPass = httpResponse;
                    }
                    callback.messageReceived(msgToPass);
                } else {
                    if (shouldLogBadMessagesAfterRequestFinishes) {
                        runnableWithTracingAndMdc(() -> logger.warn("Received HttpObject msg when call was not active: {}", String.valueOf(msg)), distributedSpanStackToUse, mdcContextToUse).run();
                    }
                }
            } finally {
                if (msg instanceof LastHttpContent) {
                    releaseChannelBackToPoolIfCallIsActive(ch, pool, callActiveHolder, "last content chunk sent", distributedSpanStackToUse, mdcContextToUse);
                }
            }
        }
    };
    Consumer<Throwable> doErrorHandlingConsumer = (cause) -> {
        Pair<Deque<Span>, Map<String, String>> originalThreadInfo = null;
        try {
            // Setup tracing and MDC so our log messages have the correct distributed trace info, etc.
            originalThreadInfo = linkTracingAndMdcToCurrentThread(distributedSpanStackToUse, mdcContextToUse);
            // call is fully processed should not trigger the behavior a second time.
            if (callActiveHolder.heldObject) {
                if (performSubSpanAroundDownstreamCalls) {
                    if (distributedSpanStackToUse == null || distributedSpanStackToUse.size() < 2)
                        Tracer.getInstance().completeRequestSpan();
                    else
                        Tracer.getInstance().completeSubSpan();
                }
                Tracer.getInstance().unregisterFromThread();
                if (cause instanceof Errors.NativeIoException) {
                    // NativeIoExceptions are often setup to not have stack traces which is bad for debugging.
                    // Wrap it in a NativeIoExceptionWrapper that maps to a 503 since this is likely a busted
                    // connection and a second attempt should work.
                    cause = new NativeIoExceptionWrapper("Caught a NativeIoException in the downstream streaming call pipeline. Wrapped it in a " + "NativeIoExceptionWrapper so that it maps to a 503 and provides a usable stack trace " + "in the logs.", (Errors.NativeIoException) cause);
                }
                callback.unrecoverableErrorOccurred(cause, true);
            } else {
                if (cause instanceof DownstreamIdleChannelTimeoutException) {
                    logger.debug("A channel used for downstream calls will be closed because it was idle too long. " + "This is normal behavior and does not indicate a downstream call failure: {}", cause.toString());
                } else {
                    logger.warn("Received exception in downstream call pipeline after the call was finished. " + "Not necessarily anything to worry about but in case it helps debugging the " + "exception was: {}", cause.toString());
                }
            }
        } finally {
            // Mark the channel as broken so it will be closed and removed from the pool when it is returned.
            markChannelAsBroken(ch);
            // Release it back to the pool if possible/necessary so the pool can do its usual cleanup.
            releaseChannelBackToPoolIfCallIsActive(ch, pool, callActiveHolder, "error received in downstream pipeline: " + cause.toString(), distributedSpanStackToUse, mdcContextToUse);
            // No matter what the cause is we want to make sure the channel is closed. Doing this raw ch.close()
            // here will catch the cases where this channel does not have an active call but still needs to be
            // closed (e.g. an idle channel timeout that happens in-between calls).
            ch.close();
            // Unhook the tracing and MDC stuff from this thread now that we're done.
            unlinkTracingAndMdcFromCurrentThread(originalThreadInfo);
        }
    };
    ChannelHandler errorHandler = new ChannelInboundHandlerAdapter() {

        @Override
        public void exceptionCaught(ChannelHandlerContext downstreamCallCtx, Throwable cause) throws Exception {
            doErrorHandlingConsumer.accept(cause);
        }

        @Override
        public void channelInactive(ChannelHandlerContext ctx) throws Exception {
            if (logger.isDebugEnabled()) {
                runnableWithTracingAndMdc(() -> logger.debug("Downstream channel closing. call_active={}, last_chunk_sent_downstream={}, channel_id={}", callActiveHolder.heldObject, lastChunkSentDownstreamHolder.heldObject, ctx.channel().toString()), distributedSpanStackToUse, mdcContextToUse).run();
            }
            // We only care if the channel was closed while the call was active.
            if (callActiveHolder.heldObject)
                doErrorHandlingConsumer.accept(new DownstreamChannelClosedUnexpectedlyException(ch));
            super.channelInactive(ctx);
        }
    };
    // Set up the HTTP client pipeline.
    ChannelPipeline p = ch.pipeline();
    List<String> registeredHandlerNames = p.names();
    // couldn't be removed at that time because it wasn't in the channel's eventLoop.
    if (registeredHandlerNames.contains(DOWNSTREAM_IDLE_CHANNEL_TIMEOUT_HANDLER_NAME)) {
        ChannelHandler idleHandler = p.get(DOWNSTREAM_IDLE_CHANNEL_TIMEOUT_HANDLER_NAME);
        if (idleHandler != null)
            p.remove(idleHandler);
    }
    if (debugChannelLifecycleLoggingEnabled && !registeredHandlerNames.contains(DEBUG_LOGGER_HANDLER_NAME)) {
        // Add the channel debug logger if desired.
        p.addFirst(DEBUG_LOGGER_HANDLER_NAME, new LoggingHandler(DOWNSTREAM_CLIENT_CHANNEL_DEBUG_LOGGER_NAME, LogLevel.DEBUG));
    }
    // Add/replace a downstream call timeout detector.
    addOrReplacePipelineHandler(new DownstreamIdleChannelTimeoutHandler(downstreamCallTimeoutMillis, () -> callActiveHolder.heldObject, true, "StreamingAsyncHttpClientChannel-call-timeout", distributedSpanStackToUse, mdcContextToUse), DOWNSTREAM_CALL_TIMEOUT_HANDLER_NAME, p, registeredHandlerNames);
    if (isSecureHttpsCall) {
        // SSL call. Make sure we add the SSL handler if necessary.
        if (!registeredHandlerNames.contains(SSL_HANDLER_NAME)) {
            if (clientSslCtx == null) {
                if (relaxedHttpsValidation) {
                    clientSslCtx = SslContextBuilder.forClient().trustManager(InsecureTrustManagerFactory.INSTANCE).build();
                } else {
                    TrustManagerFactory tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
                    tmf.init((KeyStore) null);
                    clientSslCtx = SslContextBuilder.forClient().trustManager(tmf).build();
                }
            }
            p.addAfter(DOWNSTREAM_CALL_TIMEOUT_HANDLER_NAME, SSL_HANDLER_NAME, clientSslCtx.newHandler(ch.alloc()));
        }
    } else {
        // Not an SSL call. Remove the SSL handler if it's there.
        if (registeredHandlerNames.contains(SSL_HANDLER_NAME))
            p.remove(SSL_HANDLER_NAME);
    }
    // The HttpClientCodec handler deals with HTTP codec stuff so you don't have to. Set it up if it hasn't already
    // been setup, and inspect it to make sure it's in a "ready to handle a new request" state. Some rare
    // and currently unknown edgecases can cause us to hit this point with the HttpClientCodec in an unclean
    // state, and if we barrel forward without cleaning this up the call will fail.
    boolean pipelineContainsHttpClientCodec = registeredHandlerNames.contains(HTTP_CLIENT_CODEC_HANDLER_NAME);
    boolean existingHttpClientCodecIsInBadState = false;
    if (pipelineContainsHttpClientCodec) {
        HttpClientCodec currentCodec = (HttpClientCodec) p.get(HTTP_CLIENT_CODEC_HANDLER_NAME);
        int currentHttpClientCodecInboundState = determineHttpClientCodecInboundState(currentCodec);
        if (currentHttpClientCodecInboundState != 0) {
            runnableWithTracingAndMdc(() -> logger.warn("HttpClientCodec inbound state was not 0. It will be replaced with a fresh HttpClientCodec. " + "bad_httpclientcodec_inbound_state={}", currentHttpClientCodecInboundState), distributedSpanStackToUse, mdcContextToUse).run();
            existingHttpClientCodecIsInBadState = true;
        } else {
            int currentHttpClientCodecOutboundState = determineHttpClientCodecOutboundState(currentCodec);
            if (currentHttpClientCodecOutboundState != 0) {
                runnableWithTracingAndMdc(() -> logger.warn("HttpClientCodec outbound state was not 0. It will be replaced with a fresh HttpClientCodec. " + "bad_httpclientcodec_outbound_state={}", currentHttpClientCodecOutboundState), distributedSpanStackToUse, mdcContextToUse).run();
                existingHttpClientCodecIsInBadState = true;
            }
        }
    }
    // or replace it if it was in a bad state.
    if (!pipelineContainsHttpClientCodec || existingHttpClientCodecIsInBadState) {
        addOrReplacePipelineHandler(new HttpClientCodec(4096, 8192, 8192, true), HTTP_CLIENT_CODEC_HANDLER_NAME, p, registeredHandlerNames);
    }
    // Update the chunk sender handler and error handler to the newly created versions that know about the correct
    // callback, dtrace info, etc to use for this request.
    addOrReplacePipelineHandler(chunkSenderHandler, CHUNK_SENDER_HANDLER_NAME, p, registeredHandlerNames);
    addOrReplacePipelineHandler(errorHandler, ERROR_HANDLER_NAME, p, registeredHandlerNames);
}
Also used : AttributeKey(io.netty.util.AttributeKey) Span(com.nike.wingtips.Span) HttpHeaders(io.netty.handler.codec.http.HttpHeaders) DefaultThreadFactory(io.netty.util.concurrent.DefaultThreadFactory) ChannelInboundHandlerAdapter(io.netty.channel.ChannelInboundHandlerAdapter) LoggerFactory(org.slf4j.LoggerFactory) Random(java.util.Random) KeyStoreException(java.security.KeyStoreException) AsyncNettyHelper.unlinkTracingAndMdcFromCurrentThread(com.nike.riposte.util.AsyncNettyHelper.unlinkTracingAndMdcFromCurrentThread) HttpObject(io.netty.handler.codec.http.HttpObject) HttpClientCodec(io.netty.handler.codec.http.HttpClientCodec) InetAddress(java.net.InetAddress) ChannelPromise(io.netty.channel.ChannelPromise) Map(java.util.Map) ThreadFactory(java.util.concurrent.ThreadFactory) SocketChannel(io.netty.channel.socket.SocketChannel) HttpObjectDecoder(io.netty.handler.codec.http.HttpObjectDecoder) HttpRequest(io.netty.handler.codec.http.HttpRequest) TrustManagerFactory(javax.net.ssl.TrustManagerFactory) DOWNSTREAM_CALL_CONNECTION_SETUP_TIME_NANOS_REQUEST_ATTR_KEY(com.nike.riposte.server.handler.ProxyRouterEndpointExecutionHandler.DOWNSTREAM_CALL_CONNECTION_SETUP_TIME_NANOS_REQUEST_ATTR_KEY) DownstreamIdleChannelTimeoutException(com.nike.riposte.server.error.exception.DownstreamIdleChannelTimeoutException) ChannelHealthChecker(io.netty.channel.pool.ChannelHealthChecker) DownstreamChannelClosedUnexpectedlyException(com.nike.riposte.server.error.exception.DownstreamChannelClosedUnexpectedlyException) KeyStore(java.security.KeyStore) ChannelPipeline(io.netty.channel.ChannelPipeline) InetSocketAddress(java.net.InetSocketAddress) NioEventLoopGroup(io.netty.channel.nio.NioEventLoopGroup) List(java.util.List) SSLException(javax.net.ssl.SSLException) AbstractChannelPoolHandler(io.netty.channel.pool.AbstractChannelPoolHandler) LogLevel(io.netty.handler.logging.LogLevel) 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Aggregations

DefaultFullHttpResponse (io.netty.handler.codec.http.DefaultFullHttpResponse)223 FullHttpResponse (io.netty.handler.codec.http.FullHttpResponse)145 ByteBuf (io.netty.buffer.ByteBuf)68 HttpResponse (io.netty.handler.codec.http.HttpResponse)39 Test (org.junit.Test)25 HttpRequest (io.netty.handler.codec.http.HttpRequest)24 EmbeddedChannel (io.netty.channel.embedded.EmbeddedChannel)23 HttpResponseStatus (io.netty.handler.codec.http.HttpResponseStatus)22 ChannelFuture (io.netty.channel.ChannelFuture)19 IOException (java.io.IOException)19 FullHttpRequest (io.netty.handler.codec.http.FullHttpRequest)16 HttpHeaders (io.netty.handler.codec.http.HttpHeaders)16 DefaultHttpResponse (io.netty.handler.codec.http.DefaultHttpResponse)15 HttpObject (io.netty.handler.codec.http.HttpObject)15 DefaultFullHttpRequest (io.netty.handler.codec.http.DefaultFullHttpRequest)12 HttpVersion (io.netty.handler.codec.http.HttpVersion)12 InetSocketAddress (java.net.InetSocketAddress)12 SSLException (javax.net.ssl.SSLException)12 Test (org.junit.jupiter.api.Test)12 Map (java.util.Map)11