io.netty.handler.codec.http.HttpClientCodec Java Examples

@Override
    public void channelCreated(Channel ch) throws Exception {
        logger.debug("channelCreated. Channel ID: {}", ch.id());
        NioSocketChannel channel = (NioSocketChannel) ch;
        channel.config().setKeepAlive(true);
        channel.config().setTcpNoDelay(true);
        ChannelPipeline pipeline = channel.pipeline();
        if (sslCtx != null) {
            pipeline.addLast(sslCtx.newHandler(ch.alloc()));
        }
        pipeline.addLast(new HttpClientCodec());
        pipeline.addLast(new HttpContentDecompressor());
        pipeline.addLast(new HttpObjectAggregator(1024 * 1024 * 64));
        pipeline.addLast(new ChunkedWriteHandler());
//        pipeline.addLast(new ReadTimeoutHandler(requestHolder.route.getTimeoutInMilliseconds(), TimeUnit.MILLISECONDS));
        pipeline.addLast(new BackHandler());
    }
 

@Override
public void initChannel(SocketChannel ch) {
    ChannelPipeline p = ch.pipeline();

    // Enable HTTPS if necessary.
    if (sslCtx != null) {
        p.addLast(sslCtx.newHandler(ch.alloc()));
    }

    p.addLast(new HttpClientCodec());

    // Remove the following line if you don't want automatic content decompression.
    p.addLast(new HttpContentDecompressor());

    // Uncomment the following line if you don't want to handle HttpContents.
    //p.addLast(new HttpObjectAggregator(1048576));

    p.addLast(new HttpSnoopClientHandler());
}
 

@Override
public ChannelInitializer<SocketChannel> getChannelInitializer() {
    return new ChannelInitializer<SocketChannel> () {
        @Override
        public void initChannel(SocketChannel ch) throws Exception {
            ChannelPipeline p = ch.pipeline();
            p.addLast(
                    sslCtx.newHandler(ch.alloc(), host, port),
                    new HttpClientCodec(),
                    new HttpObjectAggregator(8192),
                    appHandler,
                    new WSMessageDecoder(new GlobalStats(),
                            new Limits(new ServerProperties(Collections.emptyMap()))
                    )
            );
        }
    };
}
 

@Override
public void initChannel(SocketChannel ch) {
    ChannelPipeline pipeline = ch.pipeline();

    if (sslCtx != null) {
        pipeline.addLast("ssl", sslCtx.newHandler(ch.alloc()));
    }

    pipeline.addLast("codec", new HttpClientCodec());

    // Remove the following line if you don't want automatic content decompression.
    pipeline.addLast("inflater", new HttpContentDecompressor());

    // to be used since huge file transfer
    pipeline.addLast("chunkedWriter", new ChunkedWriteHandler());

    pipeline.addLast("handler", new HttpUploadClientHandler());
}
 

@Override
protected ChannelInitializer<SocketChannel> getChannelInitializer() {
    return new ChannelInitializer<SocketChannel> () {
        @Override
        public void initChannel(SocketChannel ch) throws Exception {
            ChannelPipeline p = ch.pipeline();
            if (sslCtx != null) {
                p.addLast(sslCtx.newHandler(ch.alloc(), host, port));
            }
            p.addLast(
                    new HttpClientCodec(),
                    new HttpObjectAggregator(8192),
                    handler,
                    new MessageDecoder(new GlobalStats(),
                            new Limits(new ServerProperties(Collections.emptyMap())))
            );
        }
    };
}
 

@Override
	public void initChannel(SocketChannel ch) {
		ChannelPipeline pipeline = ch.pipeline();

		// Enable HTTPS if necessary.
//		if (sslCtx != null) {
//			pipeline.addLast(sslCtx.newHandler(ch.alloc()));
//		}

		pipeline.addLast(new HttpClientCodec());
		// Remove the following line if you don't want automatic content decompression.
		pipeline.addLast(new HttpContentDecompressor());

		// Uncomment the following line if you don't want to handle HttpContents.
		//pipeline.addLast(new HttpObjectAggregator(65536));
		pipeline.addLast(new HttpObjectAggregator(65536 * 3));

		
//		pipeline.addLast(new HttpClientHandler(null, mHttpClientListener));
	}
 

@Override
public void initChannel(SocketChannel ch) {
    ChannelPipeline p = ch.pipeline();

    // Enable HTTPS if necessary.
    if (sslCtx != null) {
        p.addLast(sslCtx.newHandler(ch.alloc()));
    }

    p.addLast(new HttpClientCodec());

    // Remove the following line if you don't want automatic content decompression.
    p.addLast(new HttpContentDecompressor());

    // Uncomment the following line if you don't want to handle HttpContents.
    //p.addLast(new HttpObjectAggregator(1048576));

    p.addLast(new HttpSnoopClientHandler());
}
 

@Override
public void initChannel(SocketChannel ch) {
    ChannelPipeline p = ch.pipeline();

    // 启用 HTTPS .
    if (sslCtx != null) {
        p.addLast(sslCtx.newHandler(ch.alloc()));
    }

    p.addLast(new HttpClientCodec());

    // 如果不想自动处理内容压缩请移除下面这一行.
    p.addLast(new HttpContentDecompressor());

    // 如果不想处理HttpContents就放开下面这行注释.
    //p.addLast(new HttpObjectAggregator(1048576));

    p.addLast(new HttpSnoopClientHandler());
}
 

@Override
public void configure(final ChannelPipeline pipeline) {
    final String scheme = connection.getUri().getScheme();
    if (!WEB_SOCKET.equalsIgnoreCase(scheme) && !WEB_SOCKET_SECURE.equalsIgnoreCase(scheme)) {
        throw new IllegalStateException(String.format("Unsupported scheme (only %s: or %s: supported): %s",
                WEB_SOCKET, WEB_SOCKET_SECURE, scheme));
    }

    if (!supportsSsl() && WEB_SOCKET_SECURE.equalsIgnoreCase(scheme)) {
        throw new IllegalStateException(String.format("To use %s scheme ensure that enableSsl is set to true in "
                        + "configuration",
                WEB_SOCKET_SECURE));
    }

    final int maxContentLength = cluster.connectionPoolSettings().maxContentLength;
    handler = createHandler();

    pipeline.addLast(HTTP_CODEC, new HttpClientCodec());
    pipeline.addLast(AGGREGATOR, new HttpObjectAggregator(maxContentLength));
    pipeline.addLast(WEB_SOCKET_HANDLER, handler);
    pipeline.addLast(GREMLIN_ENCODER, webSocketGremlinRequestEncoder);
    pipeline.addLast(GRELIN_DECODER, webSocketGremlinResponseDecoder);
}
 

private Bootstrap bootstrap(ClientHandler handler) {
    Bootstrap b = new Bootstrap();
    b.group(new NioEventLoopGroup(1))
            .channel(NioSocketChannel.class)
            .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10 * 1000)
            .handler(
                    new ChannelInitializer<Channel>() {
                        @Override
                        public void initChannel(Channel ch) {
                            ChannelPipeline p = ch.pipeline();
                            p.addLast(new ReadTimeoutHandler(10 * 60 * 1000));
                            p.addLast(new HttpClientCodec());
                            p.addLast(new HttpContentDecompressor());
                            p.addLast(new ChunkedWriteHandler());
                            p.addLast(new HttpObjectAggregator(6553600));
                            p.addLast(handler);
                        }
                    });
    return b;
}
 

@Override
public void initChannel(SocketChannel ch) {
    ChannelPipeline pipeline = ch.pipeline();

    if (sslCtx != null) {
        pipeline.addLast("ssl", sslCtx.newHandler(ch.alloc()));
    }

    pipeline.addLast("codec", new HttpClientCodec());

    // Remove the following line if you don't want automatic content decompression.
    pipeline.addLast("inflater", new HttpContentDecompressor());

    // to be used since huge file transfer
    pipeline.addLast("chunkedWriter", new ChunkedWriteHandler());

    pipeline.addLast("handler", new HttpUploadClientHandler());
}
 

@Override
public void channelCreated(Channel channel) {

    NioSocketChannel nioSocketChannel = (NioSocketChannel) channel;
    nioSocketChannel.config().setTcpNoDelay(true).setKeepAlive(true);

    final ChannelPipeline p = nioSocketChannel.pipeline();

    //HTTPS
    if (sslCtx != null) {
        p.addLast(sslCtx.newHandler(channel.alloc()));
    }

    p.addLast(new HttpClientCodec(Integer.MAX_VALUE, Integer.MAX_VALUE, Integer.MAX_VALUE));

    p.addLast(new HttpObjectAggregator(Integer.MAX_VALUE));
}
 

@SuppressWarnings("FutureReturnValueIgnored")
private void releaseDownloadChannel(Channel ch) {
  if (ch.isOpen()) {
    // The channel might have been closed due to an error, in which case its pipeline
    // has already been cleared. Closed channels can't be reused.
    try {
      ch.pipeline().remove(ReadTimeoutHandler.class);
      ch.pipeline().remove(HttpClientCodec.class);
      ch.pipeline().remove(HttpDownloadHandler.class);
    } catch (NoSuchElementException e) {
      // If the channel is in the process of closing but not yet closed, some handlers could have
      // been removed and would cause NoSuchElement exceptions to be thrown. Because handlers are
      // removed in reverse-order, if we get a NoSuchElement exception, the following handlers
      // should have been removed.
    }
  }
  channelPool.release(ch);
}
 

public static Bootstrap createNettyHttpClientBootstrap() {
    Bootstrap bootstrap = new Bootstrap();
    bootstrap.group(new NioEventLoopGroup())
             .channel(NioSocketChannel.class)
             .handler(new ChannelInitializer<SocketChannel>() {
                 @Override
                 protected void initChannel(SocketChannel ch) throws Exception {
                     ChannelPipeline p = ch.pipeline();
                     p.addLast(new HttpClientCodec());
                     p.addLast(new HttpObjectAggregator(Integer.MAX_VALUE));
                     p.addLast("clientResponseHandler", new SimpleChannelInboundHandler<HttpObject>() {
                         @Override
                         protected void channelRead0(ChannelHandlerContext ctx, HttpObject msg) throws Exception {
                             throw new RuntimeException("Client response handler was not setup before the call");
                         }
                     });
                 }
             });

    return bootstrap;
}
 

@Override
public void initChannel(SocketChannel ch) {
    ChannelPipeline p = ch.pipeline();

    // Enable HTTPS if necessary.
    if (sslCtx != null) {
        p.addLast(sslCtx.newHandler(ch.alloc()));
    }

    p.addLast(new HttpClientCodec());

    // Remove the following line if you don't want automatic content decompression.
    p.addLast(new HttpContentDecompressor());

    // Uncomment the following line if you don't want to handle HttpContents.
    //p.addLast(new HttpObjectAggregator(1048576));

    p.addLast(new HttpSnoopClientHandler());
}
 

@Override
public void initChannel(SocketChannel ch) {
    ChannelPipeline pipeline = ch.pipeline();

    if (sslCtx != null) {
        pipeline.addLast("ssl", sslCtx.newHandler(ch.alloc()));
    }

    pipeline.addLast("codec", new HttpClientCodec());

    // Remove the following line if you don't want automatic content decompression.
    pipeline.addLast("inflater", new HttpContentDecompressor());

    // to be used since huge file transfer
    pipeline.addLast("chunkedWriter", new ChunkedWriteHandler());

    pipeline.addLast("handler", new HttpUploadClientHandler());
}
 

@Override
	public void initChannel(SocketChannel ch) {
		ChannelPipeline pipeline = ch.pipeline();

		// Enable HTTPS if necessary.
//		if (sslCtx != null) {
//			pipeline.addLast(sslCtx.newHandler(ch.alloc()));
//		}

		pipeline.addLast(new HttpClientCodec());
		// Remove the following line if you don't want automatic content decompression.
		pipeline.addLast(new HttpContentDecompressor());

		// Uncomment the following line if you don't want to handle HttpContents.
		//pipeline.addLast(new HttpObjectAggregator(65536));
		pipeline.addLast(new HttpObjectAggregator(65536 * 3));

		
//		pipeline.addLast(new HttpClientHandler(null, mHttpClientListener));
	}
 

/**
 * {@link Provides} the list of providers of {@link ChannelHandler}s that are used for https
 * protocol.
 */
@Provides
@HttpsWhoisProtocol
static ImmutableList<Provider<? extends ChannelHandler>> providerHttpsWhoisHandlerProviders(
    @HttpsWhoisProtocol
        Provider<SslClientInitializer<NioSocketChannel>> sslClientInitializerProvider,
    Provider<HttpClientCodec> httpClientCodecProvider,
    Provider<HttpObjectAggregator> httpObjectAggregatorProvider,
    Provider<WebWhoisMessageHandler> messageHandlerProvider,
    Provider<WebWhoisActionHandler> webWhoisActionHandlerProvider) {
  return ImmutableList.of(
      sslClientInitializerProvider,
      httpClientCodecProvider,
      httpObjectAggregatorProvider,
      messageHandlerProvider,
      webWhoisActionHandlerProvider);
}
 

@Provides
@HttpsRelayProtocol
static ImmutableList<Provider<? extends ChannelHandler>> provideHandlerProviders(
    @HttpsRelayProtocol
        Provider<SslClientInitializer<NioSocketChannel>> sslClientInitializerProvider,
    Provider<HttpClientCodec> httpClientCodecProvider,
    Provider<HttpObjectAggregator> httpObjectAggregatorProvider,
    Provider<BackendMetricsHandler> backendMetricsHandlerProvider,
    Provider<LoggingHandler> loggingHandlerProvider,
    Provider<FullHttpResponseRelayHandler> relayHandlerProvider) {
  return ImmutableList.of(
      sslClientInitializerProvider,
      httpClientCodecProvider,
      httpObjectAggregatorProvider,
      backendMetricsHandlerProvider,
      loggingHandlerProvider,
      relayHandlerProvider);
}
 

/**
 * Configure the pipeline for a cleartext upgrade from HTTP to HTTP/2.
 */
private void configureClearText(SocketChannel ch) {
    HttpClientCodec sourceCodec = new HttpClientCodec();
    Http2ClientUpgradeCodec upgradeCodec = new Http2ClientUpgradeCodec(connectionHandler);
    HttpClientUpgradeHandler upgradeHandler = new HttpClientUpgradeHandler(sourceCodec, upgradeCodec, 65536);

    ch.pipeline().addLast("Http2SourceCodec", sourceCodec);
    ch.pipeline().addLast("Http2UpgradeHandler", upgradeHandler);
    ch.pipeline().addLast("Http2UpgradeRequestHandler", new UpgradeRequestHandler());
    ch.pipeline().addLast("Logger", new UserEventLogger());
}
 

/**
 * {@link Provides} the list of providers of {@link ChannelHandler}s that are used for http
 * protocol.
 */
@Provides
@HttpWhoisProtocol
static ImmutableList<Provider<? extends ChannelHandler>> providerHttpWhoisHandlerProviders(
    Provider<HttpClientCodec> httpClientCodecProvider,
    Provider<HttpObjectAggregator> httpObjectAggregatorProvider,
    Provider<WebWhoisMessageHandler> messageHandlerProvider,
    Provider<WebWhoisActionHandler> webWhoisActionHandlerProvider) {
  return ImmutableList.of(
      httpClientCodecProvider,
      httpObjectAggregatorProvider,
      messageHandlerProvider,
      webWhoisActionHandlerProvider);
}
 

private void setHttpInterceptor(ChannelHandlerContext ctx, boolean ssl) {
    ctx.pipeline().addLast("http-codec", new HttpServerCodec());
    ctx.pipeline().addLast(new HttpServerExpectContinueHandler());
    ctx.pipeline().addLast("replay-handler", new ReplayHandler(outboundChannel));

    outboundChannel.pipeline().addLast("http-codec", new HttpClientCodec());
    var httpUpgradeHandler = new HttpUpgradeHandler(ssl, address, messageListener, ctx.pipeline());
    outboundChannel.pipeline().addLast("http-upgrade-handler", httpUpgradeHandler);
    var httpInterceptor = new HttpInterceptor(ssl, address, messageListener);
    outboundChannel.pipeline().addLast("http-interceptor", httpInterceptor);
    outboundChannel.pipeline().addLast("replay-handler", new ReplayHandler(ctx.channel()));
}
 

@Override
protected void buildInputOutputPipeline(final ChannelPipeline pipeline)
{
    pipeline.addLast(new HttpClientCodec());
    pipeline.addLast(new HttpObjectAggregator(65536));
    pipeline.addLast(_webSocketClientHandler);
    pipeline.addLast(_webSocketFramingOutputHandler);
    pipeline.addLast(_webSocketDeframingInputHandler);
    super.buildInputOutputPipeline(pipeline);
}
 

/**
 * Configure the pipeline for a cleartext upgrade from HTTP to HTTP/2.
 */
private void configureClearText(SocketChannel ch) {
    HttpClientCodec sourceCodec = new HttpClientCodec();
    Http2ClientUpgradeCodec upgradeCodec = new Http2ClientUpgradeCodec(connectionHandler);
    HttpClientUpgradeHandler upgradeHandler = new HttpClientUpgradeHandler(sourceCodec, upgradeCodec, 65536);

    ch.pipeline().addLast(sourceCodec,
                          upgradeHandler,
                          new UpgradeRequestHandler(),
                          new UserEventLogger());
}
 

@SuppressWarnings("FutureReturnValueIgnored")
private Future<Channel> acquireDownloadChannel() {
  Promise<Channel> channelReady = eventLoop.next().newPromise();
  channelPool
      .acquire()
      .addListener(
          (Future<Channel> channelAcquired) -> {
            if (!channelAcquired.isSuccess()) {
              channelReady.setFailure(channelAcquired.cause());
              return;
            }

            try {
              Channel ch = channelAcquired.getNow();
              ChannelPipeline p = ch.pipeline();

              if (!isChannelPipelineEmpty(p)) {
                channelReady.setFailure(
                    new IllegalStateException("Channel pipeline is not empty."));
                return;
              }

              ch.pipeline()
                  .addFirst("read-timeout-handler", new ReadTimeoutHandler(timeoutMillis));
              p.addLast(new HttpClientCodec());
              synchronized (credentialsLock) {
                p.addLast(new HttpDownloadHandler(creds));
              }

              channelReady.setSuccess(ch);
            } catch (Throwable t) {
              channelReady.setFailure(t);
            }
          });

  return channelReady;
}
 

@Test
public void handlerRemoved_removesCodec() {
    HttpClientCodec codec = new HttpClientCodec();
    when(mockPipeline.get(eq(HttpClientCodec.class))).thenReturn(codec);

    Promise<Channel> promise = GROUP.next().newPromise();
    ProxyTunnelInitHandler handler = new ProxyTunnelInitHandler(mockChannelPool, REMOTE_HOST, promise);

    handler.handlerRemoved(mockCtx);

    verify(mockPipeline).remove(eq(HttpClientCodec.class));
}
 

@Test
public void successfulProxyResponse_removesSelfAndCodec() {
    Promise<Channel> promise = GROUP.next().newPromise();
    ProxyTunnelInitHandler handler = new ProxyTunnelInitHandler(mockChannelPool, REMOTE_HOST, promise);
    successResponse(handler);

    verify(mockPipeline).remove(eq(handler));
    verify(mockPipeline).remove(any(HttpClientCodec.class));
}
 

@Test
public void addedToPipeline_addsCodec() {
    HttpClientCodec codec = new HttpClientCodec();
    Supplier<HttpClientCodec> codecSupplier = () -> codec;
    when(mockCtx.name()).thenReturn("foo");

    ProxyTunnelInitHandler handler = new ProxyTunnelInitHandler(mockChannelPool, REMOTE_HOST, null, codecSupplier);
    handler.handlerAdded(mockCtx);

    verify(mockPipeline).addBefore(eq("foo"), eq(null), eq(codec));
}
 

/**
 * Begins the opening handshake
 *
 * @param channel
 *            Channel
 * @param promise
 *            the {@link ChannelPromise} to be notified when the opening handshake is sent
 */
public final ChannelFuture handshake(Channel channel, final ChannelPromise promise) {
    FullHttpRequest request =  newHandshakeRequest();

    HttpResponseDecoder decoder = channel.pipeline().get(HttpResponseDecoder.class);
    if (decoder == null) {
        HttpClientCodec codec = channel.pipeline().get(HttpClientCodec.class);
        if (codec == null) {
           promise.setFailure(new IllegalStateException("ChannelPipeline does not contain " +
                   "a HttpResponseDecoder or HttpClientCodec"));
           return promise;
        }
    }

    channel.writeAndFlush(request).addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture future) {
            if (future.isSuccess()) {
                ChannelPipeline p = future.channel().pipeline();
                ChannelHandlerContext ctx = p.context(HttpRequestEncoder.class);
                if (ctx == null) {
                    ctx = p.context(HttpClientCodec.class);
                }
                if (ctx == null) {
                    promise.setFailure(new IllegalStateException("ChannelPipeline does not contain " +
                            "a HttpRequestEncoder or HttpClientCodec"));
                    return;
                }
                p.addAfter(ctx.name(), "ws-encoder", newWebSocketEncoder());

                promise.setSuccess();
            } else {
                promise.setFailure(future.cause());
            }
        }
    });
    return promise;
}
 

protected static int determineHttpClientCodecInboundState(HttpClientCodec currentCodec) {
    try {
        HttpObjectDecoder decoder = (HttpObjectDecoder) httpClientCodecInboundHandlerField.get(currentCodec);
        return ((Enum) httpObjectDecoderCurrentStateField.get(decoder)).ordinal();
    }
    catch (IllegalAccessException e) {
        throw new RuntimeException(e);
    }
}