Package io.netty.channel

Examples of io.netty.channel.EventLoopGroup

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        g.shutdownGracefully();
    }

    @Test
    public void testTooManyClientChannels() throws Exception {
        EventLoopGroup g = new OioEventLoopGroup(1);
        ServerBootstrap sb = new ServerBootstrap();
        sb.channel(OioServerSocketChannel.class);
        sb.group(g);
        sb.childHandler(new ChannelHandlerAdapter());
        ChannelFuture f1 = sb.bind(0);
        f1.sync();

        Bootstrap cb = new Bootstrap();
        cb.channel(OioSocketChannel.class);
        cb.group(g);
        cb.handler(new ChannelHandlerAdapter());
        ChannelFuture f2 = cb.connect(NetUtil.LOCALHOST, ((InetSocketAddress) f1.channel().localAddress()).getPort());
        f2.await();

        assertThat(f2.cause(), is(instanceOf(ChannelException.class)));
        assertThat(f2.cause().getMessage().toLowerCase(), containsString("too many channels"));

        final CountDownLatch notified = new CountDownLatch(1);
        f2.addListener(new ChannelFutureListener() {
            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                notified.countDown();
            }
        });

        notified.await();
        g.shutdownGracefully();
    }
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        g.shutdownGracefully();
    }

    @Test
    public void testTooManyAcceptedChannels() throws Exception {
        EventLoopGroup g = new OioEventLoopGroup(1);
        ServerBootstrap sb = new ServerBootstrap();
        sb.channel(OioServerSocketChannel.class);
        sb.group(g);
        sb.childHandler(new ChannelHandlerAdapter());
        ChannelFuture f1 = sb.bind(0);
        f1.sync();

        Socket s = new Socket(NetUtil.LOCALHOST, ((InetSocketAddress) f1.channel().localAddress()).getPort());
        assertThat(s.getInputStream().read(), is(-1));
        s.close();

        g.shutdownGracefully();
    }
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                    0, 0);
        } else {
            sslCtx = null;
        }

        EventLoopGroup workerGroup = new NioEventLoopGroup();
        Http2ClientInitializer initializer = new Http2ClientInitializer(sslCtx, Integer.MAX_VALUE);

        try {
            // Configure the client.
            Bootstrap b = new Bootstrap();
            b.group(workerGroup);
            b.channel(NioSocketChannel.class);
            b.option(ChannelOption.SO_KEEPALIVE, true);
            b.remoteAddress(HOST, PORT);
            b.handler(initializer);

            // Start the client.
            Channel channel = b.connect().syncUninterruptibly().channel();
            System.out.println("Connected to [" + HOST + ':' + PORT + ']');

            // Wait for the HTTP/2 upgrade to occur.
            Http2SettingsHandler http2SettingsHandler = initializer.settingsHandler();
            http2SettingsHandler.awaitSettings(5, TimeUnit.SECONDS);

            HttpResponseHandler responseHandler = initializer.responseHandler();
            int streamId = 3;
            URI hostName = URI.create((SSL ? "https" : "http") + "://" + HOST + ':' + PORT);
            System.err.println("Sending request(s)...");
            if (URL != null) {
                // Create a simple GET request.
                FullHttpRequest request = new DefaultFullHttpRequest(HTTP_1_1, GET, URL);
                request.headers().addObject(HttpHeaderNames.HOST, hostName);
                request.headers().add(HttpHeaderNames.ACCEPT_ENCODING, HttpHeaderValues.GZIP);
                request.headers().add(HttpHeaderNames.ACCEPT_ENCODING, HttpHeaderValues.DEFLATE);
                channel.writeAndFlush(request);
                responseHandler.put(streamId, channel.newPromise());
                streamId += 2;
            }
            if (URL2 != null) {
                // Create a simple POST request with a body.
                FullHttpRequest request = new DefaultFullHttpRequest(HTTP_1_1, POST, URL2,
                                Unpooled.copiedBuffer(URL2DATA.getBytes(CharsetUtil.UTF_8)));
                request.headers().addObject(HttpHeaderNames.HOST, hostName);
                request.headers().add(HttpHeaderNames.ACCEPT_ENCODING, HttpHeaderValues.GZIP);
                request.headers().add(HttpHeaderNames.ACCEPT_ENCODING, HttpHeaderValues.DEFLATE);
                channel.writeAndFlush(request);
                responseHandler.put(streamId, channel.newPromise());
                streamId += 2;
            }
            responseHandler.awaitResponses(5, TimeUnit.SECONDS);
            System.out.println("Finished HTTP/2 request(s)");

            // Wait until the connection is closed.
            channel.close().syncUninterruptibly();
        } finally {
            workerGroup.shutdownGracefully();
        }
    }
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                        SelectedProtocol.SPDY_3_1.protocolName(),
                        SelectedProtocol.HTTP_1_1.protocolName()),
                0, 0);

        HttpResponseClientHandler httpResponseHandler = new HttpResponseClientHandler();
        EventLoopGroup workerGroup = new NioEventLoopGroup();

        try {
            Bootstrap b = new Bootstrap();
            b.group(workerGroup);
            b.channel(NioSocketChannel.class);
            b.option(ChannelOption.SO_KEEPALIVE, true);
            b.remoteAddress(HOST, PORT);
            b.handler(new SpdyClientInitializer(sslCtx, httpResponseHandler));

            // Start the client.
            Channel channel = b.connect().syncUninterruptibly().channel();
            System.out.println("Connected to " + HOST + ':' + PORT);

            // Create a GET request.
            HttpRequest request = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, "");
            request.headers().set(HttpHeaderNames.HOST, HOST);
            request.headers().set(HttpHeaderNames.ACCEPT_ENCODING, HttpHeaderValues.GZIP);

            // Send the GET request.
            channel.writeAndFlush(request).sync();

            // Waits for the complete HTTP response
            httpResponseHandler.queue().take().sync();
            System.out.println("Finished SPDY HTTP GET");

            // Wait until the connection is closed.
            channel.close().syncUninterruptibly();
        } finally {
            if (workerGroup != null) {
                workerGroup.shutdownGracefully();
            }
        }
    }
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        if (!file.canRead()) {
            throw new FileNotFoundException(FILE);
        }

        // Configure the client.
        EventLoopGroup group = new NioEventLoopGroup();

        // setup the factory: here using a mixed memory/disk based on size threshold
        HttpDataFactory factory = new DefaultHttpDataFactory(DefaultHttpDataFactory.MINSIZE); // Disk if MINSIZE exceed

        DiskFileUpload.deleteOnExitTemporaryFile = true; // should delete file on exit (in normal exit)
        DiskFileUpload.baseDirectory = null; // system temp directory
        DiskAttribute.deleteOnExitTemporaryFile = true; // should delete file on exit (in normal exit)
        DiskAttribute.baseDirectory = null; // system temp directory

        try {
            Bootstrap b = new Bootstrap();
            b.group(group).channel(NioSocketChannel.class).handler(new HttpUploadClientIntializer(sslCtx));

            // Simple Get form: no factory used (not usable)
            List<Entry<String, String>> headers = formget(b, host, port, get, uriSimple);
            if (headers == null) {
                factory.cleanAllHttpData();
                return;
            }

            // Simple Post form: factory used for big attributes
            List<InterfaceHttpData> bodylist = formpost(b, host, port, uriSimple, file, factory, headers);
            if (bodylist == null) {
                factory.cleanAllHttpData();
                return;
            }

            // Multipart Post form: factory used
            formpostmultipart(b, host, port, uriFile, factory, headers, bodylist);
        } finally {
            // Shut down executor threads to exit.
            group.shutdownGracefully();

            // Really clean all temporary files if they still exist
            factory.cleanAllHttpData();
        }
    }
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        } else {
            sslCtx = null;
        }

        // Configure the client.
        EventLoopGroup group = new NioEventLoopGroup();
        try {
            Bootstrap b = new Bootstrap();
            b.group(group)
             .channel(NioSocketChannel.class)
             .handler(new HttpSnoopClientInitializer(sslCtx));

            // Make the connection attempt.
            Channel ch = b.connect(host, port).sync().channel();

            // Prepare the HTTP request.
            HttpRequest request = new DefaultFullHttpRequest(
                    HttpVersion.HTTP_1_1, HttpMethod.GET, uri.getRawPath());
            request.headers().set(HttpHeaderNames.HOST, host);
            request.headers().set(HttpHeaderNames.CONNECTION, HttpHeaderValues.CLOSE);
            request.headers().set(HttpHeaderNames.ACCEPT_ENCODING, HttpHeaderValues.GZIP);

            // Set some example cookies.
            request.headers().set(
                    HttpHeaderNames.COOKIE,
                    ClientCookieEncoder.encode(
                            new DefaultCookie("my-cookie", "foo"),
                            new DefaultCookie("another-cookie", "bar")));

            // Send the HTTP request.
            ch.writeAndFlush(request);

            // Wait for the server to close the connection.
            ch.closeFuture().sync();
        } finally {
            // Shut down executor threads to exit.
            group.shutdownGracefully();
        }
    }
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            sslCtx = SslContext.newClientContext(InsecureTrustManagerFactory.INSTANCE);
        } else {
            sslCtx = null;
        }

        EventLoopGroup group = new NioEventLoopGroup();
        try {
            // Connect with V13 (RFC 6455 aka HyBi-17). You can change it to V08 or V00.
            // If you change it to V00, ping is not supported and remember to change
            // HttpResponseDecoder to WebSocketHttpResponseDecoder in the pipeline.
            final WebSocketClientHandler handler =
                    new WebSocketClientHandler(
                            WebSocketClientHandshakerFactory.newHandshaker(
                                    uri, WebSocketVersion.V13, null, false, new DefaultHttpHeaders()));

            Bootstrap b = new Bootstrap();
            b.group(group)
             .channel(NioSocketChannel.class)
             .handler(new ChannelInitializer<SocketChannel>() {
                 @Override
                 protected void initChannel(SocketChannel ch) {
                     ChannelPipeline p = ch.pipeline();
                     if (sslCtx != null) {
                         p.addLast(sslCtx.newHandler(ch.alloc(), host, port));
                     }
                     p.addLast(
                             new HttpClientCodec(),
                             new HttpObjectAggregator(8192),
                             new WebSocketClientCompressionHandler(),
                             handler);
                 }
             });

            Channel ch = b.connect(uri.getHost(), port).sync().channel();
            handler.handshakeFuture().sync();

            BufferedReader console = new BufferedReader(new InputStreamReader(System.in));
            while (true) {
                String msg = console.readLine();
                if (msg == null) {
                    break;
                } else if ("bye".equals(msg.toLowerCase())) {
                    ch.writeAndFlush(new CloseWebSocketFrame());
                    ch.closeFuture().sync();
                    break;
                } else if ("ping".equals(msg.toLowerCase())) {
                    WebSocketFrame frame = new PingWebSocketFrame(Unpooled.wrappedBuffer(new byte[] { 8, 1, 8, 1 }));
                    ch.writeAndFlush(frame);
                } else {
                    WebSocketFrame frame = new TextWebSocketFrame(msg);
                    ch.writeAndFlush(frame);
                }
            }
        } finally {
            group.shutdownGracefully();
        }
    }
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                    0, 0);
        } else {
            sslCtx = null;
        }

        EventLoopGroup group = new NioEventLoopGroup();
        try {
            Bootstrap b = new Bootstrap();
            b.group(group)
                    .channel(NioSocketChannel.class)
                    .handler(new ChannelInitializer<SocketChannel>() {
                        @Override
                        protected void initChannel(SocketChannel ch) throws Exception {
                            ChannelPipeline p = ch.pipeline();
                            if (sslCtx != null) {
                                p.addLast(sslCtx.newHandler(ch.alloc(), HOST, PORT));
                            }
                            p.addLast(new BinaryMemcacheClientCodec());
                            p.addLast(new BinaryMemcacheObjectAggregator(Integer.MAX_VALUE));
                            p.addLast(new MemcacheClientHandler());
                        }
                    });

            // Start the connection attempt.
            Channel ch = b.connect(HOST, PORT).sync().channel();

            // Read commands from the stdin.
            System.out.println("Enter commands (quit to end)");
            System.out.println("get <key>");
            System.out.println("set <key> <value>");
            ChannelFuture lastWriteFuture = null;
            BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
            for (;;) {
                String line = in.readLine();
                if (line == null) {
                    break;
                }
                if ("quit".equals(line.toLowerCase())) {
                    ch.close().sync();
                    break;
                }
                // Sends the received line to the server.
                lastWriteFuture = ch.writeAndFlush(line);
            }

            // Wait until all messages are flushed before closing the channel.
            if (lastWriteFuture != null) {
                lastWriteFuture.sync();
            }
        } finally {
            group.shutdownGracefully();
        }
    }
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