List of usage examples for io.netty.channel ChannelFuture channel
Channel channel();
From source file:com.chen.opensourceframework.netty.discard.DiscardServer.java
License:Apache License
public static void main(String[] args) throws Exception { // Configure SSL. final SslContext sslCtx; if (SSL) {// w w w.j ava 2s .co m SelfSignedCertificate ssc = new SelfSignedCertificate(); sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey()).build(); } else { sslCtx = null; } EventLoopGroup bossGroup = new NioEventLoopGroup(1); EventLoopGroup workerGroup = new NioEventLoopGroup(); try { ServerBootstrap b = new ServerBootstrap(); b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class) .handler(new LoggingHandler(LogLevel.INFO)) .childHandler(new ChannelInitializer<SocketChannel>() { @Override public void initChannel(SocketChannel ch) { ChannelPipeline p = ch.pipeline(); if (sslCtx != null) { p.addLast(sslCtx.newHandler(ch.alloc())); } p.addLast(new DiscardServerHandler()); } }); // Bind and start to accept incoming connections. ChannelFuture f = b.bind(PORT).sync(); // Wait until the server socket is closed. // In this example, this does not happen, but you can do that to gracefully // shut down your server. f.channel().closeFuture().sync(); } finally { workerGroup.shutdownGracefully(); bossGroup.shutdownGracefully(); } }
From source file:com.chenyang.proxy.EchoClient.java
License:Apache License
public static void start(EventLoopGroup group) throws Exception { // Configure SSL.git final SslContext sslCtx; if (SSL) {//from w ww . j a va 2 s .c o m sslCtx = SslContext.newClientContext(InsecureTrustManagerFactory.INSTANCE); } else { sslCtx = null; } // Configure the client. try { Bootstrap b = new Bootstrap(); b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true) .handler(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 LoggingHandler(LogLevel.INFO)); p.addLast(new EchoClientHandler()); } }); // Start the client. System.out.println(" clients star "); ChannelFuture f = b.connect(HOST, PORT).sync(); // Wait until the connection is closed. f.channel().closeFuture().sync(); } finally { // Shut down the event loop to terminate all threads. group.shutdownGracefully(); } }
From source file:com.chenyang.proxy.EchoServer.java
License:Apache License
public static void start() throws Exception { // Configure SSL. final SslContext sslCtx; if (SSL) {/*from w ww. jav a 2 s.c o m*/ SelfSignedCertificate ssc = new SelfSignedCertificate(); sslCtx = SslContext.newServerContext(ssc.certificate(), ssc.privateKey()); } else { sslCtx = null; } // Configure the server. EventLoopGroup bossGroup = new NioEventLoopGroup(1); EventLoopGroup workerGroup = new NioEventLoopGroup(); try { ServerBootstrap b = new ServerBootstrap(); b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class) .option(ChannelOption.SO_BACKLOG, 100).handler(new LoggingHandler(LogLevel.INFO)) .childHandler(new ChannelInitializer<SocketChannel>() { @Override public void initChannel(SocketChannel ch) throws Exception { ChannelPipeline p = ch.pipeline(); if (sslCtx != null) { p.addLast(sslCtx.newHandler(ch.alloc())); } // p.addLast(new LoggingHandler(LogLevel.INFO)); p.addLast(new EchoServerHandler()); } }); // Start the server. System.out.println(" server start in port " + PORT); ChannelFuture f = b.bind(PORT).sync(); // Wait until the server socket is closed. f.channel().closeFuture().sync(); } finally { // Shut down all event loops to terminate all threads. bossGroup.shutdownGracefully(); workerGroup.shutdownGracefully(); } }
From source file:com.chenyang.proxy.http.HttpUserAgentForwardHandler.java
License:Apache License
@Override public void channelRead(final ChannelHandlerContext uaChannelCtx, final Object msg) throws Exception { final Channel uaChannel = uaChannelCtx.channel(); final HttpRemote apnProxyRemote = uaChannel.attr(HttpConnectionAttribute.ATTRIBUTE_KEY).get().getRemote(); if (msg instanceof HttpRequest) { HttpRequest httpRequest = (HttpRequest) msg; Channel remoteChannel = remoteChannelMap.get(apnProxyRemote.getRemoteAddr()); if (remoteChannel != null && remoteChannel.isActive()) { HttpRequest request = constructRequestForProxy(httpRequest, apnProxyRemote); remoteChannel.writeAndFlush(request); } else {//from w w w .j av a 2 s . c om Bootstrap bootstrap = new Bootstrap(); bootstrap.group(uaChannel.eventLoop()).channel(NioSocketChannel.class) .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10000) .option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT) .option(ChannelOption.AUTO_READ, false) .handler(new HttpRemoteForwardChannelInitializer(uaChannel, this)); ChannelFuture remoteConnectFuture = bootstrap.connect(apnProxyRemote.getInetSocketAddress(), new InetSocketAddress(NetworkUtils.getCyclicLocalIp().getHostAddress(), 0)); remoteChannel = remoteConnectFuture.channel(); remoteChannelMap.put(apnProxyRemote.getRemoteAddr(), remoteChannel); remoteConnectFuture.addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture future) throws Exception { if (future.isSuccess()) { future.channel().write(constructRequestForProxy((HttpRequest) msg, apnProxyRemote)); for (HttpContent hc : httpContentBuffer) { future.channel().writeAndFlush(hc); if (hc instanceof LastHttpContent) { future.channel().writeAndFlush(Unpooled.EMPTY_BUFFER) .addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture future) throws Exception { if (future.isSuccess()) { future.channel().read(); } } }); } } httpContentBuffer.clear(); } else { HttpErrorUtil.writeAndFlush(uaChannel, HttpResponseStatus.INTERNAL_SERVER_ERROR); httpContentBuffer.clear(); future.channel().close(); } } }); } ReferenceCountUtil.release(msg); } else { Channel remoteChannel = remoteChannelMap.get(apnProxyRemote.getRemoteAddr()); HttpContent hc = ((HttpContent) msg); if (remoteChannel != null && remoteChannel.isActive()) { remoteChannel.writeAndFlush(hc); if (hc instanceof LastHttpContent) { remoteChannel.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture future) throws Exception { if (future.isSuccess()) { future.channel().read(); } } }); } } else { httpContentBuffer.add(hc); } } }
From source file:com.chenyang.proxy.http.HttpUserAgentTunnelHandler.java
License:Apache License
@Override public void channelRead(final ChannelHandlerContext uaChannelCtx, Object msg) throws Exception { if (msg instanceof HttpRequest) { // Channel uaChannel = uaChannelCtx.channel(); // connect remote Bootstrap bootstrap = new Bootstrap(); bootstrap.group(uaChannelCtx.channel().eventLoop()).channel(NioSocketChannel.class) .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10000) .option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT) .option(ChannelOption.AUTO_READ, false) .handler(new HttpTunnelChannelInitializer(uaChannelCtx.channel())); final HttpRemote apnProxyRemote = uaChannelCtx.channel().attr(HttpConnectionAttribute.ATTRIBUTE_KEY) .get().getRemote();/*from www.ja va2s . c om*/ bootstrap .connect(apnProxyRemote.getInetSocketAddress(), new InetSocketAddress(NetworkUtils.getCyclicLocalIp().getHostAddress(), 0)) .addListener(new ChannelFutureListener() { @Override public void operationComplete(final ChannelFuture future1) throws Exception { if (future1.isSuccess()) { HttpResponse proxyConnectSuccessResponse = new DefaultFullHttpResponse( HttpVersion.HTTP_1_1, new HttpResponseStatus(200, "Connection established")); uaChannelCtx.writeAndFlush(proxyConnectSuccessResponse) .addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture future2) throws Exception { // remove handlers uaChannelCtx.pipeline().remove("codec"); uaChannelCtx.pipeline().remove(HttpPreHandler.HANDLER_NAME); uaChannelCtx.pipeline() .remove(HttpUserAgentTunnelHandler.HANDLER_NAME); uaChannelCtx.pipeline() .addLast(new HttpRelayHandler( "UA --> " + apnProxyRemote.getRemoteAddr(), future1.channel())); } }); } else { if (uaChannelCtx.channel().isActive()) { uaChannelCtx.channel().writeAndFlush(Unpooled.EMPTY_BUFFER) .addListener(ChannelFutureListener.CLOSE); } } } }); } ReferenceCountUtil.release(msg); }
From source file:com.cloudera.livy.client.local.rpc.Rpc.java
License:Apache License
/** * Creates an RPC client for a server running on the given remote host and port. * * @param config RPC configuration data. * @param eloop Event loop for managing the connection. * @param host Host name or IP address to connect to. * @param port Port where server is listening. * @param clientId The client ID that identifies the connection. * @param secret Secret for authenticating the client with the server. * @param dispatcher Dispatcher used to handle RPC calls. * @return A future that can be used to monitor the creation of the RPC object. *///from w w w .ja v a 2s. c o m public static Promise<Rpc> createClient(final LocalConf config, final EventLoopGroup eloop, String host, int port, final String clientId, final String secret, final RpcDispatcher dispatcher) throws Exception { int connectTimeoutMs = (int) config.getTimeAsMs(RPC_CLIENT_CONNECT_TIMEOUT); final ChannelFuture cf = new Bootstrap().group(eloop).handler(new ChannelInboundHandlerAdapter() { }).channel(NioSocketChannel.class).option(ChannelOption.SO_KEEPALIVE, true) .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, connectTimeoutMs).connect(host, port); final Promise<Rpc> promise = eloop.next().newPromise(); final AtomicReference<Rpc> rpc = new AtomicReference<Rpc>(); // Set up a timeout to undo everything. final Runnable timeoutTask = new Runnable() { @Override public void run() { promise.setFailure(new TimeoutException("Timed out waiting for RPC server connection.")); } }; final ScheduledFuture<?> timeoutFuture = eloop.schedule(timeoutTask, config.getTimeAsMs(RPC_CLIENT_HANDSHAKE_TIMEOUT), TimeUnit.MILLISECONDS); // The channel listener instantiates the Rpc instance when the connection is established, // and initiates the SASL handshake. cf.addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture cf) throws Exception { if (cf.isSuccess()) { SaslClientHandler saslHandler = new SaslClientHandler(config, clientId, promise, timeoutFuture, secret, dispatcher); Rpc rpc = createRpc(config, saslHandler, (SocketChannel) cf.channel(), eloop); saslHandler.rpc = rpc; saslHandler.sendHello(cf.channel()); } else { promise.setFailure(cf.cause()); } } }); // Handle cancellation of the promise. promise.addListener(new GenericFutureListener<Promise<Rpc>>() { @Override public void operationComplete(Promise<Rpc> p) { if (p.isCancelled()) { cf.cancel(true); } } }); return promise; }
From source file:com.cloudera.livy.rsc.rpc.Rpc.java
License:Apache License
/** * Creates an RPC client for a server running on the given remote host and port. * * @param config RPC configuration data. * @param eloop Event loop for managing the connection. * @param host Host name or IP address to connect to. * @param port Port where server is listening. * @param clientId The client ID that identifies the connection. * @param secret Secret for authenticating the client with the server. * @param dispatcher Dispatcher used to handle RPC calls. * @return A future that can be used to monitor the creation of the RPC object. *//* www.ja va2 s . co m*/ public static Promise<Rpc> createClient(final RSCConf config, final EventLoopGroup eloop, String host, int port, final String clientId, final String secret, final RpcDispatcher dispatcher) throws Exception { int connectTimeoutMs = (int) config.getTimeAsMs(RPC_CLIENT_CONNECT_TIMEOUT); final ChannelFuture cf = new Bootstrap().group(eloop).handler(new ChannelInboundHandlerAdapter() { }).channel(NioSocketChannel.class).option(ChannelOption.SO_KEEPALIVE, true) .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, connectTimeoutMs).connect(host, port); final Promise<Rpc> promise = eloop.next().newPromise(); final AtomicReference<Rpc> rpc = new AtomicReference<Rpc>(); // Set up a timeout to undo everything. final Runnable timeoutTask = new Runnable() { @Override public void run() { promise.setFailure(new TimeoutException("Timed out waiting for RPC server connection.")); } }; final ScheduledFuture<?> timeoutFuture = eloop.schedule(timeoutTask, config.getTimeAsMs(RPC_CLIENT_HANDSHAKE_TIMEOUT), TimeUnit.MILLISECONDS); // The channel listener instantiates the Rpc instance when the connection is established, // and initiates the SASL handshake. cf.addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture cf) throws Exception { if (cf.isSuccess()) { SaslClientHandler saslHandler = new SaslClientHandler(config, clientId, promise, timeoutFuture, secret, dispatcher); Rpc rpc = createRpc(config, saslHandler, (SocketChannel) cf.channel(), eloop); saslHandler.rpc = rpc; saslHandler.sendHello(cf.channel()); } else { promise.setFailure(cf.cause()); } } }); // Handle cancellation of the promise. promise.addListener(new GenericFutureListener<Promise<Rpc>>() { @Override public void operationComplete(Promise<Rpc> p) { if (p.isCancelled()) { cf.cancel(true); } } }); return promise; }
From source file:com.cloudhopper.smpp.impl.DefaultSmppClient.java
License:Apache License
protected Channel createConnectedChannel(String host, int port, long connectTimeoutMillis) throws SmppTimeoutException, SmppChannelException, InterruptedException { // a socket address used to "bind" to the remote system InetSocketAddress socketAddr = new InetSocketAddress(host, port); // attempt to connect to the remote system ChannelFuture connectFuture = this.clientBootstrap.connect(socketAddr); // wait until the connection is made successfully boolean timeout = !connectFuture.await(connectTimeoutMillis); if (timeout) { throw new SmppChannelConnectTimeoutException("Unable to connect to host [" + host + "] and port [" + port + "] within " + connectTimeoutMillis + " ms"); }/*from w w w.j av a2 s . c om*/ if (!connectFuture.isSuccess()) { throw new SmppChannelConnectException("Unable to connect to host [" + host + "] and port [" + port + "]: " + connectFuture.cause().getMessage(), connectFuture.cause()); } // if we get here, then we were able to connect and get a channel return connectFuture.channel(); }
From source file:com.cloudhopper.smpp.impl.DefaultSmppServer.java
License:Apache License
@Override public void start() throws SmppChannelException { if (isDestroyed()) { throw new SmppChannelException("Unable to start: server is destroyed"); }//from w w w . j a v a 2 s . c om try { ChannelFuture f = this.serverBootstrap.bind(new InetSocketAddress(configuration.getPort())); // wait until the connection is made successfully boolean timeout = !f.await(configuration.getBindTimeout()); if (timeout || !f.isSuccess()) throw new SmppChannelException("Can't bind to port " + configuration.getPort() + " after " + configuration.getBindTimeout() + " milliseconds"); logger.info("{} started on SMPP port [{}]", configuration.getName(), configuration.getPort()); serverChannel = f.channel(); } catch (ChannelException e) { throw new SmppChannelException(e.getMessage(), e); } catch (InterruptedException e) { throw new SmppChannelException(e.getMessage(), e); } }
From source file:com.cloudhopper.smpp.simulator.SmppSimulatorServer.java
License:Apache License
public void start(int port) { logger.info("Simulator server starting on port " + port + "..."); ChannelFuture f = this.serverBootstrap.bind(new InetSocketAddress(port)).syncUninterruptibly(); serverChannel = f.channel(); logger.info("Simulator server started"); }