List of usage examples for io.netty.channel ChannelFutureListener ChannelFutureListener
ChannelFutureListener
From source file:MultiThreadClient.java
License:Apache License
public void run() throws Exception { try {//from w w w. j av a 2 s . co m Bootstrap b = new Bootstrap(); b.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true) .handler(new ChannelDuplexHandler() { @Override public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception { System.out.println( index + "-??:" + msg + "Read:" + Thread.currentThread()); } @Override public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) throws Exception { ChannelFuture future = ctx.writeAndFlush(msg, promise); System.out.println(index + "-Write:" + Thread.currentThread()); Thread.yield(); Thread.yield(); future.addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture channelFuture) throws Exception { System.out.println(index + "-Listener" + "Lintener:" + Thread.currentThread()); } }); } }); // Make the connection attempt. ChannelFuture f = b.connect(host, port).sync(); for (int i = 0; i < 10; i++) { f.channel().writeAndFlush(Unpooled.wrappedBuffer(new byte[10])); } // Wait until the connection is closed. f.channel().closeFuture(); } finally { //group.shutdownGracefully(); } }
From source file:NettyInboundHttpTargetHandler.java
License:Apache License
@Override public void channelRead(final ChannelHandlerContext ctx, Object msg) throws Exception { // System.out.println("Receving data"); inboundChannel.writeAndFlush(msg).addListener(new ChannelFutureListener() { @Override/*from w ww . j a va2 s.c o m*/ public void operationComplete(ChannelFuture future) throws Exception { if (future.isSuccess()) { ctx.channel().read(); } else { future.channel().close(); } } }); }
From source file:NettyHttpTransportSourceHandler.java
License:Apache License
/** * activating registered handler to accept events. * * @param ctx//from w w w .j a v a 2s. c om * @throws Exception */ @Override public void channelActive(ChannelHandlerContext ctx) throws Exception { final Channel inboundChannel = ctx.channel(); Bootstrap b = new Bootstrap(); b.group(inboundChannel.eventLoop()).channel(ctx.channel().getClass()); b.handler(new NettyTargetHandlerInitilizer(inboundChannel)).option(ChannelOption.AUTO_READ, false); b.option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT); b.option(ChannelOption.TCP_NODELAY, true); b.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 15000); b.option(ChannelOption.SO_SNDBUF, 1048576); b.option(ChannelOption.SO_RCVBUF, 1048576); ChannelFuture f = b.connect(NettyHttpListner.HOST, NettyHttpListner.HOST_PORT); outboundChannel = f.channel(); f.addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture future) throws Exception { if (future.isSuccess()) { // connection complete start to read first data inboundChannel.read(); } else { // Close the connection if the connection attempt has failed. inboundChannel.close(); } } }); }
From source file:NettyHttpTransportSourceHandler.java
License:Apache License
/** * receiving events through netty.//from w w w. j a v a 2 s . co m * * @param ctx * @param msg * @throws Exception */ @Override public void channelRead(final ChannelHandlerContext ctx, Object msg) throws Exception { if (outboundChannel.isActive()) { outboundChannel.writeAndFlush(msg).addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture future) throws Exception { if (future.isSuccess()) { // was able to flush out data, start to read the next chunk ctx.channel().read(); } else { future.channel().close(); } } }); } else { // System.out.println("Outbound Channel Not Active"); } }
From source file:c5db.control.ControlService.java
License:Apache License
private void startHttpRpc() { try {//from w ww . j av a 2 s.c om ServerBootstrap serverBootstrap = new ServerBootstrap(); ServerBootstrap serverBootstrap1 = serverBootstrap.group(acceptConnectionGroup, ioWorkerGroup) .channel(NioServerSocketChannel.class).option(ChannelOption.SO_REUSEADDR, true) .option(ChannelOption.SO_BACKLOG, 100).childOption(ChannelOption.TCP_NODELAY, true) .childHandler(new ChannelInitializer<SocketChannel>() { @Override protected void initChannel(SocketChannel ch) throws Exception { ChannelPipeline pipeline = ch.pipeline(); // pipeline.addLast("logger", new LoggingHandler(LogLevel.DEBUG)); pipeline.addLast("http-server", new HttpServerCodec()); pipeline.addLast("aggregator", new HttpObjectAggregator(C5ServerConstants.MAX_CALL_SIZE)); pipeline.addLast("encode", new ServerHttpProtostuffEncoder()); pipeline.addLast("decode", new ServerHttpProtostuffDecoder()); pipeline.addLast("translate", new ServerDecodeCommandRequest()); pipeline.addLast("inc-messages", new MessageHandler()); } }); serverBootstrap.bind(modulePort).addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture future) throws Exception { if (future.isSuccess()) { // yay listenChannel = future.channel(); notifyStarted(); } else { LOG.error("Unable to bind to port {}", modulePort); notifyFailed(future.cause()); } } }); } catch (Exception e) { notifyFailed(e); } }
From source file:c5db.control.SimpleControlClient.java
License:Apache License
public ListenableFuture<CommandReply> sendRequest(CommandRpcRequest<?> request, InetSocketAddress remoteAddress) { SettableFuture<CommandReply> replyMessageFuture = SettableFuture.create(); ChannelFuture connectFuture = client.connect(remoteAddress); connectFuture.addListener(new ChannelFutureListener() { @Override//from w ww .j a v a 2s . co m public void operationComplete(ChannelFuture future) throws Exception { if (future.isSuccess()) { future.channel().pipeline().addLast(new SimpleChannelInboundHandler<CommandReply>() { @Override protected void channelRead0(ChannelHandlerContext ctx, CommandReply msg) throws Exception { replyMessageFuture.set(msg); ctx.channel().close(); } }); // connected is fine, flush message: future.channel().writeAndFlush(request); } else { replyMessageFuture.setException(future.cause()); future.channel().close(); } } }); return replyMessageFuture; }
From source file:c5db.regionserver.RegionServerService.java
License:Apache License
@Override protected void doStart() { fiber.start();/*from w w w.jav a 2s . c o m*/ fiber.execute(() -> { // we need the tablet module: ListenableFuture<C5Module> f = server.getModule(ModuleType.Tablet); Futures.addCallback(f, new FutureCallback<C5Module>() { @Override public void onSuccess(final C5Module result) { tabletModule = (TabletModule) result; bootstrap.group(acceptGroup, workerGroup).option(ChannelOption.SO_REUSEADDR, true) .childOption(ChannelOption.TCP_NODELAY, true).channel(NioServerSocketChannel.class) .childHandler(new ChannelInitializer<SocketChannel>() { @Override protected void initChannel(SocketChannel ch) throws Exception { ChannelPipeline p = ch.pipeline(); p.addLast("http-server-codec", new HttpServerCodec()); p.addLast("http-agg", new HttpObjectAggregator(C5ServerConstants.MAX_CALL_SIZE)); p.addLast("websocket-agg", new WebSocketFrameAggregator(C5ServerConstants.MAX_CALL_SIZE)); p.addLast("decoder", new WebsocketProtostuffDecoder("/websocket")); p.addLast("encoder", new WebsocketProtostuffEncoder()); p.addLast("handler", new RegionServerHandler(RegionServerService.this)); } }); bootstrap.bind(port).addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture future) throws Exception { if (future.isSuccess()) { listenChannel = future.channel(); notifyStarted(); } else { LOG.error("Unable to find Region Server to {} {}", port, future.cause()); notifyFailed(future.cause()); } } }); } @Override public void onFailure(Throwable t) { notifyFailed(t); } }, fiber); }); }
From source file:cc.agentx.client.net.nio.XConnectHandler.java
License:Apache License
@Override public void channelRead0(final ChannelHandlerContext ctx, final SocksCmdRequest request) throws Exception { boolean proxyMode = isAgentXNeeded(request.host()); log.info("\tClient -> Proxy \tTarget {}:{} [{}]", request.host(), request.port(), proxyMode ? "AGENTX" : "DIRECT"); Promise<Channel> promise = ctx.executor().newPromise(); promise.addListener(new FutureListener<Channel>() { @Override//from w ww . j a va2s . c om public void operationComplete(final Future<Channel> future) throws Exception { final Channel outboundChannel = future.getNow(); if (future.isSuccess()) { ctx.channel().writeAndFlush(new SocksCmdResponse(SocksCmdStatus.SUCCESS, request.addressType())) .addListener(channelFuture -> { ByteBuf byteBuf = Unpooled.buffer(); request.encodeAsByteBuf(byteBuf); if (byteBuf.hasArray()) { byte[] xRequestBytes = new byte[byteBuf.readableBytes()]; byteBuf.getBytes(0, xRequestBytes); if (proxyMode) { // handshaking to remote proxy xRequestBytes = requestWrapper.wrap(xRequestBytes); outboundChannel.writeAndFlush(Unpooled.wrappedBuffer( exposeRequest ? xRequestBytes : wrapper.wrap(xRequestBytes))); } // task handover ReferenceCountUtil.retain(request); // auto-release? a trap? ctx.pipeline().remove(XConnectHandler.this); outboundChannel.pipeline().addLast(new XRelayHandler(ctx.channel(), proxyMode ? wrapper : rawWrapper, false)); ctx.pipeline().addLast(new XRelayHandler(outboundChannel, proxyMode ? wrapper : rawWrapper, true)); } }); } else { ctx.channel() .writeAndFlush(new SocksCmdResponse(SocksCmdStatus.FAILURE, request.addressType())); if (ctx.channel().isActive()) { ctx.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE); } } } }); String host = request.host(); int port = request.port(); if (host.equals(config.getConsoleDomain())) { host = "localhost"; port = config.getConsolePort(); } else if (proxyMode) { host = config.getServerHost(); port = config.getServerPort(); } // ping target bootstrap.group(ctx.channel().eventLoop()).channel(NioSocketChannel.class) .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10000).option(ChannelOption.SO_KEEPALIVE, true) .handler(new XPingHandler(promise, System.currentTimeMillis())).connect(host, port) .addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture future) throws Exception { if (!future.isSuccess()) { ctx.channel().writeAndFlush( new SocksCmdResponse(SocksCmdStatus.FAILURE, request.addressType())); if (ctx.channel().isActive()) { ctx.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE); } } } }); }
From source file:cc.agentx.server.net.nio.XConnectHandler.java
License:Apache License
@Override public void channelRead(ChannelHandlerContext ctx, Object msg) { try {// w w w.ja va2 s . c o m ByteBuf byteBuf = (ByteBuf) msg; if (!byteBuf.hasArray()) { byte[] bytes = new byte[byteBuf.readableBytes()]; byteBuf.getBytes(0, bytes); if (!requestParsed) { if (!exposedRequest) { bytes = wrapper.unwrap(bytes); if (bytes == null) { log.info("\tClient -> Proxy \tHalf Request"); return; } } XRequest xRequest = requestWrapper.parse(bytes); String host = xRequest.getHost(); int port = xRequest.getPort(); int dataLength = xRequest.getSubsequentDataLength(); if (dataLength > 0) { byte[] tailData = Arrays.copyOfRange(bytes, bytes.length - dataLength, bytes.length); if (exposedRequest) { tailData = wrapper.unwrap(tailData); if (tailData != null) { tailDataBuffer.write(tailData, 0, tailData.length); } } else { tailDataBuffer.write(tailData, 0, tailData.length); } } log.info("\tClient -> Proxy \tTarget {}:{}{}", host, port, DnsCache.isCached(host) ? " [Cached]" : ""); if (xRequest.getAtyp() == XRequest.Type.DOMAIN) { try { host = DnsCache.get(host); if (host == null) { host = xRequest.getHost(); } } catch (UnknownHostException e) { log.warn("\tClient <- Proxy \tBad DNS! ({})", e.getMessage()); ctx.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE); return; } } Promise<Channel> promise = ctx.executor().newPromise(); promise.addListener(new FutureListener<Channel>() { @Override public void operationComplete(final Future<Channel> future) throws Exception { final Channel outboundChannel = future.getNow(); if (future.isSuccess()) { // handle tail byte[] tailData = tailDataBuffer.toByteArray(); tailDataBuffer.close(); if (tailData.length > 0) { log.info("\tClient ==========> Target \tSend Tail [{} bytes]", tailData.length); } outboundChannel .writeAndFlush((tailData.length > 0) ? Unpooled.wrappedBuffer(tailData) : Unpooled.EMPTY_BUFFER) .addListener(channelFuture -> { // task handover outboundChannel.pipeline() .addLast(new XRelayHandler(ctx.channel(), wrapper, false)); ctx.pipeline() .addLast(new XRelayHandler(outboundChannel, wrapper, true)); ctx.pipeline().remove(XConnectHandler.this); }); } else { if (ctx.channel().isActive()) { ctx.writeAndFlush(Unpooled.EMPTY_BUFFER) .addListener(ChannelFutureListener.CLOSE); } } } }); final String finalHost = host; bootstrap.group(ctx.channel().eventLoop()).channel(NioSocketChannel.class) .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10000) .option(ChannelOption.SO_KEEPALIVE, true) .handler(new XPingHandler(promise, System.currentTimeMillis())).connect(host, port) .addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture future) throws Exception { if (!future.isSuccess()) { if (ctx.channel().isActive()) { log.warn("\tClient <- Proxy \tBad Ping! ({}:{})", finalHost, port); ctx.writeAndFlush(Unpooled.EMPTY_BUFFER) .addListener(ChannelFutureListener.CLOSE); } } } }); requestParsed = true; } else { bytes = wrapper.unwrap(bytes); if (bytes != null) tailDataBuffer.write(bytes, 0, bytes.length); } } } finally { ReferenceCountUtil.release(msg); } }
From source file:cloudeventbus.client.EventBusImpl.java
License:Open Source License
private void connect() { synchronized (lock) { if (closed) { return; }// w w w . java2s . c o m serverReady = false; } final ServerList.Server server = servers.nextServer(); LOGGER.debug("Attempting connecting to {}", server.getAddress()); new Bootstrap().group(eventLoopGroup).remoteAddress(server.getAddress()).channel(NioSocketChannel.class) .handler(new ClientChannelInitializer()).connect().addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture future) throws Exception { if (future.isSuccess()) { LOGGER.debug("Connection to {} successful", server.getAddress()); server.connectionSuccess(); synchronized (lock) { channel = future.channel(); if (closed) { channel.close(); } } } else { LOGGER.warn("Connection to {} failed", server.getAddress()); server.connectionFailure(); scheduleReconnect(); fireStateChange(ConnectionState.CONNECTION_FAILED, null); } } }); }