List of usage examples for io.netty.util.concurrent Promise addListener
@Override
Promise<V> addListener(GenericFutureListener<? extends Future<? super V>> listener);
From source file:org.redisson.misc.ConnectionPool.java
License:Apache License
private void scheduleCheck(final ClientConnectionsEntry entry) { connectionManager.getConnectionEventsHub().fireDisconnect(entry.getClient().getAddr()); connectionManager.newTimeout(new TimerTask() { @Override// w ww. ja va2s. co m public void run(Timeout timeout) throws Exception { if (entry.getFreezeReason() != FreezeReason.RECONNECT || !entry.isFreezed()) { return; } Future<RedisConnection> connectionFuture = entry.getClient().connectAsync(); connectionFuture.addListener(new FutureListener<RedisConnection>() { @Override public void operationComplete(Future<RedisConnection> future) throws Exception { if (entry.getFreezeReason() != FreezeReason.RECONNECT || !entry.isFreezed()) { return; } if (!future.isSuccess()) { scheduleCheck(entry); return; } final RedisConnection c = future.getNow(); if (!c.isActive()) { c.closeAsync(); scheduleCheck(entry); return; } Future<String> f = c.asyncWithTimeout(null, RedisCommands.PING); f.addListener(new FutureListener<String>() { @Override public void operationComplete(Future<String> future) throws Exception { try { if (entry.getFreezeReason() != FreezeReason.RECONNECT || !entry.isFreezed()) { return; } if (future.isSuccess() && "PONG".equals(future.getNow())) { entry.resetFailedAttempts(); Promise<Void> promise = connectionManager.newPromise(); promise.addListener(new FutureListener<Void>() { @Override public void operationComplete(Future<Void> future) throws Exception { if (entry.getNodeType() == NodeType.SLAVE) { masterSlaveEntry.slaveUp( entry.getClient().getAddr().getHostName(), entry.getClient().getAddr().getPort(), FreezeReason.RECONNECT); } else { synchronized (entry) { if (entry.getFreezeReason() == FreezeReason.RECONNECT) { entry.setFreezed(false); entry.setFreezeReason(null); } } } } }); initConnections(entry, promise, false); } else { scheduleCheck(entry); } } finally { c.closeAsync(); } } }); } }); } }, config.getReconnectionTimeout(), TimeUnit.MILLISECONDS); }
From source file:org.wyb.sows.client.SocksServerConnectHandler.java
License:Apache License
@Override public void channelRead0(final ChannelHandlerContext ctx, final SocksCmdRequest request) throws Exception { if (request.host().equals("127.0.0.1") || request.host().equals("localhost")) { System.err.println("Not able to establish bridge. Inform proxy client."); ctx.channel().writeAndFlush(new SocksCmdResponse(SocksCmdStatus.FAILURE, request.addressType())); SocksServerUtils.closeOnFlush(ctx.channel()); }/*ww w . java 2 s . com*/ Promise<Channel> promise = ctx.executor().newPromise(); promise.addListener(new GenericFutureListener<Future<Channel>>() { @Override public void operationComplete(final Future<Channel> future) throws Exception { final Channel outboundChannel = future.getNow(); if (future.isSuccess()) { if (SocksServer.isDebug) { System.out.println("Bridge is established. Inform proxy client."); } SocksCmdResponse resp = new SocksCmdResponse(SocksCmdStatus.SUCCESS, request.addressType()); resp.setProtocolVersion(request.protocolVersion()); ctx.channel().writeAndFlush(resp).addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture channelFuture) { ChannelPipeline pipeline = ctx.pipeline(); pipeline.remove(SocksServerConnectHandler.this); // ctx.pipeline().addLast(new StringByteCodec()); pipeline.addLast(new WebSocketRelayHandler(outboundChannel)); } }); } else { System.err.println("Not able to establish bridge. Inform proxy client."); ctx.channel() .writeAndFlush(new SocksCmdResponse(SocksCmdStatus.FAILURE, request.addressType())); SocksServerUtils.closeOnFlush(ctx.channel()); } } }); final Channel inboundChannel = ctx.channel(); // Add authentication headers HttpHeaders authHeader = new DefaultHttpHeaders(); authHeader.add(SowsAuthHelper.HEADER_SOWS_USER, this.userName); byte[] nonce = SowsAuthHelper.randomBytes(16); String seed = SowsAuthHelper.base64(nonce); authHeader.add(SowsAuthHelper.HEADER_SOWS_SEED, seed); byte[] sha1 = SowsAuthHelper.sha1((this.passcode + seed).getBytes(CharsetUtil.US_ASCII)); String token = SowsAuthHelper.base64(sha1); authHeader.add(SowsAuthHelper.HEADER_SOWS_TOKEN, token); // initiating websocket client handler final WebSocketClientHandler handler = new WebSocketClientHandler(WebSocketClientHandshakerFactory .newHandshaker(bridgeServiceUri, WebSocketVersion.V13, null, false, authHeader), promise, request.host(), request.port(), inboundChannel); b.group(inboundChannel.eventLoop()).channel(NioSocketChannel.class) .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10000).option(ChannelOption.SO_KEEPALIVE, true) .handler(new ChannelInitializer<SocketChannel>() { @Override protected void initChannel(SocketChannel ch) { ChannelPipeline p = ch.pipeline(); p.addLast(new HttpClientCodec(), new HttpObjectAggregator(8192), handler); } }); if (SocksServer.isDebug) { System.out.println("Try to connect to bridge service."); } b.connect(bridgeServiceUri.getHost(), bridgeServiceUri.getPort()).addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture future) throws Exception { if (future.isSuccess()) { // Connection established use handler provided results if (SocksServer.isDebug) { System.out.printf("Brige service connection is established. host=%s,port=%d \r\n", bridgeServiceUri.getHost(), bridgeServiceUri.getPort()); } } else { // Close the connection if the connection attempt has // failed. System.err.printf("Not able to connect bridge service! host=%s,port=%d \r\n", bridgeServiceUri.getHost(), bridgeServiceUri.getPort()); ctx.channel() .writeAndFlush(new SocksCmdResponse(SocksCmdStatus.FAILURE, request.addressType())); SocksServerUtils.closeOnFlush(ctx.channel()); } } }); }
From source file:pers.zlf.sslocal.handler.shadowsocks.ShadowsocksServerConnectHandler.java
License:Apache License
@Override public void channelRead0(final ChannelHandlerContext ctx, final SocksCmdRequest request) throws Exception { final Option option = ShadowsocksClient.getShadowsocksOption(ctx.channel()); Promise<Channel> promise = ctx.executor().newPromise(); promise.addListener(new GenericFutureListener<Future<Channel>>() { @Override//from w w w . j av a 2 s . c o m 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(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture channelFuture) { ctx.pipeline().remove(ShadowsocksServerConnectHandler.this); outboundChannel.pipeline().addLast( new ShadowsocksMessageCodec(CryptoFactory .createCrypto(option.getMethod(), option.getPassword())), new RelayHandler(ctx.channel())); ctx.pipeline().addLast(new RelayHandler(outboundChannel)); outboundChannel.writeAndFlush(request); } }); } else { ctx.channel() .writeAndFlush(new SocksCmdResponse(SocksCmdStatus.FAILURE, request.addressType())); ChannelUtils.closeOnFlush(ctx.channel()); } } }); final Channel inboundChannel = ctx.channel(); b.group(inboundChannel.eventLoop()).channel(NioSocketChannel.class) .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 10000).option(ChannelOption.SO_KEEPALIVE, true) .handler(new DirectClientHandler(promise)); b.connect(option.getRemoteHost(), option.getRemotePort()).addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture future) throws Exception { if (future.isSuccess()) { // Connection established use handler provided results } else { // Close the connection if the connection attempt has failed. if (logger.isErrorEnabled()) { logger.error("Failed to connect shadowsocks server", future.cause()); } ctx.channel() .writeAndFlush(new SocksCmdResponse(SocksCmdStatus.FAILURE, request.addressType())); ChannelUtils.closeOnFlush(ctx.channel()); } } }); }