List of usage examples for io.netty.channel ChannelFuture addListener
@Override
ChannelFuture addListener(GenericFutureListener<? extends Future<? super Void>> listener);
From source file:com.twitter.http2.HttpConnectionHandler.java
License:Apache License
private void sendGoAwayFrame(ChannelHandlerContext ctx, ChannelPromise promise) { ChannelFuture future = sendGoAwayFrame(HttpErrorCode.NO_ERROR); if (httpConnection.noActiveStreams()) { future.addListener(new ClosingChannelFutureListener(ctx, promise)); } else {// ww w . ja v a 2s .c om closingChannelFutureListener = new ClosingChannelFutureListener(ctx, promise); } }
From source file:com.uber.tchannel.channels.Peer.java
License:Open Source License
public Connection connect(Bootstrap bootstrap, Connection.Direction preferredDirection) { Connection conn = getConnection(ConnectionState.IDENTIFIED, preferredDirection); if (conn != null && (conn.satisfy(preferredDirection) || preferredDirection == Connection.Direction.IN)) { return conn; }/*from w w w .ja va 2 s . co m*/ final ChannelFuture f = bootstrap.connect(remoteAddress); Channel channel = f.channel(); final Connection connection = add(channel, Connection.Direction.OUT); // handle connection errors f.addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture future) throws Exception { if (!future.isSuccess()) { connection.setIndentified(new TChannelConnectionFailure(future.cause())); } } }); return connection; }
From source file:com.uber.tchannel.codecs.MessageCodec.java
License:Open Source License
public static ChannelFuture write(ChannelHandlerContext ctx, Frame frame) { ChannelFuture f = ctx.writeAndFlush(encode(ctx.alloc(), encode(ctx.alloc(), frame))); f.addListener(ChannelFutureListener.FIRE_EXCEPTION_ON_FAILURE); return f;/*from w w w. j av a2s . com*/ }
From source file:com.ura.proxy.HexDumpProxyInboundHandler.java
License:Apache License
@Override public void channelOpen(ChannelHandlerContext ctx, ChannelStateEvent e) throws Exception { // Suspend incoming traffic until connected to the remote host. final Channel inboundChannel = e.getChannel(); inboundChannel.setReadable(false);/*from w ww.j av a 2 s . co m*/ // Start the connection attempt. ClientBootstrap cb = new ClientBootstrap(cf); cb.getPipeline().addLast("handler", new OutboundHandler(e.getChannel())); ChannelFuture f = cb.connect(new InetSocketAddress(remoteHost, remotePort)); outboundChannel = f.getChannel(); f.addListener(new ChannelFutureListener() { public void operationComplete(ChannelFuture future) throws Exception { if (future.isSuccess()) { // Connection attempt succeeded: // Begin to accept incoming traffic. inboundChannel.setReadable(true); } else { // Close the connection if the connection attempt has failed. inboundChannel.close(); } } }); }
From source file:com.vmware.admiral.compute.container.HealthChecker.java
License:Open Source License
private void healthCheckTcp(ContainerState containerState, HealthConfig healthConfig, String[] hostPortBindings, Consumer<ContainerStats> callback) { if (hostPortBindings == null) { determineContainerHostPort(containerState, healthConfig, (bindings) -> healthCheckTcp(containerState, healthConfig, bindings, callback)); return;/*from www .ja v a 2 s. co m*/ } Integer configPort = Integer.valueOf(hostPortBindings[1]); int port = configPort > 0 ? configPort : 80; Bootstrap bootstrap = new Bootstrap().group(new NioEventLoopGroup()).channel(NioSocketChannel.class) .remoteAddress(new InetSocketAddress(hostPortBindings[0], port)) .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, healthConfig.timeoutMillis) .handler(new ChannelInitializer<Channel>() { @Override protected void initChannel(Channel arg0) throws Exception { // Nothing to setup } }); ChannelFuture channelFuture = bootstrap.connect(); channelFuture.addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture result) throws Exception { handleHealthResponse(containerState, result.cause(), callback); result.channel().close(); } }); }
From source file:com.vmware.dcp.common.http.netty.NettyChannelPool.java
License:Open Source License
public void connectOrReuse(String host, int port, boolean doNotReUse, Operation request) { if (request == null) { throw new IllegalArgumentException("request is required"); }//from w w w. ja v a 2 s . c o m if (host == null) { request.fail(new IllegalArgumentException("host is required")); return; } if (port <= 0) { port = UriUtils.HTTP_DEFAULT_PORT; } try { String key = toConnectionKey(host, port); NettyChannelGroup group = getChannelGroup(key); NettyChannelContext context = null; synchronized (group) { if (!group.availableChannels.isEmpty() && !doNotReUse) { context = group.availableChannels.remove(group.availableChannels.size() - 1); context.updateLastUseTime(); } else if (group.inUseChannels.size() >= this.connectionLimit) { group.pendingRequests.add(request); return; } else { context = new NettyChannelContext(host, port, key); } if (context.getChannel() != null) { if (!context.getChannel().isOpen()) { context.close(); context = new NettyChannelContext(host, port, key); } } group.inUseChannels.add(context); } NettyChannelContext contextFinal = context; if (context.getChannel() != null) { context.setOperation(request); request.complete(); return; } ChannelFuture connectFuture = this.bootStrap.connect(context.host, context.port); connectFuture.addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture future) throws Exception { if (future.isSuccess()) { Channel ch = future.channel(); contextFinal.setChannel(ch).setOperation(request); request.complete(); } else { returnOrClose(contextFinal, true); fail(request, future.cause()); } } }); } catch (Throwable e) { fail(request, e); } }
From source file:com.vmware.dcp.common.http.netty.NettyHttpClientRequestHandler.java
License:Open Source License
private void writeResponse(ChannelHandlerContext ctx, Operation request, FullHttpResponse response) { boolean isClose = !request.isKeepAlive() || response == null; Object rsp = Unpooled.EMPTY_BUFFER; if (response != null) { AsciiString v = isClose ? HttpHeaderValues.CLOSE : HttpHeaderValues.KEEP_ALIVE; response.headers().set(HttpHeaderNames.CONNECTION, v); rsp = response;/*from w ww .jav a 2 s.com*/ } ctx.channel().attr(NettyChannelContext.OPERATION_KEY).remove(); ChannelFuture future = ctx.writeAndFlush(rsp); if (isClose) { future.addListener(ChannelFutureListener.CLOSE); } }
From source file:com.vmware.dcp.common.WebSocketService.java
License:Open Source License
@Override public void handleRequest(Operation op) { prepareRequest(op);//from ww w . j a va2 s .c o m Operation.SerializedOperation serializedOperation = Operation.SerializedOperation.create(op); this.pendingOperations.put(op.getId(), op); ChannelFuture promise = this.ctx.writeAndFlush(new TextWebSocketFrame( "POST " + this.uri.toString() + Operation.CR_LF + Utils.toJson(serializedOperation))); promise.addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture future) throws Exception { if (!future.isSuccess()) { op.fail(future.cause()); WebSocketService.this.pendingOperations.remove(op.getId()); } } }); }
From source file:com.vmware.xenon.common.http.netty.NettyChannelPool.java
License:Open Source License
public void connectOrReuse(NettyChannelGroupKey key, Operation request) { if (request == null) { throw new IllegalArgumentException("request is required"); }//from w w w . j av a2 s . c o m if (key == null) { request.fail(new IllegalArgumentException("connection key is required")); return; } try { NettyChannelGroup group = getChannelGroup(key); final NettyChannelContext context = selectContext(request, group); if (context == null) { // We have no available connections, request has been queued return; } // If the connection is open, send immediately if (context.getChannel() != null) { context.setOperation(request); request.complete(); return; } // Connect, then wait for the connection to complete before either // sending data (HTTP/1.1) or negotiating settings (HTTP/2) ChannelFuture connectFuture = this.bootStrap.connect(key.host, key.port); connectFuture.addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture future) throws Exception { if (future.isSuccess()) { Channel channel = future.channel(); if (NettyChannelPool.this.isHttp2Only) { // We tell the channel what its channel context is, so we can use it // later to manage the mapping between streams and operations channel.attr(NettyChannelContext.CHANNEL_CONTEXT_KEY).set(context); // We also note that this is an HTTP2 channel--it simplifies some other code channel.attr(NettyChannelContext.HTTP2_KEY).set(true); waitForSettings(channel, context, request, group); } else { context.setOpenInProgress(false); context.setChannel(channel).setOperation(request); sendAfterConnect(channel, context, request, null); } } else { returnOrClose(context, true); fail(request, future.cause()); } } }); } catch (Throwable e) { fail(request, e); } }
From source file:com.whizzosoftware.foscam.camera.discovery.FoscamCameraDiscovery.java
License:Open Source License
/** * Start the discovery process./*from w w w. ja v a2 s . c o m*/ * * @throws IOException on failure */ public void start() throws IOException { searchRequestRunnable = new SearchRequestRunnable(this); // set up the inbound channel handler bootstrap.handler(new ChannelInitializer<Channel>() { @Override protected void initChannel(Channel channel) throws Exception { ChannelPipeline pipeline = channel.pipeline(); pipeline.addLast(new DatagramToByteBufHandler()); // convert an incoming DatagramPacket into a ByteBuf pipeline.addLast(new OrderDecoder()); // convert an incoming ByteBuf into an Order pipeline.addLast(new InboundOrderHandler(listener)); // handle incoming Orders } }); // bind to the address ChannelFuture cf = bootstrap.bind(new InetSocketAddress(0)); cf.addListener(new ChannelFutureListener() { @Override public void operationComplete(ChannelFuture channelFuture) throws Exception { if (channelFuture.isSuccess()) { channel = (DatagramChannel) channelFuture.channel(); // perform initial search request group.execute(searchRequestRunnable); // schedule two quick follow-up search requests to make sure a camera didn't miss the first request group.schedule(searchRequestRunnable, SEARCH_REQUEST_INITIAL_FREQUENCY_SECONDS, TimeUnit.SECONDS); group.schedule(searchRequestRunnable, SEARCH_REQUEST_INITIAL_FREQUENCY_SECONDS * 2, TimeUnit.SECONDS); // set up a recurring search request so we can keep track of cameras coming/going searchFuture = group.scheduleAtFixedRate(searchRequestRunnable, SEARCH_REQUEST_INITIAL_FREQUENCY_SECONDS * 2 + getSearchRequestFrequencySeconds, getSearchRequestFrequencySeconds, TimeUnit.SECONDS); } else { logger.error("Bind attempt failed", channelFuture.cause()); } } }); }