Example usage for io.netty.channel ChannelFutureListener ChannelFutureListener

List of usage examples for io.netty.channel ChannelFutureListener ChannelFutureListener

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Introduction

In this page you can find the example usage for io.netty.channel ChannelFutureListener ChannelFutureListener.

Prototype

ChannelFutureListener

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Usage

From source file:club.lovety.xy.netty.test.UptimeClient.java

License:Apache License

static void connect(Bootstrap b) {
    b.connect().addListener(new ChannelFutureListener() {
        @Override// w w  w.  j a  v a  2 s .  c o  m
        public void operationComplete(ChannelFuture future) throws Exception {
            if (future.cause() != null) {
                handler.startTime = -1;
                handler.println("Failed to connect: " + future.cause());
            }
        }
    });
}

From source file:cn.david.socks.SocksServerConnectHandler.java

License:Apache License

@Override
public void channelRead0(final ChannelHandlerContext ctx, final SocksCmdRequest request) throws Exception {
    Promise<Channel> promise = ctx.executor().newPromise();
    promise.addListener(new GenericFutureListener<Future<Channel>>() {
        @Override/* w  w  w. j a v  a2s . 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(new ChannelFutureListener() {
                            @Override
                            public void operationComplete(ChannelFuture channelFuture) {
                                ctx.pipeline().remove(SocksServerConnectHandler.this);
                                outboundChannel.pipeline().addLast(new RelayHandler(ctx.channel()));
                                ctx.pipeline().addLast(new RelayHandler(outboundChannel));
                            }
                        });
            } else {
                ctx.channel()
                        .writeAndFlush(new SocksCmdResponse(SocksCmdStatus.FAILURE, request.addressType()));
                SocksServerUtils.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(request.host(), request.port()).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.
                ctx.channel()
                        .writeAndFlush(new SocksCmdResponse(SocksCmdStatus.FAILURE, request.addressType()));
                SocksServerUtils.closeOnFlush(ctx.channel());
            }
        }
    });
}

From source file:cn.savor.small.netty.NettyClient.java

License:Open Source License

public void connect() {
    System.out.println("client connection.................");
    if (channel != null && channel.isActive()) {
        return;/* ww  w  . ja  va  2 s  . c  om*/
    }

    ChannelFuture future = bootstrap.connect(host, port);
    System.out.println("client connection.................host=" + host + ",port=" + port + ",future="
            + future.isSuccess());

    future.addListener(new ChannelFutureListener() {
        public void operationComplete(ChannelFuture futureListener) throws Exception {
            if (futureListener.isSuccess()) {
                channel = futureListener.channel();
                System.out.println("Connect to server successfully!");
            } else {
                System.out.println("Failed to connect to server, try connect after 10s");

                futureListener.channel().eventLoop().schedule(new Runnable() {
                    @Override
                    public void run() {
                        connect();
                    }
                }, 1, TimeUnit.SECONDS);
            }
        }
    });
}

From source file:cn.scujcc.bug.bitcoinplatformandroid.util.socket.websocket.WebSocketBase.java

License:Apache License

private void connect() {
    try {//from  w w w .  j a  va2s.c o m
        final URI uri = new URI(url);
        if (uri == null) {
            return;
        }
        if (uri.getHost().contains("com")) {
            siteFlag = 1;
        }
        group = new NioEventLoopGroup(1);
        bootstrap = new Bootstrap();
        final SslContext sslCtx = SslContext.newClientContext();
        final WebSocketClientHandler handler = new WebSocketClientHandler(
                WebSocketClientHandshakerFactory.newHandshaker(uri, WebSocketVersion.V13, null, false,
                        new DefaultHttpHeaders(), Integer.MAX_VALUE),
                service, moniter);
        bootstrap.group(group).option(ChannelOption.TCP_NODELAY, true).channel(NioSocketChannel.class)
                .handler(new ChannelInitializer<SocketChannel>() {
                    protected void initChannel(SocketChannel ch) {
                        ChannelPipeline p = ch.pipeline();
                        if (sslCtx != null) {
                            p.addLast(sslCtx.newHandler(ch.alloc(), uri.getHost(), uri.getPort()));
                        }
                        p.addLast(new HttpClientCodec(), new HttpObjectAggregator(8192), handler);
                    }
                });

        future = bootstrap.connect(uri.getHost(), uri.getPort());
        future.addListener(new ChannelFutureListener() {
            public void operationComplete(final ChannelFuture future) throws Exception {
            }
        });
        channel = future.sync().channel();
        handler.handshakeFuture().sync();
        this.setStatus(true);
    } catch (Exception e) {
        Log.e(TAG, "WebSocketClient start error " + e.getLocalizedMessage());
        group.shutdownGracefully();
        this.setStatus(false);
    }
}

From source file:cn.wantedonline.puppy.httpserver.component.HttpObjectAggregator.java

License:Apache License

@Override
protected void decode(final ChannelHandlerContext ctx, HttpObject msg, List<Object> out) throws Exception {
    AggregatedFullHttpMessage currentMessage = this.currentMessage;

    if (msg instanceof HttpMessage) {
        tooLongFrameFound = false;/* ww w.j  a  va 2s .co  m*/
        assert currentMessage == null;

        HttpMessage m = (HttpMessage) msg;

        // Handle the 'Expect: 100-continue' header if necessary.
        if (is100ContinueExpected(m)) {
            if (HttpHeaders.getContentLength(m, 0) > maxContentLength) {
                tooLongFrameFound = true;
                final ChannelFuture future = ctx.writeAndFlush(EXPECTATION_FAILED.duplicate().retain());
                future.addListener(new ChannelFutureListener() {
                    @Override
                    public void operationComplete(ChannelFuture future) throws Exception {
                        if (!future.isSuccess()) {
                            ctx.fireExceptionCaught(future.cause());
                        }
                    }
                });
                if (closeOnExpectationFailed) {
                    future.addListener(ChannelFutureListener.CLOSE);
                }
                ctx.pipeline().fireUserEventTriggered(HttpExpectationFailedEvent.INSTANCE);
                return;
            }
            ctx.writeAndFlush(CONTINUE.duplicate().retain()).addListener(new ChannelFutureListener() {
                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
                    if (!future.isSuccess()) {
                        ctx.fireExceptionCaught(future.cause());
                    }
                }
            });
        }

        if (!m.getDecoderResult().isSuccess()) {
            removeTransferEncodingChunked(m);
            out.add(toFullMessage(m));
            this.currentMessage = null;
            return;
        }
        if (msg instanceof HttpRequest) {
            HttpRequest header = (HttpRequest) msg;
            this.currentMessage = currentMessage = new AggregatedFullHttpRequest(header,
                    ctx.alloc().compositeBuffer(maxCumulationBufferComponents), null);
        } else if (msg instanceof HttpResponse) {
            HttpResponse header = (HttpResponse) msg;
            this.currentMessage = currentMessage = new AggregatedFullHttpResponse(header,
                    Unpooled.compositeBuffer(maxCumulationBufferComponents), null);
        } else {
            throw new Error();
        }

        // A streamed message - initialize the cumulative buffer, and wait for incoming chunks.
        removeTransferEncodingChunked(currentMessage);
    } else if (msg instanceof HttpContent) {
        if (tooLongFrameFound) {
            if (msg instanceof LastHttpContent) {
                this.currentMessage = null;
            }
            // already detect the too long frame so just discard the content
            return;
        }
        assert currentMessage != null;

        // Merge the received chunk into the content of the current message.
        HttpContent chunk = (HttpContent) msg;
        CompositeByteBuf content = (CompositeByteBuf) currentMessage.content();

        if (content.readableBytes() > maxContentLength - chunk.content().readableBytes()) {
            tooLongFrameFound = true;

            // release current message to prevent leaks
            currentMessage.release();
            this.currentMessage = null;

            throw new TooLongFrameException("HTTP content length exceeded " + maxContentLength + " bytes.");
        }

        // Append the content of the chunk
        if (chunk.content().isReadable()) {
            chunk.retain();
            content.addComponent(chunk.content());
            content.writerIndex(content.writerIndex() + chunk.content().readableBytes());
        }

        final boolean last;
        if (!chunk.getDecoderResult().isSuccess()) {
            currentMessage.setDecoderResult(DecoderResult.failure(chunk.getDecoderResult().cause()));
            last = true;
        } else {
            last = chunk instanceof LastHttpContent;
        }

        if (last) {
            this.currentMessage = null;

            // Merge trailing headers into the message.
            if (chunk instanceof LastHttpContent) {
                LastHttpContent trailer = (LastHttpContent) chunk;
                currentMessage.setTrailingHeaders(trailer.trailingHeaders());
            } else {
                currentMessage.setTrailingHeaders(new DefaultHttpHeaders());
            }

            // Set the 'Content-Length' header. If one isn't already set.
            // This is important as HEAD responses will use a 'Content-Length' header which
            // does not match the actual body, but the number of bytes that would be
            // transmitted if a GET would have been used.
            //
            // See rfc2616 14.13 Content-Length
            if (!isContentLengthSet(currentMessage)) {
                currentMessage.headers().set(HttpHeaders.Names.CONTENT_LENGTH,
                        String.valueOf(content.readableBytes()));
            }
            // All done
            out.add(currentMessage);
        }
    } else {
        throw new Error();
    }
}

From source file:code.google.nfs.rpc.netty.client.NettyClient.java

License:Apache License

public void sendRequest(final RequestWrapper wrapper, final int timeout) throws Exception {
    final long beginTime = System.currentTimeMillis();
    final Client self = this;
    ChannelFuture writeFuture = cf.channel().writeAndFlush(wrapper);
    // use listener to avoid wait for write & thread context switch
    writeFuture.addListener(new ChannelFutureListener() {
        public void operationComplete(ChannelFuture future) throws Exception {
            if (future.isSuccess()) {
                return;
            }/*from  w w w  .  jav a2  s.  c  o m*/
            String errorMsg = "";
            // write timeout
            if (System.currentTimeMillis() - beginTime >= timeout) {
                errorMsg = "write to send buffer consume too long time("
                        + (System.currentTimeMillis() - beginTime) + "),request id is:" + wrapper.getId();
            }
            if (future.isCancelled()) {
                errorMsg = "Send request to " + cf.channel().toString() + " cancelled by user,request id is:"
                        + wrapper.getId();
            }
            if (!future.isSuccess()) {
                if (cf.channel().isOpen()) {
                    // maybe some exception,so close the channel
                    cf.channel().close();
                } else {
                    NettyClientFactory.getInstance().removeClient(key, self);
                }
                errorMsg = "Send request to " + cf.channel().toString() + " error" + future.cause();
            }
            LOGGER.error(errorMsg);
            ResponseWrapper response = new ResponseWrapper(wrapper.getId(), wrapper.getCodecType(),
                    wrapper.getProtocolType());
            response.setException(new Exception(errorMsg));
            self.putResponse(response);
        }
    });
}

From source file:code.google.nfs.rpc.netty.server.NettyServerHandler.java

License:Apache License

private void sendErrorResponse(final ChannelHandlerContext ctx, final RequestWrapper request) {
    ResponseWrapper responseWrapper = new ResponseWrapper(request.getId(), request.getCodecType(),
            request.getProtocolType());/*from   w w w .  j ava  2s  . co  m*/
    responseWrapper.setException(
            new Exception("server threadpool full,maybe because server is slow or too many requests"));
    ChannelFuture wf = ctx.channel().writeAndFlush(responseWrapper);
    wf.addListener(new ChannelFutureListener() {
        public void operationComplete(ChannelFuture future) throws Exception {
            if (!future.isSuccess()) {
                LOGGER.error("server write response error,request id is: " + request.getId());
            }
        }
    });
}

From source file:code.google.nfs.rpc.netty4.client.Netty4Client.java

License:Apache License

public void sendRequest(final RequestWrapper wrapper, final int timeout) throws Exception {
    final long beginTime = System.currentTimeMillis();
    final Client self = this;
    ChannelFuture writeFuture = cf.channel().writeAndFlush(wrapper);
    // use listener to avoid wait for write & thread context switch
    writeFuture.addListener(new ChannelFutureListener() {
        public void operationComplete(ChannelFuture future) throws Exception {
            if (future.isSuccess()) {
                return;
            }/*www  .  j  ava2 s . com*/
            String errorMsg = "";
            // write timeout
            if (System.currentTimeMillis() - beginTime >= timeout) {
                errorMsg = "write to send buffer consume too long time("
                        + (System.currentTimeMillis() - beginTime) + "),request id is:" + wrapper.getId();
            }
            if (future.isCancelled()) {
                errorMsg = "Send request to " + cf.channel().toString() + " cancelled by user,request id is:"
                        + wrapper.getId();
            }
            if (!future.isSuccess()) {
                if (cf.channel().isActive()) {
                    // maybe some exception,so close the channel
                    cf.channel().close();
                } else {
                    Netty4ClientFactory.getInstance().removeClient(key, self);
                }
                errorMsg = "Send request to " + cf.channel().toString() + " error" + future.cause();
            }
            LOGGER.error(errorMsg);
            ResponseWrapper response = new ResponseWrapper(wrapper.getId(), wrapper.getCodecType(),
                    wrapper.getProtocolType());
            response.setException(new Exception(errorMsg));
            self.putResponse(response);
        }
    });
}

From source file:code.google.nfs.rpc.netty4.server.Netty4ServerHandler.java

License:Apache License

@Override
protected void channelRead0(ChannelHandlerContext ctx, Object msg) throws Exception {
    RequestWrapper request = (RequestWrapper) msg;
    long beginTime = System.currentTimeMillis();
    ResponseWrapper responseWrapper = ProtocolFactory.getServerHandler(request.getProtocolType())
            .handleRequest(request);// w  ww .  j  a  v  a  2  s.  com
    final int id = request.getId();
    // already timeout,so not return
    if ((System.currentTimeMillis() - beginTime) >= request.getTimeout()) {
        LOGGER.warn("timeout,so give up send response to client,requestId is:" + id + ",client is:"
                + ctx.channel().remoteAddress() + ",consumetime is:" + (System.currentTimeMillis() - beginTime)
                + ",timeout is:" + request.getTimeout());
        return;
    }
    ChannelFuture wf = ctx.channel().writeAndFlush(responseWrapper);
    wf.addListener(new ChannelFutureListener() {
        public void operationComplete(ChannelFuture future) throws Exception {
            if (!future.isSuccess()) {
                LOGGER.error("server write response error,request id is: " + id);
            }
        }
    });
}

From source file:com.addthis.hydra.query.loadbalance.NextQueryTask.java

License:Apache License

@Override
public void run() {
    QueryRequest request;/*w w  w . java2 s. c om*/
    try {
        request = queryQueue.takeQuery();
    } catch (InterruptedException ignored) {
        log.info("Frame reader thread interrupted -- halting query processing");
        return;
    }
    try {
        final ChannelFuture queryFuture = HttpQueryCallHandler.handleQuery(request.querySource, request.kv,
                request.request, request.ctx, executor);
        queryFuture.addListener(this);
        queryFuture.channel().closeFuture().addListener(new ChannelFutureListener() {
            @Override
            public void operationComplete(ChannelFuture future) throws Exception {
                if (queryFuture.cancel(false)) {
                    log.warn("cancelling query due to closed output channel");
                }
            }
        });
    } catch (Exception e) {
        log.warn("Exception caught before mesh query master added to pipeline", e);
        if (request.ctx.channel().isActive()) {
            HttpUtils.sendError(request.ctx, new HttpResponseStatus(500, e.getMessage()));
        }
    }
}