Example usage for io.netty.channel ChannelFuture isSuccess

Introduction

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

Prototype

boolean isSuccess();

Source Link

Document

Returns true if and only if the I/O operation was completed successfully.

Usage

From source file:com.netty.grpc.proxy.demo.handler.GrpcProxyFrontendHandler.java

License:Apache License

@Override
public void channelActive(ChannelHandlerContext ctx) {
    final Channel inboundChannel = ctx.channel();

    // ??/*  w  ww.  j  a va2 s  . c o m*/
    Bootstrap b = new Bootstrap();
    b.group(inboundChannel.eventLoop()).channel(ctx.channel().getClass())
            .handler(new GrpcProxyBackendHandler(inboundChannel)).option(ChannelOption.AUTO_READ, false);

    for (int i = 0; i < remoteHosts.length; i++) {
        final ChannelFuture f = b.connect(remoteHosts[i], remotePorts[i]);
        outboundChannels[i] = f.channel();
        f.addListener(new ChannelFutureListener() {
            public void operationComplete(ChannelFuture future) {
                if (future.isSuccess()) {
                    // connection complete start to read first data
                    inboundChannel.read();
                    //                        System.out.println(f.channel().remoteAddress() + ", " + f.channel().localAddress());
                } else {
                    // Close the connection if the connection attempt has failed.
                    //                        System.out.println("channelActive close" + inboundChannel.remoteAddress() + ", " + inboundChannel.localAddress());
                    inboundChannel.close();
                }
            }
        });
    }
}

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From source file:com.netty.grpc.proxy.demo.handler.GrpcProxyFrontendHandler.java

License:Apache License

private void handleSettingFrame(final ChannelHandlerContext ctx, Http2Flags flags) {
    ByteBufAllocator alloc = ctx.alloc();
    ByteBuf byteBuf = alloc.buffer();/* w ww  . j av a 2s .  com*/
    if (!flags.ack()) {
        //            System.out.println("********************* setting received ...");

        //00 00 0c 04 00 00 00 00 00 00 03 7f ff ff ff 00
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x0c);
        byteBuf.writeByte(0x04);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x03);
        byteBuf.writeByte(0x7f);
        byteBuf.writeByte(0xff);
        byteBuf.writeByte(0xff);
        byteBuf.writeByte(0xff);
        byteBuf.writeByte(0x00);
        //04 00 10 00 00
        byteBuf.writeByte(0x04);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x10);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
    } else {
        //            System.out.println("********************* setting ack received ...");
        //00 00 00 04 01 00 00 00 00
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x04);
        byteBuf.writeByte(0x01);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
        byteBuf.writeByte(0x00);
    }
    ctx.writeAndFlush(byteBuf).addListener(new ChannelFutureListener() {
        public void operationComplete(ChannelFuture future) {
            if (future.isSuccess()) {
                //                    System.out.println(" ...operationComplete isSuccess");
                ctx.channel().read();
            } else {
                //                    System.out.println("...operationComplete failure");
                future.channel().close();
            }
        }
    });

}

---

From source file:com.netty.grpc.proxy.demo.handler.GrpcProxyFrontendHandler.java

License:Apache License

private void forwardThisFrame(final ChannelHandlerContext ctx, final ByteBuf copy, int streamId,
        final int type) {
    if (selectedChannel == null) {
        int select = (counter.getAndIncrement()) % remoteHosts.length;
        selectedChannel = outboundChannels[select];
    }/*from w w w.  ja v  a 2s .c  om*/

    //int select = 0;
    //        System.out.println("---------------------------------select:" + select + "," + ByteBufUtil.hexDump(copy));
    final Channel inboundChannel = ctx.channel();
    selectedChannel.writeAndFlush(copy).addListener(new ChannelFutureListener() {
        public void operationComplete(ChannelFuture future) {
            if (future.isSuccess()) {
                //                    System.out.println("forward success ------------------------------------------type=" + type);
                inboundChannel.read();
            } else {
                //                    System.out.println("forward failure------------------------------------------");
                inboundChannel.close();
            }
        }
    });
}

---

From source file:com.newlandframework.avatarmq.broker.LauncherListener.java

License:Apache License

public void operationComplete(ChannelFuture future) throws Exception {
    if (!future.isSuccess()) {
        invoke.setReason(future.cause());
    }//  www .  ja v a  2  s. c  o  m
}

---

From source file:com.newlandframework.avatarmq.netty.MessageProcessor.java

License:Apache License

public void sendAsynMessage(RequestMessage request, final NotifyCallback listener) {
    Channel channel = factory.getMessageChannel();
    if (channel == null) {
        return;/*from   w  ww.j  ava 2 s  . c  om*/
    }

    Map<String, CallBackInvoker<Object>> callBackMap = factory.getCallBackMap();

    CallBackInvoker<Object> invoker = new CallBackInvoker<Object>();
    callBackMap.put(request.getMsgId(), invoker);

    invoker.setRequestId(request.getMsgId());

    invoker.join(new CallBackListener<Object>() {
        public void onCallBack(Object t) {
            ResponseMessage response = (ResponseMessage) t;
            listener.onEvent((ProducerAckMessage) response.getMsgParams());

        }
    });

    ChannelFuture channelFuture = channel.writeAndFlush(request);
    channelFuture.addListener(new ChannelFutureListener() {
        public void operationComplete(ChannelFuture future) throws Exception {
            if (!future.isSuccess()) {
                invoker.setReason(future.cause());
            }
        }
    });

}

---

From source file:com.newlandframework.avatarmq.netty.MessageProcessor.java

License:Apache License

public Object sendAsynMessage(RequestMessage request) {
    Channel channel = factory.getMessageChannel();

    if (channel == null) {
        return null;
    }/*from   w  ww  .  j  av a  2s  . c  o m*/

    Map<String, CallBackInvoker<Object>> callBackMap = factory.getCallBackMap();

    CallBackInvoker<Object> invoker = new CallBackInvoker<Object>();
    callBackMap.put(request.getMsgId(), invoker);
    invoker.setRequestId(request.getMsgId());

    ChannelFuture channelFuture = channel.writeAndFlush(request);
    channelFuture.addListener(new ChannelFutureListener() {
        public void operationComplete(ChannelFuture future) throws Exception {
            if (!future.isSuccess()) {
                invoker.setReason(future.cause());
            }
        }
    });

    try {
        Object result = invoker.getMessageResult(factory.getTimeOut(), TimeUnit.MILLISECONDS);
        callBackMap.remove(request.getMsgId());
        return result;
    } catch (RuntimeException e) {
        e.printStackTrace();
        return null;
    }
}

---

From source file:com.newlandframework.avatarmq.netty.MessageProcessor.java

License:Apache License

public void sendSyncMessage(RequestMessage request) {
    Channel channel = factory.getMessageChannel();

    if (channel == null) {
        return;//w  w  w.  j a  v a  2s. co m
    }

    Map<String, CallBackInvoker<Object>> callBackMap = factory.getCallBackMap();

    CallBackInvoker<Object> invoker = new CallBackInvoker<Object>();
    callBackMap.put(request.getMsgId(), invoker);

    invoker.setRequestId(request.getMsgId());

    ChannelFuture channelFuture;
    try {
        channelFuture = channel.writeAndFlush(request).sync();
        channelFuture.addListener(new ChannelFutureListener() {

            public void operationComplete(ChannelFuture future) throws Exception {
                if (!future.isSuccess()) {
                    invoker.setReason(future.cause());
                }
            }
        });
    } catch (InterruptedException ex) {
        Logger.getLogger(MessageProcessor.class.getName()).log(Level.SEVERE, null, ex);
    }
}

---

From source file:com.newlandframework.rpc.netty.MessageSendInitializeTask.java

License:Apache License

public Boolean call() {
    Bootstrap b = new Bootstrap();
    b.group(eventLoopGroup).channel(NioSocketChannel.class).option(ChannelOption.SO_KEEPALIVE, true);
    b.handler(new MessageSendChannelInitializer().buildRpcSerializeProtocol(protocol));

    ChannelFuture channelFuture = b.connect(serverAddress);
    channelFuture.addListener(new ChannelFutureListener() {
        public void operationComplete(final ChannelFuture channelFuture) throws Exception {
            if (channelFuture.isSuccess()) {
                MessageSendHandler handler = channelFuture.channel().pipeline().get(MessageSendHandler.class);
                RpcServerLoader.getInstance().setMessageSendHandler(handler);
            }/*w w w  . j  a  va  2  s  .  c  o  m*/
        }
    });
    return Boolean.TRUE;
}

---

From source file:com.ning.http.client.providers.netty_4.NettyConnectListener.java

License:Apache License

public final void operationComplete(ChannelFuture f) throws Exception {
    if (f.isSuccess()) {
        Channel channel = f.channel();
        channel.pipeline().context(NettyAsyncHttpProvider.class).attr(NettyAsyncHttpProvider.DEFAULT_ATTRIBUTE)
                .set(future);/*from   ww  w.  ja  v a 2  s  .c  om*/
        SslHandler sslHandler = (SslHandler) channel.pipeline().get(NettyAsyncHttpProvider.SSL_HANDLER);
        if (!handshakeDone.getAndSet(true) && (sslHandler != null)) {
            ((SslHandler) channel.pipeline().get(NettyAsyncHttpProvider.SSL_HANDLER)).handshake()
                    .addListener(this);
            return;
        }

        HostnameVerifier v = config.getHostnameVerifier();
        if (sslHandler != null) {
            if (!v.verify(future.getURI().getHost(), sslHandler.engine().getSession())) {
                ConnectException exception = new ConnectException("HostnameVerifier exception.");
                future.abort(exception);
                throw exception;
            }
        }

        future.provider().writeRequest(f.channel(), config, future, nettyRequest);
    } else {
        Throwable cause = f.cause();

        logger.debug("Trying to recover a dead cached channel {} with a retry value of {} ", f.channel(),
                future.canRetry());
        if (future.canRetry() && cause != null
                && (NettyAsyncHttpProvider.abortOnDisconnectException(cause)
                        || ClosedChannelException.class.isAssignableFrom(cause.getClass())
                        || future.getState() != NettyResponseFuture.STATE.NEW)) {

            logger.debug("Retrying {} ", nettyRequest);
            if (future.provider().remotelyClosed(f.channel(), future)) {
                return;
            }
        }

        logger.debug("Failed to recover from exception: {} with channel {}", cause, f.channel());

        boolean printCause = f.cause() != null && cause.getMessage() != null;
        ConnectException e = new ConnectException(
                printCause ? cause.getMessage() + " to " + future.getURI().toString()
                        : future.getURI().toString());
        if (cause != null) {
            e.initCause(cause);
        }
        future.abort(e);
    }
}

---

From source file:com.nitesh.netty.snoop.client.HttpSnoopClient.java

License:Apache License

private void sendRequest() {
    // Prepare the HTTP request.
    FullHttpRequest request = new DefaultFullHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET,
            uri.getRawPath());/* ww w.java 2s  . c  o  m*/
    //HttpRequest request = new DefaultHttpRequest(HttpVersion.HTTP_1_1, HttpMethod.GET, uri.getRawPath());
    request.headers().set(HttpHeaders.Names.HOST, host);
    request.headers().set(HttpHeaders.Names.CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
    request.headers().set(HttpHeaders.Names.ACCEPT_ENCODING, HttpHeaders.Values.GZIP);
    request.headers().set(HttpHeaders.Names.CONTENT_LENGTH, 0);

    // Set some example cookies.
    request.headers().set(HttpHeaders.Names.COOKIE, ClientCookieEncoder
            .encode(new DefaultCookie("my-cookie", "foo"), new DefaultCookie("another-cookie", "bar")));

    // Send the HTTP request.
    ch.writeAndFlush(request).addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture future) throws Exception {
            System.out.println("Request sent. Success? " + future.isSuccess());
            if (!future.isSuccess()) {
                future.cause().printStackTrace(System.out);
            }
        }
    });
}

---

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