Java Code Examples for io.netty.channel.ChannelFuture#isSuccess()

The following examples show how to use io.netty.channel.ChannelFuture#isSuccess() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: Netty4ClientHttpRequest.java From lams with GNU General Public License v2.0

6 votes

@Override
protected ListenableFuture<ClientHttpResponse> executeInternal(final HttpHeaders headers) throws IOException {
	final SettableListenableFuture<ClientHttpResponse> responseFuture =
			new SettableListenableFuture<ClientHttpResponse>();

	ChannelFutureListener connectionListener = new ChannelFutureListener() {
		@Override
		public void operationComplete(ChannelFuture future) throws Exception {
			if (future.isSuccess()) {
				Channel channel = future.channel();
				channel.pipeline().addLast(new RequestExecuteHandler(responseFuture));
				FullHttpRequest nettyRequest = createFullHttpRequest(headers);
				channel.writeAndFlush(nettyRequest);
			}
			else {
				responseFuture.setException(future.cause());
			}
		}
	};

	this.bootstrap.connect(this.uri.getHost(), getPort(this.uri)).addListener(connectionListener);
	return responseFuture;
}

Example 2

Source File: NettyChannel.java From socket with GNU Lesser General Public License v3.0

6 votes

/**
 * 将数据不进行任何处理写入channel
 *
 * @param data 数据
 * @return 写入状态
 */
public ProtocolFuture writeToChannel(Object data) {
    this.lastActive = System.currentTimeMillis();
    if (!isClosed()) {
        ChannelFuture future = channel.write(data);
        return new ProtocolFuture() {
            @Override
            public boolean isSuccess() {
                return future.isSuccess();
            }

            @Override
            public boolean isDone() {
                return future.isDone();
            }
        };
    } else {
        return ProtocolFuture.ERRORFUTURE;
    }
}

Example 3

Source File: PbrpcClientChannelFactory.java From navi-pbrpc with Apache License 2.0

6 votes

/**
 * @see org.apache.commons.pool.BasePoolableObjectFactory#makeObject()
 */
public Object makeObject() throws Exception {
    PbrpcClientChannel ch = new PbrpcClientChannel();

    ChannelFuture future = pbrpcClient.connect();

    future.awaitUninterruptibly();
    if (!future.isSuccess()) {
        LOG.warn("Making new connection on " + pbrpcClient.getInfo() + " not success",
                future.cause());
    }

    LOG.info("Making new connection on " + pbrpcClient.getInfo() + " and adding to pool done");
    ch.setChannelFuture(future);

    return ch;
}

Example 4

Source File: AbstractExchangeChannel.java From sailfish with Apache License 2.0

6 votes

private void waitWriteDone(ChannelFuture future, int timeout, RequestProtocol request, boolean needRemoveTrace)
		throws SailfishException {
	boolean done = future.awaitUninterruptibly(timeout);
	if (!done) {
		// useless at most of time when do writeAndFlush(...) invoke
		future.cancel(true);
		if (needRemoveTrace) {
			getTracer().remove(request.packetId());
		}
		throw new SailfishException(ExceptionCode.WRITE_TIMEOUT,
				String.format("write to remote[%s] timeout, protocol[%s]", channel.remoteAddress(), request));
	}
	if (!future.isSuccess()) {
		if (needRemoveTrace) {
			getTracer().remove(request.packetId());
		}
		throw new SailfishException(ExceptionCode.CHANNEL_WRITE_FAIL,
				String.format("write to remote[%s] fail, protocol[%s]", channel.remoteAddress(), request),
				future.cause());
	}
}

Example 5

Source File: BaseMessageHandler.java From nuls-v2 with MIT License

6 votes

/**
 * 实现发送消息
 * Implement sending a message
 *
 * @param message message
 * @param node    peer info
 * @param asyn    default true
 * @return NetworkEventResult
 */
@Override
public NetworkEventResult send(BaseMessage message, Node node, boolean asyn) {
    try {
        MessageHeader header = message.getHeader();
        header.setMagicNumber(header.getMagicNumber());
        BaseNulsData body = message.getMsgBody();
        header.setPayloadLength(body.size());
        ChannelFuture future = node.getChannel().writeAndFlush(Unpooled.wrappedBuffer(message.serialize()));
        if (!asyn) {
            future.await();
            boolean success = future.isSuccess();
            if (!success) {
                return NetworkEventResult.getResultFail(NetworkErrorCode.NET_MESSAGE_SEND_FAIL);
            }
        }
    } catch (Exception e) {
        LoggerUtil.logger(node.getNodeGroup().getChainId()).error(e.getMessage(), e);
        return NetworkEventResult.getResultFail(NetworkErrorCode.NET_MESSAGE_SEND_EXCEPTION);
    }
    return NetworkEventResult.getResultSuccess();
}

Example 6

Source File: NettyGraphiteClient.java From gruffalo with Apache License 2.0

6 votes

@Override
public void operationComplete(final ChannelFuture future) throws Exception {
  final int inFlightBaches = inFlightBatches.decrementAndGet();
  if(inFlightBaches == inFlightBatchesLowThreshold) {
    throttler.restoreClientReads();
  }

  if (future.isSuccess()) {
    publishedCounter.inc();
  } else {
    errorCounter.inc();
    if (log.isDebugEnabled()) {
      log.debug("Failed to write to {}: {}", host, future.cause().toString());
    }
  }
}

Example 7

Source File: Netty4ClientHttpRequest.java From spring4-understanding with Apache License 2.0

6 votes

@Override
protected ListenableFuture<ClientHttpResponse> executeInternal(final HttpHeaders headers) throws IOException {
	final SettableListenableFuture<ClientHttpResponse> responseFuture =
			new SettableListenableFuture<ClientHttpResponse>();

	ChannelFutureListener connectionListener = new ChannelFutureListener() {
		@Override
		public void operationComplete(ChannelFuture future) throws Exception {
			if (future.isSuccess()) {
				Channel channel = future.channel();
				channel.pipeline().addLast(new RequestExecuteHandler(responseFuture));
				FullHttpRequest nettyRequest = createFullHttpRequest(headers);
				channel.writeAndFlush(nettyRequest);
			}
			else {
				responseFuture.setException(future.cause());
			}
		}
	};

	this.bootstrap.connect(this.uri.getHost(), getPort(this.uri)).addListener(connectionListener);

	return responseFuture;
}

Example 8

Source File: SocketConnectionAttemptTest.java From netty4.0.27Learn with Apache License 2.0

6 votes

public void testConnectCancellation(Bootstrap cb) throws Throwable {
    cb.handler(new TestHandler()).option(ChannelOption.CONNECT_TIMEOUT_MILLIS, 4000);
    ChannelFuture future = cb.connect(BAD_HOST, BAD_PORT);
    try {
        if (future.await(1000)) {
            if (future.isSuccess()) {
                fail("A connection attempt to " + BAD_HOST + " must not succeed.");
            } else {
                throw future.cause();
            }
        }

        if (future.cancel(true)) {
            assertThat(future.channel().closeFuture().await(500), is(true));
            assertThat(future.isCancelled(), is(true));
        } else {
            // Cancellation not supported by the transport.
        }
    } finally {
        future.channel().close();
    }
}

Example 9

Source File: ThriftClientHandler.java From drift with Apache License 2.0

5 votes

private void messageSent(ChannelHandlerContext context, ChannelFuture future, RequestHandler requestHandler)
{
    try {
        if (!future.isSuccess()) {
            onError(context, new TTransportException("Sending request failed", future.cause()), Optional.of(requestHandler));
            return;
        }

        requestHandler.onRequestSent();
    }
    catch (Throwable t) {
        onError(context, t, Optional.of(requestHandler));
    }
}

Example 10

Source File: DiscardClientHandler.java From netty-4.1.22 with Apache License 2.0

5 votes

@Override
public void operationComplete(ChannelFuture future) {
    if (future.isSuccess()) {
        generateTraffic();
    } else {
        future.cause().printStackTrace();
        future.channel().close();
    }
}

Example 11

Source File: FactorialClientHandler.java From netty4.0.27Learn with Apache License 2.0

5 votes

@Override
public void operationComplete(ChannelFuture future) throws Exception {
    if (future.isSuccess()) {
        sendNumbers();
    } else {
        future.cause().printStackTrace();
        future.channel().close();
    }
}

Example 12

Source File: BaseClient.java From ext-opensource-netty with Mozilla Public License 2.0

5 votes

protected void finishConnectEvent(ChannelFuture ch) {
	if (ch.isSuccess() && (channel != null) && channel.isActive()) {
		NettyLog.info("client connect " + channel.remoteAddress());
		prepareLogin();
	} else {
		NettyLog.info(" client connect failure!");
	}
}

Example 13

Source File: WebSocketClient.java From ext-opensource-netty with Mozilla Public License 2.0

5 votes

@Override
protected void finishConnectEvent(ChannelFuture ch) {
	super.finishConnectEvent(ch);
	if (ch.isSuccess()) {
		// start handskake
		ChannelFuture handFuture = this.handshaker.handshake(this.getChannel());
		if (this.isSyncConnect()) {
			handFuture.syncUninterruptibly();
		}
	}
}

Example 14

Source File: DefaultChannelWriteFinishListener.java From api-gateway-core with Apache License 2.0

5 votes

@Override
public void operationComplete(ChannelFuture future) throws Exception {
    if (future.isSuccess()) {
        Channel channel = future.channel();
        Boolean keepAlive = ContextUtil.getKeepAlive(channel);

        if (keepAlive == null || !keepAlive) {
            channel.close();
        }
    }
}

Example 15

Source File: RpcBus.java From dremio-oss with Apache License 2.0

5 votes

@Override
public void operationComplete(ChannelFuture future) {
    if (!future.isSuccess()) {
      Throwable ex = future.cause();
      if(ex == null){
        sendFailure(new UserRpcException(null, "Unknown failure when sending message.", null));
      } else {
        sendFailure(new UserRpcException(null, "Failure when sending message.", ex));
      }
    }
}

Example 16

Source File: ServerServerCommunication.java From archistar-core with GNU General Public License v2.0

5 votes

/**
 * connects to all replicas
 *
 * @throws InterruptedException
 */
@SuppressFBWarnings("SIC_INNER_SHOULD_BE_STATIC_ANON")
public void connect() throws InterruptedException {
    for (Entry<Integer, Integer> e : this.serverList.entrySet()) {
        int replicaId = e.getKey();
        int replicaPort = e.getValue();

        if (replicaId != myServerId) {
            Bootstrap b = new Bootstrap();
            b.group(loopGroup)
                    .channel(NioSocketChannel.class)
                    .handler(new ChannelInitializer<SocketChannel>() {
                        @Override
                        public void initChannel(SocketChannel ch) throws Exception {
                            // enable SSL/TLS support
                            SSLEngine engine = SSLContextFactory.getClientContext().createSSLEngine();
                            engine.setUseClientMode(true);

                            ch.pipeline().addLast(
                                    new SslHandler(engine),
                                    new ObjectEncoder(),
                                    new ObjectDecoder(OzymandiasServer.maxObjectSize, ClassResolvers.cacheDisabled(null)));
                        }
                    });

            /* wait till server is connected */
            ChannelFuture f = null;
            do {
                f = b.connect("127.0.0.1", replicaPort);
                f.await();
            } while (!(f.isDone() && f.isSuccess()));

            this.channels.add(f.sync().channel());
        }
    }
}

Example 17

Source File: NettyClient.java From ambry with Apache License 2.0

5 votes

@Override
public void operationComplete(ChannelFuture future) {
  if (future.isSuccess()) {
    future.channel().write(request).addListener(writeResultListener);
    if (content != null) {
      future.channel().write(content).addListener(writeResultListener);
    }
    future.channel().flush();
  } else {
    exception = (Exception) future.cause();
    invokeFutureAndCallback("RequestSender::operationComplete");
  }
}

Example 18

Source File: NettySocketChannelPool.java From canal-1.1.3 with Apache License 2.0

5 votes

public static SocketChannel open(SocketAddress address) throws Exception {
    SocketChannel socket = null;
    ChannelFuture future = boot.connect(address).sync();

    if (future.isSuccess()) {
        future.channel().pipeline().get(BusinessHandler.class).latch.await();
        socket = chManager.get(future.channel());
    }

    if (null == socket) {
        throw new IOException("can't create socket!");
    }

    return socket;
}

Example 19

Source File: ConnackSentListener.java From hivemq-community-edition with Apache License 2.0

4 votes

@Override
public void operationComplete(final ChannelFuture future) throws Exception {
    if (future.isSuccess()) {
        future.channel().attr(ChannelAttributes.CONNACK_SENT).set(true);
    }
}

Example 20

Source File: BaseMsgProcessService.java From jt-808-protocol with MIT License

4 votes

public void send2Client(Channel channel, byte[] arr) throws InterruptedException {
	ChannelFuture future = channel.writeAndFlush(Unpooled.copiedBuffer(arr)).sync();
	if (!future.isSuccess()) {
		log.error("发送数据出错:{}", future.cause());
	}
}