org.jboss.netty.channel.ChannelFuture#isSuccess

Source File: HlsStreamsHandler.java From feeyo-hlsserver with Apache License 2.0

6 votes

@Override
public void execute(ChannelHandlerContext ctx, MessageEvent e) throws Exception {
	
	VelocityBuilder velocityBuilder = new VelocityBuilder();
	Map<String,Object> model = new HashMap<String, Object>();
	
	model.put("streams", HlsLiveStreamMagr.INSTANCE().getAllLiveStream()); 
	
	String htmlText = velocityBuilder.generate("streams.vm", "UTF8", model);
	
	HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
	response.headers().add(HttpHeaders.Names.CONTENT_LENGTH, htmlText.length());
	response.headers().set(HttpHeaders.Names.CONTENT_TYPE, "text/html; charset=UTF-8");

	ChannelBuffer buffer = ChannelBuffers.copiedBuffer(htmlText, Charset.defaultCharset());// CharsetUtil.UTF_8);
	response.setContent(buffer);

	ChannelFuture channelFuture = ctx.getChannel().write(response);
	if (channelFuture.isSuccess()) {
		channelFuture.getChannel().close();
	}
	
}

Source File: Connection.java From nfs-client-java with Apache License 2.0

6 votes

/**
 * This attempts to bind to privileged ports, starting with 1023 and working downwards, and returns when the first binding succeeds.
 * 
 * <p>
 * Some NFS servers apparently may require that some requests originate on
 * an Internet port below IPPORT_RESERVED (1024). This is generally not
 * used, though, as the client then has to run as a user authorized for
 * privileged, which is dangerous. It is also not generally needed.
 * </p>
 * 
 * @return
 *         <ul>
 *         <li><code>true</code> if the binding succeeds,</li>
 *         <li><code>false</code> otherwise.</li>
 *         </ul>
 * @throws RpcException If an exception occurs, or if no binding succeeds.
 */
private Channel bindToPrivilegedPort() throws RpcException {
    System.out.println("Attempting to use privileged port.");
    for (int port = 1023; port > 0; --port) {
        try {
            ChannelPipeline pipeline = _clientBootstrap.getPipelineFactory().getPipeline();
            Channel channel = _clientBootstrap.getFactory().newChannel(pipeline);
            channel.getConfig().setOptions(_clientBootstrap.getOptions());
            ChannelFuture bindFuture = channel.bind(new InetSocketAddress(port)).awaitUninterruptibly();
            if (bindFuture.isSuccess()) {
                System.out.println("Success! Bound to port " + port);
                return bindFuture.getChannel();
            }
        } catch (Exception e) {
            String msg = String.format("rpc request bind error for address: %s", 
                    getRemoteAddress());
            throw new RpcException(RpcStatus.NETWORK_ERROR, msg, e);
        }
    }

    throw new RpcException(RpcStatus.LOCAL_BINDING_ERROR, String.format("Cannot bind a port < 1024: %s", getRemoteAddress()));
}

Source File: RPCService.java From floodlight_with_topoguard with Apache License 2.0

6 votes

@Override
public void operationComplete(ChannelFuture cf) throws Exception {
    if (!cf.isSuccess()) {
        synchronized (connections) {
            NodeConnection c = connections.remove(node.getNodeId());
            if (c != null) c.nuke();
            cf.getChannel().close();
        }
        
        String message = "[unknown error]";
        if (cf.isCancelled()) message = "Timed out on connect";
        if (cf.getCause() != null) message = cf.getCause().getMessage();
        logger.debug("[{}->{}] Could not connect to RPC " +
                     "node: {}", 
                     new Object[]{syncManager.getLocalNodeId(), 
                                  node.getNodeId(), 
                                  message});
    } else {
        logger.trace("[{}->{}] Channel future successful", 
                     syncManager.getLocalNodeId(), 
                     node.getNodeId());
    }
}

Source File: WelcomeHandler.java From feeyo-hlsserver with Apache License 2.0

6 votes

@Override
public void execute(ChannelHandlerContext ctx, MessageEvent e) {

	VelocityBuilder velocityBuilder = new VelocityBuilder();
	String htmlText = velocityBuilder.generate("index.vm", "UTF8", null);	
	
	HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK);
	response.headers().add(HttpHeaders.Names.CONTENT_LENGTH, htmlText.length());
	response.headers().set(HttpHeaders.Names.CONTENT_TYPE, "text/html; charset=UTF-8");
	
	ChannelBuffer buffer = ChannelBuffers.copiedBuffer(htmlText, CharsetUtil.UTF_8);
	response.setContent(buffer);

	ChannelFuture channelFuture = ctx.getChannel().write(response);
	if (channelFuture.isSuccess()) {
		channelFuture.getChannel().close();
	}
}

Source File: ChannelWriteCompleteListenableFuture.java From pinpoint with Apache License 2.0

5 votes

@Override
public void operationComplete(ChannelFuture future) throws Exception {
    if (future.isSuccess()) {
        this.setResult(result);
    } else {
        this.setFailure(future.getCause());
    }
}

Source File: HttpUtil.java From feeyo-hlsserver with Apache License 2.0

5 votes

public static void sendNotModified(ChannelHandlerContext ctx) {
    HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.NOT_MODIFIED);
    ChannelFuture channelFuture = ctx.getChannel().write(response);
    if (channelFuture.isSuccess()) {
        channelFuture.getChannel().close();
    }
}

Source File: WriteFailFutureListener.java From pinpoint with Apache License 2.0

5 votes

@Override
public void operationComplete(ChannelFuture future) throws Exception {
    if (!future.isSuccess()) {
        if (logger.isWarnEnabled()) {
            final Throwable cause = future.getCause();
            logger.warn("{} channel:{} Caused:{}", failMessage, future.getChannel(), cause.getMessage(), cause);
        }
    } else {
        if (successMessage != null) {
            if (logger.isDebugEnabled()) {
                logger.debug("{} channel:{}", successMessage, future.getChannel());
            }
        }
    }
}

Source File: InvokeFuture.java From voyage with Apache License 2.0

5 votes

/**
 * 发送请求
 */
public void send() {
	ChannelFuture writeFuture = channel.write(request);
	//阻塞等待，若超时则返回已完成和失败
	boolean ret = writeFuture.awaitUninterruptibly(1000, TimeUnit.MILLISECONDS);
	if (ret && writeFuture.isSuccess()) {
		return;
	} else if(writeFuture.getCause() != null) {
		invokeMap.remove(request.getRequestID());
		throw new RpcException(writeFuture.getCause());
	} else {
		invokeMap.remove(request.getRequestID());
		throw new RpcException("sendRequest error");
	}
}

Source File: ShuffleHandler.java From tez with Apache License 2.0

5 votes

@Override
public void operationComplete(ChannelFuture future) throws Exception {
  if (future.isSuccess()) {
    shuffleOutputsOK.incr();
  } else {
    shuffleOutputsFailed.incr();
  }
  shuffleConnections.decr();
}

Source File: NettyTcpClientTransport.java From msgpack-rpc-java with Apache License 2.0

5 votes

public void operationComplete(ChannelFuture future) throws Exception {
    if (!future.isSuccess()) {
        onConnectFailed(future.getChannel(), future.getCause());
        return;
    }
    Channel c = future.getChannel();
    c.getCloseFuture().addListener(closeListener);
    onConnected(c);
}

Source File: FileClient.java From netty-file-parent with Apache License 2.0

5 votes

private static void deleteFile(ClientBootstrap bootstrap, String host,
		int port, String filePath, String userName, String pwd) {
	URI uri = getUri(host, port);
	ChannelFuture future = bootstrap.connect(new InetSocketAddress(host,
			port));
	Channel channel = future.awaitUninterruptibly().getChannel();
	if (!future.isSuccess()) {
		future.getCause().printStackTrace();
		bootstrap.releaseExternalResources();
		return;
	}

	WrapFileClientHandler handler = new DeleteFileClientHandler(host, uri,
			filePath, userName, pwd);
	HttpRequest request = handler.getRequest();
	HttpDataFactory factory = getHttpDataFactory();
	HttpPostRequestEncoder bodyRequestEncoder = handler
			.wrapRequestData(factory);
	channel.write(request);
	if (bodyRequestEncoder.isChunked()) {
		channel.write(bodyRequestEncoder).awaitUninterruptibly();
	}
	bodyRequestEncoder.cleanFiles();
	channel.getCloseFuture().awaitUninterruptibly();
	bootstrap.releaseExternalResources();
	factory.cleanAllHttpDatas();
}

Source File: FileClient.java From netty-file-parent with Apache License 2.0

5 votes

private static void replaceFile(ClientBootstrap bootstrap, String host,
		int port, File file, String filePath, String userName, String pwd) {
	URI uri = getUri(host, port);
	ChannelFuture future = bootstrap.connect(new InetSocketAddress(host,
			port));
	Channel channel = future.awaitUninterruptibly().getChannel();
	if (!future.isSuccess()) {
		future.getCause().printStackTrace();
		bootstrap.releaseExternalResources();
		return;
	}

	WrapFileClientHandler handler = new ReplaceFileClientHandler(host, uri,
			filePath, file, userName, pwd);
	HttpRequest request = handler.getRequest();
	HttpDataFactory factory = getHttpDataFactory();
	HttpPostRequestEncoder bodyRequestEncoder = handler
			.wrapRequestData(factory);
	channel.write(request);
	if (bodyRequestEncoder.isChunked()) {
		channel.write(bodyRequestEncoder).awaitUninterruptibly();
	}
	bodyRequestEncoder.cleanFiles();
	channel.getCloseFuture().awaitUninterruptibly();
	bootstrap.releaseExternalResources();
	factory.cleanAllHttpDatas();
}

Source File: FileClient.java From netty-file-parent with Apache License 2.0

5 votes

private static void createThumbPicture(ClientBootstrap bootstrap,
		String host, int port, String filePath, String userName, String pwd) {
	URI uri = getUri(host, port);
	ChannelFuture future = bootstrap.connect(new InetSocketAddress(host,
			port));
	Channel channel = future.awaitUninterruptibly().getChannel();
	if (!future.isSuccess()) {
		future.getCause().printStackTrace();
		bootstrap.releaseExternalResources();
		return;
	}

	WrapFileClientHandler handler = new CreateThumbPictureClientHandler(
			host, uri, userName, pwd, filePath);
	HttpRequest request = handler.getRequest();
	HttpDataFactory factory = getHttpDataFactory();
	HttpPostRequestEncoder bodyRequestEncoder = handler
			.wrapRequestData(factory);
	channel.write(request);
	if (bodyRequestEncoder.isChunked()) {
		channel.write(bodyRequestEncoder).awaitUninterruptibly();
	}
	bodyRequestEncoder.cleanFiles();
	channel.getCloseFuture().awaitUninterruptibly();
	bootstrap.releaseExternalResources();
	factory.cleanAllHttpDatas();
}

Source File: AbstractNSQClient.java From TrendrrNSQClient with MIT License

5 votes

/**
 * Creates a new connection object.
 *
 * Handles connection and sending magic protocol
 * @param address
 * @param port
 * @return
 */
protected Connection createConnection(String address, int port) {

    // Start the connection attempt.
    ChannelFuture future = bootstrap.connect(new InetSocketAddress(address, port));

    // Wait until the connection attempt succeeds or fails.
    Channel channel = future.awaitUninterruptibly().getChannel();
    if (!future.isSuccess()) {
        log.error("Caught", future.getCause());
        return null;
    }
    log.info("Creating connection: " + address + " : " + port);
    Connection conn = new Connection(address, port, channel, this);
    conn.setMessagesPerBatch(this.messagesPerBatch);

    ChannelBuffer buf = ChannelBuffers.dynamicBuffer();
    buf.writeBytes(MAGIC_PROTOCOL_VERSION);
    channel.write(buf);

    //indentify
    try {
        String identJson = "{" +
                "\"short_id\":\"" + InetAddress.getLocalHost().getHostName() + "\"" +
                "," +
                "\"long_id\":\"" + InetAddress.getLocalHost().getCanonicalHostName() + "\"" +
                "}";
        NSQCommand ident = NSQCommand.instance("IDENTIFY", identJson.getBytes());
        conn.command(ident);

    } catch (UnknownHostException e) {
        log.error("Caught", e);
    }

    return conn;
}

Source File: ShuffleHandler.java From hadoop with Apache License 2.0

5 votes

@Override
public void operationComplete(ChannelFuture future) throws Exception {
  if (future.isSuccess()) {
    shuffleOutputsOK.incr();
  } else {
    shuffleOutputsFailed.incr();
  }
  shuffleConnections.decr();
}

Source File: NettyClient.java From dubbo-2.6.5 with Apache License 2.0

4 votes

@Override
protected void doConnect() throws Throwable {
    long start = System.currentTimeMillis();
    ChannelFuture future = bootstrap.connect(getConnectAddress());
    try {
        boolean ret = future.awaitUninterruptibly(getConnectTimeout(), TimeUnit.MILLISECONDS);

        if (ret && future.isSuccess()) {
            Channel newChannel = future.getChannel();
            newChannel.setInterestOps(Channel.OP_READ_WRITE);
            try {
                // Close old channel
                Channel oldChannel = NettyClient.this.channel; // copy reference
                if (oldChannel != null) {
                    try {
                        if (logger.isInfoEnabled()) {
                            logger.info("Close old netty channel " + oldChannel + " on create new netty channel " + newChannel);
                        }
                        oldChannel.close();
                    } finally {
                        NettyChannel.removeChannelIfDisconnected(oldChannel);
                    }
                }
            } finally {
                if (NettyClient.this.isClosed()) {
                    try {
                        if (logger.isInfoEnabled()) {
                            logger.info("Close new netty channel " + newChannel + ", because the client closed.");
                        }
                        newChannel.close();
                    } finally {
                        NettyClient.this.channel = null;
                        NettyChannel.removeChannelIfDisconnected(newChannel);
                    }
                } else {
                    NettyClient.this.channel = newChannel;
                }
            }
        } else if (future.getCause() != null) {
            throw new RemotingException(this, "client(url: " + getUrl() + ") failed to connect to server "
                    + getRemoteAddress() + ", error message is:" + future.getCause().getMessage(), future.getCause());
        } else {
            throw new RemotingException(this, "client(url: " + getUrl() + ") failed to connect to server "
                    + getRemoteAddress() + " client-side timeout "
                    + getConnectTimeout() + "ms (elapsed: " + (System.currentTimeMillis() - start) + "ms) from netty client "
                    + NetUtils.getLocalHost() + " using dubbo version " + Version.getVersion());
        }
    } finally {
        if (!isConnected()) {
            future.cancel();
        }
    }
}

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

4 votes

protected void doConnect() throws Throwable {
    long start = System.currentTimeMillis();
    ChannelFuture future = bootstrap.connect(getConnectAddress());
    try{
        boolean ret = future.awaitUninterruptibly(getConnectTimeout(), TimeUnit.MILLISECONDS);
        
        if (ret && future.isSuccess()) {
            Channel newChannel = future.getChannel();
            newChannel.setInterestOps(Channel.OP_READ_WRITE);
            try {
                // 关闭旧的连接
                Channel oldChannel = NettyClient.this.channel; // copy reference
                if (oldChannel != null) {
                    try {
                        if (logger.isInfoEnabled()) {
                            logger.info("Close old netty channel " + oldChannel + " on create new netty channel " + newChannel);
                        }
                        oldChannel.close();
                    } finally {
                        NettyChannel.removeChannelIfDisconnected(oldChannel);
                    }
                }
            } finally {
                if (NettyClient.this.isClosed()) {
                    try {
                        if (logger.isInfoEnabled()) {
                            logger.info("Close new netty channel " + newChannel + ", because the client closed.");
                        }
                        newChannel.close();
                    } finally {
                        NettyClient.this.channel = null;
                        NettyChannel.removeChannelIfDisconnected(newChannel);
                    }
                } else {
                    NettyClient.this.channel = newChannel;
                }
            }
        } else if (future.getCause() != null) {
            throw new RemotingException(this, "client(url: " + getUrl() + ") failed to connect to server "
                    + getRemoteAddress() + ", error message is:" + future.getCause().getMessage(), future.getCause());
        } else {
            throw new RemotingException(this, "client(url: " + getUrl() + ") failed to connect to server "
                    + getRemoteAddress() + " client-side timeout "
                    + getConnectTimeout() + "ms (elapsed: " + (System.currentTimeMillis() - start) + "ms) from netty client "
                    + NetUtils.getLocalHost() + " using dubbo version " + Version.getVersion());
        }
    }finally{
        if (! isConnected()) {
            future.cancel();
        }
    }
}

Source File: OspfInterfaceImpl.java From onos with Apache License 2.0

4 votes

@Override
public void run() {
    if (channel != null && channel.isOpen() && channel.isConnected()) {
        if (interfaceType() == OspfInterfaceType.BROADCAST.value()) {
            if (interfaceTypeOldValue != interfaceType()) {
                try {
                    callDrElection(channel);
                } catch (Exception e) {
                    log.debug("Error while calling interfaceUp {}", e.getMessage());
                }
            }
        } else {
            if (interfaceTypeOldValue != interfaceType()) {
                interfaceTypeOldValue = interfaceType();
            }
        }
        HelloPacket hellopacket = new HelloPacket();
        //Headers
        hellopacket.setOspfVer(OspfUtil.OSPF_VERSION);
        hellopacket.setOspftype(OspfPacketType.HELLO.value());
        hellopacket.setOspfPacLength(0); //will be modified while encoding
        hellopacket.setRouterId(ospfArea.routerId());
        hellopacket.setAreaId(ospfArea.areaId());
        hellopacket.setChecksum(0); //will be modified while encoding
        hellopacket.setAuthType(OspfUtil.NOT_ASSIGNED);
        hellopacket.setAuthentication(OspfUtil.NOT_ASSIGNED);
        //Body
        hellopacket.setNetworkMask(ipNetworkMask());
        hellopacket.setOptions(ospfArea.options());
        hellopacket.setHelloInterval(helloIntervalTime());
        hellopacket.setRouterPriority(routerPriority());
        hellopacket.setRouterDeadInterval(routerDeadIntervalTime());
        hellopacket.setDr(dr());
        hellopacket.setBdr(bdr());

        Map<String, OspfNbr> listOfNeighbors = listOfNeighbors();
        Set<String> keys = listOfNeighbors.keySet();
        Iterator itr = keys.iterator();
        while (itr.hasNext()) {
            String nbrKey = (String) itr.next();
            OspfNbrImpl nbr = (OspfNbrImpl) listOfNeighbors.get(nbrKey);
            if (nbr.getState() != OspfNeighborState.DOWN) {
                hellopacket.addNeighbor(Ip4Address.valueOf(nbrKey));
            }
        }
        // build a hello Packet
        if (channel == null || !channel.isOpen() || !channel.isConnected()) {
            log.debug("Hello Packet not sent !!.. Channel Issue...");
            return;
        }

        hellopacket.setDestinationIp(OspfUtil.ALL_SPF_ROUTERS);
        byte[] messageToWrite = getMessage(hellopacket);
        ChannelFuture future = channel.write(messageToWrite);
        if (future.isSuccess()) {
            log.debug("Hello Packet successfully sent !!");
        } else {
            future.awaitUninterruptibly();
        }

    }
}

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

4 votes

protected void doConnect() throws Throwable {
    long start = System.currentTimeMillis();
    ChannelFuture future = bootstrap.connect(getConnectAddress());
    try{
        boolean ret = future.awaitUninterruptibly(getConnectTimeout(), TimeUnit.MILLISECONDS);
        
        if (ret && future.isSuccess()) {
            Channel newChannel = future.getChannel();
            newChannel.setInterestOps(Channel.OP_READ_WRITE);
            try {
                // 关闭旧的连接
                Channel oldChannel = NettyClient.this.channel; // copy reference
                if (oldChannel != null) {
                    try {
                        if (logger.isInfoEnabled()) {
                            logger.info("Close old netty channel " + oldChannel + " on create new netty channel " + newChannel);
                        }
                        oldChannel.close();
                    } finally {
                        NettyChannel.removeChannelIfDisconnected(oldChannel);
                    }
                }
            } finally {
                if (NettyClient.this.isClosed()) {
                    try {
                        if (logger.isInfoEnabled()) {
                            logger.info("Close new netty channel " + newChannel + ", because the client closed.");
                        }
                        newChannel.close();
                    } finally {
                        NettyClient.this.channel = null;
                        NettyChannel.removeChannelIfDisconnected(newChannel);
                    }
                } else {
                    NettyClient.this.channel = newChannel;
                }
            }
        } else if (future.getCause() != null) {
            throw new RemotingException(this, "client(url: " + getUrl() + ") failed to connect to server "
                    + getRemoteAddress() + ", error message is:" + future.getCause().getMessage(), future.getCause());
        } else {
            throw new RemotingException(this, "client(url: " + getUrl() + ") failed to connect to server "
                    + getRemoteAddress() + " client-side timeout "
                    + getConnectTimeout() + "ms (elapsed: " + (System.currentTimeMillis() - start) + "ms) from netty client "
                    + NetUtils.getLocalHost() + " using dubbo version " + Version.getVersion());
        }
    }finally{
        if (! isConnected()) {
            future.cancel();
        }
    }
}

Source File: HttpUtil.java From feeyo-hlsserver with Apache License 2.0

4 votes

public static void sendNotModified(ChannelHandlerContext ctx, HttpResponse response) {
    ChannelFuture channelFuture = ctx.getChannel().write(response);
    if (channelFuture.isSuccess()) {
        channelFuture.getChannel().close();
    }
}

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