Example usage for io.netty.channel ChannelFuture cause

Introduction

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

Prototype

Throwable cause();

Source Link

Document

Returns the cause of the failed I/O operation if the I/O operation has failed.

Usage

From source file:net.hasor.rsf.remoting.transport.customer.RsfRequestManager.java

License:Apache License

/**???*/
private void sendRequest(RsfFuture rsfFuture) {
    //???/*from   w  w  w  .j a  v  a 2  s .  com*/
    RsfSettings rsfSettings = this.getRsfContext().getSettings();
    if (this.requestCount.get() >= rsfSettings.getMaximumRequest()) {
        SendLimitPolicy sendPolicy = rsfSettings.getSendLimitPolicy();
        String errorMessage = "maximum number of requests, apply SendPolicy = " + sendPolicy.name();
        LoggerHelper.logWarn(errorMessage);
        if (sendPolicy == SendLimitPolicy.Reject) {
            throw new RsfException(ProtocolStatus.ClientError, errorMessage);
        } else {
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
            }
        }
    }
    //RsfFilter
    final RsfRequestImpl request = (RsfRequestImpl) rsfFuture.getRequest();
    final RequestMsg rsfMessage = request.getMsg();
    //??
    final AbstractRsfClient rsfClient = this.getClientManager().getClient(request.getBindInfo());
    final long beginTime = System.currentTimeMillis();
    final long timeout = rsfMessage.getClientTimeout();
    //
    if (rsfClient == null) {
        rsfFuture.failed(new IllegalStateException("The lack of effective service provider."));
        return;
    }
    if (rsfClient.isActive() == false) {
        rsfFuture.failed(new IllegalStateException("client is closed."));
        return;
    }
    this.startRequest(
            rsfFuture);/* timeout ???request*/
    //
    ChannelFuture future = rsfClient.getChannel().writeAndFlush(rsfMessage);
    /*sendData???*/
    future.addListener(new ChannelFutureListener() {
        public void operationComplete(ChannelFuture future) throws Exception {
            if (future.isSuccess()) {
                return;
            }
            String errorMsg = null;
            //
            if (System.currentTimeMillis() - beginTime >= timeout) {
                errorMsg = "send request too long time(" + (System.currentTimeMillis() - beginTime)
                        + "),requestID:" + rsfMessage.getRequestID();
            }
            //?
            if (future.isCancelled()) {
                errorMsg = "send request to cancelled by user,requestID:" + rsfMessage.getRequestID();
            }
            //
            if (!future.isSuccess()) {
                if (rsfClient.isActive()) {
                    // maybe some exception, so close the channel
                    getClientManager().unRegistered(rsfClient.getHostAddress());
                }
                errorMsg = "send request error " + future.cause();
            }
            LoggerHelper.logSevere(RsfRequestManager.this + ":" + errorMsg);
            //Response
            putResponse(request.getRequestID(), new RsfException(ProtocolStatus.ClientError, errorMsg));
        }
    });
}

---

From source file:net.hasor.rsf.rpc.net.Connector.java

License:Apache License

/**  */
public void connectionTo(final InterAddress hostAddress, final BasicFuture<RsfChannel> result) {
    ////from  w  ww  .j  a  v  a 2  s .  com
    //
    Bootstrap boot = new Bootstrap();
    boot.group(this.workLoopGroup);
    boot.channel(NioSocketChannel.class);
    boot.handler(new ChannelInitializer<SocketChannel>() {
        public void initChannel(SocketChannel ch) throws Exception {
            ChannelHandler[] handlerArrays = channelHandler();
            ArrayList<ChannelHandler> handlers = new ArrayList<ChannelHandler>();
            handlers.addAll(Arrays.asList(handlerArrays)); // ??
            handlers.add(Connector.this); // ?RequestInfo?ResponseInfoRSF
            //
            ch.pipeline().addLast(handlers.toArray(new ChannelHandler[handlers.size()]));
        }
    });
    ChannelFuture future = configBoot(boot).connect(hostAddress.toSocketAddress());
    //
    future.addListener(new ChannelFutureListener() {
        public void operationComplete(ChannelFuture future) throws Exception {
            if (!future.isSuccess()) {
                future.channel().close();
                logger.error("connect to {} error.", hostAddress, future.cause());
                result.failed(future.cause());
            } else {
                Channel channel = future.channel();
                logger.info("connect to {} Success.", hostAddress);
                result.completed(new RsfChannel(protocol, bindAddress, channel, LinkType.Out));
            }
        }
    });
}

---

From source file:net.hasor.rsf.rpc.net.Connector.java

License:Apache License

/**
 * ??//from w w w .  j  ava 2 s . c  om
 * @param listenLoopGroup ?
 */
public void startListener(NioEventLoopGroup listenLoopGroup) {
    //
    ServerBootstrap boot = new ServerBootstrap();
    boot.group(listenLoopGroup, this.workLoopGroup);
    boot.channel(NioServerSocketChannel.class);
    boot.childHandler(new ChannelInitializer<SocketChannel>() {
        public void initChannel(SocketChannel ch) throws Exception {
            ChannelHandler[] handlerArrays = channelHandler();
            ArrayList<ChannelHandler> handlers = new ArrayList<ChannelHandler>();
            handlers.addAll(Arrays.asList(handlerArrays)); // ??
            handlers.add(Connector.this); // ?RequestInfo?ResponseInfoRSF
            //
            ch.pipeline().addLast(handlers.toArray(new ChannelHandler[handlers.size()]));
        }
    });
    boot.childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
    boot.childOption(ChannelOption.SO_KEEPALIVE, true);
    ChannelFuture future = configBoot(boot).bind(this.bindAddress.toSocketAddress());
    //
    final BasicFuture<RsfChannel> result = new BasicFuture<RsfChannel>();
    future.addListener(new ChannelFutureListener() {
        public void operationComplete(ChannelFuture future) throws Exception {
            if (!future.isSuccess()) {
                future.channel().close();
                result.failed(future.cause());
            } else {
                Channel channel = future.channel();
                result.completed(new RsfChannel(protocol, bindAddress, channel, LinkType.Listener));
            }
        }
    });
    try {
        this.localListener = result.get();
        logger.info("rsf Server started at {}", this.bindAddress);
    } catch (Exception e) {
        logger.error("rsf start listener error: " + e.getMessage(), e);
        throw new RsfException(ProtocolStatus.NetworkError,
                this.bindAddress.toString() + " -> " + e.getMessage());
    }
    //
}

---

From source file:net.hasor.rsf.rpc.net.RsfChannel.java

License:Apache License

/**? Netty*/
private void sendData(final long requestID, Object sendData, final SendCallBack callBack) {
    if (!this.channel.isActive()) {
        RsfException e = new RsfException(ProtocolStatus.NetworkError,
                "send (" + requestID + ") an error, socket Channel is close.");
        if (callBack != null) {
            callBack.failed(requestID, e);
        }//from  w w  w.  j  ava 2 s.  c  om
        return;
    }
    /*???*/
    this.sendPackets++;
    ChannelFuture future = this.channel.writeAndFlush(sendData);
    /*sendData???*/
    future.addListener(new ChannelFutureListener() {
        public void operationComplete(ChannelFuture future) throws Exception {
            if (future.isSuccess()) {
                if (callBack != null) {
                    callBack.complete(requestID);
                }
                return;
            }
            lastSendTime = System.currentTimeMillis();
            RsfException e = null;
            if (future.isCancelled()) {
                //?
                String errorMsg = "send request(" + requestID + ") to cancelled by user.";
                e = new RsfException(ProtocolStatus.NetworkError, errorMsg);
                logger.error(e.getMessage(), e);
                //Response
                if (callBack != null) {
                    callBack.failed(requestID, e);
                }
            } else if (!future.isSuccess()) {
                //
                Throwable ex = future.cause();
                String errorMsg = "send request(" + requestID + ") an error ->" + ex.getMessage();
                e = new RsfException(ProtocolStatus.NetworkError, errorMsg, ex);
                logger.error(e.getMessage(), e);
                //Response
                if (callBack != null) {
                    callBack.failed(requestID, e);
                }
            }
        }
    });
}

---

From source file:net.kuujo.copycat.netty.protocol.impl.TcpProtocolClient.java

License:Apache License

@Override
public CompletableFuture<Void> connect() {
    final CompletableFuture<Void> future = new CompletableFuture<>();
    if (channel != null) {
        future.complete(null);//from  www  .  j av  a  2s  . c om
        return future;
    }

    final SslContext sslContext;
    if (protocol.isSsl()) {
        try {
            sslContext = SslContext.newClientContext(InsecureTrustManagerFactory.INSTANCE);
        } catch (SSLException e) {
            future.completeExceptionally(e);
            return future;
        }
    } else {
        sslContext = null;
    }

    final EventLoopGroup group = new NioEventLoopGroup(protocol.getThreads());
    Bootstrap bootstrap = new Bootstrap();
    bootstrap.group(group).channel(NioSocketChannel.class).handler(new ChannelInitializer<SocketChannel>() {
        @Override
        protected void initChannel(SocketChannel channel) throws Exception {
            ChannelPipeline pipeline = channel.pipeline();
            if (sslContext != null) {
                pipeline.addLast(
                        sslContext.newHandler(channel.alloc(), protocol.getHost(), protocol.getPort()));
            }
            pipeline.addLast(new ObjectEncoder(),
                    new ObjectDecoder(
                            ClassResolvers.softCachingConcurrentResolver(getClass().getClassLoader())),
                    new TcpProtocolClientHandler(TcpProtocolClient.this));
        }
    });

    if (protocol.getSendBufferSize() > -1) {
        bootstrap.option(ChannelOption.SO_SNDBUF, protocol.getSendBufferSize());
    }

    if (protocol.getReceiveBufferSize() > -1) {
        bootstrap.option(ChannelOption.SO_RCVBUF, protocol.getReceiveBufferSize());
    }

    if (protocol.getTrafficClass() > -1) {
        bootstrap.option(ChannelOption.IP_TOS, protocol.getTrafficClass());
    }

    bootstrap.option(ChannelOption.TCP_NODELAY, protocol.isNoDelay());
    bootstrap.option(ChannelOption.SO_LINGER, protocol.getSoLinger());
    bootstrap.option(ChannelOption.SO_KEEPALIVE, protocol.isKeepAlive());
    bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, protocol.getConnectTimeout());

    bootstrap.connect(protocol.getHost(), protocol.getPort()).addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture channelFuture) throws Exception {
            if (channelFuture.isSuccess()) {
                channel = channelFuture.channel();
                future.complete(null);
            } else {
                future.completeExceptionally(channelFuture.cause());
            }
        }
    });
    return future;
}

---

From source file:net.kuujo.copycat.netty.protocol.impl.TcpProtocolClient.java

License:Apache License

@Override
public CompletableFuture<Void> close() {
    final CompletableFuture<Void> future = new CompletableFuture<>();
    if (channel != null) {
        channel.close().addListener(new ChannelFutureListener() {
            @Override/*from   w w  w.j a v a2 s .c  o  m*/
            public void operationComplete(ChannelFuture channelFuture) throws Exception {
                channel = null;
                if (channelFuture.isSuccess()) {
                    future.complete(null);
                } else {
                    future.completeExceptionally(channelFuture.cause());
                }
            }
        });
    } else {
        future.complete(null);
    }
    return future;
}

---

From source file:net.kuujo.copycat.netty.protocol.impl.TcpProtocolServer.java

License:Apache License

@Override
public CompletableFuture<Void> start() {
    final CompletableFuture<Void> future = new CompletableFuture<>();

    // TODO: Configure proper SSL trust store.
    final SslContext sslContext;
    if (protocol.isSsl()) {
        try {/*  w w w.  ja v a  2s.  c  o  m*/
            SelfSignedCertificate ssc = new SelfSignedCertificate();
            sslContext = SslContext.newServerContext(ssc.certificate(), ssc.privateKey());
        } catch (SSLException | CertificateException e) {
            future.completeExceptionally(e);
            return future;
        }
    } else {
        sslContext = null;
    }

    final EventLoopGroup serverGroup = new NioEventLoopGroup();
    final EventLoopGroup workerGroup = new NioEventLoopGroup(protocol.getThreads());

    final ServerBootstrap bootstrap = new ServerBootstrap();
    bootstrap.group(serverGroup, workerGroup).channel(NioServerSocketChannel.class)
            .childHandler(new ChannelInitializer<SocketChannel>() {
                @Override
                public void initChannel(SocketChannel channel) throws Exception {
                    ChannelPipeline pipeline = channel.pipeline();
                    if (sslContext != null) {
                        pipeline.addLast(sslContext.newHandler(channel.alloc()));
                    }
                    pipeline.addLast(new ObjectEncoder(),
                            new ObjectDecoder(
                                    ClassResolvers.softCachingConcurrentResolver(getClass().getClassLoader())),
                            new TcpProtocolServerHandler(TcpProtocolServer.this));
                }
            }).option(ChannelOption.SO_BACKLOG, 128);

    if (protocol.getSendBufferSize() > -1) {
        bootstrap.option(ChannelOption.SO_SNDBUF, protocol.getSendBufferSize());
    }

    if (protocol.getReceiveBufferSize() > -1) {
        bootstrap.option(ChannelOption.SO_RCVBUF, protocol.getReceiveBufferSize());
    }

    bootstrap.option(ChannelOption.TCP_NODELAY, protocol.isNoDelay());
    bootstrap.option(ChannelOption.SO_REUSEADDR, protocol.isReuseAddress());
    bootstrap.option(ChannelOption.SO_KEEPALIVE, protocol.isKeepAlive());
    bootstrap.option(ChannelOption.SO_BACKLOG, protocol.getAcceptBacklog());

    if (protocol.getTrafficClass() > -1) {
        bootstrap.option(ChannelOption.IP_TOS, protocol.getTrafficClass());
    }

    bootstrap.childOption(ChannelOption.SO_KEEPALIVE, true);

    // Bind and start to accept incoming connections.
    bootstrap.bind(protocol.getHost(), protocol.getPort()).addListener(new ChannelFutureListener() {
        @Override
        public void operationComplete(ChannelFuture channelFuture) throws Exception {
            channelFuture.channel().closeFuture().addListener(new ChannelFutureListener() {
                @Override
                public void operationComplete(ChannelFuture future) throws Exception {
                    workerGroup.shutdownGracefully();
                }
            });

            if (channelFuture.isSuccess()) {
                channel = channelFuture.channel();
                future.complete(null);
            } else {
                future.completeExceptionally(channelFuture.cause());
            }
        }
    });
    return future;
}

---

From source file:net.kuujo.copycat.netty.protocol.impl.TcpProtocolServer.java

License:Apache License

@Override
public CompletableFuture<Void> stop() {
    final CompletableFuture<Void> future = new CompletableFuture<>();
    if (channel != null) {
        channel.close().addListener(new ChannelFutureListener() {
            @Override/*w  ww  .  ja  va2s  . c  om*/
            public void operationComplete(ChannelFuture channelFuture) throws Exception {
                if (channelFuture.isSuccess()) {
                    future.complete(null);
                } else {
                    future.completeExceptionally(channelFuture.cause());
                }
            }
        });
    } else {
        future.complete(null);
    }
    return future;
}

---

From source file:net.sourceforge.entrainer.socket.EntrainerSocketManager.java

License:Open Source License

/**
 * Binds the socket to the port specified in {@link Settings}.
 *
 * @throws IOException/*from  w w  w .  ja  v  a 2 s. com*/
 *           Signals that an I/O exception has occurred.
 * @throws InvalidPortNumberException
 *           if the port number <= 0.
 */
public void bind() throws IOException, InvalidPortNumberException {
    if (isBound())
        return;

    String ipAddress = Settings.getInstance().getSocketIPAddress();
    if (ipAddress == null || ipAddress.trim().length() == 0)
        initIPAddress();

    ipAddress = Settings.getInstance().getSocketIPAddress();

    if (bootstrap == null)
        initAcceptor();

    int port = Settings.getInstance().getSocketPort();
    if (port <= 0)
        throw new InvalidPortNumberException(port);

    ChannelFuture cf = bootstrap.bind(ipAddress, port).syncUninterruptibly();
    if (cf.isSuccess()) {
        channel = cf.channel();
    } else {
        throw new RuntimeException("Could not bind to host " + ipAddress + " and port " + port, cf.cause());
    }
}

---

From source file:net.tomp2p.connection.ChannelServer.java

License:Apache License

/**
 * Handles the waiting and returning the channel.
 * /* w  w w. j  av a  2s.  c o  m*/
 * @param future
 *            The future to wait for
 * @return The channel or null if we failed to bind.
 */
private boolean handleFuture(final ChannelFuture future) {
    try {
        future.await();
    } catch (InterruptedException e) {
        if (LOG.isWarnEnabled()) {
            LOG.warn("could not start UPD server", e);
        }
        return false;
    }
    boolean success = future.isSuccess();
    if (success) {
        return true;
    } else {
        LOG.debug("binding not successful", future.cause());
        return false;
    }

}

---

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