List of usage examples for io.netty.channel ChannelOption SO_RCVBUF
ChannelOption SO_RCVBUF
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From source file:org.graylog2.inputs.transports.UdpTransportTest.java
License:Open Source License
@Test public void receiveBufferSizeIsNotLimited() { final int recvBufferSize = Ints.saturatedCast(Size.megabytes(1L).toBytes()); ImmutableMap<String, Object> source = ImmutableMap.of(NettyTransport.CK_BIND_ADDRESS, BIND_ADDRESS, NettyTransport.CK_PORT, PORT, NettyTransport.CK_RECV_BUFFER_SIZE, recvBufferSize); Configuration config = new Configuration(source); UdpTransport udpTransport = new UdpTransport(config, eventLoopGroupFactory, nettyTransportConfiguration, throughputCounter, new LocalMetricRegistry()); assertThat(/*from ww w . j a v a2 s.c o m*/ udpTransport.getBootstrap(mock(MessageInput.class)).config().options().get(ChannelOption.SO_RCVBUF)) .isEqualTo(recvBufferSize); }
From source file:org.graylog2.plugin.inputs.transports.AbstractTcpTransport.java
License:Open Source License
protected ServerBootstrap getBootstrap(MessageInput input) { final LinkedHashMap<String, Callable<? extends ChannelHandler>> parentHandlers = getChannelHandlers(input); final LinkedHashMap<String, Callable<? extends ChannelHandler>> childHandlers = getChildChannelHandlers( input);/*from w ww . j av a 2s .c om*/ childEventLoopGroup = eventLoopGroupFactory.create(workerThreads, localRegistry, "workers"); return new ServerBootstrap().group(parentEventLoopGroup, childEventLoopGroup) .channelFactory(new ServerSocketChannelFactory(nettyTransportConfiguration.getType())) .option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT) .option(ChannelOption.RCVBUF_ALLOCATOR, new FixedRecvByteBufAllocator(8192)) .option(ChannelOption.SO_RCVBUF, getRecvBufferSize()) .childOption(ChannelOption.SO_RCVBUF, getRecvBufferSize()) .childOption(ChannelOption.SO_KEEPALIVE, tcpKeepalive) .handler(getChannelInitializer(parentHandlers)).childHandler(getChannelInitializer(childHandlers)); }
From source file:org.hongxi.whatsmars.remoting.netty.NettyRemotingClient.java
License:Apache License
@Override public void start() { this.defaultEventExecutorGroup = new DefaultEventExecutorGroup(nettyClientConfig.getClientWorkerThreads(), new ThreadFactory() { private AtomicInteger threadIndex = new AtomicInteger(0); @Override/*w w w . j a va 2 s . c om*/ public Thread newThread(Runnable r) { return new Thread(r, "NettyClientWorkerThread_" + this.threadIndex.incrementAndGet()); } }); Bootstrap handler = this.bootstrap.group(this.eventLoopGroupWorker).channel(NioSocketChannel.class) .option(ChannelOption.TCP_NODELAY, true).option(ChannelOption.SO_KEEPALIVE, false) .option(ChannelOption.CONNECT_TIMEOUT_MILLIS, nettyClientConfig.getConnectTimeoutMillis()) .option(ChannelOption.SO_SNDBUF, nettyClientConfig.getClientSocketSndBufSize()) .option(ChannelOption.SO_RCVBUF, nettyClientConfig.getClientSocketRcvBufSize()) .handler(new ChannelInitializer<SocketChannel>() { @Override public void initChannel(SocketChannel ch) throws Exception { ChannelPipeline pipeline = ch.pipeline(); if (nettyClientConfig.isUseTLS()) { if (null != sslContext) { pipeline.addFirst(defaultEventExecutorGroup, "sslHandler", sslContext.newHandler(ch.alloc())); log.info("Prepend SSL handler"); } else { log.warn("Connections are insecure as SSLContext is null!"); } } pipeline.addLast(defaultEventExecutorGroup, new NettyEncoder(), new NettyDecoder(), new IdleStateHandler(0, 0, nettyClientConfig.getClientChannelMaxIdleTimeSeconds()), new NettyConnectManageHandler(), new NettyClientHandler()); } }); this.timer.scheduleAtFixedRate(new TimerTask() { @Override public void run() { try { NettyRemotingClient.this.scanResponseTable(); } catch (Throwable e) { log.error("scanResponseTable exception", e); } } }, 1000 * 3, 1000); if (this.channelEventListener != null) { this.nettyEventExecutor.start(); } }
From source file:org.hongxi.whatsmars.remoting.netty.NettyRemotingServer.java
License:Apache License
@Override public void start() { this.defaultEventExecutorGroup = new DefaultEventExecutorGroup(nettyServerConfig.getServerWorkerThreads(), new ThreadFactory() { private AtomicInteger threadIndex = new AtomicInteger(0); @Override/*from w w w . j ava2 s. co m*/ public Thread newThread(Runnable r) { return new Thread(r, "NettyServerCodecThread_" + this.threadIndex.incrementAndGet()); } }); ServerBootstrap childHandler = this.serverBootstrap .group(this.eventLoopGroupBoss, this.eventLoopGroupSelector) .channel(useEpoll() ? EpollServerSocketChannel.class : NioServerSocketChannel.class) .option(ChannelOption.SO_BACKLOG, 1024).option(ChannelOption.SO_REUSEADDR, true) .option(ChannelOption.SO_KEEPALIVE, false).childOption(ChannelOption.TCP_NODELAY, true) .childOption(ChannelOption.SO_SNDBUF, nettyServerConfig.getServerSocketSndBufSize()) .childOption(ChannelOption.SO_RCVBUF, nettyServerConfig.getServerSocketRcvBufSize()) .localAddress(new InetSocketAddress(this.nettyServerConfig.getListenPort())) .childHandler(new ChannelInitializer<SocketChannel>() { @Override public void initChannel(SocketChannel ch) throws Exception { ch.pipeline() .addLast(defaultEventExecutorGroup, HANDSHAKE_HANDLER_NAME, new HandshakeHandler(TlsSystemConfig.tlsMode)) .addLast(defaultEventExecutorGroup, new NettyEncoder(), new NettyDecoder(), new IdleStateHandler(0, 0, nettyServerConfig.getServerChannelMaxIdleTimeSeconds()), new NettyConnectManageHandler(), new NettyServerHandler()); } }); if (nettyServerConfig.isServerPooledByteBufAllocatorEnable()) { childHandler.childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT); } try { ChannelFuture sync = this.serverBootstrap.bind().sync(); InetSocketAddress addr = (InetSocketAddress) sync.channel().localAddress(); this.port = addr.getPort(); } catch (InterruptedException e1) { throw new RuntimeException("this.serverBootstrap.bind().sync() InterruptedException", e1); } if (this.channelEventListener != null) { this.nettyEventExecutor.start(); } this.timer.scheduleAtFixedRate(new TimerTask() { @Override public void run() { try { NettyRemotingServer.this.scanResponseTable(); } catch (Throwable e) { log.error("scanResponseTable exception", e); } } }, 1000 * 3, 1000); }
From source file:org.hornetq.core.remoting.impl.netty.NettyAcceptor.java
License:Apache License
public synchronized void start() throws Exception { if (channelClazz != null) { // Already started return;//from w w w . ja v a2s.c o m } if (useInvm) { channelClazz = LocalServerChannel.class; eventLoopGroup = new LocalEventLoopGroup(); } else { int threadsToUse; if (nioRemotingThreads == -1) { // Default to number of cores * 3 threadsToUse = Runtime.getRuntime().availableProcessors() * 3; } else { threadsToUse = this.nioRemotingThreads; } channelClazz = NioServerSocketChannel.class; eventLoopGroup = new NioEventLoopGroup(threadsToUse, new HornetQThreadFactory("hornetq-netty-threads", true, getThisClassLoader())); } bootstrap = new ServerBootstrap(); bootstrap.group(eventLoopGroup); bootstrap.channel(channelClazz); final SSLContext context; if (sslEnabled) { try { if (keyStorePath == null && TransportConstants.DEFAULT_TRUSTSTORE_PROVIDER.equals(keyStoreProvider)) throw new IllegalArgumentException("If \"" + TransportConstants.SSL_ENABLED_PROP_NAME + "\" is true then \"" + TransportConstants.KEYSTORE_PATH_PROP_NAME + "\" must be non-null " + "unless an alternative \"" + TransportConstants.KEYSTORE_PROVIDER_PROP_NAME + "\" has been specified."); context = SSLSupport.createContext(keyStoreProvider, keyStorePath, keyStorePassword, trustStoreProvider, trustStorePath, trustStorePassword); } catch (Exception e) { IllegalStateException ise = new IllegalStateException( "Unable to create NettyAcceptor for " + host + ":" + port); ise.initCause(e); throw ise; } } else { context = null; // Unused } ChannelInitializer<Channel> factory = new ChannelInitializer<Channel>() { @Override public void initChannel(Channel channel) throws Exception { ChannelPipeline pipeline = channel.pipeline(); if (sslEnabled) { SSLEngine engine = context.createSSLEngine(); engine.setUseClientMode(false); if (needClientAuth) engine.setNeedClientAuth(true); // setting the enabled cipher suites resets the enabled protocols so we need // to save the enabled protocols so that after the customer cipher suite is enabled // we can reset the enabled protocols if a customer protocol isn't specified String[] originalProtocols = engine.getEnabledProtocols(); if (enabledCipherSuites != null) { try { engine.setEnabledCipherSuites( SSLSupport.parseCommaSeparatedListIntoArray(enabledCipherSuites)); } catch (IllegalArgumentException e) { HornetQServerLogger.LOGGER.invalidCipherSuite(SSLSupport .parseArrayIntoCommandSeparatedList(engine.getSupportedCipherSuites())); throw e; } } if (enabledProtocols != null) { try { engine.setEnabledProtocols( SSLSupport.parseCommaSeparatedListIntoArray(enabledProtocols)); } catch (IllegalArgumentException e) { HornetQServerLogger.LOGGER.invalidProtocol( SSLSupport.parseArrayIntoCommandSeparatedList(engine.getSupportedProtocols())); throw e; } } else { engine.setEnabledProtocols(originalProtocols); } SslHandler handler = new SslHandler(engine); pipeline.addLast("ssl", handler); } pipeline.addLast(protocolHandler.getProtocolDecoder()); } }; bootstrap.childHandler(factory); // Bind bootstrap.childOption(ChannelOption.TCP_NODELAY, tcpNoDelay); if (tcpReceiveBufferSize != -1) { bootstrap.childOption(ChannelOption.SO_RCVBUF, tcpReceiveBufferSize); } if (tcpSendBufferSize != -1) { bootstrap.childOption(ChannelOption.SO_SNDBUF, tcpSendBufferSize); } if (backlog != -1) { bootstrap.option(ChannelOption.SO_BACKLOG, backlog); } bootstrap.option(ChannelOption.SO_REUSEADDR, true); bootstrap.childOption(ChannelOption.SO_REUSEADDR, true); bootstrap.childOption(ChannelOption.SO_KEEPALIVE, true); bootstrap.childOption(ChannelOption.ALLOCATOR, PartialPooledByteBufAllocator.INSTANCE); channelGroup = new DefaultChannelGroup("hornetq-accepted-channels", GlobalEventExecutor.INSTANCE); serverChannelGroup = new DefaultChannelGroup("hornetq-acceptor-channels", GlobalEventExecutor.INSTANCE); if (httpUpgradeEnabled) { // the channel will be bound by the Web container and hand over after the HTTP Upgrade // handshake is successful } else { startServerChannels(); paused = false; if (notificationService != null) { TypedProperties props = new TypedProperties(); props.putSimpleStringProperty(new SimpleString("factory"), new SimpleString(NettyAcceptorFactory.class.getName())); props.putSimpleStringProperty(new SimpleString("host"), new SimpleString(host)); props.putIntProperty(new SimpleString("port"), port); Notification notification = new Notification(null, CoreNotificationType.ACCEPTOR_STARTED, props); notificationService.sendNotification(notification); } if (batchDelay > 0) { flusher = new BatchFlusher(); batchFlusherFuture = scheduledThreadPool.scheduleWithFixedDelay(flusher, batchDelay, batchDelay, TimeUnit.MILLISECONDS); } // TODO: Think about add Version back to netty HornetQServerLogger.LOGGER.startedNettyAcceptor(TransportConstants.NETTY_VERSION, host, port); } }
From source file:org.hornetq.core.remoting.impl.netty.NettyConnector.java
License:Apache License
public synchronized void start() { if (channelClazz != null) { return;// w ww. ja v a 2 s . c o m } int threadsToUse; if (nioRemotingThreads == -1) { // Default to number of cores * 3 threadsToUse = Runtime.getRuntime().availableProcessors() * 3; } else { threadsToUse = this.nioRemotingThreads; } if (useNioGlobalWorkerPool) { channelClazz = NioSocketChannel.class; group = SharedNioEventLoopGroup.getInstance(threadsToUse); } else { channelClazz = NioSocketChannel.class; group = new NioEventLoopGroup(threadsToUse); } // if we are a servlet wrap the socketChannelFactory if (useServlet) { // TODO: This will be replaced by allow upgrade HTTP connection from Undertow.; } bootstrap = new Bootstrap(); bootstrap.channel(channelClazz); bootstrap.group(group); bootstrap.option(ChannelOption.TCP_NODELAY, tcpNoDelay); if (connectTimeoutMillis != -1) { bootstrap.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, connectTimeoutMillis); } if (tcpReceiveBufferSize != -1) { bootstrap.option(ChannelOption.SO_RCVBUF, tcpReceiveBufferSize); } if (tcpSendBufferSize != -1) { bootstrap.option(ChannelOption.SO_SNDBUF, tcpSendBufferSize); } bootstrap.option(ChannelOption.SO_KEEPALIVE, true); bootstrap.option(ChannelOption.SO_REUSEADDR, true); bootstrap.option(ChannelOption.ALLOCATOR, new UnpooledByteBufAllocator(false)); channelGroup = new DefaultChannelGroup("hornetq-connector", GlobalEventExecutor.INSTANCE); final SSLContext context; if (sslEnabled) { try { // HORNETQ-680 - override the server-side config if client-side system properties are set String realKeyStorePath = keyStorePath; String realKeyStoreProvider = keyStoreProvider; String realKeyStorePassword = keyStorePassword; if (System.getProperty(JAVAX_KEYSTORE_PATH_PROP_NAME) != null) { realKeyStorePath = System.getProperty(JAVAX_KEYSTORE_PATH_PROP_NAME); } if (System.getProperty(JAVAX_KEYSTORE_PASSWORD_PROP_NAME) != null) { realKeyStorePassword = System.getProperty(JAVAX_KEYSTORE_PASSWORD_PROP_NAME); } if (System.getProperty(HORNETQ_KEYSTORE_PROVIDER_PROP_NAME) != null) { realKeyStoreProvider = System.getProperty(HORNETQ_KEYSTORE_PROVIDER_PROP_NAME); } if (System.getProperty(HORNETQ_KEYSTORE_PATH_PROP_NAME) != null) { realKeyStorePath = System.getProperty(HORNETQ_KEYSTORE_PATH_PROP_NAME); } if (System.getProperty(HORNETQ_KEYSTORE_PASSWORD_PROP_NAME) != null) { realKeyStorePassword = System.getProperty(HORNETQ_KEYSTORE_PASSWORD_PROP_NAME); } String realTrustStorePath = trustStorePath; String realTrustStoreProvider = trustStoreProvider; String realTrustStorePassword = trustStorePassword; if (System.getProperty(JAVAX_TRUSTSTORE_PATH_PROP_NAME) != null) { realTrustStorePath = System.getProperty(JAVAX_TRUSTSTORE_PATH_PROP_NAME); } if (System.getProperty(JAVAX_TRUSTSTORE_PASSWORD_PROP_NAME) != null) { realTrustStorePassword = System.getProperty(JAVAX_TRUSTSTORE_PASSWORD_PROP_NAME); } if (System.getProperty(HORNETQ_TRUSTSTORE_PROVIDER_PROP_NAME) != null) { realTrustStoreProvider = System.getProperty(HORNETQ_TRUSTSTORE_PROVIDER_PROP_NAME); } if (System.getProperty(HORNETQ_TRUSTSTORE_PATH_PROP_NAME) != null) { realTrustStorePath = System.getProperty(HORNETQ_TRUSTSTORE_PATH_PROP_NAME); } if (System.getProperty(HORNETQ_TRUSTSTORE_PASSWORD_PROP_NAME) != null) { realTrustStorePassword = System.getProperty(HORNETQ_TRUSTSTORE_PASSWORD_PROP_NAME); } context = SSLSupport.createContext(realKeyStoreProvider, realKeyStorePath, realKeyStorePassword, realTrustStoreProvider, realTrustStorePath, realTrustStorePassword); } catch (Exception e) { close(); IllegalStateException ise = new IllegalStateException( "Unable to create NettyConnector for " + host + ":" + port); ise.initCause(e); throw ise; } } else { context = null; // Unused } if (context != null && useServlet) { // TODO: Fix me //bootstrap.setOption("sslContext", context); } bootstrap.handler(new ChannelInitializer<Channel>() { public void initChannel(Channel channel) throws Exception { final ChannelPipeline pipeline = channel.pipeline(); if (sslEnabled && !useServlet) { SSLEngine engine = context.createSSLEngine(); engine.setUseClientMode(true); engine.setWantClientAuth(true); // setting the enabled cipher suites resets the enabled protocols so we need // to save the enabled protocols so that after the customer cipher suite is enabled // we can reset the enabled protocols if a customer protocol isn't specified String[] originalProtocols = engine.getEnabledProtocols(); if (enabledCipherSuites != null) { try { engine.setEnabledCipherSuites( SSLSupport.parseCommaSeparatedListIntoArray(enabledCipherSuites)); } catch (IllegalArgumentException e) { HornetQClientLogger.LOGGER.invalidCipherSuite(SSLSupport .parseArrayIntoCommandSeparatedList(engine.getSupportedCipherSuites())); throw e; } } if (enabledProtocols != null) { try { engine.setEnabledProtocols( SSLSupport.parseCommaSeparatedListIntoArray(enabledProtocols)); } catch (IllegalArgumentException e) { HornetQClientLogger.LOGGER.invalidProtocol( SSLSupport.parseArrayIntoCommandSeparatedList(engine.getSupportedProtocols())); throw e; } } else { engine.setEnabledProtocols(originalProtocols); } SslHandler handler = new SslHandler(engine); pipeline.addLast(handler); } if (httpEnabled) { pipeline.addLast(new HttpRequestEncoder()); pipeline.addLast(new HttpResponseDecoder()); pipeline.addLast(new HttpObjectAggregator(Integer.MAX_VALUE)); pipeline.addLast(new HttpHandler()); } if (httpUpgradeEnabled) { // prepare to handle a HTTP 101 response to upgrade the protocol. final HttpClientCodec httpClientCodec = new HttpClientCodec(); pipeline.addLast(httpClientCodec); pipeline.addLast("http-upgrade", new HttpUpgradeHandler(pipeline, httpClientCodec)); } pipeline.addLast(new HornetQFrameDecoder2()); pipeline.addLast(new HornetQClientChannelHandler(channelGroup, handler, new Listener())); } }); if (batchDelay > 0) { flusher = new BatchFlusher(); batchFlusherFuture = scheduledThreadPool.scheduleWithFixedDelay(flusher, batchDelay, batchDelay, TimeUnit.MILLISECONDS); } HornetQClientLogger.LOGGER.debug("Started Netty Connector version " + TransportConstants.NETTY_VERSION); }
From source file:org.jupiter.transport.netty.NettyTcpAcceptor.java
License:Apache License
@Override protected void setOptions() { super.setOptions(); ServerBootstrap boot = bootstrap();/*from w w w.j av a2 s . c o m*/ // parent options NettyConfig.NettyTcpConfigGroup.ParentConfig parent = configGroup.parent(); boot.option(ChannelOption.SO_BACKLOG, parent.getBacklog()); boot.option(ChannelOption.SO_REUSEADDR, parent.isReuseAddress()); if (parent.getRcvBuf() > 0) { boot.option(ChannelOption.SO_RCVBUF, parent.getRcvBuf()); } // child options NettyConfig.NettyTcpConfigGroup.ChildConfig child = configGroup.child(); boot.childOption(ChannelOption.SO_REUSEADDR, child.isReuseAddress()) .childOption(ChannelOption.SO_KEEPALIVE, child.isKeepAlive()) .childOption(ChannelOption.TCP_NODELAY, child.isTcpNoDelay()) .childOption(ChannelOption.ALLOW_HALF_CLOSURE, child.isAllowHalfClosure()); if (child.getRcvBuf() > 0) { boot.childOption(ChannelOption.SO_RCVBUF, child.getRcvBuf()); } if (child.getSndBuf() > 0) { boot.childOption(ChannelOption.SO_SNDBUF, child.getSndBuf()); } if (child.getLinger() > 0) { boot.childOption(ChannelOption.SO_LINGER, child.getLinger()); } if (child.getIpTos() > 0) { boot.childOption(ChannelOption.IP_TOS, child.getIpTos()); } int bufLowWaterMark = child.getWriteBufferLowWaterMark(); int bufHighWaterMark = child.getWriteBufferHighWaterMark(); if (bufLowWaterMark >= 0 && bufHighWaterMark > 0) { WriteBufferWaterMark waterMark = new WriteBufferWaterMark(bufLowWaterMark, bufHighWaterMark); boot.childOption(ChannelOption.WRITE_BUFFER_WATER_MARK, waterMark); } }
From source file:org.jupiter.transport.netty.NettyTcpConnector.java
License:Apache License
@Override protected void setOptions() { super.setOptions(); Bootstrap boot = bootstrap();//from ww w . ja v a 2 s . c o m NettyConfig.NettyTcpConfigGroup.ChildConfig child = childConfig; // child options boot.option(ChannelOption.SO_REUSEADDR, child.isReuseAddress()) .option(ChannelOption.SO_KEEPALIVE, child.isKeepAlive()) .option(ChannelOption.TCP_NODELAY, child.isTcpNoDelay()) .option(ChannelOption.ALLOW_HALF_CLOSURE, child.isAllowHalfClosure()); if (child.getRcvBuf() > 0) { boot.option(ChannelOption.SO_RCVBUF, child.getRcvBuf()); } if (child.getSndBuf() > 0) { boot.option(ChannelOption.SO_SNDBUF, child.getSndBuf()); } if (child.getLinger() > 0) { boot.option(ChannelOption.SO_LINGER, child.getLinger()); } if (child.getIpTos() > 0) { boot.option(ChannelOption.IP_TOS, child.getIpTos()); } if (child.getConnectTimeoutMillis() > 0) { boot.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, child.getConnectTimeoutMillis()); } int bufLowWaterMark = child.getWriteBufferLowWaterMark(); int bufHighWaterMark = child.getWriteBufferHighWaterMark(); if (bufLowWaterMark >= 0 && bufHighWaterMark > 0) { WriteBufferWaterMark waterMark = new WriteBufferWaterMark(bufLowWaterMark, bufHighWaterMark); boot.option(ChannelOption.WRITE_BUFFER_WATER_MARK, waterMark); } }
From source file:org.jupiter.transport.netty.NettyUdtAcceptor.java
License:Apache License
@Override protected void setOptions() { super.setOptions(); ServerBootstrap boot = bootstrap();//from w w w . ja va 2s . c o m // parent options NettyUdtConfigGroup.ParentConfig parent = configGroup.parent(); boot.option(ChannelOption.SO_BACKLOG, parent.getBacklog()); // child options NettyUdtConfigGroup.ChildConfig child = configGroup.child(); boot.childOption(ChannelOption.SO_REUSEADDR, child.isReuseAddress()); if (child.getRcvBuf() > 0) { boot.childOption(ChannelOption.SO_RCVBUF, child.getRcvBuf()); } if (child.getSndBuf() > 0) { boot.childOption(ChannelOption.SO_SNDBUF, child.getSndBuf()); } if (child.getLinger() > 0) { boot.childOption(ChannelOption.SO_LINGER, child.getLinger()); } int bufLowWaterMark = child.getWriteBufferLowWaterMark(); int bufHighWaterMark = child.getWriteBufferHighWaterMark(); if (bufLowWaterMark >= 0 && bufHighWaterMark > 0) { WriteBufferWaterMark waterMark = new WriteBufferWaterMark(bufLowWaterMark, bufHighWaterMark); boot.childOption(ChannelOption.WRITE_BUFFER_WATER_MARK, waterMark); } }
From source file:org.jupiter.transport.netty.NettyUdtConnector.java
License:Apache License
@Override protected void setOptions() { super.setOptions(); Bootstrap boot = bootstrap();//from w w w.ja v a 2 s. c o m NettyUdtConfigGroup.ChildConfig child = childConfig; // child options boot.option(ChannelOption.SO_REUSEADDR, child.isReuseAddress()); if (child.getRcvBuf() > 0) { boot.option(ChannelOption.SO_RCVBUF, child.getRcvBuf()); } if (child.getSndBuf() > 0) { boot.option(ChannelOption.SO_SNDBUF, child.getSndBuf()); } if (child.getLinger() > 0) { boot.option(ChannelOption.SO_LINGER, child.getLinger()); } if (child.getConnectTimeoutMillis() > 0) { boot.option(ChannelOption.CONNECT_TIMEOUT_MILLIS, child.getConnectTimeoutMillis()); } int bufLowWaterMark = child.getWriteBufferLowWaterMark(); int bufHighWaterMark = child.getWriteBufferHighWaterMark(); if (bufLowWaterMark >= 0 && bufHighWaterMark > 0) { WriteBufferWaterMark waterMark = new WriteBufferWaterMark(bufLowWaterMark, bufHighWaterMark); boot.option(ChannelOption.WRITE_BUFFER_WATER_MARK, waterMark); } }