Java Code Examples for io.netty.bootstrap.ServerBootstrap#option()
The following examples show how to use
io.netty.bootstrap.ServerBootstrap#option() .
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Example 1
| Source File: Controller.java From onos with Apache License 2.0 | 6 votes |
|
/**
* Accepts incoming connections.
*/
private void startAcceptingConnections() throws InterruptedException {
if (cg == null) {
return;
}
final ServerBootstrap b = new ServerBootstrap();
b.group(bossGroup, workerGroup).channel(serverChannelClass)
.childHandler(new OvsdbChannelInitializer(this, sslContext));
b.option(ChannelOption.SO_REUSEADDR, true);
b.option(ChannelOption.SO_BACKLOG, 128);
b.option(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
b.childOption(ChannelOption.SO_SNDBUF, Controller.SEND_BUFFER_SIZE);
b.childOption(ChannelOption.SO_KEEPALIVE, true);
cg.add(b.bind(ovsdbPort).syncUninterruptibly().channel());
}
Example 2
| Source File: AbstractNettyServer.java From spring-boot-protocol with Apache License 2.0 | 6 votes |
|
protected void config(ServerBootstrap bootstrap) throws Exception{
//允许在同一端口上启动同一服务器的多个实例，只要每个实例捆绑一个不同的本地IP地址即可
bootstrap.option(ChannelOption.SO_REUSEADDR, true)
//netty boos的默认内存分配器
// .option(ChannelOption.ALLOCATOR, ByteBufAllocatorX.INSTANCE)
//用于构造服务端套接字ServerSocket对象，标识当服务器请求处理线程全满时，用于临时存放已完成三次握手的请求的队列的最大长度
// .option(ChannelOption.SO_BACKLOG, 1024) // determining the number of connections queued
//禁用Nagle算法，即数据包立即发送出去 (在TCP_NODELAY模式下，假设有3个小包要发送，第一个小包发出后，接下来的小包需要等待之前的小包被ack，在这期间小包会合并，直到接收到之前包的ack后才会发生)
// .childOption(ChannelOption.TCP_NODELAY, true)
//开启TCP/IP协议实现的心跳机制
.childOption(ChannelOption.SO_KEEPALIVE, true)
//netty的work默认内存分配器
.childOption(ChannelOption.ALLOCATOR, ByteBufAllocatorX.INSTANCE);
// .childOption(ChannelOption.ALLOCATOR, ByteBufAllocator.DEFAULT);
if(enableEpoll){
//允许使用同一个端口, 内核实现的负载均衡. 需要 Linux kernel >= 3.9
bootstrap.option(UnixChannelOption.SO_REUSEPORT, true);
}
}
Example 3
| Source File: NettyRestServer.java From netty-restful-server with MIT License | 6 votes |
|
public void start() {
EventLoopGroup bossGroup = new NioEventLoopGroup(1);
EventLoopGroup workerGroup = new NioEventLoopGroup();
try {
ServerBootstrap b = new ServerBootstrap();
b.option(ChannelOption.SO_BACKLOG, 1024);
b.group(bossGroup, workerGroup)
.channel(NioServerSocketChannel.class)
.handler(new LoggingHandler(LogLevel.INFO))
.childHandler(new ServerInitializer());
Channel ch = b.bind(Config.getInt("server.port")).sync().channel();
ch.closeFuture().sync();
} catch (InterruptedException e) {
e.printStackTrace();
} finally {
bossGroup.shutdownGracefully();
workerGroup.shutdownGracefully();
}
}
Example 4
| Source File: DefaultServer.java From sailfish with Apache License 2.0 | 6 votes |
|
private ServerBootstrap newServerBootstrap() {
ServerBootstrap serverBoot = new ServerBootstrap();
serverBoot.channel(NettyPlatformIndependent.serverChannelClass());
// connections wait for accept
serverBoot.option(ChannelOption.SO_BACKLOG, 1024);
serverBoot.option(ChannelOption.SO_REUSEADDR, true);
// replace by heart beat
serverBoot.childOption(ChannelOption.SO_KEEPALIVE, false);
serverBoot.childOption(ChannelOption.TCP_NODELAY, true);
serverBoot.childOption(ChannelOption.SO_SNDBUF, 32 * 1024);
serverBoot.childOption(ChannelOption.SO_RCVBUF, 32 * 1024);
// temporary settings, need more tests
serverBoot.childOption(ChannelOption.WRITE_BUFFER_WATER_MARK, new WriteBufferWaterMark(8 * 1024, 32 * 1024));
serverBoot.childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
//default is true, reduce thread context switching
serverBoot.childOption(ChannelOption.SINGLE_EVENTEXECUTOR_PER_GROUP, true);
return serverBoot;
}
Example 5
| Source File: Http2Server.java From netty-4.1.22 with Apache License 2.0 | 6 votes |
|
void run() throws Exception {
// Configure the server.
EventLoopGroup group = new NioEventLoopGroup();
try {
ServerBootstrap b = new ServerBootstrap();
b.option(ChannelOption.SO_BACKLOG, 1024);
b.group(group)
.channel(NioServerSocketChannel.class)
.handler(new LoggingHandler(LogLevel.INFO))
.childHandler(new Http2ServerInitializer());
Channel ch = b.bind(port).sync().channel();
ch.closeFuture().sync();
} finally {
group.shutdownGracefully();
}
}
Example 6
| Source File: BGPDispatcherImpl.java From bgpcep with Eclipse Public License 1.0 | 6 votes |
|
private synchronized ServerBootstrap createServerBootstrap(final ChannelPipelineInitializer<?> initializer) {
final ServerBootstrap serverBootstrap = new ServerBootstrap();
if (Epoll.isAvailable()) {
serverBootstrap.channel(EpollServerSocketChannel.class);
serverBootstrap.childOption(EpollChannelOption.EPOLL_MODE, EpollMode.LEVEL_TRIGGERED);
} else {
serverBootstrap.channel(NioServerSocketChannel.class);
}
final ChannelHandler serverChannelHandler = BGPChannel.createServerChannelHandler(initializer);
serverBootstrap.childHandler(serverChannelHandler);
serverBootstrap.option(ChannelOption.SO_BACKLOG, SOCKET_BACKLOG_SIZE);
serverBootstrap.childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
serverBootstrap.childOption(ChannelOption.WRITE_BUFFER_WATER_MARK, WATER_MARK);
// Make sure we are doing round-robin processing
serverBootstrap.option(ChannelOption.RCVBUF_ALLOCATOR, RECV_ALLOCATOR);
if (serverBootstrap.config().group() == null) {
serverBootstrap.group(this.bossGroup, this.workerGroup);
}
return serverBootstrap;
}
Example 7
| Source File: Bootstraps.java From cantor with Apache License 2.0 | 6 votes |
|
public static ServerBootstrap serverBootstrap(EventLoopGroup acceptors,
EventLoopGroup workers) {
ServerBootstrap bootstrap = new ServerBootstrap().group(acceptors, workers)
.childOption(ChannelOption.TCP_NODELAY,
true)
.childOption(ChannelOption.ALLOCATOR,
PooledDirectByteBufAllocator.INSTANCE)
.childOption(ChannelOption.SO_KEEPALIVE,
false)
.option(ChannelOption.SO_REUSEADDR,
true);
bootstrap.channel(NioServerSocketChannel.class);
bootstrap.option(ChannelOption.WRITE_BUFFER_WATER_MARK,
new WriteBufferWaterMark(32 * 1024, 128 * 1024));
return bootstrap;
}
Example 8
| Source File: AbstractServerSocketTest.java From netty4.0.27Learn with Apache License 2.0 | 5 votes |
|
@Override
protected void configure(ServerBootstrap bootstrap, ByteBufAllocator allocator) {
addr = newSocketAddress();
bootstrap.localAddress(addr);
bootstrap.option(ChannelOption.ALLOCATOR, allocator);
bootstrap.childOption(ChannelOption.ALLOCATOR, allocator);
}
Example 9
| Source File: Controller.java From onos with Apache License 2.0 | 5 votes |
|
private void addListeningPorts(Collection<Integer> ports) {
if (cg == null) {
return;
}
final ServerBootstrap bootstrap = createServerBootStrap();
bootstrap.option(ChannelOption.SO_REUSEADDR, true);
bootstrap.childOption(ChannelOption.SO_KEEPALIVE, true);
bootstrap.childOption(ChannelOption.TCP_NODELAY, true);
bootstrap.childOption(ChannelOption.SO_SNDBUF, Controller.SEND_BUFFER_SIZE);
// bootstrap.childOption(ChannelOption.WRITE_BUFFER_WATER_MARK,
// new WriteBufferWaterMark(8 * 1024, 32 * 1024));
bootstrap.childHandler(new OFChannelInitializer(this, null, sslContext));
Set<Integer> existingPorts = cg.stream()
.map(Channel::localAddress)
.filter(InetSocketAddress.class::isInstance)
.map(InetSocketAddress.class::cast)
.map(InetSocketAddress::getPort)
.collect(Collectors.toSet());
ports.removeAll(existingPorts);
ports.forEach(port -> {
// TODO revisit if this is best way to listen to multiple ports
cg.add(bootstrap.bind(port).syncUninterruptibly().channel());
log.info("Listening for OF switch connections on {}", port);
});
}
Example 10
| Source File: NettyServer.java From ob1k with Apache License 2.0 | 5 votes |
|
@Override
public InetSocketAddress start() {
logger.info("################## Starting OB1K server for module '{}' ##################", applicationName);
try {
final ServerBootstrap b = new ServerBootstrap();
b.option(ChannelOption.SO_BACKLOG, 1024);
b.option(ChannelOption.SO_RCVBUF, 64 * 1024);
b.childOption(ChannelOption.SO_SNDBUF, 64 * 1024);
// it means that the max static file can be 1024*ResourceRegion.BUFFER_SIZE = 64Mb
b.childOption(ChannelOption.WRITE_SPIN_COUNT, 1024);
b.childOption(ChannelOption.TCP_NODELAY, true);
b.group(nioGroup)
.channel(NioServerSocketChannel.class)
.childHandler(new RPCServerInitializer(maxContentLength));
channel = b.bind(port).sync().channel();
addShutdownhook();
// TEMP disable till I get an answer to https://groups.google.com/d/topic/netty/uY4n1Wjmpvs/discussion
// NettyQueuesGaugeBuilder.registerQueueGauges(metricFactory, nioGroup, applicationName);
final InetSocketAddress address = (InetSocketAddress) channel.localAddress();
onStarted();
logger.info("server is up and bounded on address: {}{}", address, getOpeningText());
return address;
} catch (final Exception e) {
logger.error("failed to start server", e);
return null;
}
}
Example 11
| Source File: ThreadServerSocket.java From IMServer with Apache License 2.0 | 5 votes |
|
public void startSocket() throws InterruptedException {
EventLoopGroup boss = new NioEventLoopGroup();
EventLoopGroup worker = new NioEventLoopGroup();
try {
ServerBootstrap boot = new ServerBootstrap();
boot.group(boss,worker);
boot.channel(NioServerSocketChannel.class);
boot.childHandler(new ChannelInitializer<SocketChannel>() {
@Override
protected void initChannel(SocketChannel ch) throws Exception {
ch.pipeline().addLast(new LengthFieldBasedFrameDecoder(1024*1024,0,4,-4,0,false));
ch.pipeline().addLast(new ByteToPacketCodec());
ch.pipeline().addLast(new LoginChannelHandler(listener));
ch.pipeline().addLast(new PacketChannelHandler());
}
});
boot.option(ChannelOption.SO_BACKLOG,128);
boot.childOption(ChannelOption.SO_KEEPALIVE,true);
channelFuture = boot.bind(port).sync();
System.out.println("服务器"+port+"开启成功...");
channelFuture.channel().closeFuture().sync();
}finally {
boss.shutdownGracefully().sync();
worker.shutdownGracefully().sync();
channelFuture = null;
System.out.println("服务器关闭成功...");
}
}
Example 12
| Source File: AbstractSctpTest.java From netty4.0.27Learn with Apache License 2.0 | 5 votes |
|
@Override
protected void configure(ServerBootstrap serverBootstrap, Bootstrap bootstrap, ByteBufAllocator allocator) {
addr = new InetSocketAddress(NetUtil.LOCALHOST, TestUtils.getFreePort());
serverBootstrap.localAddress(addr);
serverBootstrap.option(ChannelOption.ALLOCATOR, allocator);
serverBootstrap.childOption(ChannelOption.ALLOCATOR, allocator);
bootstrap.remoteAddress(addr);
bootstrap.option(ChannelOption.ALLOCATOR, allocator);
}
Example 13
| Source File: SpdyServer.java From netty-4.1.22 with Apache License 2.0 | 5 votes |
|
public static void main(String[] args) throws Exception {
// Configure SSL.
SelfSignedCertificate ssc = new SelfSignedCertificate();
SslContext sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey())
.applicationProtocolConfig(new ApplicationProtocolConfig(
Protocol.NPN,
// NO_ADVERTISE is currently the only mode supported by both OpenSsl and JDK providers.
SelectorFailureBehavior.NO_ADVERTISE,
// ACCEPT is currently the only mode supported by both OpenSsl and JDK providers.
SelectedListenerFailureBehavior.ACCEPT,
ApplicationProtocolNames.SPDY_3_1,
ApplicationProtocolNames.HTTP_1_1))
.build();
// Configure the server.
EventLoopGroup bossGroup = new NioEventLoopGroup(1);
EventLoopGroup workerGroup = new NioEventLoopGroup();
try {
ServerBootstrap b = new ServerBootstrap();
b.option(ChannelOption.SO_BACKLOG, 1024);
b.group(bossGroup, workerGroup)
.channel(NioServerSocketChannel.class)
.handler(new LoggingHandler(LogLevel.INFO))
.childHandler(new SpdyServerInitializer(sslCtx));
Channel ch = b.bind(PORT).sync().channel();
System.err.println("Open your SPDY-enabled web browser and navigate to https://127.0.0.1:" + PORT + '/');
System.err.println("If using Chrome browser, check your SPDY sessions at chrome://net-internals/#spdy");
ch.closeFuture().sync();
} finally {
bossGroup.shutdownGracefully();
workerGroup.shutdownGracefully();
}
}
Example 14
| Source File: HttpHelloWorldServer.java From tools-journey with Apache License 2.0 | 5 votes |
|
public static void main(String[] args) throws Exception {
// Configure SSL.
final SslContext sslCtx;
if (SSL) {
SelfSignedCertificate ssc = new SelfSignedCertificate();
sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey()).build();
} else {
sslCtx = null;
}
// Configure the server.
EventLoopGroup bossGroup = new NioEventLoopGroup(1);
EventLoopGroup workerGroup = new NioEventLoopGroup();
try {
ServerBootstrap b = new ServerBootstrap();
b.option(ChannelOption.SO_BACKLOG, 1024);
b.group(bossGroup, workerGroup)
.channel(NioServerSocketChannel.class)
.handler(new LoggingHandler(LogLevel.INFO))
.childHandler(new HttpHelloWorldServerInitializer(sslCtx));
Channel ch = b.bind(PORT).sync().channel();
System.err.println("Open your web browser and navigate to " +
(SSL ? "https" : "http") + "://127.0.0.1:" + PORT + '/');
ch.closeFuture().sync();
} finally {
bossGroup.shutdownGracefully();
workerGroup.shutdownGracefully();
}
}
Example 15
| Source File: TCPServer.java From jt808-server with Apache License 2.0 | 5 votes |
|
private void bind() throws Exception {
this.bossGroup = new NioEventLoopGroup();
this.workerGroup = new NioEventLoopGroup();
ServerBootstrap serverBootstrap = new ServerBootstrap();
serverBootstrap.group(bossGroup, workerGroup);
serverBootstrap.channel(NioServerSocketChannel.class);
serverBootstrap.childHandler(new ChannelInitializer<SocketChannel>() {
@Override
public void initChannel(SocketChannel ch) throws Exception {
ch.pipeline().addLast("idleStateHandler", new IdleStateHandler(30, 0, 0, TimeUnit.MINUTES));
// 1024表示单条消息的最大长度，解码器在查找分隔符的时候，达到该长度还没找到的话会抛异常
ch.pipeline().addLast(new DelimiterBasedFrameDecoder(1024, Unpooled.wrappedBuffer(new byte[]{delimiter}), Unpooled.wrappedBuffer(new byte[]{delimiter, delimiter})));
ch.pipeline().addLast(inboundHandler);
}
});
serverBootstrap.option(ChannelOption.SO_BACKLOG, 128);
serverBootstrap.childOption(ChannelOption.SO_KEEPALIVE, true);
this.log.info("TCP服务启动完毕,port={}", this.port);
ChannelFuture channelFuture = serverBootstrap.bind(port).sync();
channelFuture.channel().closeFuture().sync();
}
Example 16
| Source File: HttpServer.java From openzaly with Apache License 2.0 | 4 votes |
|
public HttpServer() {
try {
executor = new SimpleExecutor<Command, CommandResponse>();
loadExecutor(executor);
int needThreadNum = Runtime.getRuntime().availableProcessors() + 1;
int parentNum = 5;// accept from channel socket
int childNum = needThreadNum * 2 + 5;// give to business handler
bootstrap = new ServerBootstrap();
parentGroup = new NioEventLoopGroup(parentNum);
childGroup = new NioEventLoopGroup(childNum);
bootstrap.group(parentGroup, childGroup);
bootstrap.channel(NioServerSocketChannel.class);
// 接受连接的可连接队列大小
bootstrap.option(ChannelOption.SO_BACKLOG, 120);
bootstrap.option(ChannelOption.SO_REUSEADDR, true);
// 设置缓存大小
bootstrap.option(ChannelOption.SO_RCVBUF, 256 * 1024);
bootstrap.option(ChannelOption.SO_SNDBUF, 256 * 1024);// 256 KB/字节
bootstrap.childOption(ChannelOption.SO_KEEPALIVE, true);
bootstrap.childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
/**
* 接受缓存区，动态内存分配端的算法
*/
bootstrap.childOption(ChannelOption.RCVBUF_ALLOCATOR, AdaptiveRecvByteBufAllocator.DEFAULT);
bootstrap.childHandler(new ChannelInitializer<SocketChannel>() {
@Override
public void initChannel(SocketChannel ch) throws Exception {
ch.pipeline().addLast(new HttpResponseEncoder());
ch.pipeline().addLast(new HttpRequestDecoder());
ch.pipeline().addLast("aggregator", new HttpObjectAggregator(65536));
ch.pipeline().addLast("streamer", new ChunkedWriteHandler());
ch.pipeline().addLast(new HttpServerHandler(executor));
}
});
} catch (Exception e) {
closeGracefylly();
logger.error(AkxProject.PLN + " init http server error.", e);
System.exit(-200);
}
}
Example 17
| Source File: Netty4Transport.java From crate with Apache License 2.0 | 4 votes |
|
private void createServerBootstrap(ProfileSettings profileSettings) {
String name = profileSettings.profileName;
if (logger.isDebugEnabled()) {
logger.debug("using profile[{}], worker_count[{}], port[{}], bind_host[{}], publish_host[{}], compress[{}], "
+ "receive_predictor[{}->{}]",
name, workerCount, profileSettings.portOrRange, profileSettings.bindHosts, profileSettings.publishHosts, compress,
receivePredictorMin, receivePredictorMax);
}
final ThreadFactory workerFactory = daemonThreadFactory(this.settings, TRANSPORT_SERVER_WORKER_THREAD_NAME_PREFIX, name);
final ServerBootstrap serverBootstrap = new ServerBootstrap();
if (Epoll.isAvailable()) {
serverBootstrap.group(new EpollEventLoopGroup(workerCount, workerFactory));
serverBootstrap.channel(EpollServerSocketChannel.class);
} else {
serverBootstrap.group(new NioEventLoopGroup(workerCount, workerFactory));
serverBootstrap.channel(NioServerSocketChannel.class);
}
serverBootstrap.childHandler(new ServerChannelInitializer(name));
serverBootstrap.childOption(ChannelOption.TCP_NODELAY, profileSettings.tcpNoDelay);
serverBootstrap.childOption(ChannelOption.SO_KEEPALIVE, profileSettings.tcpKeepAlive);
if (profileSettings.sendBufferSize.getBytes() != -1) {
serverBootstrap.childOption(ChannelOption.SO_SNDBUF, Math.toIntExact(profileSettings.sendBufferSize.getBytes()));
}
if (profileSettings.receiveBufferSize.getBytes() != -1) {
serverBootstrap.childOption(ChannelOption.SO_RCVBUF, Math.toIntExact(profileSettings.receiveBufferSize.bytesAsInt()));
}
serverBootstrap.option(ChannelOption.RCVBUF_ALLOCATOR, recvByteBufAllocator);
serverBootstrap.childOption(ChannelOption.RCVBUF_ALLOCATOR, recvByteBufAllocator);
serverBootstrap.option(ChannelOption.SO_REUSEADDR, profileSettings.reuseAddress);
serverBootstrap.childOption(ChannelOption.SO_REUSEADDR, profileSettings.reuseAddress);
serverBootstrap.validate();
serverBootstraps.put(name, serverBootstrap);
}
Example 18
| Source File: Http2Server.java From netty-4.1.22 with Apache License 2.0 | 4 votes |
|
public static void main(String[] args) throws Exception {
// Configure SSL.
final SslContext sslCtx;
if (SSL) {
SslProvider provider = OpenSsl.isAlpnSupported() ? SslProvider.OPENSSL : SslProvider.JDK;
SelfSignedCertificate ssc = new SelfSignedCertificate();
sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey())
.sslProvider(provider)
/* NOTE: the cipher filter may not include all ciphers required by the HTTP/2 specification.
* Please refer to the HTTP/2 specification for cipher requirements. */
.ciphers(Http2SecurityUtil.CIPHERS, SupportedCipherSuiteFilter.INSTANCE)
.applicationProtocolConfig(new ApplicationProtocolConfig(
Protocol.ALPN,
// NO_ADVERTISE is currently the only mode supported by both OpenSsl and JDK providers.
SelectorFailureBehavior.NO_ADVERTISE,
// ACCEPT is currently the only mode supported by both OpenSsl and JDK providers.
SelectedListenerFailureBehavior.ACCEPT,
ApplicationProtocolNames.HTTP_2,
ApplicationProtocolNames.HTTP_1_1))
.build();
} else {
sslCtx = null;
}
// Configure the server.
EventLoopGroup group = new NioEventLoopGroup();
try {
ServerBootstrap b = new ServerBootstrap();
b.option(ChannelOption.SO_BACKLOG, 1024);
b.group(group)
.channel(NioServerSocketChannel.class)
.handler(new LoggingHandler(LogLevel.INFO))
.childHandler(new Http2ServerInitializer(sslCtx));
Channel ch = b.bind(PORT).sync().channel();
System.err.println("Open your HTTP/2-enabled web browser and navigate to " +
(SSL? "https" : "http") + "://127.0.0.1:" + PORT + '/');
ch.closeFuture().sync();
} finally {
group.shutdownGracefully();
}
}
Example 19
| Source File: NettyServerDemo.java From NettyChat with Apache License 2.0 | 4 votes |
|
public static void main(String[] args) {
//boss线程监听端口，worker线程负责数据读写
EventLoopGroup boss = new NioEventLoopGroup();
EventLoopGroup worker = new NioEventLoopGroup();
try {
//辅助启动类
ServerBootstrap bootstrap = new ServerBootstrap();
//设置线程池
bootstrap.group(boss, worker);
//设置socket工厂
bootstrap.channel(NioServerSocketChannel.class);
//设置管道工厂
bootstrap.childHandler(new ChannelInitializer<SocketChannel>() {
@Override
protected void initChannel(SocketChannel socketChannel) throws Exception {
//获取管道
ChannelPipeline pipeline = socketChannel.pipeline();
pipeline.addLast("frameEncoder", new LengthFieldPrepender(2));
pipeline.addLast("frameDecoder", new LengthFieldBasedFrameDecoder(65535,
0, 2, 0, 2));
pipeline.addLast(new ProtobufDecoder(MessageProtobuf.Msg.getDefaultInstance()));
pipeline.addLast(new ProtobufEncoder());
//处理类
pipeline.addLast(new ServerHandler());
}
});
//设置TCP参数
//1.链接缓冲池的大小（ServerSocketChannel的设置）
bootstrap.option(ChannelOption.SO_BACKLOG, 1024);
//维持链接的活跃，清除死链接(SocketChannel的设置)
bootstrap.childOption(ChannelOption.SO_KEEPALIVE, true);
//关闭延迟发送
bootstrap.childOption(ChannelOption.TCP_NODELAY, true);
//绑定端口
ChannelFuture future = bootstrap.bind(8855).sync();
System.out.println("server start ...... ");
//等待服务端监听端口关闭
future.channel().closeFuture().sync();
} catch (InterruptedException e) {
e.printStackTrace();
} finally {
//优雅退出，释放线程池资源
boss.shutdownGracefully();
worker.shutdownGracefully();
}
}
Example 20
| Source File: HttpServer.java From wind-im with Apache License 2.0 | 4 votes |
|
public HttpServer() {
try {
executor = new SimpleExecutor<Command, CommandResponse>();
loadExecutor(executor);
int needThreadNum = Runtime.getRuntime().availableProcessors() + 1;
int parentNum = 5;// accept from channel socket
int childNum = needThreadNum * 2 + 5;// give to business handler
bootstrap = new ServerBootstrap();
parentGroup = new NioEventLoopGroup(parentNum);
childGroup = new NioEventLoopGroup(childNum);
bootstrap.group(parentGroup, childGroup);
bootstrap.channel(NioServerSocketChannel.class);
// 接受连接的可连接队列大小
bootstrap.option(ChannelOption.SO_BACKLOG, 120);
bootstrap.option(ChannelOption.SO_REUSEADDR, true);
// 设置缓存大小
bootstrap.option(ChannelOption.SO_RCVBUF, 256 * 1024);
bootstrap.option(ChannelOption.SO_SNDBUF, 256 * 1024);// 256 KB/字节
bootstrap.childOption(ChannelOption.SO_KEEPALIVE, true);
bootstrap.childOption(ChannelOption.ALLOCATOR, PooledByteBufAllocator.DEFAULT);
/**
* 接受缓存区，动态内存分配端的算法
*/
bootstrap.childOption(ChannelOption.RCVBUF_ALLOCATOR, AdaptiveRecvByteBufAllocator.DEFAULT);
bootstrap.childHandler(new ChannelInitializer<SocketChannel>() {
@Override
public void initChannel(SocketChannel ch) throws Exception {
ch.pipeline().addLast(new HttpResponseEncoder());
ch.pipeline().addLast(new HttpRequestDecoder());
ch.pipeline().addLast("aggregator", new HttpObjectAggregator(65536));
ch.pipeline().addLast("streamer", new ChunkedWriteHandler());
ch.pipeline().addLast(new HttpServerHandler(executor));
}
});
} catch (Exception e) {
closeGracefylly();
logger.error(AkxProject.PLN + " init http server error.", e);
System.exit(-200);
}
}
