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;
}
EventLoopGroup bossGroup = new NioEventLoopGroup(1);
EventLoopGroup workerGroup = new NioEventLoopGroup();
try {
ServerBootstrap b = new ServerBootstrap();
b.group(bossGroup, workerGroup)
.channel(NioServerSocketChannel.class)
.handler(new LoggingHandler(LogLevel.INFO))
.childHandler(new WebSocketServerInitializer(sslCtx));
Channel ch = b.bind(PORT).sync().channel();
System.out.println(
"Open your web browser and navigate to "
+ (SSL ? "https" : "http")
+ "://127.0.0.1:"
+ PORT
+ '/');
ch.closeFuture().sync();
} finally {
bossGroup.shutdownGracefully();
workerGroup.shutdownGracefully();
}
}
/*
* bean的初始化
*/
public void afterPropertiesSet() throws Exception {
EventLoopGroup bossGroup = new NioEventLoopGroup();
EventLoopGroup workerGroup = new NioEventLoopGroup();
try {
ServerBootstrap bootstrap = new ServerBootstrap();
bootstrap
.group(bossGroup, workerGroup)
.channel(NioServerSocketChannel.class)
.option(ChannelOption.SO_BACKLOG, 100)
.option(ChannelOption.SO_REUSEADDR, true)
.childOption(ChannelOption.SO_KEEPALIVE, true)
.childHandler(
new ChannelInitializer<SocketChannel>() {
@Override
protected void initChannel(SocketChannel ch) throws Exception {
ch.pipeline()
.addLast(new Encoder(Response.class))
.addLast(new Decoder(Request.class))
.addLast(new IdleStateHandler(0, 0, IDLE_TIME))
.addLast(new ServerHeartBeatHandler())
.addLast(new ServerHandler(exportClassMap));
}
});
ChannelFuture future = bootstrap.bind(addressProvider.getPort()).sync();
System.out.println("start server...");
future.channel().closeFuture().sync();
} finally {
bossGroup.shutdownGracefully();
workerGroup.shutdownGracefully();
}
}
public static void main(String[] args) throws Exception {
// Configure SSL.
final SslContext sslCtx;
if (SSL) {
SelfSignedCertificate ssc = new SelfSignedCertificate();
sslCtx = SslContext.newServerContext(ssc.certificate(), ssc.privateKey());
} else {
sslCtx = null;
}
EventLoopGroup bossGroup = new NioEventLoopGroup(1);
EventLoopGroup workerGroup = new NioEventLoopGroup();
try {
ServerBootstrap b = new ServerBootstrap();
b.group(bossGroup, workerGroup)
.channel(NioServerSocketChannel.class)
.handler(new LoggingHandler(LogLevel.INFO))
.childHandler(new FactorialServerInitializer(sslCtx));
b.bind(PORT).sync().channel().closeFuture().sync();
} finally {
bossGroup.shutdownGracefully();
workerGroup.shutdownGracefully();
}
}
public static void newHttpServerBootstrap(
String ip, int port, ChannelInitializer<SocketChannel> channelInitializer) {
// Configure the server.
int numCPUs = Runtime.getRuntime().availableProcessors();
EventLoopGroup bossGroup = new NioEventLoopGroup(numCPUs);
EventLoopGroup workerGroup = new NioEventLoopGroup(numCPUs);
try {
// public service processor
ServerBootstrap publicServerBootstrap = new ServerBootstrap();
publicServerBootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class);
publicServerBootstrap
.childOption(ChannelOption.TCP_NODELAY, false)
.childOption(ChannelOption.SO_KEEPALIVE, false)
.childHandler(channelInitializer);
// bind to public access host info
Channel ch1;
if ("*".equals(ip)) {
ch1 = publicServerBootstrap.bind(port).sync().channel();
} else {
ch1 = publicServerBootstrap.bind(ip, port).sync().channel();
}
System.out.println(String.format("Started OK HttpServer at %s:%d", ip, port));
ch1.config().setConnectTimeoutMillis(1800);
ch1.closeFuture().sync();
System.out.println("Shutdown...");
} catch (Throwable e) {
e.printStackTrace();
System.exit(1);
} finally {
bossGroup.shutdownGracefully();
workerGroup.shutdownGracefully();
}
}
public static void main(String args[]) throws Exception {
EventLoopGroup bossGroup = new NioEventLoopGroup(1);
EventLoopGroup workerGroup = new NioEventLoopGroup();
try {
ServerBootstrap b = new ServerBootstrap();
b.group(bossGroup, workerGroup)
.channel(NioServerSocketChannel.class)
.option(ChannelOption.SO_BACKLOG, 100)
// .childOption(ChannelOption.SO_KEEPALIVE, true)
.handler(new LoggingHandler(LogLevel.INFO))
.childHandler(
new ChannelInitializer<SocketChannel>() {
@Override
public void initChannel(SocketChannel ch) throws Exception {
ChannelPipeline p = ch.pipeline();
p.addLast(new IdleStateHandler(20, 10, 0));
p.addLast(new NettyServerHandler());
}
});
ChannelFuture f = b.bind(8080).sync();
f.channel().closeFuture().sync();
} finally {
bossGroup.shutdownGracefully();
workerGroup.shutdownGracefully();
}
}
public static void main(String[] args) throws Exception {
// Configure the server.
EventLoopGroup bossGroup = new NioEventLoopGroup();
EventLoopGroup workerGroup = new NioEventLoopGroup();
// Configure the server.
ServerBootstrap bootstrap;
try {
bootstrap = new ServerBootstrap();
bootstrap
.group(bossGroup, workerGroup)
.channel(NioServerSocketChannel.class)
.option(ChannelOption.SO_BACKLOG, 100)
.handler(new LoggingHandler(LogLevel.INFO))
.childHandler(
new ChannelInitializer<SocketChannel>() {
@Override
public void initChannel(SocketChannel ch) throws Exception {
ch.pipeline().addLast(new ServerHandler());
}
});
// Start the server.
ChannelFuture f = bootstrap.bind(8080).sync();
// Wait until the server socket is closed.
f.channel().closeFuture().sync();
} finally {
// Shut down all event loops to terminate all threads.
bossGroup.shutdownGracefully();
workerGroup.shutdownGracefully();
}
}
public void run() throws Exception {
EventLoopGroup bossGroup = new NioEventLoopGroup();
EventLoopGroup workerGroup = new NioEventLoopGroup();
try {
ServerBootstrap b = new ServerBootstrap(); // (2)
b.group(bossGroup, workerGroup)
.channel(NioServerSocketChannel.class) // (3)
.childHandler(
new ChannelInitializer<SocketChannel>() { // (4)
@Override
public void initChannel(SocketChannel ch) throws Exception {
ch.pipeline().addLast(new TimeServerHandler());
}
})
.option(ChannelOption.SO_BACKLOG, 128) // (5)
.childOption(ChannelOption.SO_KEEPALIVE, true); // (6)
// Bind and start to accept incoming connections.
ChannelFuture f = b.bind(port).sync(); // (7)
// Wait until the server socket is closed.
// In this example, this does not happen, but you can do that to gracefully
// shut down your server.
f.channel().closeFuture().sync();
} finally {
workerGroup.shutdownGracefully();
bossGroup.shutdownGracefully();
}
}
public static void main(String[] args) throws Exception {
// Configure the server.
EventLoopGroup bossGroup = new NioEventLoopGroup(1);
EventLoopGroup workerGroup = new NioEventLoopGroup();
try {
ServerBootstrap b = new ServerBootstrap();
b.group(bossGroup, workerGroup)
.channel(NioServerSocketChannel.class)
.option(ChannelOption.SO_BACKLOG, 100)
.childOption(ChannelOption.SO_KEEPALIVE, true)
.handler(new LoggingHandler(LogLevel.INFO))
.childHandler(new SerializationServerHandlerInitializer());
// Start the server.
ChannelFuture f = b.bind(PORT).sync();
// Wait until the server socket is closed.
f.channel().closeFuture().sync();
} finally {
// Shut down all event loops to terminate all threads.
bossGroup.shutdownGracefully();
workerGroup.shutdownGracefully();
}
}
public void bind(int port) throws Exception {
// 配置服务端的NIO线程组
EventLoopGroup bossGroup = new NioEventLoopGroup();
EventLoopGroup workerGroup = new NioEventLoopGroup();
try {
ServerBootstrap b = new ServerBootstrap();
b.group(bossGroup, workerGroup)
.channel(NioServerSocketChannel.class)
.option(ChannelOption.SO_BACKLOG, 100)
.handler(new LoggingHandler(LogLevel.INFO))
.childHandler(
new ChannelInitializer<SocketChannel>() {
@Override
public void initChannel(SocketChannel ch) {
ch.pipeline().addLast(MarshallingCodeCFactory.buildMarshallingDecoder());
ch.pipeline().addLast(MarshallingCodeCFactory.buildMarshallingEncoder());
ch.pipeline().addLast(new SubReqServerHandler());
}
});
// 绑定端口，同步等待成功
ChannelFuture f = b.bind(port).sync();
// 等待服务端监听端口关闭
f.channel().closeFuture().sync();
} finally {
// 优雅退出，释放线程池资源
bossGroup.shutdownGracefully();
workerGroup.shutdownGracefully();
}
}
public void run() throws Exception {
// Configure the server.
ServerBootstrap b = new ServerBootstrap();
EventLoopGroup bossGroup = new NioEventLoopGroup();
EventLoopGroup workerGroup = new NioEventLoopGroup();
try {
b.group(bossGroup, workerGroup)
.channel(NioServerSocketChannel.class)
.option(ChannelOption.SO_BACKLOG, 100)
.localAddress(new InetSocketAddress(port))
.childOption(ChannelOption.TCP_NODELAY, true)
.handler(new LoggingHandler(LogLevel.INFO))
.childHandler(
new BonaparteNettySslPipelineFactory(
1000, new TestServerHandler(), useSsl, false, requirePeerAuthentication, null));
// Start the server.
ChannelFuture f = b.bind().sync();
// Wait until the server socket is closed.
f.channel().closeFuture().sync();
} finally {
// Shut down all event loops to terminate all threads.
bossGroup.shutdownGracefully();
workerGroup.shutdownGracefully();
}
}
public void bind(int port) throws Exception {
// 配置服务端NIO线程组
EventLoopGroup boosGroup = new NioEventLoopGroup();
EventLoopGroup workerGroup = new NioEventLoopGroup();
try {
ServerBootstrap bootstrap = new ServerBootstrap();
bootstrap =
bootstrap
.group(boosGroup, workerGroup)
.channel(NioServerSocketChannel.class)
.option(ChannelOption.ALLOCATOR.SO_BACKLOG, 100)
.handler(new LoggingHandler(LogLevel.INFO))
.childHandler(
new ChannelInitializer<SocketChannel>() {
@Override
protected void initChannel(SocketChannel ch) throws Exception {
ByteBuf delimiter = Unpooled.copiedBuffer("$_".getBytes());
ch.pipeline().addLast(new DelimiterBasedFrameDecoder(1024, delimiter));
ch.pipeline().addLast(new StringDecoder());
ch.pipeline().addLast(new EchoServerHandle());
}
});
ChannelFuture future = bootstrap.bind(port).sync();
future.channel().closeFuture().sync();
} finally {
boosGroup.shutdownGracefully();
workerGroup.shutdownGracefully();
}
}
public void run(final int port, final String url) throws Exception {
EventLoopGroup bossGroup = new NioEventLoopGroup();
EventLoopGroup workerGroup = new NioEventLoopGroup();
try {
ServerBootstrap b = new ServerBootstrap();
b.group(bossGroup, workerGroup)
.channel(NioServerSocketChannel.class)
.childHandler(
new ChannelInitializer<SocketChannel>() {
@Override
protected void initChannel(SocketChannel ch) throws Exception {
ch.pipeline().addLast("http-decoder", new HttpRequestDecoder());
ch.pipeline().addLast("http-aggregator", new HttpObjectAggregator(65536));
ch.pipeline().addLast("http-encoder", new HttpResponseEncoder());
ch.pipeline().addLast("http-chunked", new ChunkedWriteHandler());
ch.pipeline().addLast("fileServerhandler", new HttpFileServerHandler(url));
}
});
ChannelFuture future = b.bind("127.0.0.1", port).sync();
System.out.println("HTTP Server start");
future.channel().closeFuture().sync();
} finally {
bossGroup.shutdownGracefully();
workerGroup.shutdownGracefully();
}
}
public void run(int port) throws Exception {
EventLoopGroup bossGroup = new NioEventLoopGroup();
EventLoopGroup workerGroup = new NioEventLoopGroup();
try {
ServerBootstrap b = new ServerBootstrap();
b.group(bossGroup, workerGroup)
.channel(NioServerSocketChannel.class)
.childHandler(
new ChannelInitializer<SocketChannel>() {
@Override
protected void initChannel(SocketChannel ch) throws Exception {
// 将请求和应答消息编码或者解码为http消息
ch.pipeline().addLast("http-codec", new HttpServerCodec());
// 目的是将http消息的多个部分组成一条完整的http消息
ch.pipeline().addLast("aggregator", new HttpObjectAggregator(65536));
// 来向客户端发送html5文件，它主要用于支持浏览器和服务端进行WebSocket通信
ch.pipeline().addLast("http-chunked", new ChunkedWriteHandler());
ch.pipeline().addLast("handler", new WebSocketServerHandler());
}
});
Channel ch = b.bind(port).sync().channel();
System.out.println("Web socket server started at port" + port + ".");
System.out.println("Open your browser and navigate to http://127.0.0.1:" + port + "/");
ch.closeFuture().sync();
} finally {
bossGroup.shutdownGracefully();
workerGroup.shutdownGracefully();
}
}
@Override
public void bind(SocketAddress address) throws IOException {
EventLoopGroup bossGroup = new NioEventLoopGroup();
EventLoopGroup workerGroup = new NioEventLoopGroup();
try {
/*
* Create the bootstrap group
*/
bootstrap
.group(bossGroup, workerGroup)
.channel(NioServerSocketChannel.class)
.childHandler(new NettyChannelInitializer(new NettyChannelHandler(this)))
.option(ChannelOption.SO_BACKLOG, 128)
.childOption(ChannelOption.SO_KEEPALIVE, true);
/*
* Bind and start to accept incoming connections.
*/
ChannelFuture f = bootstrap.bind(address).sync();
/*
* Wait until the server socket is closed to shut down the server
*/
f.channel().closeFuture().sync();
} catch (InterruptedException ex) {
throw new IOException("could not start server", ex);
} finally {
workerGroup.shutdownGracefully();
bossGroup.shutdownGracefully();
}
}
@AfterClass
public static void destroy() {
groupA.shutdownGracefully();
groupB.shutdownGracefully();
groupA.terminationFuture().syncUninterruptibly();
groupB.terminationFuture().syncUninterruptibly();
}
@Override
public void Run(int port) {
EventLoopGroup boss = null;
EventLoopGroup work = null;
ServerBootstrap bootStrap = null;
ChannelFuture future = null;
try {
boss = new NioEventLoopGroup();
work = new NioEventLoopGroup();
bootStrap = new ServerBootstrap();
// server setting
bootStrap.group(boss, work);
bootStrap.channel(NioServerSocketChannel.class);
bootStrap.childHandler(new StringServerChannelInit());
bootStrap.option(ChannelOption.SO_BACKLOG, 128);
bootStrap.option(ChannelOption.TCP_NODELAY, true);
bootStrap.childOption(ChannelOption.SO_KEEPALIVE, true);
// server start
future = bootStrap.bind(port).sync();
// server shutdown
future.channel().closeFuture().sync();
} catch (InterruptedException e) {
e.printStackTrace();
} finally {
boss.shutdownGracefully();
work.shutdownGracefully();
}
}
public void bind(int port) {
EventLoopGroup bossGrouop = new NioEventLoopGroup();
EventLoopGroup workerGroup = new NioEventLoopGroup();
try {
ServerBootstrap b = new ServerBootstrap();
b.group(bossGrouop, workerGroup)
.channel(NioServerSocketChannel.class)
.childHandler(
new ChannelInitializer<SocketChannel>() {
@Override
protected void initChannel(SocketChannel socketChannel) throws Exception {
ChannelPipeline pipeline = socketChannel.pipeline();
pipeline.addLast(new DispatchHandler());
pipeline.addLast("http-codec", new HttpServerCodec());
pipeline.addLast("aggregator", new HttpObjectAggregator(65536));
pipeline.addLast("http-chunked", new ChunkedWriteHandler());
pipeline.addLast(new WebSocketServerHandler());
}
});
Channel channel = b.bind(port).sync().channel();
System.out.println("服务端启动");
channel.closeFuture().sync();
} catch (Exception e) {
e.printStackTrace();
} finally {
bossGrouop.shutdownGracefully();
workerGroup.shutdownGracefully();
}
}
public static void main(String[] args) throws Exception {
System.out.println("Starting HystrixMetricsReactiveSocketServer...");
final ReactiveSocketServerHandler handler =
ReactiveSocketServerHandler.create((setupPayload, rs) -> new EventStreamRequestHandler());
EventLoopGroup bossGroup = new NioEventLoopGroup(1);
EventLoopGroup workerGroup = new NioEventLoopGroup();
try {
ServerBootstrap b = new ServerBootstrap();
b.group(bossGroup, workerGroup)
.channel(NioServerSocketChannel.class)
.handler(new LoggingHandler(LogLevel.INFO))
.childHandler(
new ChannelInitializer<Channel>() {
@Override
protected void initChannel(Channel ch) throws Exception {
ChannelPipeline pipeline = ch.pipeline();
pipeline.addLast(handler);
}
});
Channel localhost = b.bind("127.0.0.1", 8025).sync().channel();
executeCommands();
localhost.closeFuture().sync();
} finally {
bossGroup.shutdownGracefully();
workerGroup.shutdownGracefully();
}
}
public void stop() {
try {
bossGroup.shutdownGracefully(0, 1, TimeUnit.MILLISECONDS);
workerGroup.shutdownGracefully(0, 1, TimeUnit.MILLISECONDS);
channel.close();
// wait for socket to be released
TimeUnit.MILLISECONDS.sleep(500);
} catch (Exception ie) {
logger.trace("Exception while stopping MockServer proxy", ie);
}
}
public void stop() {
if (m_workerGroup == null) {
throw new IllegalStateException("Invoked close on an Acceptor that wasn't initialized");
}
if (m_bossGroup == null) {
throw new IllegalStateException("Invoked close on an Acceptor that wasn't initialized");
}
m_workerGroup.shutdownGracefully();
m_bossGroup.shutdownGracefully();
LOG.info("Closed boss and worker Event loops");
System.out.println("Server stopped");
}
public void stop() throws Exception {
shutdown.set(true);
try {
// Wait for channel to be closed
if (acceptorChannel != null) {
acceptorChannel.close();
acceptorChannel.closeFuture().sync();
}
} finally {
bossGroup.shutdownGracefully();
workerGroup.shutdownGracefully();
}
}
public void run() throws Exception {
EventLoopGroup bossGroup = new NioEventLoopGroup(1);
EventLoopGroup workerGroup = new NioEventLoopGroup();
try {
ServerBootstrap b = new ServerBootstrap();
b.group(bossGroup, workerGroup)
.channel(NioServerSocketChannel.class)
.childHandler(new TelnetServerInitializer());
b.bind(port).sync().channel().closeFuture().sync();
} finally {
bossGroup.shutdownGracefully();
workerGroup.shutdownGracefully();
}
}
public NetworkServer(NetworkManager manager, int port) {
this.manager = manager;
b.group(bossGroup, workerGroup)
.channel(NioServerSocketChannel.class)
.childHandler(new NetworkServerConnectionInitializer(manager));
try {
Channel ch = b.bind(port).sync().channel();
ch.closeFuture().sync();
} catch (InterruptedException interrupt) {
} finally {
bossGroup.shutdownGracefully();
workerGroup.shutdownGracefully();
}
}
/**
* Set up a primary server or back up server.
*
* @param port
* @param isSlave
* @throws InterruptedException
*/
public static void init(int port, boolean isBackup) throws InterruptedException {
MazeServerHandler.isBackup = isBackup;
if (isBackup) {
logger.info("[CREATE_SERVER_BACKUP]: {}", port);
} else {
logger.info("[CREATE_SERVER_PRIMARY]: {}", port);
}
EventLoopGroup bossGroup = new NioEventLoopGroup();
EventLoopGroup workerGroup = new NioEventLoopGroup();
try {
ServerBootstrap b = new ServerBootstrap();
b.group(bossGroup, workerGroup)
.channel(NioServerSocketChannel.class)
.childHandler(
new ChannelInitializer<SocketChannel>() {
@Override
public void initChannel(SocketChannel ch) throws Exception {
ChannelPipeline pipe = ch.pipeline();
// Decoders
pipe.addLast(
"frameDecoder", new LengthFieldBasedFrameDecoder(1048576, 0, 4, 0, 4));
pipe.addLast("bytesDecoder", new ByteArrayDecoder());
pipe.addLast("messageDecoder", new MazeMessageDecoder());
// Encoder
pipe.addLast("frameEncoder", new LengthFieldPrepender(4));
pipe.addLast("bytesEncoder", new ByteArrayEncoder());
pipe.addLast("messageEncoder", new MazeMessageEncoder());
// Add Server handler
pipe.addLast(new MazeServerHandler());
}
})
.option(ChannelOption.SO_BACKLOG, 128)
.childOption(ChannelOption.SO_KEEPALIVE, true);
// Bind and start to accept incoming connections.
ChannelFuture f = b.bind(port).sync();
// Wait until the server socket is closed.
f.channel().closeFuture().sync();
} finally {
workerGroup.shutdownGracefully();
bossGroup.shutdownGracefully();
}
}
public void connect(int port, String host) throws Exception {
// 配置客户端NIO线程组
EventLoopGroup group = new NioEventLoopGroup();
try {
Bootstrap b = new Bootstrap();
b.group(group)
.channel(NioSocketChannel.class)
.option(ChannelOption.TCP_NODELAY, true)
.handler(
new ChannelInitializer<SocketChannel>() {
@Override
public void initChannel(SocketChannel ch) throws Exception {
ch.pipeline().addLast(new ProtobufVarint32FrameDecoder());
ch.pipeline()
.addLast(
new ProtobufDecoder(
SubscribeRespProto.SubscribeResp.getDefaultInstance()));
ch.pipeline().addLast(new ProtobufVarint32LengthFieldPrepender());
ch.pipeline().addLast(new ProtobufEncoder());
ch.pipeline().addLast(new SubReqClientHandler());
}
});
// 发起异步连接操作
ChannelFuture f = b.connect(host, port).sync();
// 当代客户端链路关闭
f.channel().closeFuture().sync();
} finally {
// 优雅退出，释放NIO线程组
group.shutdownGracefully();
}
}
public void start() throws InterruptedException, URISyntaxException {
EventLoopGroup group = new NioEventLoopGroup();
try {
Bootstrap b = new Bootstrap();
b.group(group).channel(NioSocketChannel.class);
b.handler(
new ChannelInitializer<Channel>() {
@Override
protected void initChannel(Channel ch) throws Exception {
ChannelPipeline pipeline = ch.pipeline();
pipeline.addLast("decoder", new RtspResponseDecoder());
pipeline.addLast("encoder", new RtspRequestEncoder());
pipeline.addLast("aggregator", new HttpObjectAggregator(1024 * 1024 * 64));
pipeline.addLast("handler", new ResponseHandler());
}
});
b.option(ChannelOption.SO_KEEPALIVE, true);
ChannelFuture channelFutrue = b.connect(host, port).sync();
if (channelFutrue.isSuccess()) {
channel = channelFutrue.channel();
URI uri = new URI("rtsp://127.0.0.1:554/hello-world");
HttpRequest request = this.buildOptionsRequest(uri.toASCIIString());
this.send(request);
channel.closeFuture().sync();
}
} finally {
// 优雅退出，释放NIO线程组
group.shutdownGracefully();
}
}
public void start() throws InterruptedException {
EventLoopGroup group = new NioEventLoopGroup();
try {
ServerBootstrap b = new ServerBootstrap();
b.group(group)
.channel(NioServerSocketChannel.class)
.localAddress(new InetSocketAddress(port))
.childHandler(
new ChannelInitializer<SocketChannel>() {
@Override
public void initChannel(SocketChannel ch) throws Exception {
ch.pipeline()
.addLast(new EchoServerHandler())
.addFirst(new OutboundTest1())
.addFirst(new OutboundTest2());
}
});
ChannelFuture f = b.bind().sync();
System.out.println(
EchoServer.class.getName() + " started and listen on" + f.channel().localAddress());
f.channel().closeFuture().sync();
} finally {
group.shutdownGracefully().sync();
}
}
public void run() throws Exception {
EventLoopGroup group = new NioEventLoopGroup();
try {
Bootstrap b = new Bootstrap();
b.group(group)
.channel(NioDatagramChannel.class)
.option(ChannelOption.SO_BROADCAST, true)
.handler(new QuoteOfTheMomentClientHandler());
Channel ch = b.bind(0).sync().channel();
// Broadcast the QOTM request to port 8080.
ch.write(
new DatagramPacket(
Unpooled.copiedBuffer("QOTM?", CharsetUtil.UTF_8),
new InetSocketAddress("255.255.255.255", port)))
.flush()
.sync();
// QuoteOfTheMomentClientHandler will close the DatagramChannel when a
// response is received. If the channel is not closed within 5 seconds,
// print an error message and quit.
if (!ch.closeFuture().await(5000)) {
System.err.println("QOTM request timed out.");
}
} finally {
group.shutdownGracefully();
}
}
public static void main(String[] args) throws Exception {
// Configure SSL.
final SslContext sslCtx;
if (SSL) {
sslCtx = SslContext.newClientContext(InsecureTrustManagerFactory.INSTANCE);
} else {
sslCtx = null;
}
EventLoopGroup group = new NioEventLoopGroup();
try {
Bootstrap b = new Bootstrap();
b.group(group)
.channel(NioSocketChannel.class)
.handler(
new ChannelInitializer<SocketChannel>() {
@Override
protected void initChannel(SocketChannel ch) throws Exception {
ChannelPipeline p = ch.pipeline();
if (sslCtx != null) {
p.addLast(sslCtx.newHandler(ch.alloc(), HOST, PORT));
}
p.addLast(new DiscardClientHandler());
}
});
// Make the connection attempt.
ChannelFuture f = b.connect(HOST, PORT).sync();
// Wait until the connection is closed.
f.channel().closeFuture().sync();
} finally {
group.shutdownGracefully();
}
}
public void start() throws InterruptedException {
try {
eventLoops = new NioEventLoopGroup();
ServerBootstrap b = new ServerBootstrap();
b.group(eventLoops);
b.channel(NioServerSocketChannel.class);
b.childHandler(
new ChannelInitializer<SocketChannel>() {
@Override
protected void initChannel(SocketChannel channel) throws Exception {
channel.pipeline().addLast(new FramePrepender());
channel.pipeline().addLast(new FrameDecoder());
channel.pipeline().addLast(new PacketEncoder());
channel.pipeline().addLast(new PacketDecoder());
channel.pipeline().addLast(new ServerConnectionHandler(channel));
}
});
ChannelFuture f = b.bind(port).sync();
f.channel().closeFuture().sync();
} finally {
eventLoops.shutdownGracefully();
}
}
