public void connection(String host, int port) throws Exception {
// 定义主线程组，处理轮询
NioEventLoopGroup bossGroup = new NioEventLoopGroup();
try {
// 这是客户端的启动类
Bootstrap bs = new Bootstrap();
// 设置线程组
bs.group(bossGroup)
// 设置option参数
.option(ChannelOption.TCP_NODELAY, true)
// 设置客户端SocketChannel
.channel(NioSocketChannel.class)
// 设置客户端处理器
.handler(
new ChannelInitializer<SocketChannel>() {
@Override
protected void initChannel(SocketChannel ch) throws Exception {
ch.pipeline().addLast(new TimeClientHandler());
}
});
// 连接到服务器端
ChannelFuture future = bs.connect(host, port).sync();
future.channel().closeFuture().sync();
} finally {
// 优雅退出
bossGroup.shutdownGracefully();
}
}
public void run() {
// Configure the client.
final ThreadFactory connectFactory = new UtilThreadFactory("connect");
final NioEventLoopGroup connectGroup =
new NioEventLoopGroup(1, connectFactory, NioUdtProvider.BYTE_PROVIDER);
try {
final Bootstrap boot = new Bootstrap();
boot.group(connectGroup)
.channelFactory(NioUdtProvider.BYTE_CONNECTOR)
.handler(
new ChannelInitializer() {
@Override
protected void initChannel(Channel ch) throws Exception {
ch.pipeline()
.addLast(new LoggingHandler(LogLevel.INFO), new ModemClientHandler());
}
});
// Start the client.
final ChannelFuture f = boot.connect(host, port).sync();
f.channel().closeFuture().sync();
} catch (Exception e) {
e.printStackTrace();
} finally {
// Shut down the event loop to terminate all threads.
connectGroup.shutdownGracefully();
}
}
@Override
public void start() throws Exception {
NioEventLoopGroup bossGroup = new NioEventLoopGroup();
NioEventLoopGroup workerGroup = new NioEventLoopGroup();
try {
ServerBootstrap bootstrap = new ServerBootstrap();
bootstrap
.group(bossGroup, workerGroup)
.channel(NioServerSocketChannel.class)
.handler(
new ChannelInitializer<ServerSocketChannel>() {
@Override
protected void initChannel(ServerSocketChannel ch) throws Exception {
ch.pipeline().addLast("log", new LoggingHandler(LogLevel.INFO));
ch.pipeline()
.addLast(
"redis", Tangerine.getInstance().getBean(NotifyServiceHandler.class));
}
})
.childHandler(new ServerChannelInitializer())
.option(ChannelOption.SO_BACKLOG, 1024);
channel = bootstrap.bind(host, port).sync().channel();
channel.closeFuture().sync();
} finally {
bossGroup.shutdownGracefully();
workerGroup.shutdownGracefully();
}
}
public static void main(String[] args) throws Exception {
// Address to bind on / connect to.
// final LocalAddress addr = new LocalAddress(PORT);
final InetAddress HOST = InetAddress.getByName("192.168.220.128");
// final InetSocketAddress addr = InetSocketAddress.createUnresolved("192.168.220.128",
// Integer.parseInt(PORT));
NioEventLoopGroup clientGroup = new NioEventLoopGroup(); // NIO event loops are also OK
final SslContext sslCtx = null;
try {
Bootstrap b = new Bootstrap();
b.group(clientGroup)
.channel(NioSocketChannel.class)
.option(ChannelOption.TCP_NODELAY, true)
.handler(
new ChannelInitializer<SocketChannel>() {
@Override
public void initChannel(SocketChannel ch) throws Exception {
ChannelPipeline p = ch.pipeline();
// p.addLast(new LoggingHandler(LogLevel.INFO));
p.addLast(new LocalEchoClientHandler());
}
});
// Start the client.
ChannelFuture f = b.connect(HOST, PORT).sync();
ByteBuf subsequentMessage = null;
byte[] bytes = null;
Channel ch = b.connect(HOST, PORT).channel();
String line = null;
System.out.println("Feel free to chat here");
while (true) {
line = new BufferedReader(new InputStreamReader(System.in)).readLine();
if (line.equalsIgnoreCase("quit") || !ch.isActive()) {
System.out.println("Prepare to close the connection.");
break;
}
subsequentMessage = Unpooled.buffer();
bytes = line.getBytes();
subsequentMessage.writeBytes(bytes);
ch.writeAndFlush(subsequentMessage);
}
// Wait until the connection is closed.
f.channel().closeFuture().sync();
} finally {
clientGroup.shutdownGracefully();
System.out.println("Client closed");
}
}
@Override
public EventLoopGroup create() {
// Use the executor based constructor so we can work with both Netty4 & Netty5.
ThreadFactory threadFactory = new ThreadFactoryBuilder().setNameFormat(name + "-%d").build();
int parallelism =
numEventLoops == 0 ? Runtime.getRuntime().availableProcessors() * 2 : numEventLoops;
final ExecutorService executor = Executors.newFixedThreadPool(parallelism, threadFactory);
NioEventLoopGroup nioEventLoopGroup = new NioEventLoopGroup(parallelism, executor);
nioEventLoopGroup
.terminationFuture()
.addListener(
new GenericFutureListener<Future<Object>>() {
@Override
public void operationComplete(Future<Object> future) throws Exception {
executor.shutdown();
}
});
return nioEventLoopGroup;
}
private void finishShutdown() {
if (!_finishingShutdown.compareAndSet(false, true)) {
return;
}
if (_shutdownTimeoutTask != null) {
_shutdownTimeoutTask.cancel(false);
}
if (_shutdownFactory) {
LOG.info("Shutdown Netty Event Loop");
_eventLoopGroup.shutdownGracefully(0, 0, TimeUnit.SECONDS);
}
if (_shutdownExecutor) {
// Due to a bug in ScheduledThreadPoolExecutor, shutdownNow() returns cancelled
// tasks as though they were still pending execution. If the executor has a large
// number of cancelled tasks, shutdownNow() could take a long time to copy the array
// of tasks. Calling shutdown() first will purge the cancelled tasks. Bug filed with
// Oracle; will provide bug number when available. May be fixed in JDK7 already.
_executor.shutdown();
_executor.shutdownNow();
LOG.info("Scheduler shutdown complete");
}
if (_shutdownCallbackExecutor) {
LOG.info("Shutdown callback executor");
_callbackExecutorGroup.shutdown();
_callbackExecutorGroup.shutdownNow();
}
final Callback<None> callback;
synchronized (_mutex) {
callback = _factoryShutdownCallback;
}
LOG.info("Shutdown complete");
callback.onSuccess(None.none());
}
