Servidor multiproceso NIO de programación de red Java

Código 1.0

/**
 * 多线程服务器（相当于有一个大厅经理管理手下干活的进程）
 * @author FuQingsong
 * @create 2023-04-07-19:47
 */
public class MuliThreadServer {
    public static void main(String[] args) throws Exception {
        ServerSocketChannel ssc = ServerSocketChannel.open();
        ssc.configureBlocking(false);
        ssc.bind(new InetSocketAddress(8080));
        Selector selector = Selector.open();
        server work = new server("work_0");
        ssc.register(selector, SelectionKey.OP_ACCEPT);
        while (true){
            selector.select();
            SocketChannel sc = ssc.accept();
            sc.configureBlocking(false);
            System.out.println("交给手下的人进行干活！！");
            work.register(sc);
        }
    }
    //只进行读的线程
    static class server implements Runnable{
        private Thread thread;
        private String name;//读服务线程名
        private Selector selector;
        private boolean isStart = true;
        private ConcurrentLinkedQueue<Runnable> queue = new ConcurrentLinkedQueue();//用于线程通信

        public server(String name) {
            this.name = name;
        }
        public void register(SocketChannel sc) throws Exception{
            if (isStart){
                selector = Selector.open();
                thread = new Thread(this,name);
                thread.start();
                isStart = false;
            }
            queue.add(()->{
                try {
                    sc.register(selector,SelectionKey.OP_READ);
                } catch (ClosedChannelException e) {
                    e.printStackTrace();
                }
            });
            selector.wakeup();//唤醒下面的select()
        }
        @Override
        public void run() {
            while (true){
                try {
                    selector.select();
                    Runnable task = queue.poll();
                    if (task != null){
                        task.run();
                    }
                    Iterator<SelectionKey> iterator = selector.selectedKeys().iterator();
                    while (iterator.hasNext()){
                        SelectionKey key = iterator.next();
                        iterator.remove();
                        if (key.isReadable()) {
                            ByteBuffer buffer = ByteBuffer.allocate(32);
                            SocketChannel channel = (SocketChannel) key.channel();
                            channel.read(buffer);
                            buffer.flip();
                            System.out.println(Charset.defaultCharset().decode(buffer).toString());
                            buffer.clear();
                        }
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }

        }
    }
}

 Código 2.0 dos subprocesos de trabajo

/**
 * 多线程服务器（相当于有一个大厅经理管理手下干活的进程）
 * @author FuQingsong
 * @create 2023-04-07-19:47
 */
public class MuliThreadServer {
    public static void main(String[] args) throws Exception {
        ServerSocketChannel ssc = ServerSocketChannel.open();
        ssc.configureBlocking(false);
        ssc.bind(new InetSocketAddress(8080));
        Selector selector = Selector.open();
        //server work = new server("work_0");
        server[] work = new server[2];
        for (int i = 0; i < work.length ; i++) {
            work[i] = new server("work_"+i);
        }
        int count  = 1;
        ssc.register(selector, SelectionKey.OP_ACCEPT);
        while (true){
            selector.select();
            SocketChannel sc = ssc.accept();
            sc.configureBlocking(false);
            System.out.println("交给手下的人进行干活！！");
            work[(count++)%2].register(sc);
        }
    }
    //只进行读的线程
    static class server implements Runnable{
        private Thread thread;
        private String name;//读服务线程名
        private Selector selector;
        private boolean isStart = true;
        private ConcurrentLinkedQueue<Runnable> queue = new ConcurrentLinkedQueue();//用于线程通信

        public server(String name) {
            this.name = name;
        }
        public void register(SocketChannel sc) throws Exception{
            if (isStart){
                selector = Selector.open();
                thread = new Thread(this,name);
                thread.start();
                isStart = false;
            }
            queue.add(()->{
                try {
                    sc.register(selector,SelectionKey.OP_READ);
                } catch (ClosedChannelException e) {
                    e.printStackTrace();
                }
            });
            selector.wakeup();//唤醒下面的select()
        }
        @Override
        public void run() {
            while (true){
                try {
                    selector.select();
                    Runnable task = queue.poll();
                    if (task != null){
                        task.run();
                    }
                    Iterator<SelectionKey> iterator = selector.selectedKeys().iterator();
                    while (iterator.hasNext()){
                        SelectionKey key = iterator.next();
                        iterator.remove();
                        if (key.isReadable()) {
                            ByteBuffer buffer = ByteBuffer.allocate(32);
                            SocketChannel channel = (SocketChannel) key.channel();
                            channel.read(buffer);
                            buffer.flip();
                            System.out.println(Thread.currentThread().getName());
                            System.out.println(Charset.defaultCharset().decode(buffer).toString());
                            buffer.clear();
                        }
                    }
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }

        }
    }

}