Java에서 네트워크 장벽 및 통신 문제를 해결하는 방법

import java.io.*;
import java.net.*;

public class NetworkThread extends Thread {
    private Socket socket;
    
    public NetworkThread(Socket socket) {
        this.socket = socket;
    }
    
    public void run() {
        try {
            // 处理网络通信逻辑
            // ...
        } catch (IOException e) {
            // 处理异常
            e.printStackTrace();
        } finally {
            // 关闭socket连接
            try {
                socket.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}

public class Server {
    public static void main(String[] args) throws IOException {
        ServerSocket serverSocket = new ServerSocket(8080);
        
        while (true) {
            Socket socket = serverSocket.accept();
            NetworkThread networkThread = new NetworkThread(socket);
            networkThread.start();
        }
    }
}

import java.io.*;
import java.net.*;
import java.nio.*;
import java.nio.channels.*;

public class Server {
    public static void main(String[] args) throws IOException {
        ServerSocketChannel serverSocketChannel = ServerSocketChannel.open();
        serverSocketChannel.bind(new InetSocketAddress(8080));
        serverSocketChannel.configureBlocking(false);
        
        Selector selector = Selector.open();
        serverSocketChannel.register(selector, SelectionKey.OP_ACCEPT);
        
        while (true) {
            selector.select();
            
            for (SelectionKey selectionKey : selector.selectedKeys()) {
                if (selectionKey.isAcceptable()) {
                    SocketChannel socketChannel = serverSocketChannel.accept();
                    socketChannel.configureBlocking(false);
                    socketChannel.register(selector, SelectionKey.OP_READ);
                } else if (selectionKey.isReadable()) {
                    SocketChannel socketChannel = (SocketChannel) selectionKey.channel();
                    ByteBuffer buffer = ByteBuffer.allocate(1024);
                    int bytesRead = socketChannel.read(buffer);
                    if (bytesRead > 0) {
                        // 处理读取的数据
                        buffer.flip();
                        byte[] bytes = new byte[buffer.remaining()];
                        buffer.get(bytes);
                        System.out.println("Received: " + new String(bytes));
                        buffer.clear();
                    } else if (bytesRead == -1) {
                        socketChannel.close();
                    }
                }
            }
            
            selector.selectedKeys().clear();
        }
    }
}

import java.util.concurrent.*;

public class Producer implements Runnable {
    private BlockingQueue<String> queue;
    
    public Producer(BlockingQueue<String> queue) {
        this.queue = queue;
    }
    
    public void run() {
        try {
            // 模拟网络通信
            Thread.sleep(1000);
            
            String message = "Hello World!";
            queue.put(message);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }
}

public class Consumer implements Runnable {
    private BlockingQueue<String> queue;
    
    public Consumer(BlockingQueue<String> queue) {
        this.queue = queue;
    }
    
    public void run() {
        try {
            String message = queue.take();
            
            // 处理接收到的消息
            System.out.println("Received: " + message);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }
}

public class Main {
    public static void main(String[] args) {
        BlockingQueue<String> queue = new ArrayBlockingQueue<>(10);
        
        Thread producerThread = new Thread(new Producer(queue));
        Thread consumerThread = new Thread(new Consumer(queue));
        
        producerThread.start();
        consumerThread.start();
    }
}