119 lines
3.5 KiB
Java
119 lines
3.5 KiB
Java
package client;
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import com.formdev.flatlaf.FlatLightLaf;
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import client.service.*;
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import client.view.LoginPage;
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import global.global;
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import server.serveice.Wrapper;
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import javax.swing.*;
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import java.io.IOException;
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import java.net.ServerSocket;
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import java.net.Socket;
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import java.util.concurrent.ArrayBlockingQueue;
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import java.util.concurrent.BlockingQueue;
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public class Client {
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private static boolean isConnected = false; // 是否连接成功
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// 接收信息线程
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private ChatReceiver chatReceiver;
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// 发送信息线程
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private ChatSender chatSender;
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// 信息处理队列
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private BlockingQueue<Wrapper> messageQueue;
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// 用于分配动态端口的计数器
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private static int dynamicPortCounter = 10000;
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private static final int MAX_DYNAMIC_PORT = 20000;
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// 程序入口
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public static void main(String[] args) {
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// 设置 FlatLaf 主题，使界面更现代化，符合当前审美
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try {
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FlatLightLaf.setup();
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} catch (Exception e) {
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System.err.println("Failed to initialize FlatLaf");
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}
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Client client = new Client();
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client.startClient();
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System.out.println("客户端启动成功,本地端口：" +
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(dynamicPortCounter > 10000 ? dynamicPortCounter - 1 : "未分配"));
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SwingUtilities.invokeLater(() -> {
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LoginPage.get().setVisible(true);
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});
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}
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// 启动客户端，连接服务端,初始化相关内容
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public void startClient() {
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messageQueue = new ArrayBlockingQueue<>(40);
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// 连接服务器 创建 clientSocket
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try {
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int localPort = findAvailablePort(getNextDynamicPort());
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Socket socket;
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if (localPort > 0) {
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socket = new Socket(
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global.LOCAL_HOST,
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global.SERVER_PORT,
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null,
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localPort);
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} else {
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socket = new Socket(
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global.LOCAL_HOST,
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global.SERVER_PORT);
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}
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chatSender = new ChatSender(socket, messageQueue);
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chatReceiver = new ChatReceiver(socket, messageQueue);
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chatSender.start();
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Thread.sleep(200);
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chatReceiver.start();
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isConnected = true;
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} catch (IOException e) {
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isConnected = false;
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e.printStackTrace();
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} catch (InterruptedException e) {
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throw new RuntimeException(e);
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}
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}
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// 获取动态分配的本地端口
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private synchronized int getNextDynamicPort() {
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int port = dynamicPortCounter;
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dynamicPortCounter++;
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// 如果超出范围，重置到起始端口
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if (dynamicPortCounter >= MAX_DYNAMIC_PORT) {
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dynamicPortCounter = 10000;
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}
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return port;
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}
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// 寻找可用端口
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private int findAvailablePort(int startPort) {
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int port = startPort;
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while (port < MAX_DYNAMIC_PORT) {
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try (ServerSocket serverSocket = new ServerSocket(port)) {
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// 如果能成功创建ServerSocket，说明端口可用
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serverSocket.close();
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return port;
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} catch (IOException e) {
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// 端口被占用，尝试下一个
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port++;
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}
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}
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// 如果没找到可用端口，使用0让系统自动分配
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return 0;
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}
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public static boolean isConnected() {
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return isConnected;
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}
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} |