package chushihua;
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import chuankou.Sendmsg;
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import home.MachineConfig;
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import publicway.QueryData;
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import xitongshezhi.Fkj;
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import xitongshezhi.SystemDebugDialog;
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import java.util.Map;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.concurrent.atomic.AtomicBoolean;
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/**
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* 轮询查询类 - 优化版本
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* 用于定时向所有卡槽发送查询指令
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* 支持暂停和恢复功能，检查串口连接状态
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*/
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public class lunxun {
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private static volatile boolean isRunning = false;
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private static volatile boolean isPaused = false;
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private static final AtomicBoolean shouldStop = new AtomicBoolean(false);
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private static Thread pollingThread;
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private static int pollingInterval = 100; // 默认轮询间隔
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// 卡槽相关常量
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private static final int MIN_SLOT = 1;
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private static final int MAX_SLOT = 60;
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// 串口连接检查相关
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private static final int SERIAL_CHECK_INTERVAL = 5000; // 5秒检查一次串口连接
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private static long lastSerialCheckTime = 0;
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private static boolean serialConnected = false;
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// 性能优化：查询指令缓存
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private static final Map<Integer, String> queryCommandCache = new ConcurrentHashMap<>();
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// 调试模式控制
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public static boolean DEBUG_ENABLED = false;
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/**
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* 检查串口连接状态 - 优化版本，添加重试机制
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* @return true-串口已连接, false-串口未连接
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*/
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public static boolean checkSerialConnection() {
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// 避免频繁检查，每5秒检查一次
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long currentTime = System.currentTimeMillis();
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if (currentTime - lastSerialCheckTime < SERIAL_CHECK_INTERVAL) {
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return serialConnected;
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}
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lastSerialCheckTime = currentTime;
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try {
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// 简化检查：直接检查Sendmsg的串口状态，而不是发送测试指令
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boolean result = Sendmsg.isPortOpen();
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if (result) {
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if (DEBUG_ENABLED) {
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//System.out.println("串口连接正常");
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}
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serialConnected = true;
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} else {
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System.err.println("串口连接失败 - 串口未打开");
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serialConnected = false;
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}
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} catch (Exception e) {
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System.err.println("串口连接检查异常: " + e.getMessage());
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serialConnected = false;
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}
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return serialConnected;
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}
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/**
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* 带重试的串口连接检查
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*/
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private static boolean checkSerialConnectionWithRetry() {
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for (int i = 0; i < 3; i++) {
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if (checkSerialConnection()) {
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return true;
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}
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try {
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Thread.sleep(1000);
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} catch (InterruptedException e) {
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Thread.currentThread().interrupt();
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return false;
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}
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}
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return false;
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}
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/**
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* 启动轮询查询 - 优化版本
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* @return true-启动成功, false-启动失败
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*/
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public static boolean startPolling() {
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if (isRunning) {
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//System.out.println("轮询查询已经在运行中");
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return true;
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}
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// 启动前严格检查串口连接
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if (!checkSerialConnectionWithRetry()) {
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System.err.println("串口未连接，无法启动轮询查询");
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return false;
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}
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// 从配置中获取轮询间隔
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loadPollingIntervalFromConfig();
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isRunning = true;
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isPaused = false;
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shouldStop.set(false);
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try {
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pollingThread = new Thread(new PollingTask(), "CardSlot-Polling-Thread");
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pollingThread.setDaemon(true);
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pollingThread.start();
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return true;
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} catch (Exception e) {
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System.err.println("启动轮询查询线程时发生异常: " + e.getMessage());
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isRunning = false;
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shouldStop.set(true);
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return false;
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}
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}
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/**
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* 停止轮询查询 - 修复版本
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* @return true-停止成功, false-停止失败
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*/
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public static boolean stopPolling() {
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if (!isRunning) {
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//System.out.println("轮询查询未在运行");
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return false;
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}
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shouldStop.set(true);
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isRunning = false;
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isPaused = false;
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if (pollingThread != null) {
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pollingThread.interrupt();
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try {
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pollingThread.join(3000); // 等待3秒
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// 检查线程是否还在运行
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if (pollingThread.isAlive()) {
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System.err.println("轮询线程未在3秒内停止，标记为守护线程并忽略");
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// 不强制停止，而是确保它是守护线程
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pollingThread.setDaemon(true);
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}
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} catch (InterruptedException e) {
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System.err.println("停止轮询查询时被中断: " + e.getMessage());
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Thread.currentThread().interrupt();
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} catch (Exception e) {
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System.err.println("停止轮询线程时发生异常: " + e.getMessage());
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} finally {
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pollingThread = null;
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}
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}
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shouldStop.set(false);
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//System.out.println("轮询查询已停止");
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return true;
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}
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/**
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* 暂停轮询查询
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* @return true-暂停成功, false-暂停失败
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*/
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public static boolean pausePolling() {
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if (!isRunning) {
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if (DEBUG_ENABLED) {
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//System.out.println("轮询查询未在运行，无法暂停");
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}
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return false;
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}
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if (isPaused) {
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if (DEBUG_ENABLED) {
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//System.out.println("轮询查询已经处于暂停状态");
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}
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return false;
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}
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isPaused = true;
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//System.out.println("轮询查询已暂停");
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return true;
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}
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/**
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* 恢复轮询查询
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* @return true-恢复成功, false-恢复失败
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*/
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public static boolean resumePolling() {
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if (!isRunning) {
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//System.out.println("轮询查询未在运行，无法恢复");
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return false;
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}
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if (!isPaused) {
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//System.out.println("轮询查询未处于暂停状态");
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return false;
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}
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// 恢复前检查串口连接
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if (!checkSerialConnectionWithRetry()) {
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System.err.println("串口未连接，无法恢复轮询查询");
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return false;
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}
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isPaused = false;
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synchronized (lunxun.class) {
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lunxun.class.notifyAll(); // 唤醒等待的线程
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}
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//System.out.println("轮询查询已恢复");
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return true;
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}
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/**
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* 检查轮询状态
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* @return true-正在运行, false-已停止
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*/
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public static boolean isPolling() {
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return isRunning;
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}
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/**
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* 检查是否暂停
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* @return true-已暂停, false-未暂停
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*/
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public static boolean isPaused() {
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return isPaused;
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}
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/**
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* 检查串口连接状态
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* @return true-串口已连接, false-串口未连接
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*/
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public static boolean isSerialConnected() {
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return serialConnected;
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}
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/**
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* 设置轮询间隔
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* @param interval 轮询间隔（毫秒）
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*/
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public static void setPollingInterval(int interval) {
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if (interval < 10) {
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System.err.println("轮询间隔不能小于10ms");
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return;
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}
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pollingInterval = interval;
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//System.out.println("轮询间隔已设置为: " + interval + "ms");
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// 如果正在运行，重新启动以应用新的间隔
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if (isRunning) {
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restartPolling();
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}
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}
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/**
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* 获取当前轮询间隔
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* @return 轮询间隔（毫秒）
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*/
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public static int getPollingInterval() {
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return pollingInterval;
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}
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/**
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* 重新启动轮询查询
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* @return true-重启成功, false-重启失败
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*/
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public static boolean restartPolling() {
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stopPolling();
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// 等待一小段时间确保线程完全停止
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try {
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Thread.sleep(200);
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} catch (InterruptedException e) {
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Thread.currentThread().interrupt();
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}
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return startPolling();
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}
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/**
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* 从配置中加载轮询间隔
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*/
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private static void loadPollingIntervalFromConfig() {
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try {
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Chushihua configSystem = Chushihua.getInstance();
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if (configSystem.isInitialized()) {
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MachineConfig machineConfig = configSystem.getMachineConfig();
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pollingInterval = machineConfig.getPollingInterval();
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//System.out.println("从配置加载轮询间隔: " + pollingInterval + "ms");
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} else {
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//System.out.println("配置系统未初始化，使用默认轮询间隔: " + pollingInterval + "ms");
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}
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} catch (Exception e) {
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System.err.println("加载轮询间隔配置失败: " + e.getMessage());
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//System.out.println("使用默认轮询间隔: " + pollingInterval + "ms");
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}
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}
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/**
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* 获取缓存的查询指令
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*/
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private static String getCachedQueryCommand(int slotNumber) {
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return queryCommandCache.computeIfAbsent(slotNumber, QueryData::queryData);
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}
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/**
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* 清空查询指令缓存（当查询逻辑变化时调用）
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*/
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public static void clearQueryCache() {
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queryCommandCache.clear();
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//System.out.println("查询指令缓存已清空");
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}
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/**
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* 轮询任务内部类 - 优化版本
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* 优化内存使用：避免在循环中创建新对象
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* 添加批量处理和性能监控
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*/
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private static class PollingTask implements Runnable {
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private int currentIndex = 0; // 当前索引，用于遍历slotArray
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private int consecutiveFailures = 0; // 连续失败次数
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private static final int MAX_CONSECUTIVE_FAILURES = 5; // 最大连续失败次数
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@Override
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public void run() {
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//System.out.println("轮询查询线程开始运行");
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while (isRunning && !Thread.currentThread().isInterrupted() && !shouldStop.get()) {
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try {
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// 检查是否暂停
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if (isPaused) {
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synchronized (lunxun.class) {
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while (isPaused && isRunning && !shouldStop.get()) {
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lunxun.class.wait(1000); // 等待1秒或直到被唤醒
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}
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}
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continue;
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}
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// 定期检查串口连接状态（每10次循环检查一次）
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if (currentIndex % 10 == 0 && !checkSerialConnectionWithRetry()) {
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System.err.println("串口连接断开，暂停轮询");
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pausePolling();
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continue;
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}
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// 获取卡槽数组
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Fkj[] slotArray = SlotManager.getSlotArray();
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if (slotArray == null || slotArray.length == 0) {
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System.err.println("卡槽数组未初始化");
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Thread.sleep(pollingInterval);
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continue;
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}
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// 遍历所有卡槽，只给 hasCard != 1 的卡槽发送查询指令
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boolean sentQuery = false;
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int checkedSlots = 0;
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int maxSlotsPerCycle = Math.min(10, slotArray.length); // 每周期最多检查10个卡槽
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for (int i = 0; i < maxSlotsPerCycle && checkedSlots < slotArray.length; i++) {
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Fkj slot = slotArray[currentIndex];
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if (slot != null) {
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String hasCard = slot.getHasCard();
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if (!"1".equals(hasCard)) {
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int slotNumber = currentIndex + 1;
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if (sendQueryToSlot(slotNumber)) {
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sentQuery = true;
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consecutiveFailures = 0;
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// 关键修复：在break前先更新索引
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currentIndex = (currentIndex + 1) % slotArray.length;
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checkedSlots++;
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Thread.sleep(pollingInterval);
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break;
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} else {
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consecutiveFailures++;
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if (consecutiveFailures >= MAX_CONSECUTIVE_FAILURES) {
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System.err.println("lunxun连续失败次数过多，暂停轮询");
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pausePolling();
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break;
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}
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}
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}
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}
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// 对于不需要发送查询的卡槽，正常更新索引
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currentIndex = (currentIndex + 1) % slotArray.length;
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checkedSlots++;
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}
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// 如果没有找到需要查询的卡槽，等待一段时间再继续
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if (!sentQuery) {
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Thread.sleep(pollingInterval * 2); // 没有查询时等待时间加倍
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}
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} catch (InterruptedException e) {
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//System.out.println("轮询查询线程被中断");
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Thread.currentThread().interrupt();
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break;
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} catch (Exception e) {
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System.err.println("轮询查询过程中发生异常: " + e.getMessage());
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consecutiveFailures++;
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// 发生异常时等待一段时间再继续
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try {
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Thread.sleep(1000);
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} catch (InterruptedException ie) {
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Thread.currentThread().interrupt();
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break;
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}
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}
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}
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//System.out.println("轮询查询线程结束运行");
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}
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/**
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* 向指定卡槽发送查询指令 - 优化版本
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* 使用缓存指令，优化调试输出
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*/
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private boolean sendQueryToSlot(int slotNumber) {
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try {
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// 使用缓存的查询指令
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String queryCommand = getCachedQueryCommand(slotNumber);
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if (queryCommand != null && !queryCommand.trim().isEmpty()) {
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// 发送到串口
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boolean sendResult = Sendmsg.sendMessage(queryCommand);
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if (sendResult) {
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// 只在调试时输出，避免频繁打印
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if (DEBUG_ENABLED) {
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SystemDebugDialog.appendAsciiData(String.format("Slot %d Send query (hasCard !=1)\n", slotNumber));
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}
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return true;
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} else {
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if (DEBUG_ENABLED) {
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SystemDebugDialog.appendAsciiData("Send query command to card slot err");
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}
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// 发送失败可能是串口断开，更新连接状态
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serialConnected = false;
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return false;
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}
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} else {
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System.err.println("生成的查询指令为空，卡槽: " + slotNumber);
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return false;
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}
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} catch (Exception e) {
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System.err.println("发送查询指令到卡槽 " + slotNumber + " 时发生异常: " + e.getMessage());
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// 发生异常时更新串口连接状态
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serialConnected = false;
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return false;
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}
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}
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}
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/**
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* 立即向指定卡槽发送查询指令（不等待轮询）
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* @param slotNumber 卡槽编号 (1-60)
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* @return true-发送成功, false-发送失败
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*/
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public static boolean sendImmediateQuery(int slotNumber) {
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if (slotNumber < MIN_SLOT || slotNumber > MAX_SLOT) {
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System.err.println("卡槽编号必须在" + MIN_SLOT + "-" + MAX_SLOT + "之间");
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return false;
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}
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// 检查串口连接
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if (!checkSerialConnectionWithRetry()) {
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System.err.println("串口未连接，无法发送查询指令");
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return false;
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}
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try {
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// 使用缓存的查询指令
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String queryCommand = getCachedQueryCommand(slotNumber);
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if (queryCommand != null && !queryCommand.trim().isEmpty()) {
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// 发送到串口
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boolean sendResult = Sendmsg.sendMessage(queryCommand);
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if (sendResult) {
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if (DEBUG_ENABLED) {
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//System.out.println("立即查询成功 - 卡槽 " + slotNumber);
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}
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return true;
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} else {
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System.err.println("立即查询失败 - 发送指令到卡槽 " + slotNumber + " 失败");
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return false;
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}
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} else {
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System.err.println("立即查询失败 - 生成的查询指令为空，卡槽: " + slotNumber);
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return false;
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}
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} catch (Exception e) {
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System.err.println("立即查询卡槽 " + slotNumber + " 时发生异常: " + e.getMessage());
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return false;
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}
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}
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/**
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* 立即向所有卡槽发送查询指令（批量）- 优化版本
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* @return 成功发送的指令数量
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*/
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public static int sendImmediateQueryToAll() {
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// 检查串口连接
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if (!checkSerialConnectionWithRetry()) {
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System.err.println("串口未连接，无法发送批量查询指令");
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return 0;
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}
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int successCount = 0;
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int batchSize = 5; // 每批次发送5个查询
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int totalSlots = MAX_SLOT - MIN_SLOT + 1;
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//System.out.println("开始批量查询所有卡槽...");
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for (int batchStart = MIN_SLOT; batchStart <= MAX_SLOT; batchStart += batchSize) {
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if (shouldStop.get()) {
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break;
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}
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int batchEnd = Math.min(batchStart + batchSize - 1, MAX_SLOT);
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// 批次内查询
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for (int slot = batchStart; slot <= batchEnd; slot++) {
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if (sendImmediateQuery(slot)) {
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successCount++;
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}
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}
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// 批次间间隔，避免串口拥堵
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if (batchEnd < MAX_SLOT) {
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try {
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Thread.sleep(50);
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} catch (InterruptedException e) {
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Thread.currentThread().interrupt();
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break;
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}
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}
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}
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//System.out.println("批量查询完成，成功发送: " + successCount + "/" + totalSlots);
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return successCount;
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}
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/**
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* 手动设置串口连接状态（用于外部检测到串口状态变化时调用）
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* @param connected 串口连接状态
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*/
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public static void setSerialConnected(boolean connected) {
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serialConnected = connected;
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lastSerialCheckTime = System.currentTimeMillis();
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if (connected) {
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// //System.out.println("串口连接状态已设置为: 已连接");
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} else {
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System.err.println("串口连接状态已设置为: 未连接");
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// 如果串口断开且轮询正在运行，自动暂停轮询
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if (isRunning && !isPaused) {
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pausePolling();
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}
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}
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}
|
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/**
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* 获取轮询状态信息
|
* @return 状态信息字符串
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*/
|
public static String getPollingStatus() {
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String status;
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if (!isRunning) {
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status = "已停止";
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} else if (isPaused) {
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status = "已暂停";
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} else {
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status = "运行中";
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}
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String serialStatus = serialConnected ? "已连接" : "未连接";
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int cacheSize = queryCommandCache.size();
|
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return String.format("轮询状态: %s, 串口: %s, 间隔: %dms, 指令缓存: %d, 卡槽范围: %d-%d",
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status, serialStatus, pollingInterval, cacheSize, MIN_SLOT, MAX_SLOT);
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}
|
|
/**
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* 直接设置轮询暂停状态（供其他类调用）
|
* @param paused true-暂停轮询, false-恢复轮询
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* @return true-设置成功, false-设置失败（如轮询未运行）
|
*/
|
public static boolean setPollingPaused(boolean paused) {
|
if (!isRunning) {
|
//System.out.println("轮询查询未在运行，无法设置暂停状态");
|
return false;
|
}
|
|
if (paused) {
|
// 请求暂停
|
if (!isPaused) {
|
isPaused = true;
|
//System.out.println("轮询查询已通过外部调用暂停");
|
return true;
|
} else {
|
//System.out.println("轮询查询已经处于暂停状态");
|
return false;
|
}
|
} else {
|
// 请求恢复
|
if (isPaused) {
|
// 恢复前检查串口连接
|
if (!checkSerialConnectionWithRetry()) {
|
System.err.println("串口未连接，无法恢复轮询查询");
|
return false;
|
}
|
|
isPaused = false;
|
synchronized (lunxun.class) {
|
lunxun.class.notifyAll(); // 唤醒等待的线程
|
}
|
//System.out.println("轮询查询已通过外部调用恢复");
|
return true;
|
} else {
|
//System.out.println("轮询查询未处于暂停状态");
|
return false;
|
}
|
}
|
}
|
|
/**
|
* 获取性能统计信息
|
*/
|
public static String getPerformanceStats() {
|
return String.format("查询指令缓存大小: %d, 轮询间隔: %dms",
|
queryCommandCache.size(), pollingInterval);
|
}
|
|
public static boolean isDEBUG_ENABLED() {
|
return DEBUG_ENABLED;
|
}
|
|
public static void setDEBUG_ENABLED(boolean dEBUG_ENABLED) {
|
DEBUG_ENABLED = dEBUG_ENABLED;
|
}
|
}
|
