555 lines
20 KiB
PHP
555 lines
20 KiB
PHP
<?php
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namespace app\command;
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use think\console\Command;
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use think\console\Input;
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use think\console\Output;
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use think\facade\Config;
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use think\facade\Log;
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use think\facade\Cache;
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/**
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* 统一任务调度器
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* 支持多进程并发执行任务
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*
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* 使用方法:
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* php think scheduler:run
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*
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* 在 crontab 中配置:
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* * * * * * cd /path/to/project && php think scheduler:run >> /path/to/log/scheduler.log 2>&1
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*/
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class TaskSchedulerCommand extends Command
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{
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/**
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* 任务配置
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*/
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protected $tasks = [];
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/**
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* 最大并发进程数
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*/
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protected $maxConcurrent = 20;
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/**
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* 当前运行的进程数
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*/
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protected $runningProcesses = [];
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/**
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* 日志目录
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*/
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protected $logDir = '';
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protected function configure()
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{
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$this->setName('scheduler:run')
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->setDescription('统一任务调度器,支持多进程并发执行所有定时任务');
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}
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protected function execute(Input $input, Output $output)
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{
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$output->writeln('==========================================');
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$output->writeln('任务调度器启动');
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$output->writeln('时间: ' . date('Y-m-d H:i:s'));
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$output->writeln('==========================================');
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// 检查是否支持 pcntl 扩展
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if (!function_exists('pcntl_fork')) {
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$output->writeln('<error>错误:系统不支持 pcntl 扩展,无法使用多进程功能</error>');
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$output->writeln('<info>提示:将使用单进程顺序执行任务</info>');
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$this->maxConcurrent = 1;
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}
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// 加载任务配置
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// 方法1:尝试通过框架配置加载
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$this->tasks = Config::get('task_scheduler', []);
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// 方法2:如果框架配置没有,直接加载配置文件
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if (empty($this->tasks)) {
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// 获取项目根目录
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if (!defined('ROOT_PATH')) {
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define('ROOT_PATH', dirname(__DIR__, 2));
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}
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// 尝试多个可能的路径
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$possiblePaths = [
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ROOT_PATH . DIRECTORY_SEPARATOR . 'config' . DIRECTORY_SEPARATOR . 'task_scheduler.php',
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__DIR__ . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR . 'config' . DIRECTORY_SEPARATOR . 'task_scheduler.php',
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dirname(__DIR__, 2) . DIRECTORY_SEPARATOR . 'config' . DIRECTORY_SEPARATOR . 'task_scheduler.php',
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];
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foreach ($possiblePaths as $configFile) {
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if (is_file($configFile)) {
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$output->writeln("<info>找到配置文件:{$configFile}</info>");
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$config = include $configFile;
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if (is_array($config) && !empty($config)) {
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$this->tasks = $config;
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break;
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} else {
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$output->writeln("<error>配置文件返回的不是数组或为空:{$configFile}</error>");
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}
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}
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}
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}
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if (empty($this->tasks)) {
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$output->writeln('<error>错误:未找到任务配置(task_scheduler)</error>');
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$output->writeln('<error>请检查以下位置:</error>');
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$output->writeln('<error>1. config/task_scheduler.php 文件是否存在</error>');
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$output->writeln('<error>2. 文件是否返回有效的数组</error>');
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$output->writeln('<error>3. 文件权限是否正确</error>');
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if (defined('ROOT_PATH')) {
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$output->writeln('<error>项目根目录:' . ROOT_PATH . '</error>');
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$output->writeln('<error>期望配置文件:' . ROOT_PATH . DIRECTORY_SEPARATOR . 'config' . DIRECTORY_SEPARATOR . 'task_scheduler.php</error>');
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}
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return false;
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}
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// 设置日志目录(ThinkPHP5 中无 runtime_path 辅助函数,直接使用 ROOT_PATH/runtime/log)
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if (!defined('ROOT_PATH')) {
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// CLI 下正常情况下 ROOT_PATH 已在入口脚本 define,这里兜底一次
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define('ROOT_PATH', dirname(__DIR__, 2));
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}
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$this->logDir = ROOT_PATH . DIRECTORY_SEPARATOR . 'runtime' . DIRECTORY_SEPARATOR . 'log' . DIRECTORY_SEPARATOR;
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if (!is_dir($this->logDir)) {
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mkdir($this->logDir, 0755, true);
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}
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// 获取当前时间
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$currentTime = time();
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$currentMinute = date('i', $currentTime);
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$currentHour = date('H', $currentTime);
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$currentDay = date('d', $currentTime);
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$currentMonth = date('m', $currentTime);
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$currentWeekday = date('w', $currentTime); // 0=Sunday, 6=Saturday
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$output->writeln("当前时间: {$currentHour}:{$currentMinute}");
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$output->writeln("已加载 " . count($this->tasks) . " 个任务配置");
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// 筛选需要执行的任务
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$tasksToRun = [];
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$enabledCount = 0;
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$disabledCount = 0;
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foreach ($this->tasks as $taskId => $task) {
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if (!isset($task['enabled']) || !$task['enabled']) {
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$disabledCount++;
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continue;
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}
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$enabledCount++;
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if ($this->shouldRun($task['schedule'], $currentMinute, $currentHour, $currentDay, $currentMonth, $currentWeekday)) {
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$tasksToRun[$taskId] = $task;
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$output->writeln("<info>任务 {$taskId} 符合执行条件(schedule: {$task['schedule']})</info>");
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}
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}
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$output->writeln("已启用任务数: {$enabledCount},已禁用任务数: {$disabledCount}");
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if (empty($tasksToRun)) {
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$output->writeln('<info>当前时间没有需要执行的任务</info>');
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return true;
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}
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$output->writeln("找到 " . count($tasksToRun) . " 个需要执行的任务");
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// 执行任务
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if ($this->maxConcurrent > 1 && function_exists('pcntl_fork')) {
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$this->executeConcurrent($tasksToRun, $output);
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} else {
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$this->executeSequential($tasksToRun, $output);
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}
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// 清理僵尸进程
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$this->cleanupZombieProcesses();
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$output->writeln('==========================================');
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$output->writeln('任务调度器执行完成');
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$output->writeln('==========================================');
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return true;
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}
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/**
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* 判断任务是否应该执行
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*
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* @param string $schedule cron表达式,格式:分钟 小时 日 月 星期
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* @param int $minute 当前分钟
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* @param int $hour 当前小时
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* @param int $day 当前日期
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* @param int $month 当前月份
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* @param int $weekday 当前星期
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* @return bool
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*/
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protected function shouldRun($schedule, $minute, $hour, $day, $month, $weekday)
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{
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$parts = preg_split('/\s+/', trim($schedule));
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if (count($parts) < 5) {
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return false;
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}
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list($scheduleMinute, $scheduleHour, $scheduleDay, $scheduleMonth, $scheduleWeekday) = $parts;
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// 解析分钟
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if (!$this->matchCronField($scheduleMinute, $minute)) {
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return false;
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}
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// 解析小时
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if (!$this->matchCronField($scheduleHour, $hour)) {
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return false;
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}
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// 解析日期
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if (!$this->matchCronField($scheduleDay, $day)) {
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return false;
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}
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// 解析月份
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if (!$this->matchCronField($scheduleMonth, $month)) {
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return false;
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}
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// 解析星期(注意:cron中0和7都表示星期日)
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if ($scheduleWeekday !== '*') {
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$scheduleWeekday = str_replace('7', '0', $scheduleWeekday);
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if (!$this->matchCronField($scheduleWeekday, $weekday)) {
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return false;
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}
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}
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return true;
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}
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/**
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* 匹配cron字段
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*
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* @param string $field cron字段表达式
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* @param int $value 当前值
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* @return bool
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*/
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protected function matchCronField($field, $value)
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{
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// 通配符
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if ($field === '*') {
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return true;
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}
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// 列表(逗号分隔)
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if (strpos($field, ',') !== false) {
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$values = explode(',', $field);
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foreach ($values as $v) {
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if ($this->matchCronField(trim($v), $value)) {
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return true;
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}
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}
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return false;
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}
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// 范围(如 1-5)
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if (strpos($field, '-') !== false) {
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list($start, $end) = explode('-', $field);
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return $value >= (int)$start && $value <= (int)$end;
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}
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// 步长(如 */5 或 0-59/5)
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if (strpos($field, '/') !== false) {
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$parts = explode('/', $field);
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$base = $parts[0];
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$step = (int)$parts[1];
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if ($base === '*') {
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return $value % $step === 0;
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} else {
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// 处理范围步长,如 0-59/5
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if (strpos($base, '-') !== false) {
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list($start, $end) = explode('-', $base);
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if ($value >= (int)$start && $value <= (int)$end) {
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return ($value - (int)$start) % $step === 0;
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}
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return false;
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} else {
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return $value % $step === 0;
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}
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}
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}
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// 精确匹配
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return (int)$field === $value;
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}
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/**
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* 并发执行任务(多进程)
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*
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* @param array $tasks 任务列表
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* @param Output $output 输出对象
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*/
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protected function executeConcurrent($tasks, Output $output)
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{
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$output->writeln('<info>使用多进程并发执行任务(最大并发数:' . $this->maxConcurrent . ')</info>');
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foreach ($tasks as $taskId => $task) {
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// 等待可用进程槽
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while (count($this->runningProcesses) >= $this->maxConcurrent) {
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$this->waitForProcesses();
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usleep(100000); // 等待100ms
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}
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// 检查任务是否已经在运行(防止重复执行)
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$lockKey = "scheduler_task_lock:{$taskId}";
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$lockTime = Cache::get($lockKey);
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// 如果锁存在,检查进程是否真的在运行
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if ($lockTime) {
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$lockPid = Cache::get("scheduler_task_pid:{$taskId}");
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if ($lockPid) {
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// 检查进程是否真的在运行
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if (function_exists('posix_kill')) {
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// 使用 posix_kill(pid, 0) 检查进程是否存在(0信号不杀死进程,只检查)
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if (@posix_kill($lockPid, 0)) {
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$output->writeln("<comment>任务 {$taskId} 正在运行中(PID: {$lockPid}),跳过</comment>");
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continue;
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} else {
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// 进程不存在,清除锁
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Cache::rm($lockKey);
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Cache::rm("scheduler_task_pid:{$taskId}");
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}
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} else {
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// 如果没有 posix_kill,使用时间判断(2分钟内不重复执行)
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if ((time() - $lockTime) < 120) {
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$output->writeln("<comment>任务 {$taskId} 可能在运行中(2分钟内执行过),跳过</comment>");
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continue;
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}
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}
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} else {
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// 如果没有PID记录,使用时间判断(2分钟内不重复执行)
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if ((time() - $lockTime) < 120) {
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$output->writeln("<comment>任务 {$taskId} 可能在运行中(2分钟内执行过),跳过</comment>");
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continue;
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}
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}
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}
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// 创建子进程
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$pid = pcntl_fork();
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if ($pid == -1) {
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// 创建进程失败
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$output->writeln("<error>创建子进程失败:{$taskId}</error>");
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Log::error("任务调度器:创建子进程失败", ['task' => $taskId]);
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continue;
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} elseif ($pid == 0) {
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// 子进程:执行任务
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$this->runTask($taskId, $task);
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exit(0);
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} else {
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// 父进程:记录子进程PID
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$this->runningProcesses[$pid] = [
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'task_id' => $taskId,
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'start_time' => time(),
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];
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$output->writeln("<info>启动任务:{$taskId} (PID: {$pid})</info>");
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// 设置任务锁和PID
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Cache::set($lockKey, time(), 600); // 10分钟过期
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Cache::set("scheduler_task_pid:{$taskId}", $pid, 600); // 保存PID,10分钟过期
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}
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}
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// 等待所有子进程完成
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while (!empty($this->runningProcesses)) {
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$this->waitForProcesses();
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usleep(500000); // 等待500ms
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}
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}
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/**
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* 顺序执行任务(单进程)
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*
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* @param array $tasks 任务列表
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* @param Output $output 输出对象
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*/
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protected function executeSequential($tasks, Output $output)
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{
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$output->writeln('<info>使用单进程顺序执行任务</info>');
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foreach ($tasks as $taskId => $task) {
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$output->writeln("<info>执行任务:{$taskId}</info>");
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$this->runTask($taskId, $task);
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}
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}
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/**
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* 执行单个任务
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*
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* @param string $taskId 任务ID
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* @param array $task 任务配置
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*/
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protected function runTask($taskId, $task)
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{
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$startTime = microtime(true);
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$logFile = $this->logDir . ($task['log_file'] ?? "scheduler_{$taskId}.log");
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// 确保日志目录存在
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$logDir = dirname($logFile);
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if (!is_dir($logDir)) {
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mkdir($logDir, 0755, true);
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}
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// 构建命令
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// 使用指定的网站目录作为执行目录
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$executionPath = '/www/wwwroot/mckb_quwanzhi_com/Server';
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// 获取 PHP 可执行文件路径
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$phpPath = PHP_BINARY ?: 'php';
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// 获取 think 脚本路径(使用执行目录)
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$thinkPath = $executionPath . DIRECTORY_SEPARATOR . 'think';
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// 检查 think 文件是否存在
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if (!is_file($thinkPath)) {
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$errorMsg = "错误:think 文件不存在:{$thinkPath}";
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Log::error($errorMsg);
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file_put_contents($logFile, $errorMsg . "\n", FILE_APPEND);
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return;
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}
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// 构建命令(使用绝对路径,确保在 Linux 上能正确执行)
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$command = escapeshellarg($phpPath) . ' ' . escapeshellarg($thinkPath) . ' ' . escapeshellarg($task['command']);
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if (!empty($task['options'])) {
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foreach ($task['options'] as $option) {
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$command .= ' ' . escapeshellarg($option);
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}
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}
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// 添加日志重定向(在后台执行)
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$command .= " >> " . escapeshellarg($logFile) . " 2>&1";
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// 记录任务开始
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$logMessage = "\n" . str_repeat('=', 60) . "\n";
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$logMessage .= "任务开始执行: {$taskId}\n";
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$logMessage .= "执行时间: " . date('Y-m-d H:i:s') . "\n";
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$logMessage .= "执行目录: {$executionPath}\n";
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$logMessage .= "命令: {$command}\n";
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$logMessage .= str_repeat('=', 60) . "\n";
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file_put_contents($logFile, $logMessage, FILE_APPEND);
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// 执行命令(使用指定的执行目录,Linux 环境)
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$descriptorspec = [
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0 => ['file', '/dev/null', 'r'], // stdin
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1 => ['file', $logFile, 'a'], // stdout
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2 => ['file', $logFile, 'a'], // stderr
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];
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$process = @proc_open($command, $descriptorspec, $pipes, $executionPath);
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if (is_resource($process)) {
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// 关闭管道
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if (isset($pipes[0])) @fclose($pipes[0]);
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if (isset($pipes[1])) @fclose($pipes[1]);
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if (isset($pipes[2])) @fclose($pipes[2]);
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// 设置超时
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$timeout = $task['timeout'] ?? 3600;
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$startWaitTime = time();
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// 等待进程完成或超时
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while (true) {
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$status = proc_get_status($process);
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if (!$status['running']) {
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break;
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}
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// 检查超时
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if ((time() - $startWaitTime) > $timeout) {
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if (function_exists('proc_terminate')) {
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proc_terminate($process, SIGTERM);
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// 等待进程终止
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sleep(2);
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$status = proc_get_status($process);
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if ($status['running']) {
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// 强制终止
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proc_terminate($process, SIGKILL);
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}
|
||
}
|
||
Log::warning("任务执行超时", [
|
||
'task' => $taskId,
|
||
'timeout' => $timeout,
|
||
]);
|
||
break;
|
||
}
|
||
|
||
usleep(500000); // 等待500ms
|
||
}
|
||
|
||
// 关闭进程
|
||
proc_close($process);
|
||
} else {
|
||
// 如果 proc_open 失败,使用 exec 在后台执行(Linux 环境)
|
||
exec("cd " . escapeshellarg($executionPath) . " && " . $command . ' > /dev/null 2>&1 &');
|
||
}
|
||
|
||
$endTime = microtime(true);
|
||
$duration = round($endTime - $startTime, 2);
|
||
|
||
// 记录任务完成
|
||
$logMessage = "\n" . str_repeat('=', 60) . "\n";
|
||
$logMessage .= "任务执行完成: {$taskId}\n";
|
||
$logMessage .= "完成时间: " . date('Y-m-d H:i:s') . "\n";
|
||
$logMessage .= "执行时长: {$duration} 秒\n";
|
||
$logMessage .= str_repeat('=', 60) . "\n";
|
||
file_put_contents($logFile, $logMessage, FILE_APPEND);
|
||
|
||
Log::info("任务执行完成", [
|
||
'task' => $taskId,
|
||
'duration' => $duration,
|
||
]);
|
||
}
|
||
|
||
/**
|
||
* 等待进程完成
|
||
*/
|
||
protected function waitForProcesses()
|
||
{
|
||
foreach ($this->runningProcesses as $pid => $info) {
|
||
$status = 0;
|
||
$result = pcntl_waitpid($pid, $status, WNOHANG);
|
||
|
||
if ($result == $pid || $result == -1) {
|
||
// 进程已结束
|
||
$taskId = $info['task_id'];
|
||
unset($this->runningProcesses[$pid]);
|
||
|
||
// 清除任务锁和PID
|
||
Cache::rm("scheduler_task_lock:{$taskId}");
|
||
Cache::rm("scheduler_task_pid:{$taskId}");
|
||
|
||
$duration = time() - $info['start_time'];
|
||
Log::info("子进程执行完成", [
|
||
'pid' => $pid,
|
||
'task' => $taskId,
|
||
'duration' => $duration,
|
||
]);
|
||
}
|
||
}
|
||
}
|
||
|
||
/**
|
||
* 清理僵尸进程
|
||
*/
|
||
protected function cleanupZombieProcesses()
|
||
{
|
||
if (!function_exists('pcntl_waitpid')) {
|
||
return;
|
||
}
|
||
|
||
$status = 0;
|
||
while (($pid = pcntl_waitpid(-1, $status, WNOHANG)) > 0) {
|
||
// 清理僵尸进程
|
||
}
|
||
}
|
||
}
|
||
|