function cron_run($force = 0)
{
global $conf, $time, $forumlist, $runtime;
$cron_1_last_date = runtime_get('cron_1_last_date');
$cron_2_last_date = runtime_get('cron_2_last_date');
$t = $time - $cron_1_last_date;
if ($t > 300 || $force) {
$lock = cache_get('cron_lock_1');
if ($lock === NULL) {
cache_set('cron_lock_1', 1, 10);
// 设置 10 秒超时
// 清理在线
online_gc();
runtime_set('cron_1_last_date', $time);
cache_delete('cron_lock_1');
}
}
$t = $time - $cron_2_last_date;
if ($t > 86400 || $force) {
$lock = cache_get('cron_lock_2');
// 高并发下, mysql 机制实现的锁锁不住，但是没关系
if ($lock === NULL) {
cache_set('cron_lock_2', 1, 10);
// 设置 10 秒超时
// 每日统计清 0
runtime_set('todayposts', 0);
runtime_set('todaythreads', 0);
runtime_set('todayusers', 0);
foreach ($forumlist as $fid => $forum) {
forum__update($fid, array('todayposts' => 0, 'todaythreads' => 0));
}
forum_list_cache_delete();
// 清理最新发帖，只保留 100 条。
thread_new_gc();
thread_lastpid_gc();
// 清理在线
online_gc();
// 清理临时附件
attach_gc();
// 清空每日 IP 限制
ipaccess_truncate();
// 清理游客喜欢限制
guest_agree_truncate();
list($y, $n, $d) = explode(' ', date('Y n j', $time));
// 0 点
$today = mktime(0, 0, 0, $n, $d, $y);
// -8 hours
runtime_set('cron_2_last_date', $today, TRUE);
// 加到1天后
// 每日生成最新的 sitemap
thread_new_sitemap();
// 往前推8个小时，尽量保证在前一天
table_day_cron($time - 8 * 3600);
cache_delete('cron_lock_2');
}
}
}
<?php
!defined('DEBUG') and exit('Access Denied.');
$action = param(1);
if ($action == 'clear') {
if ($method == 'GET') {
$header['title'] = '清理缓存';
include "./admin/view/cache_clear.htm";
} elseif ($method == 'POST') {
$old = $runtime;
$clearcache = param('clearcache', 0);
$clearcache and $r = cache_truncate();
// 清空缓存会导致今日发帖丢失
runtime_init();
runtime_set('todayposts', $old['todayposts']);
runtime_set('todayusers', $old['todayusers']);
runtime_set('todaythreads', $old['todaythreads']);
$rebuildmaxid = param('rebuildmaxid', 0);
if ($rebuildmaxid) {
@ignore_user_abort(TRUE);
@set_time_limit(0);
table_day_rebuild();
}
thread_new_sitemap();
message(0, '清理成功');
}
} elseif ($action == 'maxid') {
}
