function runtime_init()
{
global $conf;
$runtime = cache_get('runtime');
// 实时运行的数据，初始化！
if ($runtime === NULL || !isset($runtime['users']) || !isset($runtime['onlines'])) {
$runtime = array();
$runtime['users'] = user_count();
$runtime['posts'] = post_count();
$runtime['threads'] = thread_count();
$runtime['posts'] -= $runtime['threads'];
// 减去首帖
$runtime['todayusers'] = 0;
$runtime['todayposts'] = 0;
$runtime['todaythreads'] = 0;
$runtime['onlines'] = max(1, online_count());
// runtime_append
$arr = kv_get('runtime_append');
is_array($arr) and $runtime += $arr;
cache_set('runtime', $runtime, TRUE);
}
return $runtime;
}
function runtask($url, $proxys)
{
$md5 = md5($url);
$result = false;
$retry = 1;
//进程开始，添加进程符号
thread_count($md5);
while ($result === false && $retry <= 10) {
$proxy = $proxys[array_rand($proxys)];
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_PROXY, $proxy);
curl_setopt($ch, CURLOPT_HEADER, 1);
curl_setopt($ch, CURLOPT_TIMEOUT, 5);
curl_setopt($ch, CURLOPT_NOBODY, 30);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$result = curl_exec($ch);
$code = 0;
if ($result != false) {
$code = getCode($result);
}
if ($result != false && $code >= 200 && $code < 503) {
//获取响应的头信息，统计业务已经足够了
$header = format_header($result);
$header["url"] = $url;
$header["time"] = time();
$header["date"] = date("Y-m-d\\TH:i:s\\Z", $header["time"]);
list($header["ip"]) = explode(":", $proxy);
//写入结果
$dir = DIR . "cache/result/" . date("Ymd") . "/" . substr($md5, 0, 2);
if (!is_dir($dir)) {
mkdir($dir, 0777, true);
}
$file = sprintf("%s/%s.json", $dir, $md5);
file_put_contents($file, json_encode($header) . "\n", FILE_APPEND | LOCK_EX);
} else {
$retry++;
$result = false;
}
}
//进程结束，删除进程符号
thread_count($md5, true);
return $result;
}
//加载任务列表
include DIR . 'task.php';
$task = getTask();
if (empty($task)) {
loger("No task found");
exit(1);
} else {
loger("Load task success, total " . count($task));
//清空进程锁目录
$dir = DIR . "cache/thread/*";
`rm -f {$dir}`;
//如何实现异步多线程
foreach ($task as $job => $tasks) {
foreach ($tasks as $url) {
//进程上限锁
while (thread_count() > 10) {
sleep(1);
}
$pid = pcntl_fork();
//父进程和子进程都会执行下面代码
if ($pid == -1) {
//错误处理：创建子进程失败时返回-1.
loger("Could not fork new thread !");
exit(1);
} else {
if ($pid) {
//父进程会得到子进程号，所以这里是父进程执行的逻辑
pcntl_wait($status, WNOHANG);
//等待子进程中断，防止子进程成为僵尸进程。
} else {
//子进程得到的$pid为0, 所以这里是子进程执行的逻辑。
$header['title'] = '后台管理';
$info = array();
$info['disable_functions'] = ini_get('disable_functions');
$info['allow_url_fopen'] = ini_get('allow_url_fopen') ? '是' : '否';
$info['safe_mode'] = ini_get('safe_mode') ? '是' : '否';
empty($info['disable_functions']) && ($info['disable_functions'] = '无');
$info['upload_max_filesize'] = ini_get('upload_max_filesize');
$info['post_max_size'] = ini_get('post_max_size');
$info['memory_limit'] = ini_get('memory_limit');
$info['max_execution_time'] = ini_get('max_execution_time');
$info['dbversion'] = $db->version();
$info['SERVER_SOFTWARE'] = array_value($_SERVER, 'SERVER_SOFTWARE', '');
$info['HTTP_X_FORWARDED_FOR'] = array_value($_SERVER, 'HTTP_X_FORWARDED_FOR', '');
$info['REMOTE_ADDR'] = array_value($_SERVER, 'REMOTE_ADDR', '');
$stat = array();
$stat['threads'] = thread_count();
$stat['posts'] = post_count();
$stat['users'] = user_count();
$stat['attachs'] = attach_count();
$stat['disk_free_space'] = function_exists('disk_free_space') ? humansize(disk_free_space('./')) : '未知';
$lastversion = get_last_version($stat);
// 潜在错误检测，目录可写检测，避免搬家导致的问题。
$check = array();
$upload_tmp_dir = ini_get('upload_tmp_dir');
if (!empty($upload_tmp_dir)) {
$check['upload_path_check'] = is_writable($upload_tmp_dir) ? "<span class\"red\">{$upload_tmp_dir} 不可写</span>，上传功能会受到影响。" : "<span class=\"green\">{$upload_tmp_dir} 可写</span>";
} else {
$check['upload_path_check'] = "<span class=\"red\">php.ini 中未设置 upload_tmp_dir，可能会导致上传失败 </span>";
}
$check['php_ini'] = ini_get('upload_tmp_dir');
include './admin/view/index.htm';