/**
*
* 添加一个任务
*
* @param int $time_long 多长时间运行一次 单位秒
* @param callback $func 任务运行的函数或方法
* @param mix $args 任务运行的函数或方法使用的参数
* @return void
*/
public static function add($time_long, $func, $args = array(), $persistent = true)
{
if ($time_long <= 0) {
return false;
}
if (!is_callable($func) && class_exists('ServerLog')) {
ServerLog::add(var_export($func, true) . "not callable\n");
return false;
}
$time_now = time();
$run_time = $time_now + $time_long;
if (!isset(self::$tasks[$run_time])) {
self::$tasks[$run_time] = array();
}
self::$tasks[$run_time][] = array($func, $args, $persistent, $time_long);
}
/**
* debug
* @param sring $str
*/
protected function notice($str)
{
ServerLog::add('[' . get_class($this) . '] ' . $str);
}
/**
* notice,记录到日志，同时打印到telnet客户端（如果有telnet链接的话）
* @param string $msg
* @param bool $display
*/
protected static function notice($msg, $display = false)
{
ServerLog::add("Server notice:" . $msg);
Telnet::sendToAllClient($msg . "\n");
if ($display) {
if (self::$serverStatus == self::STATUS_STARTING) {
echo $msg . "\n";
}
}
}
/**
* 处理收到的管理员命令
* @param event_buffer $event_buffer
* @param int $fd
* @return boolean
*/
public static function dealCmd($connection, $length, $buffer, $fd = null)
{
// 管理员断开
if ($length == 0) {
self::closeClient($fd);
return;
}
self::$currentFd = $fd;
$buffer = trim($buffer);
$ip = self::getRemoteIp();
if ($ip != '127.0.0.1' && $buffer == 'status') {
ServerLog::add("IP:{$ip} {$buffer}");
}
// 判断是否认证过
self::$adminAuth[$fd] = !isset(self::$adminAuth[$fd]) ? 0 : self::$adminAuth[$fd];
if (self::$adminAuth[$fd] < 3) {
if ($buffer != 'P@ssword') {
if (++self::$adminAuth[$fd] >= 3) {
self::sendToClient("Password Incorrect \n");
self::closeClient($fd);
}
self::sendToClient("Please Try Again\n");
return;
} else {
self::$adminAuth[$fd] = time();
self::sendToClient("Hello Admin \n");
return;
}
}
$pid_worker_name_map = PHPServer::getPidWorkerNameMap();
// 单独停止某个worker进程
if (preg_match("/kill (\\d+)/", $buffer, $match)) {
$pid = $match[1];
if (isset($pid_worker_name_map[$pid])) {
self::sendToClient("Kill Pid {$pid} ");
PHPServer::addToRestartWorkers(array($pid));
PHPServer::restartWorkers();
} else {
self::sendToClient("Pid Not Exsits\n");
}
return;
}
// 打印某个变量 print_r $current
if (preg_match("/debug (.*)/", $buffer, $match)) {
$var = trim($match[1]);
$var = str_replace('$', '', $var);
if (!$var) {
self::sendToClient("Uesage debug var_name\n");
return;
}
self::sendToClient(PHPServer::debugVar($var) . "\n");
return;
}
switch ($buffer) {
// 展示统计信息
case 'status':
$status = PHPServer::getServerStatusInfo();
$worker_pids = PHPServer::getWorkerPids();
$loadavg = sys_getloadavg();
self::sendToClient("---------------------------------------GLOBAL STATUS--------------------------------------------\n");
self::sendToClient('start time:' . date('Y-m-d H:i:s', $status['start_time']) . ' run ' . floor((time() - $status['start_time']) / (24 * 60 * 60)) . ' days ' . floor((time() - $status['start_time']) % (24 * 60 * 60) / (60 * 60)) . " hours \n");
self::sendToClient('load average: ' . implode(", ", $loadavg) . "\n");
self::sendToClient(count(self::$connections) . ' users ' . count($worker_pids) . ' workers ' . count($pid_worker_name_map) . " processes\n");
self::sendToClient(str_pad('worker_name', self::$maxWorkerNameLength) . " exit_status exit_count\n");
foreach ($worker_pids as $worker_name => $pid_array) {
if (isset($status['err_info'][$worker_name])) {
foreach ($status['err_info'][$worker_name] as $exit_status => $exit_count) {
self::sendToClient(str_pad($worker_name, self::$maxWorkerNameLength) . " " . str_pad($exit_status, 16) . " {$exit_count}\n");
}
} else {
self::sendToClient(str_pad($worker_name, self::$maxWorkerNameLength) . " " . str_pad(0, 16) . " 0\n");
}
}
PHPServer::sendCmdToAll(Cmd::CMD_REPORT_STATUS_FOR_MASTER);
self::sendToClient("---------------------------------------PROCESS STATUS-------------------------------------------\n");
self::sendToClient("pid\tmemory proto port timestamp " . str_pad('worker_name', self::$maxWorkerNameLength) . " " . str_pad('total_request', 13) . " " . str_pad('recv_timeout', 12) . " " . str_pad('proc_timeout', 12) . " " . str_pad('packet_err', 10) . " " . str_pad('thunder_herd', 12) . " " . str_pad('client_close', 12) . " " . str_pad('send_fail', 9) . " " . str_pad('throw_exception', 15) . " suc/total\n");
break;
// 停止server
// 停止server
case 'stop':
PHPServer::stop();
break;
// 平滑重启server
// 平滑重启server
case 'reload':
PHPServer::addToRestartWorkers(array_keys($pid_worker_name_map));
PHPServer::restartWorkers();
self::sendToClient("Restart Workers ");
break;
// admin管理员退出
// admin管理员退出
case 'quit':
self::sendToClient("Admin Quit\n");
self::$event->delAll(self::$connections[self::$currentFd]);
fclose(self::$connections[self::$currentFd]);
unset(self::$connections[self::$currentFd], self::$adminAuth[self::$currentFd]);
break;
case 'debug':
self::sendToClient("Uesage debug var_name\n");
break;
case '':
break;
default:
self::sendToClient("Unkonw CMD \nAvailable CMD:\n status show server status\n stop stop server\n reload graceful restart server\n quit quit and close connection\n kill pid kill the worker process of the pid\n");
}
}
public function onAlarm()
{
$ob_content = ob_get_contents();
if ($ob_content) {
ServerLog::add('StatisticService:ob_content:' . $ob_content);
ob_clean();
}
}
/**
* 检查文件更新时间，如果有更改则平滑重启服务（开发的时候用到）
* @return void
*/
public function checkFilesModify()
{
if ($this->isReloading) {
return;
}
foreach ($this->filesToInotify as $file => $mtime) {
clearstatcache();
$stat = @stat($file);
if (false === $stat) {
unset($this->filesToInotify[$file]);
continue;
}
$mtime_now = $stat['mtime'];
if ($mtime != $mtime_now) {
ServerLog::add("{$file} updated and reload workers");
$master_pid = file_get_contents(PID_FILE);
if ($master_pid) {
posix_kill($master_pid, SIGUSR2);
$this->isReloading = true;
}
}
}
}
