<?php

namespace fcgisrv;

require_once(BASE_ROOT_PATH . '/helper/http_header.php');
require_once(BASE_ROOT_PATH . '/helper/performance_helper.php');
require_once(BASE_ROOT_PATH . '/helper/request_helper.php');

use http_header;
use Log;
use request_helper;


abstract class BaseServer
{
    protected $mSubPath;
    public function __construct($subPath) {
        $this->mSubPath = $subPath;
    }

    protected $mExFiles;
    protected function setExFiles(array $files)
    {
        $this->mExFiles = $files;
    }

    protected function is_exclude($file)
    {
        $path = BASE_ROOT_PATH . "/" . $this->mSubPath . "/";
        $file = str_replace($path,'',$file);
        return in_array($file,$this->mExFiles);
    }

    private function clear_global()
    {
        $_SESSION = [];
        $_COOKIE = [];
        $_POST = [];
        $_GET = [];
    }

    public function handle_error($level, $message, $file, $line)
    {
        if($level == E_NOTICE) return;
        $trace = "handle_error: level={$level},msg={$message} file={$file},line={$line}\n";
        $backtrace = debug_backtrace();
        foreach ($backtrace as $item) {
            $trace .= "{$item['file']}\t{$item['line']}\t{$item['function']}\n";
        }

        Log::record($trace,Log::ERR);
    }

    protected function preLooper()
    {
        set_error_handler([$this, 'handle_error']);
    }

    abstract function handle_req($file);
    public function run_looper()
    {
        Log::record(__FUNCTION__,Log::DEBUG);
        $this->preLooper();
        Log::record('Waiting......',Log::DEBUG);
        $i = 0;
        fcgi_init();
        while(($ret = fcgi_accept()) >= 0)
        {
            $mem = memory_get_usage();
            Log::record("index = {$i} memory={$mem} ",Log::DEBUG);
            ++$i;

            $start = microtime(true);
            ob_start();
            $this->clear_global();
            perfor_clear();
            perfor_start();

            Log::start_sql_log();
            init_request();
            init_cookie($_SERVER['HTTP_COOKIE']);
            http_header::instance()->start();

            $file = request_helper::script_file();
            $this->handle_req($file);

            fcgi_headers_sent();
            $contents = ob_get_clean();
            fcgi_echo($contents);

            Log::end_sql_log();
            $perlog = perfor_log();

            $mem = memory_get_usage();
            Log::record("memory={$mem} perlog = {$perlog}" ,Log::DEBUG);
            $ret = fcgi_fini();

            $mem = memory_get_usage();
            $msg = sprintf("memory={$mem} isCgi = {$ret} request time=%.6f\r\n\r\n",microtime(true) - $start);
            Log::record($msg ,Log::DEBUG);
        }

        fcgi_fini();
        Log::record('Waiting quit......',Log::DEBUG);
    }
}