<?php
declare(strict_types=0);

define('APP_ID','search');
define('BASE_ROOT_PATH',str_replace('\\','/',dirname(__FILE__)));
define('BASE_PATH', BASE_ROOT_PATH . '/helper');

require_once(BASE_ROOT_PATH . '/global.php');
require_once(BASE_ROOT_PATH . '/fooder.php');

require_once(BASE_HELPER_PATH . '/event_looper.php');
require_once(BASE_HELPER_PATH . '/search/processor.php');
require_once(BASE_HELPER_PATH . '/search/util.php');
require_once(BASE_HELPER_PATH . '/category_helper.php');
require_once(BASE_HELPER_PATH . '/brand_helper.php');
require_once(BASE_HELPER_PATH . '/goods/commonid_helper.php');
require_once(BASE_HELPER_PATH . '/search/searcher.php');
require_once(BASE_HELPER_PATH . '/special_helper.php');
require_once(BASE_HELPER_PATH . '/search/area_library.php');
require_once(BASE_HELPER_PATH . '/brand_helper.php');
require_once(BASE_HELPER_PATH . '/algorithm.php');

require_once(BASE_HELPER_PATH . '/message/msgstates.php');
require_once(BASE_HELPER_PATH . '/message/msgutil.php');
require_once(BASE_HELPER_PATH . '/message/subscriber.php');


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);
}

set_error_handler('handle_error');

function all_channels() {
    return ['searcher'];
}

$gMessageStates = null;
function searchwork($sockfd)
{
    $pid = posix_getpid();
    Log::record("seracher worker child process {$pid} is starting....",Log::DEBUG);

    try
    {
        global $gMessageStates;
        $gMessageStates = new MsgStates();

        Base::run_util();

        StatesHelper::init();
        $listener = new message\subscriber($gMessageStates);
        $listener->start();

        search\area_library::instance();

        if(StatesHelper::fetch_state('init')) {
            Log::record("StatesHelper::fetch_state first.",Log::DEBUG);
            search\searcher::instance()->init();
        }

        process_looper::instance()->init(new search\processor());
        process_looper::instance()->add_listen($sockfd);
        process_looper::instance()->run_loop();
    }
    catch (Exception $ex)
    {
        Log::record("Exception {$ex->getMessage()}",Log::ERR);
    }

    Log::record("child {$pid} searchwork quit",Log::DEBUG);
    exit(0);
}

global $config;
$host = '0.0.0.0';
$port = $config['searcher']['port'];

$listen_fd = event\util::listen($host,$port);
if($listen_fd === false) {
    Log::record("cannot open listen socket = {$host}:{$port}",Log::DEBUG);
    return false;
}

$count = 1;
event\util::fork_listenex($listen_fd,'searchwork',$count);
socket_close($listen_fd);

Log::record("searchwork all child process quit.");