public function __construct($uris = null)
{
parent::__construct($uris);
swoole_async_set(array("socket_buffer_size" => 2 * 1024 * 1024 * 1024 - 1, "socket_dontwait" => false));
}
function run($host = "0.0.0.0", $port = 9507)
{
swoole_async_set(['enable_signalfd' => false]);
$serv = new \swoole_server($host, $port, SWOOLE_BASE);
$this->serv = $serv;
$runtime_config = array('worker_num' => 1, 'open_length_check' => true, 'package_length_type' => 'N', 'package_length_offset' => 0, 'package_body_offset' => 4, 'package_max_length' => 2000000);
global $argv;
if (!empty($argv[1]) and $argv[1] == 'daemon') {
$runtime_config['daemonize'] = true;
}
$serv->set($runtime_config);
$this->init();
$serv->on('connect', array($this, 'onConnect'));
$serv->on('receive', array($this, 'onReceive'));
$serv->on('close', array($this, 'onClose'));
$serv->start();
}
protected function init()
{
# 设置参数
if (isset(self::$config['php']['error_reporting'])) {
error_reporting(self::$config['php']['error_reporting']);
}
if (isset(self::$config['php']['timezone'])) {
date_default_timezone_set(self::$config['php']['timezone']);
}
if (isset($config['server']['unixsock_buffer_size']) && $config['server']['unixsock_buffer_size'] > 1000) {
# 修改进程间通信的UnixSocket缓存区尺寸
ini_set('swoole.unixsock_buffer_size', $config['server']['unixsock_buffer_size']);
}
if (self::$config['clusters']['mode'] !== 'none') {
if (!function_exists('\\msgpack_pack')) {
self::warn('开启集群模式必须安装 msgpack 插件');
exit;
}
}
if (!self::$config['server']['socket_block']) {
# 设置不阻塞
swoole_async_set(['socket_dontwait' => 1]);
}
$this->info("======= Swoole Config ========\n" . json_encode(self::$config['swoole'], JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE));
if (self::$clustersType > 0) {
# 集群模式下初始化 Host 设置
Clusters\Host::init(self::$config['clusters']['register']['is_register']);
}
}
<?php
swoole_async_set(array('dns_lookup_random' => true));
swoole_async_dns_lookup("www.sina.com.cn", function ($host, $ip) {
echo "{$host} reslove to {$ip}\n";
swoole_async_dns_lookup("www.sina.com.cn", function ($host, $ip) {
echo "{$host} reslove to {$ip}\n";
});
});
