function EpollSocketServer($port)
 {
     global $errno, $errstr;
     if (!extension_loaded('libevent')) {
         die("Please install libevent extension firstly/n");
     }
     if ($port < 1024) {
         die("Port must be a number which bigger than 1024/n");
     }
     $socket_server = stream_socket_server("tcp://0.0.0.0:{$port}", $errno, $errstr);
     if (!$socket_server) {
         die("{$errstr} ({$errno})");
     }
     stream_set_blocking($socket_server, 0);
     // 非阻塞
     $base = event_base_new();
     $event = event_new();
     event_set($event, $socket_server, EV_READ | EV_PERSIST, array(__CLASS__, 'ev_accept'), $base);
     event_base_set($event, $base);
     event_add($event);
     event_base_loop($base);
     self::$connections = array();
     self::$buffers = array();
     self::$imei = array();
 }
 public function __construct($port)
 {
     global $errno, $errstr;
     if (!extension_loaded('libevent')) {
         die("Please install libevent extension firstly\n");
     }
     if ($port < 1024) {
         die("Port must be a number which bigger than 1024\n");
     }
     $socket_server = stream_socket_server("tcp://0.0.0.0:{$port}", $errno, $errstr);
     if (!$socket_server) {
         die("{$errstr} ({$errno})");
     }
     stream_set_blocking($socket_server, 0);
     // 非阻塞
     // event_base_new — Create and initialize new event base
     $base = event_base_new();
     // event_new — Create new event
     $event = event_new();
     // event_set — Prepare an event
     event_set($event, $socket_server, EV_READ | EV_PERSIST, [__CLASS__, 'ev_accept'], $base);
     // event_base_set — Associate event base with an event
     event_base_set($event, $base);
     // event_add — Add an event to the set of monitored events
     event_add($event);
     // event_base_loop — Handle events
     event_base_loop($base);
     self::$connections = [];
     self::$buffers = [];
 }
 function EpollSocketServer($port)
 {
     if (!extension_loaded('libevent')) {
         self::$errstr = "请先安装libevent扩展库。";
         return;
     }
     if ($port < 1024) {
         self::$errstr = "端口号不应小于1024";
         return;
     }
     set_time_limit(0);
     $socket_server = stream_socket_server("tcp://0.0.0.0:{$port}", self::$errno, self::$errstr);
     stream_set_blocking($socket_server, 0);
     // 非阻塞
     $base = event_base_new();
     $event = event_new();
     event_set($event, $socket_server, EV_READ | EV_PERSIST, array(__CLASS__, 'ev_accept'), $base);
     event_base_set($event, $base);
     event_add($event);
     event_base_loop($base);
     self::$connections = array();
     self::$buffers = array();
 }