<?PHP

namespace blobt\airpc;

use Swoole;
use blobt\airpc\Pack;

/**
 * 基于swoole的轻量及 RPC
 * 服务器
 * 
 */
class RpcServer extends BaseService {

    /**
     * @var string rpc项目入口文件
     */
    public $entryPoint = false;

    /**
     * 初始化
     */
    public function init() {
        if (empty($this->entryPoint)) {
            die("Please set the entry point." . PHP_EOL);
        }
        $this->setProtocol(Pack::$packageLengthType, Pack::$packageMaxLength, Pack::$packageLengthOffset, Pack::$packageBodyOffset);
    }

    /**
     * 发送数据
     * @param integral $fd 链接文件描述付
     * @param string $data
     * @return boolean
     */
    public function send(int $fd, string $data) {
        $pack = new Pack($data);
        $this->server->send($fd, (string) $pack);
    }

    /**
     * 
     * @param Swoole\Server $server
     * @param int $fd
     * @param int $reactorId
     * @param string $pack
     */
    public function onReceive(Swoole\Server $server, int $fd, int $reactorId, string $pack) {
        $pack = new Pack($pack);
        $data = $pack->data;
        $this->handle($fd, $data);
    }

    /**
     * 请求处理函数
     * @param int $fd
     * @param string $pack
     */
    public function handle(int $fd, string $data) {
        $_SERVER['data'] = $data;
        try {
            $ret = include $this->entryPoint;
            $this->send($fd, $ret);
        } catch (\Error $e) {
            //TODO 记录日志
            print_r($e);
            $this->send($fd, "YeeError");
        } catch (\Exception $e) {
            //TODO 记录日志
            print_r($e);
            $this->send($fd, "YeeException");
        }
    }

}