MyQEE\Server\RPC\Server::onReceive PHP Метод

    public function onReceive($server, $fd, $fromId, $data)
    {
        $data = trim($data);
        if ($data === '') {
            return;
        }
        /**
         * @var \Swoole\Server $server
         */
        $tmp = @msgpack_unpack($data);
        if (is_object($tmp) && $tmp instanceof \stdClass) {
            $rpc = static::$defaultRPC;
            if ($tmp->rpc) {
                if (preg_match('#^[\\\\0-9a-z]+$#i', $tmp->rpc)) {
                    $rpc = $tmp->rpc;
                }
            }
            /**
             * @var RPC $rpc
             */
            $key = $rpc::_getRpcKey();
            if ($key) {
                # 解密数据
                $tmp = self::decryption($tmp, $key, $rpc);
                if (false === $tmp) {
                    # 数据错误
                    $server->send($fd, '{"type":"close","code":0,"msg":"decryption fail."}' . static::$EOF);
                    $server->close($fd, $fromId);
                    \MyQEE\Server\Server::$instance->debug("register server decryption error, data: " . substr($data, 0, 256) . (strlen($data) > 256 ? '...' : ''));
                    return;
                }
            }
            $data = $tmp;
            unset($tmp);
            if ('bind' === $data->type) {
                if ($this->server->setting['dispatch_mode'] === 5 && is_int($data->id)) {
                    # 支持 worker 绑定
                    $this->server->bind($fd, $data->id);
                }
                return;
            }
            $data->rpc = $rpc;
            if (in_array($this->server->setting['dispatch_mode'], [1, 3]) && ($workerNum = $this->server->setting['worker_num']) > 1) {
                # 服务器是轮循或抢占模式, 每次请求的可能不是同一个 worker
                $workerId = $fd % $workerNum;
                if ($workerId !== $this->server->worker_id) {
                    # 发送给对应的进程去处理
                    $obj = new \stdClass();
                    $obj->type = 'call';
                    $obj->fd = $fd;
                    $obj->fromId = $fromId;
                    $obj->data = $data;
                    $this->sendMessage($data, $workerId);
                    return;
                }
            }
            # 执行RPC调用
            $this->call($fd, $fromId, $data);
        } else {
            \MyQEE\Server\Server::$instance->warn("rpc get error msgpack data: " . substr($data, 0, 256) . (strlen($data) > 256 ? '...' : ''));
            $this->server->close($fd, $fromId);
            return;
        }
    }