// Copyright 2019 Intel Corporation. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package main

import (
	"regexp"
)

const (
	dflDeviceRE = `^region[0-9]+$`
	dflPortRE   = `^dfl-port\.[0-9]+$`
)

// newDevicePluginDFL returns new instance of devicePlugin.
func newDevicePluginDFL(sysfsDir string, devfsDir string, mode string) (*devicePlugin, error) {
	getDevTree, annotationValue, err := getPluginParams(mode)
	if err != nil {
		return nil, err
	}

	return &devicePlugin{
		name: "DFL",

		sysfsDir: sysfsDir,
		devfsDir: devfsDir,

		deviceReg: regexp.MustCompile(dflDeviceRE),
		portReg:   regexp.MustCompile(dflPortRE),

		getDevTree: getDevTree,

		annotationValue: annotationValue,
	}, nil
}