mirror of
https://github.com/yunionio/cloudpods.git
synced 2026-05-08 06:31:00 +08:00
81 lines
1.9 KiB
Go
81 lines
1.9 KiB
Go
// Copyright 2019 Yunion
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package netutils2
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import (
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"io/ioutil"
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"strconv"
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"strings"
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"yunion.io/x/log"
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"yunion.io/x/pkg/errors"
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"yunion.io/x/onecloud/pkg/util/fileutils2"
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)
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type SVlanConfig struct {
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Ifname string
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VlanId int
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Parent string
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}
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const (
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vlanConfigPath = "/proc/net/vlan/config"
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)
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func parseVlanConfig() (map[string]*SVlanConfig, error) {
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var content string
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if fileutils2.IsFile(vlanConfigPath) {
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cont, err := ioutil.ReadFile(vlanConfigPath)
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if err != nil {
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return nil, errors.Wrap(err, "ReadFile")
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}
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content = string(cont)
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}
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return parseVlanConfigContent(content)
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}
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func parseVlanConfigContent(content string) (map[string]*SVlanConfig, error) {
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vlanConfig := make(map[string]*SVlanConfig)
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lines := strings.Split(content, "\n")
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for _, l := range lines {
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parts := strings.Split(l, "|")
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if len(parts) >= 3 {
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ifname := strings.TrimSpace(parts[0])
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vlan, _ := strconv.Atoi(strings.TrimSpace(parts[1]))
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parent := strings.TrimSpace(parts[2])
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vlanConfig[ifname] = &SVlanConfig{
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Ifname: ifname,
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VlanId: int(vlan),
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Parent: parent,
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}
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}
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}
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return vlanConfig, nil
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}
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func getVlanConfig(ifname string) *SVlanConfig {
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vlanConfig, err := parseVlanConfig()
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if err != nil {
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log.Errorf("fail to parseVlanConfig %s", err)
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return nil
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}
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if conf, ok := vlanConfig[ifname]; ok {
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return conf
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} else {
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return nil
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}
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}
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