mirror of
https://github.com/yunionio/cloudpods.git
synced 2026-07-01 10:14:22 +08:00
87 lines
2.3 KiB
Go
87 lines
2.3 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 sysutils
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import (
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"io/ioutil"
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"net"
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"os"
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"path"
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"path/filepath"
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"strconv"
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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/cloudcommon/types"
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"yunion.io/x/onecloud/pkg/httperrors"
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"yunion.io/x/onecloud/pkg/util/fileutils2"
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)
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const (
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sysNetPath = "/sys/class/net"
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)
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func Nics() ([]*types.SNicDevInfo, error) {
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if _, err := os.Stat(sysNetPath); !os.IsNotExist(err) {
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nicDevs, err := ioutil.ReadDir(sysNetPath)
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if err != nil {
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log.Errorf("ReadDir %s error: %s", sysNetPath, err)
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return nil, errors.Wrapf(err, "ioutil.ReadDir(%s)", sysNetPath)
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}
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nics := make([]*types.SNicDevInfo, 0)
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for _, nic := range nicDevs {
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netPath := filepath.Join(sysNetPath, nic.Name())
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// make sure this is a real NIC device
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if fi, err := os.Stat(filepath.Join(netPath, "device")); err != nil || fi == nil {
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continue
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} /*else if (fi.Mode() & os.ModeSymlink) == 0 {
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continue
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}*/
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if fileutils2.Exists(path.Join(netPath, "device", "infiniband")) {
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// skip infiniband nic
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continue
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}
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speedStr := GetSysConfigQuiet(filepath.Join(netPath, "speed"))
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speed := 0
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if len(speedStr) > 0 {
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speed, _ = strconv.Atoi(speedStr)
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}
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carrier := GetSysConfigQuiet(filepath.Join(netPath, "carrier"))
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up := false
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if carrier == "1" {
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up = true
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}
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mac, _ := net.ParseMAC(GetSysConfigQuiet(filepath.Join(netPath, "address")))
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mtuStr := GetSysConfigQuiet(filepath.Join(netPath, "mtu"))
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mtu := 0
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if len(mtuStr) > 0 {
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mtu, _ = strconv.Atoi(mtuStr)
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}
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nicInfo := &types.SNicDevInfo{
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Dev: nic.Name(),
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Mac: mac,
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Speed: speed,
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Up: &up,
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Mtu: mtu,
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}
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nics = append(nics, nicInfo)
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}
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return nics, nil
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}
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return nil, errors.Wrapf(httperrors.ErrNotSupported, "no such dir %s", sysNetPath)
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}
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