Files
2025-07-10 22:33:59 +08:00

60 lines
1.4 KiB
Go

// Copyright 2019 Yunion
//
// 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 netutils2
import (
"fmt"
"net"
"yunion.io/x/pkg/errors"
)
type SPrefixInfo struct {
Prefix net.IP
PrefixLen uint8
}
func (p SPrefixInfo) String() string {
return fmt.Sprintf("%s/%d", p.Prefix.String(), p.PrefixLen)
}
type SRouteInfo struct {
SPrefixInfo
Gateway net.IP
}
func (r SRouteInfo) String() string {
return fmt.Sprintf("%s via %s", r.SPrefixInfo.String(), r.Gateway.String())
}
func ParseRouteInfo(route []string) (*SRouteInfo, error) {
if len(route) < 2 {
return nil, errors.Wrapf(errors.ErrInvalidStatus, "invalid route %#v", route)
}
_, prefixLen, err := net.ParseCIDR(route[0])
if err != nil {
return nil, errors.Wrapf(err, "net.ParseCIDR %s", route[0])
}
ones, _ := prefixLen.Mask.Size()
return &SRouteInfo{
SPrefixInfo: SPrefixInfo{
Prefix: prefixLen.IP,
PrefixLen: uint8(ones),
},
Gateway: net.ParseIP(route[1]),
}, nil
}