talos/pkg/machinery/nethelpers/routeflags.go
Dmitriy Matrenichev 8e9fc13d7c
feat: implement enum generator for proto files
`structprotogen` now supports generating enums directly instead of using predeclared file and hardcoded types. To use this functionality, simply put `structprotogen:gen_enum` in the comment above const block, you want to have the proto definitions for.

Closes #6215

Signed-off-by: Dmitriy Matrenichev <dmitry.matrenichev@siderolabs.com>
2023-01-11 16:02:21 +03:00

86 lines
2.2 KiB
Go

// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
package nethelpers
//go:generate enumer -type=RouteFlag -linecomment -text
import (
"strings"
)
// RouteFlags is a bitmask of RouteFlag.
type RouteFlags uint32
func (flags RouteFlags) String() string {
var values []string
for flag := RouteNotify; flag <= RouteTrap; flag <<= 1 {
if (RouteFlag(flags) & flag) == flag {
values = append(values, flag.String())
}
}
return strings.Join(values, ",")
}
// RouteFlagsString parses string representation into RouteFlags.
func RouteFlagsString(s string) (RouteFlags, error) {
flags := RouteFlags(0)
if s == "" {
return flags, nil
}
for _, p := range strings.Split(s, ",") {
flag, err := RouteFlagString(p)
if err != nil {
return flags, err
}
flags |= RouteFlags(flag)
}
return flags, nil
}
// Equal tests for RouteFlags equality ignoring flags not managed by this implementation.
func (flags RouteFlags) Equal(other RouteFlags) bool {
return (flags & RouteFlags(RouteFlagsMask)) == (other & RouteFlags(RouteFlagsMask))
}
// MarshalText implements text.Marshaler.
func (flags RouteFlags) MarshalText() ([]byte, error) {
return []byte(flags.String()), nil
}
// UnmarshalText implements text.Unmarshaler.
func (flags *RouteFlags) UnmarshalText(b []byte) error {
var err error
*flags, err = RouteFlagsString(string(b))
return err
}
// RouteFlag wraps RTM_F_* constants.
type RouteFlag uint32
// RouteFlag constants.
//
//structprotogen:gen_enum
const (
RouteNotify RouteFlag = 256 << iota // notify
RouteCloned // cloned
RouteEqualize // equalize
RoutePrefix // prefix
RouteLookupTable // lookup_table
RouteFIBMatch // fib_match
RouteOffload // offload
RouteTrap // trap
)
// RouteFlagsMask is a supported set of flags to manage.
const RouteFlagsMask = RouteNotify | RouteCloned | RouteEqualize | RoutePrefix