talos

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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package nethelpers
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import (
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	"strings"
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)
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// LinkFlags is a bitmask of LinkFlags.
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type LinkFlags uint32
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func (flags LinkFlags) String() string {
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	var values []string
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	for flag := LinkUp; flag <= LinkEcho; flag <<= 1 {
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		if (LinkFlag(flags) & flag) == flag {
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			values = append(values, flag.String())
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		}
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	}
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	return strings.Join(values, ",")
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}
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// LinkFlagsString parses string representation of LinkFlags.
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func LinkFlagsString(s string) (LinkFlags, error) {
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	flags := LinkFlags(0)
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	for _, p := range strings.Split(s, ",") {
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		flag, err := LinkFlagString(p)
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		if err != nil {
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			return flags, err
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		}
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		flags |= LinkFlags(flag)
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	}
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	return flags, nil
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}
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// MarshalText implements text.Marshaler.
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func (flags LinkFlags) MarshalText() ([]byte, error) {
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	return []byte(flags.String()), nil
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}
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// UnmarshalText implements text.Unmarshaler.
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func (flags *LinkFlags) UnmarshalText(b []byte) error {
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	var err error
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	*flags, err = LinkFlagsString(string(b))
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	return err
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}
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// LinkFlag wraps IFF_* constants.
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type LinkFlag uint32
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// LinkFlag constants.
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const (
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	LinkUp           LinkFlag = 1 << iota // UP
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	LinkBroadcast                         // BROADCAST
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	LinkDebug                             // DEBUG
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	LinkLoopback                          // LOOPBACK
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	LinkPointToPoint                      // POINTTOPOINT
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	LinkNoTrailers                        // NOTRAILERS
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	LinkRunning                           // RUNNING
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	LinkNoArp                             // NOARP
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	LinkPromisc                           // PROMISC
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	LinkAllMulti                          // ALLMULTI
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	LinkMaster                            // MASTER
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	LinkSlave                             // SLAVE
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	LinkMulticase                         // MULTICAST
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	LinkPortsel                           // PORTSEL
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	LinKAutoMedia                         // AUTOMEDIA
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	LinkDynamic                           // DYNAMIC
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	LinkLowerUp                           // LOWER_UP
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	LinkDormant                           // DORMANT
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	LinkEcho                              // ECHO
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)
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