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wgengine/monitor: use RTMGRP_* consts from x/sys/unix

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Bump golang.org/x/sys/unix to get the RTMGRP_* consts and use them.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
This commit is contained in:
Tobias Klauser
2020-02-17 22:12:35 +01:00
committed by Dave Anderson
parent 769e25e37b
commit 4d09316f9a
3 changed files with 4 additions and 11 deletions
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11
wgengine/monitor/monitor_linux.go
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@@ -12,11 +12,6 @@ import (
"golang.org/x/sys/unix"
)
const (
_RTMGRP_IPV4_IFADDR = 0x10
_RTMGRP_IPV4_ROUTE = 0x40
)
// nlConn wraps a *netlink.Conn and returns a monitor.Message
// instead of a netlink.Message. Currently, messages are discarded,
// but down the line, when messages trigger different logic depending
@@ -33,11 +28,7 @@ func newOSMon() (osMon, error) {
// things like DHCP deciding to give us a new address upon
// renewal - routing wouldn't change, but all reachability
// would.
//
// Why magic numbers? These aren't exposed in x/sys/unix
// yet. The values come from rtnetlink.h, RTMGRP_IPV4_IFADDR
// and RTMGRP_IPV4_ROUTE.
Groups: _RTMGRP_IPV4_IFADDR | _RTMGRP_IPV4_ROUTE,
Groups: unix.RTMGRP_IPV4_IFADDR | unix.RTMGRP_IPV4_ROUTE,
})
if err != nil {
return nil, fmt.Errorf("dialing netlink socket: %v", err)