tailscale/wgengine/monitor/monitor_unsupported.go

// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// +build !linux,!freebsd,!windows,!darwin android

package monitor

import "tailscale.com/types/logger"

func newOSMon(logger.Logf) (osMon, error) { return nil, nil }
wgengine: move link monitor to be owned by the engine, not the router And make the monitor package portable with no-op implementations on unsupported operating systems. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com> 2020-02-17 09:00:38 -08:00			`// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved.`
			`// Use of this source code is governed by a BSD-style`
			`// license that can be found in the LICENSE file.`

wgengine/monitor: make the darwin link monitor work in the sandbox too Previously tailscaled on macOS was running "/sbin/route monitor" as a child process, but child processes aren't allowed in the Network Extension / App Store sandbox. Instead, just do what "/sbin/route monitor" itself does: unix.Socket(unix.AF_ROUTE, unix.SOCK_RAW, 0) and read that. We also parse it now, but don't do anything with the parsed results yet. We will over time, as we have with Linux netlink messages over time. Currently any message is considered a signal to poll and see what changed. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com> 2021-02-28 20:52:50 -08:00			`// +build !linux,!freebsd,!windows,!darwin android`
wgengine: move link monitor to be owned by the engine, not the router And make the monitor package portable with no-op implementations on unsupported operating systems. Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com> 2020-02-17 09:00:38 -08:00
			`package monitor`

wgengine/monitor: parse Linux netlink messages, ignore our own events Fixes tailscale/corp#412 ("flood of link change events at start-up") Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com> 2020-07-06 16:36:57 -07:00			`import "tailscale.com/types/logger"`

			`func newOSMon(logger.Logf) (osMon, error) { return nil, nil }`