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5bb42e3018
Adds the eventbus to the router subsystem. The event is currently only used on linux. Also includes facilities to inject events into the bus. Updates #15160 Signed-off-by: Claus Lensbøl <claus@tailscale.com>
33 lines
1.2 KiB
Go
33 lines
1.2 KiB
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package router
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import (
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"github.com/tailscale/wireguard-go/tun"
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"tailscale.com/health"
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"tailscale.com/net/netmon"
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"tailscale.com/types/logger"
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"tailscale.com/util/eventbus"
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)
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// For now this router only supports the userspace WireGuard implementations.
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//
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// Work is currently underway for an in-kernel FreeBSD implementation of wireguard
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// https://svnweb.freebsd.org/base?view=revision&revision=357986
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func newUserspaceRouter(logf logger.Logf, tundev tun.Device, netMon *netmon.Monitor, health *health.Tracker, bus *eventbus.Bus) (Router, error) {
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return newUserspaceBSDRouter(logf, tundev, netMon, health)
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}
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func cleanUp(logf logger.Logf, interfaceName string) {
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// If the interface was left behind, ifconfig down will not remove it.
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// In fact, this will leave a system in a tainted state where starting tailscaled
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// will result in "interface tailscale0 already exists"
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// until the defunct interface is ifconfig-destroyed.
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ifup := []string{"ifconfig", interfaceName, "destroy"}
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if out, err := cmd(ifup...).CombinedOutput(); err != nil {
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logf("ifconfig destroy: %v\n%s", err, out)
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}
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}
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