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37 lines
820 B
Go
37 lines
820 B
Go
// Copyright (c) 2021 Tailscale Inc & AUTHORS All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package netstack
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import (
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"reflect"
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"tailscale.com/wgengine"
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"tailscale.com/wgengine/router"
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)
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func init() {
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wgengine.NetstackRouterType = reflect.TypeOf(&subnetRouter{})
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}
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type subnetRouter struct {
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router.Router
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}
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// NewSubnetRouterWrapper returns a Router wrapper that prevents the
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// underlying Router r from seeing any advertised subnet routes, as
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// netstack will handle them instead.
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func NewSubnetRouterWrapper(r router.Router) router.Router {
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return &subnetRouter{
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Router: r,
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}
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}
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func (r *subnetRouter) Set(c *router.Config) error {
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if c != nil {
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c.SubnetRoutes = nil // netstack will handle
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}
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return r.Router.Set(c)
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}
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