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@ -72,13 +72,15 @@ type Impl struct {
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// It can only be set before calling Start.
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ProcessSubnets bool
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ipstack *stack.Stack
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linkEP *channel.Endpoint
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tundev *tstun.Wrapper
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e wgengine.Engine
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mc *magicsock.Conn
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logf logger.Logf
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dialer *tsdial.Dialer
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ipstack *stack.Stack
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linkEP *channel.Endpoint
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tundev *tstun.Wrapper
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e wgengine.Engine
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mc *magicsock.Conn
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logf logger.Logf
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dialer *tsdial.Dialer
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ctx context.Context // alive until Close
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ctxCancel context.CancelFunc // called on Close
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// atomicIsLocalIPFunc holds a func that reports whether an IP
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// is a local (non-subnet) Tailscale IP address of this
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@ -152,10 +154,16 @@ func Create(logf logger.Logf, tundev *tstun.Wrapper, e wgengine.Engine, mc *magi
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dialer: dialer,
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connsOpenBySubnetIP: make(map[netaddr.IP]int),
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}
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ns.ctx, ns.ctxCancel = context.WithCancel(context.Background())
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ns.atomicIsLocalIPFunc.Store(tsaddr.NewContainsIPFunc(nil))
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return ns, nil
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}
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func (ns *Impl) Close() error {
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ns.ctxCancel()
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return nil
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}
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// wrapProtoHandler returns protocol handler h wrapped in a version
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// that dynamically reconfigures ns's subnet addresses as needed for
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// outbound traffic.
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@ -347,8 +355,12 @@ func (ns *Impl) DialContextUDP(ctx context.Context, ipp netaddr.IPPort) (*gonet.
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func (ns *Impl) injectOutbound() {
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for {
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packetInfo, ok := ns.linkEP.ReadContext(context.Background())
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packetInfo, ok := ns.linkEP.ReadContext(ns.ctx)
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if !ok {
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if ns.ctx.Err() != nil {
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// Return without logging.
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return
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}
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ns.logf("[v2] ReadContext-for-write = ok=false")
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continue
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}
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