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ipn/ipnlocal: use the fake peerapi listener as fallback if netstack available

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The previous commit (1b89662eff) this for Android, but we can also use
this on any platform if we we would otherwise fail.

Change-Id: I4cd78b40e9e77fca5cc8e717dd48ac173101bed4
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick 2022-04-20 13:22:42 -07:00 committed by Brad Fitzpatrick
parent 136f30fc92
commit a2c330c496
1 changed files with 9 additions and 2 deletions
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11
ipn/ipnlocal/peerapi.go
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@ -436,8 +436,15 @@ func (s *peerAPIServer) listen(ip netaddr.IP, ifState *interfaces.State) (ln net
return ln, nil
}
}
// Fall back to random ephemeral port.
return lc.Listen(context.Background(), tcp4or6, net.JoinHostPort(ipStr, "0"))
// Fall back to some random ephemeral port.
ln, err = lc.Listen(context.Background(), tcp4or6, net.JoinHostPort(ipStr, "0"))
// And if we're on a platform with netstack (anything but iOS), then just fallback to netstack.
if err != nil && runtime.GOOS != "ios" {
s.b.logf("peerapi: failed to do peerAPI listen, harmless (netstack available) but error was: %v", err)
return newFakePeerAPIListener(ip), nil
}
return ln, err
}
type peerAPIListener struct {