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wgengine/magicsock: delete unused WhoIs method that was moved elsewhere

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Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick 2021-03-11 11:44:01 -08:00
parent 0b66cfe1e0
commit c576fea60e
1 changed files with 0 additions and 19 deletions
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19
wgengine/magicsock/magicsock.go
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@ -3789,25 +3789,6 @@ func (de *discoEndpoint) numStopAndReset() int64 {
// derpStr replaces DERP IPs in s with "derp-".
func derpStr(s string) string { return strings.ReplaceAll(s, "127.3.3.40:", "derp-") }
// WhoIs reports the node and user who owns the node with the given IP.
// If ok == true, n and u are valid.
func (c *Conn) WhoIs(ip netaddr.IP) (n *tailcfg.Node, u tailcfg.UserProfile, ok bool) {
c.mu.Lock()
defer c.mu.Unlock()
if c.netMap == nil {
return n, u, false
}
for _, p := range c.netMap.Peers {
for _, ipp := range p.Addresses {
if ipp.IsSingleIP() && ipp.IP == ip {
u, ok := c.netMap.UserProfiles[p.User]
return p, u, ok
}
}
}
return nil, u, false
}
// ippEndpointCache is a mutex-free single-element cache, mapping from
// a single netaddr.IPPort to a single endpoint.
type ippEndpointCache struct {