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tailcfg, control/controlclient: add tailcfg.PeersChangedPatch [capver 33]

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This adds a lighter mechanism for endpoint updates from control.

Change-Id: If169c26becb76d683e9877dc48cfb35f90cc5f24
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2022-07-20 13:31:20 -07:00
committed by Brad Fitzpatrick
parent b763a12331
commit d8cb5aae17
4 changed files with 104 additions and 10 deletions
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9
wgengine/magicsock/magicsock.go
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@@ -442,14 +442,7 @@ func (c *Conn) addDerpPeerRoute(peer key.NodePublic, derpID int, dc *derphttp.Cl
mak.Set(&c.derpRoute, peer, derpRoute{derpID, dc})
}
// DerpMagicIP is a fake WireGuard endpoint IP address that means
// to use DERP. When used, the port number of the WireGuard endpoint
// is the DERP server number to use.
//
// Mnemonic: 3.3.40 are numbers above the keys D, E, R, P.
const DerpMagicIP = "127.3.3.40"
var derpMagicIPAddr = netaddr.MustParseIP(DerpMagicIP)
var derpMagicIPAddr = netaddr.MustParseIP(tailcfg.DerpMagicIP)
// activeDerp contains fields for an active DERP connection.
type activeDerp struct {