Brad Fitzpatrick c76a6e5167
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derp: track client-advertised non-ideal DERP connections in more places
In f77821fd63 (released in v1.72.0), we made the client tell a DERP server
when the connection was not its ideal choice (the first node in its region).

But we didn't do anything with that information until now. This adds a
metric about how many such connections are on a given derper, and also
adds a bit to the PeerPresentFlags bitmask so watchers can identify
(and rebalance) them.

Updates tailscale/corp#372

Change-Id: Ief8af448750aa6d598e5939a57c062f4e55962be
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2024-10-20 19:56:28 -07:00
..
2023-08-03 13:00:45 -07:00
2024-09-17 09:48:48 -07:00
2024-04-16 15:32:38 -07:00
2024-06-05 15:24:04 -07:00
2024-09-29 16:15:22 -07:00