tailscale/ipn
Jonathan Nobels 03c3551ee5
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ipn/ipnlocal: add netmap mutations to the ipn bus (#19120)
ipn/local: add netmap mutations to the ipn bus

updates tailscale/tailscale#1909

This adds a new new NotifyWatchOpt that allows watchers to
receive PeerChange events (derived from node mutations)
on the IPN bus in lieu of a complete netmap.  We'll continue
to send the full netmap for any map response that includes it,
but for  mutations, sending PeerChange events gives the client
the option to manage it's own models more selectively and cuts
way down on json serialization overhead.

On chatty tailnets, this will vastly reduce the amount of
chatter on the bus.

This change should be backwards compatible, it is
purely additive.  Clients that subscribe to NotifyNetmap will
get the full netmap for every delta.  New clients can
omit that and instead opt into NotifyPeerChanges.

Signed-off-by: Jonathan Nobels <jonathan@tailscale.com>
2026-04-09 15:45:41 -04:00
..
auditlog all: use Go 1.26 things, run most gofix modernizers 2026-03-06 13:32:03 -08:00
conffile all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
desktop ipn/desktop: use runtime.Pinner to force heap-allocation of msg 2026-04-07 12:55:11 -05:00
ipnauth all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
ipnext feature/conn25,ipn/ipnext,ipn/ipnlocal: add ExtraRouterConfigRoutes hook 2026-03-25 19:28:33 -07:00
ipnlocal ipn/ipnlocal: add netmap mutations to the ipn bus (#19120) 2026-04-09 15:45:41 -04:00
ipnserver ipn/ipnserver: use peercreds for actor.Username on freebsd (for Taildrive) 2026-03-24 20:35:56 -07:00
ipnstate types/ptr: deprecate ptr.To, use Go 1.26 new 2026-03-05 20:13:18 -08:00
lapitest types/ptr: deprecate ptr.To, use Go 1.26 new 2026-03-05 20:13:18 -08:00
localapi ipn/localapi, cli, clientmetric: add ipnbus feature tag; fix omit.go stub 2026-04-07 10:22:37 -07:00
policy all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
store all: use Go 1.26 things, run most gofix modernizers 2026-03-06 13:32:03 -08:00
backend_test.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
backend.go ipn/ipnlocal: add netmap mutations to the ipn bus (#19120) 2026-04-09 15:45:41 -04:00
conf_test.go ipn: reject advertised routes with non-address bits set (#18649) 2026-03-20 10:10:43 -07:00
conf.go ipn: fix the typo causing NoSNAT always set to true (#19110) 2026-03-24 16:41:58 -04:00
doc.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
ipn_clone.go tailcfg: reintroduce UserProfile.Groups 2026-03-09 11:08:45 +00:00
ipn_test.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
ipn_view.go tailcfg: reintroduce UserProfile.Groups 2026-03-09 11:08:45 +00:00
prefs_test.go cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
prefs.go ipn, cmd/tailscale/cli: allow setting FQDN sans dot as an exit node 2026-04-01 20:42:35 +01:00
serve_expand_test.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
serve_test.go cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
serve.go all: use Go 1.26 things, run most gofix modernizers 2026-03-06 13:32:03 -08:00
store_test.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
store.go all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00