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control/controlclient: introduce eventbus messages instead of callbacks (#16956)

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This is a small introduction of the eventbus into controlclient that
communicates with mainly ipnlocal. While ipnlocal is a complicated part
of the codebase, the subscribers here are from the perspective of
ipnlocal already called async.

Updates #15160

Signed-off-by: Claus Lensbøl <claus@tailscale.com>
This commit is contained in:
Claus Lensbøl
2025-09-15 10:36:17 -04:00
committed by GitHub
parent 782c16c513
commit b816fd7117
15 changed files with 293 additions and 143 deletions
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ipn/ipnlocal/expiry_test.go
+7 -3
View File
@@ -14,6 +14,7 @@ import (
"tailscale.com/tstest"
"tailscale.com/types/key"
"tailscale.com/types/netmap"
"tailscale.com/util/eventbus/eventbustest"
)
func TestFlagExpiredPeers(t *testing.T) {
@@ -110,7 +111,8 @@ func TestFlagExpiredPeers(t *testing.T) {
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
em := newExpiryManager(t.Logf)
bus := eventbustest.NewBus(t)
em := newExpiryManager(t.Logf, bus)
em.clock = tstest.NewClock(tstest.ClockOpts{Start: now})
if tt.controlTime != nil {
em.onControlTime(*tt.controlTime)
@@ -240,7 +242,8 @@ func TestNextPeerExpiry(t *testing.T) {
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
em := newExpiryManager(t.Logf)
bus := eventbustest.NewBus(t)
em := newExpiryManager(t.Logf, bus)
em.clock = tstest.NewClock(tstest.ClockOpts{Start: now})
got := em.nextPeerExpiry(tt.netmap, now)
if !got.Equal(tt.want) {
@@ -253,7 +256,8 @@ func TestNextPeerExpiry(t *testing.T) {
t.Run("ClockSkew", func(t *testing.T) {
t.Logf("local time: %q", now.Format(time.RFC3339))
em := newExpiryManager(t.Logf)
bus := eventbustest.NewBus(t)
em := newExpiryManager(t.Logf, bus)
em.clock = tstest.NewClock(tstest.ClockOpts{Start: now})
// The local clock is "running fast"; our clock skew is -2h