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openthread/tests
Abtin Keshavarzian 5783555d4c [mlr] introduce state machine and use timer in Mlr::Manager (#13132)
This commit introduces a structured state machine to `Mlr::Manager` to
coordinate Multicast Listener Registration (MLR) activities more
efficiently. The previous implementation relied on independent delay
variables and the global `TimeTicker`, which could lead to redundant
or premature registrations, especially when a Primary Backbone Router
(PBBR) was newly discovered or updated.

The new state machine (`kStateStopped`, `kStateIdle`,
`kStateToRegisterAll`, `kStateRegistering`, `kStateRegistered`,
`kStateNewAddrToRegister`) provides explicit transitions for the
entire MLR lifecycle. This ensures that registrations are properly
aggregated and that periodic renewals are correctly rescheduled after
successful out-of-band registrations.

Additionally, the manager now uses a dedicated `TimerMilli` instead of
`TimeTicker`, reducing system-wide overhead and providing more
precise timing control.
2026-05-26 08:38:18 -07:00
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