Cuong Manh Le 8dd90cb354 fix(config): use three-state atomic for rebootstrap to prevent data race ...

Replace boolean rebootstrap flag with a three-state atomic integer to
prevent concurrent SetupTransport calls during rebootstrap. The atomic
state machine ensures only one goroutine can proceed from "started" to
"in progress", eliminating the need for a mutex while maintaining
thread safety.

States: NotStarted -> Started -> InProgress -> NotStarted

Note that the race condition is still acceptable because any additional
transports created during the race are functional. Once the connection
is established, the unused transports are safely handled by the garbage
collector.

2026-03-05 16:52:02 +07:00

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