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ipn{,/ipnlocal}: add ipn.NotifyInitial* flags to WatchIPNBus

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To simplify clients getting the initial state when they subscribe.

Change-Id: I2490a5ab2411253717c74265a46a98012b80db82
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2022-11-30 17:39:43 -08:00
committed by Brad Fitzpatrick
parent 197a4f1ae8
commit 8dd1418774
3 changed files with 43 additions and 2 deletions
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ipn/backend.go
+4
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@@ -61,6 +61,10 @@ const (
// client either regularly or when they change, without having to ask for
// each one via RequestEngineStatus.
NotifyWatchEngineUpdates NotifyWatchOpt = 1 << iota
NotifyInitialState // if set, the first Notify message (sent immediately) will contain the current State + BrowseToURL
NotifyInitialPrefs // if set, the first Notify message (sent immediately) will contain the current Prefs
NotifyInitialNetMap // if set, the first Notify message (sent immediately) will contain the current NetMap
)
// Notify is a communication from a backend (e.g. tailscaled) to a frontend