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ipn: declare NotifyWatchOpt consts without using iota

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Updates #cleanup
Updates #1909 (noticed while working on that)

Change-Id: I505001e5294287ad2a937b4db61d9e67de70fa14
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
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Brad Fitzpatrick 2025-01-04 15:33:29 -08:00 committed by Brad Fitzpatrick
parent 36ea792f06
commit 2fb361a3cf
1 changed files with 15 additions and 9 deletions
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24
ipn/backend.go
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@ -58,23 +58,29 @@ type EngineStatus struct {
// to subscribe to. // to subscribe to.
type NotifyWatchOpt uint64 type NotifyWatchOpt uint64
// NotifyWatchOpt values.
//
// These aren't declared using Go's iota because they're not purely internal to
// the process and iota should not be used for values that are serialized to
// disk or network. In this case, these values come over the network via the
// LocalAPI, a mostly stable API.
const ( const (
// NotifyWatchEngineUpdates, if set, causes Engine updates to be sent to the // NotifyWatchEngineUpdates, if set, causes Engine updates to be sent to the
// client either regularly or when they change, without having to ask for // client either regularly or when they change, without having to ask for
// each one via Engine.RequestStatus. // each one via Engine.RequestStatus.
NotifyWatchEngineUpdates NotifyWatchOpt = 1 << iota NotifyWatchEngineUpdates NotifyWatchOpt = 1 << 0
NotifyInitialState // if set, the first Notify message (sent immediately) will contain the current State + BrowseToURL + SessionID NotifyInitialState NotifyWatchOpt = 1 << 1 // if set, the first Notify message (sent immediately) will contain the current State + BrowseToURL + SessionID
NotifyInitialPrefs // if set, the first Notify message (sent immediately) will contain the current Prefs NotifyInitialPrefs NotifyWatchOpt = 1 << 2 // 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 NotifyInitialNetMap NotifyWatchOpt = 1 << 3 // if set, the first Notify message (sent immediately) will contain the current NetMap
NotifyNoPrivateKeys // if set, private keys that would normally be sent in updates are zeroed out NotifyNoPrivateKeys NotifyWatchOpt = 1 << 4 // if set, private keys that would normally be sent in updates are zeroed out
NotifyInitialDriveShares // if set, the first Notify message (sent immediately) will contain the current Taildrive Shares NotifyInitialDriveShares NotifyWatchOpt = 1 << 5 // if set, the first Notify message (sent immediately) will contain the current Taildrive Shares
NotifyInitialOutgoingFiles // if set, the first Notify message (sent immediately) will contain the current Taildrop OutgoingFiles NotifyInitialOutgoingFiles NotifyWatchOpt = 1 << 6 // if set, the first Notify message (sent immediately) will contain the current Taildrop OutgoingFiles
NotifyInitialHealthState // if set, the first Notify message (sent immediately) will contain the current health.State of the client NotifyInitialHealthState NotifyWatchOpt = 1 << 7 // if set, the first Notify message (sent immediately) will contain the current health.State of the client
NotifyRateLimit // if set, rate limit spammy netmap updates to every few seconds NotifyRateLimit NotifyWatchOpt = 1 << 8 // if set, rate limit spammy netmap updates to every few seconds
) )
// Notify is a communication from a backend (e.g. tailscaled) to a frontend // Notify is a communication from a backend (e.g. tailscaled) to a frontend