Function newMapSession

control/controlclient/map.go:120–142

newMapSession returns a mostly unconfigured new mapSession. Modify its optional fields on the returned value before use. It must have its Close method called to release resources.

(privateNodeKey key.NodePrivate, nu NetmapUpdater, controlKnobs *controlknobs.Knobs)

//
// It must have its Close method called to release resources.
func newMapSession(privateNodeKey key.NodePrivate, nu NetmapUpdater, controlKnobs *controlknobs.Knobs) *mapSession {
	ms := &mapSession{
		netmapUpdater:   nu,
		controlKnobs:    controlKnobs,
		privateNodeKey:  privateNodeKey,
		publicNodeKey:   privateNodeKey.Public(),
		lastDNSConfig:   new(tailcfg.DNSConfig),
		lastUserProfile: map[tailcfg.UserID]tailcfg.UserProfileView{},

		// Non-nil no-op defaults, to be optionally overridden by the caller.
		logf:              logger.Discard,
		vlogf:             logger.Discard,
		cancel:            func() {},
		onDebug:           func(context.Context, *tailcfg.Debug) error { return nil },
		onSelfNodeChanged: func(*netmap.NetworkMap) {},
		changeQueue:       make(chan responseWithSource),
		changeQueueClosed: false,
	}
	ms.sessionAliveCtx, ms.sessionAliveCtxClose = context.WithCancel(context.Background())
	ms.processQueue.Add(1)
	go ms.run()
	return ms
}

// run starts the mapSession processing a queue of tailcfg.MapResponse one by
// one until close() is called on the mapSession.