Struct updater

vpn/tunnel.go:327–343

updater is the component of the tunnel responsible for sending workspace updates to the manager.

// updater is the component of the tunnel responsible for sending workspace
// updates to the manager.
type updater struct {
	ctx         context.Context
	cancel      context.CancelFunc
	netLoopDone chan struct{}

	logger slog.Logger

	mu      sync.Mutex
	uSendCh chan<- *TunnelMessage
	// agents contains the agents that are currently connected to the tunnel.
	agents map[uuid.UUID]agentWithPing
	// workspaces contains the workspaces to which agents are currently connected via the tunnel.
	workspaces map[uuid.UUID]tailnet.Workspace
	conn       Conn

	clock quartz.Clock
}

type agentWithPing struct {
	tailnet.Agent