From 440b7f422c45423e9763b653bfede9033d26cc21 Mon Sep 17 00:00:00 2001
From: Dan Ballard <dan@mindstab.net>
Date: Fri, 28 Apr 2023 15:00:15 -0600
Subject: [PATCH] move event handling for AcnStatus engine reboot from lcg into
 app

---
 app/app.go | 49 ++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 48 insertions(+), 1 deletion(-)

diff --git a/app/app.go b/app/app.go
index 634f245..29aef9a 100644
--- a/app/app.go
+++ b/app/app.go
@@ -31,6 +31,7 @@ type application struct {
 
 	engines     map[string]connections.Engine
 	appBus      event.Manager
+	eventQueue  event.Queue
 	appmutex    sync.Mutex
 	engineHooks connections.EngineHooks
 
@@ -97,7 +98,7 @@ func LoadAppSettings(appDirectory string) *settings.GlobalSettingsFile {
 // NewApp creates a new app with some environment awareness and initializes a Tor Manager
 func NewApp(acn connectivity.ACN, appDirectory string, settings *settings.GlobalSettingsFile) Application {
 
-	app := &application{engines: make(map[string]connections.Engine), eventBuses: make(map[string]event.Manager), directory: appDirectory, appBus: event.NewEventManager(), settings: settings}
+	app := &application{engines: make(map[string]connections.Engine), eventBuses: make(map[string]event.Manager), directory: appDirectory, appBus: event.NewEventManager(), settings: settings, eventQueue: event.NewQueue()}
 	app.peers = make(map[string]peer.CwtchPeer)
 	app.engineHooks = connections.DefaultEngineHooks{}
 	app.acn = acn
@@ -107,6 +108,9 @@ func NewApp(acn connectivity.ACN, appDirectory string, settings *settings.Global
 	prog, status := acn.GetBootstrapStatus()
 	statusHandler(prog, status)
 
+	app.GetPrimaryBus().Subscribe(event.ACNStatus, app.eventQueue)
+	go app.eventHandler()
+
 	return app
 }
 
@@ -474,6 +478,48 @@ func (app *application) QueryACNVersion() {
 	app.appBus.Publish(event.NewEventList(event.ACNVersion, event.Data, version))
 }
 
+func (app *application) eventHandler() {
+	acnStatus := -1
+	for {
+		e := app.eventQueue.Next()
+		switch e.EventType {
+		case event.ACNStatus:
+			newAcnStatus, err := strconv.Atoi(e.Data[event.Progress])
+			if err != nil {
+				break
+			}
+			if newAcnStatus == 100 {
+				if acnStatus != 100 {
+					for _, onion := range app.ListProfiles() {
+						profile := app.GetPeer(onion)
+						if profile != nil {
+							autostart, exists := profile.GetScopedZonedAttribute(attr.LocalScope, attr.ProfileZone, constants.PeerAutostart)
+							if !exists || autostart == "true" {
+								app.ActivatePeerEngine(onion)
+							}
+						}
+					}
+				}
+			} else {
+				if acnStatus == 100 {
+					// just fell offline
+					for _, onion := range app.ListProfiles() {
+						app.DeactivatePeerEngine(onion)
+					}
+				}
+			}
+			acnStatus = newAcnStatus
+
+		default:
+			// invalid event, signifies shutdown
+			if e.EventType == "" {
+				return
+			}
+
+		}
+	}
+}
+
 // ShutdownPeer shuts down a peer and removes it from the app's management
 func (app *application) ShutdownPeer(onion string) {
 	app.appmutex.Lock()
@@ -519,6 +565,7 @@ func (app *application) Shutdown() {
 		app.shutdownPeer(id)
 	}
 	log.Debugf("Shutting Down App")
+	app.eventQueue.Shutdown()
 	app.appBus.Shutdown()
 	log.Debugf("Shut Down Complete")
 }