Migrate notifier from portmaster-ui to cmds/notifier, remove some duplicated code, move assets to assets/data and add a small go package in assets to allow embedding icons

cmds/notifier/shutdown.go

@@ -0,0 +1,50 @@
+package main
+
+import (
+	"github.com/safing/portbase/api/client"
+	"github.com/safing/portbase/log"
+)
+
+func startShutdownEventListener() {
+	shutdownNotifOp := apiClient.Sub("query runtime:modules/core/event/shutdown", handleShutdownEvent)
+	shutdownNotifOp.EnableResuscitation()
+
+	restartNotifOp := apiClient.Sub("query runtime:modules/core/event/restart", handleRestartEvent)
+	restartNotifOp.EnableResuscitation()
+}
+
+func handleShutdownEvent(m *client.Message) {
+	switch m.Type {
+	case client.MsgOk, client.MsgUpdate, client.MsgNew:
+		shuttingDown.Set()
+		triggerTrayUpdate()
+
+		log.Warningf("shutdown: received shutdown event, shutting down now")
+
+		// wait for the API client connection to die
+		<-apiClient.Offline()
+		shuttingDown.UnSet()
+
+		cancelMainCtx()
+
+	case client.MsgWarning, client.MsgError:
+		log.Errorf("shutdown: event subscription error: %s", string(m.RawValue))
+	}
+}
+
+func handleRestartEvent(m *client.Message) {
+	switch m.Type {
+	case client.MsgOk, client.MsgUpdate, client.MsgNew:
+		restarting.Set()
+		triggerTrayUpdate()
+
+		log.Warningf("restart: received restart event")
+
+		// wait for the API client connection to die
+		<-apiClient.Offline()
+		restarting.UnSet()
+		triggerTrayUpdate()
+	case client.MsgWarning, client.MsgError:
+		log.Errorf("shutdown: event subscription error: %s", string(m.RawValue))
+	}
+}