wip: migrate to mono-repo. SPN has already been moved to spn/

service/core/core.go

@@ -0,0 +1,100 @@
+package core
+
+import (
+	"flag"
+	"fmt"
+	"time"
+
+	"github.com/safing/portbase/log"
+	"github.com/safing/portbase/metrics"
+	"github.com/safing/portbase/modules"
+	"github.com/safing/portbase/modules/subsystems"
+	_ "github.com/safing/portmaster/service/broadcasts"
+	_ "github.com/safing/portmaster/service/netenv"
+	_ "github.com/safing/portmaster/service/netquery"
+	_ "github.com/safing/portmaster/service/status"
+	_ "github.com/safing/portmaster/service/sync"
+	_ "github.com/safing/portmaster/service/ui"
+	"github.com/safing/portmaster/service/updates"
+)
+
+const (
+	eventShutdown = "shutdown"
+	eventRestart  = "restart"
+)
+
+var (
+	module *modules.Module
+
+	disableShutdownEvent bool
+)
+
+func init() {
+	module = modules.Register("core", prep, start, nil, "base", "subsystems", "status", "updates", "api", "notifications", "ui", "netenv", "network", "netquery", "interception", "compat", "broadcasts", "sync")
+	subsystems.Register(
+		"core",
+		"Core",
+		"Base Structure and System Integration",
+		module,
+		"config:core/",
+		nil,
+	)
+
+	flag.BoolVar(
+		&disableShutdownEvent,
+		"disable-shutdown-event",
+		false,
+		"disable shutdown event to keep app and notifier open when core shuts down",
+	)
+
+	modules.SetGlobalShutdownFn(shutdownHook)
+}
+
+func prep() error {
+	registerEvents()
+
+	// init config
+	err := registerConfig()
+	if err != nil {
+		return err
+	}
+
+	if err := registerAPIEndpoints(); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func start() error {
+	if err := startPlatformSpecific(); err != nil {
+		return fmt.Errorf("failed to start plattform-specific components: %w", err)
+	}
+
+	// Enable persistent metrics.
+	if err := metrics.EnableMetricPersistence("core:metrics/storage"); err != nil {
+		log.Warningf("core: failed to enable persisted metrics: %s", err)
+	}
+
+	return nil
+}
+
+func registerEvents() {
+	module.RegisterEvent(eventShutdown, true)
+	module.RegisterEvent(eventRestart, true)
+}
+
+func shutdownHook() {
+	// Notify everyone of the restart/shutdown.
+	if !updates.IsRestarting() {
+		// Only trigger shutdown event if not disabled.
+		if !disableShutdownEvent {
+			module.TriggerEvent(eventShutdown, nil)
+		}
+	} else {
+		module.TriggerEvent(eventRestart, nil)
+	}
+
+	// Wait a bit for the event to propagate.
+	time.Sleep(100 * time.Millisecond)
+}