Restructure modules (#1572)

* Move portbase into monorepo

* Add new simple module mgr

* [WIP] Switch to new simple module mgr

* Add StateMgr and more worker variants

* [WIP] Switch more modules

* [WIP] Switch more modules

* [WIP] swtich more modules

* [WIP] switch all SPN modules

* [WIP] switch all service modules

* [WIP] Convert all workers to the new module system

* [WIP] add new task system to module manager

* [WIP] Add second take for scheduling workers

* [WIP] Add FIXME for bugs in new scheduler

* [WIP] Add minor improvements to scheduler

* [WIP] Add new worker scheduler

* [WIP] Fix more bug related to new module system

* [WIP] Fix start handing of the new module system

* [WIP] Improve startup process

* [WIP] Fix minor issues

* [WIP] Fix missing subsystem in settings

* [WIP] Initialize managers in constructor

* [WIP] Move module event initialization to constrictors

* [WIP] Fix setting for enabling and disabling the SPN module

* [WIP] Move API registeration into module construction

* [WIP] Update states mgr for all modules

* [WIP] Add CmdLine operation support

* Add state helper methods to module group and instance

* Add notification and module status handling to status package

* Fix starting issues

* Remove pilot widget and update security lock to new status data

* Remove debug logs

* Improve http server shutdown

* Add workaround for cleanly shutting down firewall+netquery

* Improve logging

* Add syncing states with notifications for new module system

* Improve starting, stopping, shutdown; resolve FIXMEs/TODOs

* [WIP] Fix most unit tests

* Review new module system and fix minor issues

* Push shutdown and restart events again via API

* Set sleep mode via interface

* Update example/template module

* [WIP] Fix spn/cabin unit test

* Remove deprecated UI elements

* Make log output more similar for the logging transition phase

* Switch spn hub and observer cmds to new module system

* Fix log sources

* Make worker mgr less error prone

* Fix tests and minor issues

* Fix observation hub

* Improve shutdown and restart handling

* Split up big connection.go source file

* Move varint and dsd packages to structures repo

* Improve expansion test

* Fix linter warnings

* Fix interception module on windows

* Fix linter errors

---------

Co-authored-by: Vladimir Stoilov <vladimir@safing.io>

base/api/module.go

@@ -0,0 +1,65 @@
+package api
+
+import (
+	"errors"
+	"sync/atomic"
+
+	"github.com/safing/portmaster/base/config"
+	"github.com/safing/portmaster/service/mgr"
+)
+
+// API is the HTTP/Websockets API module.
+type API struct {
+	mgr      *mgr.Manager
+	instance instance
+
+	online atomic.Bool
+}
+
+func (api *API) Manager() *mgr.Manager {
+	return api.mgr
+}
+
+// Start starts the module.
+func (api *API) Start() error {
+	if err := start(); err != nil {
+		return err
+	}
+
+	api.online.Store(true)
+	return nil
+}
+
+// Stop stops the module.
+func (api *API) Stop() error {
+	defer api.online.Store(false)
+	return stop()
+}
+
+var (
+	shimLoaded atomic.Bool
+	module     *API
+)
+
+// New returns a new UI module.
+func New(instance instance) (*API, error) {
+	if !shimLoaded.CompareAndSwap(false, true) {
+		return nil, errors.New("only one instance allowed")
+	}
+	m := mgr.New("API")
+	module = &API{
+		mgr:      m,
+		instance: instance,
+	}
+
+	if err := prep(); err != nil {
+		return nil, err
+	}
+	return module, nil
+}
+
+type instance interface {
+	Config() *config.Config
+	SetCmdLineOperation(f func() error)
+	Ready() bool
+}