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Pull request: hup-reload

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Merge in DNS/adguard-home from hup-reload to master

Squashed commit of the following:

commit 5cd4ab85bdc7544a4eded2a61f5a5571175daa44
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Oct 7 19:58:17 2022 +0300

    next: imp signal hdlr

commit 8fd18e749fec46982d26fc408e661bd802586c37
Merge: a8780455 f1dd3334
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Oct 7 19:46:48 2022 +0300

    Merge branch 'master' into hup-reload

commit a87804550e15d7fe3d9ded2e5a736c395f96febd
Merge: 349dbe54 960a7a75
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Oct 7 15:49:23 2022 +0300

    Merge branch 'master' into hup-reload

commit 349dbe54fe27eeaf56776c73c3cc5649018d4c60
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Oct 7 15:43:52 2022 +0300

    next: imp docs, names

commit 7287a86d283489127453009267911003cea5227e
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Oct 7 13:39:44 2022 +0300

    WIP all: impl dynamic reconfiguration
This commit is contained in:
Ainar Garipov
2022-10-10 14:05:24 +03:00
parent f1dd33346a
commit f5602d9c46
18 changed files with 417 additions and 70 deletions
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40
internal/next/agh/agh.go
View File

@@ -1,6 +1,4 @@
// Package agh contains common entities and interfaces of AdGuard Home.
//
// TODO(a.garipov): Move to the upper-level internal/.
package agh
import "context"
@@ -23,11 +21,43 @@ type Service interface {
// type check
var _ Service = EmptyService{}
// EmptyService is a Service that does nothing.
// EmptyService is a [Service] that does nothing.
//
// TODO(a.garipov): Remove if unnecessary.
type EmptyService struct{}
// Start implements the Service interface for EmptyService.
// Start implements the [Service] interface for EmptyService.
func (EmptyService) Start() (err error) { return nil }
// Shutdown implements the Service interface for EmptyService.
// Shutdown implements the [Service] interface for EmptyService.
func (EmptyService) Shutdown(_ context.Context) (err error) { return nil }
// ServiceWithConfig is an extension of the [Service] interface for services
// that can return their configuration.
//
// TODO(a.garipov): Consider removing this generic interface if we figure out
// how to make it testable in a better way.
type ServiceWithConfig[ConfigType any] interface {
Service
Config() (c ConfigType)
}
// type check
var _ ServiceWithConfig[struct{}] = (*EmptyServiceWithConfig[struct{}])(nil)
// EmptyServiceWithConfig is a ServiceWithConfig that does nothing. Its Config
// method returns Conf.
//
// TODO(a.garipov): Remove if unnecessary.
type EmptyServiceWithConfig[ConfigType any] struct {
EmptyService
Conf ConfigType
}
// Config implements the [ServiceWithConfig] interface for
// *EmptyServiceWithConfig.
func (s *EmptyServiceWithConfig[ConfigType]) Config() (conf ConfigType) {
return s.Conf
}