Files
mattermost/server/config/emitter.go
Jesse Hallam bb02b35048 Expose public/ API as submodule (#23345)
* model -> public/model

* plugin -> public/plugin

* public/model/utils -> public/utils

* platform/shared/mlog -> public/shared/mlog

* platform/shared/i18n -> public/shared/i18n

* platform/shared/markdown -> public/shared/markdown

* platform/services/timezones -> public/shared/timezones

* channels/einterfaces -> einterfaces

* expose public/ submodule

* go mod tidy

* .github: cache-dependency-path, setup-go-work

* modules-tidy for public/ too

* remove old gomodtidy
2023-05-10 13:07:02 -03:00

67 lines
2.0 KiB
Go

// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
package config
import (
"sync"
"github.com/mattermost/mattermost-server/server/public/model"
"github.com/mattermost/mattermost-server/server/public/shared/mlog"
)
// Listener is a callback function invoked when the configuration changes.
type Listener func(oldCfg, newCfg *model.Config)
// emitter enables threadsafe registration and broadcasting to configuration listeners
type emitter struct {
listeners sync.Map
}
// AddListener adds a callback function to invoke when the configuration is modified.
func (e *emitter) AddListener(listener Listener) string {
id := model.NewId()
e.listeners.Store(id, listener)
return id
}
// RemoveListener removes a callback function using an id returned from AddListener.
func (e *emitter) RemoveListener(id string) {
e.listeners.Delete(id)
}
// invokeConfigListeners synchronously notifies all listeners about the configuration change.
func (e *emitter) invokeConfigListeners(oldCfg, newCfg *model.Config) {
e.listeners.Range(func(key, value any) bool {
listener := value.(Listener)
listener(oldCfg, newCfg)
return true
})
}
// srcEmitter enables threadsafe registration and broadcasting to configuration listeners
type logSrcEmitter struct {
listeners sync.Map
}
// AddListener adds a callback function to invoke when the configuration is modified.
func (e *logSrcEmitter) AddListener(listener LogSrcListener) string {
id := model.NewId()
e.listeners.Store(id, listener)
return id
}
// RemoveListener removes a callback function using an id returned from AddListener.
func (e *logSrcEmitter) RemoveListener(id string) {
e.listeners.Delete(id)
}
// invokeConfigListeners synchronously notifies all listeners about the configuration change.
func (e *logSrcEmitter) invokeConfigListeners(oldCfg, newCfg mlog.LoggerConfiguration) {
e.listeners.Range(func(key, value any) bool {
listener := value.(LogSrcListener)
listener(oldCfg, newCfg)
return true
})
}