Files
cgrates/services/filters.go
2025-10-19 13:15:57 +02:00

104 lines
2.9 KiB
Go

/*
Real-time Online/Offline Charging System (OCS) for Telecom & ISP environments
Copyright (C) ITsysCOM GmbH
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>
*/
package services
import (
"sync"
"github.com/cgrates/cgrates/config"
"github.com/cgrates/cgrates/engine"
"github.com/cgrates/cgrates/servmanager"
"github.com/cgrates/cgrates/utils"
)
// NewFilterService instantiates a new FilterService.
func NewFilterService(cfg *config.CGRConfig) *FilterService {
return &FilterService{
cfg: cfg,
stateDeps: NewStateDependencies([]string{utils.StateServiceUP, utils.StateServiceDOWN}),
}
}
// FilterService implements Service interface.
type FilterService struct {
mu sync.RWMutex
cfg *config.CGRConfig
fltrS *engine.FilterS
stateDeps *StateDependencies // channel subscriptions for state changes
}
// Start handles the service start.
func (s *FilterService) Start(shutdown *utils.SyncedChan, registry *servmanager.ServiceRegistry) error {
srvDeps, err := WaitForServicesToReachState(utils.StateServiceUP,
[]string{
utils.ConnManager,
utils.CacheS,
utils.DB,
},
registry, s.cfg.GeneralCfg().ConnectTimeout)
if err != nil {
return err
}
cms := srvDeps[utils.ConnManager].(*ConnManagerService)
cacheS := srvDeps[utils.CacheS].(*CacheService)
if err = cacheS.WaitToPrecache(shutdown, utils.CacheFilters); err != nil {
return err
}
dbs := srvDeps[utils.DB].(*DataDBService)
s.mu.Lock()
defer s.mu.Unlock()
s.fltrS = engine.NewFilterS(s.cfg, cms.ConnManager(), dbs.DataManager())
return nil
}
// Reload handles the config changes.
func (s *FilterService) Reload(_ *utils.SyncedChan, _ *servmanager.ServiceRegistry) error {
return nil
}
// Shutdown stops the service.
func (s *FilterService) Shutdown(_ *servmanager.ServiceRegistry) error {
s.mu.Lock()
defer s.mu.Unlock()
s.fltrS = nil
return nil
}
// ServiceName returns the service name
func (s *FilterService) ServiceName() string {
return utils.FilterS
}
// ShouldRun returns if the service should be running.
func (s *FilterService) ShouldRun() bool {
return true
}
// StateChan returns signaling channel of specific state
func (s *FilterService) StateChan(stateID string) chan struct{} {
return s.stateDeps.StateChan(stateID)
}
// FilterS returns the FilterS object.
func (s *FilterService) FilterS() *engine.FilterS {
return s.fltrS
}