mirror of
https://github.com/cgrates/cgrates.git
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118 lines
3.1 KiB
Go
118 lines
3.1 KiB
Go
/*
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Real-time Online/Offline Charging System (OCS) for Telecom & ISP environments
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Copyright (C) ITsysCOM GmbH
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>
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*/
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package services
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import (
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"fmt"
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"sync"
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"github.com/cgrates/cgrates/config"
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"github.com/cgrates/cgrates/engine"
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"github.com/cgrates/cgrates/ers"
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"github.com/cgrates/cgrates/servmanager"
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"github.com/cgrates/cgrates/utils"
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)
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// NewEventReaderService returns the EventReader Service
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func NewEventReaderService(cfg *config.CGRConfig, filterSChan chan *engine.FilterS,
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exitChan chan bool, connMgr *engine.ConnManager) servmanager.Service {
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return &EventReaderService{
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rldChan: make(chan struct{}, 1),
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cfg: cfg,
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filterSChan: filterSChan,
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exitChan: exitChan,
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connMgr: connMgr,
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}
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}
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// EventReaderService implements Service interface
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type EventReaderService struct {
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sync.RWMutex
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cfg *config.CGRConfig
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filterSChan chan *engine.FilterS
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exitChan chan bool
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ers *ers.ERService
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rldChan chan struct{}
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stopChan chan struct{}
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connMgr *engine.ConnManager
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}
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// Start should handle the sercive start
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func (erS *EventReaderService) Start() (err error) {
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if erS.IsRunning() {
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return utils.ErrServiceAlreadyRunning
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}
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erS.Lock()
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defer erS.Unlock()
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filterS := <-erS.filterSChan
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erS.filterSChan <- filterS
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// remake tht stop chan
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erS.stopChan = make(chan struct{}, 1)
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utils.Logger.Info(fmt.Sprintf("<%s> starting <%s> subsystem", utils.CoreS, utils.ERs))
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// build the service
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erS.ers = ers.NewERService(erS.cfg, filterS, erS.stopChan, erS.connMgr)
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go func(ers *ers.ERService, rldChan chan struct{}) {
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if err := ers.ListenAndServe(rldChan); err != nil {
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utils.Logger.Err(fmt.Sprintf("<%s> error: <%s>", utils.ERs, err.Error()))
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erS.exitChan <- true
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}
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}(erS.ers, erS.rldChan)
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return
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}
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// Reload handles the change of config
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func (erS *EventReaderService) Reload() (err error) {
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erS.RLock()
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erS.rldChan <- struct{}{}
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erS.RUnlock()
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return
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}
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// Shutdown stops the service
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func (erS *EventReaderService) Shutdown() (err error) {
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erS.Lock()
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close(erS.stopChan)
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erS.ers = nil
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erS.Unlock()
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return
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}
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// IsRunning returns if the service is running
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func (erS *EventReaderService) IsRunning() bool {
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erS.RLock()
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defer erS.RUnlock()
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return erS != nil && erS.ers != nil
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}
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// ServiceName returns the service name
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func (erS *EventReaderService) ServiceName() string {
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return utils.ERs
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}
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// ShouldRun returns if the service should be running
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func (erS *EventReaderService) ShouldRun() bool {
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return erS.cfg.ERsCfg().Enabled
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}
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