Files
cgrates/services/kamailioagent.go
2025-10-13 09:57:41 +02:00

112 lines
3.3 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 (
"fmt"
"strings"
"sync"
"github.com/cgrates/cgrates/agents"
"github.com/cgrates/cgrates/config"
"github.com/cgrates/cgrates/servmanager"
"github.com/cgrates/cgrates/utils"
)
// NewKamailioAgent returns the Kamailio Agent
func NewKamailioAgent(cfg *config.CGRConfig) *KamailioAgent {
return &KamailioAgent{
cfg: cfg,
stateDeps: NewStateDependencies([]string{utils.StateServiceUP, utils.StateServiceDOWN}),
}
}
// KamailioAgent implements Agent interface
type KamailioAgent struct {
sync.RWMutex
cfg *config.CGRConfig
kam *agents.KamailioAgent
stateDeps *StateDependencies // channel subscriptions for state changes
}
// Start should handle the sercive start
func (kam *KamailioAgent) Start(shutdown *utils.SyncedChan, registry *servmanager.ServiceRegistry) (err error) {
cms, err := WaitForServiceState(utils.StateServiceUP, utils.ConnManager, registry, kam.cfg.GeneralCfg().ConnectTimeout)
if err != nil {
return
}
kam.Lock()
defer kam.Unlock()
kam.kam = agents.NewKamailioAgent(kam.cfg.KamAgentCfg(), cms.(*ConnManagerService).ConnManager(),
utils.FirstNonEmpty(kam.cfg.KamAgentCfg().Timezone, kam.cfg.GeneralCfg().DefaultTimezone))
go kam.connect(kam.kam, shutdown)
return
}
// Reload handles the change of config
func (kam *KamailioAgent) Reload(shutdown *utils.SyncedChan, _ *servmanager.ServiceRegistry) (err error) {
kam.Lock()
defer kam.Unlock()
if err = kam.kam.Shutdown(); err != nil {
return
}
kam.kam.Reload()
go kam.connect(kam.kam, shutdown)
return
}
func (kam *KamailioAgent) connect(k *agents.KamailioAgent, shutdown *utils.SyncedChan) (err error) {
if err = k.Connect(); err != nil {
if !strings.Contains(err.Error(), "use of closed network connection") { // if closed by us do not log
if !strings.Contains(err.Error(), "KamEvapi") {
utils.Logger.Err(fmt.Sprintf("<%s> error: %s", utils.KamailioAgent, err))
}
shutdown.CloseOnce()
}
}
return
}
// Shutdown stops the service
func (kam *KamailioAgent) Shutdown(_ *servmanager.ServiceRegistry) (err error) {
kam.Lock()
defer kam.Unlock()
err = kam.kam.Shutdown()
kam.kam = nil
return
}
// ServiceName returns the service name
func (kam *KamailioAgent) ServiceName() string {
return utils.KamailioAgent
}
// ShouldRun returns if the service should be running
func (kam *KamailioAgent) ShouldRun() bool {
return kam.cfg.KamAgentCfg().Enabled
}
// StateChan returns signaling channel of specific state
func (kam *KamailioAgent) StateChan(stateID string) chan struct{} {
return kam.stateDeps.StateChan(stateID)
}