Files
cgrates/services/kamailioagent.go

127 lines
3.2 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 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>
*/
package services
import (
"fmt"
"strings"
"sync"
"github.com/cgrates/cgrates/engine"
"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,
shdChan *utils.SyncedChan, connMgr *engine.ConnManager,
srvDep map[string]*sync.WaitGroup) servmanager.Service {
return &KamailioAgent{
cfg: cfg,
shdChan: shdChan,
connMgr: connMgr,
srvDep: srvDep,
}
}
// KamailioAgent implements Agent interface
type KamailioAgent struct {
sync.RWMutex
cfg *config.CGRConfig
shdChan *utils.SyncedChan
kam *agents.KamailioAgent
connMgr *engine.ConnManager
srvDep map[string]*sync.WaitGroup
}
// Start should handle the sercive start
func (kam *KamailioAgent) Start() (err error) {
if kam.IsRunning() {
return utils.ErrServiceAlreadyRunning
}
kam.Lock()
defer kam.Unlock()
kam.kam = agents.NewKamailioAgent(kam.cfg.KamAgentCfg(), kam.connMgr,
utils.FirstNonEmpty(kam.cfg.KamAgentCfg().Timezone, kam.cfg.GeneralCfg().DefaultTimezone))
go func(k *agents.KamailioAgent) {
if err = k.Connect(); err != nil &&
!strings.Contains(err.Error(), "use of closed network connection") { // if closed by us do not log
utils.Logger.Err(fmt.Sprintf("<%s> error: %s", utils.KamailioAgent, err))
kam.shdChan.CloseOnce()
}
}(kam.kam)
return
}
// Reload handles the change of config
func (kam *KamailioAgent) Reload() (err error) {
if err = kam.Shutdown(); err != nil {
return
}
kam.Lock()
defer kam.Unlock()
kam.kam.Reload()
go func(k *agents.KamailioAgent) {
if err = k.Connect(); err != nil {
if strings.Contains(err.Error(), "use of closed network connection") { // if closed by us do not log
return
}
utils.Logger.Err(fmt.Sprintf("<%s> error: %s", utils.KamailioAgent, err))
kam.shdChan.CloseOnce()
}
}(kam.kam)
return
}
// Shutdown stops the service
func (kam *KamailioAgent) Shutdown() (err error) {
kam.Lock()
defer kam.Unlock()
if err = kam.kam.Shutdown(); err != nil {
return
}
kam.kam = nil
return
}
// IsRunning returns if the service is running
func (kam *KamailioAgent) IsRunning() bool {
kam.RLock()
defer kam.RUnlock()
return kam != nil && kam.kam != nil
}
// 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
}