Files
cgrates/services/resources.go
2019-10-28 12:17:15 +01:00

122 lines
3.5 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"
"sync"
v1 "github.com/cgrates/cgrates/apier/v1"
"github.com/cgrates/cgrates/engine"
"github.com/cgrates/cgrates/servmanager"
"github.com/cgrates/cgrates/utils"
"github.com/cgrates/rpcclient"
)
// NewResourceService returns the Resource Service
func NewResourceService() servmanager.Service {
return &ResourceService{
connChan: make(chan rpcclient.RpcClientConnection, 1),
}
}
// ResourceService implements Service interface
type ResourceService struct {
sync.RWMutex
reS *engine.ResourceService
rpc *v1.ResourceSv1
connChan chan rpcclient.RpcClientConnection
}
// Start should handle the sercive start
func (reS *ResourceService) Start(sp servmanager.ServiceProvider, waitCache bool) (err error) {
if reS.IsRunning() {
return fmt.Errorf("service aleady running")
}
if waitCache {
<-sp.GetCacheS().GetPrecacheChannel(utils.CacheResourceProfiles)
<-sp.GetCacheS().GetPrecacheChannel(utils.CacheResources)
<-sp.GetCacheS().GetPrecacheChannel(utils.CacheResourceFilterIndexes)
}
var thdSConn rpcclient.RpcClientConnection
if thdSConn, err = sp.GetConnection(utils.ThresholdS, sp.GetConfig().StatSCfg().ThresholdSConns); err != nil {
utils.Logger.Crit(fmt.Sprintf("<%s> Could not connect to ThresholdS: %s", utils.ResourceS, err.Error()))
return
}
reS.Lock()
defer reS.Unlock()
reS.reS, err = engine.NewResourceService(sp.GetDM(), sp.GetConfig(), thdSConn, sp.GetFilterS())
if err != nil {
utils.Logger.Crit(fmt.Sprintf("<%s> Could not init, error: %s", utils.ResourceS, err.Error()))
return
}
utils.Logger.Info(fmt.Sprintf("<%s> starting <%s> subsystem", utils.CoreS, utils.ResourceS))
reS.reS.StartLoop()
reS.rpc = v1.NewResourceSv1(reS.reS)
if !sp.GetConfig().DispatcherSCfg().Enabled {
sp.GetServer().RpcRegister(reS.rpc)
}
reS.connChan <- reS.rpc
return
}
// GetIntenternalChan returns the internal connection chanel
func (reS *ResourceService) GetIntenternalChan() (conn chan rpcclient.RpcClientConnection) {
return reS.connChan
}
// Reload handles the change of config
func (reS *ResourceService) Reload(sp servmanager.ServiceProvider) (err error) {
reS.Lock()
reS.reS.Reload()
defer reS.Unlock()
return
}
// Shutdown stops the service
func (reS *ResourceService) Shutdown() (err error) {
reS.Lock()
defer reS.Unlock()
if err = reS.reS.Shutdown(); err != nil {
return
}
reS.reS = nil
reS.rpc = nil
<-reS.connChan
return
}
// GetRPCInterface returns the interface to register for server
func (reS *ResourceService) GetRPCInterface() interface{} {
return reS.rpc
}
// IsRunning returns if the service is running
func (reS *ResourceService) IsRunning() bool {
reS.RLock()
defer reS.RUnlock()
return reS != nil && reS.reS != nil
}
// ServiceName returns the service name
func (reS *ResourceService) ServiceName() string {
return utils.ResourceS
}