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

107 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 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"
)
// NewCacheService returns the Cache Service
func NewCacheService() servmanager.Service {
return &CacheService{
connChan: make(chan rpcclient.RpcClientConnection, 1),
}
}
// CacheService implements Service interface
type CacheService struct {
sync.RWMutex
chS *engine.CacheS
rpc *v1.CacheSv1
connChan chan rpcclient.RpcClientConnection
}
// Start should handle the sercive start
// inits the CacheS and starts precaching as well as populating internal channel for RPC conns
func (chS *CacheService) Start(sp servmanager.ServiceProvider, waitCache bool) (err error) {
// safe to not check CacheS should never be stoped and then started again
// if chS.IsRunning() {
// return fmt.Errorf("service aleady running")
// }
chS.Lock()
defer chS.Unlock()
chS.chS = engine.NewCacheS(sp.GetConfig(), sp.GetDM())
go func() {
if err := chS.chS.Precache(); err != nil {
utils.Logger.Crit(fmt.Sprintf("<%s> could not init, error: %s", utils.CacheS, err.Error()))
sp.GetExitChan() <- true
}
}()
chS.rpc = v1.NewCacheSv1(chS.chS)
if !sp.GetConfig().DispatcherSCfg().Enabled {
sp.GetServer().RpcRegister(chS.rpc)
}
chS.connChan <- chS.rpc
// set the cache in ServiceManager
sp.SetCacheS(chS.chS)
return
}
// GetIntenternalChan returns the internal connection chanel
func (chS *CacheService) GetIntenternalChan() (conn chan rpcclient.RpcClientConnection) {
return chS.connChan
}
// Reload handles the change of config
func (chS *CacheService) Reload(sp servmanager.ServiceProvider) (err error) {
return
}
// Shutdown stops the service
func (chS *CacheService) Shutdown() (err error) {
return
}
// GetRPCInterface returns the interface to register for server
func (chS *CacheService) GetRPCInterface() interface{} {
return chS.rpc
}
// IsRunning returns if the service is running
func (chS *CacheService) IsRunning() bool {
chS.RLock()
defer chS.RUnlock()
return chS != nil && chS.chS != nil
}
// ServiceName returns the service name
func (chS *CacheService) ServiceName() string {
return utils.CacheS
}