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

140 lines
3.8 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/config"
"github.com/cgrates/cgrates/engine"
"github.com/cgrates/cgrates/loaders"
"github.com/cgrates/cgrates/servmanager"
"github.com/cgrates/cgrates/utils"
"github.com/cgrates/rpcclient"
)
// NewLoaderService returns the Loader Service
func NewLoaderService(cfg *config.CGRConfig, dm *engine.DataManager,
filterSChan chan *engine.FilterS, server *utils.Server,
cacheSChan, dispatcherChan chan rpcclient.RpcClientConnection,
exitChan chan bool) servmanager.Service {
return &LoaderService{
connChan: make(chan rpcclient.RpcClientConnection, 1),
cfg: cfg,
dm: dm,
cacheSChan: cacheSChan,
dispatcherChan: dispatcherChan,
filterSChan: filterSChan,
server: server,
exitChan: exitChan,
}
}
// LoaderService implements Service interface
type LoaderService struct {
sync.RWMutex
cfg *config.CGRConfig
dm *engine.DataManager
filterSChan chan *engine.FilterS
server *utils.Server
cacheSChan chan rpcclient.RpcClientConnection
dispatcherChan chan rpcclient.RpcClientConnection
exitChan chan bool
ldrs *loaders.LoaderService
rpc *v1.LoaderSv1
connChan chan rpcclient.RpcClientConnection
}
// Start should handle the sercive start
func (ldrs *LoaderService) Start() (err error) {
if ldrs.IsRunning() {
return fmt.Errorf("service aleady running")
}
filterS := <-ldrs.filterSChan
ldrs.filterSChan <- filterS
internalChan := ldrs.cacheSChan
if ldrs.cfg.DispatcherSCfg().Enabled {
internalChan = ldrs.dispatcherChan
}
ldrs.Lock()
defer ldrs.Unlock()
ldrs.ldrs = loaders.NewLoaderService(ldrs.dm, ldrs.cfg.LoaderCfg(),
ldrs.cfg.GeneralCfg().DefaultTimezone, ldrs.exitChan, filterS, internalChan)
if !ldrs.ldrs.Enabled() {
return
}
ldrs.rpc = v1.NewLoaderSv1(ldrs.ldrs)
ldrs.server.RpcRegister(ldrs.rpc)
ldrs.connChan <- ldrs.rpc
return
}
// GetIntenternalChan returns the internal connection chanel
func (ldrs *LoaderService) GetIntenternalChan() (conn chan rpcclient.RpcClientConnection) {
return ldrs.connChan
}
// Reload handles the change of config
func (ldrs *LoaderService) Reload() (err error) {
filterS := <-ldrs.filterSChan
ldrs.filterSChan <- filterS
ldrs.RLock()
internalChan := ldrs.cacheSChan
if ldrs.cfg.DispatcherSCfg().Enabled {
internalChan = ldrs.dispatcherChan
}
ldrs.ldrs.Reload(ldrs.dm, ldrs.cfg.LoaderCfg(), ldrs.cfg.GeneralCfg().DefaultTimezone,
ldrs.exitChan, filterS, internalChan)
ldrs.RUnlock()
return
}
// Shutdown stops the service
func (ldrs *LoaderService) Shutdown() (err error) {
ldrs.Lock()
ldrs.ldrs = nil
ldrs.rpc = nil
<-ldrs.connChan
ldrs.Unlock()
return
}
// IsRunning returns if the service is running
func (ldrs *LoaderService) IsRunning() bool {
ldrs.RLock()
defer ldrs.RUnlock()
return ldrs != nil && ldrs.ldrs != nil && ldrs.ldrs.Enabled()
}
// ServiceName returns the service name
func (ldrs *LoaderService) ServiceName() string {
return utils.LoaderS
}
// ShouldRun returns if the service should be running
func (ldrs *LoaderService) ShouldRun() bool {
return true
}