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

257 lines
8.9 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/servmanager"
"github.com/cgrates/cgrates/sessions"
"github.com/cgrates/cgrates/utils"
"github.com/cgrates/rpcclient"
)
// NewSessionService returns the Session Service
func NewSessionService() servmanager.Service {
return &SessionService{
connChan: make(chan rpcclient.RpcClientConnection, 1),
}
}
// SessionService implements Service interface
type SessionService struct {
sync.RWMutex
sm *sessions.SessionS
rpc *v1.SMGenericV1
rpcv1 *v1.SessionSv1
connChan chan rpcclient.RpcClientConnection
}
// Start should handle the sercive start
func (smg *SessionService) Start(sp servmanager.ServiceProvider, waitCache bool) (err error) {
if smg.IsRunning() {
return fmt.Errorf("service aleady running")
}
smg.Lock()
defer smg.Unlock()
var ralsConns, resSConns, threshSConns, statSConns, suplSConns, attrConns, cdrsConn, chargerSConn rpcclient.RpcClientConnection
if chargerSConn, err = sp.GetConnection(utils.ChargerS, sp.GetConfig().SessionSCfg().ChargerSConns); err != nil {
utils.Logger.Crit(fmt.Sprintf("<%s> Could not connect to %s: %s",
utils.SessionS, utils.ChargerS, err.Error()))
return
}
if ralsConns, err = sp.GetConnection(utils.ResponderS, sp.GetConfig().SessionSCfg().RALsConns); err != nil {
utils.Logger.Crit(fmt.Sprintf("<%s> Could not connect to %s: %s",
utils.SessionS, utils.ResponderS, err.Error()))
return
}
if resSConns, err = sp.GetConnection(utils.ResourceS, sp.GetConfig().SessionSCfg().ResSConns); err != nil {
utils.Logger.Crit(fmt.Sprintf("<%s> Could not connect to %s: %s",
utils.SessionS, utils.ResourceS, err.Error()))
return
}
if threshSConns, err = sp.GetConnection(utils.ThresholdS, sp.GetConfig().SessionSCfg().ThreshSConns); err != nil {
utils.Logger.Crit(fmt.Sprintf("<%s> Could not connect to %s: %s",
utils.SessionS, utils.ThresholdS, err.Error()))
return
}
if statSConns, err = sp.GetConnection(utils.StatS, sp.GetConfig().SessionSCfg().StatSConns); err != nil {
utils.Logger.Crit(fmt.Sprintf("<%s> Could not connect to %s: %s",
utils.SessionS, utils.StatS, err.Error()))
return
}
if suplSConns, err = sp.GetConnection(utils.SupplierS, sp.GetConfig().SessionSCfg().SupplSConns); err != nil {
utils.Logger.Crit(fmt.Sprintf("<%s> Could not connect to %s: %s",
utils.SessionS, utils.SupplierS, err.Error()))
return
}
if attrConns, err = sp.GetConnection(utils.AttributeS, sp.GetConfig().SessionSCfg().AttrSConns); err != nil {
utils.Logger.Crit(fmt.Sprintf("<%s> Could not connect to %s: %s",
utils.SessionS, utils.AttributeS, err.Error()))
return
}
if cdrsConn, err = sp.GetConnection(utils.CDRServer, sp.GetConfig().SessionSCfg().CDRsConns); err != nil {
utils.Logger.Crit(fmt.Sprintf("<%s> Could not connect to %s: %s",
utils.SessionS, utils.CDRServer, err.Error()))
return
}
sReplConns, err := sessions.NewSReplConns(sp.GetConfig().SessionSCfg().SessionReplicationConns,
sp.GetConfig().GeneralCfg().Reconnects, sp.GetConfig().GeneralCfg().ConnectTimeout,
sp.GetConfig().GeneralCfg().ReplyTimeout)
if err != nil {
utils.Logger.Crit(fmt.Sprintf("<%s> Could not connect to SMGReplicationConnection error: <%s>",
utils.SessionS, err.Error()))
return
}
smg.sm = sessions.NewSessionS(sp.GetConfig(), ralsConns, resSConns, threshSConns,
statSConns, suplSConns, attrConns, cdrsConn, chargerSConn,
sReplConns, sp.GetDM(), sp.GetConfig().GeneralCfg().DefaultTimezone)
//start sync session in a separate gorutine
go func(sm *sessions.SessionS) {
if err = sm.ListenAndServe(sp.GetExitChan()); err != nil {
utils.Logger.Err(fmt.Sprintf("<%s> error: %s!", utils.SessionS, err))
}
}(smg.sm)
// Pass internal connection via BiRPCClient
smg.connChan <- smg.sm
// Register RPC handler
smg.rpc = v1.NewSMGenericV1(smg.sm)
sp.GetServer().RpcRegister(smg.rpc)
smg.rpcv1 = v1.NewSessionSv1(smg.sm) // methods with multiple options
if !sp.GetConfig().DispatcherSCfg().Enabled {
sp.GetServer().RpcRegister(smg.rpcv1)
}
// Register BiRpc handlers
if sp.GetConfig().SessionSCfg().ListenBijson != "" {
for method, handler := range smg.rpc.Handlers() {
sp.GetServer().BiRPCRegisterName(method, handler)
}
for method, handler := range smg.rpcv1.Handlers() {
sp.GetServer().BiRPCRegisterName(method, handler)
}
// run this in it's own gorutine
go sp.GetServer().ServeBiJSON(sp.GetConfig().SessionSCfg().ListenBijson, smg.sm.OnBiJSONConnect, smg.sm.OnBiJSONDisconnect)
}
return
}
// GetIntenternalChan returns the internal connection chanel
func (smg *SessionService) GetIntenternalChan() (conn chan rpcclient.RpcClientConnection) {
return smg.connChan
}
// Reload handles the change of config
func (smg *SessionService) Reload(sp servmanager.ServiceProvider) (err error) {
var ralsConns, resSConns, threshSConns, statSConns, suplSConns, attrConns, cdrsConn, chargerSConn rpcclient.RpcClientConnection
if chargerSConn, err = sp.GetConnection(utils.ChargerS, sp.GetConfig().SessionSCfg().ChargerSConns); err != nil {
utils.Logger.Crit(fmt.Sprintf("<%s> Could not connect to %s: %s",
utils.SessionS, utils.ChargerS, err.Error()))
return
}
if ralsConns, err = sp.GetConnection(utils.ResponderS, sp.GetConfig().SessionSCfg().RALsConns); err != nil {
utils.Logger.Crit(fmt.Sprintf("<%s> Could not connect to %s: %s",
utils.SessionS, utils.ResponderS, err.Error()))
return
}
if resSConns, err = sp.GetConnection(utils.ResourceS, sp.GetConfig().SessionSCfg().ResSConns); err != nil {
utils.Logger.Crit(fmt.Sprintf("<%s> Could not connect to %s: %s",
utils.SessionS, utils.ResourceS, err.Error()))
return
}
if threshSConns, err = sp.GetConnection(utils.ThresholdS, sp.GetConfig().SessionSCfg().ThreshSConns); err != nil {
utils.Logger.Crit(fmt.Sprintf("<%s> Could not connect to %s: %s",
utils.SessionS, utils.ThresholdS, err.Error()))
return
}
if statSConns, err = sp.GetConnection(utils.StatS, sp.GetConfig().SessionSCfg().StatSConns); err != nil {
utils.Logger.Crit(fmt.Sprintf("<%s> Could not connect to %s: %s",
utils.SessionS, utils.StatS, err.Error()))
return
}
if suplSConns, err = sp.GetConnection(utils.SupplierS, sp.GetConfig().SessionSCfg().SupplSConns); err != nil {
utils.Logger.Crit(fmt.Sprintf("<%s> Could not connect to %s: %s",
utils.SessionS, utils.SupplierS, err.Error()))
return
}
if attrConns, err = sp.GetConnection(utils.AttributeS, sp.GetConfig().SessionSCfg().AttrSConns); err != nil {
utils.Logger.Crit(fmt.Sprintf("<%s> Could not connect to %s: %s",
utils.SessionS, utils.AttributeS, err.Error()))
return
}
if cdrsConn, err = sp.GetConnection(utils.CDRServer, sp.GetConfig().SessionSCfg().CDRsConns); err != nil {
utils.Logger.Crit(fmt.Sprintf("<%s> Could not connect to %s: %s",
utils.SessionS, utils.CDRServer, err.Error()))
return
}
sReplConns, err := sessions.NewSReplConns(sp.GetConfig().SessionSCfg().SessionReplicationConns,
sp.GetConfig().GeneralCfg().Reconnects, sp.GetConfig().GeneralCfg().ConnectTimeout,
sp.GetConfig().GeneralCfg().ReplyTimeout)
if err != nil {
utils.Logger.Crit(fmt.Sprintf("<%s> Could not connect to SMGReplicationConnection error: <%s>",
utils.SessionS, err.Error()))
return
}
smg.Lock()
smg.sm.SetAttributeSConnection(attrConns)
smg.sm.SetChargerSConnection(chargerSConn)
smg.sm.SetRALsConnection(ralsConns)
smg.sm.SetResourceSConnection(resSConns)
smg.sm.SetThresholSConnection(threshSConns)
smg.sm.SetStatSConnection(statSConns)
smg.sm.SetSupplierSConnection(suplSConns)
smg.sm.SetCDRSConnection(cdrsConn)
smg.sm.SetReplicationConnections(sReplConns)
smg.Unlock()
return
}
// Shutdown stops the service
func (smg *SessionService) Shutdown() (err error) {
smg.Lock()
defer smg.Unlock()
if err = smg.sm.Shutdown(); err != nil {
return
}
smg.sm = nil
smg.rpc = nil
smg.rpcv1 = nil
<-smg.connChan
return
}
// GetRPCInterface returns the interface to register for server
func (smg *SessionService) GetRPCInterface() interface{} {
return smg.sm
}
// IsRunning returns if the service is running
func (smg *SessionService) IsRunning() bool {
smg.RLock()
defer smg.RUnlock()
return smg != nil && smg.sm != nil
}
// ServiceName returns the service name
func (smg *SessionService) ServiceName() string {
return utils.SessionS
}