// Disconnects a session by sending hangup command to freeswitch
func (sm *FSSessionManager) DisconnectSession(ev engine.Event, connId, notify string) error {
if _, err := sm.conns[connId].SendApiCmd(fmt.Sprintf("uuid_setvar %s cgr_notify %s\n\n", ev.GetUUID(), notify)); err != nil {
utils.Logger.Err(fmt.Sprintf("<SM-FreeSWITCH> Could not send disconect api notification to freeswitch, error: <%s>, connId: %s", err.Error(), connId))
return err
}
if notify == INSUFFICIENT_FUNDS {
if len(sm.cfg.EmptyBalanceContext) != 0 {
if _, err := sm.conns[connId].SendApiCmd(fmt.Sprintf("uuid_transfer %s %s %s\n\n", ev.GetUUID(), ev.GetCallDestNr(utils.META_DEFAULT), sm.cfg.EmptyBalanceContext)); err != nil {
utils.Logger.Err(fmt.Sprintf("<SM-FreeSWITCH> Could not transfer the call to empty balance context, error: <%s>, connId: %s", err.Error(), connId))
return err
}
return nil
} else if len(sm.cfg.EmptyBalanceAnnFile) != 0 {
if _, err := sm.conns[connId].SendApiCmd(fmt.Sprintf("uuid_broadcast %s playback!manager_request::%s aleg\n\n", ev.GetUUID(), sm.cfg.EmptyBalanceAnnFile)); err != nil {
utils.Logger.Err(fmt.Sprintf("<SM-FreeSWITCH> Could not send uuid_broadcast to freeswitch, error: <%s>, connId: %s", err.Error(), connId))
return err
}
return nil
}
}
if err := sm.conns[connId].SendMsgCmd(ev.GetUUID(), map[string]string{"call-command": "hangup", "hangup-cause": "MANAGER_REQUEST"}); err != nil {
utils.Logger.Err(fmt.Sprintf("<SM-FreeSWITCH> Could not send disconect msg to freeswitch, error: <%s>, connId: %s", err.Error(), connId))
return err
}
return nil
}
func (sm *FSSessionManager) onChannelHangupComplete(ev engine.Event) {
if ev.GetReqType(utils.META_DEFAULT) == utils.META_NONE { // Do not process this request
return
}
var s *Session
for i := 0; i < 2; i++ { // Protect us against concurrency, wait a couple of seconds for the answer to be populated before we process hangup
s = sm.sessions.getSession(ev.GetUUID())
if s != nil {
break
}
time.Sleep(time.Duration(i+1) * time.Second)
}
if s != nil { // Handled by us, cleanup here
if err := sm.sessions.removeSession(s, ev); err != nil {
utils.Logger.Err(err.Error())
}
}
if sm.cfg.CreateCdr {
sm.ProcessCdr(ev.AsStoredCdr(config.CgrConfig().DefaultTimezone))
}
var reply string
attrRU := utils.AttrRLsResourceUsage{
ResourceUsageID: ev.GetUUID(),
Event: ev.(FSEvent).AsMapStringInterface(sm.timezone),
RequestedUnits: 1,
}
if sm.rls != nil {
if err := sm.rls.Call("RLsV1.TerminateResourceUsage", attrRU, &reply); err != nil {
utils.Logger.Err(fmt.Sprintf("<SM-FreeSWITCH> RLs API error: %s", err.Error()))
}
}
}
func (sm *FSSessionManager) onChannelHangupComplete(ev engine.Event) {
if ev.GetReqType(utils.META_DEFAULT) == utils.META_NONE { // Do not process this request
return
}
var s *Session
for i := 0; i < 2; i++ { // Protect us against concurrency, wait a couple of seconds for the answer to be populated before we process hangup
s = sm.sessions.getSession(ev.GetUUID())
if s != nil {
break
}
time.Sleep(time.Duration(i+1) * time.Second)
}
if s != nil { // Handled by us, cleanup here
if err := sm.sessions.removeSession(s, ev); err != nil {
utils.Logger.Err(err.Error())
}
}
if sm.cfg.CreateCdr {
sm.ProcessCdr(ev.AsStoredCdr(config.CgrConfig().DefaultTimezone))
}
}
func (sm *FSSessionManager) onChannelHangupComplete(ev engine.Event) {
if ev.GetReqType(utils.META_DEFAULT) == utils.META_NONE { // Do not process this request
return
}
if sm.cfg.CreateCdr {
go sm.ProcessCdr(ev.AsStoredCdr(config.CgrConfig().DefaultTimezone))
}
var s *Session
for i := 0; i < 2; i++ { // Protect us against concurrency, wait a couple of seconds for the answer to be populated before we process hangup
s = sm.GetSession(ev.GetUUID())
if s != nil {
break
}
time.Sleep(time.Duration(i+1) * time.Second)
}
if s == nil { // Not handled by us
return
}
sm.RemoveSession(s.eventStart.GetUUID()) // Unreference it early so we avoid concurrency
if err := s.Close(ev); err != nil { // Stop loop, refund advanced charges and save the costs deducted so far to database
utils.Logger.Err(err.Error())
}
}
func (sm *FSSessionManager) onChannelPark(ev engine.Event, connId string) {
fsev := ev.(FSEvent)
if ev.GetReqType(utils.META_DEFAULT) == utils.META_NONE || fsev[IGNOREPARK] == "true" { // Do not process this request
return
}
var maxCallDuration float64 // This will be the maximum duration this channel will be allowed to last
if err := sm.rater.GetDerivedMaxSessionTime(ev.AsStoredCdr(config.CgrConfig().DefaultTimezone), &maxCallDuration); err != nil {
utils.Logger.Err(fmt.Sprintf("<SM-FreeSWITCH> Could not get max session time for %s, error: %s", ev.GetUUID(), err.Error()))
}
if maxCallDuration != -1 { // For calls different than unlimited, set limits
maxCallDur := time.Duration(maxCallDuration)
if maxCallDur <= sm.cfg.MinCallDuration {
//utils.Logger.Info(fmt.Sprintf("Not enough credit for trasferring the call %s for %s.", ev.GetUUID(), cd.GetKey(cd.Subject)))
sm.unparkCall(ev.GetUUID(), connId, ev.GetCallDestNr(utils.META_DEFAULT), INSUFFICIENT_FUNDS)
return
}
sm.setMaxCallDuration(ev.GetUUID(), connId, maxCallDur)
}
// ComputeLcr
if ev.ComputeLcr() {
cd, err := fsev.AsCallDescriptor()
if err != nil {
utils.Logger.Info(fmt.Sprintf("<SM-FreeSWITCH> LCR_PREPROCESS_ERROR: %s", err.Error()))
sm.unparkCall(ev.GetUUID(), connId, ev.GetCallDestNr(utils.META_DEFAULT), SYSTEM_ERROR)
return
}
var lcr engine.LCRCost
if err = sm.Rater().GetLCR(&engine.AttrGetLcr{CallDescriptor: cd}, &lcr); err != nil {
utils.Logger.Info(fmt.Sprintf("<SM-FreeSWITCH> LCR_API_ERROR: %s", err.Error()))
sm.unparkCall(ev.GetUUID(), connId, ev.GetCallDestNr(utils.META_DEFAULT), SYSTEM_ERROR)
}
if lcr.HasErrors() {
lcr.LogErrors()
sm.unparkCall(ev.GetUUID(), connId, ev.GetCallDestNr(utils.META_DEFAULT), SYSTEM_ERROR)
return
}
if supps, err := lcr.SuppliersSlice(); err != nil {
utils.Logger.Info(fmt.Sprintf("<SM-FreeSWITCH> LCR_ERROR: %s", err.Error()))
sm.unparkCall(ev.GetUUID(), connId, ev.GetCallDestNr(utils.META_DEFAULT), SYSTEM_ERROR)
return
} else {
fsArray := SliceAsFsArray(supps)
if _, err = sm.conns[connId].SendApiCmd(fmt.Sprintf("uuid_setvar %s %s %s\n\n", ev.GetUUID(), utils.CGR_SUPPLIERS, fsArray)); err != nil {
utils.Logger.Info(fmt.Sprintf("<SM-FreeSWITCH> LCR_ERROR: %s", err.Error()))
sm.unparkCall(ev.GetUUID(), connId, ev.GetCallDestNr(utils.META_DEFAULT), SYSTEM_ERROR)
}
}
}
sm.unparkCall(ev.GetUUID(), connId, ev.GetCallDestNr(utils.META_DEFAULT), AUTH_OK)
}
// Queries LCR and sets the cgr_lcr channel variable
func (sm *FSSessionManager) setCgrLcr(ev engine.Event, connId string) error {
var lcrCost engine.LCRCost
startTime, err := ev.GetSetupTime(utils.META_DEFAULT, sm.timezone)
if err != nil {
return err
}
cd := &engine.CallDescriptor{
Direction: ev.GetDirection(utils.META_DEFAULT),
Tenant: ev.GetTenant(utils.META_DEFAULT),
Category: ev.GetCategory(utils.META_DEFAULT),
Subject: ev.GetSubject(utils.META_DEFAULT),
Account: ev.GetAccount(utils.META_DEFAULT),
Destination: ev.GetDestination(utils.META_DEFAULT),
TimeStart: startTime,
TimeEnd: startTime.Add(config.CgrConfig().MaxCallDuration),
}
if err := sm.rater.GetLCR(&engine.AttrGetLcr{CallDescriptor: cd}, &lcrCost); err != nil {
return err
}
supps := []string{}
for _, supplCost := range lcrCost.SupplierCosts {
if dtcs, err := utils.NewDTCSFromRPKey(supplCost.Supplier); err != nil {
return err
} else if len(dtcs.Subject) != 0 {
supps = append(supps, dtcs.Subject)
}
}
fsArray := SliceAsFsArray(supps)
if _, err = sm.conns[connId].SendApiCmd(fmt.Sprintf("uuid_setvar %s cgr_notify %s\n\n", ev.GetUUID(), fsArray)); err != nil {
return err
}
return nil
}