httptransport "github.com/go-openapi/runtime/client"
"github.com/go-openapi/strfmt"
"github.com/gorilla/mux"
+ "github.com/segmentio/ksuid"
"github.com/spf13/viper"
)
var retval string = ""
var filler string = ""
for _, entry := range entries {
- retval += filler + entry.String()
- filler = " "
+ if entry != nil {
+ retval += filler + entry.String()
+ filler = " "
+ } else {
+ retval += filler + "(NIL)"
+ }
}
if err != nil {
retval += filler + "err(" + err.Error() + ")"
filler = " "
-
}
return retval
}
var e2tSubReqTimeout time.Duration
var e2tSubDelReqTime time.Duration
var e2tRecvMsgTimeout time.Duration
+var waitRouteCleanup_ms time.Duration
var e2tMaxSubReqTryCount uint64 // Initial try + retry
var e2tMaxSubDelReqTryCount uint64 // Initial try + retry
var readSubsFromDb string
+var restDuplicateCtrl duplicateCtrl
type Control struct {
*xapp.RMRClient
- e2ap *E2ap
- registry *Registry
- tracker *Tracker
- db Sdlnterface
- //subscriber *xapp.Subscriber
+ e2ap *E2ap
+ registry *Registry
+ tracker *Tracker
+ e2SubsDb Sdlnterface
+ restSubsDb Sdlnterface
CntRecvMsg uint64
ResetTestFlag bool
+ Counters map[string]xapp.Counter
+ LoggerLevel uint32
}
type RMRMeid struct {
func NewControl() *Control {
- ReadConfigParameters()
transport := httptransport.New(viper.GetString("rtmgr.HostAddr")+":"+viper.GetString("rtmgr.port"), viper.GetString("rtmgr.baseUrl"), []string{"http"})
rtmgrClient := RtmgrClient{rtClient: rtmgrclient.New(transport, strfmt.Default)}
tracker := new(Tracker)
tracker.Init()
- //subscriber := xapp.NewSubscriber(viper.GetString("subscription.host"), viper.GetInt("subscription.timeout"))
-
c := &Control{e2ap: new(E2ap),
- registry: registry,
- tracker: tracker,
- db: CreateSdl(),
- //subscriber: subscriber,
+ registry: registry,
+ tracker: tracker,
+ e2SubsDb: CreateSdl(),
+ restSubsDb: CreateRESTSdl(),
+ Counters: xapp.Metric.RegisterCounterGroup(GetMetricsOpts(), "SUBMGR"),
+ LoggerLevel: 3,
}
+ c.ReadConfigParameters("")
// Register REST handler for testing support
xapp.Resource.InjectRoute("/ric/v1/test/{testId}", c.TestRestHandler, "POST")
+ xapp.Resource.InjectRoute("/ric/v1/symptomdata", c.SymptomDataHandler, "GET")
- go xapp.Subscription.Listen(c.SubscriptionHandler, c.QueryHandler, c.SubscriptionDeleteHandler)
- //go c.subscriber.Listen(c.SubscriptionHandler, c.QueryHandler)
+ go xapp.Subscription.Listen(c.SubscriptionHandler, c.QueryHandler, c.SubscriptionDeleteHandlerCB)
if readSubsFromDb == "false" {
return c
}
+ restDuplicateCtrl.Init()
+
// Read subscriptions from db
xapp.Logger.Info("Reading subscriptions from db")
subIds, register, err := c.ReadAllSubscriptionsFromSdl()
c.registry.register = register
c.HandleUncompletedSubscriptions(register)
}
+
+ restSubscriptions, err := c.ReadAllRESTSubscriptionsFromSdl()
+ if err != nil {
+ xapp.Logger.Error("%v", err)
+ } else {
+ c.registry.restSubscriptions = restSubscriptions
+ }
return c
}
+func (c *Control) SymptomDataHandler(w http.ResponseWriter, r *http.Request) {
+ subscriptions, _ := c.registry.QueryHandler()
+ xapp.Resource.SendSymptomDataJson(w, r, subscriptions, "platform/subscriptions.json")
+}
+
//-------------------------------------------------------------------
//
//-------------------------------------------------------------------
-func ReadConfigParameters() {
+func (c *Control) ReadConfigParameters(f string) {
// viper.GetDuration returns nanoseconds
e2tSubReqTimeout = viper.GetDuration("controls.e2tSubReqTimeout_ms") * 1000000
e2tRecvMsgTimeout = 2000 * 1000000
}
xapp.Logger.Info("e2tRecvMsgTimeout %v", e2tRecvMsgTimeout)
+
+ // Internal cfg parameter, used to define a wait time for RMR route clean-up. None default
+ // value 100ms used currently only in unittests.
+ waitRouteCleanup_ms = viper.GetDuration("controls.waitRouteCleanup_ms") * 1000000
+ if waitRouteCleanup_ms == 0 {
+ waitRouteCleanup_ms = 5000 * 1000000
+ }
+ xapp.Logger.Info("waitRouteCleanup %v", waitRouteCleanup_ms)
+
e2tMaxSubReqTryCount = viper.GetUint64("controls.e2tMaxSubReqTryCount")
if e2tMaxSubReqTryCount == 0 {
e2tMaxSubReqTryCount = 1
}
xapp.Logger.Info("e2tMaxSubReqTryCount %v", e2tMaxSubReqTryCount)
+
e2tMaxSubDelReqTryCount = viper.GetUint64("controls.e2tMaxSubDelReqTryCount")
if e2tMaxSubDelReqTryCount == 0 {
e2tMaxSubDelReqTryCount = 1
readSubsFromDb = "true"
}
xapp.Logger.Info("readSubsFromDb %v", readSubsFromDb)
+ c.LoggerLevel = viper.GetUint32("logger.level")
+ if c.LoggerLevel == 0 {
+ c.LoggerLevel = 3
+ }
}
//-------------------------------------------------------------------
func (c *Control) Run() {
xapp.SetReadyCB(c.ReadyCB, nil)
+ xapp.AddConfigChangeListener(c.ReadConfigParameters)
xapp.Run(c)
}
//-------------------------------------------------------------------
//
//-------------------------------------------------------------------
-func (c *Control) SubscriptionHandler(stype models.SubscriptionType, params interface{}) (*models.SubscriptionResponse, error) {
- /*
- switch p := params.(type) {
- case *models.ReportParams:
- trans := c.tracker.NewXappTransaction(NewRmrEndpoint(p.ClientEndpoint),"" , 0, &xapp.RMRMeid{RanName: p.Meid})
- if trans == nil {
- xapp.Logger.Error("XAPP-SubReq: %s", idstring(fmt.Errorf("transaction not created"), params))
- return
- }
- defer trans.Release()
- case *models.ControlParams:
- case *models.PolicyParams:
- }
- */
- return &models.SubscriptionResponse{}, fmt.Errorf("Subscription rest interface not implemented")
-}
-
-func (c *Control) SubscriptionDeleteHandler(s string) error {
+func (c *Control) GetOrCreateRestSubscription(p *models.SubscriptionParams, md5sum string, xAppRmrEndpoint string) (*RESTSubscription, string, error) {
+
+ var restSubId string
+ var restSubscription *RESTSubscription
+ var err error
+
+ prevRestSubsId, exists := restDuplicateCtrl.GetLastKnownRestSubsIdBasedOnMd5sum(md5sum)
+ if p.SubscriptionID == "" {
+ if exists {
+ restSubscription, err = c.registry.GetRESTSubscription(prevRestSubsId, false)
+ if restSubscription != nil {
+ restSubId = prevRestSubsId
+ if err == nil {
+ xapp.Logger.Info("Existing restSubId %s found by MD5sum %s for a request without subscription ID - using previous subscription", prevRestSubsId, md5sum)
+ } else {
+ xapp.Logger.Info("Existing restSubId %s found by MD5sum %s for a request without subscription ID - Note: %s", prevRestSubsId, md5sum, err.Error())
+ }
+ } else {
+ xapp.Logger.Info("None existing restSubId %s referred by MD5sum %s for a request without subscription ID - deleting cached entry", prevRestSubsId, md5sum)
+ restDuplicateCtrl.DeleteLastKnownRestSubsIdBasedOnMd5sum(md5sum)
+ }
+ }
+
+ if restSubscription == nil {
+ restSubId = ksuid.New().String()
+ restSubscription, err = c.registry.CreateRESTSubscription(&restSubId, &xAppRmrEndpoint, p.Meid)
+ if err != nil {
+ xapp.Logger.Error("%s", err.Error())
+ c.UpdateCounter(cRestSubFailToXapp)
+ return nil, "", err
+ }
+ }
+ } else {
+ restSubId = p.SubscriptionID
+
+ xapp.Logger.Info("RestSubscription ID %s provided via REST request", restSubId)
+
+ restSubscription, err = c.registry.GetRESTSubscription(restSubId, false)
+ if err != nil {
+ xapp.Logger.Error("%s", err.Error())
+ c.UpdateCounter(cRestSubFailToXapp)
+ return nil, "", err
+ }
+
+ if !exists {
+ xapp.Logger.Info("Existing restSubscription found for ID %s, new request based on md5sum", restSubId)
+ } else {
+ xapp.Logger.Info("Existing restSubscription found for ID %s(%s), re-transmission based on md5sum match with previous request", prevRestSubsId, restSubId)
+ }
+ }
+
+ return restSubscription, restSubId, nil
+}
+
+//-------------------------------------------------------------------
+//
+//-------------------------------------------------------------------
+func (c *Control) SubscriptionHandler(params interface{}) (*models.SubscriptionResponse, error) {
+
+ c.CntRecvMsg++
+ c.UpdateCounter(cRestSubReqFromXapp)
+
+ subResp := models.SubscriptionResponse{}
+ p := params.(*models.SubscriptionParams)
+
+ if c.LoggerLevel > 2 {
+ c.PrintRESTSubscriptionRequest(p)
+ }
+
+ if p.ClientEndpoint == nil {
+ xapp.Logger.Error("ClientEndpoint == nil")
+ c.UpdateCounter(cRestSubFailToXapp)
+ return nil, fmt.Errorf("")
+ }
+
+ _, xAppRmrEndpoint, err := ConstructEndpointAddresses(*p.ClientEndpoint)
+ if err != nil {
+ xapp.Logger.Error("%s", err.Error())
+ c.UpdateCounter(cRestSubFailToXapp)
+ return nil, err
+ }
+
+ md5sum, err := CalculateRequestMd5sum(params)
+ if err != nil {
+ xapp.Logger.Error("Failed to generate md5sum from incoming request - %s", err.Error())
+ }
+
+ restSubscription, restSubId, err := c.GetOrCreateRestSubscription(p, md5sum, xAppRmrEndpoint)
+ if err != nil {
+ xapp.Logger.Error("Failed to get/allocate REST subscription")
+ return nil, err
+ }
+
+ subResp.SubscriptionID = &restSubId
+ subReqList := e2ap.SubscriptionRequestList{}
+ err = c.e2ap.FillSubscriptionReqMsgs(params, &subReqList, restSubscription)
+ if err != nil {
+ xapp.Logger.Error("%s", err.Error())
+ restDuplicateCtrl.DeleteLastKnownRestSubsIdBasedOnMd5sum(md5sum)
+ c.registry.DeleteRESTSubscription(&restSubId)
+ c.UpdateCounter(cRestSubFailToXapp)
+ return nil, err
+ }
+
+ duplicate := restDuplicateCtrl.IsDuplicateToOngoingTransaction(restSubId, md5sum)
+ if duplicate {
+ xapp.Logger.Info("Retransmission blocker direct ACK for request of restSubsId %s restSubId MD5sum %s as retransmission", restSubId, md5sum)
+ c.UpdateCounter(cRestSubRespToXapp)
+ return &subResp, nil
+ }
+
+ go c.processSubscriptionRequests(restSubscription, &subReqList, p.ClientEndpoint, p.Meid, &restSubId, xAppRmrEndpoint, md5sum)
+
+ c.UpdateCounter(cRestSubRespToXapp)
+ return &subResp, nil
+}
+
+//-------------------------------------------------------------------
+//
+//-------------------------------------------------------------------
+
+func (c *Control) processSubscriptionRequests(restSubscription *RESTSubscription, subReqList *e2ap.SubscriptionRequestList,
+ clientEndpoint *models.SubscriptionParamsClientEndpoint, meid *string, restSubId *string, xAppRmrEndpoint string, md5sum string) {
+
+ xapp.Logger.Info("Subscription Request count=%v ", len(subReqList.E2APSubscriptionRequests))
+
+ var xAppEventInstanceID int64
+ var e2EventInstanceID int64
+
+ defer restDuplicateCtrl.SetMd5sumFromLastOkRequest(*restSubId, md5sum)
+
+ for index := 0; index < len(subReqList.E2APSubscriptionRequests); index++ {
+ subReqMsg := subReqList.E2APSubscriptionRequests[index]
+ xAppEventInstanceID = (int64)(subReqMsg.RequestId.Id)
+
+ trans := c.tracker.NewXappTransaction(xapp.NewRmrEndpoint(xAppRmrEndpoint), *restSubId, subReqMsg.RequestId, &xapp.RMRMeid{RanName: *meid})
+ if trans == nil {
+ // Send notification to xApp that prosessing of a Subscription Request has failed.
+ err := fmt.Errorf("Tracking failure")
+ c.sendUnsuccesfullResponseNotification(restSubId, restSubscription, xAppEventInstanceID, err, clientEndpoint, trans)
+ continue
+ }
+
+ xapp.Logger.Info("Handle SubscriptionRequest index=%v, %s", index, idstring(nil, trans))
+
+ subRespMsg, err := c.handleSubscriptionRequest(trans, &subReqMsg, meid, *restSubId)
+
+ xapp.Logger.Info("Handled SubscriptionRequest index=%v, %s", index, idstring(nil, trans))
+
+ if err != nil {
+ c.sendUnsuccesfullResponseNotification(restSubId, restSubscription, xAppEventInstanceID, err, clientEndpoint, trans)
+ } else {
+ e2EventInstanceID = (int64)(subRespMsg.RequestId.InstanceId)
+ restSubscription.AddMd5Sum(md5sum)
+ xapp.Logger.Info("SubscriptionRequest index=%v processed successfullyfor %s. endpoint=%v:%v, XappEventInstanceID=%v, E2EventInstanceID=%v, %s",
+ index, *restSubId, clientEndpoint.Host, *clientEndpoint.HTTPPort, xAppEventInstanceID, e2EventInstanceID, idstring(nil, trans))
+ c.sendSuccesfullResponseNotification(restSubId, restSubscription, xAppEventInstanceID, e2EventInstanceID, clientEndpoint, trans)
+ }
+ trans.Release()
+ }
+}
+
+//-------------------------------------------------------------------
+//
+//------------------------------------------------------------------
+func (c *Control) handleSubscriptionRequest(trans *TransactionXapp, subReqMsg *e2ap.E2APSubscriptionRequest, meid *string,
+ restSubId string) (*e2ap.E2APSubscriptionResponse, error) {
+
+ err := c.tracker.Track(trans)
+ if err != nil {
+ xapp.Logger.Error("XAPP-SubReq Tracking error: %s", idstring(err, trans))
+ err = fmt.Errorf("Tracking failure")
+ return nil, err
+ }
+
+ subs, err := c.registry.AssignToSubscription(trans, subReqMsg, c.ResetTestFlag, c)
+ if err != nil {
+ xapp.Logger.Error("XAPP-SubReq Assign error: %s", idstring(err, trans))
+ return nil, err
+ }
+
+ //
+ // Wake subs request
+ //
+ go c.handleSubscriptionCreate(subs, trans)
+ event, _ := trans.WaitEvent(0) //blocked wait as timeout is handled in subs side
+
+ err = nil
+ if event != nil {
+ switch themsg := event.(type) {
+ case *e2ap.E2APSubscriptionResponse:
+ trans.Release()
+ return themsg, nil
+ case *e2ap.E2APSubscriptionFailure:
+ err = fmt.Errorf("E2 SubscriptionFailure received")
+ return nil, err
+ default:
+ err = fmt.Errorf("unexpected E2 subscription response received")
+ break
+ }
+ } else {
+ err = fmt.Errorf("E2 subscription response timeout")
+ }
+
+ xapp.Logger.Error("XAPP-SubReq E2 subscription failed %s", idstring(err, trans, subs))
+ c.registry.RemoveFromSubscription(subs, trans, waitRouteCleanup_ms, c)
+ return nil, err
+}
+
+//-------------------------------------------------------------------
+//
+//-------------------------------------------------------------------
+func (c *Control) sendUnsuccesfullResponseNotification(restSubId *string, restSubscription *RESTSubscription, xAppEventInstanceID int64, err error,
+ clientEndpoint *models.SubscriptionParamsClientEndpoint, trans *TransactionXapp) {
+
+ // Send notification to xApp that prosessing of a Subscription Request has failed.
+ e2EventInstanceID := (int64)(0)
+ errorCause := err.Error()
+ resp := &models.SubscriptionResponse{
+ SubscriptionID: restSubId,
+ SubscriptionInstances: []*models.SubscriptionInstance{
+ &models.SubscriptionInstance{E2EventInstanceID: &e2EventInstanceID,
+ ErrorCause: &errorCause,
+ XappEventInstanceID: &xAppEventInstanceID},
+ },
+ }
+ // Mark REST subscription request processed.
+ restSubscription.SetProcessed(err)
+ c.UpdateRESTSubscriptionInDB(*restSubId, restSubscription, false)
+ if trans != nil {
+ xapp.Logger.Info("Sending unsuccessful REST notification (cause %s) to endpoint=%v:%v, XappEventInstanceID=%v, E2EventInstanceID=%v, %s",
+ errorCause, clientEndpoint.Host, *clientEndpoint.HTTPPort, xAppEventInstanceID, e2EventInstanceID, idstring(nil, trans))
+ } else {
+ xapp.Logger.Info("Sending unsuccessful REST notification (cause %s) to endpoint=%v:%v, XappEventInstanceID=%v, E2EventInstanceID=%v",
+ errorCause, clientEndpoint.Host, *clientEndpoint.HTTPPort, xAppEventInstanceID, e2EventInstanceID)
+ }
+
+ c.UpdateCounter(cRestSubFailNotifToXapp)
+ xapp.Subscription.Notify(resp, *clientEndpoint)
+}
+
+//-------------------------------------------------------------------
+//
+//-------------------------------------------------------------------
+func (c *Control) sendSuccesfullResponseNotification(restSubId *string, restSubscription *RESTSubscription, xAppEventInstanceID int64, e2EventInstanceID int64,
+ clientEndpoint *models.SubscriptionParamsClientEndpoint, trans *TransactionXapp) {
+
+ // Store successfully processed InstanceId for deletion
+ restSubscription.AddE2InstanceId((uint32)(e2EventInstanceID))
+ restSubscription.AddXappIdToE2Id(xAppEventInstanceID, e2EventInstanceID)
+
+ // Send notification to xApp that a Subscription Request has been processed.
+ resp := &models.SubscriptionResponse{
+ SubscriptionID: restSubId,
+ SubscriptionInstances: []*models.SubscriptionInstance{
+ &models.SubscriptionInstance{E2EventInstanceID: &e2EventInstanceID,
+ ErrorCause: nil,
+ XappEventInstanceID: &xAppEventInstanceID},
+ },
+ }
+ // Mark REST subscription request processesd.
+ restSubscription.SetProcessed(nil)
+ c.UpdateRESTSubscriptionInDB(*restSubId, restSubscription, false)
+ xapp.Logger.Info("Sending successful REST notification to endpoint=%v:%v, XappEventInstanceID=%v, E2EventInstanceID=%v, %s",
+ clientEndpoint.Host, *clientEndpoint.HTTPPort, xAppEventInstanceID, e2EventInstanceID, idstring(nil, trans))
+
+ c.UpdateCounter(cRestSubNotifToXapp)
+ xapp.Subscription.Notify(resp, *clientEndpoint)
+}
+
+//-------------------------------------------------------------------
+//
+//-------------------------------------------------------------------
+func (c *Control) SubscriptionDeleteHandlerCB(restSubId string) error {
+
+ c.CntRecvMsg++
+ c.UpdateCounter(cRestSubDelReqFromXapp)
+
+ xapp.Logger.Info("SubscriptionDeleteRequest from XAPP")
+
+ restSubscription, err := c.registry.GetRESTSubscription(restSubId, true)
+ if err != nil {
+ xapp.Logger.Error("%s", err.Error())
+ if restSubscription == nil {
+ // Subscription was not found
+ return nil
+ } else {
+ if restSubscription.SubReqOngoing == true {
+ err := fmt.Errorf("Handling of the REST Subscription Request still ongoing %s", restSubId)
+ xapp.Logger.Error("%s", err.Error())
+ return err
+ } else if restSubscription.SubDelReqOngoing == true {
+ // Previous request for same restSubId still ongoing
+ return nil
+ }
+ }
+ }
+
+ xAppRmrEndPoint := restSubscription.xAppRmrEndPoint
+ go func() {
+ xapp.Logger.Info("Deleteting instances = %v", restSubscription.InstanceIds)
+ for _, instanceId := range restSubscription.InstanceIds {
+ xAppEventInstanceID, err := c.SubscriptionDeleteHandler(&restSubId, &xAppRmrEndPoint, &restSubscription.Meid, instanceId)
+
+ if err != nil {
+ xapp.Logger.Error("%s", err.Error())
+ //return err
+ }
+ xapp.Logger.Info("Deleteting instanceId = %v", instanceId)
+ restSubscription.DeleteXappIdToE2Id(xAppEventInstanceID)
+ restSubscription.DeleteE2InstanceId(instanceId)
+ }
+ restDuplicateCtrl.DeleteLastKnownRestSubsIdBasedOnMd5sum(restSubscription.lastReqMd5sum)
+ c.registry.DeleteRESTSubscription(&restSubId)
+ c.RemoveRESTSubscriptionFromDb(restSubId)
+ }()
+
+ c.UpdateCounter(cRestSubDelRespToXapp)
+
return nil
}
+//-------------------------------------------------------------------
+//
+//-------------------------------------------------------------------
+func (c *Control) SubscriptionDeleteHandler(restSubId *string, endPoint *string, meid *string, instanceId uint32) (int64, error) {
+
+ var xAppEventInstanceID int64
+ subs, err := c.registry.GetSubscriptionFirstMatch([]uint32{instanceId})
+ if err != nil {
+ xapp.Logger.Info("Subscription Delete Handler subscription for restSubId=%v, E2EventInstanceID=%v not found %s",
+ restSubId, instanceId, idstring(err, nil))
+ return xAppEventInstanceID, nil
+ }
+
+ xAppEventInstanceID = int64(subs.ReqId.Id)
+ trans := c.tracker.NewXappTransaction(xapp.NewRmrEndpoint(*endPoint), *restSubId, e2ap.RequestId{subs.ReqId.Id, 0}, &xapp.RMRMeid{RanName: *meid})
+ if trans == nil {
+ err := fmt.Errorf("XAPP-SubDelReq transaction not created. restSubId %s, endPoint %s, meid %s, instanceId %v", *restSubId, *endPoint, *meid, instanceId)
+ xapp.Logger.Error("%s", err.Error())
+ }
+ defer trans.Release()
+
+ err = c.tracker.Track(trans)
+ if err != nil {
+ err := fmt.Errorf("XAPP-SubDelReq %s:", idstring(err, trans))
+ xapp.Logger.Error("%s", err.Error())
+ return xAppEventInstanceID, &time.ParseError{}
+ }
+ //
+ // Wake subs delete
+ //
+ go c.handleSubscriptionDelete(subs, trans)
+ trans.WaitEvent(0) //blocked wait as timeout is handled in subs side
+
+ xapp.Logger.Debug("XAPP-SubDelReq: Handling event %s ", idstring(nil, trans, subs))
+
+ c.registry.RemoveFromSubscription(subs, trans, waitRouteCleanup_ms, c)
+
+ return xAppEventInstanceID, nil
+}
+
+//-------------------------------------------------------------------
+//
+//-------------------------------------------------------------------
func (c *Control) QueryHandler() (models.SubscriptionList, error) {
+ xapp.Logger.Info("QueryHandler() called")
+
+ c.CntRecvMsg++
+
return c.registry.QueryHandler()
}
func (c *Control) TestRestHandler(w http.ResponseWriter, r *http.Request) {
-
xapp.Logger.Info("TestRestHandler() called")
pathParams := mux.Vars(r)
if s == "emptydb" {
xapp.Logger.Info("RemoveAllSubscriptionsFromSdl() called")
c.RemoveAllSubscriptionsFromSdl()
+ c.RemoveAllRESTSubscriptionsFromSdl()
return
}
params.Payload = trans.Payload.Buf
params.Mbuf = nil
xapp.Logger.Info("MSG to E2T: %s %s %s", desc, trans.String(), params.String())
- return c.SendWithRetry(params, false, 5)
+ err = c.SendWithRetry(params, false, 5)
+ if err != nil {
+ xapp.Logger.Error("rmrSendToE2T: Send failed: %+v", err)
+ }
+ return err
}
func (c *Control) rmrSendToXapp(desc string, subs *Subscription, trans *TransactionXapp) (err error) {
params.Payload = trans.Payload.Buf
params.Mbuf = nil
xapp.Logger.Info("MSG to XAPP: %s %s %s", desc, trans.String(), params.String())
- return c.SendWithRetry(params, false, 5)
+ err = c.SendWithRetry(params, false, 5)
+ if err != nil {
+ xapp.Logger.Error("rmrSendToXapp: Send failed: %+v", err)
+ }
+ return err
}
func (c *Control) Consume(msg *xapp.RMRParams) (err error) {
//------------------------------------------------------------------
func (c *Control) handleXAPPSubscriptionRequest(params *xapp.RMRParams) {
xapp.Logger.Info("MSG from XAPP: %s", params.String())
+ c.UpdateCounter(cSubReqFromXapp)
subReqMsg, err := c.e2ap.UnpackSubscriptionRequest(params.Payload)
if err != nil {
return
}
- trans := c.tracker.NewXappTransaction(xapp.NewRmrEndpoint(params.Src), params.Xid, subReqMsg.RequestId.InstanceId, params.Meid)
+ trans := c.tracker.NewXappTransaction(xapp.NewRmrEndpoint(params.Src), params.Xid, subReqMsg.RequestId, params.Meid)
if trans == nil {
xapp.Logger.Error("XAPP-SubReq: %s", idstring(fmt.Errorf("transaction not created"), params))
return
}
defer trans.Release()
- err = c.tracker.Track(trans)
- if err != nil {
+ if err = c.tracker.Track(trans); err != nil {
xapp.Logger.Error("XAPP-SubReq: %s", idstring(err, trans))
return
}
//TODO handle subscription toward e2term inside AssignToSubscription / hide handleSubscriptionCreate in it?
- subs, err := c.registry.AssignToSubscription(trans, subReqMsg, c.ResetTestFlag)
+ subs, err := c.registry.AssignToSubscription(trans, subReqMsg, c.ResetTestFlag, c)
if err != nil {
xapp.Logger.Error("XAPP-SubReq: %s", idstring(err, trans))
return
}
- //
- // Wake subs request
- //
+ c.wakeSubscriptionRequest(subs, trans)
+}
+
+//-------------------------------------------------------------------
+// Wake Subscription Request to E2node
+//------------------------------------------------------------------
+func (c *Control) wakeSubscriptionRequest(subs *Subscription, trans *TransactionXapp) {
+
go c.handleSubscriptionCreate(subs, trans)
event, _ := trans.WaitEvent(0) //blocked wait as timeout is handled in subs side
- err = nil
+ var err error
if event != nil {
switch themsg := event.(type) {
case *e2ap.E2APSubscriptionResponse:
+ themsg.RequestId.Id = trans.RequestId.Id
trans.Mtype, trans.Payload, err = c.e2ap.PackSubscriptionResponse(themsg)
if err == nil {
trans.Release()
+ c.UpdateCounter(cSubRespToXapp)
c.rmrSendToXapp("", subs, trans)
return
}
case *e2ap.E2APSubscriptionFailure:
+ themsg.RequestId.Id = trans.RequestId.Id
trans.Mtype, trans.Payload, err = c.e2ap.PackSubscriptionFailure(themsg)
if err == nil {
+ c.UpdateCounter(cSubFailToXapp)
c.rmrSendToXapp("", subs, trans)
}
default:
//------------------------------------------------------------------
func (c *Control) handleXAPPSubscriptionDeleteRequest(params *xapp.RMRParams) {
xapp.Logger.Info("MSG from XAPP: %s", params.String())
+ c.UpdateCounter(cSubDelReqFromXapp)
subDelReqMsg, err := c.e2ap.UnpackSubscriptionDeleteRequest(params.Payload)
if err != nil {
return
}
- trans := c.tracker.NewXappTransaction(xapp.NewRmrEndpoint(params.Src), params.Xid, subDelReqMsg.RequestId.InstanceId, params.Meid)
+ trans := c.tracker.NewXappTransaction(xapp.NewRmrEndpoint(params.Src), params.Xid, subDelReqMsg.RequestId, params.Meid)
if trans == nil {
xapp.Logger.Error("XAPP-SubDelReq: %s", idstring(fmt.Errorf("transaction not created"), params))
return
// Whatever is received success, fail or timeout, send successful delete response
subDelRespMsg := &e2ap.E2APSubscriptionDeleteResponse{}
- subDelRespMsg.RequestId = subs.GetReqId().RequestId
+ subDelRespMsg.RequestId.Id = trans.RequestId.Id
+ subDelRespMsg.RequestId.InstanceId = subs.GetReqId().RequestId.InstanceId
subDelRespMsg.FunctionId = subs.SubReqMsg.FunctionId
trans.Mtype, trans.Payload, err = c.e2ap.PackSubscriptionDeleteResponse(subDelRespMsg)
if err == nil {
+ c.UpdateCounter(cSubDelRespToXapp)
c.rmrSendToXapp("", subs, trans)
}
subRfMsg, valid := subs.GetCachedResponse()
if subRfMsg == nil && valid == true {
-
- //
- // In case of failure
- // - make internal delete
- // - in case duplicate cause, retry (currently max 1 retry)
- //
- maxRetries := uint64(1)
- doRetry := true
- for retries := uint64(0); retries <= maxRetries && doRetry; retries++ {
- doRetry = false
-
- event := c.sendE2TSubscriptionRequest(subs, trans, parentTrans)
- switch themsg := event.(type) {
- case *e2ap.E2APSubscriptionResponse:
- subRfMsg, valid = subs.SetCachedResponse(event, true)
- subs.SubRespRcvd = true
- case *e2ap.E2APSubscriptionFailure:
- removeSubscriptionFromDb = true
- subRfMsg, valid = subs.SetCachedResponse(event, false)
- doRetry = true
- for _, item := range themsg.ActionNotAdmittedList.Items {
- if item.Cause.Content != e2ap.E2AP_CauseContent_Ric || (item.Cause.Value != e2ap.E2AP_CauseValue_Ric_duplicate_action && item.Cause.Value != e2ap.E2AP_CauseValue_Ric_duplicate_event) {
- doRetry = false
- break
- }
- }
- xapp.Logger.Info("SUBS-SubReq: internal delete and possible retry due event(%s) retry(%t,%d/%d) %s", typeofSubsMessage(event), doRetry, retries, maxRetries, idstring(nil, trans, subs, parentTrans))
- c.sendE2TSubscriptionDeleteRequest(subs, trans, parentTrans)
- case *SubmgrRestartTestEvent:
- // This simulates that no response has been received and after restart subscriptions are restored from db
- xapp.Logger.Debug("Test restart flag is active. Dropping this transaction to test restart case")
- return
- default:
- xapp.Logger.Info("SUBS-SubReq: internal delete due event(%s) %s", typeofSubsMessage(event), idstring(nil, trans, subs, parentTrans))
- removeSubscriptionFromDb = true
- subRfMsg, valid = subs.SetCachedResponse(nil, false)
- c.sendE2TSubscriptionDeleteRequest(subs, trans, parentTrans)
- }
+ event := c.sendE2TSubscriptionRequest(subs, trans, parentTrans)
+ switch event.(type) {
+ case *e2ap.E2APSubscriptionResponse:
+ subRfMsg, valid = subs.SetCachedResponse(event, true)
+ subs.SubRespRcvd = true
+ case *e2ap.E2APSubscriptionFailure:
+ removeSubscriptionFromDb = true
+ subRfMsg, valid = subs.SetCachedResponse(event, false)
+ xapp.Logger.Info("SUBS-SubReq: internal delete due failure event(%s) %s", typeofSubsMessage(event), idstring(nil, trans, subs, parentTrans))
+ c.sendE2TSubscriptionDeleteRequest(subs, trans, parentTrans)
+ case *SubmgrRestartTestEvent:
+ // This simulates that no response has been received and after restart subscriptions are restored from db
+ xapp.Logger.Debug("Test restart flag is active. Dropping this transaction to test restart case")
+ return
+ default:
+ xapp.Logger.Info("SUBS-SubReq: internal delete due default event(%s) %s", typeofSubsMessage(event), idstring(nil, trans, subs, parentTrans))
+ removeSubscriptionFromDb = true
+ subRfMsg, valid = subs.SetCachedResponse(nil, false)
+ c.sendE2TSubscriptionDeleteRequest(subs, trans, parentTrans)
}
xapp.Logger.Debug("SUBS-SubReq: Handling (e2t response %s) %s", typeofSubsMessage(subRfMsg), idstring(nil, trans, subs, parentTrans))
} else {
//Now RemoveFromSubscription in here to avoid race conditions (mostly concerns delete)
if valid == false {
- c.registry.RemoveFromSubscription(subs, parentTrans, 5*time.Second, c)
+ c.registry.RemoveFromSubscription(subs, parentTrans, waitRouteCleanup_ms, c)
}
c.UpdateSubscriptionInDB(subs, removeSubscriptionFromDb)
xapp.Logger.Debug("SUBS-SubDelReq: Handling %s", idstring(nil, trans, subs, parentTrans))
subs.mutex.Lock()
+
if subs.valid && subs.EpList.HasEndpoint(parentTrans.GetEndpoint()) && subs.EpList.Size() == 1 {
subs.valid = false
subs.mutex.Unlock()
//Now RemoveFromSubscription in here to avoid race conditions (mostly concerns delete)
// If parallel deletes ongoing both might pass earlier sendE2TSubscriptionDeleteRequest(...) if
// RemoveFromSubscription locates in caller side (now in handleXAPPSubscriptionDeleteRequest(...))
- c.registry.RemoveFromSubscription(subs, parentTrans, 5*time.Second, c)
+ c.registry.RemoveFromSubscription(subs, parentTrans, waitRouteCleanup_ms, c)
c.registry.UpdateSubscriptionToDb(subs, c)
parentTrans.SendEvent(nil, 0)
}
var err error
var event interface{} = nil
var timedOut bool = false
+ const ricRequestorId = 123
subReqMsg := subs.SubReqMsg
subReqMsg.RequestId = subs.GetReqId().RequestId
+ subReqMsg.RequestId.Id = ricRequestorId
trans.Mtype, trans.Payload, err = c.e2ap.PackSubscriptionRequest(subReqMsg)
if err != nil {
xapp.Logger.Error("SUBS-SubReq: %s", idstring(err, trans, subs, parentTrans))
// Write uncompleted subscrition in db. If no response for subscrition it need to be re-processed (deleted) after restart
c.WriteSubscriptionToDb(subs)
+
for retries := uint64(0); retries < e2tMaxSubReqTryCount; retries++ {
desc := fmt.Sprintf("(retry %d)", retries)
+ if retries == 0 {
+ c.UpdateCounter(cSubReqToE2)
+ } else {
+ c.UpdateCounter(cSubReReqToE2)
+ }
c.rmrSendToE2T(desc, subs, trans)
if subs.DoNotWaitSubResp == false {
event, timedOut = trans.WaitEvent(e2tSubReqTimeout)
if timedOut {
+ c.UpdateCounter(cSubReqTimerExpiry)
continue
}
} else {
var err error
var event interface{}
var timedOut bool
+ const ricRequestorId = 123
subDelReqMsg := &e2ap.E2APSubscriptionDeleteRequest{}
subDelReqMsg.RequestId = subs.GetReqId().RequestId
+ subDelReqMsg.RequestId.Id = ricRequestorId
subDelReqMsg.FunctionId = subs.SubReqMsg.FunctionId
trans.Mtype, trans.Payload, err = c.e2ap.PackSubscriptionDeleteRequest(subDelReqMsg)
if err != nil {
for retries := uint64(0); retries < e2tMaxSubDelReqTryCount; retries++ {
desc := fmt.Sprintf("(retry %d)", retries)
+ if retries == 0 {
+ c.UpdateCounter(cSubDelReqToE2)
+ } else {
+ c.UpdateCounter(cSubDelReReqToE2)
+ }
c.rmrSendToE2T(desc, subs, trans)
event, timedOut = trans.WaitEvent(e2tSubDelReqTime)
if timedOut {
+ c.UpdateCounter(cSubDelReqTimerExpiry)
continue
}
break
}
//-------------------------------------------------------------------
-// handle from E2T Subscription Reponse
+// handle from E2T Subscription Response
//-------------------------------------------------------------------
func (c *Control) handleE2TSubscriptionResponse(params *xapp.RMRParams) {
xapp.Logger.Info("MSG from E2T: %s", params.String())
+ c.UpdateCounter(cSubRespFromE2)
+
subRespMsg, err := c.e2ap.UnpackSubscriptionResponse(params.Payload)
if err != nil {
xapp.Logger.Error("MSG-SubResp %s", idstring(err, params))
//-------------------------------------------------------------------
func (c *Control) handleE2TSubscriptionFailure(params *xapp.RMRParams) {
xapp.Logger.Info("MSG from E2T: %s", params.String())
+ c.UpdateCounter(cSubFailFromE2)
subFailMsg, err := c.e2ap.UnpackSubscriptionFailure(params.Payload)
if err != nil {
xapp.Logger.Error("MSG-SubFail %s", idstring(err, params))
//-------------------------------------------------------------------
func (c *Control) handleE2TSubscriptionDeleteResponse(params *xapp.RMRParams) (err error) {
xapp.Logger.Info("MSG from E2T: %s", params.String())
+ c.UpdateCounter(cSubDelRespFromE2)
subDelRespMsg, err := c.e2ap.UnpackSubscriptionDeleteResponse(params.Payload)
if err != nil {
xapp.Logger.Error("MSG-SubDelResp: %s", idstring(err, params))
//-------------------------------------------------------------------
func (c *Control) handleE2TSubscriptionDeleteFailure(params *xapp.RMRParams) {
xapp.Logger.Info("MSG from E2T: %s", params.String())
+ c.UpdateCounter(cSubDelFailFromE2)
subDelFailMsg, err := c.e2ap.UnpackSubscriptionDeleteFailure(params.Payload)
if err != nil {
xapp.Logger.Error("MSG-SubDelFail: %s", idstring(err, params))
return "NIL"
}
switch v.(type) {
- case *e2ap.E2APSubscriptionRequest:
- return "SubReq"
+ //case *e2ap.E2APSubscriptionRequest:
+ // return "SubReq"
case *e2ap.E2APSubscriptionResponse:
return "SubResp"
case *e2ap.E2APSubscriptionFailure:
return "SubFail"
- case *e2ap.E2APSubscriptionDeleteRequest:
- return "SubDelReq"
+ //case *e2ap.E2APSubscriptionDeleteRequest:
+ // return "SubDelReq"
case *e2ap.E2APSubscriptionDeleteResponse:
return "SubDelResp"
case *e2ap.E2APSubscriptionDeleteFailure:
}
}
+//-------------------------------------------------------------------
+//
+//-------------------------------------------------------------------
+func (c *Control) WriteRESTSubscriptionToDb(restSubId string, restSubs *RESTSubscription) {
+ xapp.Logger.Debug("WriteRESTSubscriptionToDb() restSubId = %s", restSubId)
+ err := c.WriteRESTSubscriptionToSdl(restSubId, restSubs)
+ if err != nil {
+ xapp.Logger.Error("%v", err)
+ }
+}
+
+//-------------------------------------------------------------------
+//
+//-------------------------------------------------------------------
+func (c *Control) UpdateRESTSubscriptionInDB(restSubId string, restSubs *RESTSubscription, removeRestSubscriptionFromDb bool) {
+
+ if removeRestSubscriptionFromDb == true {
+ // Subscription was written in db already when subscription request was sent to BTS, except for merged request
+ c.RemoveRESTSubscriptionFromDb(restSubId)
+ } else {
+ c.WriteRESTSubscriptionToDb(restSubId, restSubs)
+ }
+}
+
+//-------------------------------------------------------------------
+//
+//-------------------------------------------------------------------
+func (c *Control) RemoveRESTSubscriptionFromDb(restSubId string) {
+ xapp.Logger.Debug("RemoveRESTSubscriptionFromDb() restSubId = %s", restSubId)
+ err := c.RemoveRESTSubscriptionFromSdl(restSubId)
+ if err != nil {
+ xapp.Logger.Error("%v", err)
+ }
+}
+
func (c *Control) SendSubscriptionDeleteReq(subs *Subscription) {
+ const ricRequestorId = 123
xapp.Logger.Debug("Sending subscription delete due to restart. subId = %v", subs.ReqId.InstanceId)
// Send delete for every endpoint in the subscription
subDelReqMsg := &e2ap.E2APSubscriptionDeleteRequest{}
subDelReqMsg.RequestId = subs.GetReqId().RequestId
+ subDelReqMsg.RequestId.Id = ricRequestorId
subDelReqMsg.FunctionId = subs.SubReqMsg.FunctionId
mType, payload, err := c.e2ap.PackSubscriptionDeleteRequest(subDelReqMsg)
if err != nil {
params.PayloadLen = len(payload.Buf)
params.Payload = payload.Buf
params.Mbuf = nil
-
- if params == nil {
- xapp.Logger.Error("SendSubscriptionDeleteReq() params == nil")
- return
- }
-
subs.DeleteFromDb = true
c.handleXAPPSubscriptionDeleteRequest(params)
}
}
+
+func (c *Control) PrintRESTSubscriptionRequest(p *models.SubscriptionParams) {
+
+ fmt.Println("CRESTSubscriptionRequest")
+
+ if p.SubscriptionID != "" {
+ fmt.Println(" SubscriptionID = ", p.SubscriptionID)
+ } else {
+ fmt.Println(" SubscriptionID = ''")
+ }
+
+ fmt.Printf(" ClientEndpoint.Host = %s\n", p.ClientEndpoint.Host)
+
+ if p.ClientEndpoint.HTTPPort != nil {
+ fmt.Printf(" ClientEndpoint.HTTPPort = %v\n", *p.ClientEndpoint.HTTPPort)
+ } else {
+ fmt.Println(" ClientEndpoint.HTTPPort = nil")
+ }
+
+ if p.ClientEndpoint.RMRPort != nil {
+ fmt.Printf(" ClientEndpoint.RMRPort = %v\n", *p.ClientEndpoint.RMRPort)
+ } else {
+ fmt.Println(" ClientEndpoint.RMRPort = nil")
+ }
+
+ if p.Meid != nil {
+ fmt.Printf(" Meid = %s\n", *p.Meid)
+ } else {
+ fmt.Println(" Meid = nil")
+ }
+
+ for _, subscriptionDetail := range p.SubscriptionDetails {
+ if p.RANFunctionID != nil {
+ fmt.Printf(" RANFunctionID = %v\n", *p.RANFunctionID)
+ } else {
+ fmt.Println(" RANFunctionID = nil")
+ }
+ fmt.Printf(" SubscriptionDetail.XappEventInstanceID = %v\n", *subscriptionDetail.XappEventInstanceID)
+ fmt.Printf(" SubscriptionDetail.EventTriggers = %v\n", subscriptionDetail.EventTriggers)
+
+ for _, actionToBeSetup := range subscriptionDetail.ActionToBeSetupList {
+ fmt.Printf(" SubscriptionDetail.ActionToBeSetup.ActionID = %v\n", *actionToBeSetup.ActionID)
+ fmt.Printf(" SubscriptionDetail.ActionToBeSetup.ActionType = %s\n", *actionToBeSetup.ActionType)
+ fmt.Printf(" SubscriptionDetail.ActionToBeSetup.ActionDefinition = %v\n", actionToBeSetup.ActionDefinition)
+
+ if actionToBeSetup.SubsequentAction != nil {
+ fmt.Printf(" SubscriptionDetail.ActionToBeSetup.SubsequentAction.SubsequentActionType = %s\n", *actionToBeSetup.SubsequentAction.SubsequentActionType)
+ fmt.Printf(" SubscriptionDetail.ActionToBeSetup..SubsequentAction.TimeToWait = %s\n", *actionToBeSetup.SubsequentAction.TimeToWait)
+ } else {
+ fmt.Println(" SubscriptionDetail.ActionToBeSetup.SubsequentAction = nil")
+ }
+ }
+ }
+}
Code Review / ric-plt / submgr.git / blobdiff